CN101734869B - Treating compound of alkali-free glass fiber direct roving used for wind energy fabric - Google Patents

Treating compound of alkali-free glass fiber direct roving used for wind energy fabric Download PDF

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CN101734869B
CN101734869B CN2009101556574A CN200910155657A CN101734869B CN 101734869 B CN101734869 B CN 101734869B CN 2009101556574 A CN2009101556574 A CN 2009101556574A CN 200910155657 A CN200910155657 A CN 200910155657A CN 101734869 B CN101734869 B CN 101734869B
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treating compound
forming agent
membrane
epoxy resin
agent
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CN101734869A (en
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张毓强
米娜
张燕
费其锋
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Jushi Group Co Ltd
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Abstract

The invention discloses a treating compound of alkali-free glass fiber direct roving used for wind energy fabric, which is composed of coupling agent, lubricating agent, film-forming agent A, film-forming agent B, pH value regulator, antistatic agent and deionized water. The solid quality of the treating compound accounts for 5-10% of the total quality of the treating compound and the balance water; the film-forming agent A adopts epoxy resin emulsion A; the epoxy equivalent weight of the epoxy resin in the epoxy resin emulsion is 180-300; the film-forming agent B adopts epoxy resin emulsion B; and the epoxy equivalent weight of the epoxy resin in the epoxy resin emulsion B is 500-1500. As calculated by solid content, the ratio of each component of the treating compound in the solid quality of the treating compound is as follows: 5-13% of coupling agent, 5-15% of lubricating agent, 10-75% of film-forming agent A, 10-75% of film-forming agent B, 65-85% of film-forming agent A and film-forming agent B, 0.5-2% of antistatic agent and 1-5% of pH value regulator. The treating compound in the invention has good compatibility and permeability with epoxy resin, can improve the mechanical property of the products and satisfy the requirements of markets and application.

