Vesiculated polymer granules

Details Vesiculated polymer granules Vesiculated polymer granules

1987-09-08

1989-02-28

Short, Patricia

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 64, 523502, 525 46, C08L 6706

Patent

active

048086339

ABSTRACT:
Vesiculated granules of cross-linked carboxylated polyester resin prepared by the free radical polymerization of a dispersion of an ethylenically unsaturated monomer, a carboxylated unsaturated polyester resin having an acid value of from 5-50 mg KOH/g and an alkyl acryloyl derivative. Aqueous compositions comprising the granules are used in conjunction with fibrous cellulosic or non-cellulosic materials for the preparation of paper containing the vesiculated polymeric granules dispersed therein. The paper has improved optical opacity.

REFERENCES:
patent: 3822224 (1974-07-01), Gillan
patent: 4278575 (1981-07-01), Nakamura

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