Patent ID: 8716384
Filing Date: 2014-05-06
Classification: C08K,C08L,C09B

Abstract:
1. A pigment concentrate for coloring thermoplastics, comprising 10 to 70% by weight of at least one color pigment, 1 to 60% by weight of at least one copolymer wax produced by reaction of long-chain olefin hydrocarbons in the chain length range ≧12 carbon atoms with unsaturated polycarboxylic acids or anhydrides thereof in the presence of at least one free-radical initiator, and comprising a) from 40 to 60 mol % of units derived from α-olefins of chain length C b) from 60 to 40 mol % of units derived from unsaturated polycarboxylic acids or anhydrides thereof, and also 0 to 60% by weight of at least one thermoplastic polyolefin.