Patent ID: 6521725
Filing Date: 2003-02-18
Classification: C08F

Abstract:
A process for producing a catalyst for olefin polymerization, which comprises the step of contacting with one another:(i) a solid catalyst component containing at least titanium, magnesium and halogen atoms, (ii) an organoaluminum compound, and (iii) a compound selected from the group consisting of (a) an oxygen-containing compound having a structure wherein at least two hydrocarbyloxy groups are bound to the same carbon atom, and (b) a cyclic ketone compound, wherein the solid catalyst component is produced by a process comprising the step of contacting (a) a solid catalyst component precursor containing a magnesium atom, a titanium atom and a hydrocarbyloxy group, (b) a halogeno compound having a capability of halogenation and (c) an electron donor with one another.