Patent ID: 8287638
Filing Date: 2012-10-16
Classification: C08G,C09D

Abstract:
1. An aqueous effect pigment paste comprising (A) at least one effect pigment, wherein the pigment concentration in said aqueous effect pigment paste is 1.0 to 70 percent by weight, (B) an aqueous dispersion of at least one graft copolymer prepared by subjecting at least one monomer (a) in an aqueous dispersion of at least one polyurethane (B1) to free radical (co)polymerization,  wherein the at least one polyurethane comprises at least one lateral and/or at least one terminal ethenylarylene group and the at least one polyurethane is prepared by reacting (C) at least one surface-active compound selected from the group consisting of polyoxyalkylene derivatives of nondrying oils.