Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 59, Issue 34, Pages 14517-14526Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202005114
Keywords
cyclic ketene acetals; DFT calculations; kinetic modelling; polyester; radical polymerization
Categories
Funding
- French Ministry of Research
- CNRS [ANR-15-CE08-0019, ANR-11-JS08-0005]
- French National Research Agency [ANR-15-CE08-0019, ANR-11-JS08-0005]
- Centre Regional de Competences en Modelisation Moleculaire de Marseille
- Agence Nationale de la Recherche (ANR) [ANR-11-JS08-0005, ANR-15-CE08-0019] Funding Source: Agence Nationale de la Recherche (ANR)
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Radical ring-opening polymerization (rROP) of cyclic ketene acetals (CKAs) combines the advantages of both ring-opening polymerization and radical polymerization thereby allowing the robust production of polyesters coupled with the mild polymerization conditions of a radical process. rROP was recently rejuvenated by the possibility to copolymerize CKAs with classic vinyl monomers leading to the insertion of cleavable functionality into a vinyl-based copolymer backbone and thus imparting (bio)degradability. Such materials are suitable for a large scope of applications, particularly within the biomedical field. The competition between the ring-opening and ring-retaining propagation routes is a major complication in the development of efficient CKA monomers, ultimately leading to the use of only four monomers that are known to completely ring-open under all experimental conditions. In this article we investigate the radical ring-opening polymerization of model CKA monomers and demonstrate by the combination of DFT calculations and kinetic modeling using PREDICI software that we are now able to predict in silico the ring-opening ability of CKA monomers.
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