Synthesis and Characterization of Poly(N-Arylenebenzimidazole Ketone)

Ye Wei Xu; Jie Tang; Guan Jun Chang; Fang Hua Zhu; Lin Zhang

doi:10.4028/www.scientific.net/AMM.204-208.4211

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 204-208Synthesis and Characterization of...

Synthesis and Characterization of Poly(N-Arylenebenzimidazole Ketone)

Abstract:

Using 1,4-bis(2-benzimidazolyl) benzene (BBIB) and 4,4'-difluorobenzophenone as the monomers, poly(N-arylenebenzimidazole ketone) (PNABIK) has been prepared via the aromatic nucleophilic displacement reaction. The chemical structure of PNABIK was confirmed by FT-IR, elemental analysis and 1H NMR. The results show a good agreement with the proposed structures. The polymer was obtained in quantitative yields with Mn value 12500 and Mw value 28600, respectively. DSC and TGA measurements show that the glass transition temperature (Tg) is 202 °C and 5% weight loss temperature is 550°C in nitrogen and 571 °C in air, respectively. In addition, the novel polymer exhibit good solubility.

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Periodical:

Applied Mechanics and Materials (Volumes 204-208)

Pages:

4211-4214

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.204-208.4211

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Online since:

October 2012

Authors:

Ye Wei Xu, Jie Tang, Guan Jun Chang, Fang Hua Zhu, Lin Zhang

Keywords:

Poly(N-arylenebenzimidazole ketone), Polybenzimidazole, Solubility, Thermal Stability

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