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Article

Effects of Poloxamer Content and Storage Time of Biodegradable Starch-Chitosan Films on Its Thermal, Structural, Mechanical, and Morphological Properties

by
Abril Fonseca-García
1,2,
Carolina Caicedo
3,
Enrique Javier Jiménez-Regalado
1,
Graciela Morales
1 and
Rocio Yaneli Aguirre-Loredo
1,2,*
1
Centro de Investigación en Química Aplicada (CIQA), Blvd. Enrique Reyna Hermosillo 140, Saltillo, Coahuila 25294, Mexico
2
CONACYT-CIQA, Blvd. Enrique Reyna Hermosillo 140, Saltillo, Coahuila 25294, Mexico
3
Grupo de Investigación en Química y Biotecnología (QUIBIO), Facultad de Ciencias Básicas, Universidad Santiago de Cali, Pampalinda, Santiago de Cali 760035, Colombia
*
Author to whom correspondence should be addressed.
Polymers 2021, 13(14), 2341; https://doi.org/10.3390/polym13142341
Submission received: 25 June 2021 / Revised: 10 July 2021 / Accepted: 10 July 2021 / Published: 17 July 2021
(This article belongs to the Special Issue Advances in Biocompatible and Biodegradable Polymers)

Abstract

Biodegradable packaging prepared from starch is an alternative to fossil-based plastic packaging. However, the properties of starch packaging do not comply with the necessary physicochemical properties to preserve food. Hence, in a previous study, we reported the preparation of a composite polymer material based on starch-chitosan-pluronic F127 that was found to be an adequate alternative packaging material. In this study, we modified the physicochemical properties of this material by storing it for 16 months under ambient conditions. The results indicate that the incorporation of pluronic F127 in the blend polymer can help avoid the retrogradation of starch. Moreover, at higher concentrations of pluronic F127, wettability is reduced. Finally, after storage, the materials exhibited surface modification, which is related to a color change and an increase in solubility, as well as a slight increase in stiffness.
Keywords: biodegradable packaging; biopolymer; starch; storage conditions; thermal properties; physicochemical properties biodegradable packaging; biopolymer; starch; storage conditions; thermal properties; physicochemical properties
Graphical Abstract

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MDPI and ACS Style

Fonseca-García, A.; Caicedo, C.; Jiménez-Regalado, E.J.; Morales, G.; Aguirre-Loredo, R.Y. Effects of Poloxamer Content and Storage Time of Biodegradable Starch-Chitosan Films on Its Thermal, Structural, Mechanical, and Morphological Properties. Polymers 2021, 13, 2341. https://doi.org/10.3390/polym13142341

AMA Style

Fonseca-García A, Caicedo C, Jiménez-Regalado EJ, Morales G, Aguirre-Loredo RY. Effects of Poloxamer Content and Storage Time of Biodegradable Starch-Chitosan Films on Its Thermal, Structural, Mechanical, and Morphological Properties. Polymers. 2021; 13(14):2341. https://doi.org/10.3390/polym13142341

Chicago/Turabian Style

Fonseca-García, Abril, Carolina Caicedo, Enrique Javier Jiménez-Regalado, Graciela Morales, and Rocio Yaneli Aguirre-Loredo. 2021. "Effects of Poloxamer Content and Storage Time of Biodegradable Starch-Chitosan Films on Its Thermal, Structural, Mechanical, and Morphological Properties" Polymers 13, no. 14: 2341. https://doi.org/10.3390/polym13142341

APA Style

Fonseca-García, A., Caicedo, C., Jiménez-Regalado, E. J., Morales, G., & Aguirre-Loredo, R. Y. (2021). Effects of Poloxamer Content and Storage Time of Biodegradable Starch-Chitosan Films on Its Thermal, Structural, Mechanical, and Morphological Properties. Polymers, 13(14), 2341. https://doi.org/10.3390/polym13142341

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