Abstract: A silicone gel composition comprising (A) 100 parts by weight of an organopolysiloxane comprising 80 to 98 mole % of R(CH3)SiO2/2 units, 0.1 to 10.0 mole % of RSiO3/2 units, and 0.1 to 10 mole % of R(CH3)2SiO1/2 units, wherein R is methyl, phenyl, or alkenyl, and provided 0.25 to 4.0 mole % the R groups in the organopolysiloxane are alkenyl; (B) an organopolysiloxane having an average of at least 2 silicon-bonded hydrogen atoms per molecule in an amount sufficient to provide from 0.1 to 5 silicon-bonded hydrogen atoms per alkenyl group in component (A); (C) a platinum catalyst; (D) 0.01 to 10 parts by weight of a silica powder; and (E) 0.01 to 5 parts by weight of a thixotropic agent selected from at least one epoxy compound, at least one polyhydric alcohol, and mixtures thereof; wherein the silicone gel composition has an apparent viscosity ratio of 2.0 to 10.0 and cures to form a silicone gel having a ¼ consistency of 10 to 200.

Abstract: Disclosed is polyvinyl chloride, polyvinylidene chloride, polycarbonate, polyethylene, polypropylene, polyamide, polyimide, polyether, polyester, or polyvinyl acetate containing about 0.005 to about 10 phr of a stabilizer.

Abstract: There is disclosed a stable, one-part moisture-curable composition containing: (A) 100 parts by weight of a saturated hydrocarbon polymer having on average more than 2 hydrolyzable silyl groups in its molecule; (B) 10 to 300 parts by weight of a silicon-free conduit compound having at least one C6 to C30 hydrocarbon group in its molecule, said compound being selected from the group consisting of (i) esters, (ii) ethers, (iii) epoxy-containing compounds, (iv) anhydrides and (v) ketones; and (C) a sufficient amount of a silanol condensation catalyst to cure said composition upon exposure to moisture.

Abstract: Polymeric compositions characterized by containing polymeric acetals and zinc-containing inorganic fillers exhibiting improved resistance to the formation and adhesion of mineral deposits when used in applications wherein the composition is exposed to water containing dissolved minerals for extended periods of time. The composition may be prepared into shaped articles which are useful as mineral resistant, plumbing fixtures.

Abstract: A paint composition is provided, which comprises a copolymer comprising the following constitutional units (A), (B), and (C) as essential components: (A) a (meth)acrylate monomer unit having a straight-chain, branched-chain, or cyclic alkyl group; (B) at least one monomer unit selected from the group consisting of a monomer unit having an unsaturated double bond and a hydroxyalkyl group, a monomer unit having an unsaturated double bond and an epoxy group, and a monomer unit having an unsaturated double bond and an alkoxysilyl group; and (C) a monomer unit having an unsaturated double bond and a maleimide group. The paint composition is excellent in weatherability and coating gloss. The composition may be contained in an organic solvent such as cyclic ethers, aromatic hydrocarbons, esters, and ketones. The organic solvent may be one that comprises 40% or more of a saturated hydrocarbon.

Abstract: An inkjet printing coating compositions and recording sheets having printable coating compositions on substrates which are suitable for photographic quality prints by inkjet printing technology, such as thermal and piezo. The recording sheet which comprises a substrate and a dried coating composition on the substrate, which coating composition comprises either (i) a hydrophilic or amphiphilic polyether polyurethane plus one or more polymers selected from the group consisting of cellulose ester polymers, cellulose ether polymers and vinyl polymers or (ii) cellulose acetate trimellitate plus optionally one or more polymers selected from the group consisting of cellulose ester polymers, cellulose ether polymers and vinyl polymers; a quaternary ammonium compound; a metal salt chelating agent; and a microcrystalline filler drying agent.

Abstract: A silicone composition curing at room temperature by condensation, which is suitable especially as a dental molding composition. The silicone composition consists of the a) base paste containing a filler and polyorganosiloxane having hydroxy groups, b) and the activator component containing in addition to crosslinking agent and catalyst also a polyaddition product with alkoxysilyl groups in the molecule. The base paste and activator component can be mixed uniformly together and can be offered with special advantage in double cartridges.

