CA2083088C - Polishes for hard surfaces - Google Patents

Polishes for hard surfaces

Info

Publication number
CA2083088C
CA2083088C CA002083088A CA2083088A CA2083088C CA 2083088 C CA2083088 C CA 2083088C CA 002083088 A CA002083088 A CA 002083088A CA 2083088 A CA2083088 A CA 2083088A CA 2083088 C CA2083088 C CA 2083088C
Authority
CA
Canada
Prior art keywords
polish
room temperature
organopolysiloxanes
solid
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002083088A
Other languages
French (fr)
Other versions
CA2083088A1 (en
Inventor
Johann Sejpka
Franz Wimmer
Annemarie Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wacker Chemie AG
Original Assignee
Wacker Chemie AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6447764&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2083088(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wacker Chemie AG filed Critical Wacker Chemie AG
Publication of CA2083088A1 publication Critical patent/CA2083088A1/en
Application granted granted Critical
Publication of CA2083088C publication Critical patent/CA2083088C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/02Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09GPOLISHING COMPOSITIONS; SKI WAXES
    • C09G1/00Polishing compositions
    • C09G1/04Aqueous dispersions
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09GPOLISHING COMPOSITIONS; SKI WAXES
    • C09G1/00Polishing compositions
    • C09G1/06Other polishing compositions
    • C09G1/14Other polishing compositions based on non-waxy substances
    • C09G1/16Other polishing compositions based on non-waxy substances on natural or synthetic resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2383/00Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
    • C08J2383/04Polysiloxanes

Abstract

Polishes for hard surfaces that are essentially free of organic solvent comprising organopolysiloxanes which are solid at room temperature.

Description

20830~8 Docket: WA 9133-S
Paper No. 1 , I

pOT.T.~ FOR HARD SURFA OE S
The invention relates to aqueous polishes which are essen-tially free of organic solvents and more particularly to aqueous polishes for hard surfaces which contain organopolysiloxanes.

Bac~ r Uu~ld of the Invention Polishes for hard surfaces, for example for automotive bod-ies, based on organopolysiloxanes are already known. For example, the review article by Engineer P. Preiss in Seifen - ole -Fette -Wachse - vol. 102, No. 1/1976, page 20-22. In DE 3,409,320 A
(Hoechst AG, issued on September 19, 1985), an automotive polish is described which contains a salt of a long-chain fatty amine.
In DE 3,616,575 A (Dow Corning Ltd., issued on November 20, 1986) and the corresponding US 4,743,648, a polish in the form of a water-in-oil emulsion is disclosed which contains a polydiorgano-siloxane/polyoxyalkylene copolymer. In US 4,398,953 (Borden Inc., issued on August 16, 1983), an oil-in-water emulsion containing silicone oil and amino-functional silicones is claimed as a polish. All of the above publications disclose the use of organic solvents.
However, measures for environmental protection, make it increasingly necessary to avoid organic solvents in chemical pre-parations. Moreover, organic solvents are often undesirable, due to their toxicological properties and their fire risk.
Therefore, it is an object of the present invention to provide organopolysiloxane-based polishes which are essentially free of organic solvents.

Summary of the Invention The foregoing object and others which will become apparent from the following description are accomplished in accordance with this invention, generally speaking, by providing polishes for hard surfaces which are essentially free of organic solvents and can be prepared using organopolysiloxanes which are solid at room temp-erature. ~

Detailed descri~tion of the Invention The polishes of this invention preferably do not contain any organic solvents; however, it is possible for them to contain small amounts, such as for example, up to at most 2% by weight, based on the total weight of the polish, of organic solvent, such as, for example, a solvent which serves as a preservative.
The organopolysiloxanes which are used in this invention and are solid at room temperature and are preferably selected from the group consisting of (A) organopolysiloxanes which are solid at room temperature and comprise units of the formula Ra(RlO)bSiO(4-a-b)/2 (I) in which each R can be the same or different and represents monovalent hydrocarbon radicals, each Rl can be the same or different and represents a hydrogen atom or a hydrocarbon radical, a is 0, 1, 2 or 3, with an average of from 0.75 to 1.5, and more preferably with an average of from 0.9 to 1.1, and b is 0, 1, 2 or 3, with an average of from 0.0 to 1.1 and more preferably with an average of from 0.01 to 0.07, with the proviso that the sum of a+b is smaller than or equal to 3, (B) linear organopolysiloxanes which are solid at room tempera-ture and have the formula R23Sio(siR22o)rsiR23 (II) in which each R2 can be the same or different and represents monovalent hydrocarbon radicals and r is an integer having a value from 0 to 100, preferably from 0 to 70, with the pro-viso that at least one radical R2 in formula (II) represents a hydrocarbon radical having at least 18 carbon atoms, and (C) cyclic organopolysiloxanes of the formula (R32Sio)3 (III) in which each R3 can be the same or different and represents a hydrocarbon radical.
It is understood, that room temperature means a temperature of 20C.
The radical R is preferably a hydrocarbon radical having 1 to 18 carbon atom(s), in which the methyl radical is the preferred radical.

