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介绍了用水解制备超细球形TiO2的方法,详细讨论了浓度、酸度的变化对制备超细球形TiO2的影响,不同煅烧温度对球形TiO2晶型的影响,用透射电镜分析了TiO2的粒度和形貌,得到了分散性好、金红石型结构、2μm左右的球形TiO2。
The method of preparing ultrafine spherical TiO2 by hydrolysis was introduced. The influence of concentration and acidity on the preparation of ultrafine spherical TiO2 and the effect of calcination temperature on the morphology of spherical TiO2 were discussed. The size and shape of TiO2 were analyzed by transmission electron microscope Appearance, got good dispersion, rutile structure, about 2μm spherical TiO2.