Water-absorbent resin and absorbent article
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United States of America Patent
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May 29, 2018
Issued Date -
Apr 20, 2017
app pub date -
Nov 4, 2014
filing date -
Jul 11, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The following are provided: a water-absorbent resin in which, in the formation of an absorbent material forming an absorbent article, dispersion is satisfactory even in a moisture absorption state, which prevents the occurrence of troubles at the time of manufacturing of the absorbent article and which allows efficient manufacturing; and an absorbent article using an absorbent material containing the water-absorbent resin. The water-absorbent resin according to the present invention is obtained by polymerizing a water-soluble ethylenically unsaturated monomer and performing post-crosslinking thereon with a post-crosslinking agent, and the water-absorbent resin satisfies the requirements below:
- (A) yellow index is 5.0 or less; and(B) gel strength is 1800 Pa or less.
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