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Binary Polymer Systems Based on Polyvinylbutyral: FTIR Spectra, Conformational Dynamics, and Free Volume

  • Proceedings of the XII International Scientific School-Seminar “Fundamental Research and Innovation: Nanooptics, Photonics, and Coherent Spectroscopy”
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

Local molecular dynamics of polymer systems based on polyvinylbutyral is studied via the IR Fourier spectroscopy of conformation-inhomogeneous probes. The compositions of the studied binary mixtures of polyvinylbutyral with polymethylmethacrylate are 80: 20, 60: 40, 40: 60, and 20: 80. The temperatures of the secondary relaxation transitions and the difference between the enthalpies of conformation of the probe molecules in these systems are obtained. The effective sizes of mobile free-volume elements, the diffusion of which results in the transport of small molecules upon membrane gas separation, are estimated.

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Authors and Affiliations

  1. Kazan Federal University, Kazan, 420008, Russia

    D. I. Kamalova, S. N. Naumova & L. R. Abdrazakova

Authors
  1. D. I. Kamalova
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  2. S. N. Naumova
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  3. L. R. Abdrazakova
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Corresponding author

Correspondence to D. I. Kamalova.

Additional information

Original Russian Text © D.I. Kamalova, S.N. Naumova, L.R. Abdrazakova, 2018, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2018, Vol. 82, No. 8, pp. 1163–1166.

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Kamalova, D.I., Naumova, S.N. & Abdrazakova, L.R. Binary Polymer Systems Based on Polyvinylbutyral: FTIR Spectra, Conformational Dynamics, and Free Volume. Bull. Russ. Acad. Sci. Phys. 82, 1057–1061 (2018). https://doi.org/10.3103/S106287381808018X

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  • DOI: https://doi.org/10.3103/S106287381808018X

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