WO2006025262A1 - 導電性組成物及び導電性架橋体、コンデンサ及びその製造方法、並びに帯電防止塗料、帯電防止膜、帯電防止フィルム、光学フィルタ、及び光情報記録媒体 - Google Patents
導電性組成物及び導電性架橋体、コンデンサ及びその製造方法、並びに帯電防止塗料、帯電防止膜、帯電防止フィルム、光学フィルタ、及び光情報記録媒体 Download PDFInfo
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- WO2006025262A1 WO2006025262A1 PCT/JP2005/015482 JP2005015482W WO2006025262A1 WO 2006025262 A1 WO2006025262 A1 WO 2006025262A1 JP 2005015482 W JP2005015482 W JP 2005015482W WO 2006025262 A1 WO2006025262 A1 WO 2006025262A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3442—Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
- C08K5/3445—Five-membered rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/48—Conductive polymers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/54—Electrolytes
- H01G11/56—Solid electrolytes, e.g. gels; Additives therein
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/025—Solid electrolytes
- H01G9/028—Organic semiconducting electrolytes, e.g. TCNQ
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Definitions
- the present invention relates to a conductive composition containing a ⁇ -conjugated conductive polymer and a conductive crosslinked body.
- the present invention also relates to capacitors such as aluminum electrolytic capacitors, tantalum electrolytic capacitors, niobium electrolytic capacitors, and methods for manufacturing the same.
- the present invention relates to an antistatic coating for imparting antistatic properties to a film, an antistatic film having antistatic properties, an antistatic film used for packaging materials for foods and electronic parts, a liquid crystal display and a plasma. It relates to optical filters used on the front of displays and optical information recording media such as CDs and DVDs.
- a ⁇ -conjugated conductive polymer whose main chain is composed of a conjugated system containing ⁇ electrons is synthesized by an electrolytic polymerization method and a chemical oxidative polymerization method.
- a support such as a previously formed electrode material is immersed in a mixed solution of an electrolyte serving as a dopant and a precursor monomer that forms a ⁇ -conjugated conductive polymer, and ⁇ is formed on the support.
- a conjugated conductive polymer is formed into a film. Therefore, it is difficult to manufacture in large quantities.
- an oxidant and an oxidative polymerization catalyst are added to the precursor monomer of the ⁇ -conjugated conductive polymer, which is not subject to such restrictions, and a large amount of ⁇ -conjugated conductive in solution. Functional polymer can be produced.
- an oxidant is used in the presence of polystyrene sulfonic acid, which is a polymer acid having a molecular weight of 000 to 500,000, in the presence of a cation group.
- a method for producing an aqueous poly (3,4-dialkoxythiophene) solution by chemically oxidizing polymerization of alkoxythiophene has been proposed (see Patent Document 1).
- a method for producing an aqueous ⁇ -conjugated conductive polymer colloid solution by chemical oxidative polymerization in the presence of polyacrylic acid has been proposed (see Patent Document 2).
- an aqueous dispersion solution containing a ⁇ -conjugated conductive polymer can be easily produced.
- a large amount of a cation group-containing polymer acid is included in order to ensure the dispersibility of the ⁇ -conjugated conductive polymer in water. Therefore, the obtained conductive composition contains a large number of compounds that do not contribute to conductivity, and there is a problem that it is difficult to obtain high conductivity.
- binder resin when contained in the conductive composition, it can be obtained by a chemical oxidative polymerization method.
- the ⁇ -conjugated conductive polymer thus obtained has low compatibility with the binder resin.
- An example of using a ⁇ -conjugated conductive polymer is a capacitor.
- capacitors used in electronic devices are required to reduce the impedance in the high frequency region.
- capacitors that use an oxide film of valve metal such as aluminum, tantalum, or niobium that meets this requirement as a dielectric and a ⁇ -conjugated conductive polymer on the surface have been used. ing.
- the capacitor has a structure in which an anode having a porous valve metal force, a dielectric layer formed by oxidizing the surface of the anode, a solid electrolyte layer, and a carbon layer formed on the dielectric layer. And a cathode having a silver layer laminated thereon are common.
- the solid electrolyte layer of the capacitor is a layer that also has a ⁇ -conjugated conductive polymer force such as pyrrole or thiophene, penetrates into the porous body, and comes into contact with a larger area of the dielectric layer. In addition to cutting out the capacitance, it plays a role in preventing leakage due to leakage current by repairing the defect in the dielectric layer.
- Patent Document 4 As a method for forming a ⁇ -conjugated conductive polymer, an electrolytic polymerization method (see Patent Document 4) and a chemical oxidation polymerization method (see Patent Document 5) are widely known.
- the polymerization time is long, and it is necessary to repeat the polymerization in order to ensure the thickness, so that the production efficiency of the capacitor is low and the conductivity is also low.
- Patent Document 6 water-soluble polyarine is prepared by polymerizing arlin in the presence of a polymer acid having a sulfo group, a carboxy group, etc., and the polyarin aqueous solution is placed on the dielectric layer. A method of applying and drying is described. This manufacturing method is simple.
- a ⁇ -conjugated conductive polymer is used as an organic material having electronic conduction as a conduction mechanism.
- the resin film is an insulator as it is, it is easily charged with static electricity due to electrification or friction. Moreover, the static electricity accumulates in a way that escapes to the outside, causing various problems.
- the optical filter and the optical information recording medium are required to have a surface having high hardness and high transparency, and to have antistatic properties in order to prevent dust from adhering due to static electricity.
- the antistatic property is required to have a stable resistance value (that is, a stable antistatic property) in the region where the surface resistance is 10 6 to 10 1 (> ⁇ ).
- a stable resistance value that is, a stable antistatic property
- an antistatic film having high antistatic properties and high hardness is provided on the surface of the optical filter or optical information recording medium.
- metal oxides such as ITO (Indium Tin Oxide) are transparent and use electronic conduction as a conduction mechanism, which is suitable in that respect, but a sputtering device or the like was used for the film formation.
- the process was unavoidable and not only the process was complicated, but also the manufacturing cost was high.
- the coating film might be severely cracked and no conductivity was exhibited.
- peeling may occur at the interface between them and the transparency may be lowered.
- ⁇ -conjugated conductive polymers are known as an organic material having electronic conduction as a conductive mechanism.
- ⁇ -conjugated conductive polymers generally have insoluble and infusible properties and are polymerized. It was difficult to apply on the base film later. Therefore, it has been attempted to apply and dry on a base film using a mixture obtained by polymerizing a phosphorus in the presence of a polymer acid having a sulfo group to form a water-soluble poly-aline. (For example, see Patent Document 8).
- an antistatic film can be formed by direct polymerization on a substrate, but in that case, the antistatic film has low conductivity and is water-soluble. As a result, the adhesion to the base material made of resin is low, and the manufacturing process becomes complicated.
- Patent Document 1 Japanese Patent No. 2636968
- Patent Document 2 JP-A-7-165892
- Patent Document 3 Japanese Patent Laid-Open No. 2003-37024
- Patent Document 4 JP-A 63-158829
- Patent Document 5 Japanese Unexamined Patent Publication No. 63-173313
- Patent Document 6 JP-A-7-105718
- Patent Document 7 JP-A-11 74157
- Patent Document 8 Japanese Patent Laid-Open No. 1-254764
- Non-Patent Document 1 “Chemical Antistatic Agents Recent Market Trends (above)” issued by CMC, Vol. 16, No. 15, 1987, p. 24-36
- an object of the present invention is to provide a conductive composition and a conductive crosslinked body having excellent conductivity. Another object of the present invention is to provide a capacitor having excellent conductivity and low impedance of the solid electrolyte layer of the cathode, and a method for easily producing such a capacitor. Furthermore, the present invention provides an antistatic coating material that can be formed by coating an antistatic film that is highly conductive, flexible, and highly adhesive to the base material, and has high electrical conductivity, flexibility, and high adhesiveness to the substrate. It is an object of the present invention to provide an antistatic film that can be produced by a simple production method, an antistatic film excellent in antistatic properties, an optical filter, and an optical information recording medium.
- the conductive composition of the present invention contains a ⁇ -conjugated conductive polymer, a dopant, and a nitrogen-containing aromatic cyclic compound.
- the dopant is preferably an organic sulfonic acid.
- the organic sulfonic acid is preferably a sulfo group-containing solubilized polymer.
- the nitrogen-containing aromatic cyclic compound is a nitrogen-containing aromatic cyclic compound cation in which a substituent is introduced into the nitrogen atom to form a cation. Even so.
- the nitrogen-containing aromatic cyclic compound is preferably a substituted or unsubstituted imidazole.
- the nitrogen-containing aromatic cyclic compound is a substituted or unsubstituted pyridine. It is preferable.
- the capacitor of the present invention includes an anode having a porous body strength of a valve metal, a dielectric layer formed by oxidizing the surface of the anode, and disposed on the dielectric layer.
- a capacitor having a cathode provided with a solid electrolyte layer containing a high molecule includes an electron donating compound layer containing an electron donating element disposed between the dielectric layer and the cathode.
- the electron-donating element layer of the electron-donating compound layer is at least one selected from nitrogen, oxygen, sulfur, and phosphorus.
- the electron donating compound in the electron donating compound layer is preferably at least one selected from pyrroles, thiophenes, and francs.
- the electron donating compound in the electron donating compound layer is preferably an amine.
- the method for producing a capacitor according to the present invention includes a step of forming a dielectric layer by oxidizing the surface of an anode, which is a porous body of a valve metal, and an electron donating element containing an electron donating element on the surface of the dielectric layer.
- the method for producing a capacitor of the present invention includes a step of forming the solid electrolyte layer, and a step of applying a conductive polymer solution containing a ⁇ -conjugated conductive polymer to the surface of the electron donating compound layer. Is preferred ⁇ .
- the capacitor of the present invention includes an anode having a porous body strength of a valve metal, a dielectric layer formed by oxidizing the surface of the anode, and a cathode formed on the dielectric layer.
- the cathode includes a solid electrolyte layer containing a ⁇ -conjugated conductive polymer, a dopant, and a nitrogen-containing aromatic cyclic compound.
- the cathode preferably further contains an electrolytic solution.
- the dopant is preferably a solubilized polymer having a cation group. .
- the nitrogen-containing aromatic cyclic compound is substituted.
- it is an unsubstituted imidazole, or a substituted or unsubstituted pyridine.
- the nitrogen-containing aromatic cyclic compound in the solid electrolyte layer of the cathode is crosslinked.
- the method for producing a capacitor of the present invention includes a ⁇ -conjugated system on the surface of a dielectric layer in a capacitor intermediate having a porous metal anode and a dielectric layer formed by oxidizing the surface of the anode. It has the process of apply
- the nitrogen-containing aromatic cyclic compound in the conductive polymer solution preferably has a crosslinkable functional group.
- the conductive polymer solution further contains a crosslinkable compound.
- the nitrogen-containing aromatic cyclic compound has a crosslinkable functional group
- the antistatic coating material of the present invention includes a ⁇ -conjugated conductive polymer, a solubilized polymer having an anion group and a ⁇ or an electron withdrawing group, a nitrogen-containing aromatic cyclic compound, and a solvent. It is characterized by that.
- the antistatic paint of the present invention preferably further contains a dopant.
- the antistatic paint of the present invention preferably further contains a binder resin.
- the binder resin is polyurethane.
- polyester acrylic resin, polyamide, polyimide, epoxy resin, and polyimide silicone are preferable.
- the antistatic film of the present invention is characterized by being formed by applying the above-described antistatic coating.
- the antistatic film of the present invention includes a base film and the above-described antistatic film formed on at least one side of the base film.
- the optical filter of the present invention has the above-described antistatic film.
- the optical information recording medium of the present invention has the above-described antistatic film. The invention's effect
- the conductive composition of the present invention has high conductivity (electrical conductivity) and excellent heat resistance and moisture resistance.
- the dopant is an organic sulfonic acid, particularly a sulfo group-containing solubilizing polymer, the dispersibility and compatibility with the binder resin can be increased.
- the nitrogen-containing aromatic cyclic compound is a nitrogen-containing aromatic cyclic compound cation in which a substituent is introduced into the nitrogen atom to form a cation, the dope is further increased. It becomes easier to bind or coordinate with the punt.
- the nitrogen-containing aromatic cyclic compound is a substituted or unsubstituted imidazole or a substituted or unsubstituted pyridine, the solvent solubility is excellent.
- the nitrogen-containing aromatic cyclic compound preferably has a crosslinkable functional group.
- the conductive composition of the present invention preferably further contains a crosslinkable compound.
- the conductive crosslinked body of the present invention is formed by subjecting a conductive composition containing a nitrogen-containing aromatic cyclic compound having a crosslinkable functional group to heat treatment and Z or ultraviolet irradiation treatment. .
- the capacitor of the present invention has a low equivalent series resistance because of the high conductivity of the cathode.
- the capacitance drawing rate is increased.
- the dopant is a soluble polymer having a cation
- the solvent solubility of the ⁇ -conjugated conductive polymer can be increased.
- the nitrogen-containing aromatic cyclic compound is a substituted or unsubstituted imidazole or a substituted or unsubstituted pyridine, the solvent solubility is excellent.
- the antistatic coating material of the present invention can be formed by coating an antistatic film having high conductivity, flexibility, and high adhesion to a substrate.
- an antistatic coating material can exhibit sufficient antistatic properties when used in a small amount, an antistatic film can be produced at a low cost.
- the antistatic coating material of the present invention further contains a dopant, the conductivity of the antistatic film can be further increased, and the heat resistance is also improved.
- binder resin is included, adhesiveness with a base material can be made higher.
- the binder resin is at least one selected from the group force that can be polyurethane, polyester, acrylic resin, polyamide, polyimide, epoxy resin, and polyimide silicone, it is mixed with the essential components of the antistatic paint. Cheap.
- the antistatic film of the present invention can be produced by a simple production method such as coating with high conductivity, flexibility, and adhesion to a substrate.
- the antistatic film, the optical filter, and the optical information recording medium of the present invention are excellent in antistatic properties, and generation of static electricity is prevented.
- FIG. 1 is a cross-sectional view showing an embodiment of a capacitor according to the present invention.
- FIG. 2 is a cross-sectional view showing an embodiment of an optical filter of the present invention.
- FIG. 3 is a cross-sectional view showing an embodiment of the optical information recording medium of the present invention.
