C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 2/04 (2006.01) C08F 2/18 (2006.01) C08F 2/34 (2006.01) C08F 4/642 (2006.01) C08F 10/00 (2006.01) C08F 10/06 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 110/06 (2006.01) C08F 210/16 (2006.01)
Patent
CA 2069602
HOE 91/5 158 ABSTRACT OF THE DISCLOSURE Process for the preparation of polyolefins having a broad molecular weight distribution Polyolefins having a molecular weight distribution Mw/Mn of ? 3 and which may be monomodal, bimodal or multimodal are obtained by polymerization or copolymerization of olefins of the formula RCH=CHR, in which a catalyst system comprising an aluminoxane and a transition-metal component (metallocene) is used, the transition-metal component comprising at least one zirconocene of the formula I Image (I), (Ia) and at least one zirconocene of the formula Ia or alter- natively at least 2 zirconocenes of the formula I.
Dolle Volker
Spaleck Walter
Winter Andreas
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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