Fused ring catalyst and ethylene polymerization process...

Details Fused ring catalyst and ethylene polymerization process... Fused ring catalyst and ethylene polymerization process...

C - Chemistry, Metallurgy

08

F

252/100, 402/418

C08F 4/02 (2006.01) C08F 10/02 (2006.01)

Patent

CA 1082675

ABSTRACT OF THE DISCLOSURE Bis(indenyl)- and bis(fluorenyl)-chromium [II] compounds are deposited on activated inorganic oxide supports to provide catalysts which are useful in the presence of hydrogen, alone, or with cyclopentadiene compounds, for the polymerization of ethylene in high yields. These catalysts exhibit good thermal stability and show a unique response to cyclopentadiene compounds which allows production of polymers having a relatively broad range of melt index values. 1.

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