2010
DOI: 10.1016/j.jnoncrysol.2010.05.053
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Effect of temperature on the electrical properties of copolymer/carbon black mixtures

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Cited by 36 publications
(18 citation statements)
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“…That is, when the filler content is low, the mean distance between conducting particles is large and the conductivity is restricted by the presence of the insulating matrix, but by increasing the conductive phase content, the conducting particles get closer and at a critical concentration the electrical properties are dominated by them. Another important insulator/conductor transition is related to the temperature dependence of the electrical resistivity [3,9,10]. In fact, when conductive fillers, such as CB, are added to the polymer matrix which is an electrically insulating material, the conductivity of the composite is changed from insulator to conductor.…”
Section: Introductionmentioning
confidence: 99%
“…That is, when the filler content is low, the mean distance between conducting particles is large and the conductivity is restricted by the presence of the insulating matrix, but by increasing the conductive phase content, the conducting particles get closer and at a critical concentration the electrical properties are dominated by them. Another important insulator/conductor transition is related to the temperature dependence of the electrical resistivity [3,9,10]. In fact, when conductive fillers, such as CB, are added to the polymer matrix which is an electrically insulating material, the conductivity of the composite is changed from insulator to conductor.…”
Section: Introductionmentioning
confidence: 99%
“…In the low frequency region, we measured the "in-phase" (V f ) and the "out-of-phase" (V q ) components of the sample signal, in the lockin amplifier configuration, and then we calculated the real and imaginary parts of the impedance, using the expression [7]. The complex impedance is calculated as,…”
Section: Resultsmentioning
confidence: 99%
“…3), позволяет по наклону полученной пря-мой оценить параметр t, который оказывается рав-ным t = 1.85. Отметим, что, например, в композитах ТРГ−каменноугольный пек, полученных путем нагрева соответствующих дисперсных механических смесей до 200 • C, оценки дают значения x c = 1.5% и t = 1.9 [15], в композитах, где в полимерной матрице располагались сажевые частицы, x c = 11%, t = 2.24 [16].…”
Section: обсуждение результатовunclassified