Degradability of Polylactide in Natural Aqueous Environments

This study aims to estimate the degradation process of polylactide (PLA) in natural aqueous environments. The biological degradation of PLA took place in the Baltic Sea and in the natural pond over a period of 1 to 16 months. The characteristic abiotic parameters of both environments were monitored...

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Bibliographic Details
Published in:Water (Basel) 2023-01, Vol.15 (1), p.198
Main Authors: Krasowska, Katarzyna, Heimowska, Aleksandra
Format: Article
Language:English
Subjects:
Aqueous environments
Baltic Sea
Biodegradation
Biofilms
chemical structure
Degradability
Environmental degradation
Enzymes
Investigations
Laboratories
Mechanical properties
Microorganisms
Plastic pollution
Polylactic acid
Polymers
Seawater
Spectrum analysis
water
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Summary:This study aims to estimate the degradation process of polylactide (PLA) in natural aqueous environments. The biological degradation of PLA took place in the Baltic Sea and in the natural pond over a period of 1 to 16 months. The characteristic abiotic parameters of both environments were monitored during incubation time, and their influence on the PLA degradation was discussed. The changes in weight, chemical structure, mechanical properties and surface morphology of investigated samples were also tested during incubation. The obtained results indicate that polylactide is not very susceptible to an enzymatic attack of microorganisms present in natural aqueous environments.
ISSN:2073-4441
2073-4441
DOI:10.3390/w15010198