Study of the free volume distribution in the blend of polyvinyl chloride and polyvinyl butyral using FTIR spectroscopy

D. I. Kamalova; Камалова Д. И.; A. D. Zakharova; Захарова А. Д.

doi:10.31857/S0367676523703106

Study of the free volume distribution in the blend of polyvinyl chloride and polyvinyl butyral using FTIR spectroscopy

Authors: Kamalova D.I.¹, Zakharova A.D.¹
Affiliations:
1. Kazan (Volga Region) Federal University
Issue: Vol 87, No 12 (2023)
Pages: 1802-1805
Section: Articles
URL: https://ruspoj.com/0367-6765/article/view/654543
DOI: https://doi.org/10.31857/S0367676523703106
EDN: https://elibrary.ru/QJOQWP
ID: 654543

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Abstract

The local molecular dynamics and the free volume distribution in the blend of polyvinyl chloride and polyvinyl butyral in the ratio 1 : 1 were studied by FTIR spectroscopy. The freezing temperatures of the conformational equilibria of five conformationally inhomogeneous compounds in the blend under study were determined, and the effective sizes of the mobile free volume elements in the blend were determined.

Keywords

FTIR spectroscopy, local molecular dynamics, polyvinyl chloride, polyvinyl butyral, polymer blend

About the authors

D. I. Kamalova

Kazan (Volga Region) Federal University

Author for correspondence.
Email: Dina.Kamalova@kpfu.ru
Russia, 420008, Kazan

A. D. Zakharova

Kazan (Volga Region) Federal University

Email: Dina.Kamalova@kpfu.ru
Russia, 420008, Kazan

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