摘要
以钛酸丁酯为主要原料,采用溶胶-凝胶法制备纳米二氧化钛。通过对溶胶-凝胶法中各个主要影响因素的考察,得到制备纳米二氧化钛材料的优化工艺条件为:配制无水乙醇与水的混合液,并调节pH=2～3,缓慢加料;钛醇盐与水的摩尔比为2～4,乙醇与钛醇盐摩尔比为6～8,溶胶体系pH=2～3,水解成胶化温度为25℃～30℃。
In this paper,we prepared nanoscale TiO2 with Ti(OC4H9)4 through solgel method.With the work on several important factors,got the optimal technological conditions for preparing nanoscale TiO2,that is nTi(OC4H9)4∶nH2O∶nC2H5(OH)=1∶2～3∶6～8,the pH of mixture should be adjusted to between 2 and 3,H2O and part of C2H5(OH) mixture should be feed slowly. The suitable temperature of hydrolysis and gel reaction is between 25℃～30℃.
出处
《化学工业与工程》
CAS
2003年第5期256-260,共5页
Chemical Industry and Engineering
基金
国家自然科学基金资助项目(20176013)。