~- 2083088 Examples of radicals R are alkyl radicals, such as the methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, tert-butyl, n-pentyl, iso-pentyl, neo-pentyl and tert-pentyl radicals:
hexyl radicals such as the n-hexyl radical; heptyl radicals, such as the n-heptyl radical; octyl radicals, such as the n-octyl radical and iso-octyl radicals, such as the 2,2,4-trimethylpentyl radical: nonyl radicals, such as the n-nonyl radical: decyl radi-cals, such as the n-decyl radical: dodecyl radicals, such as the n-dodecyl radical; alkenyl radicals, such as the vinyl and allyl radicals; cycloalkyl radicals, such as the cyclo-pentyl, cyclo-hexyl and cycloheptyl radicals and methylcyclohexyl radicals; aryl radicals, such as the phenyl, naphthyl, anthryl and phenanthryl radicals; alkaryl radicals, such as o-, m- and p-tolyl radicals, xylyl radicals and ethylphenyl radicals; and aralkyl radicals, such as the benzyl radical and the ~- and ~-phenylethyl radicals.
The radical R1 is preferably a hydrogen atom or a hydrocarbon radical having from 1 to 4 carbon atom(s), in which the methyl radical is the preferred radical.
Examples of hydrocarbon radicals represented by R1 are the examples of hydrocarbon radicals having from 1 to 4 carbon atom(s) specified for R.
The preparation of the organopolysiloxanes which are used in this invention and are solid at room temperature is known and des-cribed, for example, in GB 685,173 A (issued on December 31, 1951, Dow Corning Ltd.), US 2,842,521 (issued on July 8, 1958, Wacker-Chemie GmbH), FR 1,475,709 A (issued on April 7, 1967, General Electric Co.), US 3,668,180 (issued on June 6, 1972, Stauffer-Wacker-Silicone Corp.) US 3,792,071 (issued on February 12, 1974, Wacker-Chemie GmbH), US 3,846,358 (issued on November 5,1974, General Electric Co.) and US 4,298,753 (issued on November 3, 1981, Wacker-Chemie GmbH).
The organopolysiloxanes which are solid at room temperature and comprise units of formula (I) are preferably organopolysilox-anes containing (RSio3/2) units and organopolysiloxanes containing (R3SiOl/2) and (si4/2) units where R is the same as above.
The radical R2 is preferably a hydrocarbon radical having from 1 to 20 carbon atom(s).

Examples of radicals represented by R2 are alkyl radicals, such as a methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, tert-butyl, n-pentyl, iso-pentyl, neo-pentyl and tert-pentyl radicals; hexyl radicals such as the n-hexyl radical;
heptyl radicals, such as the n-heptyl radical; octyl radicals, such as the n-octyl radical and iso-octyl radicals, such as the 2,2,4-tri-methylpentyl radical; nonyl radicals, such as the n-nonyl radical; decyl radicals, such as the n-decyl radical;
dodecyl radicals, such as the n-dodecyl radical; octadecyl radicals, such as the n-octadecyl radical; n-eicosyl radical, alkenyl radicals, such as the vinyl and allyl radicals; cycloalkyl radicals, such as the cyclopentyl, cyclohexyl and cycloheptyl radicals and methylcyclohexyl radicals; aryl radicals, such as the phenyl, naphthyl, anthryl and phenanthryl radicals; alkaryl radicals, such as o-, m-and p-tolyl radicals, xylyl radicals and ethylphenyl radicals; and aralkyl radicals, such as the benzyl radical and the ~- and ~-phenylethyl radicals.
Preferably, R2 is a methyl radical or an n-octadecyl radical.
Although formula (II), does not disclose the presence of other siloxane units, up to lO mol percent of the diorganosiloxane units can be replaced by other siloxane units, which in most cases are present only as impurities, but are more or less difficult to avoid, such as R23SiOl/2~ R2Sio3/2 and SiO4/2 units, in which R2 is the same as above.
Preferably from lO to 50~, and more preferably from 2S to 50%, and in particular from 35 to 50%, of the number of R2 radi-cals in the organopolysiloxane of formula (II) are hydrocarbon radicals having at least 18 carbon atoms. The remaining radicals are preferably methyl radicals, since those are more readily available.
Examples of organopolysiloxanes of formula (II) which are used in this invention and are solid at room temperature are n-cl8H37(cH3)2sio[(cH3)2sio]msi(cH3)2n-clgH37~ in which m is 0 or a number from l to 8, and (cH3)3sio-rcH3si(n-cl8H37)o]o[(cH3)2sio]p-si(cH3)3~ in which o is a number of from l to 65 and p is a number of from 1 to 60, with the proviso that o is greater than or equal to p.

