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- Title
Phosphasalen Indium Complexes Showing High Rates and Isoselectivities in rac-Lactide Polymerizations.
- Authors
Myers, Dominic; White, Andrew J. P.; Forsyth, Craig M.; Bown, Mark; Williams, Charlotte K.
- Abstract
Polylactide (PLA) is the leading bioderived polymer produced commercially by the metal-catalyzed ring-opening polymerization of lactide. Control over tacticity to produce stereoblock PLA, from rac-lactide improves thermal properties but is an outstanding challenge. Here, phosphasalen indium catalysts feature high rates (30±3 m−1 min−1, THF, 298 K), high control, low loadings (0.2 mol %), and isoselectivity ( Pi=0.92, THF, 258 K). Furthermore, the phosphasalen indium catalysts do not require any chiral additives.
- Subjects
POLYLACTIC acid; POLYMERS; POLYMERIZATION; CHEMICAL reactions; CATALYSTS
- Publication
Angewandte Chemie, 2017, Vol 129, Issue 19, p5361
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201701745