Olefin polymerization catalyst and process for producing olefin polymer with the catalyst

1. An olefin polymerization catalyst, which comprises:

(A) a transition metal compound or lanthanoid compound containing two or more atoms selected from the group consisting of boron, nitrogen, oxygen, phosphorus, sulfur, and selenium; and

(B) a Lewis acid selected from the group of compounds (b-1) to (b-4) below:

(b-1) ionic-bonding compounds having a CdCl 2 type or a CdI 2 type of layered crystal structure;

(b-2) clay•clay minerals, or ion-exchange layered compounds;

(b-3) heteropoly-compounds; and

(b-4) halogenated lanthanoid compounds.

2. An olefin polymerization catalyst, according to claim 1 which further comprises

(C) an oxygen-containing compound or nitrogen-containing compound.

3. The olefin polymerization catalyst according to claim 1 , wherein the catalyst is prepared from

(A) a transition metal compound or lanthanoid compound containing two or more atoms selected from the group consisting of boron, nitrogen, oxygen, phosphorus, sulfur, and selenium;

(B) a Lewis acid selected from the group of compounds (b-1) to (b-4) below:

(b-1) ionic-bonding compounds having a CdCl 2 type or a CdI 2 type of layered crystal structure;

(b-2) clay•clay minerals, or ion-exchange layered compounds;

(b-3) heteropoly-compounds; and

(b-4) halogenated lanthanoid compounds;

(C) an oxygen-containing compound or nitrogen-containing compound; and optionally

(D) an inactivating compound which is capable of reacting with said oxygen-containing compound or nitrogen-containing compound

(C) to make the oxygen-containing compound or nitrogen-containing compound inactive to the compound (A).

4. The olefin polymerization catalyst as claimed in any one of claims 1 to 3 , wherein the transition metal compound or lanthanoid compound (A) is selected from the compounds represented by Formulas (I) to (XXXII):

wherein M 1 represents a transition metal atom selected from Groups 3-11 of Periodical Table;

k represents an integer of 1-6;

m represents an integer of 1-6;

A represents an oxygen atom, a sulfur atom, a selenium atom, or a nitrogen atom having a substituent —R 6 ;

D represents a nitrogen atom, a phosphorus atom, or a carbon atom having a substituent —R 7 ;

R 1 -R 7 may be the same or different and R 1 -R 7 represent a hydrogen atom, a halogen atom, a hydrocarbon group, a heterocyclic compound residue, an oxygen-containing group, a nitrogen-containing group, a boron-containing group, a sulfur-containing group, a phosphorus-containing group, a silicon-containing group, a germanium-containing group, or a tin-containing group; and two or more thereof may be joined together to form one or more rings; when m is 2 or more, two or more of R 1 groups, of R 2 groups, of R 3 groups, of R 4 groups, of R 5 groups, of R 6 groups, and of R 7 groups may be the same or different; and when m is 2 or more, one of the R 1 -R 7 groups in one ligand and one of the R 1 -R 7 groups in another ligand may form a bonding group or a single bond; and a heteroatom contained in the R 1 -R 7 groups may be coordinated with M 1 or bonded to M 1 ;

n represents a number satisfying the valence of M 1 ;

X 1 represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing groups; the plural X 1 groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M 2 represents a transition metal atom selected from Groups 3-11 of Periodical Table;

k′ represents an integer of 1-6;

m′ represents an integer of 1-6;

G represents an oxygen atom, a sulfur atom, a selenium atom, or a nitrogen atom having a substituent —R 12 ;

E represents —R 13 and —R 14 both bonding to N, or ═C(R 15 )R 16 ;

