Abstract
A novel fluorination method derived from CF3SO3H was employed to the polystyrene sulfonic acid resin, to enhance its acid strength and stability. The as-prepared CF3SO2-resin was characterized by FT-IR, XPS, 31P MAS NMR, and chemical titration, and its catalytic performance was tested. It was found that CF3SO2-resin exhibited higher selectivity to benzyltoluene in the Friedel–Crafts alkylation of toluene with benzyl alcohol, excellent catalytic activity with 96% conversion and a good recyclability over seven times in esterification of 1, 6-hexanedioic acid with 2-ethylhexanol.
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