Dicationic and zwitterionic catalysts for the amine-initiated, immortal ring-opening polymerisation of rac-lactide: facile synthesis of amine-terminated, highly heterotactic PLA

Dicationic and zwitterionic catalysts for the amine-initiated, immortal ring-opening polymerisation of rac-lactide: facile synthesis of amine-terminated, highly heterotactic PLA

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...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2010-01, Vol.46 (2), p.273-275
Hauptverfasser: Clark, Lawrence, Cushion, Michael G, Dyer, Hellen E, Schwarz, Andrew D, Duchateau, Robbert, Mountford, Philip
Format: Artikel
Sprache:eng
Schlagworte:
Amines - chemistry
Catalysis
Catalysts
Cations - chemistry
Dioxanes - chemistry
Molecular Conformation
Molecular weight
Polydispersity
Polyesters - chemical synthesis
Polyesters - chemistry
Polymerization
Synthesis
Yttrium - chemistry
Yttrium compounds
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Beschreibung
Zusammenfassung: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.
ISSN:1359-7345
1364-548X
DOI:10.1039/b919162c