Catalyst composition for polymerizing ethylene

Details Catalyst composition for polymerizing ethylene Catalyst composition for polymerizing ethylene

1987-06-29

1991-05-28

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526352, C08F 4651, C08F 4654, C08F 1002

Patent

active

050196332

ABSTRACT:
Catalyst compositions suitable for producing high density ethylene polymers in a low pressure gas phase process with low accompanying ethylene hydrogenation are produced by forming a precursor composition from a magnesium compound, titanium compound and electron donor compound; diluting said precursor composition with an inert carrier material; treating said diluted precursor compositon with a boron halide compound; and activating the precursor composition with an organo aluminum compound.

REFERENCES:
patent: 4209601 (1980-06-01), Kuroda et al.
patent: 4239650 (1980-12-01), Franke et al.
patent: 4343755 (1982-08-01), Miller et al.
patent: 4418184 (1983-11-01), Ueda et al.

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