Abstract: Catalyst mixture for use in trimerizing and/or polymerizing isocyanates and/or for the polyaddition of active hydrogen atom containing polyethers and polyisocyanates comprising an amine as conventionally used in polyurethane chemistry in combination with an alkali metal salt of an inorganic acid and the trimerization and/or polymerization and/or polyaddition reaction utilizing such catalyst mixture.

Abstract: Latex and other aqueous systems are thickened by incorporation of a low molecular weight polyurethane characterized by at least three hydrophobic groups interconnected by hydrophilic polyether groups. The thickeners are nonionic, hydrolytically stable and are resistant to biodegradation.

Abstract: An aqueous adhesive composition having pH of about 8 to 10 containing from about 25 to 75% by weight of water, the water having dispersed therein:A. from about 25 to 75% by weight of the composition, of a water-insoluble linear polymer of interpolymerized monoethylenically unsaturated monomers in amounts by weight based on the linear polymer:(1) from about 50 to 99% of an acrylic ester monomer of the formula ##STR1## or a mixture thereof, where R is H or methyl and R.sup.2 is lower alkyl of 1 to 4 carbon atoms,(2) from about 0.1 to 10% of acrylic acid or methacrylic acid,(3) from about 0.1 to about 10% of a nitrogen containing monomer selected from the group consisting essentially of vinyl amines and salts thereof, vinyl ureido monomers, vinyl compounds having heterocyclic nitrogen containing groups, and mixtures thereof, andB. 0.001 to 2% of a silane containing both alkoxy and epoxy functionalities.

Abstract: Sulfonated ionomers of low unsaturation polymers in latex form are prepared in an improved process comprising sulfonating a butyl rubber or EPDM elastomer cement with an acyl sulfate, passivating the sulfonated cement with an organic epoxide, such as propylene oxide, and emulsifying the product in water with an anionic emulsifying agent.

Abstract: A reaction injection molding (RIM) process for making polyurethanes is disclosed where in addition to the conventional ingredients such as polyols, isocyanates, and catalysts there is included a carboxy functional siloxane. The incorporation of the carboxy functional siloxane aids in the release of the molded part and shortening the molding cycle time.

Abstract: Monoethylenic monomers, including from about 1 to about 30% by weight of monoethylenic carboxylic acid, are placed in solution in a liquid mixture preferably containing a low molecular weight polyhydric alcohol and an anionic surfactant and this liquid mixture is dispersed in water containing a C.sub.3 -C.sub.4 alkanol and polymerized in the presence of an organic peroxide free radical polymerization catalyst at an elevated temperature, while agitating the dispersion. The dispersion of polymer particles is then at least partially neutralized, preferably with ammonia or an amine, to form an aqueous dispersion which is stable and which is useful in electrocoating.

Abstract: A method of preparing resinous vehicles in aqueous medium by addition polymerizing a material having CH.sub.2 .dbd.C< moieties with a partially neutralized reaction product of an unsaturated carboxylic acid or anhydride and polybutadiene is disclosed. The resinous vehicles are prepared in a manner such that they are useful for electrodeposition.

Abstract: A process for preparing cationic acrylamide polymers through the reaction of a formaldehyde-secondary amine adduct with a water-in-oil emulsion of finely divided acrylamide polymer formed by treatment with an oxygen containing halogen free inorganic acid or its alkali metal salts. The resulting products are further characterized in that they can be inverted easily into aqueous solution. Compositions produced by the invention are also disclosed.

Abstract: This invention relates to entirely novel compositions comprisingA. high-molecular anions from dissociation of a part or the whole of the carboxylic group of a conjugated diene-maleic acid derivative copolymer with repeating units represented by the formulae ##STR1## WHEREIN R represents a conjugated diene unit in the copolymer, R' and R" each represent hydrogen or an organic radical having from 1 to 18 carbon atoms and p and q each are an integer;B. one or more cations of alkali metal cations selected from the group consisting of Na.sup.+, K.sup.+ and Li.sup.+ and quaternary ammonium cations represented by the formula R.sub.1 R.sub.2 N.sup.+ R.sub.3 R.sub.4 wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each are selected from the group consisting of hydrogen, alkyl radical of from 1 to 18 carbon atoms, cycloalkyl radical and aryl radical;C. mg.sup.2+ ;D. anion of magnesium compound(s) or alkali metal compound(s) represented by X.sup.n- wherein n is an integer 1 or 2; andE.