- the ⁇ -conjugated conductive polymer of the present invention can be used as long as it is an organic polymer whose main chain is composed of a ⁇ -conjugated system.
- examples thereof include polypyrroles, polythiophenes, polyacetylenes, polyphenylenes, polyphenylene vinylenes, polyarenes, polyacenes, polythiophene vinylenes, and copolymers thereof. From the viewpoint of stability in air, polypyrroles, polythiophenes and polyarines are preferred.
- ⁇ -conjugated conductive polymer Even if the ⁇ -conjugated conductive polymer remains unsubstituted, sufficient conductivity and strength to obtain compatibility with binder resin can be obtained by using alkyl groups, force groups, and alkoxy groups to further improve conductivity and compatibility.
- a functional group such as a sulfo group, an alkoxy group, or a hydroxy group into the ⁇ -conjugated conductive polymer.
- ⁇ -conjugated conductive polymer examples include polypyrrole, poly ( ⁇ ⁇ ⁇ -methylpyrrole), poly (3-methylpyrrole), poly (3-ethyrylpyrrole), and poly (3- ⁇ -propylene).
- a (co) polymer having one or two selected forces is preferably used from the viewpoint of resistance and reactivity.
- polypyrrole and poly (3,4-ethylenedioxythiophene) are more preferable because they have higher conductivity and improved heat resistance.
- those having an alkyl group having 6 or more carbon atoms as a substituent can impart solvent solubility without using a later-described soluble polymer containing a cation group.
- Preferred ⁇ a ⁇ -conjugated conductive polymer having a ⁇ -on group in the molecule as a substituent is preferable because it itself dissolves in water.
- the ⁇ -conjugated conductive polymer can be easily obtained by chemical oxidative polymerization of a precursor monomer of the ⁇ -conjugated conductive polymer in a solvent in the presence of an oxidizing agent or an oxidation polymerization catalyst. Can do.
- pyrroles and derivatives thereof, thiophenes and derivatives thereof, anilines and derivatives thereof, and the like can be used as precursor monomers for the ⁇ -conjugated conductive polymer.
- the oxidizing agent is not particularly limited as long as it can oxidize the precursor monomer to obtain a ⁇ -conjugated conductive polymer.
- peroxodisulfate ammonium peroxodisulfate sodium, peroxodisulfate potassium.
- Peroxodisulfate such as salt; transition metal compounds such as ferric sulfate, ferric sulfate, ferric nitrate and cupric chloride; metal halide compounds such as boron trifluoride and aluminum chloride; acid Metal acids such as silver and acid cesium; Peracids such as hydrogen peroxide and ozone; Organic peracids such as peroxybenzoyl; Oxygen and the like I can get lost.
- the solvent used in the chemical acid-polymerization is not particularly limited, and is a solvent capable of dissolving or dispersing the precursor monomer, and can maintain the oxidizing power of the oxidizing agent and the oxidation catalyst. Anything is acceptable.
- polar solvents such as water, N-methyl-2-pyrrolidone, N, N-dimethylformamide, N, N-dimethylacetamide, dimethyl sulfoxide, hexamethylene phosphortriamide, acetonitrile, benzo-tolyl; cresol, phenol Phenols such as methanol and xylenol; alcohols such as methanol, ethanol, propanol and butanol; ketones such as acetone and methyl ethyl ketone; hydrocarbons such as hexane, benzene and toluene; carboxyls such as formic acid and acetic acid Acid; carbonate compounds such as ethylene carbonate and propylene carbonate; ether compounds such as dioxane and jetyl ether; ethylene glycol dialkyl ether, propylene glycol dialkyl ether, polyethylene glycol dialkyl ether, polyethylene Chain ethers such as propylene glycol
- the dopant may be used. It may be an acceptor type.
- donor dopants include alkali metals such as sodium and potassium; alkaline earth metals such as calcium and magnesium; tetramethyl ammonium, tetraethynoleum molybdenum, tetrapropyl ammonium, Quaternary amine compounds such as tetraptyl ammonium, methyltriethyl ammonium, dimethyl jetyl ammonium and the like can be mentioned.
- acceptor dopants include halogen compounds, Lewis acids, proton acids, An organic cyano compound, an organometallic compound, etc. can be used.
- halogen compound includes, for example, chlorine (C1), bromine (Br), iodine (I), salt
- Iodine (IC1) iodine bromide (IBr), iodine fluoride (IF) and the like.
- Lewis acids examples include PF, AsF, SbF, BF, BC1, BBr, SO and the like.
- organic cyano compound a compound containing two or more cyano groups in a conjugated bond can be used.
- organic cyano compound a compound containing two or more cyano groups in a conjugated bond.
- tetracyanethylene, tetracyanethylene oxide, tetracyanobenzene, dichlorodisianobenzoquinone (DDQ), tetracyanoquinodimethane, tetracyanazanaphthalene and the like can be mentioned.
- Examples of the protonic acid include inorganic acids and organic acids. Furthermore, examples of the inorganic acid include hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, borohydrofluoric acid, hydrofluoric acid, perchloric acid, and the like. Examples of organic acids include organic carboxylic acids, phenols, and organic sulfonic acids.
- organic carboxylic acid aliphatic, aromatic, cycloaliphatic and the like containing one or more carboxy groups
- organic carboxylic acid aliphatic, aromatic, cycloaliphatic and the like containing one or more carboxy groups
- examples include acetic acid and triphenyl acetic acid.
- organic sulfonic acid one containing one or two or more sulfo groups in aliphatic, aromatic, cycloaliphatic and the like can be used.
- examples of those containing one sulfo group include methanesulfonic acid, ethanesulfonic acid, 1-propanesulfonic acid, 1-butanesulfonic acid, 1-hexanesulfonic acid, 1-heptanesulfonic acid, and 1-octanesulfonic acid.
- Examples of those containing two or more sulfo groups include ethanedisulfonic acid, butanedisulfonic acid, pentanedisulfonic acid, decanedisulfonic acid, m-benzenedisulfonic acid, o-benzenedisulfonic acid, p benzenedisulfonic acid, and toluenedisulfonic acid.
- Xylendisulfonic acid black benzene disulfonic acid, fluorobenzene disulfonic acid, arylene-2,4 disulfonic acid, arrin-2,5-disulfonic acid, dimethylbenzenedisulfonic acid, jetylbenzenedisulfone Acid, dibutylbenzene sulfonic acid, naphthalene disulfonic acid, methyl naphthalene disulfonic acid, ethyl naphthalene disulfonic acid, dodecyl naphthalene disulfonic acid, pentadecyl naphthalene disulfonic acid, butyl naphthalene disulfonic acid, 2 amino-1, 4 benzenedisulfonic acid 1-amino-3, 8-naphthalene Disulfonic acid, 3-amino-1,5 naphthalenedisulfonic acid, 8-amino-1- 1-naphtho
- a soluble polymer having an anion group (hereinafter referred to as an anion group-containing soluble polymer) is preferable.
- the ion-containing soluble polymer does not only play a role as a dopant, but also has a function to solubilize the ⁇ -conjugated conductive polymer well in a solvent, and enables paints. Particularly preferably used.
- Examples of the soluble ionic polymer containing a cation group include substituted or unsubstituted polyalkylene, substituted or unsubstituted polyalkylene, substituted or unsubstituted polyimide, substituted or unsubstituted polyamide, Examples thereof include a substituted or unsubstituted polyester, which is a polymer having only a structural unit having a terion group, and a polymer having a structural unit having a teron group and a structural unit having no arion group.
- Polyalkylene is a polymer composed of repeating main chain force methylene.
- polyalkenes examples include polymers composed of structural units containing one vinyl group in the main chain. Among them, there is an interaction between an unsaturated bond and a ⁇ -conjugated conductive polymer. Alternatively, substituted or unsubstituted butylene is preferred because it can be easily synthesized using unsubstituted butadiene as a starting material.
- Polyimides include pyromellitic dianhydride, biphenyltetracarboxylic dianhydride, benzophenone tetracarboxylic dianhydride, 2, 2, 3, 3 tetracarboxydiphenyl ether dianhydride, 2 , 2- [4,4'-di (dicarboxyphenoxy) phenol] propanic anhydride, etc., oxydialin, para-phenylenediamine, metaphenylenediamine, benzophenonediamine, etc.
- Examples of the polyamide include polyamide 6, polyamide 6, 6, polyamide 6, 10, and the like.
- Examples of the polyester include polyethylene terephthalate and polybutylene terephthalate.
- examples of the substituent include an alkyl group, a hydroxy group, a carboxy group, a cyan group, a phenol group, a phenol group, an ester group, an alkoxy group, and a carbonyl group.
- Alkyl groups can increase solubility and dispersibility in polar or non-polar solvents, compatibility and dispersibility in resin, etc., and hydroxy groups can form hydrogen bonds with other hydrogen atoms, etc. Can be easily formed, and the solubility in an organic solvent, the compatibility with a resin, the dispersibility, and the adhesiveness can be increased.
- the cyan group and hydroxyphenol group can increase the compatibility and solubility in polar resins, and can also increase the heat resistance.
- an alkyl group, a hydroxy group, an ester group, and a cyan group are preferable.
- alkyl group examples include alkyl groups such as methyl, ethyl, propyl, butyl, isobutyl, t-butyl, pentyl, hexyl, octyl, decyl, and dodecyl, and cyclopropyl such as cyclopropyl, cyclopentyl, and cyclohexyl.
- alkyl group is mentioned. In view of solubility in an organic solvent, dispersibility in a resin, steric hindrance, etc., an alkyl group having 1 to 12 carbon atoms is more preferable.
- the hydroxy group includes a hydroxy group directly bonded to the main chain of the soluble ⁇ polymer containing a ⁇ ⁇ -on group, and a 1 to 7 carbon atom bonded to the main chain of the soluble ⁇ ⁇ polymer containing a ⁇ -on group.
- Examples thereof include a hydroxy group bonded to the terminal of the alkyl group, and a hydroxy group bonded to the terminal of the alkenyl group having 2 to 7 carbon atoms bonded to the main chain of the solubilized polymer containing a-on group.
- a hydroxy group bonded to the terminal of an alkyl group having 1 to 6 carbon atoms bonded to the main chain is more preferable from the viewpoint of compatibility with rosin and solubility in an organic solvent.
- the ester group may be an alkyl ester group, an aromatic ester group, an alkyl ester group that is directly bonded to the main chain of the ionic group-containing soluble polymer, or an alkyl ester group having another functional group interposed therebetween, or Aromatic ester groups can be mentioned.
- cyano group examples include a cyano group directly bonded to the main chain of the cation-containing soluble polymer, and an alkyl group having 1 to 7 carbon atoms bonded to the main chain of the cation-containing soluble polymer. 2-7 carbon atoms bonded to the main chain of the solubilized polymer containing cyano group and cation group bonded to the terminal of the group And a cyano group bonded to the terminal of the alkenyl group.
- the ⁇ ⁇ -on group in the ⁇ ⁇ -group-containing soluble polymer may be any functional group capable of undergoing chemical oxidation doping to the ⁇ -conjugated conductive polymer.
- a monosubstituted sulfate group, a monosubstituted phosphate group, a carboxyl group, a sulfo group and the like are preferable.
- a sulfo group is more preferable from the viewpoint of the doping effect of the functional group on the ⁇ - conjugated conductive polymer. That is, among the solubilized polymers containing a cation group, a sulfo group-containing soluble polymer is more preferred.
- the sulfo group-containing solubilized polymer is one in which a sulfo group is introduced into the side chain of the polymer.
- the main chain of the soluble polymer include a polyalkylene composed of repeating methylene, and a polyalkylene composed of a structural unit containing one vinyl group in the main chain.
- the introduction of the sulfo group include a direct sulfonation / sulfation method using fuming sulfuric acid, a sulfonation method using a sulfonating agent, a sulfonation method using sulfo group transfer, and a method of polymerizing a sulfo group-containing polymerizable monomer.
- any sulfo group-containing polymerizable monomer may be used as long as the sulfo group is substituted at an appropriate site of the polymerizable monomer.
- a substituted or unsubstituted ethylene sulfonic acid compound, a substituted or unsubstituted styrene sulfonic acid compound, a substituted heterocyclic sulfonic acid compound, a substituted acrylamide sulfonic acid compound, a substituted or unsubstituted cyclovinylene sulfonic acid compound examples thereof include substituted or unsubstituted butadiene sulfonic acid compounds and bull aromatic sulfonic acid compounds.
- substituted or unsubstituted ethylene sulfonic acid compound examples include butyl sulfonic acid, butyl sulfonate, allyl sulfonic acid, allyl sulfonate, methallyl sulfonic acid, methallyl sulfonate, sulfoethyl methacrylate.
- Specific examples of the substituted or unsubstituted styrene sulfonic acid compound include styrene sulfonic acid, styrene sulphonate, a-methino styrene sulphonate, a-methino styrene sulfonate, and the like.
- substituted acrylamide sulfonic acid compounds include acrylamide-butyl sulfonic acid, acrylamide-tert-butyl sulfonate, 2-acrylamide-2-methylpropane sulfonic acid, 2-acrylamide 2-methylpropane sulfonate, and the like. It is.
- substituted or unsubstituted cyclovinylene sulfonic acid compound include cyclobutene-3-sulfonic acid, cyclobutene-3-sulfonate, and the like.
- substituted or unsubstituted butadiene sulfonic acid compounds include isoprene sulfonic acid, isoprene sulfonate, 1,3 butadiene 1-sulfonic acid, 1,3 butadiene-1-sulfonate, 1- Examples thereof include methyl 1,3 butadiene-2-sulfonic acid, 1-methyl-1,3 butadiene 3-sulfonate, 1-methyl-1,3 butadiene-4 sulfonic acid, 1-methyl-1,3 butadiene-4-sulfonate.
- polymerizable monomers that do not contain a sulfo group include substituted or unsubstituted ethylene compounds, substituted acrylic acid compounds, substituted or unsubstituted styrene, substituted or unsubstituted vinylamine, and unsaturated groups.
- heterocyclic compounds substituted or unsubstituted acrylamide compounds, substituted or unsubstituted cyclovinylene compounds, substituted or unsubstituted butadiene compounds, substituted or unsubstituted vinyl aromatic compounds, substituted Alternatively, an unsubstituted dibulubenzene compound, a substituted buphenol compound, an arbitrary substituted silylstyrene, an arbitrary substituted phenol compound, and the like can be given.
