Title:
LONG-FIBER NONWOVEN FABRIC AND MANUFACTURING METHOD THEREOF, LAMINATE, FILTER, PROTECTIVE SUIT, AND MASK
Document Type and Number:
WIPO Patent Application WO/2024/062853
Kind Code:
A1
Abstract:
The present invention addresses a problem of providing a nonwoven fabric that is superior both in particle collection efficiency and breathability. The objective of the present invention is a long-fiber nonwoven fabric that comprises fibers formed from a polypropylene-based resin, the fibers having an average fiber diameter between 0.05 µm and 5.00 µm both inclusive, and the long-fiber nonwoven fabric having a zero shear viscosity at 190 °C between 5 Pa･s and 10 Pa･s both inclusive.
Inventors:
IKEDA YUTA (JP)
KATSUTA HIROO (JP)
MORIOKA HIDEKI (JP)
KAJIWARA KENTARO (JP)
KATSUTA HIROO (JP)
MORIOKA HIDEKI (JP)
KAJIWARA KENTARO (JP)
Application Number:
PCT/JP2023/031148
Publication Date:
March 28, 2024
Filing Date:
August 29, 2023
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
D04H3/007; A41D13/00; A41D13/11; A41D13/12; A41D31/00; B01D39/16; B32B5/02; D04H3/16
Foreign References:
| US20140374968A1 | 2014-12-25 | |||
| JP2006316269A | 2006-11-24 | |||
| CN112480529A | 2021-03-12 | |||
| JP2011132627A | 2011-07-07 | |||
| JP2003138075A | 2003-05-14 |
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