Catalytic element containing titanium chloride for use...

Details Catalytic element containing titanium chloride for use... Catalytic element containing titanium chloride for use...

C - Chemistry, Metallurgy

08

F

252/109

C08F 4/16 (2006.01) C08F 4/14 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1085813

A B S T R A C T The invention relates to catalytic elements of formula TiC13 (A1C13)x (E, TiC14)y in which x is comprised between 0.08 and 0.19, E is an ether such that the complex (E, TiC14) is soluble at 55°C in titanium tetrachloride or an aromatic hydrocarbon and y is between 0.0003 and 0.03, having, in their X-ray diffraction spectrum, lines corresponding to planes of lattice distance 1.755 .ANG., 2.665 .ANG. and 5.81 .ANG. and whereof the dimension of the crystallites along the axis of symmetry corresponding to the lattice distance 5.81 .ANG. is between 190 .ANG. and 260 .ANG.. The catalytic elements of the present invention are useful in polymerizing .alpha.-olefins.

267312

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