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Tribological and mechanical properties of polyamide-11/halloysite nanotube nanocomposites

Sahnoune, Mohamed and Kaci, Mustapha and Taguet, Aurélie and Delbé, Karl and Mouffok, Samir and Abdi, Said and Lopez-Cuesta, José-Marie and Focke, Walter W. Tribological and mechanical properties of polyamide-11/halloysite nanotube nanocomposites. (2019) Journal of Polymer Engineering, 39 (1). 25-34. ISSN 2191-0340

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Official URL: https://doi.org/10.1515/polyeng-2018-0131


This article reports some morphological, tribological, and mechanical data on polyamide-11(PA11)/ halloysite nanotube (HNT) nanocomposites prepared by melt-compounding. HNTs extracted from the Djebel Deb- bagh deposit in Algeria were incorporated into the polymer at 1, 3, and 5 wt%. For comparison, commercial HNTs were also used under the same processing conditions. Scanning electron microscopy showed that both HNTs were homogeneously dispersed in the PA11 matrix, despite the presence of few aggregates, in particular at higher filler contents. The tribological properties were significantly improved, resulting in a decrease in the friction coefficient and the wear rate characteristics due to the lubricating effect of HNTs. This is consistent with optical profilometry data, which evidenced the impact of both types of HNTs on the surface topography of the nanocomposite samples, in which the main wear process was plastic deformation. Furthermore, Young’s modulus and tensile strength were observed to increase with the filler content, but to the detriment of elongation at break and impact strength. Regarding the whole data, the raw Algerian halloysite led to interesting results in PA11 nanocomposites, thus reveal- ing its potential in polymer engineering nanotechnology.

Item Type:Article
HAL Id:hal-02359810
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Other partners > Université des Sciences et de la Technologie Houari Boumediene - USTHB (ALGERIA)
Other partners > IMT Mines Alès (FRANCE)
Other partners > Université Abderrahmane Mira de Béjaïa (ALGERIA)
Other partners > University of Pretoria (SOUTH AFRICA)
Laboratory name:
Deposited On:14 May 2019 07:46

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