Abstract:
A composite based on ultra-high molecular weight polyethylene (UHMWPE) with 1 wt% of multi-walled carbon nanotubes (MWCNTs) with an increased permittivity (ε = 4.5), low dielectric loss (tgδ = 10−2) in the frequency range from 100 Hz to 100 MHz is obtained and its basic mechanical characteristics is studied. The material has a reduced tensile strength of 22MPa, a high elongation at break of 700% and an abrasion resistance of 37% higher than that of pure UHMWPE. Based on the results of X-ray diffraction and differential scanning calorimetry, it was shown that changes in the mechan-ical properties of the composite are due to changes in the structure of the polymer matrix that occur as a result of exposure high-intensity sonication used in the process of introducing MWNTs into polymer.
Citation:
I. A. Markevich, G. E. Selyutin, N. A. Drokin, A. G. Selyutin, “Electrical and mechanical properties of the high-permittivity ultra-high-molecular-weight polyethylene-based composite modified by carbon nanotubes”, Zhurnal Tekhnicheskoi Fiziki, 90:7 (2020), 1151–1158; Tech. Phys., 65:7 (2020), 1106–1113
\Bibitem{MarSelDro20}
\by I.~A.~Markevich, G.~E.~Selyutin, N.~A.~Drokin, A.~G.~Selyutin
\paper Electrical and mechanical properties of the high-permittivity ultra-high-molecular-weight polyethylene-based composite modified by carbon nanotubes
\jour Zhurnal Tekhnicheskoi Fiziki
\yr 2020
\vol 90
\issue 7
\pages 1151--1158
\mathnet{http://mi.mathnet.ru/jtf5260}
\crossref{https://doi.org/10.21883/JTF.2020.07.49450.391-19}
\elib{https://elibrary.ru/item.asp?id=43800625}
\transl
\jour Tech. Phys.
\yr 2020
\vol 65
\issue 7
\pages 1106--1113
\crossref{https://doi.org/10.1134/S1063784220070129}
Linking options:
https://www.mathnet.ru/eng/jtf5260
https://www.mathnet.ru/eng/jtf/v90/i7/p1151
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