Preparation of epoxy microcapsule based self-healing coatings and their behavior

被引：122
|
作者：
Liu, Xiuxiu [1 ,2 ,3 ]
Zhang, Hairui [1 ,2 ,3 ]
Wang, Jixiao [1 ,2 ,3 ]
Wang, Zhi [1 ,2 ,3 ]
Wang, Shichang [1 ,3 ]
机构：
[1] Tianjin Univ, Sch Chem Engn & Technol, Chem Engn Res Ctr, Tianjin 300072, Peoples R China
[2] Tianjin Univ, State Key Lab Chem Engn, Tianjin 300072, Peoples R China
[3] Tianjin Univ, Tianjin Key Lab Membrane Sci & Desalinat Technol, Tianjin 300072, Peoples R China
来源：
SURFACE & COATINGS TECHNOLOGY | 2012年 / 206卷 / 23期
基金：
中国国家自然科学基金;
关键词：
Microcapsule; Epoxy resin; Self-healing coating; Interfacial polymerization; FORMALDEHYDE MICROCAPSULES; LINSEED OIL; FRACTURE; DAMAGE; RESIN;
D O I：
10.1016/j.surfcoat.2012.05.133
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this paper, epoxy microcapsules were prepared by interfacial polymerization of epoxy resin droplets with ethylenediamine (EDA), and the capsules were characterized by scanning electron microscope (SEM). Then, the coatings containing epoxy microcapsules were applied on carbon steels, and their behavior and self-healing effect were investigated by electrochemical impedance spectroscopy (EIS) technique and SEM observation. The experimental results demonstrate that the artificial scratches were successfully healed in about 4-h after made. Furthermore, coating prepared from 20 wt.% epoxy microcapsules shows the best performance among all the prepared coatings. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：4976 / 4980
页数：5
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