Preparation of high temperature resistance polybenzimidazole resin

Abstract

Polybenzimidazole’s (PBI) was synthesized from 3,3'-diaminobenzidine and adipic acid by melting copolycondensation. Its thermal properties have been studied The molecular structure and thermal stability of the resulting polymers were characterized by means of FTIR, TGA and DSC. The results indicate that the melting temperature of the PBI is higher than 400°C and the polymer possesses excellent thermal stability. The onset decomposition temperature was determined to be 516°C, and the highest decomposition temperature reaches 536°C.

Keywords

polybenzimidazole / melting polycondensation / thermal weight losses

References

[1] Liu Anchang, Zou Jing, Huang Shuhuai. Progress on synthesis of polybenzimidazole resins. New Chemical Materials, 2004, 32(5): 16–19

[2] Cheng Kangchen, Hu Binghuan. Aromatic all-polybenzimidazole synthesis and modified. Chemical Engineering and Equipment, 2006 (4): 1–4

[3] Pu Hongting, Ye Sheng. Progress in Synthesis, Properties, and Application in Fuel Cells of Polybenzimidazole. Polymer Communications, 2006, 2: 9–10

[4] Xiao Changfa. Polybenzimidazole fiber and its application. High-Tech Fibers and Application, 2003, 28(3): 5–10

[5] Qing Shengbo, Huang Wei, Yan Deyue. Synthesis and Characterization of Thermally Stable Sulfonated Polybenzimidazoles. Chemical Journal of Chinese Universities, 2005, 11: 2145–2148

[6] Lu Weifeng, Yu Xinhai. Synthesis and application of polybenzimidazole resin. Insulating Material Communications, 2000, 5: 5–8

RIGHTS & PERMISSIONS

Higher Education Press and Springer-Verlag Berlin Heidelberg