Effect of a Finely Dispersed Filler on the Relaxation Behavior of a Latex Polymer

The effect of finely dispersed iron powder on the relaxation behavior of highly elastic acrylate latex polymers was studied by dynamic mechanical relaxation spectroscopy. The introduction of a filler led to a decrease in the intensity of the maximum of dissipative losses of α relaxation and in the m...

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Bibliographic Details
Published in:Theoretical foundations of chemical engineering 2019-05, Vol.53 (3), p.346-354
Main Authors: Aslamazova, T. R., Kotenev, V. A., Lomovskaya, N. Yu, Lomovskoi, V. A., Tsivadze, A. Yu
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Dispersion
Industrial Chemistry/Chemical Engineering
Internal friction
Latex
Spectrum analysis
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Summary:The effect of finely dispersed iron powder on the relaxation behavior of highly elastic acrylate latex polymers was studied by dynamic mechanical relaxation spectroscopy. The introduction of a filler led to a decrease in the intensity of the maximum of dissipative losses of α relaxation and in the modulus defect of the polymer and to dissipative losses of β relaxation. Special attention was paid to relaxation effects at negative temperatures, which showed themselves as local dissipative processes of μ relaxation in the spectra of internal friction and on the temperature dependences of frequency.
ISSN:0040-5795
1608-3431
DOI:10.1134/S0040579519030023