Title:
MICROPOROUS MEMBRANE, BATTERY SEPARATOR, AND BATTERY
Document Type and Number:
WIPO Patent Application WO/2017/010528
Kind Code:
A1
Abstract:
This microporous membrane contains copolymerized high-density polyethylene and high-density polyethylene, wherein the content of α-olefin units having at least three carbon atoms in the microporous membrane is 0.01-0.6 mol% inclusive and the viscosity-average molecular weight of the microporous membrane is less than 300,000. This battery separator includes the microporous membrane. This battery includes the battery separator.
Inventors:
SEKIGUCHI MANABU (JP)
FUKUNAGA YUKI (JP)
DOHKI KEITA (JP)
FUKUNAGA YUKI (JP)
DOHKI KEITA (JP)
Application Number:
PCT/JP2016/070743
Publication Date:
January 19, 2017
Filing Date:
July 13, 2016
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
C08J9/26; C08L23/08; C08L23/12; H01M50/417; H01M50/489
Domestic Patent References:
| WO2004085525A1 | 2004-10-07 | |||
| WO2008013114A1 | 2008-01-31 |
Foreign References:
| US20150065595A1 | 2015-03-05 | |||
| JP2003012850A | 2003-01-15 | |||
| JP2005225919A | 2005-08-25 |
Other References:
See also references of EP 3323849A4
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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