Effect of nano-sized mesoporous silica MCM-41 and MMT on corrosion properties of epoxy coating

被引：82
作者：
Wang, Na [1 ,2 ]
Cheng, Keqi [2 ]
Wu, Hang [3 ]
Wang, Cheng [3 ]
Wang, Qunchang [3 ]
Wang, Fuhui [1 ,3 ]
机构：
[1] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China
[2] Shenyang Univ Chem Technol, Coll Mat Sci & Engn, Shenyang 110142, Peoples R China
[3] Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
来源：
PROGRESS IN ORGANIC COATINGS | 2012年 / 75卷 / 04期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Nanocomposites; EIS; Polymer coatings; Mild steel; CHEMICAL-MODIFICATION; MECHANICAL-PROPERTIES; POWDER COATINGS; MODIFIED CLAY; CARBON-STEEL; RESIN; PERFORMANCE; PROTECTION; NANOCOMPOSITE; SURFACE;
D O I：
10.1016/j.porgcoat.2012.07.009
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
This study investigated the effect of co-incorporation of two different kinds of nano materials with different forms, layers (Na-MMT) and mesoporous silica particles (MCM-41), into the polymer matrix on the corrosion performance of epoxy resin. Correspondingly corrosion performance of the coatings was studied by electrochemical impedance spectroscopy (EIS) in 3.5% NaCl aqueous solution and salt spray test. The X-ray diffraction (XRD) measurement showed that the Na-MMT layers were exfoliated and the hexagonal framework structure of MCM-41 was retained during and after the composite preparation. The co-incorporation of Na-montmorillonite (Na-MMT) and MCM-41 into the epoxy coating possessed the best corrosion resistance than incorporating either Na-MMT or MCM-41 particles separately due to different interfacial structures between the fillers and the matrix. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：386 / 391
页数：6
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