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Abstract <p>The study examines the dependence of the functional activity of multiwall carbon nanotubes (MWCNTs) in polymer nanocomposites (PNCs) on the number of layers and the concentration of MWCNTs in the polymer matrix. The analysis shows that the functional activity decreases inversely proportionally to the number of MWCNT layers. An increase in the concentration of MWCNTs in the polymer matrix is accompanied, on the one hand, by an increase in the functional activity of MWCNTs due to the increase in total active surface area, and on the other, by a decrease in it due to the reduction in the specific active volume of the polymer matrix. This leads to a peak-shaped dependence of the functional activity of MWCNTs on their concentration in the polymer, which is confirmed by experimental data on the impact resistance of polymer MWCNT-composites.</p>

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Some Features of the Functional Activity of Multiwall Carbon Nanotubes in Polymer Nanocomposites

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • N. G. Chechenin,
  • V. A. Kobzev,
  • S. S. Avtorin,
  • E. A. Vorobyeva,
  • A. V. Makunin

摘要

Abstract

The study examines the dependence of the functional activity of multiwall carbon nanotubes (MWCNTs) in polymer nanocomposites (PNCs) on the number of layers and the concentration of MWCNTs in the polymer matrix. The analysis shows that the functional activity decreases inversely proportionally to the number of MWCNT layers. An increase in the concentration of MWCNTs in the polymer matrix is accompanied, on the one hand, by an increase in the functional activity of MWCNTs due to the increase in total active surface area, and on the other, by a decrease in it due to the reduction in the specific active volume of the polymer matrix. This leads to a peak-shaped dependence of the functional activity of MWCNTs on their concentration in the polymer, which is confirmed by experimental data on the impact resistance of polymer MWCNT-composites.