Absorbent composition of matter, process for preparing same and

Details Absorbent composition of matter, process for preparing same and Absorbent composition of matter, process for preparing same and

1980-08-25

1984-06-12

Barr, Josephine

Compositions

Humidostatic, water removive, bindive, or emissive

128156, 604368, 128285, 604376, C09K 300

Patent

active

044540558

ABSTRACT:
A dry, solid, water-swellable absorbent composition of matter is prepared by blending together (a) a water-insoluble absorbent polymer and (b) from 1 to 75%, by weight of the blend, of an extender material selected from uncrosslinked cellulose derivatives, starch, certain clays and minerals, or mixtures thereof. The composition is characterized by having an absorbency exceeding the sum of the absorbencies, calculated proportionately, of the individual components. In one preferred embodiment, the absorbent polymer is a water-swellable ionic complex of a water-soluble anionic polyelectrolyte and a polyvalent metal cation having a valence of at least three.

REFERENCES:
patent: 3935363 (1976-01-01), Burkholder et al.
patent: 4043952 (1977-08-01), Ganslaw et al.
patent: 4134863 (1979-01-01), Fanta et al.
patent: 4190563 (1980-02-01), Bosley et al.

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