Several purification and processing techniques for laser-produced single wall carbon nanotube (SWCNT) soot were investigated and the resulting changes in the mechanical properties were characterized. SWCNT ribbons had non-nanotube carbonaceous content modified via thermal oxidation and the relationship between oxidation parameters and mechanical strength studied. SWCNT/polyamide composites were developed and exhibited improved toughness, tensile strength and elongation before break. The composite material is observed to have a greater tensile strength than either the baseline paper or the added polyamide.
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Moses, B.T., Jarosz, P.R., Schauerman, C.M. et al. Dynamic Mechanical Analysis of Bulk Carbon Nanotube Materials. MRS Online Proceedings Library 1204, 1848 (2009). https://doi.org/10.1557/PROC-1204-K18-48