Citation: Zhen Xu, Xing Quan Xiong, Lin Cheng. Novel hyperbranched polyimides from 2,6,12-triaminotriptycene[J]. Chinese Chemical Letters, ;2008, 19(9): 1127-1130. doi: 10.1016/j.cclet.2008.05.039 shu

Novel hyperbranched polyimides from 2,6,12-triaminotriptycene

Department of Materials Science & Engineering, Huaqiao University, Quanzhou 362021, China

Received Date: 21 March 2008

Fund Project: The program was financially supported from the National Natural Science Foundation (No. 50673031) of China and authors would like to extend thanks to Professor Yongming Chen at CAS.

The monomer 2,6,12-triaminotriptyeene was synthesized and the structure was confirmed by IR and ¹H NMR spectra. Hyperbranched polyimides modified with different terminal groups were obtained from precursors, anhydride-and amino-terminated hyperbranched poly(amic acid)s from polymerization of A₂+B₃ system. From gel permeation chromatogram (GPC) characterization, representative products had high molecular weight. All polymers had good solubility in CHCl₃, DMF and tetrahydrofuran (THF), and performed no detective T_gs in the range of 50-300℃ and high T_dS above 455℃ when 5% weight loss.
- Triptycene,
- Hyperbranched polymer,
- Polyimides
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