Angewandte Chemie - International Edition, volume 61, issue 26
Chemical Recycling of Poly(Cyclohexene Carbonate) Using a Di‐Mg II Catalyst
1
Department of Chemistry University of Bath Centre for Sustainable and Circular Technologies Claverton Down, Bath BA2 7AY UK
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Publication type: Journal Article
Publication date: 2022-05-05
Q1
Q1
SJR: 5.300
CiteScore: 26.6
Impact factor: 16.1
ISSN: 14337851, 15213773
General Chemistry
Catalysis
Abstract
Chemical recycling of polymers to true monomers is pivotal for a circular plastics economy. Here, the first catalyzed chemical recycling of the widely investigated carbon dioxide derived polymer, poly(cyclohexene carbonate), to cyclohexene oxide and carbon dioxide is reported. The reaction requires dinuclear catalysis, with the di-MgII catalyst showing both high monomer selectivity (>98 %) and activity (TOF=150 h-1 , 0.33 mol %, 120 °C). The depolymerization occurs via a chain-end catalyzed depolymerization mechanism and DFT calculations indicate the high selectivity arises from Mg-alkoxide catalyzed epoxide extrusion being kinetically favorable compared to cyclic carbonate formation.
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Singer F. N. et al. Chemical Recycling of Poly(Cyclohexene Carbonate) Using a Di‐Mg II Catalyst // Angewandte Chemie - International Edition. 2022. Vol. 61. No. 26.
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Singer F. N., Deacy A. C., Mcguire T. M., Williams C., Buchard A. Chemical Recycling of Poly(Cyclohexene Carbonate) Using a Di‐Mg II Catalyst // Angewandte Chemie - International Edition. 2022. Vol. 61. No. 26.
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TY - JOUR
DO - 10.1002/anie.202201785
UR - https://doi.org/10.1002/anie.202201785
TI - Chemical Recycling of Poly(Cyclohexene Carbonate) Using a Di‐Mg II Catalyst
T2 - Angewandte Chemie - International Edition
AU - Singer, Frances N
AU - Deacy, Arron C
AU - Mcguire, Thomas M
AU - Williams, Charlotte
AU - Buchard, Antoine
PY - 2022
DA - 2022/05/05
PB - Wiley
IS - 26
VL - 61
SN - 1433-7851
SN - 1521-3773
ER -
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@article{2022_Singer,
author = {Frances N Singer and Arron C Deacy and Thomas M Mcguire and Charlotte Williams and Antoine Buchard},
title = {Chemical Recycling of Poly(Cyclohexene Carbonate) Using a Di‐Mg II Catalyst},
journal = {Angewandte Chemie - International Edition},
year = {2022},
volume = {61},
publisher = {Wiley},
month = {may},
url = {https://doi.org/10.1002/anie.202201785},
number = {26},
doi = {10.1002/anie.202201785}
}