CPC C11D 7/5018 (2013.01) [C07C 43/17 (2013.01); C07C 43/172 (2013.01); C11D 7/28 (2013.01); C11D 11/0047 (2013.01)] | 12 Claims |
1. A composition comprising:
a compound having structural formula (I):
![]() where Rf is a linear or branched perfluoroalkyl group having 1-3 atoms; n is 0-2; x is 1-3; and Rf′ and Rf″ are (i) independently, a linear or branched perfluoroalkyl group having 1-8 carbon atoms; or (ii) are bonded together to form a ring structure having 4-8 carbon atoms;
with the provisos that:
when n is 0, then x is 3;
when n is 1 then x is 2; and
when n is 2 then x is 1; and
a hydrocarbon contaminant.
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