Process for producing a water-absorbent resin

Details Process for producing a water-absorbent resin Process for producing a water-absorbent resin

1985-05-28

1987-07-28

Henderson, Christopher

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526200, 526204, 526207, 5253171, C08F 2004, C08F 232

Patent

active

046832742

ABSTRACT:
A water-absorbent resin usable as a suitable water absorbent in sanitary materials and other fields can be produced by subjecting an aqueous solution of an .alpha.,.beta.-unsaturated carboxylic acid and of an alkali metal salt thereof to polymerization with a radical polymerization initiator in a petroleum-based hydrocarbon solvent in the presence or absence of a crosslinking agent and, in this polymerization, using a saccharose-fatty acid ester as a protective colloid agent.

REFERENCES:
patent: 4456735 (1984-06-01), Engelmann
patent: 4459396 (1984-07-01), Yamasaki

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