Title:
MELT-BLOWN NONWOVEN FABRIC, FILTER, AND METHOD FOR MANUFACTURING MELT-BLOWN NONWOVEN FABRIC
Document Type and Number:
WIPO Patent Application WO/2019/130697
Kind Code:
A1
Abstract:
Provided is a melt-blown nonwoven fabric comprising a propylene-based polymer having, in a discharge curve with respect to gel permeation chromatography, at least one peak top at a position of a molecular weight of 20,000 or greater, and at least one peak top at a position of less than a molecular weight of 20,000, and having an intrinsic viscosity [η] of at least 0.35 (dl/g) but less than 0.50 (dl/g).
Inventors:
IIBA KOZO (JP)
KOBAYASHI TERUKI (JP)
KOBAYASHI TERUKI (JP)
Application Number:
PCT/JP2018/035741
Publication Date:
July 04, 2019
Filing Date:
September 26, 2018
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
D04H3/007; B01D39/16; D01D5/08; D01F6/06; D04H3/16
Domestic Patent References:
WO2017142021A1 | 2017-08-24 | |||
WO2012077638A1 | 2012-06-14 | |||
WO2016148174A1 | 2016-09-22 | |||
WO2000022219A1 | 2000-04-20 | |||
WO2015093451A1 | 2015-06-25 | |||
WO2012111724A1 | 2012-08-23 | |||
WO2012014501A1 | 2012-02-02 | |||
WO2012102398A1 | 2012-08-02 |
Foreign References:
JP2017115289A | 2017-06-29 | |||
JP2011195988A | 2011-10-06 | |||
JP2009525375A | 2009-07-09 | |||
JP2017197890A | 2017-11-02 | |||
JP2017254715A | 2017-12-28 |
Other References:
"Achieve Advanced PP6936G2 Polypropylene Homopolymer", EXXONMOBIL CHEMICAL 2016, 2016, XP055586888, Retrieved from the Internet
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
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