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Title: Characterization of Films Based on Cellulose Acetate/Poly(caprolactone diol) Intended for Active Packaging Prepared by Green Chemistry Principles
Authors: Erceg S.
Vukić, Nevena
Šovljanski, Olja
Stupar A.
Šergelj V.
Acimovic, Milica
Balos S.
Ugarković J.
Šuput, Danijela
Popović, Senka
Rakić, Nataša
Issue Date: 2022
Abstract: Biodegradable active packaging films based on a cellulose acetate and poly(caprolactone diol) blend with incorporated lemongrass oil were developed. Films were prepared using a novel bio-based plasticizer, glycerol tritartarate, synthesized using the principles of green chemistry. The influence of the plasticizer, as well as the essential oil amount, on the structural, surface, mechanical, and thermal properties of the blend was investigated. The plasticizer was shown to work as a compatibilizer for two polymers, according to the results of scanning electron microscopy and surface energy analysis. Blends with a greater amount of plasticizer possessed better mechanical properties but showed worse resistance to water. The antimicrobial property of the blend with lemongrass oil was found to be superior to that of the blend without essential oil. The incorporation of lemongrass oil into the polymer blend resulted in one more step longer thermal degradation process. The optimal film properties, biodegradability, cost-effective preparation method, and additional functions made these films suitable for the production of packaging for grapefruit.
Type: article
DOI: 10.1021/acssuschemeng.2c02009
SCOPUS: 2-s2.0-85135902103
Appears in Collections:Faculty of Technical Sciences, Čačak

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