- the oxidizing agent, the oxidation catalyst, and the solvent used in the polymerization of the cation group-containing polymerizable monomer are the same as those used in the polymerization of the precursor monomer that forms the ⁇ -conjugated conductive polymer. is there.
- solubilized polymer containing a cation group examples include polybutyl sulfonic acid, polystyrene sulfonic acid, polyallyl sulfonic acid, polyacrylic acid ethyl sulfonic acid, polyacrylic acid butyl sulfonic acid, polyacrylic sulfone. Acid, polymethallylsulfonic acid, poly-2-acrylamido-2-methylpropanesulfonic acid, polyisoprenesulfonic acid, polystyrene strength rubonic acid, poly-2-acrylamide-2-methylpropanecarboxylic acid, polyisoprene strength Examples include rubonic acid and polyacrylic acid. These homopolymers may be used, or two or more types of copolymers may be used.
- the content of the dopant in the conductive composition is preferably 0.1 to 10 moles relative to 1 mole of the ⁇ -conjugated conductive polymer, and more preferably in the range of 0.5 to 7 moles. preferable. If the dopant content is less than 0.1 mol, the doping effect of the dopant on the ⁇ -conjugated conductive polymer tends to be weak, and the conductivity may be insufficient. On the other hand, when the dopant content exceeds 10 mol, the content of the ⁇ -conjugated conductive polymer in the conductive composition decreases, and it is difficult to obtain sufficient conductivity.
- the solubilized polymer in the antistatic coating is a polymer having an anion group and a cage or an electron-withdrawing group in the molecule, and solubilizes the ⁇ -conjugated conductive polymer in a solvent. is there.
- the soluble polymer exhibits a function as a dopant.
- the soluble polymer having an anion group in the molecule is as described above.
- the soluble polymer having an electron withdrawing group in the molecule (hereinafter referred to as an electron withdrawing group-containing solubilized polymer) is selected from a cyano group, a nitro group, a formyl group, a carbol group, and an acetyl group. Examples thereof include a polymer having a compound having at least one compound as a structural unit.
- the electron-withdrawing group-containing solubilized polymer include polyacrylonitrile, polymethacrylo-tolyl, acrylonitrile-styrene styrene resin, acrylonitrile-butadiene resin, atta-tolyl-butadiene-styrene resin, Examples thereof include succinylated succinic acid of hydroxyl group or amino group-containing coconut resin (for example, cyanoethyl cellulose), polybutyl pyrrolidone, alkylated poly butyl pyrrolidone, nitrocellulose and the like.
- acrylonitrile and metatalonitrile having a compound having a cyano group as a structural unit are preferable. Since the cyan group has a high polarity, compatibility and dispersibility with the binder resin component can be further improved.
- the solubilized polymer may be a copolymer, for example, a copolymer containing two or more of the above-described solubilized polymer containing an anion group and an electron-withdrawing group-containing soluble polymer, or It may be a copolymer containing units having different types of anion groups or a copolymer containing units having different types of electron-withdrawing groups.
- beluie compounds may be copolymerized with the soluble polymer.
- the two Louis compounds include: halogen-vinyl-Louis compounds, aromatic vinyl and Z or derivatives thereof, heterocyclic vinyl compounds and Z or derivatives thereof, aliphatic vinyl compounds and Z or derivatives thereof, acrylic compounds. Products, jeny compounds, maleimido compounds.
- bur compounds include polymerizable bur compounds such as styrene, butadiene, acrylic acid, methacrylic acid, hydroxyacrylic acid, hydroxymethacrylic acid, acrylic acid esters, methacrylic acid esters, and p-butyltoluene. .
- polymerizable bur compounds such as styrene, butadiene, acrylic acid, methacrylic acid, hydroxyacrylic acid, hydroxymethacrylic acid, acrylic acid esters, methacrylic acid esters, and p-butyltoluene.
- the solubilized polymer may contain a synthetic rubber component for improving impact resistance, an anti-aging agent, an antioxidant, and an ultraviolet absorber for improving environmental resistance.
- amine-based acid antioxidants may interfere with the action of the oxidizing agent used when polymerizing the above conductive polymer, phenol-based antioxidants should be used. Or measures such as mixing after polymerization are necessary.
- a nitrogen-containing aromatic cyclic compound has an aromatic ring containing at least one nitrogen atom, and the nitrogen atom in the aromatic ring is conjugated with other atoms in the aromatic ring. It has a relationship. In order to have a conjugated relationship, the nitrogen atom and other atoms form an unsaturated bond. Alternatively, even if the nitrogen atom does not directly form an unsaturated bond with another atom, it may be adjacent to the other atom that forms the unsaturated bond. This is because an unshared electron pair existing on a nitrogen atom can form a pseudo-shared relationship with an unsaturated bond formed by other atoms.
- a nitrogen atom having a conjugated relationship with other atoms forms an unsaturated bond and has both nitrogen atoms adjacent to the other atoms. This is preferred.
- nitrogen-containing aromatic cyclic compounds examples include pyridines and derivatives thereof containing one nitrogen atom, imidazoles and derivatives thereof containing two nitrogen atoms, pyrimidines and derivatives thereof. , Pyrazines and derivatives thereof, triazines containing three nitrogen atoms, and derivatives thereof. Viewpoint of solvent solubility, etc. Preference is also given to pyridines and derivatives thereof, imidazoles and derivatives thereof, pyrimidines and derivatives thereof.
- the nitrogen-containing aromatic cyclic compound has a substituent such as an alkyl group, a hydroxy group, a carboxy group, a cyano group, a phenol group, a phenol group, an ester group, an alkoxy group, a carbo group in the ring. It may be introduced or may not be introduced.
- the ring may be polycyclic.
- examples of the alkyl group include methyl, ethyl, propyl, butyl, isobutyl, t-butyl, pentyl, hexyl, octyl, decyl, dodecyl, and other alkyl groups, cyclopropyl, cyclopentyl, and cyclohexyl. And the like, and the like.
- alkyl groups having 1 to 12 carbon atoms are preferred! /.
- hydroxy group examples include hydroxy, methylene hydroxy, ethylene hydroxy, trimethylene hydroxy, tetramethylene hydroxy, pentamethylene hydroxy, hexamethylene hydroxy, heptamethylene hydroxy, propylene hydroxy, butylene hydroxy, ethynolemethyl hydroxy, Examples thereof include alkene-hydroxy groups such as be- ylene hydroxy, butene-hydroxy and pentene-hydroxy.
- Examples of the carboxy group include carboxy, methylene carboxy, ethylene carboxy, trimethylene carboxy, propylene carboxy, tetramethylene carboxy, pentamethylene carboxy, hexamethylene carboxy, heptamethyl carboxy, ethylmethylene force carboxy, phenylethylene carboxy and other alkylene carboxy,
- Examples of the cyan group include alkylenes such as cyan-containing methylene oxide-containing ethylene cyanide-containing trimethylene cyanide, tetramethylene cyano, pentamethylene cyano, hexamethylene cyano, heptamethylene cyano, propylene cyano-butylene cyano, and ethyl methylene cyano.
- alkylenes such as cyan-containing methylene oxide-containing ethylene cyanide-containing trimethylene cyanide, tetramethylene cyano, pentamethylene cyano, hexamethylene cyano, heptamethylene cyano, propylene cyano-butylene cyano, and ethyl methylene cyano.
- Examples of the alkylene group include a cyano group and a buterene-containing butterene-containing pente-lensiano group.
- Phenolic groups include phenol, methyl phenol, ethyl phenol, butyl phenol. Examples thereof include alkylphenol groups such as enol, alkylene phenol groups such as methylene phenol, ethylene phenol, trimethylene phenol, tetramethylene phenol, pentamethylene phenol, hexamethylene phenol, and the like.
- phenyl group examples include alkyl, phenyl, methyl, butyl, octyl, dimethyl and other alkyl groups such as methylene, ethylene, trimethylene and tetramethylene.
- Alkylene phenyl groups such as phenyl, pentamethylene phenyl, hexamethylene phenyl, heptamethylene vinyl, etc., and alkanes such as probel, butene-lene, pentylene-phenol, etc. -Rentation.
- alkoxy group examples include methoxy, ethoxy, butoxy, phenoxy and the like.
- pyridines and derivatives thereof include pyridine, 2-methylpyridine, 3-methylpyridine, 4-methylpyridine, 4-ethylpyridine, 2,4-dimethylpyridine, 2, 4, 6-trimethylpyridine, 3 cyano 5 —Methylpyridine, 2 Pyridinecarboxylic acid, 6-Methylenole 2 Pyridine power, Norevonic acid, 2, 6 Pyridine-dicanolevonic acid, 4 Pyridine power, Ruboxyaldehyde, 4 Aminopyridine, 2, 3 Diaminopyridine, 2, 6 Diaminopyridin, 2,6-diamino-4-methylpyridine, 4-hydroxypyridine, 2,6-dihydroxypyridine, 6-hydroxynicotinic acid methyl, 2-hydroxy-5-pyridinemethanol, 6-hydroxynicotinate ethyl, 4-pyridinemethanol, 4-pyridineethanol, 2 —Hue Ninorepyridine, 3-Methinorequinoline, 3 Norequinoline, quinolino
- imidazoles and derivatives thereof include imidazole, 2-methylimidazole, 2-propylimidazole, 2-undecylimidazole, 2-feruylimidazole, N-methylimidazole, 1 (2 -Hydroxyethyl) imidazole, 2-ethyl 4-methylimidazole, 1,2 dimethylimidazole, 1 benzil 2 methyl Imidazole, 1 Benzylru 2 -Phenolimidazole, 1-Cyanoethyl-2-Methylimidazole, 1-Cyanoethyl-2 Ethyl-4-Methylimidazole, 2 Phenyl-4,5 Dihydroxymethylimidazole, 1 Acetylimidazole, 4 , 5 imidazole dicarboxylic acid, 4, 5-dimethylimidazole dicarboxylate, benzimidazole, 2-aminobenzimidazole, 2-aminobenzimidazole
- pyrimidines and derivatives thereof include 2 amino-4 chloro-6-methinorepyrimidine, 2 amino-6 chloro-4-methoxypyrimidine, 2 amino-4,6 dichloropyrimidine, 2 amino-4,6 Dihydroxypyrimidine, 2-amino-4,6 dimethinolevyrimidine, 2-amino-4,6 dimethoxypyrimidine, 2-aminopyrimidine, 2-amino-4-methylpyrimidine, 4,6-dihydroxypyrimidine, 2,4-dihydroxypyrimidine 5, carboxylic acid, 2, 4,6 triaminopyrimidine, 2,4 dimethoxypyrimidine, 2,4,5 trihydroxypyrimidine, 2,4 pyrimidinediol and the like.
- pyrazines and derivatives thereof include pyrazine, 2-methylvirazine, 2,5 dimethylvirazine, pyrazinecarboxylic acid, 2,3 pyrazinedicarboxylic acid, 5-methylbirazinecarboxylic acid, pyrazineamide.
- triazines and derivatives thereof include 1, 3, 5 triazines and 2 amino acids.
- a substituent may be introduced into the nitrogen atom to form a nitrogen-containing aromatic cyclic compound cation.
- a salt may be formed by combining the cation and the cation. Even if it is a salt, it exhibits the same effect as a nitrogen-containing aromatic cyclic compound that is not cation.
- Examples of the substituent introduced into the nitrogen atom of the nitrogen-containing aromatic cyclic compound include hydrogen, an alkyl group, a hydroxy group, a carboxy group, a cyan group, a phenol group, a phenol group, an ester group, An alkoxy group, a carbonyl group, etc. are mentioned.
- alkyl group examples include alkyl groups such as methyl, ethyl, propyl, butyl, isobutyl, t-butyl, pentyl, hexyl, octyl, decyl, and dodecyl, and cycloalkyl groups such as cyclopropyl, cyclopentyl, and cyclohexyl. .
- alkyl groups such as methyl, ethyl, propyl, butyl, isobutyl, t-butyl, pentyl, hexyl, octyl, decyl, and dodecyl
- cycloalkyl groups such as cyclopropyl, cyclopentyl, and cyclohexyl.
- an alkyl group having 1 to 12 carbon atoms is more preferable.
- hydroxy group examples include hydroxy, methylene hydroxy, ethylene hydroxy, trimethylene hydroxy, tetramethylene hydroxy, pentamethylene hydroxy, hexamethylene hydroxy, heptamethylene hydroxy, propylene hydroxy, butylene hydroxy, ethynolemethyl hydroxy, Examples thereof include alkene-hydroxy groups such as be- ylene hydroxy, butene-hydroxy and pentene-hydroxy.
- carboxy group examples include alkylene carboxy groups such as carboxy, methylene carboxy, ethylene carboxy, trimethyl carboxy, propylene carboxy, tetramethylene carboxy, pentamethylene carboxy, hexamethylene carboxy, heptamethylene carboxy, ethyl methylene carboxy, and phenylethylene carboxy. , Isoprene power Ruboxy, propenylene carboxy, butenylene carboxy, pentenylene carboxy And the like.
- alkylene carboxy groups such as carboxy, methylene carboxy, ethylene carboxy, trimethyl carboxy, propylene carboxy, tetramethylene carboxy, pentamethylene carboxy, hexamethylene carboxy, heptamethylene carboxy, ethyl methylene carboxy, and phenylethylene carboxy.
- Isoprene power Ruboxy propenylene carboxy, butenylene carboxy, pentenylene carboxy And the like.
- Examples of the cyano group include alkylenes such as cyanided methylene cyanated ethylene sheared trimethylene cyanated tetramethylene cyano, pentamethylene cyano, hexamethylene cyano, heptamethylene cyano, propylene cyanobutylene cyano, ethylmethylene cyano and the like. Cyano groups and alkelenciano groups such as butterene containing probelenchia and pentenolensano containing probes.
- phenol group examples include alkyl phenol groups such as phenol, methyl phenol, ethyl phenol, and butyl phenol, and alkylene phenol groups such as methylene phenol, ethylene phenol, trimethylen phenol, tetramethylene phenol, pentamethylene phenol, and hexamethylen phenol. It is done.
- phenyl group examples include alkylphenyl groups such as phenyl, methyl, butyl, octyl and dimethyl, methylene, ethylene, trimethylene and tetramethylene.
