Improved packaging performance of olive tree-based biochar-loaded poly(lactic acid) films

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dc.authoridNigiz, Filiz Uğur / 0000-0003-0509-8425
dc.contributor.authorNigiz, Filiz Uğur
dc.contributor.authorÖzyörü, Z.İ.
dc.contributor.authorBalcı, S.
dc.date.accessioned2025-05-29T02:54:09Z
dc.date.available2025-05-29T02:54:09Z
dc.date.issued2024
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractPetroleum-containing packaging materials have created serious ecological problems for the environment due to their resistance to biological degradation. In this context, the use of biodegradable films as alternative to packaging materials is gaining importance. Among various biopolymers, poly(lactide) (PLA) is an effective and durable material. However, the mechanical strength of PLA polymer is low. In addition, its vapor permeability is high, which limits the use of this material. Biochar (BC) is an additive that can be produced from many wastes and acts as a fertilizer in the soil. Adding it to the PLA material makes the packaging film completely compostable and improves its properties. In this study, biochar was synthesized from olive pruning waste by the slow pyrolysis method. Biochar was added to the PLA films in different ratios (5, 10, 15, 20 wt.%). The packaging properties of the films were investigated. Specific surface area (BET), biochar yield, and ash content, as well as tensile strength, swelling, water vapor permeability, and opacity of the films were determined. Owing to the high lignin rate and low volatile matter in the olive branch, biochar was produced with a yield of 29.75%. When the BC concentrations of the films increased, the water vapor permeability capacity gradually decreased from 4.43% to 1.36%. The maximum tensile strength value was obtained as 14.91 MPa for 5 wt.% biochar-loaded PLA films. © 2024 Bulgarian Academy of Sciences, Union of Chemists in Bulgaria.
dc.description.sponsorshipÇanakkale Onsekiz Mart Üniversitesi, ÇOMÜ, (FBA-2023-4345)
dc.identifier.doi10.34049/bcc.56.3.FUN-M
dc.identifier.endpage357
dc.identifier.issn0861-9808
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85214291669
dc.identifier.scopusqualityQ4
dc.identifier.startpage352
dc.identifier.urihttps://doi.org/10.34049/bcc.56.3.FUN-M
dc.identifier.urihttps://hdl.handle.net/20.500.12428/29965
dc.identifier.volume56
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherBulgarska Akademiya na Naukite
dc.relation.ispartofBulgarian Chemical Communications
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_Scopus_20250529
dc.subjectbiochar
dc.subjectcomposite films
dc.subjectpolylactic acid packaging
dc.titleImproved packaging performance of olive tree-based biochar-loaded poly(lactic acid) films
dc.typeArticle

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