Process for preparing solid titanium catalyst component, olefin

Details Process for preparing solid titanium catalyst component, olefin Process for preparing solid titanium catalyst component, olefin

1997-04-07

1999-08-10

Bell, Mark L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526115, 526122, 5261249, 5261253, 502104, 502108, 502110, 502111, 502118, 502129, 502132, 502133, 502134, C08F 444, C08F 470, B01J 3100, B01J 3700

Patent

active

059360496

ABSTRACT:
Disclosed is a process for preparing a solid titanium catalyst component, comprising contacting (a) a liquid magnesium compound, (b) a liquid titanium compound, (c) an electron donor and (d) a solid divalent metallic halide. In this process, the solid divalent metallic halide is one having a crystalline structure of the cadmium chloride type. The contact of the component (a) with the component (b) is preferably carried out in the presence of the solid divalent metallic halide (d). According to this process, there can be obtained a solid titanium catalyst component capable of polymerizing olefins with an extremely high activity and capable of producing polyolefins of high stereoregularity when .alpha.-olefins of 3 or more carbon atoms are polymerized.

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Vita Di Noto et al., Makromol. Chem. 193, 1653-1663 (1992). No month.
Encyclopaedia Chimica 1, (Kyoritsu Shuppan K.K., first edition, Feb. 28, 1962), Cadmium Chloride Structure, (Ryoichi Kiriyama).

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