Phosphated silica-chromium catalyst with boron- containing...

Details Phosphated silica-chromium catalyst with boron- containing... Phosphated silica-chromium catalyst with boron- containing...

C - Chemistry, Metallurgy

08

F

252/103, 402/631

C08F 4/22 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01)

Patent

CA 1159042

Abstract of the Disclosure A catalyst system suitable for olefin polymerization comprising a catalyst component made up of chromium on a phosphated silica-containing base and a boron-containing cocatalyst. The resulting catalyst is particularly sensitive to the effects of hydrogen as a molecular weight control agent, thus allowing the production of polymers of having a melt flow varying over a wide spectrum utilizing the same catalyst.

385216

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