Organic transition metal compound having .pi.-bonding heterocyclic ligand and method of polymerizing olefin by using the same
AssigneeTosoh Corporation
InventorsMakoto Sone, Akihiro Yano
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Abstract
A transition metal organometallic compound comprising a transition metal in any one of group 3A to group 8 of the periodic table and cyclic compounds containing a heteroaom in group 5 or group 5B of the periodic table and having a cyclic structure including a .pi.-bonded portion and composed of said heteroatom and said .pi.-bonded portion, wherein said transition metal has a bond of a .pi.-binding heterocylic ligand, said heteroatom and said .pi.-bonded portion and a catalyst for polymerizing olefin comprising the above organic metal compound and an organic compound.
Claims5
A catalyst for polymerizing olefin, comprising a transition metal organometallic compound and an organometallic compound as components thereof,
- wherein said transition metal organometallic compound comprises a transition metal in any one of group 3 to group 10 of the periodic table and cyclic compounds containing a heteroatom in group 15 of the periodic table and having a cyclic structure including a .pi.-bonded portion and composed of said heteroatom and said .pi.-bonded portion, wherein said transition metal has a bond of a .pi.-bonding heterocyclic ligand, said heteroatom and said .pi.-bonded portion, and
- said organometallic compound comprises a metal selected from the group consisting of metals of groups 1, 2, 12 and 13 of the periodic table.
Dependencies are inferred from the claim text.