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Published on: December 16, 2022
Chemical recycling of polylactide by microwave-assisted processes
Federica Santulli1, Mauro Pio Ferrandino1, Costantino Cioffi1
1Department of Chemistry and Biology "Adolfo Zambelli", University of Salerno, via Giovanni Paolo II, 132. 84084 Fisciano, SA, Italy. mmazzeo@unisa.it.
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The chemical recycling of post-consumer polylactic acid by microwave-assisted alcoholysis promoted by a phenoxy-imine pyridine zinc is investigated. Different alcohols and diols are used to achieve, in all cases, outstanding activity and selectivity toward the targeted products. Thanks to the robustness of the catalyst the reactions can be performed in the air, with technical grade reagents and without the use of additional solvents, thus ensuring the full sustainability of the procedure.