Preferably, the organopolysiloxAnec of formula (II) which are used in this invention and are solid at room temperature are (CH3)3SiO-[CH3Si-(n-ClgH37)O]O-Si(CH3)3, in which o is a number of from 55 to 65.
The organopolysiloxanes of formula (II) which are used in this invention and are solid at room temperature have a molecular weight of, preferably, at least 1,000, and more preferably from 10,000 to 20,000.
The organopolysiloxanes of formula (II) which are used in this invention and are solid at room temperature preferably have a wax-like consistency and a melting point of between 30 and 60C.
Organopolysiloxanes of formula (II) which are solid at room temperature and processes for their preparation are well known in the art.
The radical R3 is preferably a hydrocarbon radical having from 1 to 4 carbon atom(s), in which the methyl radical is the preferred radical.
Examples of radical R3 are the examples of hydrocarbon radi-cals having 1 to 4 carbon atom(s) specified for R.
The organopolysiloxane of formula (III) is preferably hexa-methylcyclotrisiloxane.
The polishes of this invention are preferably prepared using organopolysiloxanes which are solid at room temperature and com-prise units of formula (I) or organopolysiloxanes of formula (II) which are solid at room temperature or mixtures thereof.
To prepare the polishes of this invention, the organopoly-siloxanes which are solid at room temperature are used in amounts of, preferably, from 0.1 to 5.0% by weight, and more preferably from 0.5 to 2.0% by weight, based on the total weight of the polish of this invention.
Preferably, the polishes of this invention are prepared by using organopolysiloxanes which are solid at room temperature in the form of an aqueous emulsion. Aqueous emulsions of organopoly-siloxanes which are solid at room temperature are already known.
See, for example, CA-A 1,205,937, (issued June 10, 1986, F.Traver, General Electric Co.) and DE 3,836,830 A (Wacker-Chemie GmbH;
issued May 17, 1990) and corresponding US 5,039,724, (issued August 13, 1991).

If an organopolysiloxane which is solid at room temperature and contains units of formula (I) is used in preparing the pol-ishes of this invention, the emulsion is preferably prepared by the proc~l7re described in the publication DE 3,836,830 A, cited above. According to this publication, the organopolysiloxane which is solid at room temperature and contains units of formula (I) is dissolved in a low-molecular-weight organopolysiloxane which is liquid at room temperature, and the solution is emulsi-fied using water and adding an emulsifier and, if desired, addi-tional substances. The solution of the organopolysiloxane which is solid at room temperature in the organopolysiloxane which is liquid at room temperature and the emulsifying step can be carried out in mixing apparatuses which are generally used in the prepara-tion of emulsions.
The low-molecular-weight organopolysiloxane preferably used is liquid at room temperature and comprises units of the general formula R4C(R5o)dsio(4-c-d)/2 (IV) in which each R4 is the same or different and is the same as R, each R5 is the same or different and is the same as Rl, c is 0, l, 2, or 3, with an average of from 0 to 2, and more preferably with an average of from l to 2, d is 0, l, 2 or 3, with an average of from 0 to 2, and more preferably with an average of from 0 to l, with the proviso that the sum of c+d is less than or equal to 3.
These low-molecular-weight organopolysiloxanes which are liquid at room temperature and contain units of formula (IV) pre-ferably have 2 to 6 Si atoms per molecule and a viscosity at 25C
of, preferably, 0.65 to 7.00 mm2/s, and more preferably from 2.00 to 4.00 mm2/s.
Examples of low-molecular-weight organopolysiloxanes which are liquid at room temperature are octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, octaphenylcyclotetrasiloxane, tetra-ethoxytetramethylcyclotetrasiloxane and hexamethyldisiloxane, in which octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane and hexamethyldisiloxane are preferred and octamethylcyclotetra-siloxane and hexamethyldisiloxane are more preferably used.

