Percolation threshold of carbon nanotubes filled unsaturated polyesters

A. Battisti; A. A. Skordos; I. K. Partridge

doi:10.1016/j.compscitech.2009.12.017

Percolation threshold of carbon nanotubes filled unsaturated polyesters

A. Battisti, A. A. Skordos, I. K. Partridge

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Abstract

This paper reports on the development of electrically conductive nanocomposites containing multi-walled carbon nanotubes in an unsaturated polyester matrix. The resistivity of the liquid suspension during processing is used to evaluate the quality of the filler dispersion, which is also studied using optical microscopy. The electrical properties of the cured composites are analysed by AC impedance spectroscopy and DC conductivity measurements. The conductivity of the cured nanocomposite follows a statistical percolation model, with percolation threshold at 0.026 wt.% loading of nanotubes. The results obtained show that unsaturated polyesters are a matrix suitable for the preparation of electrically conductive thermosetting nanocomposites at low nanotube concentrations. The effect of carbon nanotubes reaggregation on the electrical properties of the spatial structure generated is discussed. (C) 2010 Elsevier Ltd. All rights reserved.

Original language	English
Pages (from-to)	633-637
Number of pages	5
Journal	Composites Science and Technology
Volume	70
Issue number	4
DOIs	https://doi.org/10.1016/j.compscitech.2009.12.017
Publication status	Published - Apr 2010

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title = "Percolation threshold of carbon nanotubes filled unsaturated polyesters",

abstract = "This paper reports on the development of electrically conductive nanocomposites containing multi-walled carbon nanotubes in an unsaturated polyester matrix. The resistivity of the liquid suspension during processing is used to evaluate the quality of the filler dispersion, which is also studied using optical microscopy. The electrical properties of the cured composites are analysed by AC impedance spectroscopy and DC conductivity measurements. The conductivity of the cured nanocomposite follows a statistical percolation model, with percolation threshold at 0.026 wt.% loading of nanotubes. The results obtained show that unsaturated polyesters are a matrix suitable for the preparation of electrically conductive thermosetting nanocomposites at low nanotube concentrations. The effect of carbon nanotubes reaggregation on the electrical properties of the spatial structure generated is discussed. (C) 2010 Elsevier Ltd. All rights reserved.",

author = "A. Battisti and Skordos, {A. A.} and Partridge, {I. K.}",

year = "2010",

month = apr,

doi = "10.1016/j.compscitech.2009.12.017",

language = "English",

volume = "70",

pages = "633--637",

journal = "Composites Science and Technology",

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TY - JOUR

T1 - Percolation threshold of carbon nanotubes filled unsaturated polyesters

AU - Battisti, A.

AU - Skordos, A. A.

AU - Partridge, I. K.

PY - 2010/4

Y1 - 2010/4

N2 - This paper reports on the development of electrically conductive nanocomposites containing multi-walled carbon nanotubes in an unsaturated polyester matrix. The resistivity of the liquid suspension during processing is used to evaluate the quality of the filler dispersion, which is also studied using optical microscopy. The electrical properties of the cured composites are analysed by AC impedance spectroscopy and DC conductivity measurements. The conductivity of the cured nanocomposite follows a statistical percolation model, with percolation threshold at 0.026 wt.% loading of nanotubes. The results obtained show that unsaturated polyesters are a matrix suitable for the preparation of electrically conductive thermosetting nanocomposites at low nanotube concentrations. The effect of carbon nanotubes reaggregation on the electrical properties of the spatial structure generated is discussed. (C) 2010 Elsevier Ltd. All rights reserved.

AB - This paper reports on the development of electrically conductive nanocomposites containing multi-walled carbon nanotubes in an unsaturated polyester matrix. The resistivity of the liquid suspension during processing is used to evaluate the quality of the filler dispersion, which is also studied using optical microscopy. The electrical properties of the cured composites are analysed by AC impedance spectroscopy and DC conductivity measurements. The conductivity of the cured nanocomposite follows a statistical percolation model, with percolation threshold at 0.026 wt.% loading of nanotubes. The results obtained show that unsaturated polyesters are a matrix suitable for the preparation of electrically conductive thermosetting nanocomposites at low nanotube concentrations. The effect of carbon nanotubes reaggregation on the electrical properties of the spatial structure generated is discussed. (C) 2010 Elsevier Ltd. All rights reserved.

U2 - 10.1016/j.compscitech.2009.12.017

DO - 10.1016/j.compscitech.2009.12.017

M3 - Article (Academic Journal)

VL - 70

SP - 633

EP - 637

JO - Composites Science and Technology

JF - Composites Science and Technology

SN - 0266-3538

IS - 4

ER -

Percolation threshold of carbon nanotubes filled unsaturated polyesters

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