Multi-layered adsorption of 3Y-ZrO2 nanoparticles on polystyrene microsphere

被引：1
|
作者：
Shen, Liya [1 ]
Liu, Mingjian [1 ]
Liu, Xiaozhen [1 ]
Deng, Lei [1 ]
Li, Bo [1 ]
机构：
[1] Lanzhou Univ, Dept Mat Sci, Lanzhou 730000, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2006年 / 41卷 / 10期
关键词：
ceramics; multilayers; polymers; microstructure; surface properties;
D O I：
10.1016/j.materresbull.2006.03.009
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Multi-layered adsorption of 3Y-ZrO2 nanoparticles on polystyrene (PS) microsphere using layer-by-layer (LBL) assembly technique was investigated. By employing sodium poly (acrylic acid) (PAANa) and polyethylenimine (PEI) to modify the zeta potential of the powders, the heterocoagulation takes place between the coating powders and microspheres substrate and the zirconia coating on the surface of polystyrene spheres was successfully formed. Dense, uniform multi-layered zirconia can be obtained on the surface of polystyrene spheres and the thickness of zirconia coating increased by repeating the coating process. The diameter of the spheres expands to 1.5 mu m after the first coating and 1.65 mu m after the third coating comparing with the original polystyrene spheres with diameter of 1.4 mu m. (C) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1891 / 1901
页数：11
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