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dc.contributor.authorDURMUŞ, ALİ
dc.contributor.authorAlanalp, Mine Begum
dc.contributor.authorÖzdemir, Burcu
dc.contributor.authorNofar, Mohammadreza
dc.date.accessioned2023-02-21T07:42:12Z
dc.date.available2023-02-21T07:42:12Z
dc.identifier.citationAlanalp M. B., Özdemir B., Nofar M., DURMUŞ A., "Isothermal and non-isothermal cold crystallization kinetics of polylactide/cellulose nanocrystal (PLA/CNC) nanocomposites", JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, cilt.147, ss.14211-14227, 2022
dc.identifier.issn1388-6150
dc.identifier.otherav_0b6ade39-1bea-4688-88ce-760b3b99a42c
dc.identifier.othervv_1032021
dc.identifier.urihttp://hdl.handle.net/20.500.12627/186029
dc.identifier.urihttps://doi.org/10.1007/s10973-022-11598-9
dc.description.abstractThe effect of cellulose nanocrystal (CNC) content on the crystallization and melting behaviors of polylactide (PLA)/CNC nanocomposites prepared by solution mixing was investigated. Isothermal and non-isothermal cold crystallization kinetics of specimens were quantified using Ozawa, Avrami, and Liu-Mo methods. Overall and conversion dependent crystallization activation energy values were also determined through the Kissinger and Flynn-Wall-Ozawa equations. It was found that although CNC acted as a nucleating agent for cold crystallization of PLA under isothermal and non-isothermal conditions, it differently affected the crystal growth behavior. Kinetic calculations revealed that the increase in CNC amount decreased the non-isothermal cold crystallization rate of PLA possibly due to the reduced interaction among PLA molecules and formation of strong hydrogen bonding between the carboxyl groups of PLA and CNC surfaces. CNC addition also increased the overall cold crystallization activation energy whereas progress in crystallization yielded a significant reduce in the activation energy. This was because the relative crystallinity and temperature simultaneously increase during cold crystallization under non-isothermal conditions. Avrami analysis implied that CNC addition improved the crystallization rate of PLA possibly following athermal nucleation and two-dimensional discotic growth.
dc.language.isoeng
dc.subjectYüzeyler, Kaplamalar ve Filmler
dc.subjectTERMODİNAMİK
dc.subjectMühendislik
dc.subjectGenel Mühendislik
dc.subjectMühendislik (çeşitli)
dc.subjectFiziksel ve Teorik Kimya
dc.subjectKimya (çeşitli)
dc.subjectGenel Kimya
dc.subjectFiltrasyon ve Ayırma
dc.subjectFizik Bilimleri
dc.subjectKimya
dc.subjectTemel Bilimler (SCI)
dc.subjectKİMYA, FİZİKSEL
dc.subjectAnalitik Kimya
dc.subjectFizikokimya
dc.subjectTemel Bilimler
dc.subjectMühendislik ve Teknoloji
dc.subjectYüzeyler ve Arayüzler
dc.subjectMühendislik, Bilişim ve Teknoloji (ENG)
dc.subjectKİMYA, ANALİTİK
dc.titleIsothermal and non-isothermal cold crystallization kinetics of polylactide/cellulose nanocrystal (PLA/CNC) nanocomposites
dc.typeMakale
dc.relation.journalJOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
dc.contributor.departmentİstanbul Üniversitesi-Cerrahpaşa , ,
dc.identifier.volume147
dc.identifier.startpage14211
dc.identifier.endpage14227
dc.contributor.firstauthorID3456649


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