Surface Coating of TiO_2 Powder

机译：TiO_2粉末的表面涂层

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SiO_2 nano-scale films were coated on the surface of TiO_2 powder by liquid phase deposition. The morphology and the composition of coated TiO_2 were studied by transmission electron microscopy (TEM), X-ray photoelectronic spectrscopy (XPS), and X-ray fluorescence (XRF). The study showed that a continuous SiO_2 nano-scale film was coated on the TiO_2 particles, and the element Si was bonded to the surface of TiO_2 in the form of the Ti-O-Si bond. The most suitable conditions for coating are: 0.5 mol·L~(-1) of C_(Na_2SiO_3) ; pH value of 9.5; 200 g·L~(-1) of C_(TiO_2), reaction time of 5 h at 85 °C.

机译：通过液相沉积在TiO_2粉末表面上涂覆SiO_2纳米型膜。通过透射电子显微镜（TEM），X射线光电子光谱（XPS）和X射线荧光（XRF）研究了涂覆的TiO_2的形态和组合物。该研究表明，在TiO_2颗粒上涂覆连续的SiO_2纳米级膜，用Ti-O-Si键的形式将元素Si键合到TiO_2的表面上。最合适的涂层条件是：0.5mol·L〜（-1）的C_（NA_2SIO_3）; pH值为9.5; C_（TiO_2）的200g·L〜（-1），在85℃下的5小时反应时间。

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《International forum on powder technology application》|2009年||共7页
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中图分类粉末技术;
关键词
TiO_2; liquid phase deposition; surface coating;

机译：tio_2;液相沉积;表面涂层;

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Surface Coating of TiO_2 Powder

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