汤晓东,张振海,徐丽萍,杨兴亮,张千峰.纳米 SiO2的改性及其对水性聚氨酯树脂复合涂层性能的影响[J].表面技术,2013,42(4):12-16.
TANG Xiao-dong,ZHANG Zhen-hai,XU Li-ping,YANG Xing-liang,ZHANG Qian-feng.Modification of Nano-SiO2 and Its Effect on the Properties of Waterborne Polyurethane Resin Coating[J].Surface Technology,2013,42(4):12-16 |
| 纳米 SiO2的改性及其对水性聚氨酯树脂复合涂层性能的影响 |
| Modification of Nano-SiO2 and Its Effect on the Properties of Waterborne Polyurethane Resin Coating |
| 投稿时间：2013-02-26 修订日期：2013-03-28 |
| DOI： |
| 中文关键词: 纳米 SiO2 改性 粒径 水性聚氨酯树脂 电化学 耐蚀性 |
| 英文关键词:nano-SiO2 modification particles size water polyurethane resin electrochemical corrosion resistance |
| 基金项目:科技部 863 计划新材料研究专题(2009AA03Z529) |
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| Author | Institution |
| TANG Xiao-dong | Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan 243002 , China |
| ZHANG Zhen-hai | Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan 243002 , China |
| XU Li-ping | Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan 243002 , China |
| YANG Xing-liang | Technique Center, Ma'anshan Iron & Steel Co. , Ltd. , Ma'anshan 243000 , China |
| ZHANG Qian-feng | Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan 243002 , China |
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| 中文摘要: |
| 在乙醇水溶液中,用硅烷偶联剂 KH560 对纳米 SiO2 进行表面改性处理,通过测定粒径,探讨了纳米 SiO2 含量、乙醇水溶液配比以及改性剂含量对分散性的影响。 将改性后的纳米 SiO2 分散液、水性聚氨酯树脂及无机组分等复配成无铬钝化液,在热镀锌板上制备钝化膜,通过电化学 Tafel 极化曲线、交流阻抗以及中性盐雾试验对比纳米 SiO2 改性聚氨酯复合钝化膜和未改性聚氨酯复合钝化膜的耐蚀性,结果表明,与后者相比,前者的耐腐蚀性能有了较大的提升。 |
| 英文摘要: |
| In aqueous ethanol solution, the surface of nano-SiO2 was modified by silane coupling agent KH560 . And the particle sizes were measured. The effects of nano-SiO2 content, alcohol percentages and the modification agents on dispersity were discussed. The chromium-free passivation solution was made from the modified nano-SiO2 dispersions, water polyurethane resin and inorganic constituent compound, and it may be coated on the hot galvanized sheet . Corrosion resistances of nano-SiO2 modified polyurethane composite passivation film and unmodified polyurethane composite passivation film were characterized by the electrochemical Tafel polarization curves, AC impedances ( EIS) and the neutral salt spray tests. The results may show that compared with the latter the former corrosion resistance have been greatly improved. |
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