Abstract
Abstract Novel poly(arylene ether sulfone) with sulfonic acid groups attached onto pendent naphthyl rings was successfully synthesized by the nucleophilic displacement of aromatic dihalides with bisphenols in aprotic solvent, followed by sulfonation with chlorosulfonic acid. The sulfonation took place only on the pendent naphthyl rings due to the specially designed molecular structure. The sulfonated polymers are soluble in common organic solvents and can be readily cast into tough and smooth films. The films of the side-chain-type polymer showed good thermal and oxidation stabilities.
Published Version
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