Transition metal compound, olefin polymerization catalyst compon

Details Transition metal compound, olefin polymerization catalyst compon Transition metal compound, olefin polymerization catalyst compon

1994-11-10

1997-04-01

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502103, 502153, 526113, 526114, 526115, 526129, 526131, 526133, 526153, 526160, 526150, 526152, 526126, 526351, C08F 460, C08F 4622, C08F 1000

Patent

active

056166630

ABSTRACT:
Disclosed is a novel transition metal compound represented by the following formula: ##STR1## wherein M is a transition metal, X is halogen or the like, R.sup.1 is a hydrocarbon group or the like, R.sup.2 is an aryl group substituted with a halogenated hydrocarbon group, and Y is a divalent silicon-containing group or the like.
Also disclosed are an olefin polymerization catalyst component comprising the transition metal compound, an olefin polymerization catalyst comprising the olefin polymerization catalyst component, and a process for olefin polymerization using the olefin polymerization catalyst.
An olefin polymerization catalyst component having high polymerization activity can be formed from the transition metal compound. By the use of the olefin polymerization catalyst or the process for olefin polymerization, polyolefins having a high melting point and a high molecular weight can be prepared with high polymerization activity.

REFERENCES:
patent: 5278264 (1994-01-01), Spaleck et al.
patent: 5308816 (1994-05-01), Tsutsui et al.
patent: 5328969 (1994-07-01), Winter et al.

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