~ To prepare the aqueous emulsion used in this invention, the organopolysiloYAn~s which are solid at room temperature and the low-molecular-weight organopolysiloxane which is liquid at room temperature are preferably used in amounts of from 25 to 90~ by weight, and more preferably from 35 to 65% by weight, and in particular from 40 to 60% by weight, based on the total weight of the organopolysiloxane which is solid at room temperature and con-tains units of formula (I).
In the preparation of the aqueous emulsions used in this invention, containing organopolysiloxanes which are solid at room temperature, any known ionic and non-ionic emulsifiers which have been or could have been used heretofore to prepare stable aqueous emulsions of organopolysiloxanes can be used as emulsifiers either individually or as mixtures of various emulsifiers. It is also possible to use those emulsifiers such as described in DE 3,613,384 C and corresponding US 4,757,106. Preferably, non-ionic and cationic emulsifiers are used. Of these, fatty alcohol polyglycol ethers, nonylphenol polyglycol ethers, tri-n-butyl-phenol polyglycol ethers and quaternary ammonium salts of satura-ted and unsaturated fatty acids are preferably used.
The aqueous emulsions used in this invention containing organopolysiloxanes which are solid at room temperature and con-tain units of formula ~I) contain the emulsifier in amounts of, preferably, from 2 to 8% by weight, and more preferably from 3 to 5~ by weight based on the total weight of the organopolysiloxane which is solid at room temperature and the organopolysiloxane which is liquid at room temperature.
The aqueous emulsions used in this invention containing the organopolysiloxanes which are solid at room temperature and con-tain units of formula (I), have a solids content of, preferably from 10 to 50% by weight, and more preferably from 15 to 42% by weight, based on the total weight of the emulsion.
If an organopolysiloxane of formula (II) which is solid at room temperature is used for preparing the polishes of this inven-tion, the emulsion is advantageously prepared by melting the organopolysiloxane of the formula (II) which is solid at room temperature and emulsifying it in liquid form using water and an emulsifier and, if desired, additional subst~nces.

The temperature nece~C~ry for melting ~p~n~c on the organo-polysiloxane used of formula (II) and is preferably between 20 and 60-C, and more preferably between 40 and 50C.
The melt is emulsified by processes known in the art. The emulsifiers which can be used are the emulsifiers already descri-bed above, of which fatty alcohol polyglycol ether and nonylphenol polyglycol ether are preferred and fatty alcohol polyglycol ether is particularly preferred.
The aqueous emulsions used in this invention comprising organopolysiloxanes of formula (II) which are solid at room temp-erature, contain an emulsifier in amounts of, preferably, from 3 to 10% by weight, and more preferably from 4 to 6% by weight, based on the total weight of the organopolysiloxane which is solid at room temperature.
The aqueous emulsions of this invention containing the organ-opolysiloxanes of formula (II) which are solid at room temperature have a solids content of, preferably from 25 to 50% by weight, and in particular from 30 to 45% by weight, based on the total weight of the emulsion.
Emulsions containing organopolysiloxanes of formula (II) which are solid at room temperature can of course also be prepared by the procedure of DE 3,836,830 A, described above for organo-polysiloxanes comprising units of formula (I); however, this is not the preferred procedure.
If an organopolysiloxane of formula (III) which is solid at room temperature is used in the preparation of the polishes of this invention, the preparation of the emulsion is preferably carried out in accordance with the procedure described above for the organopolysiloxane of formula (II).
Furthermore, it is possible to use organopolysiloxanes which are liquid at room temperature for preparing the polish of this invention. These organopolysiloxanes can be low-molecular-weight organopolysiloxanes containing units of formula (IV), preferably those having a viscosity at 25C of from 0.65 to 7.00 mm2/s and more preferably those having a viscosity of 2.00 to 4.00 mm2/s.
~he organopolysiloxanes which are liquid at room temperature are preferably used in the form of an aqueous emulsion. It is possible to emulsify them individually by processes known in the 2083~88 - art. The emulsions of organopolysiloYAnes which are liquid atroom temperature preferably have a solids content of from 10 to 60% by weight, and more preferably from 30 to 45% by weight, and an emulsifier content of preferably from 2 to 10% by weight, and more preferably from 3 to 6% by weight, based on the total weight of the emulsion.
The organopolysiloxanes which are liquid at room temperature can also be emulsified together with the organopolysiloxanes used according to this invention which are solid at room temperature, by the procedure described above.
If an organopolysiloxane which is liquid at room temperature is additionally used for preparing the polishes of this invention, it is preferably used in amounts of from 0.1 to 2.0% by weight, and more preferably from o.l to 1% by weight, based on the total weight of the polish.
Depending on the intended use, the polish of this invention can contain additives, such as, for example, non-silicon-contain-ing waxes, thickeners, abrasives, preservatives and additives.
Examples of non-silicon-containing waxes are natural waxes of vegetable origin, such as carnauba wax and candelilla wax, mon-tanic acid and montanic ester waxes, partially oxidized synthetic paraffins, polyethylene waxes, polyvinyl ether waxes and wax con-taining metallic soap, of which carnauba wax, paraffin waxes and polyethylene waxes are preferred and paraffin waxes are particu-larly preferred.
If waxes are used for preparing the polish of this invention, they are preferably used in amounts of from 0.1 to 2.0% by weight, and more preferably from 0.1 to 1.0% by weight, based on the total weight of the polish.
Examples of thickeners are homopolysaccharides, heteropoly-saccharides, polyacrylates, carboxy- and hydroxymethylcellulose, of which polysaccharides and polyacrylates are preferred and poly-saccharides are particularly preferred.
If thickeners are used for preparing the polish of this 3~ invention, they are preferably used in amounts of from 0.1 to 1.5%
by weight, and more preferably from 0.3 to 0.6% by weight, based on the total weight of the polish.

