It was found that increase in the content of carbon nanotubes with various chemical structures and geometry in composite materials based on cross-linked polyurethanes leads to increase of the conductivity and tensile strength, accompanied by decrease of their elongation at break. Systems with carbon nanotubes of largest external diameter have the highest conductivity and tensile strength over the whole range of concentrations. It was shown that the presence of nitrogen atoms at the nodes of the nanotubes reduces the conductivity and has little effect on the tensile strength of the polyurethane composites.
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Translated from Teoreticheskaya i Éksperimental’naya Khimiya, Vol. 52, No. 1, pp. 14-18, January-February, 2016.
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Gagolkina, Z.O., Lemesh, N.V., Lobko, E.V. et al. Effect of Chemical Structure and Geometry of Carbon Nanotubes on Electrical and Mechanical Properties of Nanocomposites Based on Cross-Linked Polyurethane. Theor Exp Chem 52, 16–20 (2016). https://doi.org/10.1007/s11237-016-9444-z
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DOI: https://doi.org/10.1007/s11237-016-9444-z