ArticleJournal of the American Chemical Society2025
Highly Stable Heterometallic Catalysts for Polyester Depolymerization and Polymerization at High Temperatures.
Article in Journal of the American Chemical Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The trial behind it
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Who cites it
7 citing papers in PubMed.
- The selective and sequential chemical recycling of commodity polymers with imino-indole zinc(ii) catalysts.Green chemistry : an international journal and green chemistry resource : GC · 2026Article
- A Solvent-Free Approach for the Mechanochemical Upcycling of Bio- and Fossil-Based Polyesters Into Value-Added Chemicals and Bio-Based Plasticizers.ChemSusChem · 2026Article
- Intramolecularly Synergic Catalysis Enables Efficient Closed-Loop Recycling of Polyesters and Polycarbonates.Angewandte Chemie (International ed. in English) · 2026Article
- Sustainable Recovery of Dibutyl Terephthalate from Aromatic Polyester Waste via Solvothermal Alcoholysis.Inorganic chemistry · 2026Article
- Transition Metal-Catalyzed Chemical Recycling and Upcycling of Polyethylene Terephthalate.ChemSusChem · 2026Review
- Bimetallic Synergistic Catalysis Enabling Efficient Chemical Recycling of Commercial Polyesters.Polymer science & technology (Washington, D.C.) · 2026Article
- Sustainable recycling of polyester wastes using a coordinatively unsaturated Zn catalyst.Nature communications · 2026Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chemical depolymerization to monomer is a valuable tool in the quest to prevent the accumulation of single-use plastic, especially poly(ethylene terephthalate), PET, in the environment. However, the protic nucleophiles and high temperatures usually required in this process make the development of rationally designed, stable catalysts very challenging. Herein, we report a series of heterobimetallic catalysts, combining Zn(II) and Mg(II) with K(I) and Na(I) to form "ate" complexes that are stable in air and at high temperatures, which can be applied in the depolymerization of PET and poly(lactide), PLA. The catalysts present outstanding stability and remain active after 4 successive PET additions over several days on the bench. Reaction studies reveal the influence of the metal coordinated in the inner pocket of the ligand upon the activity of the metal coordinated in the outer pocket, with different heterobimetallic catalysts being found to be optimal for the depolymerization of PET and PLA respectively. Their potential for application in industrially relevant bulk polymerization of
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.