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A novel amphoteric ion exchange membrane (AIEM) was synthesized by radiation-induced grafting α-methyl styrene (AMS) and dimethylaminoethyl methacrylate (DMAEMA) into poly(vinylidenedifluoride) (PVDF) films, followed by sulfonation and protonation processes. The monomer AMS could be co-grafted successfully with DMAEMA in the presence of AlCl 3 although it was difficult for AMS to be grafted...
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