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Fabrication of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) biocomposites with reinforcement by hydroxyapatite using extrusion processing

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dc.contributor.authorOner, Mualla
dc.contributor.authorIlhan, Berna
dc.contributor.institutionauthorÖNER, Mualla
dc.date.accessioned2026-06-27T13:46:47Z
dc.date.issued2016
dc.description.abstractThe aim of this study was to prepare poly(3-hydroxybutyrate-co-3-hydroxyvalerate), PHBV, biocomposites with incorporating various percentages of hydroxyapatite (HAP) using extrusion processing. The biocomposites were produced by melt extrusion of PHBV with untreated HAP and surface-treated HAP crystals. The structure of bio-polymer/HAP biocomposites was investigated by XRD, FrIR, DSC and SEM. Silane coupling agent was used for HAP surface treatment in PHBV/HAP composites. Silane-treated HAP nanoparticles yielded nanocomposites characterized by good mechanical performance and fine nanofiller dispersion, as shown by SEM investigations. The Halpin-Tsai and Hui-Shia models were used to evaluate the effect of reinforcement by HAP particles on the elastic modulus of the composites. Micromechanical models for initial composite stiffness showed good correlation with experimental values. Disparities in the Halpin-Tsai model were evident for composite with higher HAP loadings. (C) 2016 Elsevier B.V. All rights reserved.en
dc.description.sponsorshipYTU KAP [2013-07-01-KAP05]
dc.description.sponsorshipTUBITAK (The Scientific and Technological Research Council of Turkey)
dc.description.urihttps://doi.org/10.1016/j.msec.2016.04.024
dc.identifier.doi10.1016/j.msec.2016.04.024
dc.identifier.eissn1873-0191
dc.identifier.endpage26
dc.identifier.issn0928-4931
dc.identifier.pubmed27157723
dc.identifier.startpage19
dc.identifier.urihttps://hdl.handle.net/20.500.14981/54721
dc.identifier.volume65
dc.identifier.wos000376833200003
dc.language.isoeng
dc.publisherELSEVIER
dc.relation.ispartofMATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
dc.subjectHydroxyapatite
dc.subjectBionanocomposite
dc.subjectMechanical properties
dc.subjectThermal properties
dc.subjectPoly(3-hydroxybutyrate-co-3-hydroxyvalerate)
dc.subjectMECHANICAL-PROPERTIES
dc.subjectBARRIER PROPERTIES
dc.subjectTHERMAL-PROPERTIES
dc.subjectFIBER COMPOSITES
dc.subjectPOLY(3-HYDROXYBUTYRATE)
dc.subjectPOLYHYDROXYALKANOATES
dc.subjectPOLYHYDROXYBUTYRATE
dc.subjectCRYSTALLIZATION
dc.subjectNANOCOMPOSITES
dc.subjectMORPHOLOGY
dc.subjectMaterials Science
dc.titleFabrication of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) biocomposites with reinforcement by hydroxyapatite using extrusion processing
dc.typeArticle
dspace.entity.typePublication
local.import.sourceWOS

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