C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
117/192, 400/421
C08G 18/42 (2006.01) C08G 18/40 (2006.01) C09D 175/06 (2006.01)
Patent
CA 1162672
ABSTRACT OF THE DISCLOSURE A water based coating composition that can be dried at ambient temperatures and is useful for coating metal or plastic substrates and in particular for finishing or repairing automobiles and trucks; the coating composition contains water, organic solvent, binder and pigments; the binder is of (1) an alkyd of an esterification product of drying oil fatty acids, aromatic polycarboxylic acids and a polyhydric alcohol; (2) an alkylated melamine formaldehyde resin, (3) an acrylic dispersing resin and (4) an organo metallic drier; the improvement that is used with this composition is (1) a polyisocyanate such as the biuret of hexamethylene diisocyanate or isophorone diisocyanate and (2) an aqueous ammonia solution.
378805
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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