Abstract: This invention is a method of producing a latex of crosslinked polydiorganosiloxane. The latex yields an elastomer upon removal of the water. The latex is prepared by homogenizing a mixture of hydroxyl endblocked polydiorganosiloxane, less than 75 millimoles of surface active anionic catalyst per kilogram of polydiorganosiloxane where said surface active anionic catalyst is dodecylbenzene sulfonic acid or hydrogen lauryl sulfate, and water to yield an oil-in-water emulsion. This emulsion is then admixed with from 0.5 to 15 parts by weight of an alkoxy silicon compound selected from a silane of the formula R.sub.a 'Si(OR.sup.3).sub.4-a where R' is a monovalent hydrocarbon radical of up to 12 carbon atoms, R.sup.3 is an alkyl radical of 1 to 6 carbon atoms, and a is 0 or 1, a partial hydrolyzate of the silane, or mixtures of silane and partial hydrolyzate. The resulting emulsion is maintained at a temperature of about 15.degree. to 30.degree. C.

Abstract: A resin aqueous emulsion of a petroleum resin blend having a softening point of less than 85.degree. C. of a resin having a high softening point of at least 90.degree. C. and a resin having a low softening point is realized by utilizing from 3 to 10 parts by weight of an emulsifier consisting essentially of the class nonyl phenol alkoxylated with 10-12 moles of ethylene oxide per mole of nonyl phenol, anionic alkyl aryl sulfonate and mixtures thereof and dispersing a portion of the water as hot water in said blend prior to inversion into said emulsion.

Abstract: The addition of at least one anti-haze agent selected from the group consisting of saturated fatty acid amides, unsaturated fatty acid amides, unsaturated fatty acid amides, tertiary alkanolamines, hydrocarbyl sulfates and alkyl benzene sulfonates to a nitrite-containing copolymer of a conjugated diene and a monovinyl-substituted aromatic hydrocarbon monomer provide novel compositions which give reduced haze formation when subjected to molding conditions.

Abstract: This invention is a method of producing an aqueous latex of crosslinked polydiorganosiloxane. The latex yields an elastomer upon removal of the water. The latex is prepared by homogenizing a mixture of hydroxyl endblocked polydiorganosiloxane; a silane of the formula R.sub.a 'Si(OR.sup.3).sub.4-a where R' is a monovalent hydrocarbon radical of up to 12 carbon atoms, R.sup.3 is an alkyl radical of 1 to 6 carbon atoms, a partial hydrolyzate, or mixture of silane and hydrolyzate, and a is 0 or 1; a surface active anionic catalyst of the formulae R.sup.2 C.sub.6 H.sub.4 SO.sub.3 H wherein R.sup.2 is a monovalent hydrocarbon radical of at least 6 carbon atoms, R.sup.2 OSO.sub.2 OH, or ##STR1## wherein R.sup.4 is H or R.sup.2 ; and water. The resulting emulsion is maintained at a temperature of 15.degree. to 30.degree. C. for at least 5 hours at a pH of less than 5 until a crosslinked polymer is formed, then this emulsion is admixed with base to a pH of greater than 7.

Abstract: This invention is a method of producing a latex of crosslinked polydiorganosiloxane reinforced with colloidal silica. The method allows the production of a latex having a relatively high amount of silica present in relation to the polymer because the water used to form the emulsion can be that present in the acidic colloidal silica sol used in the method. The high solids latex can be useful as a caulking material. The method homogenizes a hydroxyl endblocked polydiorganosiloxane, a silane of the formula R'.sub.a Si(OR.sup.3).sub.4-a where R' is a monovalent hydrocarbon radical of up to 12 carbon atoms, R.sup.3 is an alkyl radical of 1 to 6 carbon atoms, a partial hydrolyzate, or mixture of silane and hydrolyzate, and a is 0 or 1; a surface active anionic catalyst of the formulae R.sup.2 C.sub.6 H.sub.4 SO.sub.3 H wherein R.sup.2 is a monovalent hydrocarbon radical of at least 6 carbon atoms, R.sup.2 OSO.sub.2 OH, or ##STR1## wherein R.sup.4 is H or R.sup.

Abstract: A polymer mixture comprising(a) a base resin selected from the group consisting of polyphenylene ether resins and polyphenylene ether modified with alkenyl aromatic resins; and(b) an amount of antistatic agent effective for improving the antistatic character of said polymer mixture wherein said antistatic agent is a compound of the formula R--SO.sub.3 X, where R is an alkyl or aralkyl radical having 5 to 25 carbon atoms and X is an alkali metal.

