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首页> 外文期刊>International Journal of Electrochemical Science >Preparation and Anticorrosive Properties of Oligoaniline Modified Silica Coatings
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Preparation and Anticorrosive Properties of Oligoaniline Modified Silica Coatings

机译：寡苯胺改性二氧化硅涂料的制备和防腐性能

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Novel trianiline-containing sol-gel hybrid coatings were prepared by one-step electrodeposition technology on the surface of Q235 steel. The chemical component, microstructure of the as-prepared coatings were measured by FTIR, UV-vis, SEM. The effects of deposition time on the thickness, contact angle (CA) and surface roughness of coatings were investigated. The results showed that the modified silica coatings exhibited an excellent hydrophobic nature. By comparing with various deposition times (100, 300, 500, 700 s) under the deposition potential of -1.5 V, the coating under the deposition time of 500 s presented the best anti-corrosion effectiveness for bare steel substrate in 3.5 wt.% NaCl solution as verified by Tafel curves and electrochemical impedance spectroscopy (EIS).
机译：通过一步电沉积技术在Q235钢表面制备了新型的含三苯胺的溶胶-凝胶杂化涂层。通过FTIR，UV-vis，SEM测量所制备的涂层的化学成分，微观结构。研究了沉积时间对涂层厚度，接触角（CA）和表面粗糙度的影响。结果表明，改性二氧化硅涂层表现出优异的疏水性。通过与在-1.5 V的沉积电位下的各种沉积时间（100、300、500、700 s）进行比较，在500 s的沉积时间下的涂层对3.5％（重量）的裸钢基材表现出最佳的防腐效果通过Tafel曲线和电化学阻抗谱（EIS）验证的NaCl溶液。

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