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本文以Ti（OC4H9）4为原料，改进了常规的水解沉淀工艺，在氯化按和氨水缓冲溶液中水解沉淀，得到纳米TiO2，通过FT－IR、电位仪等手段，分析制备条件及后处理方法对纳米TiO2微粉表面状态的影响，并从理论上分析影响微粉颗粒团聚的原因，从而寻找粉末颗粒团聚度控制的最佳工艺．
In this paper, Ti (OC4H9) 4 was used as raw material to improve the conventional hydrolysis and precipitation process, hydrolyzed and precipitated in chlorinated and aqueous ammonia buffer solution to obtain nano-TiO2. FT-IR and potentiometer were used to analyze the preparation conditions and post- Method on the surface state of nano-TiO2 fine powder, and theoretically analyzed the reasons for the agglomeration of fine particles to find the optimal process of powder particle agglomeration control.