Ethylene polymerization was carried out with a novel in-situ-supported metallocene catalyst that eliminates the need for a supporting step before polymerization. The influence of the metallocene amount, aluminum to zirconium mole ratio, temperature, pressure, and cocatalyst type on polymerization ki
Effective activation of metallocene catalysts with supported-type Ph3CClO4 in ethylene polymerization
β Scribed by Naoya Kishi; Cheol-Hee Ahn; Jizhu Jin; Toshiya Uozumi; Tsuneji Sano; Kazuo Soga
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 58 KB
- Volume
- 21
- Category
- Article
- ISSN
- 1022-1336
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Optical microscope photograph of polymer particles obtained from experiment 10; magnification 6 15.
## Abstract A kinetic study of ethylene homopolymerization is conducted with a supported unbridged metallocene catalyst in a slurry reactor. The effects of operational parameters such as the reaction temperature and pressure on kinetics are investigated. The kinetic parameters which have been deter
## Abstract Propylene homopolymerizations were carried out with __rac__βdimethylsilylenebis(indenyl)zirconium dichloride, methylaluminoxaneβmodified silica, and common alkylaluminum cocatalysts. Supported catalysts were prepared by the __in situ__ immobilization technique. The effects of the type a