Polylactic acid/akermanite biocomposite films for food packaging applications

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dc.authorid0000-0002-6685-5656
dc.authorid0000-0002-4101-6960
dc.authorid0000-0003-4114-7044
dc.contributor.authorYilmaz Dogan, Hazal
dc.contributor.authorTerzioglu, Pinar
dc.contributor.authorDuman, Seyma
dc.date.accessioned2026-02-08T15:14:58Z
dc.date.available2026-02-08T15:14:58Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThis study investigated the incorporation of akermanite into a polylactic acid (PLA) matrix using the solution casting method, with akermanite ratios ranging from 0.05% to 2% w/w. To facilitate even distribution of akermanite, 5 wt% triacetin was used as a plasticizer. The resultant PLA/akermanite composite films were evaluated and compared against neat PLA and plasticized PLA films in terms of color, optical, physical, mechanical, thermal and structural properties. Fourier-transform infrared spectroscopy (FT-IR) revealed structural formations attributed to the added plasticizers and akermanite in the PLA matrix. The films containing akermanite showed reduced transparency compared to neat PLA. Differential Scanning Calorimetry (DSC) results indicated an enhancement in crystallinity with the addition of akermanite to the PLA matrix, which suggests improved thermal properties. Mechanical testing showed that the inclusion of triacetin decreased the tensile strength of the PLA films from 31.01 MPa to 29.19 MPa, while the Young's modulus increased from 1.23 GPa to 1.33 GPa. The elongation at break also improved significantly, rising from 5.60% to 8.26%. These changes indicate an overall enhancement in the ductility and stiffness of the films. Additionally, the water solubility and moisture content of the composite films decreased, whereas their water absorption increased compared to neat PLA. These results suggest that the PLA/akermanite composites, with altered physical and mechanical properties, have significant potential for use as biocomposite materials in food packaging applications, offering a sustainable alternative with enhanced performance characteristics.
dc.description.sponsorshipCouncil of Higher Education (CoHE) [100/2000]; Scientific and Technological Research Council of Turkey (TUBITAK) [2211-C]
dc.description.sponsorshipThis study is part of the doctoral thesis research of Hazal Yilmaz Dogan at Bursa Technical University, Department of Advanced Technologies-Materials Science and Engineering. One of the authors, Hazal Yilmaz Dogan, is receiving a PhD scholarship in the thematic area of Micro and Nanotechnology through the YOK 100/2000 PhD program, supported by the Council of Higher Education (CoHE). We would like to express our gratitude to the Scientific and Technological Research Council of Turkey (TUBITAK) for their support of Hazal Yilmaz Dogan through the 2211-C priority areas doctoral program scholarship. We would also like to thank IFC Aroma Chemistry Food Industry Inc. for their generous supply of triacetin.
dc.identifier.doi10.1007/s10965-024-04033-0
dc.identifier.issn1022-9760
dc.identifier.issn1572-8935
dc.identifier.issue7
dc.identifier.scopus2-s2.0-85196402234
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1007/s10965-024-04033-0
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5537
dc.identifier.volume31
dc.identifier.wosWOS:001251546300002
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofJournal of Polymer Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzWOS_KA_20260207
dc.subjectAkermanite
dc.subjectCast film
dc.subjectFood packaging
dc.subjectPolylactic acid (PLA)
dc.subjectTriacetin
dc.titlePolylactic acid/akermanite biocomposite films for food packaging applications
dc.typeArticle

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