Examples of abrasives are polishing clay, so-called siliceous chalk, pyrogenic silica and natural kieselguhr, such as, for example, "Snow Floss" from Lehmann & Foss, of which siliceous chalk and polishing clay are particularly preferred.
If abrasives are used for preparing the polish of this inven-tion, they are preferably used in amounts of from 1 to 10% by weight, and more preferably from 3 to 5~ by weight, based on the total weight of the polish.
Examples of preservatives are formaldehyde, parabenes, benzyl alcohol, salicylic acid and salts thereof, benzoic acid and salts thereof and isothiazolinones, of which formaldehyde and isothia-zolinones are preferred and formaldehyde is particularly pre-ferred.
If preservatives are used for preparing the polish of this invention, they are preferably used in amounts of from 0.01 to 0.30% by weight, and more preferably from 0.05 to 0.10% by weight, based on the total weight of the polish.
Examples of additives are scents and dyes.
If additives are used for preparing the polish of this inven-tion, they are preferably used in amounts of from 0.01 to 0.20% by weight, and more preferably from 0.05 to 0.10~ by weight, based on the total weight of the polish.
From each of the groups of substances mentioned above as a possible component for the aqueous polishes of this invention, one substance of this group or a mixture of at least two different substances of this group can be used as a single component in the polishes of this invention.
The polishes of this invention contain water, preferably in amounts of from 85 to 99.9% by weight, and more preferably from 93 to 99.5% by weight, based on the total weight of the polish.
Preferably demineralized water is employed in the polishes of this invention .
The individual components of the polish of this invention can be mixed with one another in any desired manner. Thus, for exam-ple, the additives can be admixed with the organopolysiloxane which is solid at room temperature before the emulsifying step.

`~ However, the additives are preferably mixed with the finished emulsions of organopolysiloxanes which are solid at room tempera-ture and, if desired, of organopolysiloxanes which are liquid at room temperature.
The emulsifying or mixing of the components usable for pre-paring the polishes of this invention is preferably carried out at a temperature of from 20 C to 50C and the pressure of the sur-rounding atmosphere, i.e., between 900 and llO0 hPa. However, it is also possible to use higher or lower temperatures and higher or lower pressures. The emulsifying step can take place in conven-tional mixing apparatuses suitable for the preparation of emul-sions, such as high-speed stator/rotor stirrers of the Professor P. Willems type, such as known under the registered trademark "Ultra-Turrax".
The room temperature consistency of the polishes of this invention ranges from that of a thin liquid to that of a creamy paste.
The polishes of this invention have an emulsion stability of at least two years when properly stored at room temperature.
The present invention also relates to a process for the polish ing treatment of hard surfaces, which comprises applying the polish of this invention to a hard surface.
In the process of this invention, the polish of this inven-tion is applied by spraying, dipping or using a fabric such as cotton or wool, or a sponge, and rubbed in. The polish of this invention has the advantage that it can be easily applied and readily rubbed in.
The hard surfaces to be treated are in particular metallic surfaces, coated surfaces and plastic surfaces. The polish of this invention is highly suitable for the treatment of automotive bodies.
The polishes of this invention have the advantage that they do not contain any organic solvent or contain an organic solvent only in extremely small amounts, for example as preservative.
A further advantage is that excellent weathering and washing resistance can be achieved by means of the polishes of this inven-tion. In order to achieve this effect, it is sufficient to use even small amounts of organopolysiloxanes which are solid at room temperature in preparing the polishes of this invention.

Ilo~eJ~er, the polishes of this invention have the advantage that they are nonflammable, easy to apply and give the treated solid surfaces high color depth and gloss.
In the following examples, all parts and percentages are by weight unless otherwise specified. Furthermore, all viscosities refer to a temperature of 25DC. Unless otherwise stated, the following examples were carried out at the pressure of the sur-ro~1n~in~ atmosphere, i.e., about l000 hPa, and at room tempera-ture, i.e., at about 20 C, or at a temperature which is attained upon combining the reactants at room temperature without addi-tional heating or cooling.
The contact angles were determined in the following manner:
a water droplet having a volume of 0.0l ml is applied to the surface to be tested from a height of 15 mm, and the angle of contact is determined by means of a goniometer (type l00-l0 from Rame-Hart Inc., New Jersey, USA). The measurement is repeated 4 times, and the average value of the 5 measurements is determined.
The measurement of the contact angle on the untreated substrate is used as the blank reading.
In the following examples Me represents the methyl radical and Et represents the ethyl radical.

