Journal article
From Polymers to Rings and Back Again: Chemical Recycling of Polyesters to Macrolactones
- Abstract:
- Cyclic anhydride and epoxide ring‐opening copolymerization is a versatile and controlled route to make polyesters, gaining attention in different application sectors. But so far, the chemical recycling of these polyesters to cyclic monomers is under‐explored. Here, the catalytic chemical recycling of aliphatic polyesters to selectively form 16‐ and 18‐membered lactones is presented. The recycling reactions are catalyzed using commercial tin(II) octoate and conducted in the polymer melt (230 °C) resulting in high conversions to the macrolactones (>90%). The recycled macrolactones undergo catalyzed ring‐opening polymerizations to produce polyesters with equivalent properties to the virgin materials.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of Record, Version of record, pdf, 1.0MB, Terms of use)
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- Publisher copy:
- 10.1002/anie.202423478
Authors
+ Engineering and Physical Sciences Research Council
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- Funder identifier:
- https://ror.org/0439y7842
- Publisher:
- Wiley
- Journal:
- Angewandte Chemie International Edition More from this journal
- Article number:
- e202423478
- Publication date:
- 2025-03-27
- Acceptance date:
- 2025-03-09
- DOI:
- EISSN:
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1521-3773
- ISSN:
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1433-7851
- Language:
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English
- Keywords:
- Source identifiers:
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2806065
- Deposit date:
-
2025-03-27
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