| abstract |
Compositions of matter useful as ionic liquids of the formula Z + A − , wherein Z + is a cation selected from the group consisting of pyridinium, pyridazinium, pyrimidinium, pyrazinium, imidazolium, pyrazolium, thiazolium, oxazolium, triazolium, and phosphonium, ammonium cations with specified substituents, and A − is selected from the group consisting of the following three anions wherein R 11 , R 12 and R 13 are as specified. n nR 11 —CHF—CF 2 —SO 3 − Formula I n nR 12 —CF 2 —CF 2 —SO 3 − Formula II n n(R 13 —CHF—CF 2 —SO 2 ) 2 N − Formula III |