Method of producing highly absorbent resins

Details Method of producing highly absorbent resins Method of producing highly absorbent resins

1987-05-06

1989-05-02

Ivy, C. Warren

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

Synthetic resins

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

524459, C08F 800

Patent

active

048269174

ABSTRACT:
Polymerization of acrylic or methacrylic acid and a water-soluble acrylic or methacrylic acid salt in the presence of a carboxyl group-containing polyvinyl alcohol resin gives highly water-absorbing resins with the water absorbency, water absorption rate, water insolubility and other characteristics well balanced therein.

REFERENCES:
patent: 3586689 (1971-06-01), Nicherson et al.
patent: 3966679 (1976-06-01), Gross
patent: 4296017 (1981-10-01), Weissgerber et al.
patent: 4320040 (1982-03-01), Fujita et al.
patent: 4351922 (1982-09-01), Yoshida et al.
patent: 4541871 (1985-09-01), Obayashi et al.
patent: 4666975 (1987-05-01), Yamasaki et al.

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