C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 10/00 (2006.01) C08F 2/00 (2006.01) C08F 4/602 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01)
Patent
CA 2080576
HOE 91/F 322 Abstract of the Disclosure: Process for the preparation of an olefin polymer using metallocenes having specifically substituted indenyl liqands A very active catalyst system for olefin polymerization comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I or Ia Image (I) Image (Ia) in which, preferably, M1 is Zr or Hf, R1 and R2 are alkyl or halogen, R3 and R4 are hydrogen or alkyl, R5 and R6 are alkyl, -(CR8R9)m-R7-(CR8R9)n is a chain with one or more members, in which R7 can also be a (substituted) heteroatom, and m+n is zero or 1.
Antberg Martin
Dolle Volker
Rohrmann Juergen
Spaleck Walter
Winter Andreas
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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