Patent ID: 6531524
Filing Date: 2003-03-11
Classification: C08K,C09D

Abstract:
A powder coating composition comprising a dry-blend mixture of the following particulate components (a), (b) and (c):(a) a film-forming polymeric component having: (p1) a d(v,50) of from 25 to 50 microns, (p2) a d(v,70) of from 25 to 70 microns, or (p3) no more than 70% by volume of the particles being less than 50 microns; (b) at least one appearance-modifying additive component; and (c) a further additive component comprising wax-coated silica or consisting essentially of alumina and aluminum hydroxide, wherein the film-forming component having particle size (p1), (p2) or (p3) constitutes at least 60% by weight of the composition.