发明授权
US4332587A Colorant preparations, a process for their production and their use for coloring plastics 失效
着色剂,它们的生产过程和塑料着色剂的使用

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.
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