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Anion conductive polysulfone membranes were successfully crosslinked via epoxy functionalities resulting in improved mechanical properties. The concentration of the epoxy crosslinker, tetraphenylolethane glycidyl ether (4EP), controlled the degree of crosslinking. All the crosslinked membranes had good thermal stability, low water uptake, low swelling, and low methanol permeability compared to non-crosslinked...
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