Solid catalyst component for olefin polymerization, process...

Details Solid catalyst component for olefin polymerization, process... Solid catalyst component for olefin polymerization, process...

2005-02-22

2005-02-22

Choi, Ling-Siu (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S123100, C526S124300, C526S126000, C526S346000, C502S087000, C502S103000, C502S119000, C502S125000, C502S127000

Reexamination Certificate

active

06858685

ABSTRACT:
There is provided a process for producing a catalyst for olefin polymerization, which comprises the step of contacting (1) an organ aluminum compound, (2) an external electron donor compound and (3) a solid catalyst component obtained by a process comprising the steps of;(i) reducing a titanium compound represented by the following formula [I] with an organomagnesium compound in the presence of a fine particle and an organosilicon compound having an Si—O bond to obtain a solid product, and(ii) contacting the solid product, a halogenocompound having halogenation ability and an internal electron donor compound to obtaining the solid catalyst component.

REFERENCES:
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patent: 5051484 (1991-09-01), Sasaki et al.
patent: 5608018 (1997-03-01), Ebara et al.
patent: 64-38409 (1989-02-01), None
patent: 10-212231 (1998-08-01), None
patent: 10-212319 (1998-08-01), None

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