Title:
NONWOVEN FABRIC LAMINATE, STRETCHABLE NONWOVEN FABRIC LAMINATE, FIBER PRODUCT, ABSORBENT ARTICLE AND HYGIENIC MASK
Document Type and Number:
WIPO Patent Application WO/2020/075870
Kind Code:
A1
Abstract:
A nonwoven fabric laminate which sequentially comprises a front surface layer, an intermediate layer and a back surface layer in this order, and which is configured such that: each of the front surface layer and the back surface layer is independently composed of a spun-bonded nonwoven fabric layer that contains filaments of a thermoplastic polyurethane elastomer (A) and filaments of a thermoplastic resin (B); the intermediate layer is composed of a spun-bonded nonwoven fabric layer that contains 50% by mass or more of filaments of a thermoplastic polyurethane elastomer (a); and the storage elastic modulus of the thermoplastic polyurethane elastomer (A) and the storage elastic modulus of the thermoplastic polyurethane elastomer (a) are 25.0 MPa or less, independently.
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| JP2006183180 | FILAMENT NONWOVEN FABRIC |
| WO/2004/020710 | METHOD OF FORMING A 3-DIMENSIONAL FIBER INTO A WEB |
Inventors:
TAKAKU SHOUICHI (JP)
IIHAMA SHO (JP)
SHIMADA KOICHI (JP)
MOTOMURA SHIGEYUKI (JP)
IIHAMA SHO (JP)
SHIMADA KOICHI (JP)
MOTOMURA SHIGEYUKI (JP)
Application Number:
PCT/JP2019/040477
Publication Date:
April 16, 2020
Filing Date:
October 15, 2019
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
D04H3/16; A41D13/11; B32B5/26; B32B27/40
Domestic Patent References:
| WO2016143833A1 | 2016-09-15 | |||
| WO2008108230A1 | 2008-09-12 | |||
| WO2008108230A1 | 2008-09-12 | |||
| WO2008108230A1 | 2008-09-12 | |||
| WO2017006972A1 | 2017-01-12 |
Foreign References:
| JP2014095161A | 2014-05-22 | |||
| JP2018178307A | 2018-11-15 | |||
| JPH07503502A | 1995-04-13 | |||
| JP2004244791A | 2004-09-02 | |||
| JP2004197291A | 2004-07-15 | |||
| JPH07503502A | 1995-04-13 | |||
| JP2005205744A | 2005-08-04 | |||
| JP2014502315A | 2014-01-30 | |||
| JP2018193725A | 2018-12-06 |
Other References:
A. ZAMBELLI ET AL., MACROMOLECULES, vol. 6, 1973, pages 925
See also references of EP 3848491A4
See also references of EP 3848491A4
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
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