Invention Grant
- Patent Title: Polyolefin microporous membrane and production method thereof
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Application No.: US16498076Application Date: 2018-01-31
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Publication No.: US11242440B2Publication Date: 2022-02-08
- Inventor: Akihisa Yamashita , Masaki Katayama
- Applicant: Asahi Kasei Kabushiki Kaisha
- Applicant Address: JP Tokyo
- Assignee: Asahi Kasei Kabushiki Kaisha
- Current Assignee: Asahi Kasei Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Morgan, Lewis & Bockius LLP
- Priority: JPJP2017-060465 20170327
- International Application: PCT/JP2018/003272 WO 20180131
- International Announcement: WO2018/179810 WO 20181004
- Main IPC: C08J9/28
- IPC: C08J9/28 ; H01M10/0525 ; H01M50/403 ; H01M50/411
Abstract:
This polyolefin microporous membrane has a TD thermal shrinkage at 120° C. of 8% or less, and the TD thermal shrinkage at 130° C. thereof is 3 to 5 times greater than the TD thermal shrinkage at 120° C. and at least 12% greater than the TD thermal shrinkage at 120° C.
Public/Granted literature
- US20200024419A1 Polyolefin Microporous Membrane and Production Method Thereof Public/Granted day:2020-01-23
Information query
