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Article

Processability and Mechanical Properties of Thermoplastic Polylactide/Polyhydroxybutyrate (PLA/PHB) Bioblends

1
Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, ul. Stefanowskiego 12/16, 90-924 Lodz, Poland
2
Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeże Wyspianskiego 27, 50-370 Wroclaw, Poland
3
Institute of Polymer Materials, Leibniz Institute of Polymer Research Dresden, Hohe Str. 6, D-01069 Dresden, Germany
*
Author to whom correspondence should be addressed.
Academic Editors: Valentina Beghetto and Anthony Waas
Materials 2021, 14(4), 898; https://doi.org/10.3390/ma14040898
Received: 22 December 2020 / Revised: 1 February 2021 / Accepted: 8 February 2021 / Published: 14 February 2021
(This article belongs to the Special Issue Environmentally Sustainable Solutions to Polymeric Waste Materials)
This work considers the application of eco-friendly, biodegradable materials based on polylactide (PLA) and polyhydroxybutyrate (PHB), instead of conventional polymeric materials, in order to prevent further environmental endangerment by accumulation of synthetic petro-materials. This new approach to the topic is focused on analyzing the processing properties of blends without incorporating any additives that could have a harmful impact on human organisms, including the endocrine system. The main aim of the research was to find the best PLA/PHB ratio to obtain materials with desirable mechanical, processing and application properties. Therefore, two-component polymer blends were prepared by mixing different mass ratios of PLA and PHB (100/0, 50/10, 50/20, 40/30, 50/50, 30/40, 20/50, 10/50 and 0/100 mass ratio) using an extrusion process. The prepared blends were analyzed in terms of thermal and mechanical properties as well as miscibility and surface characteristics. Taking into account the test results, the PLA/PHB blend with a 50/10 ratio turned out to be most suitable in terms of mechanical and processing properties. This blend has the potential to become a bio-based and simultaneously biodegradable material safe for human health dedicated for the packaging industry. View Full-Text
Keywords: polylactide; polyhydroxybutyrate; blend; bioplastic polylactide; polyhydroxybutyrate; blend; bioplastic
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MDPI and ACS Style

Olejnik, O.; Masek, A.; Zawadziłło, J. Processability and Mechanical Properties of Thermoplastic Polylactide/Polyhydroxybutyrate (PLA/PHB) Bioblends. Materials 2021, 14, 898. https://doi.org/10.3390/ma14040898

AMA Style

Olejnik O, Masek A, Zawadziłło J. Processability and Mechanical Properties of Thermoplastic Polylactide/Polyhydroxybutyrate (PLA/PHB) Bioblends. Materials. 2021; 14(4):898. https://doi.org/10.3390/ma14040898

Chicago/Turabian Style

Olejnik, Olga, Anna Masek, and Jakub Zawadziłło. 2021. "Processability and Mechanical Properties of Thermoplastic Polylactide/Polyhydroxybutyrate (PLA/PHB) Bioblends" Materials 14, no. 4: 898. https://doi.org/10.3390/ma14040898

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