Abstract
New highly active supported propylene polymerization catalysts are prepared by activating supports derived from Mg dialkyl complexes with either ethyl 2,4,6-trimethylbenzoate or di-n-butyl n-butylphosphonate. These catalysts realize yields of 16–17 kg/g cat in 2h slurry polymerizations at 70°C, 10.2 atm, with 0.8–1.5% boiling hexane extractables, 0.40–0.41 g/ml polymer powder bulk density, and narrow polymer particle size distribution, which renders them suitable for use in both slurry and solventless propylene polymerization processes.
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© 1988 Springer-Verlag Berlin Heidelberg
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Karayannis, N.M., Johnson, B.V., Hoppin, C.R., Khelghatian, H.M. (1988). Highly Active Supported Propylene Polymerization Catalysts Prepared by Activation of Supports Derived from Precomplexed Magnesium Alkyls. In: Kaminsky, W., Sinn, H. (eds) Transition Metals and Organometallics as Catalysts for Olefin Polymerization. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-83276-5_24
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DOI: https://doi.org/10.1007/978-3-642-83276-5_24
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