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Issue 51, 2019
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Waste not, want not: CO2 (re)cycling into block polymers

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Abstract

A new way to combine two different polymerisation reactions, using a single catalyst, results in efficient block polymer synthesis. The selective polymerisation of mixtures of L-lactide-O-carboxyanhydride and cyclohexene oxide, using a di-zinc catalyst in a one-pot procedure, allows the preparation of poly(L-lactide-b-cyclohexene carbonate). The catalysis near quantitatively recycles the carbon dioxide released during polyester formation into the subsequent polycarbonate block, with an atom economy of up to of 91%.

Graphical abstract: Waste not, want not: CO2 (re)cycling into block polymers

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Submitted
29 Mar 2019
Accepted
09 May 2019
First published
07 Jun 2019

This article is Open Access

Chem. Commun., 2019,55, 7315-7318
Article type
Communication

Waste not, want not: CO2 (re)cycling into block polymers

S. K. Raman, R. Raja, P. L. Arnold, M. G. Davidson and C. K. Williams, Chem. Commun., 2019, 55, 7315
DOI: 10.1039/C9CC02459J

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