Thermal and physico-mechanical properties of biodegradable materials based on polyhydroxyalkanoates

Thermal and physico-mechanical properties of polyhydroxyalkanoates of Rhodococcus erythropolis Au-1, Pseudomonas sp. PS-17, Azotobacter vinelandii N-15 and polyhydroxybutyrate/polylactide mixtures were identified. Modifying polyhydroxybutyrate with polylactide improves physical and mechanical charac...

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Published inPolimery Vol. 67; no. 11-12; pp. 561 - 566
Main Authors Semeniuk, Igor, Kochubei, Viktoria, Karpenko, Elena, Melnyk, Yuriy, Skorokhoda, Volodymyr, Semenyuk, Natalia
Format Journal Article
LanguageEnglish
Published 02.01.2023
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Summary:Thermal and physico-mechanical properties of polyhydroxyalkanoates of Rhodococcus erythropolis Au-1, Pseudomonas sp. PS-17, Azotobacter vinelandii N-15 and polyhydroxybutyrate/polylactide mixtures were identified. Modifying polyhydroxybutyrate with polylactide improves physical and mechanical characteristics such as heat resistance, rigidity, and brittleness. An increase in the content of polylactide in mixtures leads to a decrease in the thermal stability of the samples and an increase in relative elongation. Polyhydroxybutyrate/ polylactide mixtures are recommended as packaging materials for food, agricultural, and pharmaceutical products.
ISSN:0032-2725
DOI:10.14314/polimery.2022.11.3