<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The research deals with biodegradation of films prepared from polyvinylpyrrolidone and polylactic acid (PVP/PLA). Biodegradation of PVP/PLA films was supported by the following additives: 1-methyl-2-pyrrolidone, 1-octyl-2-pyrrolidone, acrylamide and N-acetyl-L-phenylalanine according to the previous study. The films were prepared by a solvent casting technique. Biodegradation was observed using the respirometric method in different environments. The films subjected to biodegradation were analyzed by scanning electron microscopy and Fourier transform infrared spectroscopy. It was found that the films are substantially degraded, but not in the biological way; PVP was quickly removed in presence of water because of its easy solubility. In contrast, this fact could support biodegradation of PLA, which becomes more available for microorganisms when PVP leaves PLA matrix.</p></abstract>

The research deals with biodegradation of films prepared from polyvinylpyrrolidone and polylactic acid (PVP/PLA). Biodegradation of PVP/PLA films was supported by the following additives: 1-methyl-2-pyrrolidone, 1-octyl-2-pyrrolidone, acrylamide and N-acetyl-L-phenylalanine according to the previous study. The films were prepared by a solvent casting technique. Biodegradation was observed using the respirometric method in different environments. The films subjected to biodegradation were analyzed by scanning electron microscopy and Fourier transform infrared spectroscopy. It was found that the films are substantially degraded, but not in the biological way; PVP was quickly removed in presence of water because of its easy solubility. In contrast, this fact could support biodegradation of PLA, which becomes more available for microorganisms when PVP leaves PLA matrix.

PVP Based Materials: Biodegradation in Different Environments

Ecological Chemistry and Engineering S

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"PVP Based Materials: Biodegradation in Different Environments"}

The research deals with biodegradation of films prepared from polyvinylpyrrolidone and polylactic acid (PVP/PLA). Biodegradation of PVP/PLA films was supported...

PVP Based Materials: Biodegradation in Different Environments

Pubblicato online: 13 lug 2017

Pagine: 299 - 309

DOI: https://doi.org/10.1515/eces-2017-0021

Parole chiave
polyvinylpyrrolidone, polylactic acid, biodegradation, soil, activated sludge water, digested sludge

© by Marketa Julinova

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

PVP Based Materials: Biodegradation in Different Environments

Pubblicato online: 13 lug 2017

Pagine: 299 - 309

DOI: https://doi.org/10.1515/eces-2017-0021

Parole chiavepolyvinylpyrrolidone, polylactic acid, biodegradation, soil, activated sludge water, digested sludge

© by Marketa Julinova

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Parole chiave
polyvinylpyrrolidone, polylactic acid, biodegradation, soil, activated sludge water, digested sludge