简单、经济、规模化制备二氧化钛( TiO2)光致超亲水表面备受重视.本研究利用硅氧烷溶胶为介质,将TiO2纳米颗粒浸涂到玻璃表面.考查了颗粒在表面的分散状况和TiO2含量对涂层光致超亲水性能、透明性以及涂层牢固度和表面硬度的影响.结果发现:浸涂并经紫外辐照1h或120℃烘干3h后,TiO2纳米颗粒能均匀、牢固地负载到玻璃表面；10 min UV辐照后,表面变得超亲水；涂层附着力达0级,表面硬度达到5H.硅氧烷溶胶对玻璃表面的良好浸润性和对含羟基纳米颗粒的良好“粘结”性能是纳米颗粒在玻璃表面能均匀、牢固负载的主要原因.研究结果为大规模、低成本制备透明自清洁表面提供了理论和实验基础.
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