MgCl 2 -Based Supports for the Immobilization and Activation of Nickel Diimine Catalysts for Polymerization of Ethylene
โ Scribed by Severn, John R.; Chadwick, John C.; Van Axel Castelli, Valeria
- Book ID
- 127143265
- Publisher
- American Chemical Society
- Year
- 2004
- Tongue
- English
- Weight
- 70 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0024-9297
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๐ SIMILAR VOLUMES
## Abstract Ethylene slurry polymerizations were performed using supported nickel diimine catalysts. The effects of catalyst structure and polymerization conditions on catalyst activity, polymer particle morphology, and polymer properties were investigated. Covalently attached supported nickel diim
## Abstract Summary: Supports of type MgCl~2~/AlR~__n__~(OEt)~3โ__n__~, obtained by reaction of AlR~3~ with adducts of MgCl~2~ and ethanol, have been shown to be effective for the immobilization and activation of [Cp~2~TiCl~2~] and other singleโsite olefin polymerization catalysts without the use o
## Abstract Ethylene was polymerized using both homogeneous and modified methylaluminoxane (MMAO)โtreated silica supported nickelโdiimine catalysts (1,4โbis(2,6โdiisopropylphenyl) acenaphthene diimine nickel(II) dibromide) in a slurry semibatch reactor. The effects of catalyst support and polymeriz
## Abstract Summary: Easy and effective immobilization and activation of a range of Tiโbased singleโsite catalysts for ethylene polymerization has been achieved, without methylaluminoxane or borate activators, using MgCl~2~/AlR~__n__~(OEt)~3โ__n__~ supports obtained by reaction of AlR~3~ with adduc
## Abstract **Summary:** The effective immobilization and activation of a singleโsite chromium catalyst for ethylene polymerization has been achieved using MgCl~2~/AlR~__n__~(OEt)~3โโโ__n__~ supports, without the use of methylaluminoxane (MAO) or a borate activator. High catalyst activity and a sph