Method for polymerizing .alpha.-olefin

Details Method for polymerizing .alpha.-olefin Method for polymerizing .alpha.-olefin

C - Chemistry, Metallurgy

08

F

402/645

C08F 2/00 (2006.01) C08F 10/00 (2006.01) C08F 4/66 (1980.01)

Patent

CA 1123998

METHOD FOR POLYMERIZING .alpha.-OLEFIN ABSTRACT OF THE DISCLOSURE Poly-.alpha.-olefin having an excellent H. I. is produced with an excellent yield by bringing, in the presence of an organic acid ester, a feed, containing at least one .alpha.-olefin having 3 or more carbon atoms, into contact with a catalyst which comprises (A) a solid catalytic ingredient prepared (a) by reacting a Grignard compound with an aluminium halide-tetraalkoxysilane reaction product, (b) bringing the resultant reaction product into a first contact with titanium tetrahalide, (c) treating the resultant titanium-containing solid product with an organic acid ester, and, finally, (d) bringing the treated solid product into a second contact with titanium tetrahalide, and; (B) another catalytic ingredient consisting of a trialkyl aluminium.

351641

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