Abstract: A sinterable, finely divided molding material and the preparation thereof are described. The molding material is composed of a vinyl chloride (graft) copolymer, at least one anionic and/or nonionic emulsifier and, if appropriate, small quantities of additives.The vinyl chloride (graft) copolymer contains 95 to 70% by weight of polymerized units of vinyl chloride, 5 to 30% by weight of polymerized units of an alkyl acrylate having 3 to 10 carbon atoms, 0 to 7% by weight of polymerized units of ethylene and 0 to 15% by weight of polymerized units of vinyl acetate.The molding material is suitable for the production of flexible, sintered moldings, in particular separator plates, for electric cells.

Abstract: A refractory composition or mixture utilizing basic aggregates is disclosed which does not discolor when a phenolic binder is used, and provides improved flexural strength. The composition contains specific proportions of phenolic resin and a compound having a pKa of less than 9.5 at 25.degree. C. and basic aggregates.

Abstract: A partially-neutralized, fatty-acid modified alkylbenzene sulfonic acid is useful as a processing aid for use with natural, synthetic or reclaimed rubber, and it is useful in the mastication and peptizing steps of rubber processing, as well as in dispersing and emulsifying additives for the rubber and in improving the wetting characteristics of the rubber. The partially-neutralized, fatty-acid modified sulfonic acid may be formulated into a composition having particular utility as a lubricant for rubber by mixing with a fatty acid amide, a polyethylene glycol, a wax and, optionally, a fluorinated surfactant.

Abstract: Compositions and processes for the aqueous emulsion polymerization of ethylenically unsaturated monomers using mixed emulsifiers containing(a) about 99.5 to about 10 parts by weight of an .alpha.-sulfocarboxylic acid alkyl ester containing from 8 to 24 carbon atoms in the carboxylic acid portion and from 1 to 4 carbon atoms in the alcohol portion, and(b) from about 0.5 to about 90 parts by weight of an .alpha.-sulfocarboxylic acid containing from 8 to 24 carbon atoms, and if desired,other anionic and/or non-anionic emulsifiers and/or protective colloids; the mixed emulsifier optionally being completely or partly present in salt form.

Abstract: The present invention deals with polymer blends comprising a polyphenylene ether and optionally polystyrene or a rubber modified polystyrene. It has been found that the addition of an alkyl or aralkyl-sulfonate to such blends improves the environmental stress cracking resistance of such blends.

Abstract: A method for priming a high solids enamel automotive finish to improve the adhesion thereto of a sealant composition, which method comprises treating said surface with a strong acid, conveniently by applying a primer composition to said surface, said primer composition comprising a solution, in a volatile organic solvent, of a hydroxy functional film forming resin and at least 0.25 percent of a strong acid, by weight of said resin.

Abstract: This invention is directed to a process for preparing an adhesive, pre-gelled plastisol composition which comprises the steps of(a) mixing polyvinyl acetate or copolymers of vinyl acetate with one or more comonomers selected from the group consisting of vinyl alcohol C.sub.3 -C.sub.18 -carboxylic acid esters, ethylene, propylene, butylene, and vinyl chloride with conventional non-gelled plastisol mixtures based upon (i) polyvinyl chloride and/or polymethyl methacrylate and (ii) one or more suitable plasticizers in a ratio of from about 10 to 200 parts by weight of polyvinyl chloride or copolymers of vinyl acetate to 100 parts by weight of polyvinyl chloride and/or polymethyl methacrylate,(b) heating the mixture from step (a) to a temperature of from about 80.degree. to 130.degree. C.The resulting composition is useful in joining, sealing, or stiffening automobile body components.

Abstract: Additives for rubber compositions, giving vulcanizates having improved retention of optimum physical properties, are compounds containing two or more groups of the formula --S--SO.sub.2 R linked by an organic bridging group, or polymers containing two or more groups of the formula --S--SO.sub.2 R attached to an organic polymer chain, where R represents (a) a radical OM where M is a monovalent metal, the equivalent of a multivalent metal, a monovalent ion derived by the addition of a proton to a nitrogenous base, or the equivalent of a multivalent ion derived by the addition of two or more protons to a nitrogenous base, or (b) an organic radical selected from aliphatic, cycloaliphatic, aromatic and heterocyclic radicals, and radicals which are combinations of any two or more such radicals.

Abstract: Textile materials, preferably carpets, are backsized with a composition comprising(a) a natural or synthetic polymeric latex(b) a filler, and(c) a fixing agent for anionic dyestuffs.The resulting textile materials are fast to water spotting.

Abstract: Polymeric materials consisting essentially of a polymer of recurring units of a five-membered oxygen family heterocyclic ring which are selected from furan, thiophene, selenophene, tellurophene and derivatives thereof. The polymer is doped with anions of the specific type. A method for producing the polymeric materials is also described which comprises electrochemically polymerizing a five-membered oxygen family heterocyclic compound in coexistence with an acceptor with or without use of a supporting electrolyte in such a way that anions of the specific type are taken in the polymerized heterocyclic compound. The polymeric material is obtained in the form of a dense tenacious film.

