文献类型：期刊文献

英文题名：Investigation of Structure/property Relationships of Polytriazoles

作者：Tian, Jianjun[1];Wang, Xiaofei[1];Wan, Liqiang[1];Hu, Yanhong[1];Huang, Farong[1]

机构：[1]E China Univ Sci & Technol, Sch Mat Sci & Engn, Key Lab Specially Funct Polymer Mat & Related Tec, Minist Educ, Shanghai 200237, Peoples R China

年份：2010

卷号：22

期号：2

起止页码：198

外文期刊名：HIGH PERFORMANCE POLYMERS

收录：;EI(收录号：20101212785295);WOS:【SCI-EXPANDED(收录号:WOS:000275643100005)】；

基金：The authors are indebted to the National High Technology Research and Development Program of China (Grant No. 2002AA305103) and the National Basic Research Program of China (Grant No. 5131101) for supporting the research.

语种：英文

外文关键词：Polytriazole resins; structure/property relationship of polytriazoles; high performance polytriazoles; resins for advanced composites

摘要：Five polytriazole resins, TAMTMB-BPF, TAMTMB-BPA, TAMTMB-BPK, TAMTMB-BPE, and TAMTMB-BPR, were prepared from 1,3,5-tris(azidomethyl)-2,4,6-trimethylbenzene (TAMTMB) and dipropargyl ethers of hexafluorobisphenol A (BPF), bisphenol A (BPA), 4,4'-dihydroxybenzophenone (BPK), 4,4'-dihydroxydiphenyl ether (BPE), and resorcinol (BPR), respectively. The resins were characterized by Fourier transform infrared spectrometry, differential scanning calorimetry, dynamic mechanical analysis, and thermogravimetric analysis. The results illustrate that the structures of dipropargyl ethers had no obvious effect on the curing behavior of the polytriazole resins and the thermal stability of the cured resins. The polytriazole resins could be cured at 80 degrees C and further post-cured at higher temperature. The cured resins had a thermal decomposition temperature T-d5 near 360 degrees C. However, the structural units of the polytriazole resins influenced the glass transition temperature T-g, dielectric properties, and mechanical properties of the cured resins to some extent. The cured TAMTMB-BPF resin had the highest T-g (226 degrees C) and best dielectric properties among the resins, whereas the cured TAMTMB-BPR resin showed the highest flexural strength of 200.6 MPa.