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The kinetic and thermodynamic analyses of non-isothermal degradation process of acrylonitrile-butadiene and ethylene-propylene-diene rubbers
dc.creator | Marinović-Cincović, Milena | |
dc.creator | Janković, Bojan Ž. | |
dc.creator | Jovanović, Vojislav | |
dc.creator | Samaržija-Jovanović, Suzana | |
dc.creator | Marković, Gordana | |
dc.date.accessioned | 2018-03-01T23:07:14Z | |
dc.date.available | 2018-03-01T23:07:14Z | |
dc.date.issued | 2013 | |
dc.identifier.issn | 1359-8368 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/5284 | |
dc.description.abstract | The non-isothermal degradation processes of acrylonitrile-butadiene and ethylene-propylene-ethylidenenorbornene rubber compounds were investigated with thermogravimetric analysis (TGA) and derivative thermogravimetry (DTG), using the different calculation procedures. It was found that the acrylonitrile-butadiene (NBR) and the ethylene-propylene-diene (EPDM) rubbers degradations represent the complex processes, where there are conversion regions with a constant value of the apparent activation energy (E-a). It was established that NBR and EPDM degradation under nitrogen atmosphere can be described by the one and a half order (n = 3/2) and the first order (n = 1) reaction kinetics, respectively. A linear dependence was observed between lnA and E-a, known as the kinetic compensation effect (KCE). The linear dependence was also established between the change of the entropy Delta S-not equal and E-a, for the formation of the activated complex from the reagents. These dependences are related to assumption that the kinetic mechanisms of the non-isothermal degradation of the NBR and EPDM samples are very similar. (c) 2012 Elsevier Ltd. All rights reserved. | en |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45020/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45022/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172015/RS// | |
dc.rights | restrictedAccess | en |
dc.source | Composites: Part B: Engineering | en |
dc.subject | Polymer-matrix composites (PMCs) | en |
dc.subject | Thermal properties | en |
dc.subject | Numerical analysis | en |
dc.subject | Thermal analysis | en |
dc.subject | Apparent activation energy | en |
dc.title | The kinetic and thermodynamic analyses of non-isothermal degradation process of acrylonitrile-butadiene and ethylene-propylene-diene rubbers | en |
dc.type | article | en |
dcterms.abstract | Јовановиц, Војислав; Јанковиц, Бојан; Мариновић-Цинцовић Милена; Марковиц, Гордана; Самарзија-Јовановиц, Сузана; | |
dc.citation.volume | 45 | |
dc.citation.issue | 1 | |
dc.citation.spage | 321 | |
dc.citation.epage | 332 | |
dc.identifier.wos | 000314193200034 | |
dc.identifier.doi | 10.1016/j.compositesb.2012.08.006 | |
dc.citation.rank | M21a | |
dc.identifier.scopus | 2-s2.0-84869492717 |
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