Journal
MATERIALS LETTERS
Volume 125, Issue -, Pages 116-119Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2014.03.096
Keywords
Polymeric composites; Nanocomposites; Carbon nanotubes; Deformation and fracture; Microstructure
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Single-wall carbon-nanotube (SWNT) reinforced elastomeric epoxy composites were fabricated by adding 0.03 wt% SWNTs and using 0.3 wt% block copolymer to obtain a good dispersion of carbon nanotubes in the epoxy matrix. Young's modulus, fracture stress and strain of the SWNT/epoxy composites with block copolymer were increased by 141%, 127% and 43%, respectively, compared to the pure epoxy resin. Scanning electron microscopy observation revealed that using the block copolymer as a dispersing agent significantly improved both SWNT dispersion in the epoxy matrix and interfacial bonding/load transfer. (C) 2014 Elsevier B.V. All rights reserved.
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