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Journal of Nanoparticle Research

Erschienen in:

01.12.2011 | Research Paper

Carbon nanotube (CNT)–epoxy nanocomposites: a systematic investigation of CNT dispersion

verfasst von: Amit K. Chakraborty, Tiia Plyhm, Michel Barbezat, Adly Necola, Giovanni P. Terrasi

Erschienen in: Journal of Nanoparticle Research | Ausgabe 12/2011

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Abstract

A systematic investigation of the dispersion of carbon nanotubes (CNTs), 1–6 nm in diameter and a few microns in length, in a bisphenol F-based epoxy resin has been presented. Several dispersing techniques including high-speed dissolver, ultrasonic bath/horn, 3-roll mill, etc. have been employed. Optical microscopy has been extensively used to systematically characterise the state of CNT dispersion in the epoxy resin during the entire processing cycle from mixing CNT with resin to adding and curing with hardener. Complimentary viscosity measurements were also performed at various stages of nanocomposite processing. A method to produce a good CNT dispersion in resin was established, but the state of CNT dispersion was found to be extremely sensitive to its physical and chemical environments. The cured nanocomposites were further tested for their thermo-mechanical properties by dynamic mechanical thermal analysis (DMTA), and for flexural and compressive mechanical properties. The measured properties of various nanocomposite plates were then discussed in view of the corresponding CNT dispersion.

Vorheriger Artikel Aggregation kinetics of CeO2 nanoparticles in KCl and CaCl2 solutions: measurements and modeling

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Titel: Carbon nanotube (CNT)–epoxy nanocomposites: a systematic investigation of CNT dispersion
verfasst von: Amit K. Chakraborty
Tiia Plyhm
Michel Barbezat
Adly Necola
Giovanni P. Terrasi
Publikationsdatum: 01.12.2011
Verlag: Springer Netherlands
Erschienen in: Journal of Nanoparticle Research / Ausgabe 12/2011
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-011-0552-3

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