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首页> 外文期刊>Applied Surface Science >Surface modification of TiO_2 nanoparticles and its effect on the properties of fluoropolymer/TiO_2 nanocomposite coatings
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Surface modification of TiO_2 nanoparticles and its effect on the properties of fluoropolymer/TiO_2 nanocomposite coatings

机译：TiO_2纳米粒子的表面改性及其对含氟聚合物/ TiO_2纳米复合涂层性能的影响

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摘要

Fluoropolymer/TiO_2 nanocomposite coatings have been prepared successfully in this paper. For the improvement of TiO_2 nanoparticles dispersion and increasing the possibility of the interactions between nanoparticles and fluoropolymer matrix, the surface of TiO_2 nanoparticles was modified with KH550 silane coupling agent. The microstructure and properties such as self-cleaning, surface hydrophobicity, ultraviolet and corrosion resistance were investigated by means of Fourier transform infrared spec-troscopy (FT-IR), X-ray photoelectron spectra (XPS), thermogravimetric analysis (TGA), transmission electron microscopy (TEM), self-cleaning test, contact angle measurement, UV spectrophotometer and electrochemical measurement system. The results showed that KH550-modified TiO_2 nanoparticles are of good dispersive capacity in organic solvent, and they can improve the self-cleaning property, surface hydrophobicity, ultraviolet resistance, as well as corrosion resistance of the fluoropolymer/TiO_2 nanocomposite coatings effectively. Also, the optimal reaction temperature and the mass percentage of KH550 to TiO_2 have been obtained.
机译：本文成功地制备了含氟聚合物/ TiO_2纳米复合涂层。为了改善TiO_2纳米粒子的分散性并增加纳米粒子与含氟聚合物基体相互作用的可能性，用KH550硅烷偶联剂对TiO_2纳米粒子的表面进行了改性。通过傅立叶变换红外光谱（FT-IR），X射线光电子能谱（XPS），热重分析（TGA），透射率等方法研究了自清洁，表面疏水性，抗紫外线和耐腐蚀等微观结构和性能。电子显微镜（TEM），自清洁测试，接触角测量，紫外分光光度计和电化学测量系统。结果表明，KH550改性的TiO_2纳米粒子在有机溶剂中具有良好的分散能力，可以有效提高含氟聚合物/ TiO_2纳米复合涂层的自洁性，表面疏水性，耐紫外线性和耐腐蚀性。而且，获得了最佳反应温度和KH550相对于TiO_2的质量百分比。

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  • 来源
    《Applied Surface Science》 |2013年第1期|761-768|共8页
  • 作者

    X.W. Li; R.G. Song; Y.Jiang; C. Wang; D.Jiang;

  • 作者单位

    School of Materials Science and Engineering, Changzhou University, Changzhou 213164,Jiangsu Province, China;

    School of Materials Science and Engineering, Changzhou University, Changzhou 213164,Jiangsu Province, China;

    School of Materials Science and Engineering, Changzhou University, Changzhou 213164,Jiangsu Province, China;

    School of Materials Science and Engineering, Changzhou University, Changzhou 213164,Jiangsu Province, China;

    School of Materials Science and Engineering, Changzhou University, Changzhou 213164,Jiangsu Province, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Fluoropolymer/TiO_2 nanocomposite coatings; Nanoparticles; KH550 silane coupling agent; Surface modification;

    机译：含氟聚合物/ TiO_2纳米复合涂层;纳米颗粒;KH550硅烷偶联剂;表面修饰;

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