Water-absorbent resin having improved water-absorbency and impro

Details Water-absorbent resin having improved water-absorbency and impro Water-absorbent resin having improved water-absorbency and impro

1982-12-09

1985-03-26

Lieberman, Allan M.

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

Synthetic resins

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

525 5431, 525 5432, 525116, 525118, 525125, 525155, 527306, C08L 302, C08L 900, C08L 3104, C08L 3306

Patent

active

045074380

ABSTRACT:
Water-absorbent resins having improved water-absorbency, water-absorption rate and water-dispersibility can be produced by crosslinking a water-absorbent resin comprising a carboxylate as a constituent of the resin with a crosslinking agent having at least two functional groups in the presence of water in a proportion of 0.01 to 1.3 parts by weight per part by weight of the resin in an inert solvent.

REFERENCES:
patent: 3966679 (1976-06-01), Gross
patent: 4351922 (1982-09-01), Yoshida et al.

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