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Thermal, rheological and electrical analysis of MWCNTs/epoxy matrices

Authors
  • Fogel, Mathieu
  • Parlevliet, Patricia
  • Geistbeck, Matthias
  • Olivier, Philippe
  • Dantras, Eric
Publication Date
Apr 06, 2015
Source
South Shore Journal
Keywords
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Abstract

In this study, the cure kinetics, rheological and electrical behaviors of the MWCNTs/epoxy nanocomposites produced using a three-roll mill are studied. After defining the domain of linear response, the influence of temperature and MWCNTs on the shear viscosity has been investigated. The shear-thinning effect caused by adding CNTs to the epoxy matrix is more pronounced at increased temperature and MWCNT weight content. Furthermore, a mechanical manifestation of the percolation phenomenon may have been observed. At last the electrical conductivity was investigated to characterize the percolation behavior and determine the best CNT content/electrical properties ratio.

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