Dielectric relaxation study of diol mixtures

被引：18
|
作者：
Hanna, FF
Gestblom, B
Soliman, A
机构：
[1] Natl Res Ctr, Microwave Phys Dept, Cairo 12311, Egypt
[2] Univ Uppsala, Dept Phys, S-75121 Uppsala, Sweden
[3] La Trobe Univ, Dept Phys, Bundoora, Vic 3086, Australia
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2000年 / 2卷 / 22期
关键词：
D O I：
10.1039/b007356n
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The dielectric relaxation of binary and ternary diol mixtures was studied. Diols of different chain lengths namely ethane-1,2-diol, propane-1,3-diol, butane-1,4-diol and pentane-1,5-diol were used. The relaxation spectra were analyzed in a single Cole-Davidson term. The effective dielectric relaxation time is shown to depend exponentially on the number density of dipoles or molecules. An empirical equation is suggested.
引用
收藏
页码：5071 / 5075
页数：5
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