C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/610, 402/638
C08F 10/02 (2006.01) C08F 4/68 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1220189
ABSTRACT OF THE DISCLOSURE A solution process, and a catalyst therefor, for the preparation of high molecular weight polymers of .alpha.-olefins viz. homopolymers of ethylene and copolymers of ethylene and C3-C12 .alpha.-olefins, is disclosed. The process is operated under solution polymerization conditions at 105- 320°. The catalyst is obtained from titanium tetrahalides, vanadium oxytrihalides and organoaluminum compounds, in which an admixture of catalyst components is heat-treated at 150- 320°C, and activated with an alkyl siloxalane. The catalyst has good activity and the polymer obtained has improved colour.
458019
Hamilton Michael A.
Harbourne David A.
Mulhaupt Rolf
Russell Charles G.
Zboril Vaclav G.
Du Pont Canada Inc.
Mccallum Brooks & Co.
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