Abstract: The invention provides a novel organopolysiloxane-containing aqueous emulsion composition which, upon removal of water by drying at room temperature, can give a cured rubbery elastomer having excellent mechanical properties and exhibiting strong adhesion to the substrate on which it has been cured. The inventive composition is prepared by blending (A) an aqueous emulsion of an organopolysiloxane having silicon-bonded hydroxy groups and emulsified in water by use of an anionic surface active agent, (B) a mixture of a reaction product of a carboxylic acid anhydride with an amino-functional organosilane and a colloidal silica in the form of an aqueous suspension and (C) a curing catalyst in limited proportions.

Abstract: An aqueous petroleum resin emulsion is realized by the slow addition of part of the water with vigorous agitation to a resin blended with up to 10 weight percent resinplast and in the presence from 3 to 10 weight percent of an emulsifier until inversion and thereafter adding the balance of the water at low agitation and thereafter cooling said emulsion to a temperature at least 20.degree. C. below the softening point of the mixture of emulsifier, resin and resinplast prior to terminating agitation.

Abstract: An aqueous petroleum resin emulsion is realized by the slow addition of part of the water with vigorous agitation to a resin blended with up to 10 weight percent resinplast and in the presence from 3 to 10 weight percent of an emulsifier until inversion and thereafter adding the balance of the water at low agitation and thereafter cooling said emulsion to a temperature at least about 20.degree. C. below the softening point of the mixture of emulsifier, resin and resinplast prior to terminating agitation.

Abstract: Surfactants which are blocked against surfactant action (identified herein as "photolabile blocked surfactants") by a photolabile protective or masking group but which, on exposure to actinic radiation, become unblocked are provided. Coating compositions in which surfactant is formed on irradiation are provided by blending the photolabile blocked surfactant with polymeric film-forming materials.Compositions containing the photolabile blocked surfactants are useful when employed as protective coatings on various substrates or as the adhesive in a pressure sensitive adhesive tape. Although initially well adhering to a substrate, such compositions may be readily removed from the substrate following exposure of the same to suitable radiation which unblocks the surfactant to permit it to regain its surfactant activity.

Abstract: A flame resistant polycarbonate blend comprising an alkylated aromatic polycarbonate and a sulfur-bearing compound characterized in exhibiting V-0 flame resistance classification, according to UL-94, is provided. Further provided is a process for the preparation of such blend.

Abstract: A high solids, organic solvent based, sprayable coating composition which is capable of acid catalyzed crosslinking is composed of an active hydrogen-containing resin, a curing agent present externally and/or internally as a part of the active hydrogen-containing resin, and a catalytic amount of a non-ionic ester of a sulfonic acid. The sulfonic acid ester is represented by the following structural formula: ##STR1## wherein: Z is a radical selected from the group consisting of amino and an organic radical, said organic radical being connected to the sulfur atom by a carbon atom; ##STR2## C.sub.3 -C.sub.20 cycloalkyl; and R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 are independently hydrogen or an organic radical. These groups can be particularly described as follows:R.sub.1 is hydrogen, carboalkoxy, C.sub.3 -C.sub.20 alkyl, C.sub.6 -C.sub.18 aryl, or C.sub.3 -C.sub.20 cycloalkyl;R.sub.2 is hydrogen, carboalkoxy, C.sub.3 -C.sub.20 alkyl, C.sub.6 -C.sub.18 aryl, or C.sub.3 -C.sub.20 cycloalkyl;R.sub.

Abstract: Blends of hydrocarbon polyolefin, reinforcing fiber, acid copolymer of .alpha.-olefin and .alpha.,.beta.-ethylenically unsaturated carboxylic acid and wetting agent are provided wherein the acid copolymer has from 0 to about 90 percent of the acid groups ionized by neutralization with metal ions. Such blends have excellent Izod impact values and fast molding cycles and as such are particularly suitable as molding resins.

Abstract: A process for preparing an aqueous adhesive composition which comprises preparing a solvent dispersion by mixing rubber, carbon black, vulcanizing agent, tackifying resin and accelerator with sufficient organic solvent to form a solvent dispersion and thereafter emulsifying the solvent dispersion in the presence of water to form an aqueous emulsion. The aqueous emulsion may be used to bond unvulcanized rubber compounds, such as a tread stock to the carcass portion during the formation of a tire.

Abstract: A superplasticizer cement admixture for portland cement based compositions formed from a low molecular weight alkali metal polyacrylate in combination with an alkali metal or alkaline earth metal polynaphthalene sulfonate-formaldehyde or an alkali metal lignosulfonate or an alkaline earth metal lignosulfonate or mixtures thereof.