R 8 -R 16 may be the same or different and R 8 -R 16 represent a hydrogen atom, a halogen atom, a hydrocarbon group, a heterocyclic compound residue, an oxygen-containing group, a nitrogen-containing group, a boron-containing group, a sulfur-containing group, a phosphorus-containing group, a silicon-containing group, a germanium-containing group, or a tin-containing group; and two or more thereof may be joined together to form one or more rings, excluding aromatic rings formed by joining of R 8 and R 13 or R 8 and R 14 ; one of the R 8 -R 16 groups in one ligand and one of the R 8 -R 16 groups in another ligand may form a bonding group or a single bond when m′ is 2 or more; two or more of R 8 groups, of R 9 groups, of R 10 groups, of R 11 groups, of R 12 groups, of R 13 groups, of R 14 groups, of R 15 groups, and of R 16 groups may be the same or different; and a heteroatom contained in the R 8 -R 16 groups may be coordinated with M 2 or bonded to M 2 ;

n represents a number satisfying the valence of M 2 ; and

X 2 represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing groups; and the plural X 2 groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M 3 represents a transition metal atom selected from Groups 3-11 of Periodical Table;

k″ represents an integer of 1-6;

m″ represents an integer of 1-6;

J represents a nitrogen atom, a phosphorus atom, or a carbon atom having a substituent —R 18 ;

T represents a nitrogen atom, or a phosphorus atom;

L represents a nitrogen atom, a phosphorus atom, or a carbon atom having a substituent —R 19 ;

Q represents a nitrogen atom, a phosphorus atom, or a carbon atom having a substituent —R 20 ;

R represents a nitrogen atom, a phosphorus atom, or a carbon atom having a substituent —R 21 ;

R 17 -R 21 may be the same or different and R 17 -R 21 represent a hydrogen atom, a halogen atom, a hydrocarbon group, a heterocyclic compound residue, an oxygen-containing group, a nitrogen-containing group, a boron-containing group, a sulfur-containing group, a phosphorus-containing group, a silicon-containing group, a germanium-containing group, or a tin-containing group; and two or more thereof may be joined together to form one or more rings; one of the groups of R 17 -R 21 in one ligand and one of the groups of R 17 -R 21 in another ligand may form a bonding group or a single bond when m″ is 2 or more; two or more of R 17 groups, of R 19 groups, of R 19 groups, of R 20 groups, and of R 21 groups may be the same or different; and a heteroatom contained in the R 17 -R 21 groups may be coordinated with M 3 or bonded to M 3 ;

n represents a number satisfying the valence of M 3 ;

X 3 represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing groups; and the plural X 3 groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-7 of Periodical Table;

R 1 -R 6 may be the same or different and R 1 -R 6 represent a hydrogen atom, a halogen atom, a hydrocarbon group, a heterocyclic compound residue, an oxygen-containing group, a nitrogen-containing group, a boron-containing group, a sulfur-containing group, a phosphorus-containing group, a silicon-containing group, a germanium-containing group, or a tin-containing group; and two or more thereof may be joined together to form an aromatic ring, an aliphatic ring, or a heteroatom-containing hydrocarbon ring, and the ring may have one or more additional substituents;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing groups; the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 8-11 of Periodical Table;

R 1 -R 6 may be the same or different and R 1 -R 6 represent a hydrogen atom, a halogen atom, a hydrocarbon group, a heterocyclic compound residue, an oxygen-containing group, a nitrogen-containing group, a boron-containing group, a sulfur-containing group, a phosphorus-containing group, a silicon-containing group, a germanium-containing group, or a tin-containing group; and two or more thereof may be joined together to form an aromatic ring, an aliphatic ring, or a heteroatom-containing hydrocarbon ring, and the ring may have one or more additional substituents;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing groups; the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodical Table;

m represents an integer of 1-6;

R 1 -R 6 may be the same or different and R 1 -R 6 represent a hydrogen atom, a halogen atom, a hydrocarbon group, a heterocyclic compound residue, an oxygen-containing group, a nitrogen-containing group, a boron-containing group, a sulfur-containing group, a phosphorus-containing group, a silicon-containing group, a germanium-containing group, or a tin-containing group; and two or more thereof may be joined together to form an aromatic ring, an aliphatic ring, or a heteroatom-containing hydrocarbon ring, and the ring may have one or more additional substituents;

n represents a number satisfying the valence of M; and

X represents an oxygen atom when n is 1, and when n is 2 or more, at least one X is an oxygen atom, and other X is a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing groups; the plural X groups may be the same or different and may be joined together to form one or more rings;

wherein M represents a transition metal atom selected from Groups 3-6 of Periodic Table;

