发明授权
US4305920A Process for producing solid titanium trichloride 失效
生产固体三氯化钛的方法

Process for producing solid titanium trichloride
摘要:
A fine solid titanium trichloride is used as a catalyst for a polymerization of an .alpha.-olefin. The solid titanium trichloride is produced by precipitating it at lower than 150.degree. C. from a liquid titanium trichloride complex in the presence of an ester having the formula ##STR1## wherein R.sup.1 and R.sup.2 respectively represent a hydrocarbon moiety and total carbon atoms of R.sup.1 and R.sup.2 are 10 or more.
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