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)
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:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
D04H3/007; C08L23/04; C08L23/10; C08L23/12; D01F6/04; D04H3/14
Domestic Patent References:
WO2017006972A1 | 2017-01-12 | |||
WO2014119687A1 | 2014-08-07 | |||
WO2003087172A1 | 2003-10-23 |
Foreign References:
JP2018159158A | 2018-10-11 | |||
JP2003301360A | 2003-10-24 | |||
JP2017222971A | 2017-12-21 | |||
US3671379A | 1972-06-20 |
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
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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