Preparation and Easy-Cleaning Property of Rare Earth Composite Ceramic
来源期刊：JOURNAL OF RARE EARTHS2006年增刊第2期
论文作者：Liang Jinsheng Liang Guangchuan Li Jiyuan Wang Lijuan
Key words：easy-cleaning; far infrared; surface tension; surface free energy; polar component; rare earths;
Abstract: Rare earth and far-infrared mineral composite materials were added to ceramic glazes to prepare easy-cleaning ceramic. The morphology of easy-cleaning ceramic was observed by SEM. The influence of easy-cleaning ceramic on water surface tension and contact angles of water were investigated. Through calculation of ceramic surface free energy and observation of oil drop on ceramic surface in water, the easy-cleaning mechanism of rare earth composite ceramic was studied. It is found that the rare earth composite ceramic can make water surface tension decrease. The surface free energy and the polar component of rare earth composite ceramic are increased. The rare earth composite ceramics have the easy-cleaning property.
Liang Jinsheng1，Liang Guangchuan1，Li Jiyuan1，Wang Lijuan1
(1.Institute of Power Source and Ecomaterials Science, Hebei University of Technology, Tianjin 300130, China)
Abstract:Rare earth and far-infrared mineral composite materials were added to ceramic glazes to prepare easy-cleaning ceramic. The morphology of easy-cleaning ceramic was observed by SEM. The influence of easy-cleaning ceramic on water surface tension and contact angles of water were investigated. Through calculation of ceramic surface free energy and observation of oil drop on ceramic surface in water, the easy-cleaning mechanism of rare earth composite ceramic was studied. It is found that the rare earth composite ceramic can make water surface tension decrease. The surface free energy and the polar component of rare earth composite ceramic are increased. The rare earth composite ceramics have the easy-cleaning property.
Key words:easy-cleaning; far infrared; surface tension; surface free energy; polar component; rare earths;
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