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Title:
POLYOLEFIN MICROPOROUS MEMBRANE AND PRODUCTION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2018/179810
Kind Code:
A1
Abstract:
This polyolefin microporous membrane has a TD thermal shrinkage at 120ºC of 8% or less, and the TD thermal shrinkage at 130ºC thereof is 3 to 5 times greater than the TD thermal shrinkage at 120ºC and at least 12% greater than the TD thermal shrinkage at 120ºC.

Inventors:
YAMASHITA AKIHISA (JP)
KATAYAMA MASAKI (JP)
Application Number:
PCT/JP2018/003272
Publication Date:
October 04, 2018
Filing Date:
January 31, 2018
Export Citation:
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Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
C08J9/26; C08J9/28; H01M50/417; H01M50/489; H01M50/491; H01M50/403; H01M50/443
Domestic Patent References:
WO2010070930A12010-06-24
WO2009123015A12009-10-08
WO2014126079A12014-08-21
WO2004020511A12004-03-11
Foreign References:
JP2013535792A2013-09-12
JP2012522669A2012-09-27
JP2009132904A2009-06-18
JP2010007053A2010-01-14
JP2006124652A2006-05-18
JP2002128942A2002-05-09
JP2017027945A2017-02-02
Other References:
See also references of EP 3587481A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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