| 纳米SiO2复合漆的制备及其耐蚀性能 |
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| 引用本文： | 张卫国,李林,姚素薇,郑国钦. 纳米SiO2复合漆的制备及其耐蚀性能[J]. 化工进展, 2005, 24(11): 1261-1264 |
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| 作者姓名： | 张卫国 李林 姚素薇 郑国钦 |
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| 作者单位： | 天津大学化工学院杉山表面技术研究室,天津,300072 |
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| 摘 要： | 通过化学改性，硅烷偶联剂（A858）与纳米SiO2表面的羟基发生反应，得到亲油性纳米SiO2，提高了SiO2与涂料的相容性。原子力显微镜（AFM）测试结果表明，SiO2粒子的平均尺寸约为50nm，分散均匀。在机械搅拌和超声场共同作用下，将纳米SiO2加入到油漆中，制备了纳米SiO2复合漆。浸泡腐蚀实验、阳极极化及交流阻抗（EIS）测试结果表明，纳米SiO2改善了油漆在NaCl水溶液中耐蚀性，SiO2质量分数为0．91％时，复合涂料的耐蚀性最佳。
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| 关 键 词： | 纳米SiO2 复合涂料 制备 耐蚀性 |
| 文章编号： | 1000-6613（2005）11-1261-04 |
| 收稿时间： | 2005-05-30 |
| 修稿时间： | 2005-07-14 |
Preparation and Anti-corrosion Behavior of Nanometer SiO2 Composite Coating |
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| Zhang Weiguo,Li Lin,Yao Suwei,Zheng Guoqin. Preparation and Anti-corrosion Behavior of Nanometer SiO2 Composite Coating[J]. Chemical Industry and Engineering Progress, 2005, 24(11): 1261-1264 |
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| Authors: | Zhang Weiguo Li Lin Yao Suwei Zheng Guoqin |
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| Affiliation: | Sugiyama Laboratory of Surface Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072 |
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| Abstract: | Through chemical modification,silane coupling agent(A858) reacted with the hydroxide radical on the surface of nano-SiO_2 to form hydrophobic nano-SiO_2.and its compatibility with coatings was improved.The AFM image showed that the particle size of SiO_2 was about 50 nm and SiO_2 particles were dispersed uniformly.In the ultrasonic field,modified SiO_2 was dispersed in lacquer,and then nanometer SiO_2 composite coating was prepared by mechanical agitation.(Immersion) corrosion measurement,anodic polarization and electrochemical impedance spectroscopy(EIS) were used to study the anti-corrosion behavior of nanocomposite coating.The results showed that the anti-corrosion performance of composite coating in NaCl solution was improved,and the composite coating with 0.91% nanometer SiO_2 had the best corrosion resistance. |
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| Keywords: | nanometer SiO2 composite coating preparation anticorrosive behavior |
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