R and R′ may be the same or different and R and R′ represent a hydrogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an organic silyl group, or a substituent having at least one element selected from nitrogen, oxygen, phosphorus, sulfur, and silicon;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group; the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 4 or 5 of Periodic Table;

R 1 -R 10 may be the same or different and R 1 -R 10 represent a hydrogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an organic silyl group, or a hydrocarbon group substituted with a substituent having at least one element selected from nitrogen, oxygen, phosphorus, sulfur, and silicon; and the groups of R 1 -R 10 may be joined together to form one or more rings;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group; the plural X groups may be the same or different when n is 2 or more; and

Y represents an atom of Group 15 or 16 of Periodic Table;

wherein M represents a transition metal atom selected from Groups 4 or 5 of Periodic Table;

R 1 -R 6 and R 7 -R 10 may be the same or different and R 1 -R 6 and R 7 -R 10 represent a hydrogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an organic silyl group, or a hydrocarbon group substituted with a substituent having at least one element selected from nitrogen, oxygen, phosphorus, sulfur, and silicon; and any of the R 1 -R 6 groups and the R 7 -R 10 groups may be joined together to form one or more rings;

m represents an integer of 1-6;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group; the plural X groups may be the same or different when n is 2 or more; and

Y represents an atom of Group 15 or 16 of Periodic Table;

wherein M represents a transition metal atom selected from Groups 3- 6 of Periodic Table;

R and R′ may be the same or different and R and R′ represent a hydrogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an organic silyl group, or a substituent having at least one element selected from nitrogen, oxygen, phosphorus, sulfur, and silicon;

m represents an integer of 0-2;

n represents an integer of 1-5;

A represents an atom of Group 13-16 of Periodic Table, and when n is 2 or more, the plural A atoms may be the same or different;

E represents a substituent having at least one element selected from carbon, hydrogen, oxygen, halogen, nitrogen, sulfur, phosphorus, boron, and silicon; the plural E substituents may be the same or different, and two or more of the E substituents may be joined together to form one or more rings;

p is a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group; the plural X groups may be the same or different when p is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodic Table;

m represents an integer of 0-3;

n represents an integer of 0-1;

p represents an integer of 1-3;

R 1 -R 8 may be the same or different and R 1 -R 8 represent a hydrogen atom, a halogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group, and two or more thereof may be joined together to form one or more rings;

q represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group; the plural X groups may be the same or different when q is 2 or more;

Y represents a group forming a bridge between A and a boratabenzene ring when m is 1-3, and is a carbon atom, a silicon atom, or a germanium atom; and

A is an atom of Groups 14-16 of Periodic Table;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodic Table;

A and A′ may be the same or different and A and A′ represent a hydrocarbon group, a halogenated hydrocarbon group; a hydrocarbon group having an oxygen-containing group, a sulfur-containing group, or a silicon-containing group; a halogenated hydrocarbon group having an oxygen-containing group, a sulfur-containing group, or a silicon-containing group;

D may be present or absent, and when present, D is a group forming a bridge between A and A′, D represents a hydrocarbon group, a halogenated hydrocarbon group, an oxygen atom, a sulfur atom, or a group represented by R 1 R 2 Z wherein R 1 and R 2 may be the same or different and R 1 and R 2 represents a hydrocarbon group or a hydrocarbon group containing at least one heteroatom, and may be joined together to form a ring, and Z represents a carbon atom, a nitrogen atom, a sulfur atom, a phosphorus atom, or a silicon atom, and A and A′ may be directly bonded;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group; the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodic Table;

m represents an integer of 1-6;

