Effect of surface modification on behaviors of cerium oxide nanopowders

被引：0
|
作者：
Li Mei
Shi Zhenxue
Liu Zhaogang
Hu Yanhong
Wang Mitang
Li Hangquan [1 ]
机构：
[1] Beijing Univ Chem Engn, Sch Mat Sci & Engn, Beijing 100029, Peoples R China
[2] Inner Mongolia Univ Sci & Technol, Sch Met & Mat, Baotou 014010, Peoples R China
来源：
JOURNAL OF RARE EARTHS | 2007年 / 25卷 / 03期
关键词：
polymeric materials; cerium oxide; nanopowder; surface modification; surfactant; rare earths;
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Study was made on the effect of surface modification on the behaviors of cerium oxide nanopowders. A surfactant-sodium dodecyl sulfate(C12H25 SO4Na) was used to modify the surface of CeO2 powder particles. The unmodified and modified CeO2 powders were characterized by using a powder comprehensive characteristic tester, laser particle size analyzer, specific surface area tester, X-ray diffraction tester, and a scanning electron microscope. The testing and analysis results showed that C12H25SO4Na surface modification might increase the flowability and dispersity, and decrease the specific surface area and agglomeration of CeO2 powders. The mechanism of the surface modification of CeO2 powder particles was also discussed.
引用
收藏
页码：368 / 372
页数：5
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