Investigation of the Effect of L-Glutamic Acid Content on the Biodegradation of Poly(Vinyl Alcohol) Membranes and Poly(Vinyl Alcohol) Foamed with Poly(Ethylene Glycol)
Main Article Content
Abstract
The study aims to evaluate the influence of L-glutamic acid content on the degradation of modified PVA materials and PEG-porous modified PVA materials, based on previous research, was investigated. To assess the biodegradation, measurements such as mass analysis were employed to evaluate the weight loss of the materials. In addition, SEM was utilized to analyze the morphological changes, and FT-IR spectroscopy was applied to monitor the variations in functional groups. The results showed that the PVA-c-Glu material was degraded by 24-32% after 150 days. For the PVA-c-Glu/PEG material, the mass loss ranged from
approximately 25-46% after 150 days due to the addition of pores. Based on the SEM observations, significant surface changes were detected, which were attributed to microbial colonization forming clusters on the material surface. Moreover, the FT-IR results indicated that the signals corresponding to functional groups were attenuated after degradation.
Keywords
PVA, L-glutamic acid, porous polymer, biodegradation
Article Details
References
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https://doi.org/10.1016/j.matpr.2020.09.564
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https://doi.org/10.3390/polym16152141
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formulations of polyhydroxybutyrate films in soil, SpringerPlus, vol. 5, pp. 1-12, Jun. 2016, Art. no. 762.
https://doi.org/10.1186/s40064-016-2480-2
[22] Polina M. Tyubaeva, Ivetta A. Varyan, Kristina G. Gasparyan, Roman R. Romanov, Alexander S. Pozdnyakov, Egor S. Morokov, Evgeny A. Kolesnikov, Vyacheslav V. Podmasterev, and Anatoly A. Popov, Influence of the ozone treatment on the environmental degradation of poly-3-hydroxybutyrate, International Journal of Biological Macromolecules, vol. 306, May 2025, Art. no. 141474.
https://doi.org/10.1016/j.ijbiomac.2025.141474
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https://doi.org/10.1016/j.biteb.2023.101719