Abstract—
A nanocomposite based on high-density polyethylene with 13–15 wt % of barium titanate was obtained by the low-temperature synthesis of the inorganic component directly in the mesopores of an oriented polymer matrix using the sol-gel method followed by hydrothermal treatment in an alkaline medium. Crystallization of barium titanate in nanopores was detected by X-ray powder diffraction and electron microscopy to occur mainly in a cubic crystalline modification with an average crystallite size of 16 nm, where crystallites form chain structures. The dielectric properties of the polymer nanocomposite and barium titanate synthesized under similar conditions were comparatively assessed.
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ACKNOWLEDMENTS
We are grateful to A.O. Roenko for her help in atomic force microscopy measurements.
Funding
The work is performed as a part of the Project “Modern Problems of Chemistry and Physical Chemistry of High Molecular Compounds” (State Assignment no. АААА А21-121011990022-4).
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Translated by K. Utegenov
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Trofimchuk, E.S., Moskvina, M.A., Shevchenko, V.G. et al. Low-Temperature Synthesis of Barium Titanate in a Mesoporous Polyethylene Matrix. Inorg. Mater. Appl. Res. 13, 1391–1397 (2022). https://doi.org/10.1134/S2075113322050422
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DOI: https://doi.org/10.1134/S2075113322050422