Preparation and Properties of Thermally Reversible Self-Healing Polymer Based on Diels-Alder Reversible Covalent Bond

被引：0
|
作者：
Zhao K. [1 ]
Zhang S. [1 ]
Wang X. [1 ]
Ma X. [1 ]
Wei Y. [1 ]
机构：
[1] Key Laboratory of Rubber-Plastics (QUST), School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao
来源：
Wei, Yanyan (yywei@qust.edu.cn) | 1600年 / Sichuan University卷 / 33期
关键词：
Cross-linked polymer; Diels-Alder reaction; Polyether amine; Self-healing;
D O I：
10.16865/j.cnki.1000-7555.2017.12.002
中图分类号：
学科分类号：
摘要：
Epichlorohydrin and furfuryl alcohol were used as raw materials to synthesize the intermediates furfuryl glycidyl ether (FGE). Then, polyether amine D2000 reacted with FGE generating end furanyl resin FGE-D2000. Finally, 4, 4'-diphenylmethane bismaleimide (BDM) was added as crosslinking agent, along with the Diels-Alder (DA) reaction between imide ring and furan ring, in order to obtain a crosslinked polymer FGE-D2000-BDM. And the experimental results were characterized by FT-IR, 1H-NMR, DSC, TG, optical microscope, electronic universal material testing machine and other testing means. The results show that FGE-D2000-BDM owns a thermally stable reversible self-healing system at 50~150℃. The gel content of FGE-D2000-BDM is 87.49%. The glass-transition temperature is-54.50℃, and the initial temperature of the r-DA reaction is 69.59℃, and the best curing temperature is 70℃. And the self-healing efficiency of FGE-D2000-BDM is achieved 71.04% after 12 h at 80℃. © 2017, Editorial Board of Polymer Materials Science & Engineering. All right reserved.
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页码：8 / 16
页数：8
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