Effect of internal electron donor on copolymerization of ethylene and 1-hexene catalyzed by supported Ziegler- Natta catalysts
โ Scribed by Fan, Zhiqiang; Zhang, Letian; Fu, Zhisheng
- Book ID
- 127255051
- Publisher
- Walter de Gruyter GmbH
- Year
- 2008
- Tongue
- English
- Weight
- 673 KB
- Volume
- 8
- Category
- Article
- ISSN
- 2197-4586
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## Abstract The effects of two alkoxysilane donors, triethoxyphenylsilane (PTES) and dimethoxydiโ__tert__โbutylsilane (DTBDMS), on the propene/1โhexene copolymerization with MgCl~2~/DIBP/TiCl~4~ (DIBP: diisobutyl phthalate) are compared. Two series of copolymers of different compositions were produ
## Abstract Ethylene/1โhexene copolymerization was carried out with polystyreneโsupported metallocene catalyst. It was found that the kinetic of the copolymerization was strongly influenced by the steric hindrance of carrier. The influences of 1โhexene concentration in the feed on catalyst producti
MgCl 2 for use as a catalyst support was prepared by dissolution in methanol and recrystallization in n-decane, followed by vacuum-drying at 2,000 rpm. The prepared support was modified by treatment with alkylaluminum compounds. The activity profile of ethylene over the supported catalysts persisted