Heat resisting and water-soluble chocolate polyesters containing azomethine group

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dc.authoridKaya, İsmet / 0000-0002-9813-2962
dc.authoridTemizkan Özdamar, Kevser / 0000-0001-7740-3252
dc.contributor.authorTemizkan, Kevser
dc.contributor.authorKaya, İsmet
dc.date.accessioned2025-01-27T20:29:16Z
dc.date.available2025-01-27T20:29:16Z
dc.date.issued2017
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.descriptionThis is an open access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. (http://creativecommons.org/licenses/by-nc-nd/3.0/)
dc.description.abstractIn this study, soluble in water poly(azomethine-ester)s (PAEs) were synthesized via elimination reactions of aromatic dihydroxy compounds containing imine bonding with terephthaloyl chloride. The structures of Schiff bases (SBs) and PAEs containing different aliphatic chains were confirmed by FT-IR, H-1-NMR, C-13-NMR and UV-Vis analyses. Physicochemical properties of the new polymers were characterized. Thermal properties of the compounds were investigated by TGA-DTA, DMA and DSC. According to TGA measurements, the starting degradation temperatures (Ton) of P-1, P-2, P-3, and P-4 poly(azomethine-ester) s were found as 255 degrees C, 232 degrees C, 222 degrees C, and 221 degrees C, respectively. The starting degradation temperatures of the poly(azomethine-ester) s were higher than their Schiff base compounds. According to dynamical mechanical analysis (DMA) measurements, glass transition temperature (T-g) of P-1, P-2, P-3, and P-4 poly(azomethine-ester) s were found as 95 degrees C, 138 degrees C, 140 degrees C, and 145 degrees C, respectively. The morphological and topographic properties of the PAEs containing azomethine linkage in the main chain were investigated by FE-SEM and AFM, respectively. The molecular mass distributions of PAEs were determined by gel permeation chromatography (GPC). Electrochemical (E-g(')) and optical band gap (E-g(opt)) values of the prepared SBs and PAEs were calculated from cyclic voltammetry (CV) and UV-Vis analyses. The electrochemical band gap (E-g') values of P-1, P-2, P-3 and P-4 were found as 2.44 eV, 2.41 eV, 2.39 eV and 2.39 eV, respectively, from the cyclic voltammetry.
dc.identifier.doi10.1515/msp-2017-0018
dc.identifier.endpage312
dc.identifier.issn2083-134X
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85061378988
dc.identifier.scopusqualityQ3
dc.identifier.startpage303
dc.identifier.urihttps://doi.org/10.1515/msp-2017-0018
dc.identifier.urihttps://hdl.handle.net/20.500.12428/22890
dc.identifier.volume35
dc.identifier.wosWOS:000410244300005
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherDe Gruyter Open Ltd
dc.relation.ispartofMaterials Science-Poland
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectpoly(azomethine-ester)
dc.subjectSchiff base
dc.subjectwater-soluble
dc.subjectelectrochemical properties
dc.subjectthermal degradation
dc.subjectelimination reactions
dc.titleHeat resisting and water-soluble chocolate polyesters containing azomethine group
dc.typeArticle

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