Washing magnesium reducing agent prepared in absence of...

Details Washing magnesium reducing agent prepared in absence of... Washing magnesium reducing agent prepared in absence of...

C - Chemistry, Metallurgy

08

F

252/107, 402/645

C08F 4/02 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01)

Patent

CA 1096363

Abstract of the Disclosure An organic halide is added dropwise to magnesium metal in the absence of an ether or other complexing diluent, preferably in the absence of any extraneous diluent produce a magnesium reducing agent. The resulting magnesium reducing agent is then washed with an unreactive liquid hydrocarbon. An organoaluminum compound is mixed with the magnesium reducing agent either before or after the washing. The resulting cocatalyst produced by contacting the magnesium reducing agent with the organoaluminum compound is contacted with a titanium tetrahalide to give a catalyst. This catalyst is useful in the polymerization of 1-olefins and is of particular utility in the polymeri- zation of ethylene at high productivity rates.

271167

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