During the process of peptization and hydrothermal crystallization, the aggregation behavior and the resulting morphology of nanocrystalline titania (TiO2) were studied by X-ray diffraction (XRD), scanning electron microscope (SEM), and dynamic light scattering (DLS) techniques.
通过XRD、SEM和动态光散射粒度测定仪(DLS)研究了胶溶及水热晶化过程中纳米TiO2晶粒聚集行为及形貌。
The A1(OH)3 sol and Al(0H)3—Zr(OH)4 sol is prepared by peptization method with A1(NO3)3 , ZrOCl2 and NH3H2O as starting materials, using A1(NO3)3 solution and Zr(OH)4 sol as peptizing agents, and the preparation process, preparation conditions and colloid structure are analyzed.
本文以Al(NO_3)_3,ZrOCl_2和氨水为原料,分别以Al(NO_3)_3溶液和Zr(OH)_4溶胶作为胶溶剂,通过胶溶法制备Al(OH)_3溶胶和Al(OH)_3—Zr(OH)_4溶胶,并对两种溶胶的制备过程,制备条件和胶团结构进行了分析。
Effects of peptizing time and stirrer rotation speed on rheological characteristics of peptized pseudo-boehmite;
时间和速率对拟薄水铝石胶溶体系流变性的影响
The peptizing temperature, the concentration of acids and the peptizing time have effect on the process of crystalizing and the growing up of the crystalline.
胶溶时的温度、酸浓度及胶溶时间对晶化过程和晶粒长大均有显著影
A novel process for the deposition of TiO 2 at room temperature using rutile TiO 2 nanopowders synthesized by peptizing the amorphous Ti(OH) 4 in aqueous solutions was studied.
利用回流胶溶在液相中一步合成金红石型TiO2 纳米粉体 ,并采用纳米粉液相成膜新方法 ,低温下制备出纳米金红石相TiO2 薄膜 ,通过XRD、TEM及循环伏安法对TiO2 纳米粉及薄膜的性能进行了表征。