| abstract |
Described herein is a composition according to formula I or its precursor, formula II: CX 1 X 3 ═CX 2 —(R 1 ) p —CZ1Z2-SO 2 M (I) wherein X 1 , X 2 , and X 3 are independently selected from H, F, Cl, Br, I, CF 3 and CH 3 , and wherein at least one of X 1 , X 2 , or X 3 is a H; R 1 is a linking group; Z1 and Z2 are independently selected from F, Cl, Br, I, CF 3 , and a perfluoroalkyl group; p is 0 or 1; and M is a cation; and CX 4 X 1 X 3 —CX 5 X 2 —(R 1 ) p —CZ1Z2-SO 2 M (II) wherein X 1 , X 2 , and X 3 are independently selected from H, F, Cl, Br, I, CF 3 and CH 3 , wherein at least one of X 1 , X 2 , or X 3 is a H, and X 4 and X 5 are independently selected from H, F, Cl, Br and I; R 1 is a linking group; Z1 and Z2 are independently selected from F, Cl, Br, I, CF 3 , and a perfluoroalkyl group, p is 0 or 1; and M is selected from F, and a cation. |