The development of bio-supported homogeneous organocatalysts with improved recycling potential through sequential de- and re-polymerization and their use in CO2 valorization catalysis

Informations projet

RECIRCULATE

N° de convention de subvention: 101110356

DOI

10.3030/101110356

Projet clôturé

Date de signature de la CE 12 Mai 2023

Date de début 19 Juin 2023

Date de fin 18 Juin 2025

Financé au titre de

• Marie Skłodowska-Curie Actions (MSCA)

Coût total

Aucune donnée

Contribution de l’UE

€ 181 152,96

Coordonné par

FUNDACIO INSTITUT CATALA D'INVESTIGACIO QUIMICA
Spain

Periodic Reporting for period 1 - RECIRCULATE (The development of bio-supported homogeneous organocatalysts with improved recycling potential through sequential de- and re-polymerization and their use in CO2 valorization catalysis)

Période du rapport: 2023-06-19 au 2025-06-18

Résumé du contexte et des objectifs généraux du projet

This work presents the development of new biodegradable plastics that can carry and release drug molecules in a controlled way. Researchers created two types of specialized building blocks (cyclic carbonates) that were chemically linked to a drug called oxaprozin. These were then used to make a new kind of polymer that can be precisely tuned for drug content. Importantly, the material can break down under specific conditions to release the active drug and recover useful by-products, showing promise for applications in controlled drug delivery and recyclable medical materials.

Travail effectué depuis le début du projet jusqu’à la fin de la période considérée dans le rapport et principaux résultats atteints jusqu’à présent

This study introduces a new class of sustainable biopolymer made from natural sources like bio-based terpenes and carbon dioxide. Using a catalytic process, researchers successfully created biodegradable polycarbonates from 2-menthene oxide and limonene oxide—compounds derived from renewable resources. The materials’ properties could be fine-tuned by adjusting the composition of the starting ingredients. Importantly, these biohybrid polymers could be broken down efficiently to recover over 95% of the original natural components, showing great potential for chemical recyclability and the development of circular, eco-friendly polycarbonate.

Progrès au-delà de l’état des connaissances et impact potentiel prévu (y compris l’impact socio-économique et les conséquences sociétales plus larges du projet jusqu’à présent)

This research showcases an innovative method for recycling biobased plastics into useful new materials. The study focuses on a plant-derived plastic called poly(menthene carbonate) (PMC), which can be selectively broken down into its original components under mild catalytic conditions. These recovered building blocks were then transformed into new, functional monomers that can be reused to create fresh types of plastics. This approach highlights a closed-loop, circular system, where plastic waste can be turned back into valuable materials, supporting the future of sustainable and customizable polymer design.

Terpolymerization reaction