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Effect of the Configuration of the Active Center on Comonomer Reactivities: The Case of ε-Caprolactone/ l,l-Lactide Copolymerization

Authors

  • Marcin Florczak,

    1. Department of Polymer Chemistry, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences (CMMS PAS) ul. Sienkiewicza 112, 90-363 Lodz (Poland), Fax: (+48) 42-684-7126
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  • Andrzej Duda Prof.

    1. Department of Polymer Chemistry, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences (CMMS PAS) ul. Sienkiewicza 112, 90-363 Lodz (Poland), Fax: (+48) 42-684-7126
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  • We are grateful to Prof. M. Cypryk from CMMS PAS for help in the numerical determination of the reactivity ratios.

Abstract

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Pick your polymer: The reactivity ratios, r, of the comonomers can be controlled by the configuration of the active species in the copolymerization of ε-caprolactone (CL) and l,l-lactide (LA; see scheme). Thus, by varying the configuration of the initiator, a broad spectrum of copolymers with different microstructures, from gradient to more random, can be prepared in a controlled way.

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