Abstract
Raman and IR spectroscopy were used to examine polyvinyl alcohol (PVA) thermally treated in air or vacuum. It was found that after several hours of treatment in air at 470 K bands in Raman spectrum disappear. After vacuum treatment some bands disappear and other become stronger, and slightly change their positions. Such a phenomenon is attributed to the increase of molecular polarizability along polymer chain caused by conjugation.
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Original Russian Text © I.Yu. Prosanov, A.A. Matvienko, 2010, published in Fizika Tverdogo Tela, 2010, Vol. 52, No. 10, pp. 2056–2059.
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Prosanov, I.Y., Matvienko, A.A. Study of PVA thermal destruction by means of IR and Raman spectroscopy. Phys. Solid State 52, 2203–2206 (2010). https://doi.org/10.1134/S1063783410100318
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DOI: https://doi.org/10.1134/S1063783410100318