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Citation: SHI Jun, JIANG Zhi-Wei, CAO Shao-Kui, LÜ Xin-Guang. Synthesis of Carbazole-based Polymers Containing Nitro Azobenzene Group via Post Azo Coupling Reaction[J]. Chinese Journal of Applied Chemistry, ;2003, 20(8): 727-731. shu

Synthesis of Carbazole-based Polymers Containing Nitro Azobenzene Group via Post Azo Coupling Reaction

1.
Faculty of Material Engineering, Zhengzhou University, Zhengzhou 450052

Corresponding author: SHI Jun,
Received Date: 4 December 2002
Available Online: 7 April 2003
Fund Project: 国家自然科学基金(20274042) (20274042)河南省教育厅科学研究(20024300009)资助项目 (20024300009)

A kind of carbazole-based polymers containing nitro azobenzene group was prepared via a post azo coupling reaction. The structure of the polymer was characterized by IR, ¹H NMR, UV-vis, DSC and GPC. The content of azo group grafed to the polymer chain was 92%(mole fraction) calculated from UV-vis spectra. The GPC results showed the molecular weight of the polymer M_w=27 400, higher than that of the polymer obtained by common method. The DSC result indicated that the glass transition temperature (T_g) and the melting temperature(T_m) of the polymer were 181℃ and 192℃, respectively, and it began to decompose above 232℃.
- post azo coupling reaction,
- carbazole polymer,
- chromophore
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