Fine-particle aggregate emulsion

Details Fine-particle aggregate emulsion Fine-particle aggregate emulsion

1990-10-19

1992-03-10

Schwartz, Pamela R.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Having nonreactant particles of defined size

427152, 503200, 503226, B41M 530, B41M 536, B41M 540

Patent

active

050949985

ABSTRACT:
Disclosed in a fine-particle aggregate emulsion comprising aggregate particles formed from a copolymer (a) composed of an unsaturated carboxylic acid and a vinyl monomer copolymerizable therewith, and a foreign polymer (b) formed by polymerization of a vinyl monomer differing in composition from that used in copolymer (a), foreign polymer (b) being present in the form of particles having a diameter of 0.05 to 0.5 .mu., the aggregate particles having a diameter of 0.2 to 3.0 .mu..
This fine-particle aggregate emulsion is useful in paints, paper coating and information recording paper.

REFERENCES:
patent: 4427836 (1984-01-01), Kowalski et al.
patent: 4904635 (1990-02-01), Tamagawa et al.

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