文献类型：期刊文献

英文题名：Modification of polyarylacetylene with propargyl-terminated phenylether oligomers

作者：Qi, Huimin[1]; Xia, Kefeng[1]; Sun, Fangxing[1]; Zhuang, Yuanqi[1]; Huang, Farong[1]

机构：[1] Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China

年份：2007

卷号：1

起止页码：66

外文期刊名：Proceedings of 2007 International Conference on Advanced Fibers and Polymer Materials, ICAFPM 2007

收录：EI(收录号：20142617856672)

语种：英文

外文关键词：Curing - Heat resistance - Dynamic mechanical analysis - Fourier transform infrared spectroscopy - Glass transition

摘要：In this paper, 4,4′-dipropargyldiphenylether and resorcin dipropargylether were prepared by the reaction of 4,4′-dihydroxy diphenylether and resorcinol with propargyl bromide, respectively. Their structures were confirmed with FTIR, 1H-NMR, MS etc. Copolymerization of diethynylbenzene with different fraction, 10%, 20%, 30%, of 4,4′-dipropargyl diphenylether or resorcin dipropargylether were investigated. The rheological analysis of the modified Polyarylacetylene (MPAA) resin, i.e. copolymers shows excellent processability. Dynamic mechanical analysis indicated that the cured MPAA resin shows good heat resistance with a glass transition temperature of over 350°C. The dielectric spectra of the cured MPAA show dielectric constant of Ε =3.5-3.6.