Alkene polymerization process and catalyst compositions therefor

Details Alkene polymerization process and catalyst compositions therefor Alkene polymerization process and catalyst compositions therefor

1989-10-25

1991-01-29

Garvin, Patrick P.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526351, 502108, 502110, C08F 4655

Patent

active

049887823

ABSTRACT:
Catalysts compositions enabling the production of polyalkenes with improved bulk density are prepared by combining the following catalyst components in the following order of addition: first introducting an electron donor component, then adding a reaction product of a di-alkylaluminium halide and a solid component comprising a magnesium di-halide, an electron donor and a halide of tetravalent titanium and lastly adding a tri-alkylaluminium compound.

REFERENCES:
patent: 4347158 (1982-10-01), Kaus et al.
patent: 4461846 (1984-07-01), Harris et al.
patent: 4618661 (1986-10-01), Kaus et al.

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