Title:
ABSORBENT ARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/106205
Kind Code:
A1
Abstract:
As an absorbent article which is capable of preventing the occurrence of liquid running along a fold line in a state where the absorbent article has the fold line, the present invention provides an absorbent article which sequentially comprises a liquid permeable top sheet, an absorbent that contains a particulate poly(meth)acrylic acid (salt) water absorbent resin having the physical properties (1) to (3) described below, and a liquid impermeable back sheet in this order, wherein the basis weight of the water absorbent resin is 300 to 1,000 g/m2. (1) The liquid diffusion length (D) in the vertical direction is 15 mm or more.
(2) The ratio (L/D) of the liquid diffusion length (L) in the horizontal direction to the liquid diffusion length in the vertical direction is 0.5 to 1.5.
(3) The bulk density as specified in EDANA ERT 460. 2-02 is 0.68 g/mL or more.
Inventors:
TSURU KANAKO (JP)
MATSUMOTO SATOSHI (JP)
KITABATA SACHIE (JP)
ISHIZAKI KUNIHIKO (JP)
MATSUMOTO SATOSHI (JP)
KITABATA SACHIE (JP)
ISHIZAKI KUNIHIKO (JP)
Application Number:
PCT/JP2022/044391
Publication Date:
June 15, 2023
Filing Date:
December 01, 2022
Export Citation:
Assignee:
NIPPON CATALYTIC CHEM IND (JP)
International Classes:
C08J3/16; A61F13/53; A61F13/537; B01J20/26; B01J20/28; C08J3/24
Domestic Patent References:
| WO2019098244A1 | 2019-05-23 |
Foreign References:
| JP2016007340A | 2016-01-18 | |||
| JP2016536078A | 2016-11-24 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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