Olefin polymerization catalyst component

Details Olefin polymerization catalyst component Olefin polymerization catalyst component

1986-06-18

1987-12-01

Garvin, Patrick P.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502118, 502121, 502123, 502124, 502125, 502126, 502128, 502133, 502134, 526125, 568700, C08F 464

Patent

active

047104821

ABSTRACT:
Olefin polymerization catalyst components having improved activity and morphological properties are disclosed and claimed. In particular, the components are prepared by reacting a magnesium compound of the formula [Mg.sub.4 (OR).sub.6 (R'OH).sub.10 ]X where "X" is a counter ion having a total charge of -2 and R and R', which may be the same or different, are selected from alkyl groups of 1 to 4 carbon atoms, with a halogenated tetravalent titanium component, a halohydrocarbon component and an electron donor.

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"Alkoxymagnesium Halides", by N. Ya. Turova & E. P. Turevskaya, J. of Organometal. Chemistry, 42 (1972), pp. 8-17.

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