Description

Wind energy fabric is with the treating compound of the direct yarn of alkali-free glass fiber
(1) technical field
The present invention relates to a kind of glass-fiber reinforced thermo-setting resin technology, particularly a kind of wind energy fabric is with the treating compound of the direct yarn of alkali-free glass fiber.
(2) background technology
Wind-power electricity generation because of can replace limited resources and than other large-scale renewable energy resources such as sun power, give birth to that raw material, waterpower etc. have more price advantage so in good graces, develop very rapid.Fan Equipment is the major portion of wind-powered electricity generation project investment, accounts for 60%-80%, and blade is the main part of Fan Equipment.The design of blade and selection decision power generation performance and power, wind blade has been 100% multiple section product at present, this has determined multiple material industry to become the hinge status in the wind power generation plant.Rugged environment and ceaselessly running for a long time have the requirement of blade: light specific gravity and have best fatigue strength and mechanical property, can stand the test of exceedingly odious condition such as storm wind and random load; Inertia and vibrational frequency rational curve thereof when the elasticity of blade, rotation are all normal, and the steady load property that passes to the whole generating system is good; The performance of corrosion-resistant, uviolizing and thunderbolt is good; Cost of electricity-generating is lower, and maintenance cost is minimum.
The material that select today is in the majority with E-glass reinforced plastics (GFRP), has begun to adopt carbon-fibre composite (CFRP) at present, and research shows that thomel (carbon fiber is called for short CF) composite material blade rigidity is two to three times of glass reinforced plastic combined blade.Though the performance of carbon-fibre composite is superior to glass fiber compound material greatly, costs an arm and a leg, influenced its widespread adoption on wind-power electricity generation.So adopt the theme of spun glass enhanced FRP material conduct wind energy field application at present and research.
Selectivity as each structural part of wind blade strengthens, and generally need be processed into unidirectional or multi-axial fabric to spun glass.Therefore the glass yarn at first need possess good weaving performance, like requirements such as low filoplumes in the weaving process.In addition, need to be fit to the moulding process of present wind blade main flow: promptly good with the epoxy matrix resin consistency, seepage velocity is fast, is fit to the vacuum assisted resin pouring and forming process.Most importantly require fiberglass products to possess excellent mechanical property.General property requires (glass fiber content is 65%) as follows:
Tensile property (according to the ASTMD2343 testing method): tensile strength >=2400MPa, tensile modulus >=79GPa;
Cutting performance (according to the ISO3597 testing method): shearing resistance >=55MPa, shearing modulus >=26GPa;
Bending property (according to the ISO3597 testing method): flexural strength >=950MPa, modulus in flexure >=35GPa;
Compression performance (according to the ISO3597 testing method): compressive strength >=650MPa;
Adopting under the constant prerequisite of E glass ingredient for this reason, needing through a kind of novel treating compound of development: ability and epoxy resin to possess good consistency, improve interface bonded effect, to reach the requirement of mechanical property standard.
(3) summary of the invention
Technical problem to be solved by this invention provides the treating compound of a kind of wind energy fabric with the direct yarn of alkali-free glass fiber; The direct roving that adopts this treating compound to produce; Not only possesses excellent weaving performance; And requirement can, good penetrability good with epoxy resin compatibility property, and can make the mechanical property of goods high, satisfies the requirement of standard.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of wind energy fabric is with the treating compound of the direct yarn of alkali-free glass fiber; Said treating compound is processed by coupling agent, lubricant, membrane-forming agent A, membrane-forming agent B, pH value regulator, static inhibitor and deionized water; The solid masses of said treating compound accounts for 5~10% of treating compound total mass, and surplus is water (water that comprises raw material self band adds the deionized water that the preparation treating compound adds); Said coupling agent adopts silane coupling agent; Said lubricant adopts water miscible PEG series lubricant agent; Said membrane-forming agent A adopts epoxy resin latex A, and the epoxy equivalent (weight) of the epoxy resin among the said epoxy resin latex A is 180~300; Said membrane-forming agent B adopts epoxy resin latex B, and the epoxy equivalent (weight) of the epoxy resin among the said epoxy resin latex B is 500~1500; Said static inhibitor adopts water miscible organic salt static inhibitor; Said pH value regulator adopts acid; Each component of said treating compound is following in the ratio that its solid content accounts for the treating compound solid masses:
