Novel transition metal compounds, olefin polymerization catalyst components of this compound, olefin polymerization catalysts containing this catalyst component and olefin polymerization method using this catalyst, propylene homopolymers, propylene copolymers and propylene elastomers

摘要

The novel transition metal compound of the present invention is represented by the following formula (I).;M is a transition metal, R ¹ is a hydrocarbon group of 2-6 carbon atoms, R ² is an aryl group of 6-16 carbon atoms, X ¹ and X ² are halogen atoms; Y is a divalent hydrocarbon group, a divalent silicon containing group, etc.;The olefin polymerization catalyst component of the present invention includes the aforementioned transition metal compound, the olefin polymerization catalyst of the present invention includes the olefin polymerization catalyst component described above, and the propylene homopolymer, propylene copolymer and propylene elastomer of the present invention are propylene. The intrinsic viscosity measured in decahydronaphthalene at 135 ° C. is high in triadtaxity of the unit chain, the ratio of positional irregularity by 2,1-insertion of propylene monomer is within a specific range [ ] Has a specific range of properties.