A and A′ may be the same or different and A and A′ represent a hydrocarbon group, a halogenated hydrocarbon group; a hydrocarbon group having an oxygen-containing group, a sulfur-containing group, or a silicon-containing group; or a halogenated hydrocarbon group having an oxygen-containing group, a sulfur-containing group, or a silicon-containing group;

D may be present or absent, and when present, D is a group forming a bridge between A and A′, D represents a hydrocarbon group, a halogenated hydrocarbon group, an oxygen atom, a sulfur atom, or a group represented by R 1 R 2 Z wherein R 1 and R 2 may be the same or different and R 1 and R 2 represents a hydrocarbon group or a hydrocarbon group containing at least one heteroatom, and may be joined together to form a ring, and Z represents a carbon atom, a nitrogen atom, a sulfur atom, a phosphorus atom, or a silicon atom; and

A and A′ may be directly bonded;

n represents a number satisfying the valence of M;

X represents an oxygen atom when n is 1, and at least one X is an oxygen atom, and other X is a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group when n is 2 or more; the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodic Table;

Y may be the same or different, Y represents an atom of Group 13-15 of Periodic Table and at least one of the Y atoms is other than carbon;

m represents an integer of 1-6;

R 1 -R 5 are present when the atom Y to be bonded thereto is an atom of Group 14 of Periodic Table, and may be the same or different and represent a hydrogen atom, a halogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an organic silyl group, or a hydrocarbon group substituted with a substituent containing at least one element selected from nitrogen, oxygen, phosphorus, sulfur, and silicon; and two or more of the groups R 1 -R 5 may be joined to form one or more rings;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group; the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodic Table;

m represents an integer of 1-6;

R may be the same or different and R represents a hydrogen atom, a hydrocarbon group, or a halogenated hydrocarbon group; two or more thereof may be joined together to form one or more rings;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group; the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more; and

Y may be present or absent, and when present, Y is an atom selected from the atoms of Groups 15 and 16 of Periodic Table;

wherein M represents a transition metal atom selected from Groups 3-7 and 11 of Periodic Table;

R 1 -R 4 represent a hydrocarbon group, a halogenated hydrocarbon group, an organic silyl group, or a hydrocarbon group substituted with a substituent containing at least one element selected from nitrogen, oxygen, phosphorus, sulfur, and silicon; two or more of R 1 -R 4 may be joined to form one or more rings;

n represents a number satisfying the valence of M; and

X represents a hydrogen atom, a halogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group; the plural X groups may be the same or different when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 8-10 of Periodic Table;

R 1 -R 4 may be the same or different and R 1 -R 4 represent a hydrocarbon group, a halogenated hydrocarbon group, an organic silyl group, or a hydrocarbon group substituted with one or more substituents containing at least one element selected from nitrogen, oxygen, phosphorus, sulfur, and silicon; two or more of the R 1 -R 4 groups may be joined to form one or more rings;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group; the plural X groups may be the same or different when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodic Table;

m represents an integer of 1-6;

R 1 -R 4 may be the same or different and represent a hydrocarbon group, a halogenated hydrocarbon group, an organic silyl group, or a hydrocarbon group substituted with one or more substituents containing at least one element selected from nitrogen, oxygen, phosphorus, sulfur, and silicon; two or more of the R 1 -R 4 groups may be joined to form one or more rings;

n represents a number satisfying the valence of M;

X represents an oxygen atom when n is 1; when n is 2 or more, at least one X represents an oxygen atom, and the rest of the X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, or a nitrogen-containing group; the plural X groups may be the same or different when n is 2 or more;

wherein Y 1 and Y 3 represent respectively an atom of Group 15 of Periodic Table, and Y 2 represents an atom of Group 16 of Periodic Table;

R 1 -R 8 may be the same or different and represent a hydrogen atom, a halogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, or a silicon-containing group; two or more of thereof may be joined to form one or more rings;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodic Table;

m represents an integer of 1-6;

A represents an oxygen atom, a sulfur atom, a selenium atom, or a nitrogen atom having a substituent —R 5 ;

