Enhancement of the anti-corrosion efficient of hybrid nanostructure coating using copper phthalocyanine self-assembled monolayers

被引：7
|
作者：
Davoodi, Mehrdad [1 ]
Esfahani, Mojtaba Nasr [2 ]
机构：
[1] Islamic Azad Univ, Najafabad Branch, Dept Mat Engn, Adv Mat Res Ctr, Najafabad, Iran
[2] Islamic Azad Univ, Najafabad Branch, Dept Chem, Najafabad, Iran
来源：
PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2016年 / 52卷 / 01期
关键词：
316L STAINLESS-STEEL; CORROSION PROTECTION; HYDROCHLORIC-ACID; MILD-STEEL; IRON; HCL; INHIBITION; BEHAVIOR; METALS; FILMS;
D O I：
10.1134/S207020511601007X
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A self-assembled films (SA) of cupper phthalocyanine (CuPh) chemisorbed on the mild steel surface was coated by an inorganic-organic sol gel hybrid coating. Hybrid sol was synthesized via acid catalyzed hydrolysis and condensation of methacryloxypropyl trimethoxysilane (TMSM) and tetraethoxysilane (TEOS) at the molar ratio of 1: 1. The morphology of mild steel coated with TMSM/TEOS and CuPh was examined by SEM. The surface chemistry of the hybrid sol-gel coatings was investigated with polarization scans and electrochemical impedance spectroscopy (EIS) in aerated 0.5 mol L-1 HCl solution. Self assembled CuPh films coated under the hybrid coating showed a strong influence on its corrosion resistance, mainly when the samples have 24 h immersion time and 1 mM concentration.
引用
收藏
页码：149 / 155
页数：7
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