- Alkylene phenyl groups such as phenyl, pentamethylene phenyl, hexamethylene phenol, heptamethylene vinyl, etc.
- alkoxy group examples include methoxy, ethoxy, butoxy, phenoxy and the like.
- Examples of ions that form a salt in combination with a cation of a nitrogen-containing aromatic cyclic compound include halogen ions, sulfate ions, sulfite ions, and organic sulfonate ions. Can be mentioned.
- the organic sulfonic acid the same ones as described above can be used.
- a part of the nitrogen-containing aromatic cyclic compound is a proton derived from a dopant
- a nitrogen-containing aromatic ring cation compound having a cationic charge is formed by coordinating or bonding with another functional group. Accordingly, the added nitrogen-containing aromatic cyclic compound is not mixed with the nitrogen-containing aromatic ring cation compound, but is mixed with the nitrogen-containing aromatic cyclic compound. As a body, it is considered to exist in the antistatic paint.
- nitrogen-containing aromatic ring cation compounds and nitrogen-containing aromatic ring compounds produce an electron-withdrawing group and a salt with an excess of dopant, and are attracted to the dopant to prevent antistatic.
- ⁇ in paint It is thought that it penetrates between conjugated conductive polymers.
- Nitrogen-containing aromatic ring cation compound and nitrogen-containing aromatic cyclic compound intervene between ⁇ -conjugated system conductive polymers to reduce the hopping energy required for electrical conduction between ⁇ -conjugated system conductive polymers. It is considered that the electrical conductivity of the antistatic coating is improved by lowering.
- the nitrogen-containing aromatic cyclic compound preferably has a crosslinkable functional group because it can have higher electrical conductivity and heat resistance.
- a nitrogen-containing aromatic cyclic compound having a crosslinkable functional group is referred to as a crosslinkable nitrogen-containing aromatic cyclic compound.
- the crosslinkable functional group refers to a functional group that can crosslink by reacting with the same functional group or another type of functional group.
- the crosslinkable functional group may be directly bonded to the nitrogen-containing aromatic cyclic compound, substituted or unsubstituted methylene, substituted or unsubstituted ethylene, substituted or unsubstituted propylene, etc.
- the functional group may be bonded to the nitrogen-containing aromatic cyclic compound.
- the crosslinkable functional group may be introduced into the nitrogen atom of the nitrogen-containing aromatic cyclic compound or may be introduced into a carbon atom.
- crosslinkable functional group examples include a bur group, a carboxy group, a hydroxy group, an amino group, and an ester group.
- vinyl groups, carboxy groups, and hydroxy groups are preferred because of their high reactivity and easy crosslinking.
- the carboxy group, hydroxy group, amino group, and ester group are the same as those described above.
- crosslinkable nitrogen-containing aromatic cyclic compound examples include pyridines having a crosslinkable functional group and derivatives thereof, imidazoles having a crosslinkable functional group, and derivatives thereof.
- Examples of pyridines having a cross-linkable functional group and derivatives thereof include, for example, 2-Burpyridine, 4 Vinylpyridine, 2-Methyl-6Burpyridine, 5-Methyl-2-Burpyridine, 4-Butylpyridine, 4-Penterubiridine, 2 — (4-Pyridyl) alcohol, 4— (1-Butylpentyl) pyridine, 2 Pyridine carboxylic acid, 4 Pyridine carboxylic acid, 6-Methanole 2 Pyridine power norlevonic acid, 2, 3 Pyridine dicanolevonic acid, 2, 4 Pyridine dicarboxylic acid, 2, 5 Pyridine dicarboxylic acid, 2, 6 Pyridine dicarboxylic acid, 4-H Examples include droxypyridine, 2,6-dihydroxypyridine, methyl 6-hydroxynicotinate, 2-hydroxy-5-pyridinemethanol, ethyl 6-hydroxynicotinate, 4-pyridinemethanol, 4-pyridineethanol, and 2-pyridinecarbo-toly
- imidazoles having a crosslinkable functional group and derivatives thereof include N-biimidazole, N-arylimidazole, 2-methyl-4-butimidazole, 2-methyl-1-butimidazole, and imidazole-4.
- Rubonic acid 4, 5 imidazole dicarboxylic acid, 1- (2-hydroxyethyl) imidazole, 2-hydroxymethylimidazole, 4-hydroxymethylimidazole, 2-butyl-4-hydroxymethylimidazole, 2-methyl-4- Examples thereof include hydroxymethylimidazole, 4-hydroxymethyl-2-methylimidazole, 1 benzyl 2-hydroxybenzimidazole, methylimidazole 4 carboxylate, ethylimidazole-4 carboxylate, and dimethyl 4,5-imidazole dicarboxylate.
- the content of the nitrogen-containing aromatic cyclic compound is preferably in the range of 0.1 to 100 mol with respect to 1 mol of the dopant and Z or the solubilized polymer. From the viewpoint of the physical properties and conductivity of the coating film, the range of 3 to: LO mol is particularly preferable.
- the content of the nitrogen-containing aromatic cyclic compound is less than 0.1 mol, the interaction between the nitrogen-containing aromatic cyclic compound and the dopant and ⁇ -conjugated conductive polymer is weak. And the conductivity may be insufficient.
- the nitrogen-containing aromatic cyclic compound is contained in an amount exceeding 100 mol, the content of the ⁇ -conjugated conductive polymer is decreased, and the conductivity may be insufficient.
- crosslinkable nitrogen-containing aromatic cyclic compound it is preferable to further contain a crosslinkable compound.
- the crosslinkable compound when the crosslinkable functional group is a bull group, the compound having a vinyl group is preferably a crosslinkable functional group force S. When it is a carboxy group, it is a hydroxy group or an amino group. In the case where the crosslinkable functional group preferred by the compound having a group is a hydroxy group, a compound having a carboxy group is preferred.
- crosslinkable compound When a crosslinkable compound is contained, the crosslinkable functionality of the crosslinkable nitrogen-containing aromatic cyclic compound Since the group is easily cross-linked, more stability can be secured.
- crosslinkable compound examples include methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, isobutyl acrylate, isooctyl acrylate, isobutyl acrylate, allylic acrylate, ethyl methacrylate, Hydroxyethyl acrylate, methoxyethyl acrylate, methoxybutyl acrylate, stearyl acrylate, allyloylmorpholine, buramine, N, N dimethylvinylamine, N, N dimethylvinylamine, N, N-dibutylvinylamine, N, N t-Butyl vinylamine, N, N-di-vinyl vinyl amine, N-Bulbcarbazole, Bul alcohol, Byl chloride Bulfur fluoride, Bulether, Acrylonitrile, N-Buyl-2-pyrrolidone, Atarylamide, N, N Dimethyl
- the nitrogen-containing aromatic cyclic compound has a crosslinkable functional group
- a polymerization initiator examples include acids, alkalis, radical generators, oxidizing agents, and the like.
- the type of the polymerization initiator is preferably selected as appropriate according to the type of the crosslinkable functional group. That is, when the crosslinkable functional group is a vinyl group, an acid or alkali is preferred when the radical generator is a carboxy group or a hydroxy group where alkali is preferred.
- the conductive composition may contain a binder resin for adjusting film properties such as film formability, film strength, and electrical conductivity.
- the antistatic coating material preferably contains a binder resin because the coating film has high scratch resistance and surface hardness, and improves adhesion to the substrate.
- Anti-static paint strength By including S binder resin, the pencil hardness CFIS K 5400) of the anti-static film formed from the anti-static paint is more than HB.
- the binder resin is not particularly limited as long as it is compatible or mixed with the essential components of the conductive composition, and may be a reactive resin or a non-reactive resin.
- a thermosetting resin may be used as long as it is compatible with or mixed with an antistatic coating, Thermoplastic rosin may be used.
- polyester resins such as polyethylene terephthalate, polybutylene terephthalate and polyethylene naphthalate; polyimide resins such as polyimide and polyamide imide; polyamide resins such as polyamide 6, polyamide 6, 6, polyamide 12 and polyamide 11 Fats: Fluorine resins such as polyvinylidene fluoride, polyvinyl fluoride, polytetrafluoroethylene, ethylene tetrafluoroethylene copolymer, polychloroethylene, etc .; polybulu alcohol, polybul ether, polyburu Butyl resin such as petital, polyacetate beer, polychlorinated bur; epoxy resin; xylene resin; aramid resin; polyurethane resin; polyurea resin; melamine resin; Polyethers; acrylic resins and copolymers thereof, etc. And the like.
- binder resins used for the antistatic coating may be dissolved in an organic solvent V, and may be added with a functional group such as a sulfo group or a carboxy group to form an aqueous solution. However, it may be dispersed in water such as emulsification.
- noinder resins one or more of polyurethane, polyester, acryl resin, polyamide, polyimide, epoxy resin, and polyimide silicone is preferable because they can be easily mixed.
- Acrylic rosin is suitable for applications such as optical filters because of its high hardness and excellent transparency.
- the acrylic resin preferably includes a liquid polymer that is cured by thermal energy and Z or light energy.
- examples of the liquid polymer that is cured by heat energy include a reactive polymer and a self-crosslinking polymer.
- the reactive polymer is a polymer in which a monomer having a substituent is polymerized, and examples of the substituent include a carboxyl group, an acid anhydride, an oxetane group, a glycidyl group, and an amino group.
- Specific monomers include malonic acid, succinic acid, glutamic acid, pimelic acid, ascorbic acid, phthalic acid, acetyl salicylic acid, adipic acid, isophthalic acid, benzoic acid, m-toluic acid and other carboxylic acid compounds, maleic anhydride Acid, phthalic anhydride, dodecyl succinic anhydride, dichloromaleic anhydride, tetrachlorophthalic anhydride, tetrahydrophthalic anhydride, pyromellitic anhydride, etc., 3, 3-dimethyloxetane, 3, 3-dichloromethy Luoxetane, 3-methyl-3-hydroxymethyloxetane, azidomethylmethyloxy Oxetane compounds such as cetane, bisphenol A diglycidyl ether, bisphenol F diglycidyl ether, phenol novolac polyglycidyl ether, N, N diglycidyl p-
- the reactive polymer at least a bifunctional or higher functional crosslinking agent is used.
- the cross-linking agent include melamine resin, epoxy resin, metal oxide, and the like.
- Metal oxides include basic metal compounds such as Al (OH), Al (OOC'CH) (OOCH), Al (
- OOC'CH OOC'CH
- ZrO (OCH) ⁇ Mg (OOC.CH) ⁇ Ca (OH), Ba (OH) etc.
- the self-crosslinking polymer is self-crosslinking between functional groups by heating, and examples thereof include those containing glycidyl group and carboxyl group, or those containing both N-methylol and carboxyl group. It is done.
- liquid polymers that are cured by light energy include polyesters, epoxy resins, oxetane resins, oligomers or prepolymers such as polyacryl, polyurethane, polyimide, polyamide, polyamideimide, and polyimide silicone. .
- Examples of monomer units constituting a liquid polymer that is cured by light energy include bisphenol, ethylene oxide-modified diatalylate, and dipentaerythritol. Hexa (penta) acrylate, dipentaerythritol monohydroxypenta acrylate, dipropylene glycol di acrylate, trimethylol propane tri acrylate, glycerin propoxy tri acrylate, 4 hydroxy butyl acrylate, 1, 6 hexane diol Ludiatalylate, 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate, isobornyl acrylate, polyethylene glycol dialate, pentaerythritol triacrylate, tetrahydrofurfuryl acrylate, tripropylene glycol Atarylates such as diacrylate, tetraethylene glycol dimetatalylate, alkylmetatalylate, arinolemetatalylate, 1,3 butylene glycolinoresin me
- a liquid polymer that is cured by light energy is cured by a photopolymerization initiator.
- the photopolymerization initiators include acetophenones, benzophenones, Michler benzoyl. Examples include benzoate, a amioxime ester, tetramethylthiuram monosulfide, and thixanthones. Furthermore, n-butylamine, triethylamine, tri-n-butylphosphine and the like can be mixed as a photosensitizer.
- the conductive composition may contain a solvent.
- the solvent the same solvent as the solvent capable of dissolving or dispersing the precursor monomer of the ⁇ -conjugated conductive polymer described above can be used.
- the solvent used for the antistatic paint and the capacitor is not particularly limited.
- alcohol solvents such as methanol, ethanol, isopropyl alcohol ( ⁇ ), ⁇ methylpyrrolidone ( ⁇ ), dimethylacetamide (DMAc), dimethyl Amide solvents such as formamide (DMF), ketone solvents such as methyl ethyl ketone (MEK), acetone and cyclohexanone, ester solvents such as ethyl acetate and butyl acetate, toluene, xylene and water.
- solvents such as methanol, ethanol, isopropyl alcohol ( ⁇ ), ⁇ methylpyrrolidone ( ⁇ ), dimethylacetamide (DMAc), dimethyl Amide solvents such as formamide (DMF), ketone solvents such as methyl ethyl ketone (MEK), acetone and cyclohexanone, ester solvents such as ethyl acetate and butyl a
- Examples of the method for producing the conductive composition include chemical oxidation polymerization of a precursor monomer of a ⁇ -conjugated conductive polymer in the presence of a dopant and an oxidizing agent or an acid polymerization polymerization catalyst.
- a method of adding a nitrogen-containing aromatic cyclic compound can be employed.
- the dopant forms a salt with the ⁇ -conjugated conductive polymer together with the growth of the ⁇ -conjugated conductive polymer, Doping of the high molecular weight occurs.
- the sulfo group forms a strong salt with the ⁇ -conjugated conductive polymer, so that the ⁇ -shared conductive polymer is a sulfo group. It is strongly attracted to the main chain of the dopant, which is a soluble polymer.
- the ⁇ -conjugated conductive polymer main chain grows along the main chain of the dopant having a sulfo group-containing solubilizing and high molecular force, and an ordered ⁇ -conjugated conductive polymer is easily formed.
- the ⁇ -conjugated conductive polymer synthesized in this way forms a myriad of salts with a dopant composed of a sulfo group-containing solubilizing polymer, and is fixed to the main chain of the dopant that also has a sulfo group-containing solubilizing polymer force. Therefore, it becomes a mixture with the dopant.
- the nitrogen-containing aromatic cyclic compound becomes a ⁇ -conjugated conductive polymer.
- a dopant to form a conductive composition.
