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1. (WO2010113754) WATER-ABSORBING SHEET

Pub. No.:    WO/2010/113754    International Application No.:    PCT/JP2010/055221
Publication Date: Fri Oct 08 01:59:59 CEST 2010 International Filing Date: Fri Mar 26 00:59:59 CET 2010
IPC: A61F 13/49
A61F 13/53
Applicants: SUMITOMO SEIKA CHEMICALS CO., LTD.
住友精化株式会社
TAKATORI, Junichi
鷹取 潤一
SAKATA, Jun
坂田 淳
INABA, Haruka
稲葉 悠
MATSUSHITA, Hideki
松下 英樹
Inventors: TAKATORI, Junichi
鷹取 潤一
SAKATA, Jun
坂田 淳
INABA, Haruka
稲葉 悠
MATSUSHITA, Hideki
松下 英樹
Title: WATER-ABSORBING SHEET
Abstract:
Disclosed is a water-absorbing sheet having such a structure that an absorption layer containing at least water-absorbing resin is sandwiched by two or more hydrophilic nonwoven fabrics and subjected to corrugated embossing (2) and linear embossing (4), wherein the branch structure of embossing formed by the corrugated embossing (2) and linear embossing (4) has a substantially Y-shape, non-embossed regions (W2, W2') are provided at the end of the water-absorbing sheet (1) in the longitudinal direction, and the ratio of embossed area of the water-absorbing sheet (1) to the total area thereof is 3-25%. Even a water-absorbing sheet includes extremely little pulp, the sheet is embossed into a specific shape, whereby a water-absorbing sheet exhibiting high liquid penetration rate without causing any leak can be provided.