Transition metal compound

Details Transition metal compound Transition metal compound

1976-06-16

1981-01-06

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 525247, 526 65, 526139, 526351, C08F 466, C08F 1006

Patent

active

042437822

ABSTRACT:
A reaction product of a transition metal compound, for example titanium tetrachloride, and an organo-compound of a non-transition metal, for example an aluminium dialkyl halide, is treated with a sulphur containing organic compound, in an amount of up to 2.00, preferably up to 1.50 molar relative to the transition metal compound. The mixture is heated to a temperature in the range from 60.degree. C. up to 160.degree. C. Before treating with the sulphur compound, the reaction product can be heated to a temperature of up to 160.degree. C. The Lewis Base compound is a sulphone, a sulphonamide or a fused-ring heterocyclic compound such as phenoxathiin. The product obtained can be used as a component of an olefine polymerization catalyst.

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patent: 3639515 (1972-02-01), Hagermeyer et al.
patent: 3670053 (1972-06-01), Sennari et al.
patent: 3825524 (1974-07-01), Wada et al.
patent: 3972866 (1976-08-01), Fortuin et al.

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