Study on microstructure and dielectric property of the BaTiO3/epoxy resin composites

被引：181
作者：
Dang, Zhi-Min [1 ]
Yu, Yan-Fei [1 ]
Xu, Hai-Ping [1 ]
Bai, Jinbo [2 ]
机构：
[1] Beijing Univ Chem Technol, Key Lab Minist Educ Nanomat, Key Lab Beijing City Preparat & Proc Novel Pol Ma, Beijing 100029, Peoples R China
[2] Ecole Cent Paris, UMR, CNRS, Lab MSS, F-92295 Chatenay Malabry, France
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2008年 / 68卷 / 01期
基金：
中国国家自然科学基金;
关键词：
dielectric properties; microstructure; BaTiO3; silane coupling agent;
D O I：
10.1016/j.compscitech.2007.05.021
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
High dielectric permittivity barium titanate/epoxy resin (BaTiO3/EPR) composites with different size BaTiO3 particles were prepared and their dielectric properties were studied via a wide range of temperature and frequency. The results show that an appropriate silane coupling agent can be used in order to improve the interaction between BaTiO3 and EPR, and subsequently induces a high dielectric permittivity and a low loss tangent. The size and concentration of BaTiO3 particles also have an effect on the microstructure and dielectric property of composites. Additionally, the dielectric properties of the composites with different size of BaTiO3 particles give different temperature dependence because of the existence of phase transition of large size BaTiO3 particles at its Curie temperature. (c) 2007 Published by Elsevier Ltd.
引用
收藏
页码：171 / 177
页数：7
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