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Dicationic and zwitterionic catalysts for the amine-initiated, immortal ring-opening polymerisation of rac-lactide: facile synthesis of amine-terminated, highly heterotactic PLA
Laboratory of Polymer Chemistry, Department of Chemical Engineering and Chemistry, University of Technology Eindhoven, Den Dolech 2, Helix, STO 1.37, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
Chem. Commun., 2010,46, 273-275
DOI:
10.1039/B919162C
Received
16 Sep 2009,
Accepted
05 Nov 2009
First published online
25 Nov 2009
Dicationic, zwitterionic and “conventional” yttrium compounds act as catalysts for the primary or secondary amine-initiated immortal ROP of rac-lactide; amine-terminated, highly heterotactic poly(rac-lactides) with narrow polydispersities and well-controlled molecular weights are prepared in this manner.
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