COMPOSITE SHEET FOR ABSORBENT ARTICLES

WIPO Patent Application WO/2023/234098

A1

Provided is a composite sheet for absorbent articles, which exhibits excellent durability while keeping the touch thereof at a satisfactory level. The composite sheet 10A is a composite sheet 10A for absorbent articles, the composite sheet 10A having a first direction W, a second direction L and a thickness direction T which are perpendicular to one another, and comprising a first non-woven fabric 11 and a second non-woven fabric 14 in this order when observed in the thickness direction T, and further including a plurality of plurality of bonding parts 18 at which the first non-woven fabric 11 and the second non-woven fabric 14 are thermally bonded to each other, in which the first non-woven fabric 11 has a first fiber layer 12 and a second fiber layer 13 arranged between the first fiber layer 12 and the second non-woven fabric 14, the first fiber layer 12 contains a composite fiber, the composite fiber includes a polypropylene-based resin part 20 comprising a polypropylene-based resin and a polyethylene-based resin part 22 comprising a polyethylene-based resin in a cross section thereof, the second fiber layer 13 contains a single fiber made from a polypropylene-based resin, and the second non-woven fabric 14 contains a polypropylene-based resin on a surface thereof which comes in contact with the second fiber layer 13.

MITSUNO SATOSHI (JP)
MIYOSHI TAKAYUKI (JP)

PCT/JP2023/018932

December 07, 2023

May 22, 2023

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UNICHARM CORP (JP)

A61F13/51

WO2020153464A1

2020-07-30

JP2012235806A	2012-12-06
JP2006044091A	2006-02-16
JP2019162372A	2019-09-26
JP2018038465A	2018-03-15

AOKI, Atsushi et al. (JP)

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