Coupling agent 5~13%
Lubricant 5~15%
Membrane-forming agent A 10~75%
Membrane-forming agent B 10~75%
Membrane-forming agent A+ membrane-forming agent B 65~85%
Static inhibitor 0.5~2%
PH value regulator 1~5%
Further, each component is following in the ratio that its solid content accounts for the treating compound solid masses in the preferred said treating compound of the present invention:
Coupling agent 7~12%
Lubricant 8~12%
Membrane-forming agent A 20~50%
Membrane-forming agent B 21~51%
Membrane-forming agent A+ membrane-forming agent B 71~80%
Static inhibitor 0.5~1.5%
PH value regulator 2~4%
The pH value of treating compound according to the invention is 2~8, and preferred pH value is 3~7.
Coupling agent of the present invention generally adopts silane coupling agent, and the available product grade of the silane coupling agent that the present invention is suitable for has A-172, A-174, A-1100, A-187 etc.The effect of coupling agent; Not only at drawing process protection fiber; And with the matrix resin coupling, play the coupled action between spun glass and matrix resin, be the key that influences glass fiber strength and glass fiber reinforced plastics product intensity therefore; Suitable coupling agents is selected, and can make the FRP product of producing have better mechanical property.In treating compound, the usage quantity of silane coupling agent generally accounts for 3~20% of treating compound solid masses, for guaranteeing that enough content is arranged, plays protection fiber and coupled action.The consumption of preferred silane coupling agent of the present invention is 5~13% of a treating compound solid masses, more preferably 7~12%.
The lubricant that the present invention uses can adopt water miscible organic cpds, and PEG series lubricant agent particularly is like PEG400, PEG600, PEG1000, PEG3000 etc.The general usage quantity that adopts is 3~20% of a treating compound solid masses; The consumption of lubricant is standard to satisfy spun glass at the lubricant effect of wire drawing, aftertreatment, use; Designing principle be enough just can, too many lubricant can influence the bond effect between precursor, and can influence the mechanical property of final glass fiber reinforced plastics product; The consumption of the preferred said lubricant of the present invention is 5~15% of a treating compound solid masses, more preferably 8~12%.
Membrane-forming agent A of the present invention, membrane-forming agent B play the protection fiber as the staple of treating compound, and the physical strength of end article are played decisive influence.Common available membrane-forming agent has epoxies emulsion, polyester emulsion etc.Need in above several types of membrane-forming agents, to select suitable kind.General membrane-forming agent relatively more commonly used cooperates (membrane-forming agent A/ membrane-forming agent B): epoxy/epoxy, epoxy/polyester, polyester/polyester.In order to improve the consistency with epoxy resin; Reach the high requirement of physical strength; The present invention adopts the cooperation of epoxy/epoxy, promptly adopts two kinds of epoxy resin latex combinations to use, and wherein the equivalent of the epoxy resin among the epoxy resin latex A is less relatively; Generally can be 180~300, preferred equivalent is 200~300; The equivalent of epoxy resin is relatively large among the epoxy resin latex B, generally can be 500~1500, and preferred equivalent is 500~800.The consumption of preferred epoxy latex A of the present invention is counted 20~50% of treating compound solid masses with its solid content; The consumption of preferred epoxy emulsion B is counted 21~51% of treating compound solid masses with its solid content, and total consumption of preferred epoxy latex A and epoxy resin latex B is counted 71~80% of treating compound solid masses with their solid content.The present invention adopts different normal epoxy emulsions collocation to use, and mainly be the convergency of considering glass fiber yarn, and yarn matter, impregnability: generally use the little emulsion of epoxy equivalent (weight), corresponding glass yarn matter is soft, and the convergency difference is a little; And use the big emulsion of epoxy equivalent (weight), and corresponding glass yarn matter is hard, and convergency is good, impregnability is slightly poor.Both uses of arranging in pairs or groups can be played the wear resistance that improves spun glass, improve impregnability, improve the effect of physical strength.Such combination can guarantee spun glass and epoxy resin possess good soak into, superior mechanical strength.Epoxy resin latex of the present invention can use the commercial goods.
