| CPC C08G 81/00 (2013.01) [B01J 41/13 (2017.01); C08G 61/02 (2013.01); C08G 2261/143 (2013.01); C08G 2261/146 (2013.01); C08G 2261/312 (2013.01)] | 20 Claims |
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1. A polymer comprising a structural unit represented by Formula (1) and a structural unit represented by Formula (2),
![]() wherein Ar1 and Ar2 are each independently selected from an arylene group derived from an aromatic compound, L1 is selected from a C1-C10 alkylene, R2 is selected from a quaternary ammonium group; and R4 is selected from H or a C1-C7 alkyl.
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