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

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...

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Veröffentlicht in:	Physica. B, Condensed matter Condensed matter, 2011-07, Vol.406 (13), p.2565-2569
Hauptverfasser:	Abdul Jawad, Saadi, Abu-Surrah, Adnan S., Maghrabi, Mufeed, Khattari, Ziad
Format:	Artikel
Sprache:	eng
Schlagworte:	Alternating polyketone Applied sciences Condensed matter Conductivity Copolymers Dielectric constant Electric modulus Electrical properties Electrical, magnetic and optical properties Exact sciences and technology Impedance Organic polymers Phase transformations Physicochemistry of polymers Properties and characterization Resistivity Transforms
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Zusammenfassung:	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 (Ωm)−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 0.8eV.
ISSN:	0921-4526 1873-2135
DOI:	10.1016/j.physb.2011.03.069