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Comparison of the catalytic activity of Ziegler-type catalysts based on Cp2ZrCl2and (Cp2ZrCl)2O

✍ Scribed by E. A. Fushman; S. S. Lalayan; M. Kh. Minacheva; O. A. Mikhailova; A. D. Margolin


Book ID
112387220
Publisher
Springer
Year
1993
Tongue
English
Weight
346 KB
Volume
42
Category
Article
ISSN
1573-9171

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πŸ“œ SIMILAR VOLUMES


Metallocene-methylaluminoxane catalysts
✍ James C. W. Chien; Bor-Ping Wang πŸ“‚ Article πŸ“… 1990 πŸ› John Wiley and Sons 🌐 English βš– 888 KB

## Abstract The ethylene polymerization by Cp~2~ZrCl~2~/MAO (Cp = Ξ·^5^: cyclopentadienyl; MAO = methyl aluminoxane) and CpZrCl~3~/MAO have been studied. The MW and PD (= __M__~__w__~/__M__~__w__~) of polymers obtained after 2.5‐60 min are the same, which indicate short chain lifetime. The values of

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## Abstract In this work, ethylene was polymerized by using Cp~2~ZrCl~2~ supported on silica pretreated with methylaluminoxane (MAO) as the catalyst system. The influence of the conditions for the preparation of the heterogeneous catalyst, such as temperature, washing method of the catalytic solid,