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Carbon Nanotube and Nanofibre Reinforced Polyamide-12 Fibres

Published online by Cambridge University Press:  01 February 2011

M. S. P. Shaffer
Affiliation:
Department of Chemistry, Imperial College London, London SW7 2AY, UK
J. K. W. Sandler
Affiliation:
Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB2 3QZ, UK
S. Pegel
Affiliation:
Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB2 3QZ, UK Polymer Composites, Technical University Hamburg-Harburg, D-21073 Hamburg, Ger
A. H. Windle
Affiliation:
Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB2 3QZ, UK
F. Gojny
Affiliation:
Polymer Composites, Technical University Hamburg-Harburg, D-21073 Hamburg, Ger
K. Schulte
Affiliation:
Polymer Composites, Technical University Hamburg-Harburg, D-21073 Hamburg, Ger
M. Cadek
Affiliation:
Materials Ireland Polymer Research Centre, Department of Physics, University of Dublin - Trinity College, Dublin 2, Ireland
W. J. Blau
Affiliation:
Materials Ireland Polymer Research Centre, Department of Physics, University of Dublin - Trinity College, Dublin 2, Ireland
J. Lohmar
Affiliation:
Degussa AG, D-45764 Marl, Germany
M. van Es
Affiliation:
DSM Research, 6160 MD Geleen, The Netherlands
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Abstract

A range of multi-wall carbon nanotubes and carbon nanofibres were mixed with a polyamide-12 matrix using a twin-screw microextruder, and the resulting blends used to produce a series of reinforced polymer fibres. The aim was to compare the dispersion and mechanical properties achieved for nanofillers produced by different techniques. A high quality of dispersion was achieved for all the catalytically-grown materials and the greatest improvements in stiffness were observed using aligned, substrate-grown, carbon nanotubes. The use of entangled multi-wall carbon nanotubes led to the most pronounced increase in yield stress. The degrees of polymer and nanofiller alignment and the morphology of the polymer matrix were assessed using X-ray diffraction and calorimetry.

Type
Research Article
Copyright
Copyright © Materials Research Society 2004

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