C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/654 (2006.01) C08F 10/02 (2006.01) C08F 110/02 (2006.01)
Patent
CA 2374419
The present invention relates to a catalyst for homo-polymerization or co- polymerization of ethylene, or more particularly to a solid complex titanium catalyst for homo-polymerization or co-polymerization of ethylene, said catalyst being produced by preparing a magnesium solution by contact-reacting a halogenated magnesium compound with alcohol, reacting said solution with an ester compound having at least one hydroxy group and a silicon compound having an alkoxy group, and then reacting said solution with a mixture of a titanium compound and a silicon compound. The catalyst of the present invention has high activity with superior hydrogen sensitivity.
L'invention concerne un catalyseur pour l'homo/copolymérisation de l'éthylène, ou plus particulièrement un catalyseur au titane complexe solide pour l'homo/copolymérisation de l'éthylène. Ledit catalyseur est élaboré comme suit : préparation d'une solution de magnésium en réaction par contact entre un composé de magnésium halogéné et un alcool, réaction de ladite solution avec un composé estérique comportant au moins un groupe hydroxy et un composé à base de silicium comportant un groupe alcoxy, puis réaction de ladite solution avec un mélange de composé au titane et de composé au silicium. Le catalyseur considéré présente une activité élevée et une meilleure sensibilité vis-à-vis de l'hydrogène.
Mcfadden Fincham
Samsung Atofina Co. Ltd.
Samsung General Chemicals Co. Ltd.
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