Example l (A) About 50 parts of an organopolysiloxane which is solid at room temperature and has the formula MeSiOl.47(OEt)0.06 and a molecular weight of 4000 are dissolved in 50 parts of octa-methylcyclotetrasiloxane. The resulting mixture has a vis-cosity of about 150 mm2/s.
About 20 g of a fatty alcohol polyglycol ether emulsifier (commercially available from Hoechst AG under the name "Arkopal'~ are added to 175 g of this organopolysiloxane solution and stirred. This mixture is then emulsified by means of an emulsifying apparatus by adding 305 g of deion-ized water with constant stirring. The resultant aqueous emulsion of an organopolysiloxane which is solid at room temperature has a solids content of 20% by weight, based on the total weight of the emulsion.
~rJ~h ote S t~Ql ~ ~Q~ k-l2-2~)83088 (B) About 25 g of a fatty alcohol polyglycol ether emulsifier (commercially available from Hoechst AG under the name "Genapol" ~are added to 175 g of an organopolysiloxane solu-tion of the formula Me3siotMesi(n-cl8H37)o]6osiMe3 and stirred. This mixture is then emulsified by means of an emulsifying apparatus by adding 300 g of deionized water with constant stirring. The resultant aqueous emulsion of an organopolysiloxane which is solid at room temperature has a solids content of 38% by weight, based on the total weight of the emulsion.
(C) About 15 g of a fatty alcohol polyglycol ether emulsifier (commercially available from Hoechst AG under the name "Genapol" ~ are added to 175 g of trimethylsiloxy-terminated dimethylpolysiloxane having a viscosity of 350 mm2/s (commer-cially available from Wacker-Chemie GmbH, Munich under the name "AK 350") and stirred. This mixture is then emulsified by means of an emulsifying apparatus by adding 310 g of deionized water with constant stirring. The resultant aque-ous emulsion of an organopolysiloxane which is solid at room temperature has a solids content of 37~ by weight, based on the total weight of the emulsion.
About 1.0 g of the emulsion described in (A) above, 2.0 g of the emulsion described in (B) above, 2.0 g of the emulsion described in (C) above, 94.6 g of demineralized water and 0.1 g of a 40% formalin solution are mixed together, and 0.3 g of heteropolysaccharide (commercially available from Jungbunz-lauer Xanthan GmbH, A-Vienna, under the name "Xanthan") is added to this mixture with stirring.
The resultant polish is applied to the body of an automobile having a blank reading of 66 using cotton cloth and rubbed in. After stAnAing for lS minutes at room temperature, a contact angle of 99 is measured. The treated substrate is then sprayed, likewise at room temperature, 4 times, each time with 10 1 of tap water having a temperature of about 6-C
per 100 cm2 of substrate at a distance of 20 cm, for 15 minutes each time. The contact angles are shown in Table 1.
JG ~ O~Jre S t~ ~d~ ~ ~ ~ ~

Spraying time [min] Contact Angle Example 2 About 3.0 g of the emulsion described in Example 1 (A) above, 6.0 g of an emulsion of montan wax in water (commercially available from Hoechst AG under the name "KSE"; solids content: 12%), 91.9 g of demineralized water and 0.1 g of isothiazolinone are mixed together.
The polish thus obtained is applied to the coated body of an automobile having a blank reading of 67 using a cloth and rubbed in.
After st~n~;ng for 15 minutes at room temperature, a contact angle of 94- is measured. The treated substrate is then sprayed, likewise at room temperature, 4 times, each time with 10 1 of tap water having a temperature of about 6C per 100 cm2 of substrate from a distance of 20 cm, for 15 minutes each time. The contact angles are listed in Table 2.

Spraying time [min] Contact Angle Example 3 About 1.0 g of the emulsion described in Example 1 (A) above, 2.0 g of the emulsion described in Example 1 (B) above, 1.0 g of the emulsion described in Example 1 (C) above, 6.0 g of an emulsion of montan wax in water tcommercially available from ~oechct AG under the name "KSE"; solids content: 12%), 86.5 g of demineralized water, 3 g of siliceous earth from Neuburg 208~088 (commercially available from Hoffmann Mineral, Neuburg/
Germany under the name "Silitin") and 0.5 g of heteropoly-saccharide (commercially available from Jul.~Lul.zlauer Xanthan GmbH, A-Vienna, under the name "Xanthan") are mixed together.
A polish in the form of a thick liquid is obtained.
The resultant polish is applied to the coated body of an automobile having a blank reading of 66 using a cloth and rubbed in.
After st~nding at room temperature for 15 minutes, a contact angle of 91 is measured. The treated substrate is then sprayed, likewise at room temperature, 4 times, each time with 10 1 of tap water having a temperature of about 6C per 100 cm2 of substrate from a distance of 20 cm, for 15 minutes each time. The contact angles are listed in Table 3.

