Synthesis and Properties of Poly (N-arylenebenzimidazole ketone)s

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Abstract:

Two bis (benzimidazoyl) monomers were synthesized, and Poly (N-arylenebenzimidazole ketone) s were prepared by N-C coupling reaction that replaced the NH sites from the bis (benzimidazolyl) derivatives with activated difluorides monomers in sulfolane at 210 °C. All the resulting polymers showed easy solubility compared with traditional polybenzimidazoles. Differential scanning calorimetry and thermogravimetric measurements showed that the polymers had high glass transition temperatures (>240 °C), good thermostability and high decomposition temperatures (>460 °C).

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Advanced Materials Research (Volumes 881-883)

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165-168

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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