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Title:
AQUEOUS-LIQUID-ABSORBABLE RESIN, AQUEOUS-LIQUID-ABSORBABLE COMPOSITION, AND ABSORBER MATERIAL AND ABSORBABLE OBJECT EACH PRODUCED USING SAME
Document Type and Number:
WIPO Patent Application WO/2012/128264
Kind Code:
A1
Abstract:
An absorbable resin, for which a large amount of a plant-derived raw material can be used, and which has an excellent capability of absorbing an aqueous liquid, and has a good gel modulus and therefore can exhibit an excellent absorbing capability under pressurized conditions; and an absorbable composition. An absorbable resin produced by binding an oxidized polysaccharide (A1) having a carboxyl group which may be neutralized with a neutralizing agent and/or a crosslinked product thereof (A2) to a poly(meth)acrylic acid (B1) in which at least one carboxyl group may be neutralized with a neutralizing agent and/or a crosslinked product thereof (B2); or an absorbable composition produced by mixing the component (A1) and/or the component (A2) with the component (B1) and/or the component (B2). The component (A1) has a weight average molecular weight of 2,000-10,000,000. The component (A1) has an acid value of 65-850 mgKOH/g. When the component (A1) has a carboxyl group which is neutralized with a neutralizing agent, the acid value of the component (A1) before the neutralization is 65-850 mgKOH/g.

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Inventors:
UEDA YUSUKE (JP)
KANDA YOICHI (JP)
Application Number:
PCT/JP2012/057089
Publication Date:
September 27, 2012
Filing Date:
March 21, 2012
Export Citation:
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Assignee:
SANYO CHEMICAL IND LTD (JP)
UEDA YUSUKE (JP)
KANDA YOICHI (JP)
International Classes:
C08L3/10; C08G81/00; C08L33/04
Foreign References:
JP2008303319A2008-12-18
JPS5282715A1977-07-11
JPS53149545A1978-12-27
JPS51125683A1976-11-02
JPS604583A1985-01-11
JPS617316A1986-01-14
JPH03174414A1991-07-29
JPH03177431A1991-08-01
JPH01285119A1989-11-16
JP2007270152A2007-10-18
Other References:
See also references of EP 2690133A4
Attorney, Agent or Firm:
FURUTANI, Shinya (JP)
Shin-ya Furuya (JP)
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Claims:



 
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