Title:
NON-WOVEN FABRIC
Document Type and Number:
WIPO Patent Application WO/2021/054465
Kind Code:
A1
Abstract:
Provided is a non-woven fabric which is suitable for cleaning wipers, diapers, food packaging materials, etc., and has excellent water absorption and handling performance. The non-woven fabric according to the present invention contains a thermoplastic biodegradable resin, and is characterized in that fibers constituting the non-woven fabric have crimps, the flexural rigidity index in the mechanical direction (MD) of the non-woven fabric is 7.77-37.4 as defined by the following equation: flexural rigidity index in the mechanical direction (MD) = flexural rigidity (gf·cm) in the mechanical direction (MD)/{basis weight(g/m2)}2.5×106, and the bulk density of the non-woven fabric is 0.098 g/cm3 to 0.251 g/cm3.
Inventors:
FUJIMOTO YUYA (JP)
OBI RUMINA (JP)
KOMATSU TAKASHI (JP)
SHIOTA EIJI (JP)
OBI RUMINA (JP)
KOMATSU TAKASHI (JP)
SHIOTA EIJI (JP)
Application Number:
PCT/JP2020/035586
Publication Date:
March 25, 2021
Filing Date:
September 18, 2020
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
D04H3/14; A47L13/16; A61F13/53; D04H3/011
Foreign References:
| JPH08260323A | 1996-10-08 | |||
| JPH0913259A | 1997-01-14 | |||
| JP2015518091A | 2015-06-25 | |||
| JPH1121752A | 1999-01-26 | |||
| JP2001355170A | 2001-12-26 | |||
| JP2007516027A | 2007-06-21 | |||
| US4783231A | 1988-11-08 | |||
| JPH1150377A | 1999-02-23 | |||
| JPH07279027A | 1995-10-24 |
Other References:
See also references of EP 4006223A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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