Process for the preparation of high density ethylene...

Details Process for the preparation of high density ethylene... Process for the preparation of high density ethylene...

C - Chemistry, Metallurgy

08

F

402/613, 402/645

C08F 2/34 (2006.01) C08F 10/02 (2006.01) C08F 110/02 (2006.01) C08F 210/16 (2006.01)

Patent

CA 1118149

ABSTRACT OF THE DISCLOSURE A catalytlc process for preparing ethylene polymers having a density of ? 0.94 to ? 0.97 and a melt flow ratio of about ? 22 to ? 32 in a low pressure gas phsse process at a productlvity of ? 50,000 pounds of polymer per pound of Ti with a catalyst formed from selected organoaluminum compounds and a precursor composition of the formula MgmTi1(OR)nXp(ED)q wherein ED is a selected electron donor compound m is ? 0.5 to ? 56 n is 0, 1 or 2 p is ? 2 to ? 116 q is > 1.5m + 2 R is a C1 to C14 aliphatic or aromatic hydro- carbon radical, or COR' whereln R' is a C1 to C14 aliphatic or aromatic hydrocarbon radical, and X is selected from the group consisting of Cl, Br, I or mixtures thereof, which catalyst is in particulate form and impregnated in a porous inert carrier material.

324360

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