Treatment of transition metal compound

Details Treatment of transition metal compound Treatment of transition metal compound

1977-11-07

1979-07-17

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

526119, 526140, C08F 464

Patent

active

041614615

ABSTRACT:
A solid compound of a transition metal is ground in the presence of aluminium chloride; titanium tetrachloride and at least one specified organic sulphur-containing compound are added, the whole mixture is ground and the ground product is then washed with an aromatic liquid. The transition metal compound is typically titanium trichloride. The organic sulphur-containing compound can be a sulphone, a sulphonamide or a condensed ring system containing at least one heterocyclic sulphur atom. The organic sulphur-containing compound can be diphenylsulphone. The solid compound of the transition metal may be one which also includes aluminium chloride. The quantities of materials added to the transition metal compound are, for each mole of the transition metal compound, 0.10 up to 2.50 moles of the organic sulphur-containing compound, 0.01 up to 0.50 mole of titanium tetrachloride and 0.01 up to 2.50 moles of aluminium chloride. The ground and washed product can be used as a component of an olefine polymerization catalyst.

REFERENCES:
patent: 3026311 (1962-03-01), Coover et al.
patent: 3032510 (1962-05-01), Tornquist et al.
patent: 3094568 (1963-06-01), Hay et al.
patent: 3549717 (1970-12-01), Itakura et al.
patent: 3769233 (1973-10-01), Hermans et al.
patent: 3940345 (1976-02-01), Caunt
patent: 3972866 (1976-08-01), Fortuin et al.
patent: 4111834 (1978-09-01), Caunt et al.

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