Fabrication of BaTiO3/Epoxy Composites Exhibiting Large Dielectric Constant, Low Dielectric Loss and High Flexural Strength

被引：3
|
作者：
Liu, Jinpeng [1 ]
You, Xiaoqiang [1 ]
Chen, Nan [1 ]
Du, Guoping [1 ]
机构：
[1] Nanchang Univ, Sch Mat Sci & Engn, Nanchang, Peoples R China
来源：
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2019年 / 34卷 / 06期
基金：
中国国家自然科学基金;
关键词：
ceramic; polymer composite; BaTiO3; epoxy; dielectric property; colossal dielectric constant; ENERGY-STORAGE DENSITY; RESIN COMPOSITES; PERMITTIVITY; NANOCOMPOSITES;
D O I：
10.1007/s11595-019-2188-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
BaTiO3/epoxy composites consisting of two three-dimensionally interpenetrating networks of BaTiO3 and epoxy phases were prepared using a new approach. The BaTiO3/epoxy composites exhibit a colossal dielectric constant, low dielectric loss and high flexural strength. In the BaTiO3 networks, chemically bonded grain boundaries between neighboring BaTiO3 grains were established, and they are responsible for the colossal dielectric constant and high flexural strength of the BaTiO3/epoxy composites. Furthermore, unlike the conventional ceramic/polymer composites, this approach also makes high loadings of BaTiO3 contents possible for the BaTiO3/epoxy composites without compromising their high flexural strength.
引用
收藏
页码：1266 / 1273
页数：8
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