Absorbent composition of matter

Details Absorbent composition of matter Absorbent composition of matter

1975-03-07

1978-05-16

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

128284, 128296, 252431C, 252431P, 252431R, 260 793MU, 260 797, 260113, 260117, 260119, 260DIG47, 424 65, 424 66, 424 68, 424 78, 424 81, 526 16, 526 473, 526 476, 526 81, 526 86, 526240, 526317, 536 3, 536101, 536102, 536121, C08F 842, C08L 304, C08L 500

Patent

active

040900134

ABSTRACT:
A dry, solid, water-swellable, water-insoluble absorbent composition of matter comprises an ionic complex of a water-soluble anionic poly-electrolyte and a polyvalent metal cation. The composition is characterized by an ability to uncomplex at an elevated pH and recomplex at a lower pH.

REFERENCES:
patent: 2103153 (1937-12-01), Dunham
patent: 2861045 (1958-11-01), Langer
patent: 3081291 (1963-03-01), Richmond
patent: 3563978 (1971-02-01), Ochs
patent: 3779952 (1973-12-01), Leonard
patent: 3886125 (1975-05-01), Chromecer

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