Preparation of Furan Epoxy Resin Microparticles/Epoxy Resin Composites and Their Repeated Self-Healing Properties

被引：0
|
作者：
Wan L. [1 ]
Zhou W. [1 ]
Xiao C. [1 ]
Li P. [1 ]
Xi B. [1 ]
机构：
[1] School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang
来源：
Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | 2020年 / 36卷 / 04期
关键词：
Composites; Diels-Alder reaction; Furan epoxy resin; Self-healing properties;
D O I：
10.16865/j.cnki.1000-7555.2020.0015
中图分类号：
学科分类号：
摘要：
Furan epoxy resin repairing agent and 1,2-dimaleimide ethane curing agent with thermally reversible Diels-Alder reaction functional groups were synthesized, and their chemical structures were confirmed by 1H-NMR. The synthesized furan epoxy resin is solid particle, and then the furan epoxy resin micro particle/epoxy resin self-repairing composite materials were prepared. By testing the repairing ratios of self-healing composites, as the filling mass fraction of the furan epoxy resin particles is 60%, the first self-healing ratio is 85.1%, the second self-healing ratio is 96.3%, and the third self-healing ratio is 80.6%. It shows that the prepared composites have multiple repeated self-healing properties. In the second repairing process, the self-healing ratio is the highest because the furan epoxy resin is fully dissolved to percolate through the crack and crosslinked with the curing agent. However, with the increase of repairing times after the second self-healing, the self-healing performance becomes worse and the third self-healing ratio decreases. © 2020, Editorial Board of Polymer Materials Science & Engineering. All right reserved.
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页码：142 / 148
页数：6
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