When it is attached onto the surface of an inorganic filler (kaolin, barite), the (BuO) 4 Ti/BuMgOct/EtAlCl 2 /Et 3 Al system is a highly efficient and very promising catalyst for the production of high-performance polyethylene-based composites. The surface concentration of the hydroxyl groups, the
EP(D)M-synthesis with highly active homogeneous and heterogeneous metallocene/MAO-catalysts
โ Scribed by David Arrowsmith; Walter Kaminsky; Anne-Meike Schauwienold; Ulrich Weingarten
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 314 KB
- Volume
- 160
- Category
- Article
- ISSN
- 1381-1169
No coin nor oath required. For personal study only.
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## Abstract The effects of aluminum alkyls on the gasโphase ethylene homopolymerization and ethylene/1โhexene copolymerization over polymerโsupported metallocene/methylaluminoxane [(__n__โBuCp)~2~ZrCl~2~/MAO] catalysts were investigated. Results with triisobutyl aluminum (TIBA), triethyl aluminum (
## Abstract Highly active heterogeneous rhodium hydrogenation catalysts โ rhodium on support โ have been prepared by pyrolysis of commercially available Rh~4~(CO)~12~, highly dispersed on a suitable support, __e.g.__ SrTiO~3~, TiO~2~โanatase, TiO~2~โrutile, BaTiO~3~ or SrZrO~3~. The inactive materi