Process for the preparation of oligomeric aluminoxanes

Details Process for the preparation of oligomeric aluminoxanes Process for the preparation of oligomeric aluminoxanes

1983-10-31

1985-10-01

Sneed, Helen M. S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Aluminum containing

556175, 556187, 526352, 585502, C07F 506

Patent

active

045447624

ABSTRACT:
The present invention relates to a process for the preparation of oligomeric alkylaluminoxanes of the general formulae: ##STR1## in which R=C.sub.1 -C.sub.6 -alkyl, preferably methyl, and n=2-40, preferably 10-20, by reacting aluminum salts containing water of crystallization, preferably aluminum sulfate containing water of crystallization, with an aluminum trialkyl, preferably aluminum trimethyl. Aluminoxanes of this type can be used as a catalyst component in the preparation of high-activity, homogeneous Ziegler catalysts.

REFERENCES:
patent: 2952695 (1960-09-01), Stedehouder et al.
patent: 2979497 (1961-04-01), Rinse
patent: 3054816 (1962-09-01), Rinse
patent: 3055847 (1962-09-01), Woods et al.
patent: 3657149 (1972-04-01), Vandenberg
patent: 4055634 (1977-10-01), Brenner et al.
Mole et al., Organoaluminum Compounds, Elsevier Publ. Co., N.Y., pp. 211-215, 224-228, (1972).
Nesmeyanov et al., The Organic Compounds of Boron, Aluminum, Gallium, Indium and Thallium, North-Holland Publ. Co., Amsterdam, pp. 456-458, 474-481, (1967).

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