Synthesis and Properties of Poly (N-arylenebenzimidazole ketone)s
2014 ◽
Vol 881-883
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pp. 165-168
Keyword(s):
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).
1982 ◽
Vol 55
(1)
◽
pp. 245-252
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1982 ◽
Vol 20
(3)
◽
pp. 389-398
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