Colorant preparations, a process for their production and their use for coloring plastics

摘要

A colorant preparation containing (A) a colorant which is sparingly soluble or insoluble in water, (B) a plasticizer based on an ester and (C) a reaction product of a fatty acid ester of a polyhydric alcohol and ethylene oxide, a process for the production of this preparation and its use for pigmenting plastics.