Process for producing odor free, air dry, decorative latex paints
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United States of America Patent
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Jun 6, 1995
Issued Date -
N/A
app pub date -
Dec 16, 1993
filing date -
Feb 18, 1993
priority date (Note) -
Expired
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Abstract
An aqueous ambient dry paint coating based on an addition copolymer matrix polymer containing an oligomer selected from a polyurethane or a polyester having a Tg below -20.degree. C. and a number average molecular weight between 200 and 20,000, where the coating is free of organic coalescing solvents. The matrix polymer comprises emulsion copolymerized ethylenic monomers, preferably vinyl acetate monomer, and is produced by mixing the oligomer with the ethylenic monomers to form an organic mixture of monomer and oligomer, providing an aqueous micro dispersion of the organic mixture phase droplet size less than 5 microns, and copolymerizing the monomer to produce a vinyl acetate polymer containing oligomer, where the polymeric system is free of coalescing organic solvent.
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