Study of the Plasticization Effect of 1-Ethyl-3-methylimidazolium Acetate in TPS/PVA Biodegradable Blends Produced by Melt-Mixing

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Título: Study of the Plasticization Effect of 1-Ethyl-3-methylimidazolium Acetate in TPS/PVA Biodegradable Blends Produced by Melt-Mixing
Autor/es: Castro, Jennifer M. | Montalbán, Mercedes G. | Domene-López, Daniel | Martin-Gullon, Ignacio | García Quesada, Juan Carlos
Grupo/s de investigación o GITE: Residuos, Energía, Medio Ambiente y Nanotecnología (REMAN)
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Ingeniería Química | Universidad de Alicante. Instituto Universitario de Ingeniería de los Procesos Químicos
Palabras clave: Thermoplastic starch/polyvinyl alcohol blend | Ionic liquid | 1-ethyl-3-methylimidazolium acetate | Melt-mixing | Plasticizer
Fecha de publicación: 4-abr-2023
Editor: MDPI
Cita bibliográfica: Castro JM, Montalbán MG, Domene-López D, Martín-Gullón I, García-Quesada JC. Study of the Plasticization Effect of 1-Ethyl-3-methylimidazolium Acetate in TPS/PVA Biodegradable Blends Produced by Melt-Mixing. Polymers. 2023; 15(7):1788. https://doi.org/10.3390/polym15071788
Resumen: The first step towards the production and marketing of bioplastics based on renewable and sustainable materials is to know their behavior at a semi-industrial scale. For this reason, in this work, the properties of thermoplastic starch (TPS)/polyvinyl alcohol (PVA) films plasticized by a green solvent, as the 1-ethyl-3-methylimidazolium acetate ([Emim+][Ac−]) ionic liquid, produced by melt-mixing were studied. These blends were prepared with a different content of [Emim+][Ac−] (27.5–42.5 %wt.) as a unique plasticizer. According to the results, this ionic liquid is an excellent plasticizer due to the transformation of the crystalline structure of the starch to an amorphous state, the increase in flexibility, and the drop in Tg, as the [Emim+][Ac−] amount increases. These findings show that the properties of these biomaterials could be modified in the function of [Emim+][Ac−] content in the formulations of TPS, depending on their final use, thus becoming a functional alternative to conventional polymers.
Patrocinador/es: This work was partially supported by the Spanish Ministry of Science and Ministry of Economy, Industry, and competitiveness (PID2019-108632RB-I00) and Generalitat Valenciana (PROMETEO CIPROM/2021/027). This work was partially supported by the TED2021-130389B-C21 research project, funded by MCIN/AEI/10.13039/501100011033 and by the European Union NextGenerationEU/PRTR.
URI: http://hdl.handle.net/10045/133660
ISSN: 2073-4360
DOI: 10.3390/polym15071788
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Revisión científica: si
Versión del editor: https://doi.org/10.3390/polym15071788
Aparece en las colecciones:INV - REMAN - Artículos de Revistas

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