Thermosetting vinyl acetate tetrapolymer coatings

Details Thermosetting vinyl acetate tetrapolymer coatings Thermosetting vinyl acetate tetrapolymer coatings

1982-10-08

1984-04-03

Ivy, C. Warren

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524512, 524765, 524853, 526317, C08F 00000

Patent

active

044408943

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 C.sub.2 -C.sub.8 hydroxyalkyl acrylate or methacrylate, from 3% to 10% of C.sub.2 -C.sub.4 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.

REFERENCES:
patent: 3208963 (1965-09-01), Jasinski
patent: 3311583 (1967-03-01), Bearden
patent: 3763117 (1973-10-01), McKenna
patent: 3926888 (1975-12-01), Cheung
patent: 4126595 (1982-06-01), Martorano
patent: 4338379 (1982-07-01), Strolle

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