Process for the preparation of densely colored pellet for synthe

Details Process for the preparation of densely colored pellet for synthe Process for the preparation of densely colored pellet for synthe

1986-05-12

1988-09-20

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Dry dye composition other than mere mixture of two or more...

Dye in specified form other than mere powder

8524, C09B 6702

Patent

active

047722916

ABSTRACT:
A process for the preparation of a densely colored pellet for addition to a synthetic resin involves converting a dye into a cyclodextrin clathrate compound thereof, powdering the clathrate compound by drying, mixing the powder with a synthetic resin material in a molten state and pelletizing the mixture. The obtained pellet can be uniformly dispersed in a synthetic resin material to color the resin material without causing bleeding of the dye or fading of the product.

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