C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/434, 402/438
C08F 4/62 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1121326
ABSTRACT OF THE DISCLOSURE A catalyst suitable for polymerizing an .alpha.-olefin, comprising a solid catalyst component [A] and an organometal compound [B], the solid catalyst component [A] being prepared by reacting an organomsgnesium com- pound (1) soluble in a hydrocarbon medium and represented by the general formula, MgR1pR2qXr?Zs wherein R1 is a hydrocarbon group having 2 to 3 carbon atoms; R2 is a hydrocarbon group having 4 to 20 carbon atoms and the difference in number of carbon atoms between R1 and R2 is at least 2; X is an electronegative group having an oxygen atom, a nitrogen atom or a sulfur atom; Z is an organometal compound of aluminum, boron, beryllium, zinc, silicon or lithium; p and q each is a number above 0 to 1 r is a number from 0 to 1; p + q + r = 2; and s is a number above 0 to below 0.1, with a titanium and/or vanadium compound (2) having at least one halogen atom; and a process for polymerizin?; .alpha.-olefin employing the same catalyst.
339254
Furusato Masayasu
Ikegami Tadashi
Katayama Yoshihiko
Sakurai Hisaya
Asahi Kasei Kogyo Kabushiki Kaisha
Macrae & Co.
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