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British Journal of Applied Science & Technology, ISSN: 2231-0843,Vol.: 3, Issue.: 4 (October-December)


Effects of Purity on the Mechanical Properties of Single-Walled Carbon Nanotubes-Polymer Nanocomposites


A. Yaya1, D. Dodoo-Arhin1*, B. Onwona-Agyeman1, D.S Konadu1, H. Mensah Brown2 and E. Sinayobye2

1Department of Materials Science and Engineering, University of Ghana, Ghana
2Department of Food Process and Engineering, University of Ghana, Ghana.

Article Information


(1) Jerzy Nowacki, West Pomeranian University of Technology, Szczecin, Institute of Materials Science and Engineering, Poland.

(2) Grzegorz Golanski, Institute of Materials Engineering, Czestochowa University of Technology, Poland.


(1) O. M. Folarin, Ondo State University of Science and Technology, Okitipupa Nigeria.

(2) Anonymous

(3) Anonymous

Complete Peer review History: http://www.sciencedomain.org/review-history/1440


This study investigated the superior mechanical properties of single-walled carbon nanotubes (SWCNTs), its polymer nanocomposites using 0.5% and 1% loading of raw and purified SWCNTs in an epoxy matrix and the degree of dispersion. The extent of load transfer between the nanotubes and the matrix was studied by analysing the second order G’-band (≈2550 cm-1) of Raman Spectroscopy. The samples have been characterised from structural (Raman spectroscopy), mechanical (tensile test), physical and microstructural (SEM) point of view. Purified SWCNTs give a better reinforcing potential compared to raw SWCNTs. We found an increase in Young’s Modulus (3780 MPa-4263 MPa) and toughness (62 MPa-68.8 MPa) for the nanocomposites prepared from purified SWCNTs.

Keywords :

SWCNTs; Raman spectroscopy; scanning electron microscopy; epoxy; young’s modulus.

Full Article - PDF    Page 884-897

DOI : 10.9734/BJAST/2013/4052

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