Thermal decomposition behavior of oligo(4-hydroxyquinoline)

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dc.contributor.authorDogan, Fatih
dc.date.accessioned2025-01-27T20:44:01Z
dc.date.available2025-01-27T20:44:01Z
dc.date.issued2014
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn this study, the kinetic parameters and reaction mechanism of decomposition process of oligo(4-hydroxyquinoline) synthesized by oxidative polymerization were investigated by thermogravimetric analysis (TGA) at different heating rates. TGA-derivative thermogravimetric analysis curves showed that the thermal decomposition occurred in two stages. The methods based on multiple heating rates such as Kissinger, Kim-Park, Tang, Flynn-Wall-Ozawa method (FWO), Friedman, and Kissinger-Akahira-Sunose (KAS) were used to calculate the kinetic parameters related to each decomposition stage of oligo(4-hydroxyquinoline). The activation energies obtained by Kissinger, Kim-Park, Tang, KAS, FWO, and Friedman methods were found to be 153.80, 153.89, 153.06, 152.62, 151.25, and 157.14 kJ mol(-1) for the dehydration stage, 124.7, 124.71, 126.14, 123.75, 126.19, and 124.05 kJ mol(-1) for the thermal decomposition stage, respectively, in the conversion range studied. The decomposition mechanism and pre-exponential factor of each decomposition stage were also determined using Coats-Redfern, van Krevelen, Horowitz-Metzger methods, and master plots. The analysis of the master plots and methods based on single heating rate showed that the mechanisms of dehydration and decomposition stage of oligo(4-hydroxyquinoline) were best described by kinetic equations of A(n) mechanism (nucleation and growth, n = 1) and D-n mechanism (dimensional diffusion, n = 6), respectively. POLYM. ENG. SCI., 54:992-1002, 2014. (c) 2013 Society of Plastics Engineers
dc.description.sponsorshipTUBITAK Grants Commission [TBAG-109T914]
dc.description.sponsorshipContract grant sponsor: TUBITAK Grants Commission; contract grant number: TBAG-109T914.
dc.identifier.doi10.1002/pen.23639
dc.identifier.endpage1002
dc.identifier.issn0032-3888
dc.identifier.issn1548-2634
dc.identifier.issue5
dc.identifier.scopus2-s2.0-84899438015
dc.identifier.scopusqualityQ2
dc.identifier.startpage992
dc.identifier.urihttps://doi.org/10.1002/pen.23639
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24452
dc.identifier.volume54
dc.identifier.wosWOS:000334396600002
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofPolymer Engineering and Science
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectMaster Plots
dc.subjectDegradation
dc.subjectPoly(Quinoline)S
dc.subjectDehydration
dc.subjectCopolymers
dc.subjectKinetics
dc.titleThermal decomposition behavior of oligo(4-hydroxyquinoline)
dc.typeArticle

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