Abstract: This invention relates to novel ultraviolet absorbing methine-based compounds comprising polyoxyalkylene moieties. Such compounds provide excellent, inexpensive, protection from ultraviolet exposure within various media, including, but not limited to, thermoplastics. The presence of polyoxyalkylene chains on the methine backbone permits such an introduction within thermoplastics while simultaneously providing very low degrees of migration from the target substrate. This invention also concerns methods of making the aforementioned ultraviolet absorbing thermoplastic compositions.

Abstract: A method is disclosed of treating a substrate, comprising applying to the substrate a fluorochemical composition comprising fluorochemical copolymer derived from at least one fluorochemical monomer A, at least one monomer B, at least one monomer C and at least one monomer D, wherein the fluorochemical monomer A contains a fluoroaliphatic group and is an ester of an &agr;,&bgr;-ethylenically unsaturated carboxylic acid, the monomer B is an ester of an &agr;,&bgr;-ethylenically unsaturated carboxylic acid, the monomer C is an ethylenically unsaturated dicarboxylic acid anhydride, the monomer D is an ester of an &agr;,&bgr;-ethylenically unsaturated carboxylic acid, the fluorochemical monomer A and the monomers B and C contain only one polymerizable group and monomer D contains, as a second polymerizable group, an ethylenically unsaturated group that has a higher affinity to copolymerize with the monomer C than fluorochemical monomer A or monomers B or D.

Abstract: Painting composition based on fluoropolymers in an aqueous dispersion, comprising a partially fluorinated non ionic polymeric compound as an additive for the control of the viscosity and in general of the rheological characteristics of the composition itself.

Abstract: A composition is comprised of the following: a) a hydrolyzed or partially hydrolyzed alkoxysilane; b) a solvent consisting of an organic liquid or mixture of two or more organic liquids in which component (a) and component (c) are soluble and c) a cross linking prepolymer, oligomer, resin or mixtures thereof that forms a low dielectric constant crosslinked polymer. Preferred crosslinked polymers are of a arylcyclobutene or polyphenylene prepolymer, oligomer, resin or mixtures thereof. A coating may be made using the composition wherein the coating is comprised of a crosslinked polymer of a low dielectric crosslinking prepolymer, oligomer, resin or mixture thereof and a hydrolyzed or partially hydrolyzed alkoxysilane, said coating being adhered to a surface of a substrate wherein said surface is comprised of a first material that is a metal, ceramic or polymer and a second material that is (i) a metal, ceramic, or polymer and (ii) different than the first material.

Abstract: This invention concerns a process for the addition of volatile materials to prepolymers prior to or during solid state polymerization processes and the subsequent conducting of said solid state polymerization process.

Abstract: Silicone terpolymers, modified with phenyl or substituted phenyl groups and polyalkyleneoxides, which exhibit refractive indices >1.47 are disclosed. These materials of the present invention when incorporated in formulations for surface treatment improve slip and gloss of the substrates to which they are applied, and are useful in hair care and coatings applications.

Abstract: Mortar cement additives provide workability while retaining strength by employing a multi-stage polymer comprising a hydrophobically-modified, ionically-soluble polymer stage, the polymer being soluble at a pH of 6 and above; and an air-entraining agent. The additives also employ, as optional ingredients, set retarding agents and superplasticizers. Examplary methods of the invention involve addition of the multi-stage polymer and an air entraining agent to the mortar cement, preferably during intergrinding of Portland cement in the mill. Cement compositions comprising the polymer and an air-entraining agent are also disclosed.

Abstract: A laminated polyester film stretched in at least one direction, comprising:a polyester support, andat least one enhanced adhesion layer laminated on the polyester support, comprising a composition comprising:(1) an aromatic copolyester (A1) having a water-dispersible functional group, a polyvinyl alcohol resin (B1), and a vinylpyrrolidone copolymer resin (C1); or(2) an aromatic copolyester (A1) having a water-dispersible functional group, a polyvinyl alcohol resin (B1), and a polyglycerol polyglycidyl ether (C2); or(3) an aqueous-type polyurethane (A3), a polyvinyl alcohol resin (B3), and inert particles wherein the thickness (L) of the adhesion layer and the average particle diameter (d) of said inert particles satisfies the equation1/3.ltoreq.d/L.ltoreq.3.

Abstract: A fluorine-containing copolymer having a solvent resistance and a cold resistance is produced by subjecting vinylidene fluoride and at least one of other fluorine-containing monomers to copolymerization reaction in the presence of a polyfluoropolyether having iodo groups at both terminals, represented by the following formula:I(R)pCF(CF.sub.3)O[CF.sub.2 CF(CF.sub.3)O]mRf[OCF(CF.sub.3)CF.sub.2 ]nOCF(CF.sub.3)(R)pIwherein Rf: perfluoroalkylene group of C.sub.2 -C.sub.6 ; R: alkylene group or polyfluoroalkylene group of C.sub.2 -C.sub.8 ; these alkylene groups may contain an ether bond or may be an alkyleneamide-containing or phenylene diamide-containing group; m+n: 20 or more; and p: 0 or 1. The copolymerization reaction is carried out preferably in the presence of a bromine-containing or iodine-containing monomer compound.

Abstract: The present invention provides an aqueous polytetrafluoroethylene dispersion composition characterized in that the composition comprises 30 to 65 wt. % of polytetrafluoroethylene and a polyoxyethylene alkyl ether in an amount of 2 to 10 wt. % based on the polytetrafluoroethylene, the polyoxyethylene alkyl ether being represented by the formulaRO(CH.sub.2 CH.sub.2 O)nHwherein R is a saturated or unsaturated hydrocarbon group having 8 to 18 carbon atoms, and n is 5 to 18, having a cloud point of over 45.degree. C. to not higher than 85.degree. C. and containing 65 to 70 wt. % of ethylene oxide in the molecule.

Abstract: Articles of manufacture are provided with a low surface energy, permanently non-stick, non-fouling and ice-phobic surface by a system of coating comprising applying a primary coating having a surface energy of 22-28 dynes/cm.sup.2 comprising a novel polymeric material having non-stick and hardness properties and then applying a top coating having lower surface energy of from about 18-21 dynes/cm.sup.2 comprising a siliconic polymer and interdigitating means to make the top coating permanent, the means preferably comprising a bi- or polyfunctional organic compound adapted to wet the surface of the primary coating and chemically or physically bond thereto and to couple to the siliconic polymeric substance in the top coating. The coated substrates are resistant to marking by graffiti, to adherence by marine fouling organisms, and frozen ice on the surface is easily removed.

Abstract: Fluorocarbon polymer coating composition and coating film include a fluorocarbon polymer powder, a binder and an additive comprised by a substance having a surface free energy smaller than that of the binder. The coating composition and coating film have improved resistance to deterioration with time of the water repellent properties of the film.

Abstract: Dispersions, obtained starting from a system formed by a (per)fluorinated polymer in polar solvent, comprising at least:0.1-30% by weight of a polytetrafluoroethylene or of tetrafluoroethylene copolymers with other ethylenically unsaturated, totally or partially fluorinated, monomers;50-99% by weight of fluorinated liquid;0.01-5% by weight of surfactant selected from carboxylic acids with PFPE chain and nonionic surfactants having a perfluoroalkylic or perfluoropolyether chain with a oxyalkylenic repeating unit number lower than or equal to 6;polar solvent (water and/or alcohol) complement to 100; weight ratio lower than that of the initial system containing the (per)fluoropolymer used to prepare the dispersion.

Abstract: A composition of matter formed by melt-blending certain thermoplastic polymers and from about 1.0 to about 7.5 wt. % of a fluorocarbon additive, the additive having a lower surface energy than that of the polymer; the blending resulting in a cooled admixture having a concentration of fluorocarbon additive through a cross-section of the solid composition lower in the interior thereof and higher at the surfaces thereof.