- the conductive composition described above contains a ⁇ -conjugated conductive polymer, a dopant, and a nitrogen-containing aromatic cyclic compound.
- a part of the nitrogen-containing aromatic cyclic compound is coordinated or bonded to a proton or a substituent derived from a dopant, and has a cationic charge, so that a nitrogen-containing aromatic cyclic compound is obtained. It is thought to be a cation of the compound. Therefore, in the conductive composition, there is a mixture of the nitrogen-containing aromatic cyclic compound catalyst and the remaining nitrogen-containing aromatic cyclic compound.
- this mixture force forms a salt with an excess of the ion group of the dopant, is attracted to the dopant, and is interposed between the ⁇ -conjugated conductive polymers in the conductive composition.
- the nitrogen-containing aromatic ring cation compound and the nitrogen-containing aromatic ring compound are interposed between the ⁇ -conjugated conductive polymers, so that the ⁇ -conjugated conductive polymers are It is thought that the hopping energy required for the electrical conduction of the metal is reduced to improve the conductivity.
- this electroconductive composition is excellent also in heat resistance and moisture resistance.
- the conductive crosslinked body of the present invention is formed by subjecting a conductive composition containing a nitrogen-containing aromatic cyclic compound having a crosslinkable functional group to a heat treatment and an irradiation or ultraviolet irradiation treatment.
- Examples of the method for forming a conductive crosslinked body include a method in which a solution of a conductive composition is applied to a substrate, the solvent is removed by an appropriate method, and then a heat treatment and a heat treatment or an ultraviolet irradiation treatment are performed. It is done.
- examples of the method for applying the solution of the conductive composition include immersion, comma coating, spray coating, roll coating, and gravure printing.
- heat treatment for example, a normal method such as hot air heating or infrared heating can be employed.
- ultraviolet irradiation treatment include light from an ultra-high pressure mercury lamp, a high-pressure mercury lamp, a low-pressure mercury lamp, a carbon arc, a xenon arc, a metal nitride lamp, etc.
- a method of irradiating with ultraviolet rays can also be adopted as the source power.
- the conductive cross-linked body has a high density because the cross-linkable nitrogen-containing aromatic cyclic compound is cross-linked. As a result, heat resistance, thermal stability, and solvent resistance are increasing as well as higher conductivity.
- FIG. 1 is a diagram showing the configuration of the capacitor of this embodiment.
- the capacitor 10 includes an anode 11 made of a porous body of a valve metal, a dielectric layer 12 formed by oxidizing the surface of the anode 11, and a cathode 13 disposed on the dielectric layer 12. It is roughly structured.
- valve metal forming the anode 11 examples include aluminum, tantalum, niobium, titanium, hafnium, zirconium, zinc, tungsten, bismuth, and antimony. Of these, aluminum, tantalum, and niobium are preferable.
- anode 11 examples include an aluminum foil that is etched to increase the surface area, and then the surface thereof is subjected to an acid treatment, or the surface of a sintered body of tantalum particles and niobium particles is subjected to an acid treatment. Examples of pellets are listed. The surface treated in this way has irregularities formed on the surface.
- the dielectric layer 12 is formed, for example, by anodizing the surface of the anode 11 in an electrolytic solution such as an aqueous solution of ammonium adipate. Therefore, as shown in FIG. 1, irregularities are formed on the surface of the dielectric layer 12 as well as the anode 11.
- the cathode 13 includes a solid electrolyte layer 13a and a cathode conductive layer 13b made of carbon, silver, aluminum, or the like formed on the solid electrolyte layer 13a.
- the solid electrolyte layer 13a has a ⁇ -conjugated conductive high conductivity. It is a layer containing molecules and is provided on the dielectric layer 12 side.
- the cathode conductive layer 13b is made of carbon, silver or the like, it can be formed from a conductive paste containing a conductor such as carbon or silver, for example.
- a conductor such as carbon or silver
- the cathode conductive layer 13b is made of aluminum, for example, an aluminum foil cover can be formed.
- a separator can be provided between the solid electrolyte layer 13a and the anode 11 as necessary.
- the cathode 13 includes a solid electrolyte layer 13a and a cathode conductive layer 13b made of carbon, silver, aluminum, or the like formed on the solid electrolyte layer 13a.
- the electrolyte layer 13a includes a ⁇ -conjugated conductive polymer, a dopant, and a nitrogen-containing aromatic cyclic compound.
- the cathode conductive layer 13b is made of carbon, silver or the like, it can be formed from a conductive paste containing a conductor such as carbon or silver, for example.
- the cathode conductive layer 13b is made of aluminum, for example, an aluminum foil cover can be formed.
- a separator can be provided between the solid electrolyte layer 13a and the cathode conductive layer 13b as necessary.
- the electron-donating compound in the capacitor having the electron-donating element layer containing the electron-donating element is a compound containing the electron-donating element, which is a polymer. It is a non-compound.
- the electron donating element contained in the electron donating compound since the electrical affinity between the dielectric layer and the cathode containing the ⁇ -conjugated conductive polymer is higher, the 15th and 16th groups of the Periodic Table are included. Of the elements of the genus, at least one selected from nitrogen, oxygen, phosphorus and sulfur power is preferred.
- amines such as primary amine, secondary amine and tertiary amine are used.
- the amines include aliphatic amines such as ethylamine, jetylamine, methylethylamine, and triethylamine, alin, benzylamine, pyrrole, imidazole, pyridine, pyrimidine, pyrazine, and triazine.
- Aromatic amines or derivatives thereof may be mentioned.
- Examples of the electron-donating compounds containing oxygen include alcohols, ethers, and ketones, and specifically include lauryl alcohol, hexadecyl alcohol, benzenorenoreconolene. , Ethylene glycol, propylene glycol, glycerin, diphenyl Monotel, cyclohexanone, diacetone alcohol, isophorone, furan and derivatives thereof.
- Examples of the electron-donating compounds containing phosphorus include phosphoric acid esters, phosphorous ester esters, phosphonic acids, anorequinolephosphines, anorequinolephosphonium salts, and the like. Specifically, trimethyl phosphate, triphenyl phosphate, trimethyl phosphite, triethyl phosphite, dimethyl phosphonate, jetyl phosphonate, triethylphosphine, tree n-butylphosphine, tree n- Examples thereof include butyl phosphine oxide, tetraethylphosphonium bromide, and tetra-n-butylphosphonium bromide.
- Examples of the electron-donating compound containing sulfur include sulfides, thiols, isothiocyanates, thiophene, and derivatives thereof. Specifically, dimethyl sulfide, jetyl sulfide, methyl mercaptan, Examples include ethyl mercaptan, phenylisothiocyanate, n-butylisothiocyanate, thiophene, and 3-methylthiophene.
- a compound containing nitrogen, oxygen, or sulfur in the aromatic ring is preferable because a decrease in impedance (equivalent series resistance) can be prevented even if it remains in the dielectric layer.
- the compound containing nitrogen in the aromatic ring include pyrrole and derivatives thereof (pyrroles), imidazole, pyridine, pyrimidine, pyrazine, triazine and derivatives thereof, and the compounds containing oxygen in the aromatic ring.
- examples include furan and its derivatives (furans), and examples of the compound containing sulfur in the aromatic ring include thiophene and its derivatives (thiophenes).
- at least one selected from pyrroles, thiophenes, and furan power is preferable because the electrical affinity between the dielectric layer and the cathode is higher.
- the electron donating compound containing nitrogen, oxygen, and sulfur in the aromatic ring as described above may form a cation by introducing a substituent to the nitrogen, oxygen, or sulfur atom. Yes. Further, a salt may be formed by combining the cation and cation. Even a salt is not a cation! It exhibits the same effect as an electron donating compound.
- the capacitor described above since the electron donating compound is applied to the surface of the dielectric layer, and the charge on the surface of the dielectric layer is neutralized, the dielectric layer and the ⁇ -conjugated system The electrical affinity with the solid electrolyte layer containing a conductive polymer is increasing. As a result, since the resistance at the interface between the dielectric layer and the cathode is decreasing, the impedance of the capacitor is low and the capacitance is high.
- a method for manufacturing a capacitor according to the present invention As an example of a method for producing a capacitor, a step of oxidizing a surface of an anode made of a porous body of valve metal to form a dielectric layer, and an electron donating property containing an electron donating element on the surface of the dielectric layer And a method of forming an electron donating compound layer by applying a compound, and a step of forming a solid electrolyte layer containing a ⁇ -conjugated conductive polymer on the surface of the electron donating compound layer. It is done.
- examples of a method for oxidizing the anode surface include a method for anodizing the anode surface in an electrolytic solution such as an aqueous solution of ammonium adipate.
- a known application method such as coating, dipping or spraying can be employed.
- the electron donating compound is a solid, a solution in which the electron donating compound is dissolved in a solvent may be applied. In that case, it is preferable to remove the solvent by drying after coating. It is also preferable to remove the solvent when the liquid electron-donating compound is diluted.
- the concentration of the solution containing the electron-donating compound is not particularly limited, but if it is too thin, it may be difficult to apply if it is too dark, or it may be difficult to apply, or the ESR may decrease. It is preferably 5% by mass to 5% by mass.
- the electrical affinity between the dielectric layer and the negative electrode can be improved more easily.
- a method of applying a conductive polymer solution in which a ⁇ -conjugated conductive polymer is dissolved in a solvent is preferable. Further, the precursor monomer constituting the ⁇ -conjugated conductive polymer may be formed on the dielectric layer by directly performing chemical oxidative polymerization or electrolytic polymerization.
- the conductive polymer solution is obtained by polymerizing a precursor monomer of a ⁇ -conjugated conductive polymer in the presence of an anion group-containing solubilizing polymer. Alternatively, it can be obtained by dissolving a ⁇ -conjugated conductive polymer having solvent solubility in a solvent.
- a method for preparing a conductive polymer solution by polymerizing a precursor monomer of a ⁇ - conjugated conductive polymer in the presence of an anion group-containing solubilizing polymer, The molecule is dissolved in a solvent that can dissolve the molecule, and the precursor monomer of the ⁇ -conjugated conductive polymer is added to the solution thus obtained. Next, an oxidizing agent is added to polymerize the precursor monomer, and then the excess oxidizing agent and precursor monomer are separated and purified to obtain a conductive polymer solution.
- the lone group-containing soluble polymer used here is selected from those described above.
- a dopant other than the cation group-containing soluble polymer may be added to the conductive polymer solution.
- the dopant is selected from among those mentioned above.
- the ratio of ⁇ -conjugated conductive polymer to dopant is the molar ratio of ⁇ -conjugated conductive polymer.
- the dopant is preferably 97: 3 to LO: 90. There is a tendency for the conductivity to decrease with more or less dopant.
- Examples of the method for applying the conductive polymer solution include known methods such as coating, dipping, and spraying.
- a drying method for removing the solvent a known method such as hot air drying may be used.
- an electrolytic solution is infiltrated as necessary, and then a method of forming a cathode conductive layer by applying carbon paste or silver paste, or an aluminum foil through a separator.
- the cathode is formed by a known method of arranging a cathode conductive layer such as A capacitor can be obtained.
- separator for example, a single or mixed nonwoven fabric such as cellulose fiber, glass fiber, polypropylene fiber, polyester fiber, polyamide fiber, carbonized nonwoven fabric obtained by carbonizing these, or the like is used.
- the electrical affinity between the dielectric layer and the solid electrolyte layer can be improved by applying the electron donating compound to the surface of the dielectric layer. Impedance can be lowered. However, it is easy to apply the electron-donating compound. Therefore, the capacitor manufacturing method described above can easily manufacture a capacitor with low impedance.
- the capacitor obtained by this manufacturing method has a high capacity and excellent heat resistance.
- the capacitor having the electron donating compound layer of the present invention is not limited to the above-described embodiment.
- an electron-donating compound is applied to the surface of the dielectric layer to form a solid electrolyte layer, and then a conductive cathode layer is provided to form a cathode to obtain a capacitor.
- the timing for providing the cathode conductive layer is not limited. For example, after disposing the negative electrode conductive layer so as to face the dielectric layer, an electron donating compound may be applied to the surface of the dielectric layer, and then the solid electrolyte layer may be formed. In that case, it is preferable to place a separator between the cathode conductive layer and the dielectric layer.
- the electron donating compound may be applied not only to the surface of the dielectric layer but also to the surface of the cathode conductive layer on the dielectric layer side and the separator.
- a dielectric in a capacitor intermediate having an anode having a porous body strength of a valve metal and a dielectric layer formed by oxidizing the surface of the anode.
- a method for producing a capacitor having a step of applying a conductive polymer solution containing a ⁇ -conjugated conductive polymer, a dopant, a nitrogen-containing aromatic cyclic compound and a solvent to form a coating film on the surface of the layer Is mentioned.
- a solubilized polymer containing a cation group is dissolved in a solvent that can be dissolved therein, and the conductive polymer is added to the resulting solution.
- Preform monomers such as unsubstituted arylene pyrrole and thiophene are added.
- an oxidizing agent is added to polymerize the monomer, and then the excess oxidizing agent and monomer are separated and purified.
- a nitrogen-containing aromatic cyclic compound is added to obtain a conductive polymer solution.
- oxidizing agent for polymerizing the conductive polymer known ones can be used as described above.
- Examples of the method for applying the conductive polymer solution include known methods such as coating, dipping, and spraying.
- Examples of the drying method include known methods such as hot air drying.
- a cathode can be formed by a technique.
- separator for example, a single or mixed nonwoven fabric such as cellulose fiber, glass fiber, polypropylene fiber, polyester fiber, polyamide fiber, carbonized nonwoven fabric obtained by carbonizing these, or the like is used.
- the manufacturing method described above forms a solid electrolyte layer by applying and drying a conductive polymer solution, so that the process is simple, suitable for mass production, and low cost.
- the conductive polymer solution contains the ⁇ -conjugated conductive polymer, the dopant, and the nitrogen-containing aromatic cyclic compound, the conductivity of the solid electrolyte layer can be increased.
- the solid electrolyte layer may be formed by a chemical oxidation polymerization method or an electrolytic polymerization method.
- a precursor monomer solution such as substituted or unsubstituted arylene pyrrole or thiophene that forms a ⁇ -conjugated conductive polymer and an oxidizer solution are prepared, and capacitor intermediates are alternately placed on these.
- the conductive polymer is polymerized on the dielectric layer side surface of the capacitor intermediate.
