Low-Temperature Synthesis of Barium Titanate in a Mesoporous Polyethylene Matrix

— 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....

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Bibliographic Details
Published in:Inorganic materials : applied research 2022-10, Vol.13 (5), p.1391-1397
Main Authors: Trofimchuk, E. S., Moskvina, M. A., Shevchenko, V. G., Nikonorova, N. I.
Format: Article
Language:English
Subjects:
Barium titanates
Chemistry
Chemistry and Materials Science
Crystallites
Crystallization
Dielectric properties
High density polyethylenes
Hydrothermal treatment
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Low temperature
Materials Science
Nanocomposites
New Technologies for Obtaining and Processing Materials
Polymers
Sol-gel processes
X ray powder diffraction
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Summary:— 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.
ISSN:2075-1133
2075-115X
DOI:10.1134/S2075113322050422