Effective activation of metallocene catalyst with AlMCM-41 in propylene polymerization
β Scribed by Tsuneji Sano; Tsunehito Niimi; Toyoaki Miyazaki; Shingo Tsubaki; Yasunori Oumi; Toshiya Uozumi
- Book ID
- 110350491
- Publisher
- Springer US
- Year
- 2001
- Tongue
- English
- Weight
- 69 KB
- Volume
- 71
- Category
- Article
- ISSN
- 1011-372X
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π SIMILAR VOLUMES
## Abstract For the initial steps of propylene bulk phase polymerization with a silicaβsupported metallocene/MAOβcatalyst the processes of polymer growth, particle expansion and carrier fragmentation are investigated. Gravimetric analysis of the kinetics is given. Light optical examination of the p
Propylene polymerization was investigated with a sequential addition of Ziegler-Natta and metallocene catalysts. From the fact that the molecular weights of polypropylene (PP) produced with Ziegler-Natta and with metallocene catalysts differ, it was possible to control the molecular weight distribut