Title:
POLYOLEFIN MICRO POROUS FILM, LAMINATE, AND BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/033733
Kind Code:
A1
Abstract:
The present invention pertains to a polyolefin micro porous film that is a monolayer containing a polyethylene (A) and a polyolefin (B) other than polyethylene and that has a film thickness of 8 µm or less, a shutdown temperature of 135°C or less, and a meltdown temperature of 160°C or more.
Inventors:
KUMA TAKUYA (JP)
NISHIMURA NAOYA (JP)
SHIMOKAWATOKO HARUKA (JP)
TANAKA HIROKO (JP)
NISHIMURA NAOYA (JP)
SHIMOKAWATOKO HARUKA (JP)
TANAKA HIROKO (JP)
Application Number:
PCT/JP2020/031349
Publication Date:
February 25, 2021
Filing Date:
August 19, 2020
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B32B27/32; B32B5/18; C08J9/00; C08J9/26; C08L23/04; C08L23/10; H01M50/409
Domestic Patent References:
WO2015166878A1 | 2015-11-05 | |||
WO2007052663A1 | 2007-05-10 | |||
WO2019093184A1 | 2019-05-16 |
Foreign References:
JP2002194132A | 2002-07-10 | |||
JP2017197634A | 2017-11-02 | |||
JP2004196871A | 2004-07-15 | |||
JP2013057045A | 2013-03-28 | |||
JP2010537845A | 2010-12-09 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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