C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/645
C08F 10/06 (2006.01) C08F 2/00 (2006.01) C08F 4/64 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1302639
0.Z. 0050/39102 Abstract of the Disclosure: Polymers of propene are pre- pared using a Ziegler-Natta catalyst system consisting of (1) a titanium component which contains titanium, magnesium, chlorine and a benzenecarboxylic acid derivative on a carrier, (2) an aluminum component and (3) a silane com- ponent. The process employs a titanium component (1) which is obtained by a method in which (1.1) first a solid-phase intermediate is prepared from (I) magnesium chloride, (II) an alkanol, (III) a carrier which in turn consists of a finely divided inorganic oxide carrier material which has been pretreated with an alkylchloro- silane, (IV) titanium tetrachloride and (V) a phthalic acid derivative, in such a way that (1.1.1) first (I) is reacted with (II), (1.1.2) then the carrier (III) is introduced into the substance resulting from (1.1.1), (1.1.3) thereafter the solid-phase substance resulting from (1.1.2) is reacted with (IV) in a liquid hydrocarbon, with the proviso that (V) is also introduced in (1.1.1) or (1.1.2) or (1.1.3), then (1.2) the solid-phase sub- stance resulting from (1.1) is extracted with titanium tetrachloride, and finally the solid-phase substance resulting from (1.2) is extracted with a liquid hydro- carbon.
563305
Werner Rainer Alexander
Zolk Ralf
Novolen Technology Holdings C.v.
Robic
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