Spray dried olefin polymerization catalyst

Details Spray dried olefin polymerization catalyst Spray dried olefin polymerization catalyst

C - Chemistry, Metallurgy

08

F

402/641, 252/52.

C08F 4/62 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1162905

ABSTRACT OF THE DISCLOSURE: A suspension which comprises an inert liquid medium, a solid material, and a transition metal compound is dried using a spray-drying technique. The spray-drying is effected under conditions of temperature and pressure which are such as to cause evaporation of the liquid medium. The solid material is preferably in a finely- divided form. The solid material may consist essentially of a transition metal compound or may be a transition metal compound which is supported on a suitable solid inert matrix material. Alternatively, a suspension of a solid support material in a solution of a transition metal compound may be used. The dried solid is obtained as an agglomerate. The agglomerated solid can be mixed with an organic compound of a non-transition metal to give an olefin polymerisation catalyst system.

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