Pigment concentrates for resins

Details Pigment concentrates for resins Pigment concentrates for resins

1987-10-23

1988-11-29

Lilling, Herbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523333, 524120, 524140, 524141, 524143, 524145, 524286, C08K 501, C08K 509

Patent

active

047882328

ABSTRACT:
Resinous pigment concentrates comprising at least one pigment and a dispersing additive of a naphthenic extender oil and/or a phosphate ester blended with a major portion of a resinous polymer containing a significant proportion of at least one polymerized conjugated diene monomer, when used for coloring resinous polymers as described, are effective in reducing such defects in finished articles as gels and surface blemishes.

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