Polybenzoxazine/SiO2 nanocomposite coatings for corrosion protection of mild steel

被引：140
|
作者：
Zhou, Changlu [1 ]
Lu, Xin [1 ]
Xin, Zhong [1 ]
Liu, Juan [1 ]
Zhang, Yanfeng [2 ]
机构：
[1] E China Univ Sci & Technol, Sch Chem Engn, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
[2] Lanpec Technol Co Ltd, Lanzhou 730070, Gansu, Peoples R China
来源：
CORROSION SCIENCE | 2014年 / 80卷
关键词：
Mild steel; EIS; IR spectroscopy; SEM; Polymer coatings; ANTICORROSIVE COATINGS; MECHANICAL-PROPERTIES; EPOXY COATINGS; NANOPARTICLES; RESISTANCE; POLYSILSESQUIOXANE; POLYANILINE; PERFORMANCE; COMPOSITE; BEHAVIOR;
D O I：
10.1016/j.corsci.2013.11.042
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A series of nanocomposite coatings (PBS) consisting of silane functional polybenzoxazine (PB-TMOS) and SiO2 nanoparticles were developed for corrosion protection of mild steel. The influence of silica content on corrosion resistance of PBS coatings was investigated by electrochemical measurements. The surface chemistry of nanoparticles and its effect on morphology of the PBS coating was also studied utilizing Fourier Transforms Infrared Spectroscopy, Si-29 Nuclear Magnetic Resonance and Scanning Electron Microscopy analyses. The results indicate that the presence of the covalent bond between nanoparticles and PB-TMOS, greatly improves the interfacial interactions at the polymer/filler interfaces resulting in a better corrosion performance. (C) 2013 Elsevier Ltd. All rights reserved.
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页码：269 / 275
页数：7
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