| abstract |
A process comprising polymerizing in an aqueous medium at least one fluorinated olefin monomer other than vinylidene fluoride in the presence of a compound of formula (1):n nR f (CH 2 CF 2 ) m —(CH 2 ) n SO 3 M  (1)n nwhereinn Rf is a C 1 to C 4 linear or branched perfluoroalkyl group, m is an integer of from 1 to 6, n is from 0 to 4, M is H, NH 4 , Li, Na or K,n nand a method of altering the surface behavior of a liquid comprising adding to the liquid the composition of a compound of formula (1). |