Title:
NONWOVEN FABRIC LAMINATE
Document Type and Number:
WIPO Patent Application WO/2023/234224
Kind Code:
A1
Abstract:
Provided is a nonwoven fabric laminate comprising: a nonwoven fabric layer A containing composite fibers that include a region A containing a propylene/α-olefin random copolymer and include a region B containing an ethylene-based polymer, the composite fibers being of a side-by-side type or an eccentric core-sheath type, the proportion of the region A to the region B on a mass basis being 70:30 to 10:90 (region A : region B), and the density of the region B being 900 kg/m3 to 945 kg/m3; and a nonwoven fabric layer B containing fibers that include a polymer (I), which is a random copolymer of propylene and at least one selected from ethylene and 4-20C α-olefins.
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Inventors:
SEKIOKA YUSUKE (JP)
IIHAMA SHO (JP)
INOUE FUMIHITO (JP)
IIHAMA SHO (JP)
INOUE FUMIHITO (JP)
Application Number:
PCT/JP2023/019785
Publication Date:
December 07, 2023
Filing Date:
May 26, 2023
Export Citation:
Assignee:
MITSUI CHEMICALS ASAHI LIFE MAT CO LTD (JP)
International Classes:
B32B5/26; B32B5/02; B32B27/32; D04H3/16
Domestic Patent References:
| WO2020184335A1 | 2020-09-17 | |||
| WO2020196663A1 | 2020-10-01 |
Foreign References:
| JP3877784B2 | 2007-02-07 | |||
| JP2001040531A | 2001-02-13 | |||
| JP2001140158A | 2001-05-22 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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