- the oxidizing agent those similar to the above production method can be used.
- the dopant and the nitrogen-containing aromatic cyclic compound may be dissolved simultaneously in the monomer solution or the oxidant solution, or after the formation of the ⁇ -conjugated conductive polymer, the dopant and the nitrogen-containing aromatic property.
- a solution in which a cyclic compound is dissolved in a solvent Let it penetrate into the molecule and add it.
- a precursor monomer such as unsubstituted arylene pyrrole or thiophene, which forms a ⁇ -conjugated conductive polymer
- a solvent such as acetonitrile
- the dopant is added to the electrolyte.
- Capacitor intermediate with a conductive layer formed on the surface is added as an electrode to the electrolytic cell added.
- polymerization is performed by applying a voltage higher than the acid potential of the precursor monomer, and a ⁇ -conjugated conductive polymer is formed on the dielectric layer of the capacitor intermediate.
- the nitrogen-containing aromatic cyclic compound may be dissolved in an electrolytic cell, or a solution in which a nitrogen-containing aromatic cyclic compound is dissolved in a solvent after forming a conductive polymer is used. It can be added by penetrating the molecule.
- the particle diameter of the ⁇ -conjugated conductive polymer is large, so the fine particle on the surface of the dielectric layer of the capacitor intermediate.
- the ⁇ -conjugated conductive polymer does not reach the deepest part of the void, making it difficult to extract the capacity. Therefore, it is preferable to supplement the capacity by containing an electrolytic solution as a cathode and allowing the electrolytic solution to permeate the dielectric layer.
- the nitrogen-containing aromatic cyclic compound has a crosslinkable functional group
- a conductive polymer solution is applied to form a coating film, and then the coating film is subjected to heat treatment and soot or ultraviolet rays. It is preferable to perform irradiation treatment.
- heat treatment or ultraviolet irradiation treatment or both depends on the type of the crosslinkable functional group.
- the heat treatment for example, a normal method such as hot air heating or infrared heating can be employed.
- a normal method such as hot air heating or infrared heating
- the ultraviolet irradiation treatment for example, a method of irradiating ultraviolet rays with a light source such as an ultrahigh pressure mercury lamp, a high pressure mercury lamp, a low pressure mercury lamp, a carbon arc, a xenon arc, or a metal nitride lamp can be adopted.
- the electrolytic solution is not particularly limited as long as the electric conductivity is high, and a known electrolyte is dissolved in a known solvent.
- the solvent examples include alcohol solvents such as ethylene glycol, diethylene glycol, propylene glycol, 1,4 butanediol, glycerin, and ⁇ -butyrolatone. , Y-valerolataton, ⁇ -lataton solvents such as valerolataton, ⁇ ⁇ ⁇ methylformamide
- amide solvents such as ⁇ , ⁇ ⁇ ⁇ ⁇ dimethylformamide, ⁇ ⁇ ⁇ -methylacetamide and ⁇ -methylpyrrolidinone, -tolyl solvents such as acetonitrile and 3-methoxypropio-tolyl, water and the like.
- electrolytes examples include adipic acid, dartaric acid, succinic acid, benzoic acid, isophthalic acid, phthalic acid, terephthalic acid, maleic acid, toluic acid, enanthic acid, malonic acid, formic acid, 1,6 decandihydronorlevonic acid, 5 , 6 Decandikanolevonic acid such as decandicanolevonic acid, octanedicarboxylic acid such as 1,7-year-old octanedicarboxylic acid, organic acid such as azelaic acid and sebacic acid, or boric acid, boric acid and polyhydric alcohol
- the resulting polyhydric alcohol complex compound of boric acid, inorganic acid such as phosphoric acid, carbonic acid, silicic acid, etc.
- primary amine methylamine, ethylamine, propylamine, butylamine, ethylenediamine, etc.
- secondary amine Dimethylamine, Jetylamine, Dipropylamine, Methylethylamine, Diphenylamine, etc.
- Tertiary amine Trimethyamine
- Ruamine triethylamine, tripropylamine, triphenylamine, 1,8 diazabicyclo (5, 4, 0) undecene 7 etc.
- tetraalkyl ammonium tetramethyl ammonium, tetraethyl ammonium
- electrolyte include tetrapropyl ammonium, tetrabutyl ammonium, methyltriethyl ammonium, dimethyl jetyl ammonium, and the like.
- the solubilized polymer is dissolved in a solvent that dissolves the polymer, and the precursor monomer of the conductive polymer and, if necessary, a dopant are added and mixed with sufficient stirring.
- an oxidant is added dropwise to the mixture thus obtained to allow the polymerization to proceed to obtain a composite of a soluble polymer and a conductive polymer.
- the oxidant, residual monomer, and by-products are removed from the complex, purified, and then dissolved in a suitable solvent.
- a nitrogen-containing aromatic cyclic compound, if necessary, a dopant, a binder resin, a crosslink Add a functional compound Get anti-static paint.
- the oxidizing agent for polymerizing the precursor monomer of the conductive polymer a known one can be used, for example, a metal halide compound such as ferric chloride, boron trifluoride, and salt aluminum. And peracids such as hydrogen peroxide and peroxybenzoyl, potassium persulfate, sodium persulfate, persulfates such as ammonium persulfate, ozone and oxygen.
- a metal halide compound such as ferric chloride, boron trifluoride, and salt aluminum.
- peracids such as hydrogen peroxide and peroxybenzoyl, potassium persulfate, sodium persulfate, persulfates such as ammonium persulfate, ozone and oxygen.
- the purification method is not particularly limited.
- the ultrafiltration method is simple and preferable among the forces capable of adopting a reprecipitation method, an ultrafiltration method, and the like.
- the ultrafiltration method is a method in which a solution in a solution is circulated on a porous ultrafiltration membrane and a liquid in the solution is permeated through the ultrafiltration membrane for filtration.
- a pressure difference occurs between the circulating solution side and the permeated solution side with the ultrafiltration membrane interposed, so that part of the solution on the circulating solution side permeates the permeated solution side and relieves the pressure on the circulating solution side. .
- As the circulating solution permeates some of the particles, dissolved ions, etc. smaller than the diameter of the ultrafiltration membrane in the circulating solution move to the permeate solution side, so the particles and dissolved ions can be removed.
- the ultrafiltration membrane to be used can be appropriately selected depending on the particle size to be removed and the ionic species.
- the antistatic film is formed by applying an antistatic paint on a substrate.
- Examples of the application method of the antistatic coating include immersion, comma coating, spray coating, roll coating, and gravure printing.
- the substrate is not particularly limited, but static electricity is easily generated! /, A resin molded product, particularly a resin film is suitable.
- the solvent may be removed by heating, or may be cured by heat or light.
- a heating method in the case of heating for example, a normal method such as hot air heating or infrared heating can be adopted.
- a light irradiation method for forming a coating film by photocuring for example, a method of irradiating ultraviolet light with a light source such as an ultra-high pressure mercury lamp, a high pressure mercury lamp, a low pressure mercury lamp, a carbon arc, a xenon arc, or a metal nitride lamp. Can be adopted.
- This antistatic film contains a nitrogen-containing aromatic cyclic compound, so that the conductivity is remarkably increased. Specifically, when the nitrogen-containing aromatic cyclic compound is not included, the electric conductivity is about 0.001 to about LOOSZcm, but when the nitrogen-containing aromatic cyclic compound is included, about 10 to 2000 SZcm. It becomes. Therefore, even if it is not a conductive polymer alone The conductivity is getting higher.
- the antistatic film becomes dense because the crosslinkable nitrogen-containing aromatic cyclic compound is cross-linked by heating or ultraviolet irradiation.
- the heat resistance and thermal stability increase as well as the increase in conductivity.
- the antistatic film When the antistatic film is used in optical applications, particularly in an optical filter and an optical information recording medium described later, it is preferable that the antistatic film has high transparency.
- the total light transmittance JIS Z 8701
- haze JIS K 6714
- 5% or less is preferably 5% or less, more preferably 3% or less, and even more preferably 1% or less.
- the surface hardness (pencil hardness) of the antistatic film is preferably HB or more.
- the surface resistance value of the antistatic film is preferably adjusted as appropriate in consideration of the optical characteristics. In general, if it is about 1 ⁇ ⁇ ⁇ ⁇ 10 3 ⁇ to 1 ⁇ 10 12 ⁇ , it can be applied to antistatic applications.
- the total light transmittance, haze, and surface resistance value of the coating film can be adjusted by the thickness of the antistatic film.
- the antistatic film has a base film and the antistatic film formed on at least one side of the base film.
- the base film examples include a low density polyethylene film, a high density polyethylene vinylome, an ethylene propylene copolymer vinyl, a polypropylene vinylome, an ethylene acetate butyl copolymer film, an ethylene methyl methacrylate copolymer film, a poly Ethylene terephthalate (PET) film, polybutylene terephthalate (PBT) film, polyethylene naphthalate (PEN) film, polyimide film, 6-nylon film, 6 , 6-nylon film, polymethylmethacrylate film, polystyrene film, styrene-acrylonitrile-butadiene copolymer film, polyacrylonitrile film, cellulose triacetate (TAC) film, cellulose propionate film, polychlorinated bure film, Polyvinyl chloride film, Polyvinyl fluoride film, Polytetrafluoroethylene film, Polybutyl alcohol film, Ethylene butyl alcohol copolymer
- the surface of these base films is usually oleophilic and is difficult to apply when an antistatic coating dissolved in an aqueous solvent is applied. Therefore, when applying an antistatic paint dissolved in an aqueous solvent, the base film surface is exposed to a parent such as sputtering, corona discharge, flame, ultraviolet irradiation, electron beam irradiation, chemical conversion, oxidation, and other etching treatments and undercoating treatments. It is preferable to perform water treatment. Furthermore, dust may be removed and cleaned by solvent cleaning or ultrasonic cleaning as necessary.
- FIG. 2 shows the optical filter of this embodiment.
- the optical filter 20 includes a film base 21, an antistatic film 22 formed on the film base 21, and an antireflection layer 23 formed on the antistatic film 22. .
- the antistatic film 22 in the optical filter 20 also serves as a hard coat layer.
- a transparent adhesive layer is provided on the surface of the optical filter 20 on the film base 21 side, and the optical filter 20 is attached via the adhesive layer.
- the film substrate 21 various plastic films having transparency can be used.
- the transparent plastic film include films having strength such as polyethylene terephthalate, polyimide, polyether sulfone, polyether ether ketone, polycarbonate, polypropylene, polyamide, acrylamide, and cellulose propionate.
- the surface of the film substrate 21 is preferably subjected to etching treatment or undercoating treatment such as sputtering, corona discharge, flame, ultraviolet irradiation, electron beam irradiation, chemical conversion and oxidation. If such a treatment is applied to the surface, the adhesion to the antistatic film 22 can be further enhanced.
- the surface of the film substrate 21 may be dust-removed and cleaned by solvent cleaning or ultrasonic cleaning as necessary before providing the antistatic film 22.
- the antistatic film 22 is a film formed of an antistatic paint as described above, and also serves as a hard coat layer. Therefore, as described above, the antistatic film 22 preferably has a surface hardness (pencil hardness) of HB or higher. Also, since it is for optical use, the total light transmittance (JIS Z 8701) of the antistatic film 22 is preferably 85% or more, more preferably 90% or more, more preferably 96% or more. Particularly preferred is. Further, the haze (JIS K 6714) of the antistatic film 20 is preferably 5% or less, more preferably 3% or less, and even more preferably 1% or less.
- the antireflection layer 23 is a layer for preventing reflection of light.
- This layer may be a single layer or multiple layers.
- the refractive index is preferably in the range of 1.38-1.45
- the optical film thickness is preferably in the range of 80 to: LOOnm.
- the antireflection layer 23 can be formed by either a dry method or a wet method.
- the dry method include a physical vapor deposition method such as an electron beam evaporation method, a dielectric heating evaporation method, a resistance heating evaporation method, a sputtering method, and an ion plating method, and a plasma CVD method.
- examples of the components of the antireflection layer 23 include silicon oxide, magnesium fluoride, niobium oxide, titanium oxide, tantalum oxide, oxide aluminum, and acid zirconium. Inorganic compounds such as indium oxide and tin oxide can be used!
- the wet method examples include a method of applying a coating material containing a curable compound by a known method such as comma coating, spray coating, roll coating, gravure printing, and curing the coating.
- a coating material containing a curable compound by a known method such as comma coating, spray coating, roll coating, gravure printing, and curing the coating.
- the antireflection layer 23 is formed by a wet method
- the curable compound for example, a fluorine-containing compound such as a fluorine-containing organic compound, a fluorine-containing organic silicon compound, or a fluorine-containing inorganic compound can be used.
- an antifouling layer may be further provided on the antireflection layer 23. If an antifouling layer is provided, dust and dirt can be prevented from adhering or even removed.
- the antifouling layer is not particularly limited as long as it does not inhibit the antireflection function of the antireflection layer 23, exhibits high water repellency and oil repellency, and can prevent adhesion of contamination, and is composed of an organic compound. It may be a layer or a layer made of an inorganic compound. For example, a layer containing an organic silicon compound having a perfluorosilane group or a fluorocycloalkyl group or a fluorine organic compound can be used.
- the method for forming the antifouling layer can be appropriately selected depending on the type of the antifouling layer.
- physical vapor deposition methods such as vapor deposition, sputtering, ion plating, chemical vapor deposition, and plasma polymerization can be used.
- vacuum process, micro gravure method, screen coating method, dip coating method and the like can be adopted.
- the optical filter 20 As the optical filter 20 described above, an antistatic film 22 that protects the film substrate 21 is formed, and since the antistatic film 22 is formed of the above antistatic paint, it has excellent transparency, Excellent adhesion to the film substrate 21. Further, the optical filter 20 is a filter having excellent antistatic stability, and it is difficult for dust to adhere to the surface.
- Such an optical filter 20 is suitably used for an antireflection film, an infrared absorption film, an electromagnetic wave absorption film or the like on both sides of a liquid crystal screen or a plasma display.
- the optical filter of the present invention is not limited to the above-described embodiment example, and it is only necessary to have the antistatic film formed with the antistatic paint force.
- a polarizing plate can be used instead of the film substrate.
- the polarizing plate include those in which a protective film is laminated on one side or both sides of a polyvinyl alcohol-based resin film adsorbed and oriented with a dichroic dye.
