4.6 Article

Mechanical, Electrical, and Thermal Properties of Carbon Nanotube Buckypapers/Epoxy Nanocomposites Produced by Oxidized and Epoxidized Nanotubes

Journal

MATERIALS
Volume 13, Issue 19, Pages -

Publisher

MDPI
DOI: 10.3390/ma13194308

Keywords

buckypaper; nanocomposites; mechanical properties; electrical properties; thermal properties

Funding

  1. European Union [European Social Fund (ESF)]
  2. Operational Program Education and Lifelong Learning of the National Strategic Reference Framework (NSRF)-Research Funding Program: Thales [MIS 380389]
  3. IKY (Greece)
  4. DAAD (Germany), through IKYDA Academic Exchange program

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High volume fraction carbon nanotube (CNT) composites (7.5-16% vol.) were fabricated by the impregnation of CNT buckypapers into epoxy resin. To enhance the interfacial reaction with the epoxy resin, the CNTs were modified by two different treatments, namely, an epoxidation treatment and a chemical oxidation. The chemical treatment was found to result in CNT length severance and to affect the porosity of the buckypapers, having an important impact on the physico-mechanical properties of the nanocomposites. Overall, the mechanical, electrical, and thermal properties of the impregnated buckypapers were found to be superior of the neat epoxy resin, offering an attractive combination of mechanical, electrical, and thermal properties for multifunctional composites.

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