Patent ID: 8980977
Filing Date: 2015-03-17
Classification: C01P,C08K,C09C

Abstract:
1. Pigment granules comprising at least one support material which is coated with at least one flake-form effect pigment by means of at least one adhesion promoter, wherein: a) the support material comprises solid polymer beads, hollow polymer beads, solid glass beads or hollow glass beads which have a particle size D50 of 15 to 299 μm, and the proportion of flake-form effect pigment in the pigment granule is 40-90% by weight, or b) the support material comprises solid glass beads or hollow glass beads which have a particle size D50 of 3 to 1000 μm, and the proportion of flake-form effect pigment in the pigment granule is from more than 50% to 75% by weight; and c) the at least one adhesion promoter comprises 1 10% by weight of the granule and is selected from the group consisting of: ethylene-acrylic acid emulsions (EAA), acrylate dispersions, polyurethane dispersions and acrylate-polyurethane copolymer dispersions.