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A Review of the Effect of Plasticizers on the Physical and Mechanical Properties of Alginate-Based Films.


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Eslami, Zahra; Elkoun, Saïd ORCID logoORCID: https://orcid.org/0000-0003-0501-6872; Robert, Mathieu et Adjalle, Kokou D. ORCID logoORCID: https://orcid.org/0000-0002-0836-6395 (2023). A Review of the Effect of Plasticizers on the Physical and Mechanical Properties of Alginate-Based Films. Molecules , vol. 28 , nº 18. p. 6637. DOI: 10.3390/molecules28186637.

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In recent years, there has been a growing attempt to manipulate various properties of biodegradable materials to use them as alternatives to their synthetic plastic counterparts. Alginate is a polysaccharide extracted from seaweed or soil bacteria that is considered one of the most promising materials for numerous applications. However, alginate potential for various applications is relatively limited due to brittleness, poor mechanical properties, scaling-up difficulties, and high water vapor permeability (WVP). Choosing an appropriate plasticizer can alleviate the situation by providing higher flexibility, workability, processability, and in some cases, higher hydrophobicity. This review paper discusses the main results and developments regarding the effects of various plasticizers on the properties of alginate-based films during the last decades. The plasticizers used for plasticizing alginate were classified into different categories, and their behavior under different concentrations and conditions was studied. Moreover, the drawback effects of plasticizers on the mechanical properties and WVP of the films are discussed. Finally, the role of plasticizers in the improved processing of alginate and the lack of knowledge on some aspects of plasticized alginate films is clarified, and accordingly, some recommendations for more classical studies of the plasticized alginate films in the future are offered.

Type de document: Article
Mots-clés libres: alginate; hydrophilic and hydrophobic plasticizers; plasticization mechanisms; films; physical and mechanical properties; water vapor permeability
Centre: Centre Eau Terre Environnement
Date de dépôt: 07 déc. 2023 20:43
Dernière modification: 07 déc. 2023 20:43
URI: https://espace.inrs.ca/id/eprint/13753

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