D represents a group of —C(R 6 ) (R 7 )—, —Si (R 8 ) (R 9 )—, —P(O)(R 10 )—, —P(R 11 )—, —SO—, or —S—;

Z represents groups of —R 12 and —R 13 both bonding to N, ═C(R 14 )R 15 , or ═NR 16 ;

R 1 -R 16 may be the same or different and represent a hydrogen atom, a halogen atom, a hydrocarbon group, a heterocyclic compound residue, an oxygen-containing group, a nitrogen-containing group, a boron-containing group, a sulfur-containing group, a phosphorus-containing group, a silicon-containing group, a germanium-containing group, or a tin-containing group; and two or more thereof may be joined together to form one or more rings; when m is 2 or more, two of the R 1 -R 16 groups may be linked together;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing, group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing group; the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodic Table;

m represents an integer of 1-3;

m′ represents an integer of 1-6;

E represents a nitrogen atom, or a carbon atom having a substituent —R 5 ;

G represents an oxygen atom, a sulfur atom, a selenium atom, or a nitrogen atom having a substituent —R 6 ;

R 1 -R 6 may be the same or different and represent a hydrogen atom, a halogen atom, a hydrocarbon group, a heterocyclic compound residue, an oxygen-containing group, a nitrogen-containing group, a boron-containing group, a sulfur-containing group, a phosphorus-containing group, a silicon-containing group, a germanium-containing group, or a tin-containing group; and two or more thereof may be joined together to form one or more rings; two of the groups R 1 -R 6 may be linked together when m or m′ is 2 or more;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing group; the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodic Table;

m represents an integer of 1-6;

A represents an oxygen atom, a sulfur atom, a selenium atom, or a nitrogen atom having a substituent —R 5 ;

B represents groups of —R 6 and —R 7 both bonding to N, ═C(R 8 )R 9 , or ═NR 10 ;

R 1 -R 10 may be the same or different and represent a hydrogen atom, a halogen atom, a hydrocarbon group, a heterocyclic compound residue, an oxygen-containing group, a nitrogen-containing group, a boron-containing group, a sulfur-containing group, a phosphorus-containing group, a silicon-containing group, a germanium-containing group, or a tin-containing group; and two or more thereof may be joined together to form one or more rings; when m is 2 or more, one of the R 1 -R 10 groups of one ligand and one of the R 1 -R 10 groups of another ligand may be linked together, and two or more of the R 1 groups, of the R 2 groups, of the R 3 groups, of the R 4 groups, of the R 5 groups, of the R 6 groups, of the R 7 groups, of the R 8 groups, of the R 9 groups, or of the R 10 groups may be the same or different;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing group; the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3 and 4 of Periodic Table;

A 1 represents an oxygen atom, a sulfur atom, or a hydrocarbon-substituted nitrogen atom;

A 2 represents a hydrocarbon-substituted oxygen atom, a hydrocarbon-substituted sulfur atom, or a hydrocarbon-substituted nitrogen atom;

E represents an oxygen atom, or a sulfur atom;

m represents an integer of 1-2;

R 1 -R 5 may be the same or different and represent a hydrocarbon group, a hydrogen atom, or a hydrocarbon-substituted silyl group;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing group; and the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 5-11 of Periodic Table;

A 1 represents an oxygen atom, a sulfur atom, or a hydrocarbon-substituted nitrogen atom;

A 2 represents a hydrocarbon-substituted oxygen atom, a hydrocarbon-substituted sulfur atom, or a hydrocarbon-substituted nitrogen atom;

E represents an oxygen atom, or a sulfur atom;

m represents an integer of 1-2;

R 1 -R 5 may be the same or different and represent a hydrocarbon group, a hydrogen atom, or a hydrocarbon-substituted silyl group;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing group; the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodic Table;

m represents an integer of 1-6;

A represents an oxygen atom, a sulfur atom, a selenium atom, or a nitrogen atom and A may have a substituent R 6 depending on the mode of bonding to the metal M;