Static inhibitor of the present invention adopts water-soluble organic salt static inhibitor; Described organic salt static inhibitor can use organic quaternary ammonium salt class, tetrahydroglyoxaline etc.; The organic salt static inhibitor can use the commercial goods, can select the commodity of models such as 1631,1827,1227 for use such as described organic quaternary ammonium salt.Static inhibitor is coated in the glass surface, can form conductive path, thereby eliminate the static that spun glass produces in fabrication processes through absorbing the moisture of air, and is too many but consumption is difficult for, otherwise can cause product to be prone to the moisture absorption, influences the mechanical property of end article.The usage quantity of the preferred described static inhibitor of the present invention is 0.5~1.5% of a treating compound solid masses.
Acid is adopted in pH regulator agent of the present invention, organic acid or mineral acid all can, as using Hydrocerol A, acetic acid, formic acid, acetate, boric acid etc., preferred acetic acid.The dispersion of the coupling agent in the treating compound need hydrolysis under certain pH condition, the kind of specifically seeing coupling agent with disperse requirement.The treating compound for preparing, general requirement are in certain pH range storage and use, and the scope of pH value generally can be 2~8, the sour environment of common meeting between 3~7.
Wind energy fabric of the present invention may further comprise the steps with the compound method of the treating compound of the direct yarn of alkali-free glass fiber: in a clean container, add half total amount deionized water; And then the amount of acid in the adding treating compound composition; Fully stir after 3~5 minutes; Slowly add the silane coupling agent in the treating compound composition again, continue to stir 25~30 minutes; Lubricant in the treating compound composition is fully adding container behind the agitation and dilution in 3 times of warm deionized waters to its amount (40~50 ℃); Membrane-forming agent A, membrane-forming agent B adopt 3 times of water of film forming dosage to advance dilution respectively in the treating compound composition; Static inhibitor in the treating compound composition adopts in 3 times of hot deionized waters to its amount (80~90 ℃) and fully adds container behind the agitation and dilution; If treating compound pH value can not reach optimum range; Add an amount of acid and adjust and stir, reach optimum range until the pH value.
The L.O.I of the spun glass of the present invention (combustible content of spun glass; Be that treating compound is coated with the ratio that the amount that is attached on the spun glass accounts for the spun glass quality; Down with) generally be controlled at 0.5~1.0%, concrete value need be according to the performance of raw material itself, the performance index and the experiment test result that reach from product needed; L.O.I is at the product of 0.5~0.9% production, and physical strength can meet the demands.
Compared with prior art, treating compound of the present invention can, good penetrability good with epoxy resin compatibility property, and can make the mechanical property of goods high, thereby satisfies market and application demand.
(4) embodiment
Below through embodiment the present invention is carried out brightly specifically, but content of the present invention does not receive any restriction of following examples.
Each component of treating compound that the embodiment of the invention is used is following:
Said coupling agent uses epoxy silane coupling, and product grade is A-187;
Said lubricant uses PEG1000;
Said membrane-forming agent A uses epoxy resin latex A, the trade mark: Neoxil 965D (manufacturer: Dutch DSM N. V.);
Said membrane-forming agent B adopts epoxy resin latex B, and the trade mark is a DSM JS129 (manufacturer: Dutch DSM N. V.);
Said static inhibitor adopts organic quaternary ammonium salt 1631;
Said pH value regulator adopts acetic acid.
In the embodiment of the invention, the content of water accounts for 95% of treating compound total mass, is the instance and the test result of some prescriptions below, and numerical value wherein is each component accounts for the treating compound solid masses in its solid content per-cent.
Figure G2009101556574D00061
Figure G2009101556574D00071
From above prescription test case, we can therefrom find out, through design to component and component concentration, and the treating compound that we can obtain meeting the requirements, wherein better with instance 3,4,5 effects especially.
The embodiment of the invention is according to the technical characterstic of wind energy fabric with the direct yarn of alkali-free glass fiber, and through the selection of treating compound raw material, optimization of formulation adopts suitable spun glass production technique, produces the direct yarn product of the alkali free glass fibre that satisfies this field demand.

