Patent ID: 6521700
Filing Date: 2003-02-18
Classification: C08G,C09D

Abstract:
A coating composition comprisinga condensation product A of a carboxyl group-containing resin A1 having a Staudinger Index, measured in dimethyl formamide as a solvent, of from 4.0 to 12 cm3/g, and a hydroxyl group-containing resin A2 having a Staudinger Index, measured in dimethyl formamide as a solvent, of from 8 to 13 cm3/g, and a curing agent C which becomes active only at elevated temperature of at least 80Â° C., wherein said curing agent comprises a mixture of mass fractions of from 95 to 20% of a water-insoluble blocked polyfunctional isocyanate C1 and from 5 to 80% of a hydrophilic blocked isocyanate C2.