Organic pigments

Details Organic pigments Organic pigments

1980-06-23

1981-10-06

Ziegler, J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525260, 525265, 525289, 525292, 525293, 525296, 525298, 525309, 525313, 525316, 525317, C08F26710

Patent

active

042936667

ABSTRACT:
Disclosed are novel organic pigments adapted particularly for use as fillers for paper. The organic pigments are finely divided particles obtained by graft copolymerizing an ethylenically unsaturated monomer, such as styrene, onto a water-soluble cationic prepolymer in an aqueous solution and in the presence of a free-radical polymerization initiator.

REFERENCES:
patent: 2958673 (1960-11-01), Jen
patent: 3824114 (1974-07-01), Vassilliades et al.
patent: 3842057 (1974-10-01), Keim
patent: 4017442 (1977-04-01), Gibbs et al.
patent: 4056501 (1977-11-01), Gibbs et al.

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