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Epoxy Nanocomposites Modified with Functionalized Multiwalled Carbon Nanotubes

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Abstract

Multiwalled carbon nanotubes were modified by interaction with γ-aminopropyltriethoxysilane and were dispersed in an epoxy compound. The properties of multiwalled carbon nanotubes treated with γ-aminopropyltriethoxysilane were characterized by transmission electron microscopy and by Raman and Fourier IR spectroscopy. Multiwalled carbon nanotubes modified with γ-aminopropyltriethoxysilane are uniformly distributed in the bulk of the epoxy compound. Introduction of modified carbon nanotubes into the epoxy compound initiates curing of the epoxy oligomer and, in addition, leads to reinforcement of epoxy composites: The bending strength increases by 194%, the bending elastic modulus, by 137%, the tensile strength, by 108%, the tensile elastic modulus, by 52%, and the impact resilience, by 300% relative to the plasticized epoxy composite without multiwalled carbon nanotubes.

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Funding

The study was financially supported by the Russian Science Foundation (project no. 19-73-10133).

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Authors and Affiliations

  1. Engels Institute of Technology, Branch of Yuri Gagarin State Technical University of Saratov, Engels, 413100, Saratov oblast, Russia

    A. S. Mostovoy, V. N. Tseluikin & A. A. Strilets

  2. Yuri Gagarin State Technical University of Saratov, 410054, Saratov, Russia

    A. V. Yakovlev

Authors
  1. A. S. Mostovoy
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  2. A. V. Yakovlev
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  3. V. N. Tseluikin
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  4. A. A. Strilets
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Contributions

A.S. Mostovoi: development of the formulations of epoxy composites modified with multiwalled carbon nanotubes and determination of their mechanical characteristics; A.V. Yakovlev and V.N. Tseluikin: treatment of multiwalled carbon nanotubes with γ-aminopropyltriethoxysilane and study of their properties; A.A. Strilets: evaluation of the softening point, heat resistance, and flame resistance of epoxy composites.

Corresponding author

Correspondence to A. S. Mostovoy.

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The authors declare that they have no conflict of interest.

Additional information

Translated from Zhurnal Prikladnoi Khimii, No. 1, pp. 73–81, December, 2022 https://doi.org/10.31857/S0044461822010091

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Mostovoy, A.S., Yakovlev, A.V., Tseluikin, V.N. et al. Epoxy Nanocomposites Modified with Functionalized Multiwalled Carbon Nanotubes. Russ J Appl Chem 95, 76–83 (2022). https://doi.org/10.1134/S1070427222010104

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  • DOI: https://doi.org/10.1134/S1070427222010104

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