纳米ZrO_(2)粉体的制备及其水悬浮液性能  

Preparation of Nano-ZrO_(2)Powder and Properties of Its Aqueous Suspension

作　　者：郭春霞 陈伟东 闫淑芳 赵学平 张泽华 马文 Guo Chunxia;Chen Weidong;Yan Shufang;Zhao Xueping;Zhang Zehua;Ma Wen(Inner Mongolia Key Laboratory of Thin Film and Coatings,College of Materials Science and Engineering,Inner Mongolia University of Technology,Hohhot 010051,China)

机构地区：[1]内蒙古工业大学材料科学与工程学院内蒙古自治区薄膜与涂层重点实验室,内蒙古呼和浩特010051

出　　处：《稀有金属材料与工程》2023年第4期1283-1286,共4页Rare Metal Materials and Engineering

基　　金：National Natural Science Foundation of China(51964035,62264013);Science Project of Inner Mongolia University of Technology(ZY201806)。

摘　　要：以ZrOCl_(2)·8H_(2)O为锆源,通过水热法合成了纳米二氧化锆(ZrO_(2))粉体。结果表明,ZrO_(2)颗粒为椭球形,粒径主要在40~100nm范围内,粒径分布窄。通过测量ZrO_(2)的Zeta电位和粒径,研究了不同pH条件下水悬浮液中此ZrO_(2)粉体的表面电荷和分散性能。发现ZrO_(2)粉体的等电点(IEP)为pH=9.0,在远离IEP处ZrO_(2)颗粒分散性好,而在IEP处则团聚严重。Nanometer-sized zirconia(ZrO_(2))powder was synthesized from ZrOCl_(2)·8H_(2)O through a hydrothermal method.The aqueous suspension stability of ZrO_(2)powder was studied by zeta potential measurement and particle size analysis.Results show that ZrO_(2)nanoparticles are ellipsoidal with uniform particle size,and the particle size is mainly in the range of 40–100 nm.The isoelectric point(IEP)occurs at pH=9.0.ZrO_(2)particles are well dispersed far from IEP and severely agglomerated near IEP.

关 键 词：ZrO_(2)粉体 ZETA电位 水悬浮液 水热法 

分 类 号：TB383[一般工业技术—材料科学与工程] TQ134.12[化学工程—无机化工]