Kinetics of the ring-opening metathesis polymerization of a 7-oxanorbornene derivative by Grubbs' catalyst

Autor:	Marium G. Holland, Veronica E. Griffith, Marcia B. France, Steven G. Desjardins
Rok vydání:	2003
Předmět:	Polymers and Plastics Chemistry Organic Chemistry Solution polymerization Metathesis Ring-opening polymerization Grubbs' catalyst chemistry.chemical_compound Reaction rate constant Polymerization Polymer chemistry Materials Chemistry Living polymerization Ring-opening metathesis polymerisation
Zdroj:	Journal of Polymer Science Part A: Polymer Chemistry. 41:2125-2131
ISSN:	1099-0518 0887-624X
DOI:	10.1002/pola.10761
Popis:	The kinetics of the initiation and propagation of the ring-opening metathesis polymerization of exo,exo-5,6-bis(methoxycarbonyl)-7-oxabicyclo[2.2.1]hept-2-ene catalyzed by Grubbs' catalyst (Cl2(PCy3)2RuCHPh) were measured by ultraviolet–visible and 1H NMR spectroscopy, respectively. Activation parameters for these processes were also determined. Although the ratio of the rate constant of initiation to the rate constant of propagation was determined to be less than 1 for this system, this polymerization showed many of the characteristics of a living system, including low polydispersities. © 2003 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 41: 2125–2131, 2003
Databáze:	OpenAIRE
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