Molecular and Free Radical Products of Reactions of Nitrogen Dioxide with Polyvinylpyrrolidone

The mechanism of reactions of nitrogen dioxide with polyvinylpyrrolidone at 295-363 K has been considered. The nature of the molecular and free radical products of reactions has been studied by UV and ESR spectroscopy. The main molecular products are nitrites and nitrozoamides. The formation of stab...

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Bibliographic Details
Published inInternational journal of polymeric materials Vol. 46; no. 1-2; pp. 107 - 120
Main Authors Davydov, E. Ya, Pustoshnyi, V. P., Pariyskii, G. B., Zaikov, G. E.
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 01.06.2000
Subjects
free radicals
nitrogen dioxide
Polyvinylpyrrolidone
reaction mechanism
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Summary:The mechanism of reactions of nitrogen dioxide with polyvinylpyrrolidone at 295-363 K has been considered. The nature of the molecular and free radical products of reactions has been studied by UV and ESR spectroscopy. The main molecular products are nitrites and nitrozoamides. The formation of stable acylalkylnitroxyl and iminoxyl radicals was registered. The influence of the structural-physical modification of the polymer at filling by aerosil has been established on kinetics of the formation of radicals.
ISSN:0091-4037
1563-535X
DOI:10.1080/00914030008054845