Title:
Water absorbency resin powder, the absorber using this, an absorptive article
Document Type and Number:
Japanese Patent JP6013729
Kind Code:
B2
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:
Yoshihisa Ota
Nishida Motoko
Masatoshi Ikeuchi
Nishida Motoko
Masatoshi Ikeuchi
Application Number:
JP2011285291A
Publication Date:
October 25, 2016
Filing Date:
December 27, 2011
Export Citation:
Assignee:
Live Do Corporation
International Classes:
A61F13/53; A61F13/505
Domestic Patent References:
| JP2010017536A | ||||
| JP2009051952A | ||||
| JP2011224386A | ||||
| JP10118113A |
Foreign References:
| WO1995033558A1 |
Attorney, Agent or Firm:
Osamu Futakuchi