Leveraging mechanochemistry for sustainable polymer degradation

Over 8 billion tons of plastic have been produced to date, and a 100% reclamation recycling strategy is not foreseeable. This review summarizes how the mechanochemistry of polymers may contribute to a sustainable polymer future by controlling the degradation not only of de novo developed designer po...

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Veröffentlicht in:Polymer journal Jg. 56; H. 4; S. 249 - 268
Hauptverfasser: Aydonat, Simay, Hergesell, Adrian H, Seitzinger, Claire L, Lennarz, Regina, Chang, George, Sievers, Carsten, Meisner, Jan, Vollmer, Ina, Göstl, Robert
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Tokyo Nature Publishing Group 01.04.2024
Schlagworte:
Addition polymerization
Circular economy
Commodities
Convergence
Degradation
Parameters
Polymers
Reclamation
Sustainability
Waste management
Waste streams
ISSN:0032-3896, 1349-0540
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Zusammenfassung:Over 8 billion tons of plastic have been produced to date, and a 100% reclamation recycling strategy is not foreseeable. This review summarizes how the mechanochemistry of polymers may contribute to a sustainable polymer future by controlling the degradation not only of de novo developed designer polymers but also of plastics in existing waste streams. The historical development of polymer mechanochemistry is presented while highlighting current examples of mechanochemically induced polymer degradation. Additionally, theoretical and computational frameworks are discussed that may lead to the discovery and better understanding of new mechanochemical reactions in the future. This review takes into account technical and engineering perspectives converging the fields of trituration and polymer mechanochemistry with a particular focus on the fate of commodity polymers and potential technologies to monitor mechanochemical reactions while they occur. Therefore, a unique perspective of multiple communities is presented, highlighting the need for future transdisciplinary research to tackle the high-leverage parameters governing an eventually successful mechanochemical degradation approach for a circular economy.Mechanochemistry is a promising technology to tackle current and future polymer waste streams for a sustainable future. With this review, we take into account synthetic, computational, technical, and engineering perspectives to converge trituration and polymer mechanochemistry with a particular focus on the fate of commodity polymers and potential technologies to monitor mechanochemical reactions while they occur. We highlight the need for future transdisciplinary research to tackle the high-leverage parameters governing an eventually successful mechanochemical polymer degradation approach for a circular economy.
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ISSN:0032-3896
1349-0540
DOI:10.1038/s41428-023-00863-9