Aluminoxane process

Details Aluminoxane process Aluminoxane process

1988-12-05

1990-03-13

Shaver, Paul F.

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

Organic compounds

Aluminum containing

C07F 506

Patent

active

049084631

ABSTRACT:
Hydrocarbylaluminoxanes, especially methylaluminoxane, having high catalytic activity in the polymerization of olefins are made in high yield and low gel content by impinging (1) a solution of a hydrocarbyl aluminum, e.g. trimethyl aluminum, in an inert solvent, e.g. toleune, with (2) a water dispersion in an inert solvent (e.g. toluene) in a T-shaped reactor such that the hydrocarbyl aluminum and water immediately react to form an aluminoxane solution which is promptly removed from the T-shaped reactor through its third arm. The water dispersion is formed by passing a solvent/water mixture through a static mixer which comprises a plurality of deflection vanes forming a tortuous path through the static mixer causing extremely turbulent flow.

REFERENCES:
patent: 3300458 (1967-01-01), Manyik et al.
patent: 4730071 (1988-03-01), Schoenthal et al.
patent: 4730072 (1988-03-01), Schoenthal et al.
patent: 4772736 (1988-09-01), Edwards et al.

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