Production of .alpha.-olefin polymers

C - Chemistry – Metallurgy – 08 – F

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402/375, 252/52.

C08F 2/00 (2006.01) C08F 2/02 (2006.01) C08F 2/04 (2006.01) C08F 2/34 (2006.01) C08F 4/42 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2007398

ABSTRACT OF THE DISCLOSURE Ziegler polymerization of .alpha.-olefins is disclosed which is characterized by a solid catalyst component used in the Ziegler-type catalyst. The solid catalyst component, Component (A), comprises Component (i) which is a solid catalyst component for a Ziegler-type catalyst comprising Ti, Mg and a halogen; Component (ii) which is a silicon compound represented by a formula R1R23-nSi(OR3)n wherein R1 indicates a branched hydrocarbyl group, R2 which may be the same as or different from R1 indicates a hydrocarbyl group, R3 which may be the same as or different from R1 and/or R2 indicates a hydrocarbyl group, and n is a number satisfying an equation 1 ? n ? 3; Component (iii) a halogen compound of S or P; and Component (iv) an organometal compound of a metal of Groups I to IV of the Periodic Table.

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