Patent ID: 6028162
Filing Date: 2000-02-22
Classification: C09D,Y10T

Abstract:
An epoxy resin-free coating system comprising a base thermoplastic polyester, color pigment, filler, leveling agents and further customary auxiliaries, wherein the coating system further includes about 0.5 to 15% by wt. of an adhesion-promoting amorphous polyester prepared from a mixture consisting essentially ofA) at least one aliphatic or cycloaliphatic polycarboxylic acid and at least one aromatic carboxylic acid or an ester-forming compound thereof;B) at least one aliphatic or cycloaliphatic polyfunctional alcohol; andC) optionally, a hydroxy carboxylic acid, said adhesion-promoting polyester having a molar mass of from about 500 to 20,000.