Catalyst composition for use in the polymerization or copolymerization of olefins.

摘要

A catalyst composition for the polymerization or copolymerization of olefins composed of
<UnorderedLists id="ula01" listStyle="none"><ListItem>(A) a titanium component (a-1) or (a-2),
<UnorderedLists id="ula02" listStyle="none"><ListItem>(a-1) a highly active titanium component containing titanium, magnesium and halogen as essential ingredients, or</ListItem><ListItem>(a-2) a highly active titanium catalyst component obtained by treating component (a-1) with an organic compound containing active hydrogen bonded to oxygen, and</ListItem></UnorderedLists></ListItem><ListItem>(B) an organoaluminum compound component, characterised in that
<UnorderedLists id="ula03" listStyle="none"><ListItem>(i) when component (A) is the component (a-1), component (B) is an organoaluminum compound component obtained by treating a halogen-containing organoaluminum compound having a halogen/Al atomic ratio of at least 1/1 but less than 2/1 with a compound selected from water and organic compounds having active hydrogen bonded to oxygen, and</ListItem><ListItem>(ii) when component (A) is the component (a-2), the component (B) is a halogen-containing organoaluminum compound having a halogen/Al atomic ratio of at least 1/1 but less than 2/1, and the ratio of the amount (x) of the organic compound having active hydrogen atom bonded to oxygen and/or oxygen-containing group derived from said organic compound to the amount (y) of titanium x:y, is 4-100:1.</ListItem></UnorderedLists></ListItem></UnorderedLists>