Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1996-09-10
1998-09-01
Kight, John
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
536118, 536119, 536126, 526321, 502401, 502402, 502404, C07H 100, C07H 510, B01J 2000
Patent
active
058012389
ABSTRACT:
A method for producing a water absorbent resin comprising the step of radically polymerizing a water-soluble radically polymerizable monomer having an acid group or a group of the salt thereof and optionally a polysaccharide in the presence of water using a crosslinking agent (C), wherein 0.0001 to 1 weight % of a thiol compound (D) having a radically polymerizable double bond, based on the above mentioned water-soluble radically polymerizable monomer (A), is used as the copolymerizing component to provide a water absorbent resin having a high absorbency and a good gel stability after absorbing body fluid, and a water absorbent comprising the water absorbent resin produced thereby.
REFERENCES:
patent: 4076663 (1978-02-01), Masuda et al.
patent: 5281683 (1994-01-01), Yano et al.
patent: 5314420 (1994-05-01), Smith et al.
patent: 5474915 (1995-12-01), Dordick et al.
Date Masashi
Tamabuchi Satoshi
Tanaka Keiji
Tsubota Kenjiro
Yuki Tsuyoshi
Kight John
Sanyo Chemical Industries Ltd.
White Everett
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