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Electric impedance study of elastic alternating propylene-carbon monoxide copolymer (PCO-200)
Authors:Saadi Abdul Jawad  Adnan S Abu-SurrahMufeed Maghrabi  Ziad Khattari
Institution:a Department of Physics, Hashemite University, PO Box 150459, Zarqa-13115, Jordan
b Department of Chemistry, Hashemite University, PO Box 150459, Zarqa-13115, Jordan
Abstract: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 °C where the material transforms from its insulating phase of conductivity in the order of 6×10−9 to about 9×10−5 (Ω 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 °C and a decreasing radius with increasing temperature. The activation energy was found to be in the order of 0.8 eV.
Keywords:Impedance  Dielectric constant  Electric modulus  Alternating polyketone
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