Comparison between the effect of nanoglass flake and montmorillonite organoclay on corrosion performance of epoxy coating

被引：150
|
作者：
Nematollahi, M. [1 ]
Heidarian, M. [1 ]
Peikari, M. [1 ]
Kassiriha, S. M. [2 ]
Arianpouya, N. [1 ]
Esmaeilpour, M. [1 ]
机构：
[1] Petr Univ Technol, Tech Inspect Engn Dept, Abadan, Iran
[2] Amir Kabir Univ Technol, Dept Polymer Engn, Tehran, Iran
来源：
CORROSION SCIENCE | 2010年 / 52卷 / 05期
关键词：
Organic coating; EIS; Polarization; ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY; LAYERED-SILICATE NANOCOMPOSITES; ORGANIC COATINGS; EIS CHARACTERIZATION; CLAY NANOCOMPOSITE; STEEL; PROTECTION; PIGMENTS;
D O I：
10.1016/j.corsci.2010.01.024
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Montmorillonite organoclay (OMMT) and nanoglass flake (GF) were incorporated into epoxy resin by mechanical agitation and sonication process. Optical microscopy was used to analyse the optical homogeneity of dispersions. To investigate anticorrosive properties of nanocomposite organic coatings, salt fog test, electrochemical impedance spectroscopy (EIS), polarization measurement, pull-off adhesion and water absorption tests have been employed. The time course of impedance parameters and polarization studies show that coating corrosion resistance is improved as the amounts of OMMT and GF are increased to 3 wt%. The results indicated that nano-GF filled specimens display better corrosion performance than the OMMT filled ones. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1809 / 1817
页数：9
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