摘要 |
A process for removing one or more contaminants of the formula TiCl3OR, in which R is an alkyl or aryl group, from a liquid phase comprising TiCl4, characterized in that the contaminants are reacted with an organic acid halide <IMAGE> in which R' is an aryl or alkyl group, to precipitate an addition complex of the formula <IMAGE> in which n is a number of from 0.3 to 3.0, and the addition complex is separated from the liquid phase. |