An investigation of the electrochemical action of the epoxy zinc-rich coatings containing surface modified aluminum nanoparticle
An investigation of the electrochemical action of the epoxy zinc-rich coatings containing surface modified aluminum nanoparticle
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DOI：
10.1016/j.apsusc.2014.12.034
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发表时间：
2015-02-15
影响因子：
6.7
通讯作者：
Ramezanzadeh, B.
中科院分区：
文献类型：
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作者：
Jalili, M.;Rostami, M.;Ramezanzadeh, B.
采用氨基三亚甲基膦酸(ATMP)对纳米铝粉进行表面修饰。用X射线光电子能谱(XPS)、傅立叶变换红外光谱(FTIR)和热重分析对纳米粒子进行了表面表征。采用交流阻抗法(EIS)和盐雾试验研究了纳米颗粒取代标准富锌环氧涂料中2wt%的锌粉对涂料电化学行为的影响。用X射线衍射仪(X射线衍射仪)和场发射扫描电子显微镜(FE-SEM)对富锌涂料的形貌和物相组成进行了分析。结果表明，ATMP分子成功地吸附在纳米Al颗粒表面。盐雾和电化学测试结果表明，表面修饰纳米颗粒的加入增强了富锌涂层的电偶行为和防腐性能。(C)2014爱思唯尔B.V.保留所有权利。
Aluminum nanoparticle was modified with amino trimethylene phosphonic acid (ATMP). The surface characterization of the nanoparticles was done by X-ray photo electron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR) and thermal gravimetric analysis. The influence of the replacement of 2 wt% of zinc dust in the standard zinc-rich epoxy coating by nanoparticles on the electrochemical action of the coating was studied by electrochemical impedance spectroscopy (EIS) and salt spray tests. The morphology and phase composition of the zinc rich paints were evaluated by X-ray diffraction (XRD) and filed-emission scanning electron microscopy (FE-SEM). Results showed that the ATMP molecules successfully adsorbed on the surface of Al nanoparticles. Results obtained from salt spray and electrochemical measurements revealed that the addition of surface modified nanoparticles to the zinc rich coating enhanced its galvanic action and corrosion protection properties. (C) 2014 Elsevier B.V. All rights reserved.