ISSN:
1572-9028
Keywords:
metallocene
;
thermochemistry
;
structural dynamics
;
ion pair separation
;
borane
;
MAO
;
olefin polymerization
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract This contribution reviews thermochemical and dynamic NMR studies of metallocenium olefin polymerization catalyst formation from, and dissociation to, the neutral metallocene dimethyl precursors and either fluoroarylboranes or methylalumoxane (MAO), as well as the kinetics of ion pair separation/recombination/reorganization. Significant correlations are found between borane Lewis acidity, the enthalpy of catalyst formation, catalyst NMR spectral parameters, the free energy of activation of catalyst ion pair separation/recombination/reorganization, and ethylene polymerization activity.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1019155515306
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