Protective behaviors of 2-mercaptobenzothiazole intercalated Zn–Al-layered double hydroxide coating

被引：3
|
作者：
Yuhua Dong
Feng Wang
Qiong Zhou
机构：
[1] China University of Petroleum (Beijing),Department of Material Science and Engineering, College of Science
来源：
Journal of Coatings Technology and Research | 2014年 / 11卷
关键词：
Nanocontainer; LDH; MBT; Ion-exchange; Self-healing;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A nanocontainer with 2-mercaptobenzothiazole (MBT)-intercalated Zn–Al-layered double hydroxides (LDHs) was synthesized through co-precipitation. The structures of the LDH and the nanocontainer were characterized by powder X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and energy-dispersive X-ray analysis. The nanocontainer was added into 3.5 wt% NaCl solutions with different pH values to study its effect on the protection of Q345 steel. The corrosion rate of Q345 steel in 3.5 wt% NaCl solution with a pH value of 3 was lower than those in neutral and alkali solutions. Moreover, the addition of nanocontainers into the epoxy resin coating improved the performance of the coating and facilitated self-healing by releasing MBT inhibitors into the scratched area.
引用
收藏
页码：793 / 803
页数：10
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