Spraying time [min] Contact Angle ~1~o~5 trQJ~ ~ ~k

Claims (9)

1. A polish for hard surfaces which is essentially free of an organic solvent, comprising organopolysiloxanes which are solid at room temperature selected fromthe group consisting of (A) organopolysiloxanes having units of the formula Ra(R1O)bSiO(4 a-b)/2 (I) in which R represents a monovalent hydrocarbon radical having from 1 to 8 carbonatoms, R1 represents a hydrogen atom or a hydrocarbon radical having from 1 to 4carbon atoms, a is 0, 1, 2 or 3, with an average of from 0.75 to 1.5, and b is 0, 1, 2 or 3, with an average of from 0.0 to 1.1 with the proviso that the sum of a+b is less than or equal to 3, (B) linear organopolysiloxanes which are solid at room temperature and having the formula R23SiO(SiR220)rSiR23 (II) in which R2 represents a monovalent hydrocarbon radical having from 1 to 20 carbon atoms and r is an integer having a value of from 0 to 100, with the proviso that at least one radical R2 in formula (II) is a hydrocarbon radical having at least 18 carbon atoms, and (C) cyclic organopolysiloxanes of the formula (R32SiO)3 (III) in which R3 represents a hydrocarbon radical having from 1 to 4 carbon atoms.
2 The polish of claim 1, wherein the organopolysiloxanes which are solid at room temperature are used in amounts of from 0.1 to 5.0% by weight, based on the total weight of the polish.
3. The polish of claim 1, wherein the organopolysiloxanes which are solid at room temperature are used in the form of an aqueous emulsion.
4. The polish of claim 1, wherein organopolysiloxanes which are liquid at room temperature are also present.
5. The polish of claim 1, wherein the polish contains addi-tional substances selected from the group consisting of non-sil-icon-containing waxes, thickeners, abrasives, preservatives and additives, selected from the group consisting of odorous sub-stances and dyes.
6. The polish of claim 1, wherein the polish contains water in an amount of from 85 to 99.9% by weight, based on the total weight of the polish.
7. The polish of claim 1, which is free of organic solvents.
8. A process for treating hard surfaces, with a polish which comprises applying the polish of claim 1 to the hard surface.
9. The process of claim 8, wherein the hard surface is selected from the group consisting of metallic surfaces, coated surfaces and plastic surfaces.
CA002083088A 1991-12-20 1992-11-17 Polishes for hard surfaces Expired - Fee Related CA2083088C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4142387A DE4142387A1 (en) 1991-12-20 1991-12-20 CARE FOR HARD SURFACES
DEP4142387.9 1991-12-20

Publications (2)

Publication Number Publication Date
CA2083088A1 CA2083088A1 (en) 1993-06-21
CA2083088C true CA2083088C (en) 1996-10-29

Family

ID=6447764

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002083088A Expired - Fee Related CA2083088C (en) 1991-12-20 1992-11-17 Polishes for hard surfaces

Country Status (8)

Country Link
US (1) US5261951A (en)
EP (1) EP0548789B2 (en)
JP (1) JP2513974B2 (en)
AT (1) ATE119188T1 (en)
CA (1) CA2083088C (en)
DE (2) DE4142387A1 (en)
ES (1) ES2069369T5 (en)
MX (1) MX9207350A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9218770D0 (en) * 1992-09-04 1992-10-21 Johnson & Son Inc S C Solvent-free water-based emulsion polsihes
DE4235309A1 (en) * 1992-10-20 1994-04-21 Wacker Chemie Gmbh Blowing agent compositions and compositions curable to form elastomeric silicone foams
US5531814A (en) * 1995-04-25 1996-07-02 Dow Corning Corporation Self-leveling silicone polish
DE19539940A1 (en) * 1995-10-26 1997-04-30 Wacker Chemie Gmbh Care products containing fluorosiloxane
DE19749380A1 (en) 1997-11-07 1999-05-12 Wacker Chemie Gmbh Compositions containing aminosiloxanes
US5968238A (en) * 1998-02-18 1999-10-19 Turtle Wax, Inc. Polishing composition including water soluble polishing agent
DE19807022A1 (en) * 1998-02-19 1999-08-26 Wacker Chemie Gmbh Hydrocarbyl-substituted organosilicon compounds especially for treating textiles or ceramic hobs
GB2368068B (en) * 2000-10-20 2003-05-21 Reckitt Benckiser Improvements in or relating to organic compositions
CN1255854C (en) * 2001-01-16 2006-05-10 卡伯特微电子公司 Ammonium oxalate-containing polishing system and method
US6953500B2 (en) 2001-09-10 2005-10-11 Lewis Glenn H Water wax emulsion cleaner and waxer
US7381231B2 (en) * 2004-01-29 2008-06-03 3M Innovative Properties Company Finishing compositions with reduced volatile organic compounds
CN1301305C (en) * 2004-03-18 2007-02-21 上海三瑞化学有限公司 Polishing agent composition for wooden floor and furnitures maintenance
US20070178239A1 (en) * 2006-02-01 2007-08-02 Ecolab Inc. Protective coating for painted or glossy surfaces
EP2609160B1 (en) * 2010-08-27 2015-05-13 3M Innovative Properties Company Protective coating composition
US11261347B2 (en) * 2017-10-11 2022-03-01 Carroll Benford Dickens Water in oil emulsion automotive wax product

