Abstract
Local dissipative processes of μ-relaxation that occur at negative temperatures in an acrylic latex polymer subjected to freeze–thaw pretreatment are investigated using dynamic mechanical spectroscopy. Temperature ranges in which these processes occur are identified by analyzing the derivatives of the temperature−frequency dependences. The maxima characterizing dissipative μ-relaxation processes, which reflect alterations in the relaxation structure of the polymer resulting from changes in the polymer’s loss modulus, are detected.
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Aslamazova, T.R., Lomovskoi, V.A., Kotenev, V.A. et al. Local Dissipative Relaxation Processes in a Latex Polymer at Negative Temperatures. Prot Met Phys Chem Surf 55, 487–490 (2019). https://doi.org/10.1134/S2070205119030055
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DOI: https://doi.org/10.1134/S2070205119030055