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Issue 36, 2010
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Metal-catalyzed immortal ring-opening polymerization of lactones, lactides and cyclic carbonates

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Abstract

This Perspective article summarizes efforts paid in our group to develop efficient metal-based catalysts for the immortal ring-opening polymerization (iROP) of cyclic esters in the presence of large amounts of alcohols (ROH) as chain transfer agents. The catalyst systems reviewed include discrete organometallic complexes based on rare earths, magnesium, calcium and more specifically zinc, as well as simple systems employing metal triflate salts, notably Al(OTf)3, for the (stereo)controlled iROP of lactide (LA), β-butyrolactone (BBL) and trimethylenecarbonate (TMC). Special emphasis is given to systems that allow the use of minute amounts of metal catalysts and large loadings of both monomer and alcohol for the rapid and productive formation of functional polyesters (HPolOR) with controlled molecular features.

Graphical abstract: Metal-catalyzed immortal ring-opening polymerization of lactones, lactides and cyclic carbonates

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Article information


Submitted
20 Jan 2010
Accepted
02 Mar 2010
First published
27 Apr 2010

Dalton Trans., 2010,39, 8363-8376
Article type
Perspective

Metal-catalyzed immortal ring-opening polymerization of lactones, lactides and cyclic carbonates

N. Ajellal, J. Carpentier, C. Guillaume, S. M. Guillaume, M. Helou, V. Poirier, Y. Sarazin and A. Trifonov, Dalton Trans., 2010, 39, 8363
DOI: 10.1039/C001226B

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