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757094A (en) * 1953-08-07 1956-07-31 Guss Charles Liquid cleaner and polisher and method of compounding the same
US4218250A (en) * 1978-09-28 1980-08-19 Dow Corning Corporation Polish formulations
US4246029A (en) * 1979-02-27 1981-01-20 Sws Silicones Corporation Detergent resistant vinyl coatings
US4247330A (en) * 1979-06-20 1981-01-27 Sws Silicones Corporation Protective coatings
US4273584A (en) * 1979-12-07 1981-06-16 Union Carbide Corporation Detergent resistant compositions
US4509981A (en) * 1983-06-13 1985-04-09 Sws Silicones Corporation Coating compositions
US4874547A (en) * 1985-04-02 1989-10-17 Dow Corning Corporation Bi-modal silicone emulsions, silicone emulsification process and emulsions therefrom
US4859359A (en) * 1988-03-25 1989-08-22 Dyna-5, Inc. Hard surface cleaning and polishing compositions
DE3836830A1 (en) * 1988-10-28 1990-05-17 Wacker Chemie Gmbh METHOD FOR PRODUCING AQUEOUS EMULSIONS OF HIGH MOLECULAR ORGANOPOLYSILOXANS
JPH0798919B2 (en) * 1988-11-29 1995-10-25 東レ・ダウコーニング・シリコーン株式会社 Polish
US4936914A (en) * 1988-12-20 1990-06-26 S. C. Johnson & Con, Inc. Film-forming emulsion polish compositions containing copolymeric siloxanes
JPH07767B2 (en) * 1989-01-31 1995-01-11 信越化学工業株式会社 Polish
US5017221A (en) * 1989-12-05 1991-05-21 Dow Corning Corporation Polymethylalkylsiloxane emulsions and methods
US5074912A (en) * 1990-09-07 1991-12-24 Dow Corning Corporation Siloxane masonry water repellent emulsions
US5112393A (en) * 1990-10-09 1992-05-12 Prosoco, Inc. Method of rendering masonry materials water repellent with low voc organoalkoxysilanes
US5316692A (en) * 1991-06-13 1994-05-31 Dow Corning Limited Silicone containing hard surface scouring cleansers

Also Published As

Publication number Publication date
MX9207350A (en) 1994-01-31
EP0548789B1 (en) 1995-03-01
ATE119188T1 (en) 1995-03-15
JPH05255642A (en) 1993-10-05
US5261951A (en) 1993-11-16
DE59201544D1 (en) 1995-04-06
DE4142387A1 (en) 1993-06-24
ES2069369T3 (en) 1995-05-01
EP0548789B2 (en) 1999-03-03
CA2083088A1 (en) 1993-06-21
EP0548789A1 (en) 1993-06-30
JP2513974B2 (en) 1996-07-10
ES2069369T5 (en) 1999-05-16

Similar Documents

Publication Publication Date Title
CA2083088C (en) Polishes for hard surfaces
US6201058B1 (en) Aminosiloxane-containing compositions
US4247330A (en) Protective coatings
AU658940B2 (en) Polish containing derivatized amine functional organosilicon compounds
US4190688A (en) Silicone paper release compositions
US5326387A (en) Surface protectant composition
US4246029A (en) Detergent resistant vinyl coatings
BR8502756A (en) COMPOSITIONS OF WATER EMULSOES STABLE TO STORAGE, USABLE FOR NON-STICK TREATMENT AND / OR HYDROPHOBUS OF SUBSTRATES, PREPARATION PROCESS, INDUCED SUBSTRATES AND COMPOSITION FOR USE
GB2036051A (en) Polish formulations
EP0640664A2 (en) Silicone emulsion compositions
US4743648A (en) Novel polish compositions
US5336715A (en) Organopolysiloxane composition
US5705592A (en) Fluorosiloxane-containing care compositions
KR100206626B1 (en) Aqueous silicone-organic hybrids
US4696969A (en) Emulsion polymerized silicone emulsions having siloxane-bonded UV absorbers
US5264027A (en) Detergent resistant compositions
JP2000502145A (en) Silicone-containing furniture polishes without wax
US20150008355A1 (en) Mixture composition containing amino-functional siloxanes, hydrophobic particles and high molecular weight silicones and its use for leather treatment
JPH0623311B2 (en) Film-forming agent
US6387166B1 (en) Polishes comprising aminoorganopolysiloxanes containing fluoro groups
US3221040A (en) Copolymeric organosilicon lubricants
US5092922A (en) Polishing agent
JP3065559B2 (en) Fluorosiloxane-containing care composition
US2928799A (en) Composition comprising an organopolysiloxane, a titanate and a wax and process for rendering textiles water repellent therewith
US3231496A (en) Emulsions of organopolysiloxane oils and water

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed