Abstract: A reactive component, which is curable to form a nonpolar polymer containing silicon and carbon atoms, and having a glass transition temperature of at least 20.degree. C., is mixed with an antiplasticizer. The resulting mixture, a curable composition, is cured to form a composition having an increased modulus. The reactive component preferably comprises a polyene having at least two hydrosilation reactive carbon-carbon double bonds (e.g., dicyclopentadiene), and a silicon compound having at least two hydrosilation reactive .ident.SiH groups. Preferably the silicon compound comprising at least one member selected from the group consisting of cyclic polysiloxanes, tetrahedral siloxysilanes, and linear polysiloxanes. Preferably the resulting cured composition is crosslinked, due to at least one member selected from the group consisting of the polyene and the silicon compound having more than two hydrosilation reactive sites. Preferably the curable composition further comprises a hydrosilation catalyst.

Abstract: This invention relates to a process for coating a substrate comprising contacting the substrate with a low volatile organics, moisture curable, two-component coating composition comprising an admixture of an A-side and a B-side, said A-side comprising an aliphatic polyisocyanate having an isocyanate index relative to the number of isocyanate-reactive groups in said coating composition of at least about 200, preferably at least about 300, more preferably at least about 500, said B-side comprising a tertiary amine catalyst and optionally an isocyanate-reactive compound selected from the group consisting of monoahls, polyols, imines, oxazolidines, and combinations thereof, said coating composition optionally containing a solvent in an amount of less than about 45%, based upon the weight of the polyisocyanate in said coating composition, said coating composition having a viscosity as measured by ZAHN cup 2 of less than about 200 seconds, said composition being essentially free of any volatile mono- and di-isocyan

Abstract: A room temperature curable rubber composition of a condensation curing type that comprises as a base polymer a diorganopolysiloxane or a polyoxyalkylene in which both ends of the molecular chain are blocked with a hydrolyzable silyl group, and a carbonyl compound, an amino group containing organic compound, and an .alpha.,.beta.-unsaturated carbonyl compound that are blended with the base polymer. Since the room temperature curable rubber composition is cured with water in the air and at the same time the dehydration condensation of the carbonyl group and the amino group produces water in the composition, the quick curability and deep curability are improved remarkably.

Abstract: This invention provides a primer composition comprising (A) a polyorganosiloxane resin containing at least 0.01 mole of hydroxyl groups per 100 g of the resin represented by the average composition formula: (R.sup.1).sub.a SiO.sub.(4-a)/2 wherein each R.sup.1 represents a substituted or unsubstituted monovalent hydrocarbon group, and a is a value of 0.4 to 1.8; (B) an alkoxytitanium or a partially hydrolyzed product thereof; (C) an acid; and (D) a solvent. The primer composition can strongly adhere a condensation type room temperature curable silicone elastomer to the surface of the coated metal formed by applying a fluororesin coating, an acrylic resin coating or the like to a metal.

Abstract: An epoxy group-containing thermosetting resin composition comprising (A) a copolymer obtained from (a) at least one member selected from an unsaturated carboxylic acid and an unsaturated carboxylic acid anhydride, (b) an epoxy group-containing unsaturated compound, (c) a monoolefin unsaturated compound, and optionally (d) a conjugated diolefin unsaturated compound, and (B) an organic solvent for dissolving the above copolymer. There is also provided another epoxy-group containing thermosetting resin composition which contains the above component (A), (C) a polymerizable compound having at least one ethylenically unsaturated double bond, and (D) a photopolymerization initiator. These epoxy-group containing thermosetting resin compositions are excellent in storage stability.

Abstract: This invention relates to a process for coating a substrate which comprises contacting the substrate with a low volatility organic (so-called "low VOC") coating composition having a viscosity as measured by ZAHN cup 2 of less than about 200 seconds and consisting essentially of at least one polyisocyanate prepolymer which is the reaction product of a polyisocyanate with an active hydrogen-containing compound selected from the group consisting of monoahls, polyols, imines, oxazolidines, and combinations thereof, a solvent in an amount of between 0% and 45% by weight based upon the amount of said polyisocyanate in said composition, and a tertiary amine catalyst, said composition being essentially free of any volatile mono- and di-isocyanates, and said composition being moisture curable upon exposure to atmospheric moisture. Also claimed is the coating composition itself.

Abstract: There is provided an infrared radiation curable organopolysiloxane composition having a poly(alkenylorganosiloxane), a siloxane hydride, an infrared radiation absorbent material, such as carbon black, and an effective amount of a platinum group metal catalyst. The infrared radiation curable organopolysiloxane composition can be used as a binder for a desiccant, such as a zeolite, useful in making multi-panel thermal pane windows.

Abstract: This invention relates to a cosmetic film forming composition which is freeze-thaw stable and is especially useful as a nail coating composition which upon drying forms a film which will adhere to keratin of a nail. More particularly, the present invention relates to cosmetic film forming compositions which consist of aqueous emulsion (A) which comprises a sulfopolyester and a copolymer of vinyl acetate and dialkyl maleate or fumarate; aqueous emulsion (B) which comprises an aqueous emulsion polymer of acetoacetoxyethyl alkylacrylate or the polymerization reaction product of acetoacetoxyethyl alkylacrylate with a vinylfunctional monomer; and (C) a freeze-thaw agent. The freeze-thaw agent imparts improved freeze-thaw properties to the composition without being detrimental to desirable properties such as fast drying time and good adhesive properties.

Abstract: Novel pressure-sensitive adhesives are described which show significant resistance to solvents and working fluids such as jet fuel, hydraulic fluid, de-icing fluid and the like. Adhesive compositions comprise nonaqueous dispersions of copolymers of acrylic monomers prepared in the presence of a vinyl-substituted fluoroalkyl siloxane having the general formula I and a macromonomeric stabilizer. The adhesives prepared from the adhesive compositions exhibit excellent adhesion to glass, aluminum, and low surface-energy materials such as fluoroalkyl siloxane elastomers.

Abstract: Abstract of the Disclosure: Polymers of olefinically unsaturated monomers and solutions of these polymers are obtainable by a process in which the olefinically unsaturated monomers are polymerized in the presence of a free radical initiator in solution under polymerization conditions which are otherwise predetermined, in such a way that the solvent and/or a liquid part of one or more reactants of the polymerization batch are initially taken and heated to the polymerization temperature, and some or the total amount of the monomers to be polymerized is fed continuously to the agitated initially taken part of the polymerization batch via one or more feeds, with maintenance or initiation of the polymerization, in such a way that the outlet orifice of the one or more feeds is located below the surface of the initially taken liquid part of the polymerization batch.

Abstract: A cyanoacrylate monomer adhesive formulation which has improved thermal properties resulting from the inclusion in the formulation of an effective amount for enhancing the thermal resistance of the cured polymer of a mono, poly or hetero aromatic compound characterized by at least three substitutions on an aromatic ring thereof, two or more of said substitutions being electron withdrawing groups selected from the group consisting of NO.sub.2, CN, CF.sub.3, NR.sup.1.sub.3.sup.+, SR.sup.1.sub.2.sup.+, C(.dbd.O)R.sup.1, C(.dbd.O)OR.sup.1, NO, CCl.sub.3, SO.sub.2, S(.dbd.O), SO.sub.3, SO.sub.2 R.sup.1, SO.sub.2 OR.sup.1 and F, one or more of said substitutions being leaving groups selected from the group consisting of F, Br, Cl, I, NO.sub.2, CN, SOR.sup.1, SO.sub.2 R.sup.1 and SO.sub.2 OR.sup.1, and R.sup.1 is an optionally substituted hydrocarbon group. Example such compounds have the formula: ##STR1## where L is the leaving group and the W groups are the electron withdrawing groups.

Abstract: A process for preparing solid polymer blends and composites of controlled porosity in microemulsions containing both hydrophilic and hydrophobic phases. The microemulsions are prepared with surfactant systems that may include a cosolvent as a part thereof, together with a hydrophilic monomer, or monomers, dissolved in the hydrophilic phase of the microemulsion, and a hydrophobic monomer, or monomers, dissolved in the hydrophobic phase. Polymerization of the monomers thus present is carried out to provide highly uniform dispersions of the resulting polymers in each other. The invention allows for the control of the morphology of the blends, the improvement in compatability of otherwise incompatible polymers, and improvements in the processability of the polymers due to enhanced thermal and mechanical properties.

Abstract: A composition and a method for forming an anti-reflective layer for DUV microlithographic processes is disclosed. The compositions of the present invention includes a polymer dissolved in a suitable solvent. The polymers are polysulfone and polyurea polymers which possess inherent light absorbing properties at deep ultraviolet wavelengths. In accordance with the method of the present invention, these compositions are applied to a substrate to form an anti-reflective coating, and thereafter a photoresist material that is compatible with the anti-reflective coating is applied.

Abstract: Carboxyl-terminated and hydroxyl-terminated aliphatic polyester compositions derived from 1,4-cyclohexane-dicarboxylic acid, and a glycol component comprising primarily of cycloaliphatic diols and modifying aliphatic glycols, said polyesters being optionally stabilized by the presence of ultraviolet light absorbing compounds and/or hindered amine light stabilizers and being used in powder coating formulations to provide improved weatherability thereto.

Abstract: An antistatic coating composition comprising: (a) a first organosilane compound having at least one epoxy group and at least one hydrolyzable alkoxy group; (b) a second organosilane compound having no epoxy group and two or more hydrolyzable alkoxy groups; (c) 2 to 20 wt %, based on the total weight of said first and second organosilane compounds, of aluminum dihydrogenphosphate; and (d) 50 to 500 parts by weight, based on the total weight of said first and second organosilane compounds, of an organic solvent for said first and second organosilane compounds.The coating composition has a long pot life to be stably stored for a long period of time, and may be coated on any of usual materials including metallic, inorganic and organic materials to form a cured coating film which is excellent in resistance to heat, durability, water-proof property and resistance to chemicals by heating at a relatively low temperature for a short time.Also provided is an improved process for preparing such a coating composition.

Abstract: The invention provides a process for preparing a polysiloxane-containing resin which comprises copolymerizing a polysiloxane-type macromonomer with a vinyl monomer, characterized in that the polysiloxane-type macromonomer is one prepared by reacting about 70 to about 99.999 mole % of a compound (A) represented by the formula ##STR1## wherein R.sub.1 represents aliphatic hydrocarbon group having 1 to 8 carbon atoms or phenyl group, and R.sub.2, R.sub.3 and R.sub.4 each represent alkoxyl group having 1 to 4 carbon atoms or hydroxyl group with about 30 to about 0.001 mole % of a compound (B) represented by the formula ##STR2## wherein R.sub.5 represents hydrogen atom or methyl group, R.sub.6, R.sub.7 and R.sub.8 each represent hydroxyl group, alkoxyl group having 1 to 4 carbon atoms or aliphatic hydrocarbon group having 1 to 8 carbon atoms with the proviso that R.sub.6, R.sub.7 and R.sub.

Abstract: The present invention is directed to a silicon polyimide precursor composition which has a viscosity suitable for the formation of films by application or another mean and which is capable of forming hard and tough films having excellent heat resistance, low coefficient of thermal expansion and strong adhesive force by heating the films, the above-mentioned films being formed by the chemical bond between silicon and polyimide. Another feature of the present invention is directed to a method for preparing a crosslinked/cured material of the aforesaid silicon polyimide precursor composition.That is, the present invention is connected with a soluble silicon polyimide precursor composition which comprises 0.5 to 40% by weight of a silicon polyimide precursor represented by the following formula (I) on another precursor obtained by imidizing the compound represented by the formula (I) and having a logarithmic viscosity number of 0.05 to 5 dl/g, 0.

Abstract: The present invention provides a relatively simple synthesis procedure for the formation of silane hydrolyzate compositions of the formula ##EQU1## where R is hydrogen or a methyl group, n is an integer greater than about 8, and x is a number between 0 and 2. The hydrolyzate compositions are metastable in solvent solution, but become insoluble after coating on a substrate. The resins are useful as planarizing coatings for substrates such as electronic devices and can be ceramified by subjecting them to an oxidizing atmosphere at a temperature of between about 100.degree. to 1000.degree. C. to form ceramic or ceramic-like coatings on such substrates.

Abstract: Disclosed is a ladder silicone oligomer composition which comprises [A] 100 weight parts of a ladder silicone oligomer containing 1 to 10 weight % of hydroxyl groups and 1 to 10 weight % of ethoxy groups, [B] 1 to 200 weight parts of at least one silicon-containing compound selected from (a) silicone oligomers and polymers having a number average molecular weight of 500 to 100,000, which are obtained by reacting a compound of the following formula (I): ##STR1## wherein R.sub.1 is lower alkyl or phenyl, and R.sub.2 is lower alkyl, with a compound of the following formula (II): ##STR2## wherein R.sub.3 is lower alkyl, or phenyl, and R.sub.4 is lower alkyl, the molar ratio of the compound (I) to the compound (II) being from 1/0.3 to 1/9, and (b) ethyl silicates having a silica content of 28.8 to 45 weight % and hydrolysis products thereof, and [C] an organic solvent. The ladder silicone oligomer composition is useful as a coating material and an adhesive.

Abstract: A water repellency treatment agent which is non-corrosive to metals, comprising a solution as a volatile solvent of 1-20 wt % of silyl phosphate containing 1-10 wt % of phosphorus, and less than 20 wt % of an organopolysiloxane of general formula R.sub.a SiO.sub.(4-a)/2 having a viscosity of 5-10,000 centistokes at 25.degree. C., wherein the letter a has a value in the range 1.95<a<2.20, and R is a monovalent organic group selected from saturated or unsaturated monovalent hydrocarbon groups with 1-30 carbon atoms, halogenated hydrocarbon groups, alkoxy groups, hydroxyl groups and hydrogen atoms.

Abstract: The present invention provides a relatively simple synthesis procedure for the formation of silane hydrolyzate compositions of the formula ##EQU1## where R is hydrogen or a methyl group, n is an integer greater than about 8, and x is a number between 0 and 2. The hydrolyzate compositions are metastable in solvent solution but become insoluble after coating on a substrate. The resins are useful as planarizing coatings for substrates such as electronic devices and can be ceramified by subjecting them to an oxidizing atmosphere at a temperature of between about 100.degree. to 1000.degree. C. to form ceramic or ceramic-like coatings on such substrates.

Abstract: Disclosed are colored polyester compositions comprising a polyester having reacted therewith or copolymerized therein at least one residue of an anthraquinone compound having the formula ##STR1## wherein AQ is the residue of a 9,10-anthraquinone radical; R.sup.1 and R.sup.2 are the same or different and are unsubstituted or substituted alkyl, cycloalkyl or aryl; X is a group reactive with at least one of the functional groups of the monomers from which the polyester is prepared; and n is 1 or 2. The described anthraquinone compounds possess improved thermal stability and thus are not decomposed at the high temperatures at which polyesters are prepared. Also disclosed are shaped articles, particularly containers, fabricated from the colored polyester compositions.

Abstract: A primar composition comprising(A) 100 parts by weight of an organo-polysiloxane represented by the formula (1) ##EQU1## wherein R.sup.1 represents a substituted or unsubstituted monovalent hydrocarbon group, and a is a number of from 1.98 to 2.01, provided that 25 to 50 mol % of the hydrocarbon group is a perfluoroalkyl group and 0.01 to 10 mol % of the hydrocarbon group is a vinyl group, said organo-polysiloxane having a viscosity as measured at 25.degree. C. of 1,000,000 centistokes or more;(B) 5 to 100 parts by weight of a silica type filler;(C) 0.5 to 50 parts by weight of isocyanurate-type organosilicon compound represented by the formula (2) ##STR1## wherein R.sup.2 represents an alkyl group, a fluoroalkyl group or an alkoxyalkyl group, each having 1 to 5 carbon atoms in the alkyl moiety, and n is an integer of 1 to 5; and(D) a desired amount of an organic solvent.

Abstract: A storage stable water-based paint comprising a solid silicone resin and an ammonium salt of a drying oil modified acrylic copolymer provide a coating for barbecue grills and other appliances that are subjected to temperatures as high as 1300.degree. F. A smooth and continuous coating remains on the metal after burning off of the acrylic resin and firing of the metal at 1300.degree. F. The paint is redispersible and may be drawn down to 1.5 mils after storage at 120.degree. F. for more than 3 months when the pH is at least about 8.

Abstract: N-Silylalkylamides are useful as adhesion promoters in room temperature vulcanizable compositions comprising polyalkyoxysilyl-terminated polydiorganosiloxanes. The formamides, which are preferred, are novel compounds.

Abstract: An abrasion-resistant coating composition for use on transparent plastic substrates and the like is formed from a first component derived by partial hydrolysis from a hydrolyzable epoxysilane and a second component comprising the reaction product of a non-silane-based aliphatic polyamine and a ketone or aldehyde. The two components are mixed to allow regenerated amino groups of the first component to react with the epoxy groups of the second component to form a partially polymerized mixture which is diluted with a solvent and applied to the substrate and heated to complete the curing process.

Abstract: Disclosed herein are allylether-functional unsaturated polyester-urethanes and curable compositions containing the same.

Abstract: A protective composition which comprises at least one aliphatic polyisocyanate, at least one aromatic polyisocyanate and a solvent.

Abstract: Cohesive bonding between silicone rubber compositions and plastics is achieved using primer compositions comprising a solution of at least one member of a specified class of organotitanate esters in an organic liquid. Cohesive bonding of silicone rubber compositions to both plastic and metals is achieved by including at least one member from either of two specified classes of organosilicon compounds in the primer composition together with the organotitanate ester.

Abstract: The adhesion of organopolysiloxane compositions curable by a platinum catalyzed hydrosilation reaction to various substrates, particularly plastics, is improved by the presence in said compositions of (1) an organosilicon compound containing an ethylenically unsaturated group and at least one alkoxy group and (2) at least one member from a specified class of compounds of aluminum or zirconium.

Abstract: In a process for the production of linear segmented polyurethane by simultaneous reaction of macrodiols, low-molecular diols as chain-lengthener and aromatic diisocyanate, in a solvent in the presence of catalyst, and in the presence of catalytic amounts of a magnesium or calcium salt, an aromatic carboxylic acid macrodiol, monomeric, lower-molecular diol and aromatic diisocyanate are reacted, the macrodiol being used in such amounts as to adjust in the prepared polyurethane a weight ratio of soft segment to hard segment of about 4:1 to 1:4. Preferred embodiments include reaction at temperature from about 70.degree. to 120.degree. C.; use of an inert solvent; and having the concentration of starting material amount to about 10-40% by weight relative to the mixture of starting material and solvent. Also provided are polyurethanes obtained according to this process, having a molecular non-uniformity from 2 to 7.

Abstract: The invention provides a novel means for providing a highly heat-resistant and corrosion-resistant coating film on the surface of a substrate such as a semiconductor silicon wafer or glass plate by coating the surface with a liquid coating composition which is a solution of an oligomeric organopolysiloxane as a partial dehydration-condensation product of a monohydrocarbylsilane triol RSi(OH).sub.3, optionally, with admixture of a dihydrocarbylsilane diol R.sub.2 Si(OH).sub.2, R being a monovalent hydrocarbon group, e.g. methyl or phenyl, in an organic solvent followed by baking of the coated substrate to convert the coating layer into a cured resin film.

Abstract: Room temperature-curable organopolysiloxane compositions are made from essentially linear organopolysiloxanes having hydroxyl or hydrolyzable end groups, a crosslinking agent, a filler, optionally a curing catalyst, an unsaturated ester having at least ten carbon atoms in the unsaturated fatty acid component of the ester, and a photosensitizer. These compositions cure to elastomeric materials which do not soil on the surface or the surrounding areas of the substrate in contact with the cure product. The adhesion of these cured products is not reduced.

Abstract: A process for the preparation of stable aqueous polymer dispersions which contain an alkenyl-aromatic compound as copolymerized units, by polymerizing monomer mixtures which contain(a) not less than 2% by weight of an alkenyl-aromatic compound and(b) from 0.5 to 10% by weight of an ethylenically unsaturated C.sub.3 -C.sub.5 -carboxylic acid and/or its amide and/or its nitrile and/or an ethylenically unsaturated monomer containing sulfonic acid groups, with or without(c) acrylic acid esters, methacrylic acid esters and/or butadienein aqueous emulsion in the presence of a polymerization initiator, with or without an emulsifier and with or without a polymerization regulator, at a pH below 7, in the presence of from 0.2 to 2% by weight of formaldehyde.

Abstract: The weatherability of acrylic coatings is enhanced by incorporating into the acrylic polymer hydroxybutyl acrylate or hydroxybutyl methacrylate.

Abstract: A dental composition which when used together with a photopolymerizable dental sealing composition promotes adhesion of resin-based dental restorative materials to the tooth consisting ofa solution of (i) at least one phosphate selected from the group consisting of methacryloyloxyethyl dihydrogen phosphate and bis-(methacryloyloxyethyl) hydrogen phosphate and (ii) a photopolymerization catalyst comprising camphor quinone and an amine, in acetone.

Abstract: A dental composition which when used together with a photopolymerizable dental sealing composition promotes adhesion of resin-based dental restorative materials to the tooth consisting of a solution of tetramethacryloyloxyethyl pyrophosphate and a photopolymerization catalyst comprising camphor quinone and an amine in acetone.

Abstract: Described herein are compositions comprising the reaction product of a polyol, a multi-functional isocyanate, a lactone-acrylate adduct and an hydroxyalkyl acrylate. These compositions are suitable for use as curable coatings.

Abstract: An essentially isocyanate-free polyurethane polyurea polyethylenic oligomer is disclosed which is unusually strong and elastic. This oligomer is the reaction product of: (1) organic diisocyanate; (2) a stoichiometric deficiency of difunctional materials reactive therewith and consisting essentially of: (A) polyoxyalkylene glycol having a molecular weight of from 200 to 1000; (B) dihydric bisphenol-based alkylene oxide adduct containing from 2-10 alkylene groups per molecule; and (C) polyoxyalkylene diprimary amine having a molecular weight of from 150 to 800. In all of these, the alkylene groups contain from 2-4 carbon atoms. Components (A) and (B) are present in a weight ratio of from 1:4 to 9:1 and component (C) is present to supply from 30 to 60 equivalent percent of the total equivalents of component (2). The polyurethane polyurea so-constituted is capped with monohydric ethylenic compound, such as 2-hydroxyethyl acrylate, to provide a molecular weight in the range of about 5,000 to about 30,000.

Abstract: A process for copolymerizing acrylonitrile (AN) with an amount of a monomer of a specific structure in an organic solvent which can dissolve AN but cannot dissolve polyacrylonitrile (PAN). The polymer dispersion in the solvent is stable upon storage. The dispersed particles of the polymer are uniform and fine, and are sufficiently prevented from agglomeration and agglutination.

Abstract: A water-soluble pressure-sensitive adhesive composition is described containing a polymerization product obtained by the solution polymerization of a water-soluble ethylenically unsaturated monomer in the presence of an alcoholic plasticizer having a molecular weight of less than about 3,000 and which is a liquid at room temperature, selected from the group consisting of polyether polyols and polyhydric alcohols, wherein the polymerization product contains as a polymer component at least an addition copolymer of the water-soluble ethylenically unsaturated monomer and the alcoholic plasticizer.

Abstract: Fiber-treating compositions are described which durably provide water repellency and oil repellency for the treated fiber. These compositions comprise a siloxane component bearing fluorinated hydrocarbon radicals, unsubstituted hydrocarbon radicals and silicon-hydride atoms, and a dehydrogenation condensation catalyst. Curing of the compositions occurs by a dehydrogenation condensation reaction between the silicon-hydride atoms and/or between the silicon-hydride atoms and the hydroxyl radical of an optionally added hydroxyl-endblocked organopolysiloxanes.

Abstract: Polyisocyanurate polymers are prepared by the polymerization of organic polyisocyanates in organic solvents employing trimerization catalysts. After deactivation of the catalysts and removal of the solvents, these polymers may be dispersed in polyols which are employed for the preparation of cellular and non-cellular polyurethane products displaying improved load bearing properties.

Abstract: An adhesive epoxy resin composition particularly useful in underwater envnments which is the result of the admixture of a 3,4-epoxycyclohexylalkyl 3,4-epoxycyclohexanecarboxylate, exo-exo bis(2,3-epoxycyclopentyl) ether, endo-exo bis(2,3-epoxycyclopentyl) ether, a trialkoxyboroxine curing agent and a surfactant and methods of making said adhesive.