New Biodegradable Materials for Re-Thought Packaging from Pre-Consumer Wastes by Controlling the Storage Time as Method to Increase the Mechanical Recycling Efficiency
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Published:2023-02-10
Issue:4
Volume:16
Page:1503
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ISSN:1996-1944
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Container-title:Materials
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language:en
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Short-container-title:Materials
Author:
Dimonie Doina12ORCID, Dragne Mihail123, Trica Bogdan2ORCID, Nicolae Cristian-Andi2, Raduly Monica2ORCID, Doncea Sanda2, Ladaniuc Magda2, Mustatea Alina123, Miu Florentina3, Soare Laurentiu3, Georgescu Tudor3
Affiliation:
1. Chemical Engineering and Biotechnologies Faculty’ Doctoral School, University Politehnica of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania 2. National Institute for Research and Development in Chemistry and Petrochemistry, 202 Splaiul Independentei Street, 060021 Bucharest, Romania 3. PROMATERIS SA, Bucharest-Targoviste Street, No.1, 070000 Buftea, Romania
Abstract
The influence of storage conditions on the mechanical recycling of pre-consumer waste (PRE-CW) from the manufacture of multilayer packaging films starting from starch compounds using a renewable-based polymer with PCL and PBAT, which are biodegradable conventional-based polyesters, was studied. It was found that, unlike materials based on conventional-origin polymers that accumulate in the environment for hundreds of years, the studied compounds degraded, even in the solid state, duringstorage in unventilated spaces and during the rainy hot summers with alternatingheat and rain. The degradation of the mechanically recycled compounds obtained from PRE-CW stored in such conditions was highlighted by the comparative analysis with the primary compounds, which proved the following: specific FTIR spectra changes; 2–3-times higher melt fluidity than for primary compounds; melting in successive processes over the entire positive temperatures range, up to 115 °C, such as in cases of compositional de-mixing of incompatible blends, faced to a single melting endotherm with a maximum at around 120 °C for the primar thermal degradation with the movement of the main destruction stages towards higher temperatures; a high quantity residue at 750 °C in air; dispersed mechanical resistance properties y compounds; crystallization at temperatures 10 °C–15 °C higher. The elimination of storage before the mechanical recycling of the pre-consumer waste from this type of polymeric compound fabrication is a way to increase the mechanical recycling efficiency while obtaining new materials with functional properties required by the applications.
Funder
Cohesion Funds of the European Union SC Promateris SA
Subject
General Materials Science
Reference60 articles.
1. Horrocks, M. (2020, February 24). Post-Industrial Plastic Recycling Succes Story. Available online: https://blog.erema.com/post-industrial-plastic. 2. European Bioplastics (2023, January 06). PLA in the Waste Stream, 18 December 2017. Available online: https://www.european-bioplastics.org/pla-in-the-waste-stream/. 3. Wojnowska-Baryła, I., Kulikowska, D., and Bernat, K. (2020). Effect of bio-based products on waste management. Sustainability, 12. 4. Sesotec GmbH (2023, January 06). Recycling Rate, Recyclate Content and the Impact on the Plastics Industry. Available online: https://www.sesotec.com/emea/en/resources/blog/recycling-rate-recyclate-content-and-the-impact-on-the-plastics-industry. 5. Elsayed, H., Farag, M., Megahed, H., and Mehanny, S. (2012, January 9–15). Influence of flax fibers on properties of starch-based composites. Proceedings of the ASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012, Houston, TX, USA.
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