Title:
LAMINATED NONWOVEN FABRIC FOR ABSORBENT ARTICLE
Document Type and Number:
WIPO Patent Application WO/2020/250481
Kind Code:
A1
Abstract:
A laminated nonwoven fabric according to the present invention comprises a melt-blown layer (20) and a spun-bonded layer (10) laminated on one side or both sides of the melt-blown layer (20), wherein fibers (21) constituting the melt-blown layer (20) have a fiber diameter of less than 1 μm. In the laminated nonwoven fabric according to the present invention, a ratio tmax/tmin of a maximum thickness (tmax) to a minimum thickness (tmin) is greater than 2, or a filling rate which is a space occupation rate of fiber, is greater than 7.7%. Fibers (11) constituting the spun-bonded layer (10) preferably have a fiber aspect ratio of greater than 1.2 in a transverse section of the fibers (11).
Inventors:
KABAYA YOSHIAKI (JP)
Application Number:
PCT/JP2020/004285
Publication Date:
December 17, 2020
Filing Date:
February 05, 2020
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
A61F13/514; D04H3/16
Domestic Patent References:
WO2018167882A1 | 2018-09-20 |
Foreign References:
JP2016516916A | 2016-06-09 | |||
JP2011130790A | 2011-07-07 | |||
JP2001504723A | 2001-04-10 |
Attorney, Agent or Firm:
SHOWA INTERNATIONAL PATENT FIRM (JP)
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