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Title:
AQUEOUS LIQUID ABSORBING RESIN, AQUEOUS LIQUID ABSORBING COMPOSITION, AND ABSORBENT BODY AND ABSORBENT ARTICLE USING SAME
Document Type and Number:
WIPO Patent Application WO/2014/046106
Kind Code:
A1
Abstract:
An absorbent resin and absorbent composition that use a large amount of material derived from plants, have excellent aqueous liquid absorbing capability, and have excellent absorbing capability in a compressed state due to having a favorable gel elastic modulus. An absorbent resin made by bonding a polysaccharide oxide (A1) having a carboxyl group that may be neutralized by a neutralizing agent, and/or a cross-linked compound thereof (A2), with a poly(meth)acrylic acid (B1) where at least one of the carboxyl groups may be neutralized by a neutralizing agent, and/or a cross-linked compound thereof (B2); or an absorbent composition made by blending (A1) and/or (A2) and (B1) and/or (B2); wherein the weight average molecular weight of (A1) is 2000 to 10,000,000, the acid value of (A1) is 65 to 524 mg KOH/g, and if (A1) has a carboxyl group that has been neutralized by a neutralizing agent, the acid value prior to neutralizing is 65 to 524 mg KOH/g.

Inventors:
UEDA YUSUKE (JP)
KANDA YOICHI (JP)
Application Number:
PCT/JP2013/075106
Publication Date:
March 27, 2014
Filing Date:
September 18, 2013
Export Citation:
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Assignee:
SANYO CHEMICAL IND LTD (JP)
International Classes:
C08G81/02; C08F251/00; C08K5/00; C08L51/02
Domestic Patent References:
WO2012128264A12012-09-27
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
EP0489424A21992-06-10
JPS62247837A1987-10-28
JPH10195101A1998-07-28
JP3205168B22001-09-04
JP2003225565A2003-08-12
JP2006131767A2006-05-25
JPS59189103A1984-10-26
JPS61211305A1986-09-19
JPS61252212A1986-11-10
JPS51136588A1976-11-26
JPS61257235A1986-11-14
JP2011252088A2011-12-15
Other References:
F. MASUDA, CHEMICAL ECONOMY & ENGINEERING REVIEW, November 1983 (1983-11-01), pages 19P
"Perrys Chemical Engineer's Handbook, 6th ed.", 1984, MCGRAW-HILL BOOK COMPANY, pages: 21
See also references of EP 2899224A4
Attorney, Agent or Firm:
FURUTANI, Shinya (JP)
Shin-ya Furuya (JP)
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