Olefin polymerization process

Details Olefin polymerization process Olefin polymerization process

1995-03-28

1996-01-02

Gibson, Sharon

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526160, 502113, 502117, 502103, 556175, 556179, 556183, C08F 444

Patent

active

054809487

ABSTRACT:
In accordance with the present invention, there is provided a solid organoaluminoxy product prepared by reacting an organoaiuminoxane with an oxygen-containing compound selected from the group consisting of organic peroxide, alkylene oxide, or organic carbonate. Further there is provided olefin polymerization catalyst systems comprising the solid organoaluminoxy product and a transition metal-containing catalyst. Still further there is provided processes for the polymerization of olefins using the catalyst systems.

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"Crystalline Catalysts Containing Al-O-Al or Zn-N-Zn Groups for Stereospecific Polymerization of Propylene Oxide", Hisaya Tani et al., Journal of the American Chemical Society, 89:1, pp. 173-174, Jan. 4, 1967.
"Ethylaluminum Oxide Catalysts from Et3AlOi--Et2AlCl Binary System in Relation to Species of AlEt3-Water Catalyst", Takeo Araki et al., Journal of Polymer Science, vol. 11, pp. 699-712, 1973.
"Behavior of the R2AlOAlR2 Catalyst in the Polymerization of Propylene Oxide", Ueyama et al., Macromolecules, vol. 7, No. 2, Mar.-Apr. 1974, pp. 153-160.
"Polymethylaluminum Oxide and Stereoregular Polymerization of Propylene Oxide", Oktem et al., Eur. Polymer J., vol. 29, No. 5, pp. 637-643, 1993.

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