C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/638
C08F 10/00 (2006.01) C08F 4/68 (2006.01)
Patent
CA 1244197
- 18 - Abstract of the Disclosure: .alpha.-Monoolefins are polymerized using a Ziegler cataLyst system comprising (1) a transition metal catalyst component and (2) an organoaluminum catalyst component, in which (1) is a solid-phase product (VI) obtained by (1.1) first combining (1.1.1) an inorganic oxidic substance (I), as the carrier, with (1.1.2) a solu- tion (II) consisting of (IIa) an organic solvent and (IIb) a transition metal composition to form a suspension (III), evaporating down this suspension to form a solid-phase intermediate (IV), and (1.2) then (1.2.1) combining the solid-phase intermediate (IV), obtained from (1.1), with (1.2.2) a solution of an organoaluminum compound (V) to form a suspension, the resulting suspended solid-phase product (VI) being the transition metal catalyst component (1). The characteristic feature is that (1) is a solid- phase product (VI) obtained using a solution (II) con- sisting of (IIa) a certain oxahydrocarbon and (IIb) a mixture of (IIb1) a vanadium trichloride/alcohol complex, (IIb2) a titanium trihalide and (IIb3) a zirconium tetrahalide.
473588
Bachl Robert
Ball Wolfgang
Funk Guido
Laun Martin
Warzelhan Volker
Basf Aktiengesellschaft
Robic Robic & Associes/associates
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