C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
252/97
C08F 4/68 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1205448
ABSTRACT Method of preparing a supported Ziegler-catalyst active in the polymerisation of alpha-olefins to polymers particularly suited to working by blow-moulding, by reacting: A) an organometallic compound of aluminium, and B) the product of the reaction of titanium and vanadium halides with a solid support obtained by the spray drying of magnesium chloride in a mixed solution of ethanol and methanol, the support containing both ethanolic and me- thanolic alcoholic hydroxyl groups.
440597
Invernizzi Renzo
Ligorati Ferdinando
Enichimica Secondaria S.p.a.
Fetherstonhaugh & Co.
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