阅读说明：本技术 氧化钛细粒及其制备方法 (Fine titanium oxide particle and preparation method thereof ) 是由 梶诚司 下井田博谦 大森由里绘 于 2015-06-30 设计创作，主要内容包括：本发明提供了：具有小一次粒径和小团聚粒径的氧化钛细粒；和用于制备氧化钛细粒的方法。氧化钛细粒的BET直径是1-50nm；其团聚粒径是1-200nm；并且(团聚粒径)/(BET直径)比率是1-40。在控制pH范围和温度范围的同时,将氯(氧)化钛在水性溶剂中水解。优选地,对氯(氧)化钛进行在水性溶剂中的一次水解,并随后在向其中加入氯(氧)化钛的同时进行二次水解。(The present invention provides: the fine titanium oxide particle with small primary particle size and small aggregated particle size；With the method for being used to prepare fine titanium oxide particle.The BET diameter of fine titanium oxide particle is 1-50nm；Its aggregated particle size is 1-200nm；And (aggregated particle size)/(BET diameter) ratio is 1-40.While controlling pH range and temperature range, chlorine (oxygen) change titanium is hydrolyzed in an aqueous solvent.Preferably, the primary hydrolysis of titanium progress in an aqueous solvent is changed to chlorine (oxygen), and then carries out secondary hydrolysis while chlorine (oxygen) is added thereto and changes titanium.)