高等学校化学学报

高等学校化学学报 ›› 1994, Vol. 15 ›› Issue (11): 1686.

• 论文 • 上一篇    下一篇

均分散氧化钛粒子的制备研究

于网林1, 杨平1, 徐秋云1, 朱迎1, 奚正楷1, 陈宗淇2   

  1. 1. 山东建材学院应用化学系, 济南, 250022;
    2. 青岛化工学院应用化学系
  • 收稿日期:1993-12-18 修回日期:1994-04-10 出版日期:1994-11-24 发布日期:1994-11-24
  • 通讯作者: 于网林,男,29岁,硕士,讲师,现为北京大学博士研究生.
  • 作者简介:于网林,男,29岁,硕士,讲师,现为北京大学博士研究生.

A Study of the Preparation of Monodispersed TiO2 Particles

YU Wang-Lin1, YANG Ping1, XU Qiu-Yun1, ZHU Ying1, XI Zheng-Kai1, CHEN Zong-Qi2   

  1. 1. Department of Applied Chemistry, Shandong Institute of Building Materials, Jinan, 250022;
    2. Department of Applied Chemistry, Qingdao Chemical Industry Institute, Qingdao
  • Received:1993-12-18 Revised:1994-04-10 Online:1994-11-24 Published:1994-11-24

PDF (PC)

被引次数

57

摘要： 用升温水解法制备了组成为TiO2的球形和椭球形均分散粒子。系统地研究了制备条件对粒子大小和形状的影响,用电子显微镜和红外光谱对粒子的形态和组成进行了分析。跟踪测定了均分散粒子形成过程中体系电导率的变化,探讨了均分散粒子的形成机制。

关键词: 均分散粒子, 二氧化钛, 硫酸钛, 制备

Abstract: The spherical and ellipsoidal monodispersed TiO2 particles were prepared by using the method of hydrolysis from Ti(SO4)2 at increasing temperature.The effects of the concentration of Ti(SO4)2 and initial pHvalue on the size and morphology of the particles were studied systematically. It was found that the size of the particles increased with increasing Ti(SO4)2 cuncentration and decreasing pHvalue, and the morphology of the particles also changed due to the two factors.The morphology, size, and composition of the particles were studied by electronic microscopy and IR.Based on the change of the conductibility of the solution during the formation of the particles, the formation mechanism of the monodispersed particles was discussed.

Key words: Monodispersed particles, Titanium dioxide, Titanitim sulphate, Preparation

TrendMD: