Abstract: A coating composition containing a film-forming organosilane polymer and a sterically dispersed macromolecular polymer having macromonomer chains which react with the silane functionality of the organosilane polymer. The coating compositon can be used as the clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or primer when a suitable amount of pigment is incorporated therein. The coating composition provides improved chemical resistance and is not prone to cracking.

Abstract: A coating composition containing a film-forming organosilane polymer and a sterically dispersed polymer having macromonomer chains which react with the silane functionality of the organosilane polymer. Silane functionalities in the core of the dispersed polymer provides post-cure crosslinking in the core. The coating composition can be used as the clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or primer when a suitable amount of pigment is incorporated therein. The coating composition provides improved chemical resistance and is not prone to cracking.

Abstract: A high solids coating composition useful as a clear coat for an automotive clear coat/color coat finish which contains about 40-80% by weight of a binder and correspondingly about 20-60% by of a liquid organic carrier; wherein the binder contains about:a. an acrylic solution polymer of polymerized monomers of ethylenically unsaturated esters of acrylic acid or methacrylic acid and a hydroxy alkyl acrylate or methacrylate and the polymer has a hydroxyl no. of about 50-200 and a weight average molecular weight of about 4,000-20,000;b. a dispersed polymer of polymerized monomers having stabilizer resin segment that is soluble in the organic carrier and dispersed resin segment that is relatively insoluble in the organic carrier;c. a siloxane oligomer having --OH and --OR groups attached to the silane atoms of the oligomer where R is an alkyl group having 1-6 carbon atoms in the alkyl group or an aryl group and the oligomer has a weight average molecular weight of about 500-5,000; andd.

Abstract: A coating composition that is used primarily as a clear finish over a colored or pigmented finish that are applied to automobile and truck bodies; the composition contains as the film forming binder(a) an acrylic polymer(b) a self stabilized dispersed resin formed by polymerizing in solution the following constituents:(1) an acrylic solution polymer,(2) monomers of alkyl methacrylate or acrylate and hydroxy ethyl acrylate or methacrylate, wherein either the acrylic solution polymer contains post reacted glycidyl methacrylate or acrylate or the monomers contain glycidyl methacrylate or acrylate, and(c) an alkylated melamine formaldehyde crosslinking agent.

Abstract: A cathodic electrocoating composition containing a polyhydroxyamine dispersant and an epoxy reacted with an entity such as a fatty amine and optionally a crosslinker polymer.

Abstract: A cationic electrocoating composition containing a polyhydroxyamine and acrylic or methacrylic polymers and optionally a crosslinker resin.

Abstract: An acrylic polyamine copolymer with amine and hydroxy functionality. The copolymer can be formulated with auxiliary resins and optional crosslinkers to make a nearly-neutral pH cathodic dispersion and the formulations can be used in cathodic electrodeposition, giving good cure response at 150.degree.-175.degree. C.

Abstract: A cationic electrocoating composition containing a polyhydroxyamine and polyesters or alkyds and optionally a crosslinker resin.

Abstract: A cationic electrocoating composition containing a polyhydroxyamine and polybutadiene and optionally a crosslinker resin.

Abstract: A cathodic electrocoating process using as the coating composition a polyhydroxyamine dispersant, a second polymer, and optionally a crosslinker polymer. The second polymer can be an epoxy reacted with an entity such as a fatty amine, or it can be acrylic or methacrylic polymers, butadiene, polyesters or alkyds.

Abstract: A polyamine/epoxy ether graft copolymer having an acrylic polamine backbone with secondary amine and hydroxy functionality, part of which is terminal primary hydroxy groups, onto which is grafted an epoxy ether. The ether is an epoxy resin preferably reacted with nonylphenol resulting in a monoepoxide ether with one or less epoxy group per epoxy ether molecule. The ether is reacted with part of the secondary amine on the acrylic backbone. This system can be formulated to a nearly-neutral pH cathodic dispersion with good cure response at 150.degree.-175.degree. C. using conventional aminoplast crosslinkers.

