Catalyst component for the polymerization of olefins and...

Details Catalyst component for the polymerization of olefins and... Catalyst component for the polymerization of olefins and...

C - Chemistry, Metallurgy

08

F

C08F 4/642 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2105889

Abstract It is intended to provide a catalyst component for use in the polymerization or copolymerization of olefin(s) and capable of affording olefin polymers or copolymers having a high molecular weight, a relatively wide molecular weight distribution, and a narrow composition distribution in the case of copolymers. The catalyst component is obtained by contacting the following components (1) to (4) with one another: (1) a compound of the general formula Me1R1nX14-n where R1 is a hydrocarbon radical having 1 to 24 carbon atoms, X1 is a halogen atom, Me is Zr, Ti Or Hf, and n is 0 ? n ? 4; (2) a compound of the general formula Me2R2mX2z-m where R2 is a hydrocarbon radical having 1 to 24 carbon atoms, X2 is a halogen atom, Me2 is an element from Groups I to III in the Periodic Table, z is the valence of Me2 and m is 0 ? m ? z; (3) an organocyclic compound having two or more conjugated double bonds; and (4) a modified organoaluminum compound containing A1-O-A1 bond and with at least one branched-chain alkyl group being attached to aluminum atom.

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