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针对液相法二氧化钛颗粒表面包覆氧化硅纳米膜的过程 ,提出包覆过程是溶胶 凝胶机制 ,研究了表面成膜的动力学方程 ,考察了成膜剂浓度和成膜过程中温度对成膜速度的影响 ,并通过实验对氧化硅膜形成的动力学方程进行了验证
Aiming at the process of coating silica nanofilm on the surface of titanium dioxide particles by liquid phase method, the sol-gel mechanism was proposed and the kinetic equation of the surface filming was studied. The effects of film-forming agent concentration and temperature on Film velocity, and experimentally verified the formation of the silicon oxide film dynamics equation