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Sulfonated poly(ether ether ketone) (PEEK) was prepared by sulfonation of commercial Victrex @ PEEK and degree of sulfonation was found to be about 44.5% by 1 H NMR. Sulfonated PEEK/polyaniline composite membranes, in order to prevent methanol crossover, were prepared by chemical polymerization of a thin layer of polyaniline (PANI) in the presence of a high oxidant concentration on...
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