| Effects of Nano Pigments on the Corrosion Resistance of Alkyd Coating |
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| 作者姓名： | Hongwei SHI Fuchun LIU Enhou HAN Yinghua WEI |
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| 作者单位： | Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China |
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| 摘 要： | Alkyd coatings embedded with nano-TiO2 and nano-ZnO pigments were prepared. The effects of nano pigments on anticorrosion performance of alkyd coatings were investigated using electrochemical impedance spectrum （EIS）. For the sake of comparison, the corrosion protection of alkyd coatings with conventional TiO2 and ZnO was also studied. It was found that nano-TiO2 pigment improved the corrosion resistance as well as the hardness of alkyd coatings. The optimal amount of nano-TiO2 in a colored coating for corrosion resistance was 1%. The viscosities of alkyd coatings with nanometer TiO2 and ZnO and conventional TiO2 and ZnO pigments were measured and the relation between viscosity and anticorrosion performance was discussed.
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| 关 键 词： | 电气化学阻抗光谱 醇酸树脂涂料 纳米-二氧化钛 纳米-氧化锌 腐蚀抗性纳米色素 |
| 收稿时间： | 2007-01-12 |
| 修稿时间： | 2007-01-122007-04-03 |
Effects of nano pigments on the corrosion resistance of alkyd coating |
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| Hongwei SHI Fuchun LIU Enhou HAN Yinghua WEI.Effects of Nano Pigments on the Corrosion Resistance of Alkyd Coating[J].Journal of Materials Science & Technology,2007,23(4):551-558. |
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| Authors: | Hongwei SHI Fuchun LIU Enhou HAN Yinghua WEI |
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| Affiliation: | [1]Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China |
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| Abstract: | Alkyd coatings embedded with nano-TiO2 and nano-ZnO pigments were prepared. The effects of nano pigments on anticorrosion performance of alkyd coatings were investigated using electrochemical impedance spectrum (EIS). For the sake of comparison, the corrosion protection of alkyd coatings with conventional TiO2 and ZnO was also studied. It was found that nano-TiO2 pigment improved the corrosion resistance as well as the hardness of alkyd coatings. The optimal amount of nano-TiO2 in a colored coating for corrosion resistance was 1%. The viscosities of alkyd coatings with nanometer TiO2 and ZnO and conventional TiO2 and ZnO pigments were measured and the relation between viscosity and anticorrosion performance was discussed. |
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| Keywords: | Electrochemical impedance spectrum (EIS) Alkyd coating Nano-TiO2 Nano-ZnO Corrosion resistance |
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