Fluorosulfonates

Details Fluorosulfonates Fluorosulfonates

C - Chemistry, Metallurgy

08

F

C08F 14/18 (2006.01)

Patent

CA 2736967

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): R f(CH2CF2)m- (CH2)n SO3M(1) wherein Rf is a C1 to C4 linear or branched perfluoroalkyl group, m is an integer of from 1 to 6, n is from O to 4, M is H, NH4, Li, Na or K, and a method of altering the surface behavior of a liquid comprising adding to the liquid the composition of a compound of formula (1).

Linvention concerne un procédé qui comprend la polymérisation dans un milieu aqueux dau moins un monomère oléfinique fluoré autre que le fluorure de vinylidène en présence dun composé de formule (1) : Rf(CH2CF2)m-(CH2)nSO3M (1), dans laquelle Rf est un groupe perfluoroalkyle linéaire ou ramifié en C1 à C4, m est un entier de 1 à 6, n est de 0 à 4, M est H, NH4, Li, Na ou K. Linvention concerne également un procédé de modification du comportement de surface dun liquide, qui comprend lajout au liquide de la composition dun composé de formule (1).

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