Process for producing olefin polymers

Details Process for producing olefin polymers Process for producing olefin polymers

C - Chemistry, Metallurgy

08

F

252/107, 402/643

C08F 4/64 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1206467

Abstract of the Disclosure A process for producing a polymer or copolymer of an olefin which comprises polymerizing or copolyme- rizing at least one olefin with or without a diolefin in the presence of a catalyst composed of (A) a magnesium- containing solid titanium catalyst component containing magnesium, titanium, a halogen and an electron donor as essential ingredients and (B) an organoaluminum com- pound catalyst component; characterized in that (1) said catalyst further comprises (C) an organic silicon compound catalyst component having an Si-O-C or Si-N-C bond, and (2) said electron donor in the catalyst com- ponent (A) is selected from the group consisting of a cyclic mono- or poly-ester (a), (b), (c), (d), (e) and (f) specified in the claims.

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