Abstract
Poly(arylene sulfone)s (PASs) were synthesized in quantitative yields by the oxidations of the corresponding fluorene-containing poly(arylene thioether)s, derived from 9,9-diarylfluorene-based dithiols and dihaloarenes, with 30% hydrogen peroxide in formic acid. PASs had good solubility in common organic solvents such as chloroform, N-methylpyrrolidone (NMP), and N,N-dimethylformamide (DMF). Highly transparent films were obtained by casting the chloroform solutions of PASs. PASs exhibited high glass transition and high decomposition temperatures (Tg 248–355 °C, Td5 > 400 °C under nitrogen).
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