Polymerization catalyst comprising copulverized solid magnesium

Details Polymerization catalyst comprising copulverized solid magnesium Polymerization catalyst comprising copulverized solid magnesium

1984-08-13

1986-01-28

Konopka, P. E.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502117, 502127, 502133, 502134, 502226, 526114, 526125, C08F 472, C08F 464

Patent

active

045671532

ABSTRACT:
An olefin polymerization catalyst produced by copulverizing a magnesium compound and a scandium halide, such as magnesium chloride and scandium chloride which is thereafter treated with one or more Group 4b or 5b transition metal compounds, which when used as a cocatalyst with an organoaluminum compound produces polymers in higher yields than magnesium compounds copulverized with organic esters as previously practiced and having broad molecular weight distribution.

REFERENCES:
patent: 2907757 (1959-10-01), Merckling
patent: 4143223 (1979-03-01), Toyota et al.
patent: 4384982 (1983-05-01), Martin
patent: 4384984 (1983-05-01), Mink et al.
patent: 4393182 (1983-07-01), Goodall et al.

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