Abstract: In a cationic electrocoating process in which phosphoric acid is used as an acidic ionizing agent for the polymer in the coating composition, and in which excess phosphoric acid build-up in the bath is removed by ultrafiltration, phosphoric acid in the filtrate can be reacted with certain metals to make dissolved dihydrogen metal phosphate salt so that the filtrate can be returned to the electrocoating bath. In the bath, part of the dihydrogen metal phosphate salt is consumed by its deposition on the substrate as an insoluble metal phosphate salt.

Abstract: A polyamine/epoxy ester graft copolymer having an acrylic polyamine backbone with secondary amine and hydroxy functionality, part of which is terminal primary hydroxy groups, onto which is grafted an epoxy-fatty acid ester. The ester is an epoxy resin reacted with a fatty acid resulting in a monoepoxide ester with one or less epoxy group per acid group. The ester is reacted with part of the secondary amine on the acrylic backbone. This system can be formulated to a nearly-neutral pH cathodic dispersion with good cure response at 150.degree.-175.degree. C. using conventional aminoplast crosslinkers.

Abstract: A polyamine/epoxy ester graft copolymer having an acrylic polyamine backbone with secondary amine and hydroxy functionality, part of which is terminal primary hydroxy groups, onto which is grafted an epoxy-fatty acid ester. The ester is an epoxy resin reacted with a fatty acid resulting in a monoepoxide ester with one or less epoxy group per acid group. The ester is reacted with part of the secondary amine on the acrylic backbone. This system can be formulated to a nearly-neutral pH cathodic dispersion with good cure response at 150.degree.-175.degree. C. using conventional aminoplast crosslinkers.

Abstract: A process for cathodic electrodeposition of paints wherein a layer of protective phosphate salt is initially deposited on a metal substrate followed by an amine-group-containing hydrophobic polymer which is preferably an acrylic-epoxy resin. The amounts of water and phosphoric acid in the deposited paint are very small.

Abstract: A process for cathodic electrodeposition of paints wherein a layer of protective phosphate salt is initially deposited on a metal substrate followed by an amine-group-containing hydrophobic polymer which is preferably an acrylic-epoxy resin. The amounts of water and phosphoric acid in the deposited paint are very small.

Abstract: The aqueous coating composition contains film-forming constituents dispersed in an aqueous medium;The film-forming constituents areA. the reaction product of1. an epoxy ester resin such as an epoxy hydroxy polyether resin and drying oil fatty acids, and2. maleinized drying oil, andB. a water dispersible cross-linking agent such as benzoguanamine formaldehyde;The composition is neutralized to a pH of 7.2-10 with a basic compound such as potassium hydroxide or an amine;The composition is applied by convention spray techniques or by electrodeposition and is useful as a primer or as a primer surfacer for automobile and truck bodies and small metal parts used in the manufacture of automobiles and trucks. Finishes of acrylic lacquers, acrylic enamels, acrylic dispersion lacquers or enamels or acrylic powders can be applied over the primed substrates.

Abstract: An improved electrocoating process in which a metal substrate is first coated with an anionic layer, for example, anions of an acidic material such as phosphoric acid or chromic acid are used, the anions combine with the metal to form a corrosion retardant layer and then the substrate is electrocoated with a cationic film-forming polymer and dried to form a continuous film.An aqueous electrocoating composition of an acrylic cationic film-forming polymer reacted with an acid material also is a part of this invention.

Abstract: The aqueous coating composition contains filmforming constituents dispersed in an aqueous medium;The film-forming constituents areA. the reaction product of1. an epoxy ester resin such as an epoxy hydroxy poly-ether resin and drying oil fatty acids, and2. maleinized drying oil, andB. a water dispersible cross-linking agent such as benzoguanamine formaldehyde;The composition is neutralized to a pH of 7.2-10 with a basic compound such as potassium hydroxide or an amine;The composition is applied by conventional spray techniques or by electrodeposition and is useful as a primer or as a primer surfacer for automobile and truck bodies and small metal parts used in the manufacture of automobiles and trucks. Finishes of acrylic lacquers, acrylic enamels, acrylic dispersion lacquers or enamels or acrylic powders can be applied over the primed substrates.