Electrical impedance of ethylene-carbon monoxide/propylene-carbon monoxide (EPEC-69) thermoplastic polyketone
作者： Saadi Abdul Jawad , Adnan S. Abu-Surrah , Mufeed Maghrabi , Ziad Khattari , Manar Al-Obeid
DOI: 10.1007/S10853-010-5148-2
关键词:
摘要: Electrical impedance technique was employed to investigate the electrical properties of ethylene-carbon monoxide/propylene-carbon monoxide terpolymer (EPEC-69). The measurements were performed in frequency range 0.1–105 Hz and temperature 30–110 °C. results reveal that dielectric constant, loss factor, modulus, ac conductivity are dependent temperature. A Debye relaxation peak detected plot Z″ versus where activation energy determined found be 1.26 eV. When surface phenomenon effects separated using imaginary part complex admittance a second dispersion observed low region. Two models proposed from depending on range.
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