Title:
LONG-FIBER NONWOVEN FABRIC, MANUFACTURING METHOD THEREOF, AND SANITARY MATERIAL
Document Type and Number:
WIPO Patent Application WO/2024/070158
Kind Code:
A1
Abstract:
The present invention provides a long-fiber nonwoven fabric made of composite fibers comprising a first component that is a polyester resin and a second component that is a polyolefin resin, wherein the composite fiber is crimped, the number of bonding points of composite fibers per unit area on one surface of the long-fiber nonwoven fabric and the number of bonding points of composite fibers per unit area on the other surface of the long-fiber nonwoven fabric are both 20 pieces/mm2 to 60 pieces/mm2 inclusive, and the fiber density of the long-fiber nonwoven fabric is 0.010 g/cm3 to 0.050 g/cm3 inclusive. This long-fiber nonwoven fabric has excellent cushioning properties for use as a nonwoven fabric for a sanitary material used on the skin-contacting surface of the sanitary material, and has excellent flexibility on both the front and back surfaces.
Inventors:
IZUHARA YUICHI (JP)
MORIOKA HIDEKI (JP)
KAJIWARA KENTARO (JP)
MORIOKA HIDEKI (JP)
KAJIWARA KENTARO (JP)
Application Number:
PCT/JP2023/026951
Publication Date:
April 04, 2024
Filing Date:
July 24, 2023
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
D04H3/018; A61F13/511; D04H3/147; D04H3/16
Domestic Patent References:
| WO2021010357A1 | 2021-01-21 |
Foreign References:
| JPH01201503A | 1989-08-14 | |||
| JPS63282350A | 1988-11-18 | |||
| CN112301552A | 2021-02-02 | |||
| KR20050047793A | 2005-05-23 | |||
| JPH08218260A | 1996-08-27 | |||
| JP2017527706A | 2017-09-21 |
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