High solids acrylic dispersion lacquer including a...

Details High solids acrylic dispersion lacquer including a... High solids acrylic dispersion lacquer including a...

C - Chemistry, Metallurgy

08

F

400/3068

C08F 265/06 (2006.01) C08F 2/06 (2006.01) C09D 133/12 (2006.01)

Patent

CA 1165039

ABSTRACT OF THE DISCLOSURE A high solids acrylic dispersion lacquer coating composition having an acrylic polymer binder content of about 25-45% by weight in a nonaqueous medium; wherein the acrylic polymer is a blend of (1) Polymer A of methyl methacrylate and a polymerized monomer of allyl methacrylate, alkyl amino alkyl methacrylate or mixtures thereof; (2) Copolymer B of methyl methacrylate and an alkyl acrylate having 6-12 carbon atoms in the alkyl group: and (3) A graft copolymer of Polymer A which forms a backbone of the graft copolymer and Copolymer B attached to the backbone which forms side chains of the graft copolymer; and wherein the nonaqueous medium is a blend of (a) an aliphatic solvent which at 25°C is a nonsolvent for Polymer A and a solvent for Copolymer B; and (b) a coalescing solvent for the binder; the composition is useful as an exterior finish for automobiles and trucks.

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