Abstract
There is provided herein a membrane or film comprising one or more aromatic ionomers covalently crosslinked through aryl-aryl (-Ar-Ar-), aryl-ether-aryl (-Ar-O-Ar-), aryl-sulfide-aryl (-Ar-S-Ar-), aryl-sulfone-aryl bonds, or any combination thereof, wherein said one or more aromatic ionomers further comprises at least one electron withdrawing group adapted to improve oxidant resistance of said membrane or film.
Original language | English |
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Patent number | CN102405094 |
IPC | B01D 71/ 82 A I |
Priority date | 21/02/10 |
State | Published - 4 Apr 2012 |