Selective Chemical Upcycling of Mixed Plastics Guided by a Thermally Stable Organocatalyst
Dr. Coralie Jehanno
POLYMAT, University of the Basque Country UPV/EHU, Avda. Tolosa 7, 20018 Donostia-San Sebastian, Spain
Search for more papers by this authorDr. Jeremy Demarteau
POLYMAT, University of the Basque Country UPV/EHU, Avda. Tolosa 7, 20018 Donostia-San Sebastian, Spain
Search for more papers by this authorDr. Daniele Mantione
Laboratoire de Chimie des Polymères Organiques (LCPO—UMR 5629), Bordeaux INP, Université de Bordeaux, CNRS, 33607 Pessac, France
Search for more papers by this authorDr. Maria C. Arno
School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT UK
Search for more papers by this authorDr. Fernando Ruipérez
POLYMAT, University of the Basque Country UPV/EHU, Avda. Tolosa 7, 20018 Donostia-San Sebastian, Spain
Search for more papers by this authorDr. James L. Hedrick
IBM Almaden Research center, 650 Harry Road, San Jose, CA, 95120 USA
Search for more papers by this authorCorresponding Author
Prof. Andrew P. Dove
School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT UK
Search for more papers by this authorCorresponding Author
Dr. Haritz Sardon
POLYMAT, University of the Basque Country UPV/EHU, Avda. Tolosa 7, 20018 Donostia-San Sebastian, Spain
Search for more papers by this authorDr. Coralie Jehanno
POLYMAT, University of the Basque Country UPV/EHU, Avda. Tolosa 7, 20018 Donostia-San Sebastian, Spain
Search for more papers by this authorDr. Jeremy Demarteau
POLYMAT, University of the Basque Country UPV/EHU, Avda. Tolosa 7, 20018 Donostia-San Sebastian, Spain
Search for more papers by this authorDr. Daniele Mantione
Laboratoire de Chimie des Polymères Organiques (LCPO—UMR 5629), Bordeaux INP, Université de Bordeaux, CNRS, 33607 Pessac, France
Search for more papers by this authorDr. Maria C. Arno
School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT UK
Search for more papers by this authorDr. Fernando Ruipérez
POLYMAT, University of the Basque Country UPV/EHU, Avda. Tolosa 7, 20018 Donostia-San Sebastian, Spain
Search for more papers by this authorDr. James L. Hedrick
IBM Almaden Research center, 650 Harry Road, San Jose, CA, 95120 USA
Search for more papers by this authorCorresponding Author
Prof. Andrew P. Dove
School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT UK
Search for more papers by this authorCorresponding Author
Dr. Haritz Sardon
POLYMAT, University of the Basque Country UPV/EHU, Avda. Tolosa 7, 20018 Donostia-San Sebastian, Spain
Search for more papers by this authorAbstract
Chemical recycling of plastic waste represents a greener alternative to landfill and incineration, and potentially offers a solution to the environmental consequences of increased plastic waste. Most plastics that are widely used today are designed for durability, hence currently available depolymerisation methods typically require harsh conditions and when applied to blended and mixed plastic feeds generate a mixture of products. Herein, we demonstrate that the energetic differences for the glycolysis of BPA-PC and PET in the presence of a protic ionic salt TBD:MSA catalyst enables the selective and sequential depolymerisation of these two commonly employed polymers. Employing the same procedure, functionalised cyclic carbonates can be obtained from both mixed plastic wastes and industrial polymer blend. This methodology demonstrates that the concept of catalytic depolymerisation offers great potential for selective polymer recycling and also presents plastic waste as a “greener” alternative feedstock for the synthesis of high added value molecules.
Conflict of interest
The authors declare no conflict of interest.
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