Abstract: This invention relates to non-aqueous formulations comprising resins and/or polymers with a higher solids content and a solvent which is a diether of the general formula: R.O.R..sup.1.O.R.sup.2, wherein each of R, R.sup.1 and R.sup.2 is a straight or branched chain, saturated aliphatic hydrocarbyl group having from 1 to 5 carbon atoms and in which R and R.sup.2 are the same or different alkyl groups and wherein R.sup.1 is an alkylene group, said formulation containing less than 25% w/w of solvents or diluents having free hydroxyl groups. The formulations are particularly useful in vehicle refinishes.

Abstract: A process for producing a WPU-PEO based composite electrolyte is disclosed. The process includes steps of a) providing a polyurethane material as a matrix material; b) dispersing the matrix material in a first solvent and mixing PEO in the same solvent to form a dispersion solution; c) drying the dispersion solution to form a thin composite film of WPU-PEO as a matrix of the polymeric electrolyte; and d) adding a component of an anhydrous liquid electrolyte into the matrix to form the WPU-PEO based composite electrolyte. The fabricated thin film electrolyte has a good conductivity (up to 10.sup.-2 .about.10.sup.-3 S/cm at room temperature) and can be suitably used in cells, e.g. lithium ion batteries, lithium batteries, and electrochromic devices. The feasibility of the use of a mixture of various WPU, cross-linked WPU, and WPU based composite electrolytes in lithium ion batteries, lithium batteries, and electrochromic devices is also disclosed.

Abstract: Polyol combination for the preparation of energy absorbing foam is provided, the polyol combination including (a) from 30 to 70 parts by weight of a polyol having a molecular weight in the range of from 2500 to 6500, a functionality in the range of from 2.5 to 6 and a primary hydroxyl content of at least 40%, optionally with a polymer stably dispersed therein; and (b) from 70 to 30 parts by weight of a rigid polyol having a molecular weight in the range of from 300 to 1000, a functionality in the range of from 2.5 to 6 and a hydroxyl value in the range of from 200 to 600, to a total of 100 parts by weight of (a) and (b). Using this combination, foams with a density of less than 50 kg/m.sup.3 are possible.

Abstract: Products are described which are obtainable by reacting compounds of formula I with compounds of formula IIa or/and IIb and IIIa or/and IIIb and additionally, where appropriate, IV ##STR1## wherein the general symbols are as defined in claim 1, the compound of formula I being, for example, methyl 3-(3',5'-di-tert-butyl-4'-hydroxyphenyl)propionate, the compound of formula IIa being, for example, diethanolamine, the compound of formula IIIa being, for example, methyl oleate, and the compound of formula IV being, for example, sulfur. The cited products can be used as liquid antioxidants in organic materials.

Abstract: The present invention is directed to a process for the production of a porous polymer comprising the steps of: i) forming a mixture comprising a polymerizable component and an organic solvent wherein the polymerizable component comprises at least one macromonomer having at least one perfluoropolyether unit; ii) polymerizing said mixture wherein immediately after the polymerization of said mixture at least a substantial proportion of said organic solvent is in the form of a discrete phase and wherein said discrete organic solvent phase forms an interpenetrating network throughout the mixture or is dispersed throughout the mixture; and iii) removing the discrete organic solvent phase.

Abstract: Processes for producing poly (hydrido siloxane) copolymers and processes for producing solutions of such copolymers for coating semiconductor substrates are provided. The copolymers have the general formula: (HSiO.sub.1.5).sub.a (HSiO(OR)).sub.b (SiO.sub.2).sub.c, wherein R is a mixture of H and an alkyl group having between 1 and 4 carbon atoms; a+b+c=1; 0.5<a<0.99; 0.01<b<0.5; and 0<c<0.5. Processes for producing the copolymers use alkoxysilanes as starting materials. Processes for producing coating solutions include removal of water and alcohol. Films of such coating solutions are useful as planarizing dielectric layers.

Abstract: Dispersions comprising at least:0.1-30% by weight of a polytetrafluoroethylene or tetrafluoroethylene copolymers with other ethylenically unsaturated monomers;50-99% by weight of fluorinated liquid;polar solvent (water and/or alcohol) complement to 100;0.01-5% by weight of surfactant selected from:(a) nonionic hydrogenated or(b) fluorinated, having a perfluoropolyether or perfluoroalkylic chain, both of ionic and non ionic type, selected from the following classes:A') mono and dicarboxylic acid salts;B') sulphonic acid salts;C') phosphoric mono and diesters and their mixtures, as such or salified, optionally containing amounts of triesters lower than 15% by moles;D') nonionic surfactants formed by fluorinated and polyoxyalkylenic chains with a number of oxyalkylenic repeating units higher than 6;E') cationic surfactants having one or more fluorinated hydrophobic chains.