Claims (9)

1. a wind energy fabric is with the treating compound of the direct yarn of alkali-free glass fiber; It is characterized in that said treating compound processed by coupling agent, lubricant, membrane-forming agent A, membrane-forming agent B, pH value regulator, static inhibitor and deionized water; The solid masses of said treating compound accounts for 5~10% of treating compound total mass, and surplus is a water; Said coupling agent adopts silane coupling agent; Said lubricant adopts water miscible PEG series lubricant agent; Said membrane-forming agent A adopts epoxy resin latex A, and the epoxy equivalent (weight) of the epoxy resin among the said epoxy resin latex A is 180~300; Said membrane-forming agent B adopts epoxy resin latex B, and the epoxy equivalent (weight) of the epoxy resin among the said epoxy resin latex B is 500~1500; Said static inhibitor adopts water miscible organic salt static inhibitor; Said pH value regulator adopts acid; Each component of said treating compound is following in the ratio that its solid content accounts for the treating compound solid masses:
Coupling agent 5~13%
Lubricant 5~15%
Membrane-forming agent A 10~75%
Membrane-forming agent B 10~75%
Membrane-forming agent A+ membrane-forming agent B 65~85%
Static inhibitor 0.5~2%
PH value regulator 1~5%.
2. wind energy fabric according to claim 1 is characterized in that with the treating compound of the direct yarn of alkali-free glass fiber: each component is following in the ratio that its solid content accounts for the treating compound solid masses in the said treating compound:
Coupling agent 7~12%
Lubricant 8~12%
Membrane-forming agent A 20~50%
Membrane-forming agent B 21~51%
Membrane-forming agent A+ membrane-forming agent B 71~80%
Static inhibitor 0.5~1.5%
PH value regulator 2~4%.
3. wind energy fabric according to claim 1 is characterized in that with the treating compound of the direct yarn of alkali-free glass fiber: the pH value of said treating compound is 2~8.
4. wind energy fabric according to claim 3 is characterized in that with the treating compound of the direct yarn of alkali-free glass fiber: the pH value of said treating compound is 3~7.
5. according to the treating compound of the described wind energy fabric of one of claim 1~4 with the direct yarn of alkali-free glass fiber, it is characterized in that: said silane coupling agent is selected from the product of the following trade mark: A-172, A-174, A-1100, A-187.
6. according to the treating compound of the described wind energy fabric of one of claim 1~4 with the direct yarn of alkali-free glass fiber, it is characterized in that: described PEG series lubricant agent is selected from one of following: PEG400, PEG600, PEG1000, PEG3000.
7. according to the treating compound of the described wind energy fabric of one of claim 1~4 with the direct yarn of alkali-free glass fiber, it is characterized in that: described organic salt static inhibitor is selected from one of following: organic quaternary ammonium salt class, tetrahydroglyoxaline.
8. wind energy fabric according to claim 7 is characterized in that with the treating compound of the direct yarn of alkali-free glass fiber: described organic quaternary ammonium salt class static inhibitor is selected from the commodity of following model: 1631,1827,1227.
9. according to the treating compound of the described wind energy fabric of one of claim 1~4 with the direct yarn of alkali-free glass fiber, it is characterized in that: described pH value regulator is selected from one of following: Hydrocerol A, acetic acid, formic acid, acetate, boric acid.
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* Cited by examiner, † Cited by third party
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CN105036572A (en) * 2015-06-30 2015-11-11 四川航天五源复合材料有限公司 Preparation method of stable basalt continuous fiber impregnating compound
CN104944804A (en) * 2015-06-30 2015-09-30 四川航天五源复合材料有限公司 Wetting agent for basalt fibers
CN105330175A (en) * 2015-10-13 2016-02-17 巨石集团有限公司 Fiber reinforced plastics oil suction rod alkali-free glass fiber direct roving impregnation agent
CN105731828B (en) * 2016-01-14 2019-06-21 上海氟聚化学产品股份有限公司 A kind of filtering material alkali-free glass fibre size
CN106316157B (en) * 2016-08-26 2018-11-30 巨石集团有限公司 A kind of fiberglass braided size with direct yarn
CN108330691A (en) * 2018-02-12 2018-07-27 巨石集团有限公司 A kind of insulator direct roving sizing agent and its preparation method and application
CN112390541A (en) * 2020-12-14 2021-02-23 南通天和树脂有限公司 High-equivalent-weight epoxy impregnating compound and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4448910A (en) * 1983-04-25 1984-05-15 Owens-Corning Fiberglas Corporation Aqueous compositions for sizing glass fibers containing emulsified epoxy resin and chloropropylsilane
CN1923740A (en) * 2006-09-13 2007-03-07 中材科技股份有限公司 Enhancement soakage agent for thin glass fiber bulked yarn
CN101092291A (en) * 2007-06-12 2007-12-26 巨石集团有限公司 High performance jetting treating compound for twistless roving
CN101391867A (en) * 2008-10-06 2009-03-25 巨石集团有限公司 Sizing agent special for ultra-low adsorption resin concentration chopped roving

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4448910A (en) * 1983-04-25 1984-05-15 Owens-Corning Fiberglas Corporation Aqueous compositions for sizing glass fibers containing emulsified epoxy resin and chloropropylsilane
CN1923740A (en) * 2006-09-13 2007-03-07 中材科技股份有限公司 Enhancement soakage agent for thin glass fiber bulked yarn
CN101092291A (en) * 2007-06-12 2007-12-26 巨石集团有限公司 High performance jetting treating compound for twistless roving
CN101391867A (en) * 2008-10-06 2009-03-25 巨石集团有限公司 Sizing agent special for ultra-low adsorption resin concentration chopped roving

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李伟.无碱玻璃纤维增强纺织型浸润剂的研制与应用研究.《中国优秀硕士学位论文全文数据库工程科技I辑》.2007,第39页. *
梁平辉.玻璃纤维浸润剂用水基环氧树脂.《玻璃钢/复合材料》.1997,(第1期),44-51. *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102745908A (en) * 2012-08-06 2012-10-24 四川省玻纤集团有限公司 Reinforcing yarn size for glass fibers and preparation method thereof
CN102745908B (en) * 2012-08-06 2014-08-27 四川省玻纤集团有限公司 Reinforcing yarn size for glass fibers and preparation method thereof

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