Utilization of Silybum marianum extract as a high-performance natural antioxidant for polyethylene

dc.authoridDurmus, Ali/0000-0002-5037-1120
dc.contributor.authorPınar, Özlem
dc.contributor.authorKoç, Fatma Ebru
dc.contributor.authorAlanalp, Mine Begüm
dc.contributor.authorSivri, Nurcan
dc.contributor.authorEzdesir, Ayhan
dc.contributor.authorDurmuş, Ali
dc.date.accessioned2024-09-11T19:50:19Z
dc.date.available2024-09-11T19:50:19Z
dc.date.issued2024
dc.departmentİstanbul Gelişim Üniversitesien_US
dc.description.abstractIn this study, Silybum marianum extract powder was introduced into low density polyethylene (LDPE) as a primary polyphenolic antioxidant via melt blending method. Two synthetic and commercial polyphenol- and phosphite-based antioxidants (Irganox (R) 1010 and Irgafos (R) 168) were also used for comparing the antioxidant efficiency and performance of Silybum marianum extract with commercial ones. A systematic formulation study was achieved by varying the amount of Silybum marianum extract in the range of 0.1-1.0 wt% and the primary:secondary antioxidant ratio. Antioxidant efficiency of Silybum marianum extract was quantified with the oxygen induction time (OIT) and oxidation onset temperature values determined by thermal analysis in a differential scanning calorimeter depending on the compositional variations. Some physical properties of specimens such as transparency, color coordinates, contact angle, and degree of crystallinity values were also examined. It was found that 0.2 wt% of Silybum marianum extract and 0.2 wt% of Irgafos (R) 168 loaded sample showed an OIT value of 22 min. at 210 C-degrees that could be regarded as a very successful commercial potential. Increasing amount of Silybum marianum extract and Irgafos (R) 168 significantly improved the oxidation stability of polyethylene under isothermal and non-isothermal conditions. It was also found that introducing Silybum marianum extract, even the loading content of 1.0 wt%, did not alter the transparency and physical properties of LDPE. It has been concluded that Silybum marianum extract can be successfully used as a natural antioxidant in polyolefins and these samples could be used in packaging film applications. [GRAPHICS]en_US
dc.description.sponsorshipIstanbul University Cerrahpascedil;a; SOCAR Turkeyen_US
dc.description.sponsorshipAuthors thank SOCAR Turkey and Aksuvital Natural Products and Food Supplier Co. for supplying the materials used in this study.en_US
dc.identifier.doi10.1007/s10853-024-09420-y
dc.identifier.endpage3741en_US
dc.identifier.issn0022-2461
dc.identifier.issn1573-4803
dc.identifier.issue8en_US
dc.identifier.scopus2-s2.0-85185928241en_US
dc.identifier.startpage3725en_US
dc.identifier.urihttps://doi.org/10.1007/s10853-024-09420-y
dc.identifier.urihttps://hdl.handle.net/11363/7607
dc.identifier.volume59en_US
dc.identifier.wosWOS:001170641500001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of Materials Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmz20240903_Gen_US
dc.titleUtilization of Silybum marianum extract as a high-performance natural antioxidant for polyethyleneen_US
dc.typeArticleen_US

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