Patent ID: 7897692

Claim:
A polymer comprising polymer polymer segment 1 and polymer segment 2: [E 1 (Z 1 ) d ]—P 1 -Q 1 -P 2 1 E 2 -P 3 -Q 2 -P 4 2 wherein: Z 1 is —SO 2 X, —PO 3 H 2 , or —COX; E 1 is an aromatic containing moiety; E 2 is an unsulfonated aromatic-containing and/or aliphatic-containing moiety; X is an —OH, a halogen, an ester, or d is the number of Z 1 attached to E 1 ; P 1 , P 2 , P 3 , P 4 are each independently: absent, —O—, —S—, —SO—, —CO—, —SO 2 —, —NR 1 H—, NR 2 —, or —R 3 —, and R 2 is C 1-25 alkyl, C 1-25 aryl or C 1-25 arylene; R 3 is C 1-25 alkylene, C 1-25 perfluoroalkylene, perfluoroalkyl ether, alkylether, or C 1-25 arylene; R 4 is trifluoromethyl, C 1-25 alkyl, C 1-25 perfluoroalkylene, C 1-25 aryl, or another E 1 group; and Q 1 , Q 2 are each independently a fluorinated cyclobutyl moiety.