The Influence of Temperature on Conductivity and Dielectric Properties of PMA/PVAc Blend with Addition of TPAI Salt

Amisha Azmar; N.A.Y Razamin; Tan Winie

doi:10.4028/www.scientific.net/MSF.889.201

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HomeMaterials Science ForumMaterials Science Forum Vol. 889The Influence of Temperature on Conductivity and...

The Influence of Temperature on Conductivity and Dielectric Properties of PMA/PVAc Blend with Addition of TPAI Salt

Abstract:

Ionic conductivity for polymethyl acrylate (PMA) and polyvinyl acetate (PVAc) blend at composition 90:10 in the presence of tetrapropyl ammoinum iodide (TPAI) showed linear increment with temperature. At selected frequencies, the values for both dielectric constant, ε_r and dielectric loss, ε_i are found to increase with temperature. It is also found that the variation of ε_r is in agreement with conductivity variation of PMA/PVAc-TPAI samples. The imaginary part of electric modulus,M_i showed the occurance of dispersion peak. Relaxation time of ionic charge carrier are extracted from the M_i maximum peak at various temperatures. It is found that relaxation time decreased with increasing temperature from ~10^-4 s at 343 K to ~10^-5 s at 373 K.

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Materials Science Forum (Volume 889)

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201-206

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https://doi.org/10.4028/www.scientific.net/MSF.889.201

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March 2017

Authors:

Amisha Azmar, N.A.Y Razamin, Tan Winie

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Conductivity, Dielectric, PMA, PVAc, TPAI

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