Login| Sign Up| Help| Contact|

Patent Searching and Data


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)
Application Number:
JP2018/035741
Publication Date:
July 04, 2019
Filing Date:
September 26, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
D04H3/007; B01D39/16; D01D5/08; D01F6/06; D04H3/16
Domestic Patent References:
WO2017142021A12017-08-24
WO2012077638A12012-06-14
WO2016148174A12016-09-22
WO2000022219A12000-04-20
WO2015093451A12015-06-25
WO2012111724A12012-08-23
WO2012014501A12012-02-02
WO2012102398A12012-08-02
Foreign References:
JP2017115289A2017-06-29
JP2011195988A2011-10-06
JP2009525375A2009-07-09
JP2017197890A2017-11-02
JP2017254715A2017-12-28
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)
Download PDF: