Abstract: The present invention relates to a coating composition particularly useful as a clear coating used over a pigmented base coat that has improved cure, which provides increased out of oven hardness, as well as improved mar and scratch resistance, and increased environmental chemical resistance. The composition is comprised of 40-70% by weight of film forming binder and 30-60% by weight of a volatile liquid carrier for the binder; wherein the binder contains a 25-98.5% by weight, based on the weight of the binder, of a silane polymer, 1-40% by weight, based on the weight of the binder, of an alkylated melamine crosslinking agent, 0.5-5% by weight, based upon the weight of the binder, of an aryl or alkyl acid phosphate curing agent, and 0-30% by weight, based upon the weight of the binder, of a non aqueous dispersed polymer, a urethane polymer, a polyester resin, an acrylic polyol resin, or any mixture thereof. The composition may be used, in particular, as a finish for automobiles and light trucks.

Abstract: A process and materials for coating motor vehicles with flake containing tricoat color finishes in a wet-on-wet-on-wet system on a continuously moving paint application line.

Abstract: An improved process for applying a two component polyurethane coating composition to a substrate; a stream of a polyol having reactive hydroxyl groups is mixed with a stream of an organic polyisocyanate crosslinking agent to form a blend that is applied to the substrate; the improvement used in this process is as follows:adding to the stream of polyol a monohydric primary or secondary alcohol in a ratio of about 0.5-2.0 equivalents of alcohol hydroxyl to polyol hydroxyl before mixing with the stream of organic polyisocyanate and before application to the substrate to prevent or substantially reduce the formation of gel particles;wherein the monohydric primary or secondary alcohol has a 90% evaporation rate at 25.degree. C. of less than 10,000 seconds as determined by ASTM D3539 using an Automatic Shell Thin Film Evaporator.

Abstract: An air-dry acrylic lacquer capable of forming a low-color, non-yellowing finish with excellent adhesion to either lacquer or enamel-coated substrates is provided. The lacquer is composed primarily of poly(methyl methacrylate), a methyl methacrylate/ethyl acrylate/t-butylaminoethyl methacrylate terpolymer, cellulose acetate butyrate, and a polyester plasticizer. Ordinarily, the lacquer is nonpigmented and provides a clear, glossy and durable film useful as the clear coat of a color coat/clear coat automotive finish.

Abstract: A thermoplastic powder coating composition is provided, comprising particles of polymeric material comprising a mixture of polymer (A) and polymer (B),polymer (A) and polymer (B) being selected from the group consisting of polymer of ethylenically unsaturated monomer, alkyd, polyester, and polyester urethane,one of either polymer (A) or polymer (B) containing an average of about 0.9-1.1 reactive groups per molecule and the other of polymer (A) or polymer (B) containing an average of 1-10 reactive groups per molecule,the reactive groups on polymer (A) being coreactive in a condensation reaction with the reactive groups on polymer (B), andpolymer (A) and polymer (B) are compatible.

Abstract: A thermoplastic powder coating composition is provided, comprising particles of polymeric material comprising a mixture of polymer (A) and polymer (B),polymer (A) and polymer (B) being selected from the group consisting of polymer of an alkyd, polyester, and polyester urethane,one of either polymer (A) or polymer (B) containing an average of about 0.9-1.1 reactive groups per molecule and the other of polymer (A) or polymer (B) containing an average of 1-10 reactive groups per molecule,the reactive groups on polymer (A) being coreactive in a condensation reaction with the reactive groups on polymer (B), andpolymer (A) and polymer (B) are compatible.

Abstract: A coating composition for finishing the exterior of automobile and truck bodies having a film forming binder of the following constituents:(a) polymethyl methacrylate;(b) a copolymer of methyl methacrylate and an alkyl amino alkyl methacrylate such as diethyl amino ethyl methacrylate;(c) a copolymer of methyl methacrylate and an alkyl acrylate such as butyl acrylate;(d) cellulose acetate butyrate;(e) a polyester plasticizer(f) a polymer of methyl methacrylate, an alkyl acrylate and an .alpha.-.beta. ethylenically unsaturated monocarboxylic acid such as acrylic acid or methacrylic acid reacted with an alkylene imine such as propylene imine;The composition has good adhesion to lacquer and enamel finishes used on automobiles and truck bodies and is excellent for refinishing automobile and truck bodies.