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Issue 3, 2011
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Single site catalysts for stereoselective ring-opening polymerization of lactides

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Abstract

Poly(lactide) (PLA) is the most well known biodegradable and biocompatible material among the aliphatic polyesters nowadays explored for biomedical, pharmaceutical and environmental applications. Different poly(lactide)s are distinguished, namely stereoregular PLLA and PDLA, atactic, heterotactic, syndiotactic and stereoblock PLAs. Because the stereochemistry of the monomeric units in the polymer chains plays a decisive role in the mechanical, physical and degradation properties of PLA materials, stereospecific catalysts to prepare different polylactide architectures are a major topic. In this review, after a general introduction on metal catalyzed ring opening polymerization, we mainly focus on single site catalyst systems inducing stereoselective polymerization of lactides.

Graphical abstract: Single site catalysts for stereoselective ring-opening polymerization of lactides

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Article information


Submitted
02 Jul 2010
Accepted
11 Aug 2010
First published
08 Sep 2010

Polym. Chem., 2011,2, 520-527
Article type
Review Article

Single site catalysts for stereoselective ring-opening polymerization of lactides

P. J. Dijkstra, H. Du and J. Feijen, Polym. Chem., 2011, 2, 520
DOI: 10.1039/C0PY00204F

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