Method for preparing water absorbent resin

Details Method for preparing water absorbent resin Method for preparing water absorbent resin

1996-09-13

1998-08-04

Yoon, Tae

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526224, 526227, 526238, 526930, 523105, 524916, 525 543, 525 5431, C08F 238, G08G 6391, C08L 300

Patent

active

057895074

ABSTRACT:
A method for preparing water-absorbent resins (D) by radically polymerizing a water soluble monomer (A), or a water-soluble monomer (A) and a polysaccharide (B) in the presence of a crosslinking agent (C) and water, wherein the polymerization is conducted under the existence of a thiol compound (E). Water-absorbent resins obtained in the method of the present invention provide high absorption while providing safety with very little amount of a water-soluble component.

REFERENCES:
patent: 4076663 (1978-02-01), Masuda et al.
patent: 4107156 (1978-08-01), Sunamori et al.
patent: 4281233 (1981-07-01), Coupek et al.
patent: 4654038 (1987-03-01), Brandt et al.
patent: 4663163 (1987-05-01), Hou et al.
patent: 4977892 (1990-12-01), Ewall
patent: 5331021 (1994-07-01), Ahmed et al.

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