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Influence of Carbon Nanotubes on the Mechanical Properties of Cross-Linked Polyurethanes

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Materials Science Aims and scope

By the methods of electron microscopy, dynamic mechanical analysis, and transmission of ultrasound, we study the principal mechanical characteristics of systems based on cross-linked polyurethanes and carbon nanotubes. It is shown that they exhibit the percolation behavior and, in the region of percolation transition (0.4–1%), their mechanical characteristics undergo abrupt changes. In this case, the decisive influence is exerted by the aggregates of carbon nanotubes. As the percolation threshold is reached, we observe the formation of a branched network of carbon nanotubes and the tensile strength, the modulus of elasticity, and the velocity of ultrasound significantly increase in the investigated materials.

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The authors express their deep gratitude to the stuff of the “Thermophysical Investigations and Analysis” Center of Collective Use of the Research Equipment (CCURE) at the Institute of Chemistry of High-Molecular Compounds of the Ukrainian National Academy of Sciences for carrying out the required thermophysical investigations by the method of DMA.

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Authors and Affiliations

  1. Sukhomlyns’kyi Mykolaiv National University, Mykolaiv, Ukraine

    Е. А. Lysenkov

  2. Institute of Chemistry of High-Molecular Compounds, Ukrainian National Academy of Sciences, Kyiv, Ukraine

    Z. О. Haholkina, E. V. Lobko, M. H. Tkalich & V. V. Klepko

Authors
  1. Е. А. Lysenkov
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  2. Z. О. Haholkina
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  3. E. V. Lobko
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  4. M. H. Tkalich
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  5. V. V. Klepko
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Correspondence to Е. А. Lysenkov.

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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 53, No. 1, pp. 18–24, January–February, 2017.

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Lysenkov, Е.А., Haholkina, Z.О., Lobko, E.V. et al. Influence of Carbon Nanotubes on the Mechanical Properties of Cross-Linked Polyurethanes. Mater Sci 53, 14–21 (2017). https://doi.org/10.1007/s11003-017-0037-3

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  • DOI: https://doi.org/10.1007/s11003-017-0037-3

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