Catalyst component for olefin polymerization, catalyst for...

Details Catalyst component for olefin polymerization, catalyst for... Catalyst component for olefin polymerization, catalyst for...

2007-03-13

2007-03-13

Lu, Caixia (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S134000, C526S165000, C526S943000, C502S103000, C502S152000

Reexamination Certificate

active

10940769

ABSTRACT:
To develop a catalyst component for olefin polymerization, a metallocene catalyst for olefin polymerization and a process for the production of an olefin polymer capable of producing an olefin polymer having a high molecular weight and a high melting point which can be extruded or injection-molded in a high yield and a novel transition metal compound to be used in these catalyst components a catalyst component for olefin polymerization is made of a transition metal compound represented by formula (I) shown below; a metallocene catalyst for olefin polymerization comprises the catalyst component for olefin polymerization; and a process for the production of an olefin polymer is performed in the presence of the metallocene catalyst for olefin polymerization:

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Database CA 'Online!, Iwama Tadashi, et al., “Transition metal compounds, catalysts containing them, and manufacture of .alpha.-olefin polymers with high stereoregularity”, Chemical Abstracts Service, Database Accession No. 2000:218579, XP-002314202, JP 2000-095791, Apr. 4, 2000, pp. 1-5.
Database CA 'Online!, Masami Kashimoto, et al, “Preparation of alpha-olefin polymers with high melting point, catalysts therefor and metaliocene transition metal complexes therein”, Chemical Abstracts Service, Database Accession No. 2003:805785, XP-002314387, JP 2003-292518, Oct. 15, 2003, pp. 1-11.

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