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Magnesium-chloride-supported high-mileage catalysts for olefin polymerization. III. Electron paramagnetic resonance studies

✍ Scribed by Chien, James C. W. ;Wu, Jiun-Chen

Publisher
John Wiley and Sons
Year
1982
Weight
794 KB
Volume
20
Category
Article
ISSN
0360-6376

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Magnesium chloride supported high-mileag
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A systematic study has been made on the functions of external Lewis base (Be, methyl-p-toluate, MPT) and internal Lewis base (Bi, ethyl benzoate, EB) for the CW-catalyst system MgCl,/EB/PC/AlEt,/TiCl,-AlEt,/MF'T (PC, p-cresol). Bi is a nonstereoselective modifier. It increases the active site concen

Magnesium-chloride-supported high-mileag
Magnesium-chloride-supported high-mileage catalysts for olefin polymerization. II. Reactions between aluminum alkyl and promoters
✍ Chien, James C. W. ;Wu, Jiun-Chen πŸ“‚ Article πŸ“… 1982 πŸ› John Wiley and Sons βš– 680 KB

## Abstract The reactions between AlEt~3~ and the modifiers, promoters, and coactivators of a typical magnesium‐chloride‐supported, high‐activity propylene polymerization catalyst were studied. Infrared, MS analysis of the gas evolved, and GC–MS of the hydrolysis products for the reaction between A