Abstract: A liquid ink jet ink wherein said ink is non-gelling and comprises a carrier, a pigment and a solid block copolymer of ethylene oxide and propylene oxide having a structure (A) and (B) defined herein.

Abstract: A composition, comprising(a) at least one tight cycloolefin,(b) a catalyst for the ring-opening metathesis polymerisation,(c) a filler, and(d) a silane of formula I ##STR1## wherein R is a polyvalent organic group having 2 to 100 carbon atoms, where one or more than one carbon atom can be replaced by O, S, N or Si atoms and Y.sub.1, Y.sub.2 and Y.sub.3 are each independently of one another C.sub.1 -C.sub.20 alkyl, C.sub.5 -C.sub.20 aryl, C.sub.6 -C.sub.20 aralkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.2 -C.sub.20 -alkoxyalkyl or C.sub.1 -C.sub.20 acyl, gives cured products having excellent mechanical and electrical properties and which is particularly suitable as encapsulating material for electrical and electronic components.

Abstract: A coating solution for forming an insulating film used in production of semiconductor devices includes siloxanes represented by a general formula:[SiR.sub.3 O.sub.1/2 ].sub.k [SiR.sub.2 O.sub.2/2 ].sub.l [SiRO.sub.3/2 ].sub.m [SiO.sub.4/2 ].sub.nwhere each of k, l, m and n is an integer, R may be the same or different and represents at least one organic group, and a ratio of (3k+21+m) to (k+l+m+n) is between about 0.8 and about 1.3. The present invention further relates to a method for preparing the coating solution, and a method for forming the insulating film using the coating solution, including the steps of coating the coating solution on a surface of a substrate of the semiconductor device to form a coated film, fluidizing the coated film at a temperature between about 150.degree. C. to about 300.degree. C. to planarize the surface of the substrate, and curing the fluidized coated film to form the insulating film.

Abstract: The present invention relates to water-based, latex aerosol paint compositions.

Abstract: The invention provides a liquid composition for coating surfaces, comprising: polymer droplets dispersed in a liquid component, ultraviolet light (UV) absorber, and defoamer. The liquid component comprises water, and volatile organic solvent. The organic solvent comprises a first and a second ether. The first and the second ether are miscible with water. The UV absorber and the defoamer are dispersed in the liquid component. A preferred embodiment of the invention provides the liquid composition with a particulate composition to provide a material for superior non-skid surface coatings, such as non-skid flooring surface coatings. Thus, the invention provides a material for making non-skid coatings, comprising: a particulate composition including wollastonite particles, cellulose particles, and diatomaceous earth particles.

Abstract: Provided is a method for producing a granular polycarbonate prepolymer for solid-phase polymerization, comprising dissolving a polycarbonate prepolymer in a solvent under heat, then crystallizing it by cooling, and shaping it. The grains of the granular prepolymer hardly fuse together in polymerization, and the granular prepolymer is suitable for high-speed solid-phase polymerization to give polycarbonate.

Abstract: A sealer and inflator composition, particularly for inflating tires. The composition comprises: a sealant; a non-flammable propellant/inflator having an ozone depletion potential of zero; and a vapor pressure depressant which may be either hydrocarbon diethers of 3 to 6 carbon atoms, hydroxyketones of 3 to 6 carbon atoms, or mixtures thereof.

Abstract: Pigment preparations comprising at leasta) 5 to 80% by weight, based on the preparation, of pigment,b) a paste-making agent which is liquid at 20.degree. C. under normal pressure,c) an amine and/or salt thereof with an average molecular weight, determined as the number-average, of M.sub.n .ltoreq.500 g/mol andd) a homo- and/or copolymer of ethylenically unsaturated monomers or comonomers having an average molecular weight, determined as the number-average, of M.sub.n =10,000-100,000,are suitable for pigmenting organic macromolecular material, in particular polyurethane foams.

