Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins

Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins

9 1 2 1 1 2 9 1 2 1 1 2 9 A catalyst system includes a metallocene compound having the formula RLLMRRwherein Ris a bridge between ligands Land Land Mis a metal of Group IVB of the Periodic Table such as titanium, zirconium and hafnium and Rand Rcan be hydrogen or aliphatic or aromatic groups. Bridge...

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Hauptverfasser: Schottek, Joerg, Paczkowski, Nicola Stefanie, Winter, Andreas, Sell, Thorsten
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Sprache:eng
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creator Schottek, Joerg
Paczkowski, Nicola Stefanie
Winter, Andreas
Sell, Thorsten
description 9 1 2 1 1 2 9 1 2 1 1 2 9 A catalyst system includes a metallocene compound having the formula RLLMRRwherein Ris a bridge between ligands Land Land Mis a metal of Group IVB of the Periodic Table such as titanium, zirconium and hafnium and Rand Rcan be hydrogen or aliphatic or aromatic groups. Bridge Rcan include silicon, germanium or tin. The metallocene compound of the invention as synthesized has a racemic to meso isomer ratio of greater than 5 to 1, thereby precluding the need for subsequent separation of the meso isomer.
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title Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins
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