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Novel acid–base blend membranes consisting of acidic sulfophenylated poly(ether ether ketone ketone) (Ph-SPEEKK) and various amounts of basic polysulfone tethered with 5-amino-benzotriazole (PSf-BTraz) have been prepared and characterized. The blend membranes show higher proton conductivity and lower liquid uptake and dimensional swelling compared to plain Ph-SPEEKK and sulfonated poly(ether ether...
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