Title:
WATER-ABSORBENT SHEET AND ABSORBENT ARTICLE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2021/107159
Kind Code:
A1
Abstract:
[Problem] To provide a novel water-absorbent sheet with which it is possible to significantly reduce liquid discharge from the water-absorbent sheet caused by reversal, even when there is intermittent entry of liquid a plurality of times (in particular, three or more times). [Solution] A water-absorbent sheet having a first base material, a second base material, and a water-absorbent layer positioned between the first base material and the second base material, wherein the water-absorbent layer includes a particulate water absorbent, the surface of the first base material forms a water-absorbent surface that directly absorbs liquid, and the ratio (thickness (mm) of first base material/thickness (mm) of second base material) of the thickness (mm) of the first base material to the thickness (mm) of the second base material is at least 1.5 and less than 14.
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Inventors:
HIRAUCHI TATSUSHI (JP)
FUJIKAWA RYOSUKE (JP)
YORIMOTO SADAIWA (JP)
KITANO TAKAHIRO (JP)
FUJIKAWA RYOSUKE (JP)
YORIMOTO SADAIWA (JP)
KITANO TAKAHIRO (JP)
Application Number:
PCT/JP2020/044517
Publication Date:
June 03, 2021
Filing Date:
November 30, 2020
Export Citation:
Assignee:
NIPPON CATALYTIC CHEM IND (JP)
International Classes:
D04H1/492; A61F13/53; A61F13/534; B01J20/26; B01J20/28; D04H1/54
Domestic Patent References:
| WO2019130591A1 | 2019-07-04 | |||
| WO2019198821A1 | 2019-10-17 | |||
| WO2018155591A1 | 2018-08-30 |
Foreign References:
| JP2019181237A | 2019-10-24 | |||
| JP2001198155A | 2001-07-24 | |||
| JPS544309B2 | 1979-03-05 | |||
| JP2001105520A | 2001-04-17 | |||
| JP2017530753A | 2017-10-19 | |||
| JP2019000592A | 2019-01-10 | |||
| JP2019042005A | 2019-03-22 |
Attorney, Agent or Firm:
HATTA & ASSOCIATES (JP)
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