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Dynamic thermogravimetric degradation of gamma radiolytically synthesized Ag-PVA nanocomposites

dc.creatorKrklješ, Aleksandra N.
dc.creatorMarinović-Cincović, Milena
dc.creatorKačarević-Popović, Zorica M.
dc.creatorNedeljković, Jovan
dc.date.accessioned2018-03-01T20:10:30Z
dc.date.available2018-03-01T20:10:30Z
dc.date.issued2007
dc.identifier.issn0040-6031
dc.identifier.urihttps://vinar.vin.bg.ac.rs/handle/123456789/3269
dc.description.abstractThe degradation kinetics of gamma radiolytically synthesized Ag-PVA nanocomposites was investigated by thermogravimetric method under dynamic conditions (30-600 degrees C) in an inert atmosphere. Thermogravimetric analysis showed that thermal degradation of composites was a two-stage process for the lower amount of nanofiller and single-stage for the higher amount of nanotiller. The Vyazovkin model-free kinetics method was applied to calculate the activation energy (E-a) of the degradation process as a function of conversion and temperature. At a given degradation temperature, PVA as a host in nanocomposite presents lower reaction velocity, while its E-a is higher than that of pure PVA. (c) 2007 Elsevier B. V. All rights reserved.en
dc.rightsrestrictedAccessen
dc.sourceThermochimica Actaen
dc.subjectAg-PVA nanocompositesen
dc.subjectgamma irradiationen
dc.subjectdynamic thermogravimetric analysisen
dc.subjectmodel-free kineticsen
dc.titleDynamic thermogravimetric degradation of gamma radiolytically synthesized Ag-PVA nanocompositesen
dc.typearticleen
dcterms.abstractКркљес, A. Н.; Мариновић-Цинцовић Милена; Качаревић-Поповић Зорица М; Недељковић Јован;
dc.citation.volume460
dc.citation.issue1-2
dc.citation.spage28
dc.citation.epage34
dc.identifier.wos000248784300005
dc.identifier.doi10.1016/j.tca.2007.05.015
dc.citation.rankM23
dc.identifier.scopus2-s2.0-34447292585


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