Polystyrene/Bentonite/Magnetite Film Composites: Structure and Thermal Behavior

Polystyrene/Bentonite/Magnetite Film Composites: Structure and Thermal Behavior

Polystyrene/bentonite/magnetite film composite materials are obtained by mechanical dispersion. The films are characterized by optical microscopy and X-ray diffraction analysis. The thermal behavior is studied by differential scanning calorimetry in a temperature range of 40–140°С. A nonmonotone dep...

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Veröffentlicht in:Protection of metals and physical chemistry of surfaces 2022-08, Vol.58 (4), p.702-706
Hauptverfasser: Alekseeva, O. V., Noskov, A. V., Guseynov, S. S., Agafonov, A. V.
Format: Artikel
Sprache:eng
Schlagworte:
Bentonite
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composite materials
Corrosion and Coatings
Glass transition
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Magnetite
Materials Science
Metallic Materials
Nanoscale and Nanostructured Materials and Coatings
Optical microscopy
Polystyrene resins
Thermodynamic properties
Tribology
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Beschreibung
Zusammenfassung:Polystyrene/bentonite/magnetite film composite materials are obtained by mechanical dispersion. The films are characterized by optical microscopy and X-ray diffraction analysis. The thermal behavior is studied by differential scanning calorimetry in a temperature range of 40–140°С. A nonmonotone dependence of the glass-transition point of the composite on the concentration of the modifying additive is found. An explanation of the obtained experimental results using a configuration entropy model is proposed.
ISSN:2070-2051
2070-206X
DOI:10.1134/S2070205122040050