Abstract: A composition which is polyolefin-based includes polyolefin; from 0.1 to 5 parts by weight of lubricating agent per 100 parts by weight of the polyolefin; and from 0.05 to 2 parts by weight of zeolite per 100 parts by weight of the polyolefin, which zeolite is a crystalline aluminosilicate having a water adsorptivity not exceeding 10% of its weight, at 25.degree. C. and at a water vapor partial pressure of 4.6 torr, and having an Si/Al molar ratio in the crystal lattice of at least 35.

Abstract: The present invention relates to a process for separating polyhydroxyalkanoate from a biomass, the process comprising extracting the polyhydroxyalkanoate with at least one PHA solvent selected from the group consisting of acetone, acetonitrile, benzene, butyl acetate, butyl propionate, .beta.-butyrolactone, .gamma.-butyrolactone, diethyl carbonate, diethylformamide, dimethyl carbonate, dimethyl succinate, dimethyl sulfoxide, dimethylformamide, ethyl acetate, ethylene glycol diacetate, methyl acetate, methyl ethyl ketone, 1,4-dioxane, tetrahydrofuran, toluene, xylene, and mixtures thereof.

Abstract: The viscosity of a solvent is modified by thickening the solvent with a silicone latex. A silicone latex having a plurality of crosslinked polysiloxane particles is first prepared by mixing the siloxane polymer, a surfactant, and water; emulsifying the mixture to a gel phase; diluting the emulsion with water; adding a cure package (i.e., a catalyst, a crosslinker, or both, or a self catalytic crosslinker); and then without removing the water from the latex and after the particles of siloxane polymer in the latex have been cured, mixing the latex and solvent to thicken the solvent, forming viscous liquids, gels, and pastes. Water in the latex thickened solvent composition can be stabilized by adding a silicone polyether during mixing of the latex and the solvent.

Abstract: Disclosed is a blend capable of forming a semi-interpenetrating network when cured of (A) a solution of about 30 to about 50 wt % solids in an organic solvent of a fully imidized polyimidesiloxane and (B) about 5 to about 30 pbw per 100 pbw of the polyimidesiloxane of an epoxy resin which comprises a cycloaliphatic epoxy and an epoxy curing agent. The polyimidesiloxane is the reaction product of an aromatic dianhydride and diamine. The diamine is about 5 to about 80 mole % non-siloxane containing aromatic diamine and the remainder a siloxane diamine, where the siloxane diamine is about 40 to about 80 wt % of the weight of the polyimidesiloxane. The blend is used to bond metal parts to ceramic packages.

Abstract: A thickener composition for thickening aqueous compositions which contains a) a water soluble or water dispersible thickener containing urethane groups, b) a non-ionic aromatic or alkyl-substituted aromatic emulsifier and c) a compound corresponding to formula IR.sub.2 --?(Q.sub.2 --).sub.t H!.sub.u (I)wherein R.sub.2 represents an optionally branched and unsaturated aliphatic radical having 6 to 22 carbon atoms, a cycloaliphatic radical having 6 to 10 carbon atoms or a heterocyclic radical having 5 to 12 ring atoms, as obtained by removing the active hydrogen from a hydroxyl, amino, carboxylic acid or amide group, Q.sub.2 represents a C.sub.2 -C.sub.4 alkylene oxide unit, t has a value from 1 to 30 and u has a value from 1 to 10, and d) optionally further additives.

Abstract: The present invention relates to water-redispersible pulverulent composition comprising:a powder of at least one water-insoluble film-forming polymer prepared from at least one ethylenically unsaturated monomer,at least one nonionic surfactant chosen from the polyoxyalkylenated derivatives,at least one water-soluble compound chosen from polyelectrolytes belonging to the family of weak polyacids.

Abstract: A paint composition comprising, as a leveling agent, 0.01 to 3.0 parts by weight of a polyfluorinated carbon chain-containing compound and 0.01 to 3.0 parts by weight of a silicone oil per 100 parts by weight of a film forming component and being capable of forming a film being excellent in water- and oil-repelling property and stain resistance, and painted articles being excellent in water- and oil-repelling property and stain resistance can be provided.

