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Polymer Science, Series A
Published in: Polymer Science, Series A 4/2019

01-07-2019 | POLYMER BLENDS

Local Dissipative Processes in Chitosan–Poly(vinyl alcohol) Composite System

Authors: V. A. Lomovskoi, N. A. Abaturova, N. Yu. Lomovskaya, T. B. Galushko, V. I. Zolotarevskii

Published in: Polymer Science, Series A | Issue 4/2019

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Abstract

Internal friction spectra in a chitosan–poly(vinyl alcohol) system have been recorded and analyzed in a wide temperature range using the method of free damped torsional vibrations. A modulus defect characterizing the mechanical parameters of the system has been determined. It has been shown that the composite material in the form of film differing in the ratio of components represents a heterogeneous (disperse) system, with poly(vinyl alcohol) acting as a dispersion medium at the specific ratio of components. The presence of two glass transition peaks on the temperature dependence λ = f(Т) due to dissipative processes of individual components of the mixed film has been demonstrated.
previous article Analysis of the Structure of Ultrafine Fibers Based on Poly(3-hydroxybutyrate) and Polylactide: Effect of External Factors
next article The Influence of Planar Orientation on Mechanical Properties of Filled Poly(butylene succinate)

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Metadata
Title
Local Dissipative Processes in Chitosan–Poly(vinyl alcohol) Composite System
Authors
V. A. Lomovskoi
N. A. Abaturova
N. Yu. Lomovskaya
T. B. Galushko
V. I. Zolotarevskii
Publication date
01-07-2019
Publisher
Pleiades Publishing
Published in
Polymer Science, Series A / Issue 4/2019
Print ISSN: 0965-545X
Electronic ISSN: 1555-6107
DOI
https://doi.org/10.1134/S0965545X19040114

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