Patent ID: 6207224
Filing Date: 2001-03-27
Classification: C08G,C08J,C09D,Y10T

Abstract:
A process for coating a colored thermoplastic substrate having a surface with splay marks and surface blushing which comprises applying a solvent based coating composition to the substrate and curing the coating composition at ambient temperature to 125.degree. C. to form a uniform smooth film of a degree sufficient to hide underlying said splay marks and surface blushing on the substrate;wherein the coating composition comprises about 45-80% by weight of a film forming binder and 20-55% by weight of an organic liquid carrier; wherein the binder consists essentially of(A) 40-90% by weight, based on the weight of the binder, of a chlorinated polyolefin-free polymer selected from the group consisting of acrylic polyol, polyester polyol, polyether polyol or a polyurethane polyol; and(B) 10-60% by weight, based on the weight of the binder, of an organic polyisocyanate crosslinking agent; andwherein the organic liquid carrier used in the coating composition consists of at least 50% by weight, based on the weight of the organic liquid carrier used in the coating composition, of tertiary butyl acetate and up to 50% by weight, based on the weight of the organic liquid carrier, of other compatible organic solvent.