Abstract: In filler-containing plastic molding compositions based on polyoxymethylene, very good compatibility between the filler and the polymer matrix is obtained when alkali metal or alkaline earth metal salts of certain sulfonic acids or alkylsulfuric acids are used as adhesion promoters. The result is that in particular the flow properties of the molding compositions and mechanical properties of the plastic articles prepared therefrom as well as the color properties are improved.

Abstract: A high solids, organic solvent based, sprayable coating composition which is capable of acid catalyzed crosslinking is composed of an active hydrogen-containing resin, a curing agent present externally and/or internally as a part of the active hydrogen-containing resin; and a catalytic amount of a non-ionic ester of a sulfonic acid. The sulfonic acid ester is represented by the following structural formulas: ##STR1## wherein: Z is a radical selected from the group consisting of amino and an organic radical, said organic radical being connected to the sulfur atom by a carbon atom;W is C.sub.1 -C.sub.18 alkylene, C.sub.2 -C.sub.18 alkenylene;V is C.sub.1 -C.sub.18 alkylene, C.sub.1 -C.sub.18 hydroxyl substituted alkylene, C.sub.2 -C.sub.18 alkenylene, C.sub.2 -C.sub.18 hydroxyl substituted alkenylene; andR.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 are independently hydrogen or an organic radical.

Abstract: The present invention relates to polycarbonate articles and films characterized by their antistatic properties comprising polycarbonate resin and alkali, or alkali earth, salts of specific aromatic sulfonic acids, specific aromatic phosphonic acids or aromatic partial phosphoric acid esters.

Abstract: An additive for use in high solids coating compositions which is a blend of(1) colloidal silica,(2) a polymeric bridging agent,(3) an aromatic sulfonic acid, and(4) n-propyl amine;high solids coating compositions containing this additive have excellent shelf viscosity stability and finishes of such compositions and have excellent gloss and appearance and can be used as exterior finishes on automobiles and trucks.

Abstract: The present invention relates to powdered sulfonated thermoplastic polymers which function as viscosification agents when added to oil-based drilling muds which are the fluids used to maintain pressure, cool drill bits and lift cuttings from the holes in the drilling operation for oil and gas wells. The powdered sulfonated thermoplastic polymer has about 5 to about 100 meq. of sulfonate groups per 100 grams of the sulfonated thermoplastic polymer, wherein the sulfonated groups are neutralized with a metallic cation or an amine or ammonium counterion. The powdered sulfonated thermoplastic polymers have a particle size range of 0.25 .mu.m to 2.5 .mu.m and are prepared by spray drying an emulsion of the sulfonated thermoplastic polymer which has been prepared by a free radical copolymerization process.

Abstract: An aqueous petroleum resin emulsion is realized by the slow addition of part of the water with vigorous agitation to a resin blended with up to 10 weight percent resinplast and in the presence from 3 to 10 weight percent of an emulsifier until inversion and thereafter adding the balance of the water at low agitation and thereafter cooling said emulsion to a temperature at least about 20.degree. C. below the softening point of the mixture of emulsifier, resin and resinplast prior to terminating agitation.

Abstract: The tendency to crosslink of polymer compositions comprising polymer units derived from acrylonitrile and maleic anhydride is controlled by the use of a sulfur acid.

Abstract: An improved cationic thermosetting latex, coating compositions prepared therefrom, articles coated therewith, and the process for preparing the same are disclosed. Compositions of the instant latices formulated with isocyanate curing agents display improved cure; the improvement residing in selection of surfactants, with particular reference to their gegen-ions, which are used therein.

Abstract: Elastomeric/polymeric matrices, e.g., rigid polyvinyl chloride resins, are reinforced with impact strength enhancing amounts of calcium carbonate filler particulates, said particulates being surface area treated with both an organic sulfonic acid or salt thereof, and a fatty acid or salt thereof. The resultant compositions are well adapted for the fabrication of strong, useful shaped articles therefrom.

Abstract: The char-forming characteristics of vinyl aromatic polymers are improved by the incorporation therein of (1) active allyl and/or benzyl carbon moieties and (2) an arylsulfonate ester. In an example, a styrenic polymer comprising polyvinylbenzylacetate is given increased char-forming ability by the presence of pentaerythritol parabromobenzenesulfonate.

Abstract: A jet printing ink composition comprises 2 to 60 wt.% of a binder precursor of an alkoxysilane having the formula R.sub.4-n Si(OH).sub.n (n=0 to 2; and R represents a C.sub.1 -C.sub.4 alkoxy group, methoxyethoxy, ethoxyethoxy or phenoxy group) or an oligomer thereof; and 25 to 95 wt.% of a solvent for said alkoxysilane or oligomer thereof; 0.001 to 5 wt.% of a solvent soluble acid; and 0.1 to 8 wt.% of a solvent soluble dyestuff, if necessary, further comprises up to 2 wt.% of a solvent soluble inert silicone oil for inhibiting blotting and up to 3 wt.% of an electroconductive agent.