Patent ID: 8809209

Claim:
A composition comprising formula (I) wherein R f is C 2 to C 10 fluoroalkyl, optionally interrupted by one or more —O—, —CH 2 —, —CFH—, or combinations thereof; n is an integer from 1 to 10; A is a linear, branched, or cyclic carbonate of formula wherein m is 1 to 10 and R 2 is a C 1 to C 10 linear, branched or cylic alkyl or aryl; M + is H + , NH 4 + , Na + , Li + , Cs + , K + , or mixtures thereof; a is 20 to 80 mol %; b is 5 to 80 mol %; and c is 0 to 70 mol %; wherein the sum of a+b+c is equal to 100%.