Electric impedance study of elastic alternating propylene-carbon monoxide copolymer (PCO-200)

被引：20

作者：

Jawad, Saadi Abdul ^{[1
]}

Abu-Surrah, Adnan S. ^{[2
]}

Maghrabi, Mufeed ^{[1
]}

Khattari, Ziad ^{[1
]}

机构：

[1] Hashemite Univ, Dept Phys, Zarqa 13115, Jordan

[2] Hashemite Univ, Dept Chem, Zarqa 13115, Jordan

来源：

PHYSICA B-CONDENSED MATTER | 2011年 / 406卷 / 13期

关键词：

Impedance; Dielectric constant; Electric modulus; Alternating polyketone; MOLECULAR-WEIGHT; MODULUS; PROPENE; SPECTROSCOPY; CATALYSTS; BEHAVIOR;

D O I：

10.1016/j.physb.2011.03.069

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The electrical properties of elastic alternating propylene-carbon monoxide copolymer (PCO-200) were investigated using the impedance spectroscopy technique. The results revealed a phase transition at about 70 degrees C where the material transforms from its insulating phase of conductivity in the order of 6 x 10(-9) to about 9 x 10(-5) (Omega m)(-1), The second phase is characterized by temperature dependent electrical relaxation phenomena. The plot of the complex electric modulus and the complex impedance yields semicircles in the temperature range 70 up to 110 degrees C and a decreasing radius with increasing temperature. The activation energy was found to be in the order of 0.8 eV. (C) 2011 Elsevier B.V. All rights reserved.

引用

收藏

页码：2565 / 2569

页数：5

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