C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/2057, 402/62
C08F 2/04 (2006.01) C07F 17/00 (2006.01) C08F 2/18 (2006.01) C08F 2/34 (2006.01) C08F 10/00 (2006.01) C08F 10/06 (2006.01) C08F 110/06 (2006.01) C08F 4/6192 (2006.01) C08F 4/639 (2006.01) C08F 4/6392 (2006.01)
Patent
CA 1317411
- 1 - Abstract of the disclosure HOE 87/F 229 In the case of Ziegler catalysts based on a metallocene as the transition metal component and an aluminoxane as the activator, preactivation of the metallocene with the aluminoxane results in a considerable increase in the activity of the catalyst system. Furthermore, 1-olefin polymers of a high degree of isotacticity and having com- pact, spherical particles, a very narrow particle size distribution and a high bulk density are obtained by means of a catalyst system of this type.
573913
Spaleck Walter
Winter Andreas
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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