New pigmentpraeparationen comprising an organic pigment, a process for their preparation and their use for coloring of thermoplastic plastics

摘要

Pigment preparations containing from 50 to 75 % by weight of an organic pigment, as carrier material polymers based on methyl and/or butyl methacrylate which have a molecular weight of from 100,000 to 200,000, a plasticiser based on full esters of polyalcohols with polyfunctional acids, and also a dispersant based on partial esters of polyalcohols with fatty acids.