Water-absorbent resin and process for producing the same

Details Water-absorbent resin and process for producing the same Water-absorbent resin and process for producing the same

1987-02-04

1988-09-13

Schofer, Joseph L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 5426, 5253301, 5253302, 525370, 525371, 525372, C08F 842

Patent

active

047711051

ABSTRACT:
A water-absorbent resin of polyacrylic acid series characterized in that the resin has the crosslinked surface formed by reacting a powdery water-absorbent resin of polyacrylic acid series with an aluminum compound which can react with the powdery resin in the presence of polyhydric alcohol and water.

REFERENCES:
patent: 3779952 (1973-12-01), Leonard, Jr.
patent: 3802912 (1974-04-01), Otocka
patent: 4027082 (1977-05-01), Gavrilova et al.
patent: 4076663 (1978-02-01), Masuda et al.
patent: 4090013 (1978-05-01), Ganslaw et al.
patent: 4401795 (1983-08-01), Herman et al.
patent: 4558091 (1985-12-01), Hubbard

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