Abstract: A rapidly drying aqueous printing ink containing a gel forming polymer soluble in the ink but which rapidly gels upon application of the ink to a substrate during a printing process.

Abstract: Light-colored unvulcanized polymers such as those used in the white sidewall areas of pneumatic vehicle tires are coated with a carbon black-free, pre-cure paint comprised of a polymer containing hydrated amorphous silica and a zinc activation system in a solubilizable form. The paint may have an aqueous or non-aqueous base; i.e., vehicle.

Abstract: Sizing bath for a non-woven cellulose based substrate in which the bath has a pH of 2 to 12 and contains as sizing agent at least one anionic latex of at least one copolymer of which the vitreous transition temperature is -40.degree. C. to +120.degree. C. and of which the K value is 55 to 130, the copolymer containing in interpolymerised form:A. 35% to 80% by weight of at least one ester of acrylic and/or methacrylic acid with an alcohol containing 1 to 18 carbon atoms and/or at least one vinyl ester of a carboxylic acid containing 1 to 18 carbon atoms,B. 20% to 50% by weight of acrylic, methacrylic, crotonic or itaconic acid, or a mixture thereof,C. 0% to 20% by weight of at least one monomer having an ethylene linkage and at least one polar group or containing several ethylene linkages,D.

Abstract: The instant invention is directed to the production of polyurethane or polyurea powder. The process broadly comprises atomizing an isocyanate, polyisocyanate or isocyanate pre-polymer in the liquid state and bringing the atomized particles into contact with a gaseous diamine or polyamine until they are converted to the solid state.

Abstract: A coated substrate for photogravure printing in which the substrate is coated with an aqueous latex containing as an essential film forming component particles of a copolymer of butadiene and carboxylated styrene having a particle size within the range of 0.08-0.14 microns and consisting essentially of 41-45% by weight butadiene, 45-57% by weight styrene and 2-10% by weight of at least one unsaturated carboxylic ethylenic acid.

Abstract: A process is provided for preparing a hexavalent chromium containing emulsion coating composition without causing coagulation of the emulsion and for providing an emulsion coating composition containing at least one water insoluble particulate film-forming thermoplastic resin which is highly effective as a coating for a metal substrate to give new and improved results in the preparation of resin coated metals, particularly steel, aluminum, magnesium, and zinc surfaced articles including galvanized iron or steel.

Abstract: An anticoagulant coating composition suitable for coating the interior surfaces of a blood microsample collection tube, such as a capillary tube, is disclosed. The coating composition consists essentially of ethylene diamine tetracetate held in a matrix of polyvinyl pyrrolidone. Both the ethylene diamine tetracetate and the polyvinyl pyrrolidone are dissolved in a water-alcohol mixture to form a coating composition solution.

Abstract: A process is provided for preparing a hexavalent chromium containing emulsion coating composition without causing coagulation of the emulsion and for providing an emulsion coating composition containing at least one water insoluble particulate film-forming thermoplastic resin which is highly effective as a coating for a metal substrate to give new and improved results in the preparation of resin coated metals, particularly steel, aluminum, magnesium, and zinc surfaced articles including galvanized iron or steel.

Abstract: The invention relates to novel complexes formed by mixing together in an aqueous medium a zwitterionic polymer and a fluorocarbon acid compound. The complex can be formulated with conventional cosmetic extending media to provide solvent-repellent, skin-protective compositions.

Abstract: This invention relates to a water-based coating composition in which solvent or water popping and sagging are eliminated or substantially reduced. The composition comprises a thermosetting, film-forming organic binder dispersed in an aqueous medium containing from 60 to 100 parts by weight of water and 0 to 40 parts by weight of a volatile organic solvent. The organic binder is formulated from (a) and acid-containing interpolymer adapted to be dissolved or dispersed in water with the acid of a base; (b) a water-soluble or water-dispersible polyether polyol or polyester polyol having a molecular weight of at least 300 and (c) a water-soluble or water-dispersible aldehyde condensation resin. The interpolymer consists essentially of a carboxylic acid amide in units of the structure: ##STR1## wherein R' is hydrogen or lower alkyl and R is lower alkyl; an alpha, beta-ethylenically unsaturated carboxylic acid; and at least one other monomer containing a CH.sub.2 =CH< group.

Abstract: Compounds are prepared having one of the formulae ##STR1## where n is an integer of 1, 2 or 3 and R.sub.1, R.sub.2 and R.sub.3 are hydrocarbyl or halohydrocarbyl. The compounds are useful as stabilizers for olefin polymers.