AC Conductivity and Dielectric Relaxation Behavior Studies of 2-Acrylamido 2-Methyl Propane Sulphonic Acid (AMPS) with Amide Copolymers: Composition Dependence

A. Narender

doi:10.55524/ijirem.2022.9.2.13

Abstract

A systematic measurement of dielectric constant (ε) and loss (tanδ) on powder pressed pellets of MAA with AMPS copolymers in composition10/90,20/80 and 50/50 have been carried out in the frequency range 200Hz – 100 kHz and in the temperature range from room temperature to180^oC covering through the glass transition temperature (T_g). Relaxation peaks were observed (above T_g )from tanδ versus temperature curves. The peaks are attributed to α – relaxations. Further the peaks shift towards higher temperatures for higher frequencies. The AC conductivity has also been evaluated from the data. The results are discussed in the light of substituent effect in the copolymer.

Keywords

Dielectric constant (Îµ), Dielectric loss (tanÎ´), AC conductivity, Relaxation, segmental motion

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Cites this article as

A. Narender "AC Conductivity and Dielectric Relaxation Behavior Studies of 2-Acrylamido 2-Methyl Propane Sulphonic Acid (AMPS) with Amide Copolymers: Composition Dependence", International Journal of Innovative Research in Engineering & Management (IJIREM), Vol-9, Issue-2, Page No-95-102, 2022. Available from: https://doi.org/10.55524/ijirem.2022.9.2.13