Process for the production of polymer or copolymer of an olefin

Details Process for the production of polymer or copolymer of an olefin Process for the production of polymer or copolymer of an olefin

1979-04-13

1980-10-14

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 526140, 526351, 526906, C08F 464

Patent

active

042282624

ABSTRACT:
A solid compound of a transition metal is ground in the presence of aluminum 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 aluminum 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 aluminum 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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