Preparation of ethylene copolymers in fluid bed reactor

Details Preparation of ethylene copolymers in fluid bed reactor Preparation of ethylene copolymers in fluid bed reactor

C - Chemistry, Metallurgy

08

F

402/613, 402/622

C08F 2/34 (2006.01) C08F 4/64 (2006.01) C08F 210/02 (2006.01) C08F 210/16 (2006.01) C08J 5/18 (2006.01)

Patent

CA 1143897

ABSTRACT OF THE DISCLOSURE Ethylene copolymer having a density of ? 0.91 to ? 0.96 and a melt flow ration of ? 22 to ? 32 are readily produced in a low pressure gas phase process at a productivity of ? 50,000 pounds of polymer per pound of Ti with a particulate catalyst diluted with an inert carrier material and formed from selected organo aluminum compounds and a precursor composition of the formula: M8mTi1(OR)nXp[ED]q wherein ED is a selected electron donor compound. m is ? 0.5 to ? 56 n is 0 or 1 p is ? 6 to ? 116 q is ? 2 to ? 85 R is a C1 to C14 aliphatic or aromatic hydrocarbon radical, or COR' wherein R' is a C1 to C14 aliphatic or aromatic hydrocarbon radical, and X is selected from the group consisting of C1, Br, I, or mixtures thereof.

324724

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