Process for the production of a catalyst component for use in th

Details Process for the production of a catalyst component for use in th Process for the production of a catalyst component for use in th

1976-11-23

1978-11-28

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

526142, 526159, C08F 464

Patent

active

041275055

ABSTRACT:
The invention relates to a process for the production of a catalyst component for use in the polymerization of .alpha.-olefins, which comprises reacting titanium tetrachloride with a dialkylaluminum monohalide and monoalkylaluminum dihalide, said dialkylaluminum monohalide being in a proportion of at least equimolar to said titanium tetrachloride, to thus obtain a violet reduced solid, then removing aluminum compounds contained in said reduced solid and further activating with a mixture or complex of titanium tetrachloride and a dialkyl ether of the general formula ROR' wherein R and R' are the same or different and are (a) alkyl groups having 1-4 carbon atoms, (b) normal alkyl groups having 5 carbon atoms or (c) alkyl groups having 6-20 carbon atoms and to a catalyst component prepared by the process of the invention.

REFERENCES:
patent: 3769233 (1973-10-01), Hermans et al.
patent: 3825524 (1974-07-01), Wada et al.
patent: 3862257 (1975-01-01), Buben et al.
patent: 3960765 (1976-06-01), Shiga et al.
patent: 3984350 (1976-10-01), Karayannis et al.
patent: 4062804 (1977-12-01), Ueno et al.
patent: 4064069 (1977-12-01), Ueno et al.

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