Magnesium reducing agent prepared in absence of complexing dilue

Details Magnesium reducing agent prepared in absence of complexing dilue Magnesium reducing agent prepared in absence of complexing dilue

1978-03-21

1980-02-19

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 252429C, 526144, 526151, 526352, 526906, C08F 466, C08F 1002

Patent

active

041895541

ABSTRACT:
A magnesium reducing agent is prepared by reacting an organic halide and magnesium metal in the absence of an ether or other complexing diluent, preferably in the absence of any extraneous diluent, to form a magnesium reducing agent which is thereafter milled with an organoaluminum compound to form a cocatalyst. In one embodiment the halide is added dropwise to the magnesium metal. The resulting milled product is thereafter contacted with a titanium tetrahalide to form a catalyst. This catalyst is suitable for olefin polymerization and particularly suitable for the polymerization of ethylene.

REFERENCES:
patent: 3109838 (1963-11-01), Chalt et al.
patent: 3392162 (1968-07-01), Ziegler et al.

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