| 摘要 |
A catalyst system with at least one specifically substituted metallocene which contains a cationic group as a substituent, a process for preparing such a catalyst system and its use in the polymerization of olefins. In particular, said catalyst system has (a) at least one support, (b) at least one cocatalyst and (c) at least one metallocene of the formulawhere M1, R1, R2, R3, m, m', A, k and X are defined herein.
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