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Industrial-Graded Epoxy Nanocomposites with Mechanically Dispersed Multi-Walled Carbon Nanotubes: Static and Damping Properties

Nano-Tech Società per Azioni., Zona Industriale Campolungo, 105 63100 Ascoli Piceno (I), Italy
Bristol Composites Institute (ACCIS), University of Bristol, Bristol BS8 1TR, UK
Author to whom correspondence should be addressed.
Materials 2017, 10(10), 1222;
Received: 16 August 2017 / Revised: 21 September 2017 / Accepted: 8 October 2017 / Published: 24 October 2017
(This article belongs to the Special Issue Improving Performance of Nanocomposite Materials)
PDF [2097 KB, uploaded 25 October 2017]


The majority of currently published dispersion protocols of carbon nanotubes rely on techniques that are not scalable to an industrial level. This work shows how to obtain polymer nanocomposites with good mechanical characteristics using multi-walled carbon nanotubes epoxy resins obtained by mechanical mixing only. The mechanical dispersion method illustrated in this work is easily scalable to industrial level. The high shearing force due to the complex field of motion produces a good and reproducible carbon nanotube dispersion. We have tested an industrial epoxy matrix with good baseline mechanical characteristics at different carbon nanotube weight loads. ASTM-derived tensile and compressive tests show an increment in both Young’s modulus and compressive strength compared with the pristine resin from a starting low wt %. Comparative vibration tests show improvement in the damping capacity. The new carbon nanotube enhanced epoxy resin has superior mechanical proprieties compared to the market average competitor, and is among the top products in the bi-components epoxy resins market. The new dispersion method shows significant potential for the industrial use of CNTs in epoxy matrices. View Full-Text
Keywords: carbon nanotubes; epoxy; mechanical characterization; dispersion; damping carbon nanotubes; epoxy; mechanical characterization; dispersion; damping

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Giovannelli, A.; Di Maio, D.; Scarpa, F. Industrial-Graded Epoxy Nanocomposites with Mechanically Dispersed Multi-Walled Carbon Nanotubes: Static and Damping Properties. Materials 2017, 10, 1222.

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