Development of electrically conductive plastic compounds based on filler combinations
Electrically conductive compounds based on one type of conductive filler show limited electrical conductivities. By the combination of micro-scale fibres and nanofillers the electrical conductivity can be improved. In this paper ternary compounds based on copper fibres in combination with carbon nanotubes, conductive carbon black and a low melting metal alloy within a matrix material of polyamide 6 are investigated. The electrical conductivity of compounds filled exclusively with copper fibres can be considerably increased by adding nanofillers. Besides the electrical conductivity, the mechanical properties, as Young’s modulus and tensile strength, can also be improved by adding carbon nanotubes and carbon black, whereas the elongation at break is not enhanced.
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The Journal of Plastics Technology is a peer reviewed internet periodical published under the auspices of the Scientific Alliance of Polymer Technology (WAK)
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