Invention Grant
- Patent Title: Fluorinated copolymer having sulfonyl pendant groups and compositions and articles including the same
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Application No.: US16645882Application Date: 2018-09-14
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Publication No.: US11492431B2Publication Date: 2022-11-08
- Inventor: Lisa P. Chen , Gregg D. Dahlke , Denis Duchesne , Steven J. Hamrock , Klaus Hintzer , Markus E. Hirschberg , Arne Thaler , Tilman C. Zipplies
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agent Julie Lapos-Kuchar; Kathleen B. Gross
- International Application: PCT/US2018/051094 WO 20180914
- International Announcement: WO2019/055791 WO 20190321
- Main IPC: C08F214/26
- IPC: C08F214/26 ; C08F8/12 ; C08F214/18 ; C08F8/44 ; C08F216/14 ; C08F2/10 ; C08J5/22 ; C09D11/52 ; H01M8/1004 ; H01M8/1039 ; H01M4/86 ; H01M8/1023 ; H01M8/10
Abstract:
The copolymer includes divalent units represented by formula —[CF2—CF2]—, divalent units represented by formula; and one or more divalent units independently represented by formula: The copolymer has an —SO2X equivalent weight in a range from 300 to 2000. A polymer electrolyte membrane that includes the copolymer and a membrane electrode assembly that includes such a polymer electrolyte membrane are also provided.
Public/Granted literature
- US20200277420A1 FLUORINATED COPOLYMER HAVING SULFONYL PENDANT GROUPS AND COMPOSITIONS AND ARTICLES INCLUDING THE SAME Public/Granted day:2020-09-03
Information query
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