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Susceptibility to Degradation in Soil of Branched Polyesterurethane Blends with Polylactide and Starch
Abstract
A very important method of reducing the amount of polymer waste in the environment is the introduction to the market of polymers susceptible to degradation under the influence of environmental factors. This paper presents the results of testing the susceptibility to degradation in soil of branched polyesterurethane (PUR) based on poly([R,S]-3-hydroxybutyrate) (R,S-PHB), modified with poly([D,L]-lactide) (PLA) and starch (St). Weight losses of samples and changes in surface morphology (SEM, OM and contact angle system) with simultaneously only slight changes in molecular weight (GPC), chemical structure (FTIR and 1HNMR) and thermal properties (DSC) indicate that these materials are subject to enzymatic degradation caused by the presence of microorganisms in the soil. Chemical modification of branched polyesterurethanes with R,S-PHB and their physical blending
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Authors (7)
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Joanna Brzeska
- Department of Industrial Product Quality and Chemistry, Gdynia Maritime University
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Grzegorz Jasik
- Non-Food and Packaging Laboratory, J.S. Hamilton Poland Sp. z o.o
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Wanda Sikorska
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences
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Barbara Mendrek
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences
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Marek Kowalczuk
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences
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Maria Rutkowska
- Department of Industrial Product Quality and Chemistry, Gdynia Maritime University
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/polym14102086
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Polymers
no. 14,
ISSN: 2073-4360 - Language:
- English
- Publication year:
- 2022
- Bibliographic description:
- Brzeska J., Jasik G., Sikorska W., Mendrek B., Karczewski J., Kowalczuk M., Rutkowska M.: Susceptibility to Degradation in Soil of Branched Polyesterurethane Blends with Polylactide and Starch// Polymers -Vol. 14,iss. 10 (2022), s.2086-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/polym14102086
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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