POLYFLUORALKYLTHIOMETHYL COMPOUNDS, PROCESSES FOR THEIR PREPARATION AND THEIR USE AS TENSIO-ACTIVE COMPOUNDS OR AS PRECURSORS THEREFOR

摘要

1. Polyfluoroalkylthiomethyl compounds of general formula : RF (CH2 )m -S-CH2 -A (IV) in which RF denotes a straight-chain or branched perfluoroalkyl radical containing from 2 to 16 carbon atoms, m is an integer ranging from 1 to 4, and A denotes a hydroxyl group, a chlorine or bromine atom, an ammonium group derived from a secondary or tertiary amine, a phosphonium group or an ionic or nonionic group -Q-(CH2 )n -Z, Q denoting an oxygen or sulphur atom, n the number 0, 1 or 2 and Z an alkyl, aryl or alkylaryl radical, substituted if desired.