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Title:
SPUNBOND NONWOVEN FABRIC, AND HYGIENIC MATERIAL EQUIPPED THEREWITH
Document Type and Number:
WIPO Patent Application WO/2022/113711
Kind Code:
A1
Abstract:
This spunbond nonwoven fabric is constituted by one surface (A) formed from a fiber (Fa) comprising a propylene resin and another surface (B) formed from a fiber (Fb) comprising a propylene resin, wherein: an amount of heat of crystal fusion in differential scanning calorimetry is 30-98 J/g; and formula (1) below is satisfied. (1): Db/Da ≥ 1.1, where Da is an average single fiber diameter (µm) of the fiber (Fa), and Db is an average single fiber diameter (µm) of the fiber (Fb). Provided are: a spunbond nonwoven fabric having excellent flexibility and water absorbing/fast drying properties in order to maintain comfort when worn; and also a hygienic material using the same.

Inventors:
KATSUTA HIROO (JP)
MORIOKA HIDEKI (JP)
KAJIWARA KENTARO (JP)
FUNATSU YOSHITSUGU (JP)
Application Number:
PCT/JP2021/040939
Publication Date:
June 02, 2022
Filing Date:
November 08, 2021
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
A61F13/511; D04H3/007; C08F210/16; C08K5/20; C08L23/16; D01F6/06; D01F6/30; D01F6/46; D04H3/018; D04H3/16
Domestic Patent References:
WO2011030893A12011-03-17
WO2021153312A12021-08-05
WO2021172051A12021-09-02
Foreign References:
JPH0742057A1995-02-10
JPH04119162A1992-04-20
JP2019196576A2019-11-14
JPH1096157A1998-04-14
JP2019049089A2019-03-28
JPH04100963A1992-04-02
JP2011058157A2011-03-24
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