- the dichroic dye include iodine and dichroic dyes. Can be used.
- Such an optical filter can be provided on the outermost surface of the liquid crystal display device.
- optical information recording medium of the present invention An embodiment of the optical information recording medium of the present invention will be described.
- FIG. 3 shows an optical information recording medium according to this embodiment.
- This optical information recording medium 30 is a rewritable disc, and is a disc-shaped transparent medium having a force such as polycarbonate or polymethylmethacrylate.
- the light-absorbing resin substrate 31, the first dielectric layer 32, the optical information recording layer 33, the second dielectric layer 34, the metal reflecting layer 35, and the antistatic film 36 are sequentially formed.
- an inorganic material such as SiN, SiO 2, SiO, or Ta 2 O can be used.
- These dielectric layers are formed with a thickness of 10 to 500 nm by a known means such as vacuum deposition, sputtering, or ion plating.
- Examples of the material constituting the optical information recording layer 33 include Tb—Fe, Tb—Fe—Co, and Dy.
- Inorganic magneto-optical recording materials such as Fe—Co, Tb—Dy—Fe—Co, TeOx, Te Ge, Sn—Te—Ge, Bi—Te—Ge, Sb—Te—Ge, Pb—Sn—
- Inorganic phase conversion recording materials such as Te ⁇ Tl In—Se, organic dyes such as cyanine dyes, polymethine dyes, phthalocyanine dyes, merocyanine dyes, azulene dyes and squalium dyes are used.
- the optical information recording layer 33 When the optical information recording layer 33 is made of an inorganic magneto-optical recording material, it can be formed with a thickness of 10 to 999 nm by a known means such as a vacuum deposition method, a sputtering method, or an ion plating method. Moreover, when it consists of organic pigment
- solvents such as acetone, diacetone alcohol, ethanol, methanol
- the metal reflective layer 35 exhibits light reflectivity, and is composed of a metal such as Al, Cr, Ni, Ag, and Au, and oxides and nitrides thereof alone or in combination of two or more.
- the metal reflective layer 35 is formed with a thickness of 2 to 200 nm by sputtering or vacuum deposition.
- the antistatic film 36 is formed from the above-mentioned antistatic paint.
- the antistatic film 36 has a surface hardness of HB or more, so that the surface of the optical information recording medium 30 can be prevented from being damaged, the metal reflective layer 35 can be prevented from being oxidized, and dust can be prevented from adhering to static electricity. Can be suppressed.
- the thickness of the antistatic film 36 is preferably 3 to 15 ⁇ m. If it is thinner than 3 ⁇ m, it tends to be difficult to form a uniform film, and sufficient antistatic properties, surface damage prevention properties, and antioxidation properties of the metal reflective layer 35 may not be exhibited. On the other hand, if thicker than 15 m, The partial stress increases and the mechanical properties of the optical information recording medium 30 may deteriorate.
- an antistatic coating is applied on the metal reflective layer 35 using a known method such as comma coating, spray coating, roll coating, or gravure printing. Dry the solvent, or cure by heat or UV.
- an antistatic film 36 for protecting the optical information recording layer 33 and the metal reflective layer 35 is formed, and the antistatic film 36 is formed of the above antistatic coating. Formed from. Therefore, since the antistatic film 36 has a small haze and a high light transmittance, it has excellent transparency at the reading laser wavelengths of 780 nm and 635 nm. Further, since the antistatic film 36 has an antistatic property, dust adhesion due to static electricity is suppressed, and a record reading error and a writing error are prevented.
- the optical information recording medium of the present invention is not limited to the above-described embodiment, and for example, the optical information recording medium may be a write-once disc.
- the write-once disc has, for example, a structure in which a transparent resin substrate (organic base material), an optical information recording layer, a reflective metal layer, and an antistatic film are sequentially formed.
- sodium polystyrene sulfonate solution 1000 ml of sulfuric acid diluted to 10% by mass and 15000 ml of water are added, and about 13000 ml of the sodium polystyrene sulfonate solution is removed by ultrafiltration, 12000 ml of ion-exchanged water was added and about 13000 ml of solution was removed by ultrafiltration. The above ultrafiltration operation was repeated three times.
- the obtained mixed solution was kept at 20 ° C, and while stirring, 29.64 g (0.13 mol) ammonium persulfate dissolved in 200 ml ion-exchanged water and 8. Og (0. 02 mol) of a ferric sulfate acid-sodium catalyst solution was slowly added, and the mixture was allowed to react with stirring for 3 hours.
- a conductive composition solution 0.56 g of imidazole was uniformly dispersed in the obtained ⁇ -conjugated conductive polymer solution AlOOml to obtain a conductive composition solution.
- the components used are shown in Table 1.
- the conductive composition solution was applied onto glass and dried in an oven at 150 ° C. to obtain a coating film of the conductive composition.
- the electrical characteristics of the obtained coating film were evaluated by the following evaluation methods. The results are shown in Table 2.
- the electrical conductivity of the coating film was measured using a Loresta (manufactured by Mitsubishi Chemical).
- the electrical conductivity R of the coating film at a temperature of 25 ° C was measured using a Loresta
- the coating film after measurement was left in an environment at a temperature of 125 ° C for 300 hours, and then the coating film Return the temperature to 25 ° C, measure the electrical conductivity R, and substitute those measured values into the following equation.
- the electrical conductivity heat retention rate was calculated.
- the electrical conductivity heat retention rate is an index of heat resistance.
- Example 2 Using the ⁇ -conjugated conductive polymer solution obtained in Example 1, the amount of imidazole applied in Example 1 was changed from 0.56 g to 1.67 g (Example 2), 2.79 g. (Example 3), 5.5 A coated film of the conductive composition was obtained and evaluated in the same manner as in Example 1 except that the amount was changed to 57 g (Example 4). The results are shown in Table 2.
- Example 7 Into 100 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 1, 2.36 g (Example 5), 3.93 g (Example 6) of 1,2-dimethylimidazole instead of imidazole, 7. A coating film of the conductive composition was obtained and evaluated in the same manner as in Example 1 except that 67 g (Example 7) was added. The results are shown in Table 2.
- the conductive composition was the same as in Example 1 except that 100 g of the ⁇ -conjugated conductive polymer solution obtained in Example 1 was added with 1.3 g of pyridinesulfonic acid instead of imidazole. The coating film was obtained and evaluated. The results are shown in Table 2.
- Polyisoprenesulfonic acid-doped poly (3,4-ethylene dioxy oxythio) was used in the same manner as in Example 1 except that the polystyrene sulphonic acid was changed to 22.2 g (0.15 mol) of polyisoprene sulphonic acid. Fen) solution was obtained. This was diluted to 1.5 mass 0/0 with deionized water, was ⁇ -conjugated conductive polymer solution beta.
- This mixed solution was kept at 0 ° C, and while stirring, 29.64 g (0.13 mol) ammonium persulfate dissolved in 200 ml ion-exchanged water and 8. Og (0.02 mol) Ferric sulfate oxidation The catalyst solution was slowly added and the reaction was allowed to stir for 3 hours.
- reaction solution was treated in the same manner as in Example 1 to obtain a polystyrenesulfonic acid-doped polypyrrole solution. This is diluted to 1.5% by mass with ion-exchanged water to give a ⁇ -conjugated conductive polymer solution. It was.
- a polyisoprenesulfonic acid-doped polypyrrole solution was obtained in the same manner as in Example 1 except that the polystyrenesulfonic acid was changed to 22.2 g (0.15 mol) polyisoprenesulfonic acid. This was diluted to 1.5% by mass with ion-exchanged water to obtain a ⁇ -conjugated conductive polymer solution D.
- the resulting reaction solution was adjusted to pHIO with aqueous ammonia (25% by mass), precipitated with isopropyl alcohol, filtered, and the filtrate was washed with ion-exchanged water three times.
- the filtrate was redispersed with 1000 ml of ion-exchanged water to obtain a polyacrylic acid / polypyrrole colloid aqueous solution.
- the polyacrylic acid-polypyrrole colloid aqueous solution was coated on glass and dried in an oven at 150 ° C. to obtain a coating film of the conductive composition. evaluated.
- Table 2 The results are shown in Table 2.
- Example 1 ⁇ -conjugated conductive polymer solution obtained in Example 1 ⁇ (polystyrene sulfonic acid-doped poly (3,4-ethylenedioxythiophene) (PSS—PEDOT)), ⁇ -conjugated obtained in Example 9 Conductive polymer solution ⁇ (Polyisoprenesulfonic acid doped poly (3,4-ethylenedioxythiophene) (PIPS—PEDOT)), ⁇ -conjugated conductive polymer solution C obtained in Example 10 (polystyrene) Each of the sulfonic acid-doped polypyrrole (PSS-IV)) was applied as it was onto the glass and dried in an oven at 150 ° C. to obtain a conductive composition coating film. Then, the electrical characteristics of the coating film were evaluated in the same manner as in Example 1. The results are shown in Table 2.
- Example 1 100 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 1 was subjected to addition of 3.16 g of N-butylimidazole instead of imidazole to obtain a ⁇ -conjugated conductive polymer solution D. . Then, using the ⁇ -conjugated conductive polymer solution D, a coating film of the conductive composition was obtained and evaluated in the same manner as in Example 1. The results are shown in Table 4.
- Table 3 shows the ⁇ -conjugated conductive polymer, nitrogen-containing aromatic cyclic compound, and crosslinkable compound used in Examples 12-24.
- Example 2 100 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 1 was added with 3.16 g of N-butylimidazole instead of imidazole, and 3. Og of 2 hydroxyethyl acrylate.
- a coating film of the conductive composition was obtained and evaluated in the same manner as in Example 1 except that 0.02 g of ammonium persulfate (thermal polymerization initiator) was added. The results are shown in Table 4.
- Conductivity was the same as in Example 1 except that 3.83 g of 1-arylimidazole was added instead of imidazole to 100 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 1. A coating film of the composition was obtained and evaluated. The results are shown in Table 4.
- Example 1 except that 3.97 g of 1 (2-hydroxyethyl) imidazole was added to 100 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 1 instead of imidazole. In the same manner, a coating film of the conductive composition was obtained and evaluated. The results are shown in Table 4.
- Example 4 In the same manner as in Example 1, except that 3.97 g of imidazole-4-carboxylic acid was added in place of imidazole to 100 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 1. A coating film of the conductive composition was obtained and evaluated. The results are shown in Table 4.
- Example 19 Application of the conductive composition in the same manner as in Example 16 except that 1.2 g of 5-sulfoisophthalic acid was further added to 50 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 16. Membranes were obtained and evaluated. The results are shown in Table 4. [Example 19]
- Example 16 50 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 16 1.2 g of 5-sulfoisophthalic acid and 2. Og of polyester solution (trade name: Pluscoat Z-561, Kokusai Kagaku Kogyo)
- the coating composition of the conductive composition was obtained and evaluated in the same manner as in Example 16 except for the above. The results are shown in Table 4.
- Example 17 0.25 g of ethylene glycol was further added to 50 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 17, and the coating film of the conductive composition was otherwise treated in the same manner as in Example 17. Obtained and evaluated. The results are shown in Table 4.
- Example 16 50 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 16 was added to 0.25 g of ethylene glycol and 1.8 g of polyurethane solution (trade name: Resamine D-4080, Dainichi Seige Co., Ltd.) A coating film of the conductive composition was obtained and evaluated in the same manner as in Example 16 except for the above. The results are shown in Table 4.
- Example 4 Conduction was conducted in the same manner as in Example 1 except that 1.8 g of 2-vinylpyridine was added instead of N-buryumidazole to 100 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 1. A coating film of the composition was obtained and evaluated. The results are shown in Table 4.
- Example 10 except that 100 g of the ⁇ -conjugated conductive polymer solution C obtained in Example 10 was uniformly dispersed with 1.73 g of N-butimidazole instead of 1.67 g of imidazole. In the same manner, a coating film of the conductive composition was obtained and evaluated. The results are shown in Table 4.
- each of the conductive compositions of Examples 1 to 24 including the ⁇ -conjugated conductive polymer, the dopant, and the nitrogen-containing aromatic cyclic compound had high electrical conductivity.
- the thermal conductivity of the electrical conductivity is stable against temperature fluctuations, and the electrical conductivity does not increase even in a high temperature and high humidity environment.
- the conductive compositions of Examples 12 to 24, in which the nitrogen-containing aromatic cyclic compound has a crosslinkable functional group have a high thermal stability and can be used in combination with other crosslinkable compounds. Therefore, stability can be further improved.
- the resulting mixed solution was kept at 20 ° C, and while stirring, 29.64 g (0.13 mol) ammonium persulfate dissolved in 200 ml ion-exchanged water and 8.0 g (0. 02 mol) ferric sulfate oxidation catalyst solution was added and reacted with stirring for 3 hours.
- the resulting reaction solution is dialyzed to remove unreacted monomer and oxidant, and contains about 1.5% by weight of blue polystyrene sulfonate doped poly (3,4-ethylenedioxythiophene). A polymer solution was obtained.
- the dielectric layer is formed on the surface of the aluminum foil by oxidation (oxidation treatment) in a 10% by weight aqueous solution of ammonium adipate. This formed a capacitor intermediate.
- a cellulosic separator was sandwiched between the capacitor intermediate anode foil and the opposing aluminum cathode foil welded with the cathode lead terminal, and wound into a cylindrical shape to obtain a capacitor element.
- the capacitor element was crushed under reduced pressure in the electron donating compound solution prepared in Production Example 4, and then dried for 2 minutes in a hot air dryer at 120 ° C. Subsequently, the conductive material prepared in Production Example 3 was used. The capacitor element was immersed in a functional polymer solution under reduced pressure, and then dried for 10 minutes with a hot air dryer at 150 ° C. Then, immersion in the conductive polymer solution was repeated 5 times to form a solid electrolyte layer containing a ⁇ -conjugated conductive polymer on the dielectric layer surface.
- a capacitor element having a solid electrolyte layer formed on an aluminum case The capacitor was prepared by loading and sealing with sealing rubber.
- ESR equivalent series resistance
- a capacitor was obtained in the same manner as in Example 25 except that the electron donating compound solution prepared in Production Example 5 was used. Evaluation was performed in the same manner as in Example 25. The evaluation results are shown in Table 5.
