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Micromechanical characterization of single-walled carbon nanotube reinforced ethylidene norbornene nanocomposites for self-healing applications

Brahim Aïssa, Emile Haddad, Wes Jamroz, Salim Hassani, Rouhollah Dermanaki Farahani, P. G. Merle and Daniel Therriault

Article (2012)

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Abstract

We report on the fabrication of self healing nanocomposite materials, consisting of single-walled carbon nanotube (SWCNT) reinforced 5-Ethylidene-2-norbornene (5E2N) healing agent -reacted with Ruthenium Grubbs catalyst- by means of ultrasonication, followed by a three-roll mixing mill process. The kinetics of the 5E2N ring opening metathesis polymerization (ROMP) was studied as a function of the reaction temperature and the SWCNT loads. Our results demonstrated that the ROMP reaction still effective in a large temperature domain (-15 to 45 ºC), occurring at very short time scales (less than one minute at 40 ºC). On the other hand, the micro-indentation analysis performed on the SWCNT/5E2N nanocomposite materials after its ROMP polymerization were shown a clear increase in both the hardness and the Young modulus -up to nine times higher than that of the virgin polymer- when SWCNT loads range only from 0.1 to 2 wt. %. This approach demonstrated here opens new prospects for using carbon nanotube and healing agent nanocomposite materials for self-repair functionality, especially in space environment.

Subjects: 2000 Materials science and technology > 2001 Materials structure, properties and testing
Department: Department of Mechanical Engineering
Research Center: CREPEC - Center for Applied Research on Polymers and Composites
Funders: CRSNG/NSERC, Fonds Québécois de la Recherche sur la Nature et les Technologies (FQRNT)
PolyPublie URL: https://publications.polymtl.ca/10390/
Journal Title: Smart Materials and Structures (vol. 21, no. 10)
Publisher: IOP Publishing Ltd
DOI: 10.1088/0964-1726/21/10/105028
Official URL: https://doi.org/10.1088/0964-1726/21/10/105028
Date Deposited: 07 Jul 2022 15:02
Last Modified: 10 Apr 2024 23:21
Cite in APA 7: Aïssa, B., Haddad, E., Jamroz, W., Hassani, S., Farahani, R. D., Merle, P. G., & Therriault, D. (2012). Micromechanical characterization of single-walled carbon nanotube reinforced ethylidene norbornene nanocomposites for self-healing applications. Smart Materials and Structures, 21(10), 105028. https://doi.org/10.1088/0964-1726/21/10/105028

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