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Title:
WATER-ABSORBENT RESIN POWDER AND ABSORBER AND ABSORBENT ARTICLE USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2013/099174
Kind Code:
A9
Abstract:
To provide an absorber that has a high absorption speed, is unlikely to cause a liquid to remain on a skin-contacting surface, has excellent dry feeling, and is unlikely to cause excreted body fluid to return, and a water-absorbent resin powder that can be suitably used in the absorber. A water-absorbent resin powder of the present invention is characterized by meeting the following requirements (a) to (d): (a) a bulk density: 0.45 g/ml to 0.62 g/ml; (b) an absorption speed by a vortex method: 20 seconds to 50 seconds; (c) a liquid-passing speed under load: 10 seconds or less; and (d) a moisture absorption blocking ratio: 5% or less. An absorber of the present invention uses the water-absorbent resin powder of the present invention. An absorbent article of the present invention includes the absorber of the present invention.

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Inventors:
OTA YOSHIHISA (JP)
NISHIDA MOTOKO (JP)
IKEUCHI MASATOSHI (JP)
Application Number:
PCT/JP2012/008168
Publication Date:
September 19, 2013
Filing Date:
December 20, 2012
Export Citation:
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Assignee:
LIVEDO CORP (JP)
International Classes:
A61F13/532; C08F2/44
Attorney, Agent or Firm:
FUTAKUCHI, Osamu (8-15 Nishinakajima 3-chome, Yodogawa-ku, Osaka-sh, Osaka 11, JP)
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