Citation: Tao Ma, Yan Feng Li, Shu Jiang Zhang, Feng Chun Yang, Chen Liang Gong, Jiu Jiang Zhao. Synthesis of a new aromatic diacid containing pyridine ring and related polybenzimidazole[J]. Chinese Chemical Letters, ;2010, 21(8): 976-978. doi: 10.1016/j.cclet.2010.04.023 shu

Synthesis of a new aromatic diacid containing pyridine ring and related polybenzimidazole

College of Chemistry and Chemical Engineering, State Key Laboratory of Applied Organic Chemistry, Institute of Biochemical Engineering & Environmental Technology, Lanzhou University, Lanzhou 730000, China

Received Date: 16 December 2009

Fund Project: The authors are grateful for the research support from the Natural Science Foundation of Gansu Province (No. 096RJZA047) and the State Key Laboratory of Applied Organic Chemistry of People's Republic of China.

A new aromatic diacid monomer containing pyridine unit,4-phenyl-2,6-bis [4-(4-carboxyphenoxy) phenyl]pyridine 3,was successfully synthesized in three steps,starting from 4-hydroxyacetophenone.The corresponding pyridine-containing polybenzi-midazole was prepared via polycondensation of 3 with tetraaminodiphenyl ether (TADE) in poly (phosphoric acid) (PPA).The resulting polybenzimidazole exhibits excellent solubility,good thermal stabilities and high thermal resistance.
- Polybenzimidazoles,
- Pyridine-containing diacid monomer,
- Synthesis,
- Thermal stabilities
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