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The Effect of Dispersion of Metal and Metal-Containing Fillers on the Inelasticity of Composite Polymers
Protection of Metals and Physical Chemistry of Surfaces  (IF1.194),  Pub Date : 2021-09-10, DOI: 10.1134/s2070205121040043
Aslamazova, T. R., Kotenev, V. A., Lomovskaya, N. Yu., Lomovskoy, V. A., Tsivadze, A. Yu.

Abstract

An analysis of the effect of dispersion of powders of zinc oxide, metallic zinc, and iron on the inelasticity of the polymer composition was carried out by comparing the temperature–frequency dependences and spectra of internal friction in the region of the glass-transition temperature corresponding to the occurrence of the α-relaxation process. The correlation of the internal friction spectra with the nature of the temperature–frequency dependences obtained using the method of dynamic mechanical relaxation spectroscopy was established. On the basis of experimental data, the regions of inelasticity of the polymer are established and compared, which indicate its decrease with an increase in the dispersion of the filler. The latter can be accompanied by disruption of intermolecular bonds in the polymer and the formation of new relaxation structures in the presence of a filler.