Process for preparing solid titanium trichloride useful for the

Details Process for preparing solid titanium trichloride useful for the Process for preparing solid titanium trichloride useful for the

1983-06-29

1985-08-13

Carter, H. T.

Chemistry of inorganic compounds

Halogen or compound thereof

Binary compound containing metal

502227, 585524, C01G 2302

Patent

active

045349533

ABSTRACT:
A process for preparing solid titanium trichloride useful for the polymerization of an .alpha.-olefin, which comprises precipitating violet-colored fine solid particles of titanium trichloride at a temperature of not higher than 150.degree. C. from a liquid of titanium trichloride liquefied in the presence of an ether, characterized in that after the amount of the precipitated violet-colored fine solid particles of titanium trichloride reaches at least 80% based on the total amount of titanium trichloride in the system, titanium tetrachloride is added in an amount within a molar ratio of from 0.2 to 10 based on the total amount of titanium trichloride in the system, followed by aging at a temperature of from 60.degree. to 120.degree. C.

REFERENCES:
patent: 3769233 (1973-10-01), Hermans et al.
patent: 3979372 (1976-09-01), Bend et al.
patent: 4060593 (1977-11-01), Kazuo et al.
patent: 4195069 (1980-03-01), Kortbeek et al.
patent: 4305920 (1981-12-01), Hasuo et al.
patent: 4434081 (1984-02-01), Takahashi et al.

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