Oligomerization of ethylene

Details Oligomerization of ethylene Oligomerization of ethylene

1975-08-18

1977-06-28

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 310

Patent

active

040325903

ABSTRACT:
Ethylene is oligomerized to predominantly .alpha.-olefins, principally butene-1 with some hexene-1, by contacting it with a catalyst comprising the product of reacting a weak field ligand complex of a Group VIII metal with a particulate inorganic oxide possessing sufficient Bronsted acidity to displace one of the ligands from the complex, in the presence of a Group I to III metal hydrocarbyl. Nickel and cobalt are preferred metals, typical weak field ligands being acetylacetonate and carboxylate. Preferred inorganic oxide supports are aluminium and zirconium phosphates. Selectivities of >90% may be obtained.

REFERENCES:
patent: 3652687 (1972-03-01), Bergem et al.
patent: 3697617 (1972-10-01), Yoo et al.
patent: 3725306 (1973-04-01), Yoo
patent: 3755490 (1973-08-01), Yoo

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