Chemical recycling of bioplastics: technical opportunities to preserve chemical functionality as path towards a circular economy

AL Merchan, T Fischöder, J Hee, MS Lehnertz… - Green …, 2022 - pubs.rsc.org
Plastics have become an integral part of many areas of life. Their high chemical resistance
has opened a huge range of applications. At the same time, this creates major challenges …

A Multitool for Circular Economy: Fast Ring‐Opening Polymerization and Chemical Recycling of (Bio) polyesters Using a Single Aliphatic Guanidine Carboxy Zinc …

M Fuchs, PM Schäfer, W Wagner, I Krumm… - …, 2023 - Wiley Online Library
A new aliphatic hybrid guanidine N, O‐donor ligand (TMGeech) and its zinc chloride
complex ([ZnCl2 (TMGeech)]) are presented. This complex displays high catalytic activity for …

Simple and Efficient Zinc Catalysts for Synthesis and Chemical Degradation of Polyesters

F Santulli, D Pappalardo, M Lamberti… - ACS Sustainable …, 2023 - ACS Publications
A series of zinc complexes supported by tridentate imino-phenolate ligands with different
substituents on the phenolate ring and bearing a pyridyl ring as an additional coordinative …

Zinc and magnesium catalysts for the synthesis for PLA and its degradation: Clues for catalyst design

F Santulli, G Gravina, M Lamberti, C Tedesco… - Molecular …, 2022 - Elsevier
Homoleptic and heteroleptic zinc and magnesium complexes bearing phenoxy-imine
pyridine ligands were synthetized and characterized. Several structural parameters such as …

Homoleptic phenoxy-imine pyridine zinc complexes: efficient catalysts for solvent free synthesis and chemical degradation of polyesters

S D'Aniello, S Laviéville, F Santulli, M Simon… - Catalysis Science & …, 2022 - pubs.rsc.org
The synthesis and structural characterization of six homoleptic zinc complexes supported by
monoanionic phenoxy-imine pyridine ligands bearing different substituents on the phenoxy …

Recent Trends on Zinc Complexes Bearing Bi‐, Tri‐and Tetra‐Dentate Schiff Base Ligands for Catalytic Ring‐Opening Polymerization of Lactides

N Yadav, T Singh Chundawat - ChemistrySelect, 2024 - Wiley Online Library
Numerous zinc complexes based on N‐and O‐donor Schiff‐base ligands have shown great
promise in the ring‐opening polymerization (ROP) of lactides, which are cyclic dimers of …

Open Loop Recycling–Guanidine Iron (II) Polymerization Catalyst for the Depolymerization of Polylactide

L Burkart, A Eith, A Hoffmann… - Chemistry–An Asian …, 2023 - Wiley Online Library
A previously reported non‐toxic guanidine‐iron catalyst active in the ring opening
polymerization (ROP) of polylactide (PLA) under industrially relevant conditions was …

Open‐and Closed‐Loop Recycling: Highly Active Zinc Bisguanidine Polymerization Catalyst for the Depolymerization of Polyesters

T Becker, A Hermann, N Saritas, A Hoffmann… - …, 2024 - Wiley Online Library
In this study, the aliphatic N, N‐bisguanidine zinc complex [Zn (DMEG2ch) 2](OTf) 2⋅ THF is
introduced as a promising candidate for the chemical recycling of (bio) polyesters. This …

[HTML][HTML] Zinc {ONO} complexes for the chemical recycling of PET and PLA

JA Stewart, JI Pearce, MJ Cullen, G Kociok-Köhn… - Catalysis Today, 2025 - Elsevier
Nine {ONO} ligands were prepared and treated with ZnEt 2 to form a range of complexes.
The resulting complexes were characterised in solution through 1 H and 13 C {1 H} NMR …

Mononuclear Zn (ii) compounds supported by iminophenolate proligands binding in the bidentate (N, O) and tridentate (N, O, S) coordination mode: synthesis …

SS Roy, S Sarkar, PKS Antharjanam… - New Journal of …, 2023 - pubs.rsc.org
We synthesized eight Zn (II) compounds containing unsymmetrical phenoxy–imine ligands
with a thiophen-2-ylmethanimine side arm. The Reactions of the ligands with different Zinc …