[EN] STABLE TRIFLUOROSTYRENE CONTAINING COMPOUNDS, AND THEIR USE IN POLYMER ELECTROLYTE MEMBRANES [FR] TRIFLUOROSTYRÈNE STABLE CONTENANT DES COMPOSÉS ET LEUR UTILISATION DANS DES MEMBRANES D'ÉLECTROLYTE EN POLYMÈRE
Described herein are trfluorostyrene compounds of formula IV, wherein Rf' is a linear or branched perfluoroalkylene group, optionally containing oxygen or chlorine, T is S, SO or SO2, n is 0 or 1 and X is Br or Cl, which can be used as monomers to form crosslinkable polymers.