C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1319
C08L 1/14 (2006.01)
Patent
CA 1212794
TITLE High Solids Color Coat Containing Alcohol Soluble Cellulose Acetate Butyrate ABSTRACT OF THE DISCLOSURE The coating composition useful as the exterior finish on automobiles and trucks contains about 25-50% by weight of a binder of film-forming constituents and 50-75% by weight of a volatile organic solvent carrier and additionally contains 2-150% by weight, based on the weight of the binder, of pigment; the binder is about 20-70% by weight of an acrylic polymer containing reactive hydroxyl, carboxyl, amide groups or any mixture of such groups, about 0-40% by weight of a hydroxy- terminated polyester urethane resin and about 25-40% by weight of an alkylated melamine formaldehyde cross- linking resin; in addition the composition contains about 4-20% by weight, based on the weight of the binder, of a rheology control agent of an alcohol soluble cellu- lose acetate butyrate having a buryryl content of about 45-50% by weight, a hydroxyl content of about 4-5% by weight and a viscosity of about 0.2-0.4 second.
446455
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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