D represents a group of —C(R 7 ) (R 8 )—, —Si(R 9 ) (R 10 )—, —CO—, —SO 2 —, —SO—, or —P(O) (OR 11 );

R 1 -R 11 may be the same or different and represent a hydrogen atom, a halogen atom, a hydrocarbon group, a heterocyclic compound residue, an oxygen-containing group, a nitrogen-containing group, a boron-containing group, a sulfur-containing group, a phosphorus-containing group, a silicon-containing group, a germanium-containing group, or a tin-containing group; and two or more thereof may be joined together to form one or more rings; and when m is 2 or more, two of the groups represented by R 1 -R 11 groups may be linked, and each of the R 1 -R 11 groups may be the same or different independently;

n is a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing group; and the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodic Table;

m represents an integer of 1-6;

A represents an oxygen atom, a sulfur atom, a selenium atom, or a nitrogen atom; the atom A may have a substituent R 5 depending on the mode of bonding to the metal M;

B represents groups of —R 6 and —R 7 both bonding to N, ═NR 8 , or °CR 9 R 10 ;

R 1 -R 10 may be the same or different and represent a hydrogen atom, a halogen atom, a hydrocarbon group, a heterocyclic compound residue, an oxygen-containing group, a nitrogen-containing group, a boron-containing group, a sulfur-containing group, a phosphorus-containing group, a silicon-containing group, a germanium-containing group, or a tin-containing group; and two or more thereof may be joined together to form one or more rings; when m is 2 or more, two of the R 1 -R 10 groups may be linked together, and the each R 1 -R 10 group may be the same or different;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing group; and the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-11 of Periodic Table;

A 1 and A 2 may be the same or different and represent a nitrogen atom or a phosphorus atom;

Q 1 -Q 6 may be the same or different and represent a nitrogen atom, a phosphorus atom, or a carbon atom having a substituent-R 2 ; when two or more of Q 1 -Q 6 have respectively a carbon atom having an R 2 -substituent, the R 2 substituents may be the same or different;

R 1 and R 2 may be the same or different and represent a hydrogen atom, a halogen atom, a hydrocarbon group, a heterocyclic compound residue, an oxygen-containing group, a nitrogen-containing group, a boron-containing group, a sulfur-containing group, a phosphorus-containing group, a silicon-containing group, a germanium-containing group, or a tin-containing group; and two or more thereof may be joined together to form one or more rings;

m represents an integer of 1-6; when m is 2 or more, any of R 1 and R 2 of one ligand and any of R 1 and R 2 in another ligand may be linked together, and the plural R 1 groups, and the plural R 2 groups may respectively be the same or different;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing group; and the plural X groups may be the same or different and may be joined together to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 3-7 of Periodic Table;

R 1 -R 6 may be the same or different and represent a hydrogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, a nitrogen-containing group, or a phosphorus-containing group; and two or more thereof may be joined together to form one or more rings;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing group; and the plural X groups may be the same or different and may be joined to form one or more rings when n is 2 or more;

wherein M represents a transition metal atom selected from Groups 8-11 of Periodic Table;

R 1 -R 6 may be the same or different and represent a hydrogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a silicon-containing group, a nitrogen-containing group, or a phosphorus-containing group; and two or more thereof may be joined together to form one or more rings;

n represents a number satisfying the valence of M;

X represents a hydrogen atom, a halogen atom, an oxygen atom, a hydrocarbon group, an oxygen-containing group, a sulfur-containing group, a nitrogen-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a halogen-containing group, a heterocyclic compound residue, a silicon-containing group, a germanium-containing group, or a tin-containing group; and the plural X groups may be the same or different and may be joined to form one or more rings when n is 2 or more.

5. The olefin polymerization catalyst according to any one of claims 1 to 3 , wherein the Lewis acid (B) is at least one halogen compound selected from halogenated magnesium compounds, halogenated manganese compounds, halogenated iron compounds, halogenated cobalt compounds, and halogenated nickel compounds.