Abstract: Polyol combination for the preparation of energy absorbing foam is provided, the polyol combination including (a) from 30 to 70 parts by weight of a polyol having a molecular weight in the range of from 2500 to 6500, a functionality in the range of from 2.5 to 6 and a primary hydroxyl content of at least 40%, optionally with a polymer stably dispersed therein; and (b) from 70 to 30 parts by weight of a rigid polyol having a molecular weight in the range of from 300 to 1000, a functionality in the range of from 2.5 to 6 and a hydroxyl value in the range of from 200 to 600, to a total of 100 parts by weight of (a) and (b). Using this combination, foams with a density of less than 50 kg/m.sup.3 are possible.

Abstract: A coating composition prepared by mixing an organic solvent based coating composition with (1) a silicone compound having organofunctional group and hydrolyzable group in one molecule and containing a specified silicon structural unit, or (2) a silicone compound consisting of a partial cohydrolysis.cndot.condensation product of a silane mixture of alkoxysilane compound containing at least one organofunctional group selected from the group consisting of (meth)acryloyl group, vinyl group, haloalkyl group, amino group, epoxy group and mercapto group with tetraalkoxysilane compound.

Abstract: A resin for coating formation which comprises a polyarylate comprising 2,2-bis(3-methyl-4-hydroxyphenyl)propane units and a divalent carboxylic acid component comprising 10 to 90 mol % of terephthalic acid units and 90 to 10 mol % of isophthalic acid units, having an inherent viscosity measured in 1,1,2,2-tetrachloroethane at a concentration of 1 g/dl at 25.degree. C. of 0.85 or more, and having a carboxyl value of 20 mol/ton or less. Also disclosed is a process for producing the resin by interfacial polymerization, using a quaternary ammonium salt or a quaternary phosphonium salt having at least 3 alkyl groups each having at least 3 carbon atoms as a catalyst.

Abstract: A method is disclosed for providing a friable polytetrafluoroethylene (PTFE) product that has particles of a desired size which are flowable and do not tend to agglomerate. To achieve this result, the PTFE starting material is handled at a temperature below 66.degree. F., and preferably below 55.degree. F., before irradiating. The PTFE starting material may be mixed with a wetting agent before irradiating to provide a product that has enhanced dispersibility. The source of radiation may include electron beam radiation, nuclear radiation, or radiation from a cobalt-60 (CO.sub.60) source.

Abstract: This invention relates to pigment preparations containing(a) a pigment,(b) a monohydroxy ether, a polyether polyol, and/or a polyester polyol,(c) a polyisocyanate addition product having an NCO content of <1.0 wt. % and 30 to 95 wt. % of ethylene oxide units arranged within polyether chains and derived from monofunctional alcohols (B) that is prepared at an NCO index of 100 to 600 by reacting(A) a polyisocyanate component having an (average) NCO functionality of 1.7 to 6 and an NCO content of 5 to 65 wt. % with(B) 5 to 100 equivalent %, based on (A), of monohydric poly-ether alcohols having a molecular weight of 150 to 10,000 and an ethylene oxide unit content of 40 to 99.5 wt. %,(C) 0 to 20 equivalent %, based on (A), of a monofunctional isocyanate-reactive compound other than monohydric alcohol (B),(D) 0 to 50 equivalent %, based on (A), of an isocyanate-reactive tertiary amine compound, and(E) 0 to 20 equivalent %, based on (A), of a formative component containing at least two NCO-reactive groups.

Abstract: Disclosed is a process for the continuous preparation of a polyester-based polymer having excellent quality which is useful as materials for medical care, coatings, and wrapping. In the process for the continuous preparation, a column-type continuous reactor is essentially employed.

Abstract: The rheological properties of latexes and latex paint formulations thickened with non-urethane thickeners according to the invention are modified by adding to the latex or latex paint formulation an amount of a nonionic surfactant having an HLB value of from 4 to about 20 sufficient to decrease the low shear viscosity of the thickened latex without a corresponding reduction in the high shear viscosity.