Synthesis and Characterization of New Fluorinated Poly(Imide Benzoxazole)S

Abstract

We have prepared a series of fluorinated aromatic poly(ether imide benzoxazole)s (PEIBs) and fluorinated aromatic poly(imide benzoxazole)s (PIBs). New PEIBs were prepared by polycondensation of aromatic diamines containing both benzoxazole and hexafluoroisopropylidene groups. New PIBs were prepared by polycondensation of bis(o-aminophenol)s, such as 3,3′-dihydroxybenzidine or 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane, with diacid chlorides containing both imide and hexafluoroisopropylidene groups. We have characterized the solubility, film forming ability, thermal stability and dielectric constant of these fluorinated poly(imide benzoxazole)s.

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