Effect of silane-modification of diatomite on its composites with thermoplastic polyurethane

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dc.authoridKanbur, Yasin/0000-0003-3996-458X
dc.contributor.authorKucuk, Fatma
dc.contributor.authorSismanoglu, Sedef
dc.contributor.authorKanbur, Yasin
dc.contributor.authorTayfun, Umit
dc.date.accessioned2024-09-29T15:57:51Z
dc.date.available2024-09-29T15:57:51Z
dc.date.issued2020
dc.departmentKarabük Üniversitesien_US
dc.description.abstractDiatomite (KG) surface was modified by four different silane coupling agents having amino, epoxy, triamine and octyl functional groups for enhancement of interfacial adhesion between thermoplastic polyurethane (TPU) and diatomite. EDX and FTIR spectroscopy techniques were used to evaluate the surface functionalities of modified and neat KG samples. TPU/KG composites were fabricated using melt-compounding process. Mechanical, thermo-mechanical, thermal, melt-flow and morphological properties of composites were reported. Mechanical tests revealed that tensile strength and hardness of TPU extended to higher levels while its flexibility was retained after KG additions. Epoxy-silane modified KG exhibited the highest results in the case of mechanical properties. Glass transition temperature of TPU shifted to higher values by the additions of modified KG. Thermal stability of TPU raised by KG inclusions regardless of modification type. Modified KG containing composites yield lower MFI values with respect to neat KG. Enhancement of interfacial adhesion between TPU and KG phases was confirmed by SEM micrographs of composites in which silane-modified KG surfaces were covered by TPU matrix. Silane modifiers involving amine and epoxy groups led to significant improvement in properties of KG-filled TPU composites. Epoxy-based silane displayed the highest performances thanks to strong interfacial interactions between epoxy functional group and isocyanate segment of TPU.en_US
dc.description.sponsorshipKarabuk University Coordinatorship of Research Projects [KBUBAP-18-YD-071]en_US
dc.description.sponsorshipThis work is supported by Karabuk University Coordinatorship of Research Projects with the project number KBUBAP-18-YD-071.en_US
dc.identifier.doi10.1016/j.matchemphys.2020.123683
dc.identifier.issn0254-0584
dc.identifier.issn1879-3312
dc.identifier.scopus2-s2.0-85089898062en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.matchemphys.2020.123683
dc.identifier.urihttps://hdl.handle.net/20.500.14619/5037
dc.identifier.volume256en_US
dc.identifier.wosWOS:000582701400056en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Saen_US
dc.relation.ispartofMaterials Chemistry and Physicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDiatomiteen_US
dc.subjectThermoplastic polyurethaneen_US
dc.subjectSilanizationen_US
dc.subjectMelt mixingen_US
dc.subjectSurface modificationen_US
dc.titleEffect of silane-modification of diatomite on its composites with thermoplastic polyurethaneen_US
dc.typeArticleen_US

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