Absorbent polymers having a reduced caking tendency

Details Absorbent polymers having a reduced caking tendency Absorbent polymers having a reduced caking tendency

1996-04-04

1998-03-17

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

427222, 4283179, 521149, C08J 936, B05D 700, B05D 300

Patent

active

057287422

ABSTRACT:
The subject invention provides water-swellable polymer compositions having reduced caking tendencies. Such polymer compositions can be produced by employing quaternary ammonium salts. In addition to having reduced caking tendencies such polymers have reduced dust and substantially maintain or increase the surface tension of an aqueous fluid in equilibrium with the polymer and air.

REFERENCES:
patent: 4300994 (1981-11-01), Liotta
patent: 4339373 (1982-07-01), Robinson
patent: 4490281 (1984-12-01), James et al.
patent: 4510073 (1985-04-01), Hara et al.
patent: 4734478 (1988-03-01), Tsubakimoto et al.
patent: 4997714 (1991-03-01), Farrar et al.

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