Novel Calcium Half-Sandwich Complexes for the Living and Stereoselective Polymerization of Styrene
β Scribed by Sjoerd Harder; Florian Feil; Konrad Knoll
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 106 KB
- Volume
- 113
- Category
- Article
- ISSN
- 0044-8249
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π SIMILAR VOLUMES
Polymerizations of styrene were carried out with half-sandwich complexes supported on silica, CpTiX 3 /MAO/SiO 2 (X Ο Cl, F). The optimum values for the polymerization time, the amount of cocatalyst and the Al support /Ti ratio were found for the trichlorinated system. The highest activity obtained
Monocyclopendienyltitanium trichloride (CpTiCl 3 ) was supported on polymer carriers with different hydroxyl contents, and the supported catalysts were used for styrene polymerization. The supported catalysts exhibited high activity even at low Al/Ti ratios and increased the molecular weight of the