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Title:
SPUN-BONDED NON-WOVEN FABRIC
Document Type and Number:
WIPO Patent Application WO/2023/090199
Kind Code:
A1
Abstract:
In order to provide a spun-bonded non-woven fabric having exceptional strength even at low basis weight as well as having exceptional flexibility and texture, this spun-bonded non-woven fabric is formed from a sheath-core-type composite fiber that is mainly composed of a polypropylene resin, wherein the spun-bonded non-woven fabric has a fused portion and a non-fused portion, and the ratio (Os/Oc) of the orientation parameter Os of the sheath component of the sheath-core-type composite fiber in the non-fused portion to the orientation parameter Oc of the core component of the sheath-core-type composite fiber in the non-fused portion is 0.10-0.90.

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Inventors:
SHIMADA DAIKI (JP)
NAKAJIMA ITARU (JP)
KOIDE GEN (JP)
Application Number:
PCT/JP2022/041494
Publication Date:
May 25, 2023
Filing Date:
November 08, 2022
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
D04H3/16; D04H3/007; D04H3/147
Domestic Patent References:
WO2018092444A12018-05-24
Foreign References:
JP2005350835A2005-12-22
JPH1161620A1999-03-05
JP2022132044A2022-09-07
JP4245970B22009-04-02
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