- a capacitor was manufactured in the same manner as in Example 25 except that the capacitor element was not immersed in the electron-donating compound solution in preparation of the capacitor of Example 25. Evaluation was performed in the same manner as in Example 25. Table 5 shows the evaluation results.
- the capacitor of Comparative Example 1 in which the electron donating compound was not applied to the surface of the dielectric layer had a high ESR with a low capacitance (impedance was high).
- the ESR increased significantly after the calorie heat, and the heat resistance was low.
- the resulting mixed solution was kept at 20 ° C, and while stirring, 29.64 g (0.13 mol) of ammonium persulfate dissolved in 200 ml of ion-exchanged water and 8.0 g (0.02 mol) of A ferric sulfate acid-sodium catalyst solution was added, and the reaction was allowed to stir for 3 hours.
- the resulting reaction solution was dialyzed to remove unreacted monomer and oxidant to obtain a solution containing about 1.5% by weight of blue polystyrene sulfonate doped poly (3,4-ethylenedioxythiophene). Obtained. Then, 2.79 g of imidazole was uniformly dispersed in 100 ml of this solution to obtain a conductive polymer solution.
- the obtained conductive polymer solution was applied onto glass and dried in a 120 ° C hot air dryer to obtain a 2 ⁇ m thick conductive film. The electrical conductivity was measured using a Loresta (Mitsubishi Chemical Corporation). The results are shown in Table 6.
- a capacitor intermediate was obtained by forming a dielectric layer on the surface of the aluminum foil by performing an acidification (acidification treatment) in an aqueous solution.
- a capacitor intermediate and a counter aluminum cathode foil welded with a cathode lead terminal were stacked and wound up to obtain a capacitor element.
- a separator was sandwiched between the anode foil and the cathode foil of the capacitor intermediate.
- the capacitor element was immersed in the conductive polymer solution prepared in Production Example 6, and then dried with a hot air dryer at 120 ° C. to form a solid electrolyte layer on the dielectric layer side surface of the capacitor intermediate.
- the dielectric layer is formed on the surface of the aluminum foil by oxidation (oxidation treatment) in a 10% by weight aqueous solution of ammonium adipate. This formed a capacitor intermediate.
- a capacitor intermediate and a counter aluminum cathode foil welded with a cathode lead terminal were stacked and wound up to obtain a capacitor element.
- a separator was sandwiched between the anode foil and the cathode foil of the capacitor intermediate.
- the conductive film was formed by washing with water and drying, and the electrical conductivity of the conductive film was measured.
- a capacitor was fabricated in the same manner as in Example 27 except that imidazole was not added in the preparation of the conductive polymer solution of Production Example 6.
- a capacitor was produced in the same manner as in Example 27 except that the imidazole in the conductive polymer solution obtained in Production Example 6 was changed to 3.85 g of berylmidazole, and evaluated in the same manner as in Example 27. did. The evaluation results are shown in Table 7.
- the imidazole of the conductive polymer solution obtained in Production Example 6 was changed to 3.85 g of berylmidazole, and 1.4 g of acrylic acid and 0.02 g of ammonium persulfate were added. Except for the above, capacitors were fabricated in the same manner as in Example 27, and evaluated in the same manner as in Example 27. The evaluation results are shown in Table 7.
- Example 27 The same as Example 27, except that the imidazole of the conductive polymer solution obtained in Production Example 6 was changed to 3.3 g of 1-ethylhydroxyimidazole and 1.4 g of acrylic acid was added. A capacitor was fabricated and evaluated in the same manner as in Example 27. The evaluation results are shown in Table 7.
- Example 30 After immersing the capacitor intermediate in the conductive polymer solution prepared in Example 30, it was dried with a hot air dryer at 120 ° C., and the solid electrolyte layer was formed on the dielectric layer side surface of the capacitor intermediate. Formed.
- a carbon paste is applied on the formed solid electrolyte layer and heated at 120 ° C. After drying with an air dryer, a silver paste was further applied to form a conductive layer, and dried with a hot air dryer at 120 ° C. to form a cathode.
- a lead terminal was attached to the cathode, and this was wound up to obtain a capacitor element.
- a separator was sandwiched between the anode foil and the cathode foil of the capacitor intermediate.
- the dielectric layer is formed on the surface of the aluminum foil by oxidation (oxidation treatment) in a 10% by weight aqueous solution of ammonium adipate. This formed a capacitor intermediate.
- the imidazole in the conductive polymer solution obtained in Production Example 6 was changed to 3.85 g of bullimidazole, and then 1.4 acrylic acid and 0. Olg of 1— [4- (2 hydroxyethoxy) ⁇ [Phenol] 2-methyl 1-propane 1-one was added to obtain a conductive polymer solution.
- water is removed with a 120 ° C hot air drier, and then irradiated with ultraviolet rays with an ultraviolet irradiator to solidify the surface of the capacitor intermediate on the dielectric layer side. An electrolyte layer was formed.
- a carbon paste is applied on the formed solid electrolyte layer and dried with a hot air dryer at 120 ° C, and then a silver paste is applied to form a conductive layer.
- the cathode was formed by drying with an air dryer.
- a lead terminal was attached to the cathode, and this was wound up to obtain a capacitor element.
- a separator was sandwiched between the anode foil and the cathode foil of the capacitor intermediate.
- Example 27 The capacitors of Examples 27, 28, and 29 to 33, in which the solid electrolyte layer of the cathode contains a nitrogen-containing aromatic cyclic compound, had excellent cathode conductivity and low equivalent series resistance. . Furthermore, in Example 27, it was simple because the solid electrolyte layer was formed by applying and drying the conductive polymer solution. In addition, the capacitors of Examples 29 to 33 in which the nitrogen-containing aromatic cyclic compound in the solid electrolyte layer of the cathode is cross-linked have excellent electrostatic capacity and low equivalent series resistance. I got it.
- the capacitors of Comparative Examples 6 and 7 in which the solid electrolyte layer of the cathode did not contain a nitrogen-containing aromatic cyclic compound had high equivalent series resistance with low cathode conductivity.
- reaction solution was cooled to room temperature, 1000 ml of ion-exchanged water was added thereto, and 30 g of 50% by mass sulfuric acid aqueous solution was added, and then the solution was concentrated to about 300 m. This operation was repeated 4 times.
- reaction solution After the reaction is complete, cool the reaction solution to room temperature and add 1000 ml of ion-exchanged water to it. Then, 30 g of 50% by mass sulfuric acid aqueous solution was added, and the solution was concentrated at about 300 m. This operation was repeated 4 times.
- a polystyrene sulfonate-polymethacrylo-tolyl copolymer was obtained from sodium polystyrene sulfonate and a polymethacrylo-tolyl copolymer solution obtained in the same manner as in Production Example 2.
- an oxidant solution prepared by dissolving 250 g of ferric chloride in 1250 ml of acetonitrile was added dropwise over 2 hours while maintaining 10 ° C, and further stirred for 12 hours to polymerize 3,4-ethylenedioxythiophene. did.
- This antistatic coating was applied on a PET film having a thickness of 25 ⁇ m by a comma coater and dried to form an antistatic film having a thickness of 0.1 m. Then, the surface resistance value of this antistatic film at 10 ° C. and 15% RH was measured using MCP-HTP16 as a probe with a Hiresta made by Dia Instruments. The total light transmittance (JIS Z 8701) and haze (JIS K 6714) were measured. The results are shown in Table 8.
- the antistatic paint was evaluated in the same manner as in Example 34. The results are shown in Table 8.
- an oxidant solution prepared by dissolving 250 g of ferric salt in ferric salt in 1250 ml of water was added dropwise over 2 hours while maintaining 5 ° C., and stirring was continued for 12 hours, followed by 3,4-ethylenedioxy Thiophene was polymerized.
- the residue was purified by ultrafiltration to remove oxidant residues, unreacted monomers and the like, and concentrated to a concentration of 2% by mass. 100 ml of this solution was mixed with 1. lg of imidazole and stirred to obtain an antistatic paint.
- the antistatic paint was evaluated in the same manner as in Example 34. The results are shown in Table 8.
- the residue was purified by ultrafiltration to remove oxidant residues, unreacted monomers and the like, and concentrated to a concentration of 2% by mass. 100 ml of this solution is mixed with 1. lg of imidazole, further allyl methacrylate is mixed, and the mixed solution is mixed with urethan attalate (manufactured by Negami Kogyo Co., Ltd.), which is a hard coat component, and charged by stirring. A prevention paint was obtained.
- the antistatic paint was evaluated in the same manner as in Example 34. The results are shown in Table 8.
- Example 34 evaluation was performed in the same manner as in Example 36 except that imidazole was not added. The results are shown in Table 8.
- the resulting mixed solution was kept at 20 ° C, and while stirring, 29.64 g (0.13 mol) ammonium persulfate dissolved in 200 ml ion-exchanged water and 8.0 g (0. 02mol) A ferric acid / acid catalyst solution was slowly added, and the mixture was stirred for 3 hours to be reacted.
- Example 40 To 100 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 38, instead of ⁇ ⁇ buyl imidazole, 3.83 g of 1- (2-hydroxyethyl) imidazole and 2.18 g of 5-sulfoisophthalate An acid was added to obtain an antistatic coating. The antistatic paint was evaluated in the same manner as in Example 34. The evaluation results are shown in Table 9. [0217] (Example 40)
- Example 38 To the antistatic coating obtained in Example 38, 2. Og 2-hydroxyethyl acrylate, O. Olg 1 [4 (2-hydroxyethoxy) monophenol] — 2 Hydroxy 2-methyl Chill-1-propan-1-one (UV polymerization initiator) was added to obtain an antistatic coating. Then, the antistatic paint was applied onto a PET film having a thickness of 25 ⁇ m by a comma coater, water was removed in an oven at 100 ° C., and then an ultraviolet ray was irradiated by an ultraviolet ray irradiator to obtain a coating film. . Then, the electrical characteristics of the coating film were evaluated in the same manner as in Example 34. The results are shown in Table 9.
- Example 38 To the 100 ml of the ⁇ -conjugated conductive polymer solution obtained in Example 38, instead of ⁇ ⁇ Bull Imidazonole, 3.83 g of 1 (2 hydroxyethinore) and 1 Imidazonole and 1.8 g of polyurethane liquid (Product name: Rezamin D-4080, manufactured by Dainichi Seiya Kogyo Co., Ltd.) was added to obtain an antistatic coating. The antistatic paint was evaluated in the same manner as in Example 34. The evaluation results are shown in Table 9.
- the resulting mixed solution was kept at 20 ° C, and while stirring, 29.64 g (0.13 mol) ammonium persulfate dissolved in 200 ml ion-exchanged water and 8.0 g (0. 02 mol) of ferric sulfate and an acid catalyst solution were slowly added and reacted by stirring for 4 hours.
- the other side of the PET film (film substrate) with the adhesive layer and cover film laminated on one side was corona treated.
- the antistatic paint of Example 37 was applied to the corona-treated surface of the PET film with a comma coater. After drying, the film was cured by exposure to a high-pressure mercury lamp to form an antistatic film that also served as a hard coat layer.
- ethanol 42. Og was added to 80 g of ethanol dispersion of hollow silica having fine pores inside (catalyst chemicals Co., Ltd., solid concentration 15.6% by mass) on the antistatic film. The solution was applied. Thereafter, it was dried and heat-treated at 100 ° C. for 1 hour to form a 90 mm antireflection layer to obtain an optical filter.
- the visible light transmittance was 86.3%, the haze was 1.4%, and the surface resistance value was 3 to 10 5 ⁇ .
- the measurement method is the same as the measurement method for the antistatic film.
- the adhesion test was conducted according to the cross-cut tape method CFIS K 5400).
- the disk-shaped polycarbonate substrate formed by injection molding 300 nm TaO is formed as the first dielectric layer by sputtering, and 500 nm Tb is formed as the optical information recording layer.
- the Fe layer is formed, 300 nm Ta 2 O is formed as the second dielectric layer, and the metal reflective layer 1
- Example 37 An OOnm aluminum layer was formed. Next, the antistatic coating material of Example 37 was applied on the metal reflective layer with a comma coater, dried, and then cured by exposure to a high-pressure mercury lamp to form an antistatic film that also served as a hard coat layer to form an optical information recording medium. Got. This optical information recording medium was evaluated as follows.
- the transmittance of the antistatic film was measured with a spectrophotometer at 780 nm and 635 ⁇ m, which are the emission wavelengths of the reading laser diode of the optical information recording medium. As a result, the transmittance at 780 nm was 98.9%, and the transmittance at 635 nm was 98.6%.
- this optical information recording medium has excellent transparency at wavelengths of 780 nm and 635 nm.
- the antistatic property, the scratch resistance, and the adhesion between the antistatic film and the substrate were excellent.
- the conductive composition of the present invention comprises a conductive paint, an antistatic agent, an electromagnetic shielding material, a conductive material that requires transparency, a battery material, a conductive adhesive material, a sensor, an electronic device material, a semiconductive material, an electrostatic material. It can be used in various fields that require electrical conductivity, such as photo-sensitive copying members, photosensitive members such as printers, transfer members, intermediate transfer members, conveying members, and electrophotographic materials. In addition, according to the present invention, it is possible to easily manufacture a capacitor with high cathode conductivity and low impedance (equivalent series resistance).
- an antistatic film having high conductivity, flexibility, and high adhesion to a substrate simply by applying an antistatic coating. It can be manufactured at low cost due to its prevention.
- the antistatic paint and the antistatic film can be used in various fields such as an antistatic film, an optical filter, and an optical information recording medium that need to be prevented from being charged.
Abstract
Description
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JP2005090323A JP4987239B2 (ja) | 2004-08-30 | 2005-03-28 | 導電性組成物 |
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Also Published As
Publication number | Publication date |
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US8388866B2 (en) | 2013-03-05 |
US7666326B2 (en) | 2010-02-23 |
CN101040002A (zh) | 2007-09-19 |
CN101040002B (zh) | 2011-08-17 |
US8097184B2 (en) | 2012-01-17 |
TW200620328A (en) | 2006-06-16 |
US20060047030A1 (en) | 2006-03-02 |
US20100097743A1 (en) | 2010-04-22 |
US8551366B2 (en) | 2013-10-08 |
TWI303832B (en) | 2008-12-01 |
US20100098841A1 (en) | 2010-04-22 |
US20120057269A1 (en) | 2012-03-08 |
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