Surface modification of diatomite using polyaniline

被引：34
|
作者：
Li, Xingwei [1 ]
Li, Xiaoxuan
Wang, Gengchao
机构：
[1] E China Univ Sci & Technol, Key Lab Ultrafine Mat, Minist Educ, Sch Mat Sci & Engn, Shanghai 200237, Peoples R China
[2] Nanjing Univ Sci & Technol, Dept Chem, Nanjing 210094, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2007年 / 102卷 / 2-3期
关键词：
polyaniline; diatomite; surface properties; electrical properties;
D O I：
10.1016/j.matchemphys.2006.11.014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A conducting polyaniline/diatomite composite was obtained by surface modification of diatomite using polyaniline, and was characterized by Fourier-transform infrared spectra, X-ray photoelectron spectra, conductivity and dielectric properties. Surface area, total pore volume and pore size distribution of this composite were also measured. It was found that DC conductivity of this composite decreased with the increase of temperature from 278 to 463 K. The measurements of dielectric properties showed that the polyaniline/diatomite composite had lower dielectric constant and electric loss values than that of control polyaniline in the range of measured frequency. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：140 / 143
页数：4
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