Synthesis and characterization of carbon nanotube-reinforced epoxy : Correlation between viscosity and elastic modulus

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DOIResolve DOI: http://doi.org/10.1016/j.compscitech.2009.04.023
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TypeArticle
Journal titleComposites Science and Technology
Volume69
Issue14
Pages22742280; # of pages: 7
SubjectA. Nanocomposites; A. Carbon nanotubes; B. Mechanical properties; D. Raman spectroscopy; D. Rheology; D. Thermogravimetric analysis (TGA)
AbstractWe report the synthesis and characterization of nanocomposite thin films consisting of single-walled carbon nanotubes with different functionalization schemes dispersed in an epoxy matrix. The thermal, rheological, and mechanical properties of nanocomposite thin films were experimentally characterized to establish a relationship between processing and performance. The results from the rheological analysis confirmed that the nanotube type and functionalization strongly affect the resin viscosity during cure. A correlation between the rheological behaviour and the measured elastic properties was established. Nanotubes produced by plasma and functionalized with carboxyl group had the lowest influence on viscosity and led to the highest improvement in elastic properties. The measured increase in elastic modulus was consistent with predictions based on Mori–Tanaka micromechanics.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedYes
NPARC number16457840
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Record identifier5b89d69f-b37c-47d3-8a6c-fada7d75411e
Record created2011-02-14
Record modified2016-05-09
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