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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/65643

Title: Electrical and thermal properties of polyamide 12 composites with hybrid fillers systems of multiwalled carbon nanotubes and carbon black
Keywords: A. Carbon nanotubes
Nano composites
Polymer-matrix composites (PMCs)
B. Electrical properties
D. Optical microscopy
Dispersion
Issue Date: 18-May-2011
Publisher: Elsevier
Abstract: Abstract Hybrid filler systems of multiwalled carbon nanotubes (MWCNTs) and carbon black (CB) were incorporated into two types of polyamide 12 (PA12) using small-scale melt mixing in order to identify potential synergistic effects on the interaction of these two electrical conductive fillers. Although no synergistic effects were observed regarding the electrical percolation threshold, at loadings well above the percolation threshold higher volume conductivities were obtained for samples containing both, MWCNT and CB, as compared to single fillers. This effect was more pronounced when using a higher viscous PA12 matrix. The formation of a co-supporting network can be assumed. The combined use of CB and MWCNTs improved the macrodispersion of MWCNT agglomerates, which can be assigned as a synergistic effect. DSC measurements indicated an effect of the nanofiller on crystallisation temperatures of PA12; however this was independent of the kind or amount of the carbon nanofiller.
URI: http://hdl.handle.net/2262/65643
ISSN: 02663538 (ISSN)
DOI: 10.1016/j.compscitech.2011.03.004
Rights: 2011
Affiliation: Leibniz Institute of Polymer Research Dresden - Hohe Str. 6--> , 01069 Dresden--> - GERMANY (Socher, Robert)
Leibniz Institute of Polymer Research Dresden - Hohe Str. 6--> , 01069 Dresden--> - GERMANY (Krause, Beate)
Evonik Degussa GmbH - Paul-Baumann-Str. 1--> , 45772 Marl--> - GERMANY (Hermasch, Sylvia)
Evonik Degussa GmbH - Paul-Baumann-Str. 1--> , 45772 Marl--> - GERMANY (Wursche, Roland)
Leibniz Institute of Polymer Research Dresden - Hohe Str. 6--> , 01069 Dresden--> - GERMANY (Pötschke, Petra)
GERMANY (Pötschke, Petra)
Appears in Collections:PEER Publications

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