C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/654 (2006.01) C08F 10/00 (2006.01)
Patent
CA 2092769
HOE 92/F 085 Abstract of the disclosure Process for the preparation of a spherical catalyst component The invention relates to a process for the preparation of a spherical catalyst component based on magnesium chloride for the polymerization of olefins, which has high stability to mechanical load during the polymeriza- tion, so that considerable simplification and advantages are achieved in the handling and processing of the polymeric products produced therewith. This is achieved by enveloping a specific component, before the actual polymerization, with a thin protective layer of poly- ethylene by a prepolymerization.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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