Frequency and temperature dependence of AC electrical properties of graphitized carbon-black filled rubbers

被引：0
|
作者：
Jawad, SA
Alnajjar, A
机构：
来源：
POLYMER INTERNATIONAL | 1997年 / 44卷 / 02期
关键词：
graphitized carbon-black; impedance; dielectric constant; phase angle; relaxation;
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The a.c. electrical properties of graphitized carbon-black filled rubbers were investigated in the temperature range 25-85 degrees C and in the frequency range 10-10(6)Hz. The volume fraction of the filler varied from 15 to 60%. The a.c. impedance was found to decrease dramatically with increasing filler content for volume fractions higher than 30%. A relaxation transition with an activation energy of 26.4-50 kJ/mol was observed only in the samples containing 45% and 60% of the fillers.
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页码：208 / 212
页数：5
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