PARTIALLY FLUORINATED SULFONATED SURFACTANTS

摘要

The present invention comprises a compound comprising Formula 1A, 1B, or 1C: (Ra-O-CO-)2X Formula 1A, Ra-O-CO-X-CO-O-(CH2CH2)Rf Formula 1B, Ra-O-CO-X-CO-O-R Formula 1C wherein Ra is the group Rf(CH2CF2)d-(CgH2g)-; RfOCF2CF2-(CgH2g)-; Rf OCFHCF2O(CH2CH2)v-(CgH2g)-; RfOCFHCF2O(CwH2w); RfOCF(CF3)CONH-(CgH2g); or Rf(CH2)h[(CF2CF2)i(CH2CH2)j]k; Rf is CcF(2c+1); d is 1 to about 3; g is 1 to 4; v is 1 to about 4; w is from about 3 to about 12; h is 1 to about 6; i, j, and k are each independently 1, 2, or 3, or a mixture thereof; provided that the total number of carbon atoms in group (vi) is from about 8 to about 22; X is a linear or branched difunctional alkyl sulfonate group -CeH(2e-1)(SO3M)-, wherein e is 2 or 3; M is a monovalent cation selected from the group consisting of hydrogen, ammonium, alkali metal, or alkaline earth metal; R is H or a linear or branched alkyl group CbH(2b+1)-; and b is from 1 to about 18.