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Title:
WATER-ABSORBENT RESIN AND ABSORBENT ARTICLE
Document Type and Number:
WIPO Patent Application WO/2016/006131
Kind Code:
A1
Abstract:
Provided are: a water-absorbent resin that has good dispersibility even in a moisture absorption state when forming an absorbent body that constitutes an absorbent article, and that makes it possible to efficiently produce an absorbent article by preventing problems during the production thereof; and an absorbent article that uses an absorbent body comprising the water-absorbent resin. The water-absorbent resin is obtained by polymerizing a water-soluble ethylenically unsaturated monomer and using a post-crosslinking agent to post-crosslink the result, and is characterized by satisfying the following requirements: (A) yellowness is 5.0 or less; and (B) gel strength is 1800 Pa or less.

Inventors:
HINAYAMA TETSUHIRO (JP)
MURAKAMI MASAHIRO (JP)
YABUGUCHI HIROKI (JP)
YOKOYAMA HIDEKI (JP)
Application Number:
PCT/JP2014/079244
Publication Date:
January 14, 2016
Filing Date:
November 04, 2014
Export Citation:
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Assignee:
SUMITOMO SEIKA CHEMICALS (JP)
International Classes:
C08F2/32; A61F5/44
Domestic Patent References:
WO2012081355A12012-06-21
Foreign References:
JP2012031292A2012-02-16
JP2012012482A2012-01-19
JP2003246812A2003-09-05
JP2003246810A2003-09-05
JPH09136966A1997-05-27
JPH11347402A1999-12-21
Other References:
See also references of EP 2993190A1
Attorney, Agent or Firm:
KAMATA, Hisao (JP)
Hisao Kamata (JP)
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