Patent ID: 8492049

Claim:
A composition comprising a polymeric core uniformly dispersed in a suitable solvent, said polymeric core having the structure: wherein: i) A is a spacer having the structure O, S, SO 2 , —NH—, —N(CH 2 ) n , wherein n=1-10, wherein R 5 , R 6 , R 7 and R 8 each are independently —H, —NH 2 , F, Cl, Br, CN, or a C 1 -C 6 alkyl group, or any combination of thereof; ii) R 9 , R 10 , R 11 , R 12 , or R 13 each independently are —H, —CH 3 , —NH 2 , —NO, allyl, HC═O—, CH 3 C═O—, NH 2 C═O—, —(CH 2 ) n —C(NH 2 )—COOH where n=1-6, —CH—(COOH)—CH 2 —COOH, —CH 2 —CH(O—CH 2 CH 3 ) 2 , —(C═S)—NH 2 , —(C═NH)—N—(CH 2 ) n CH 3 , where n=0-6, —NH—(C═S)—SH, —CH 2 —(C═O)—O—C(CH 3 ) 3 , —O—(CH 2 ) n —CH—(NH 2 )—COOH, where n=1-6, —(CH 2 ) n —CH═CH wherein n=1-6, —(CH 2 ) n —CH—CN wherein n=1-6, an aromatic group, a halide, or halide-substituted methyl groups; and iii) wherein the composition is suitable for use in a membrane electrode assembly.