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Title:
NONWOVEN FABRIC AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2020/095948
Kind Code:
A1
Abstract:
Provided is a nonwoven fabric formed from composite fibers containing 40 mass% to 80 mass% of a propylene homopolymer (A) having a melting point (Tm–D), as measured by a differential scanning calorimeter (DSC), of greater than 120°C, 4 mass% to 40 mass% of a polypropylene resin (B) having a melting point (Tm–D), as measured by a differential scanning calorimeter (DSC), of 120°C or less, and 10 mass% to 55 mass% of a polyethylene resin (C), wherein the nonwoven fabric has a texture uniformity of 2.1 to 3.0 and a loft of 450 μm or greater.

Inventors:
YABE MARI (JP)
SUGIUCHI TAKUMI (JP)
OKANO MASAKI (JP)
MINAMI YUTAKA (JP)
Application Number:
PCT/JP2019/043500
Publication Date:
May 14, 2020
Filing Date:
November 06, 2019
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
D04H3/007; C08L23/04; C08L23/10; C08L23/12; D01F6/04; D04H3/14
Domestic Patent References:
WO2017006972A12017-01-12
WO2014119687A12014-08-07
WO2003087172A12003-10-23
Foreign References:
JP2018159158A2018-10-11
JP2003301360A2003-10-24
JP2017222971A2017-12-21
US3671379A1972-06-20
Other References:
YAIDA OSA: "Nonwoven fabric basics and applications", 25 August 1993, THE TEXTILE MACHINERY SOCIETY OF JAPAN, JP, ISBN: 978-4-930953-12-4, article YAIDA OSA: "Passage; Nonwoven fabric basics and applications", pages: 142 - 144, XP009527393
A. ZAMBELLI ET AL., MACROMOLECULES, vol. 6, 1973, pages 925
A. ZAMBELLI ET AL., MACROMOLECULES, vol. 8, 1975, pages 687
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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