The effect of TiO2 nanofilms’ water sensitivity on the contamination resistance of coating
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    Abstract:

    To improve the coating stain resistant performance using the photocatalytic activity of TiO2 is a hot research topic in recent years. In the article,hydrophilic TiO2 and hydrophobic TiO2 are prepared by hydrothermal method. The samples are characterized by X-ray diffraction(XRD) and transmission electron microscope(TEM). The results show that both the hydrophilic-TiO2 and hydrophobic-TiO2 are anatase,and the particle size of hydrophilic-TiO2 is 40 nm,while hydrophobic-TiO2 is only 7 nm. Moreover,the samples are employed for super-hydrophilic and super-hydrophobic coatings,respectively. The contact angle measurement is used to characterize the as-synthesized TiO2 coatings. The effect of the water contact angle on the contamination resistance is investigated. It is shown that the synthesized the hydrophilic TiO2 and hydrophobic TiO2 coatings both can remarkably improve the contamination resistance of the paint and the latter exhibited the better performance.

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张智强,殷峰,段东方,张育新.纳米TiO2涂膜水敏感性对涂料耐沾污性能的影响[J].重庆大学学报,2014,37(3):53~57

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History
  • Received:October 25,2013
  • Online: April 01,2014
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