Thermosetting vinyl acetate coatings

Details Thermosetting vinyl acetate coatings Thermosetting vinyl acetate coatings

C - Chemistry, Metallurgy

08

F

400/5474

C08F 226/06 (2006.01) C09D 131/04 (2006.01) C08L 61/32 (2006.01)

Patent

CA 1205241

THERMOSETTING VINYL ACETATE COATINGS ABSTRACT Thermosetting solvent solution coating compositions are disclosed which form hard and impact resistant baked coatings of good gloss retention on exterior exposure. These compositions comprise a butanol-containing solvent having dissolved therein a solution copolymer obtained by copolymerizing from 55% to 75% of vinyl acetate with from 15% to 40% of C2-C8 hydroxyalkyl acrylate or meth- acrylate, from 3% to 10% of C2-C4 hydroxyalkyl acrylate or methacrylate, and from about 0.5% to about 5% of copolymerizable monoethylenically unsaturated carboxylic acid in organic solvent medium consisting essentially of a butanol at a solids content of at least 65% This copolymer is used in admixture with a polyalkoxy-methyl melamine in an amount of from 8% to 20%, based on the mixture.

429056

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