Transition metal compound, olefin polymerization catalyst, and method of polymerizing olefin

1. A transition metal compound of Groups 8 to 10 of the Periodic Table, represented by the following formula (1):

wherein M represents a transition metal of Groups 8 to 10 of the Periodic, Table; L, electrically neutral, represents a hetero atom-containing hydrocarbon group represented by the following formula (2)

wherein R 1 to R 5 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having form 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring; R 6 represents a hydrogen atom, a hydrocarbon group having from 1 to 40 carbon atoms, a halogenohydrocarbon group having from 1 to 40 carbon atoms, or a hetero atom-containing group;

L′, electrically neutral, represent a hetero atom-containing hydrocarbon group represented by the following formula (3)

wherein R 7 to R 11 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having from 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring;

X represents a covalent-bonding or ionic-bonding group, and a plurality of X's are the same or different; Y represents an aromatic group-containing crosslinking group; Z is an integer of 1 or more, indicating the degree of polymerization of the compound; n indicates the atomic valency of M; and each M, L, and Y are the same or different.

2. The transition metal compound as claimed in claim 1 , wherein the transition metal M is iron or cobalt.

3. A transition metal compound of the following formula (4):

wherein V is a crosslinking group that is represented by the following formula (5A) or (5B):

wherein M represents a transition metal of Groups 8 to 10 of the Periodic Table; R 1 to R 5 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having from 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring; R 6 represents a hydrogen atom, a hydrocarbon group having from 1 to 40 carbon atoms, a halogenohydrocarbon group having from 1 to 40 carbon atoms, or a hetero atom-containing group; X represents a covalent-bonding or ionic-bonding group, and a plurality of X's are the same or different; n indicates the atomic valency of M; R 12 to R 15 , and R 16 to R 23 each independently represent a hydrogen atom, or a hydrocarbon group having from 1 to 20 carbon atoms, and optionally these groups are the same or different; R 16 and R 23 optionally are bonded to each other to form a ring; B represents —(R 24 2 C) m —, —R 24 2 Si—, —O—, —S—, or —R 24 N—; R 24 represents a hydrogen atom, or a hydrocarbon group having from 1 to 20 carbon atoms; and m is an integer of from 0 to 4.

4. The transition metal compound as claimed in claim 3 , wherein the transition metal M is iron or cobalt.

5. The transition metal compound as claimed in claim 3 , wherein R 12 and R 15 each are at hydrocarbon group having from 1 to 20 carbon atoms, and R 13 and R 14 are both hydrogen atoms.

6. The transition metal compound as claimed in claim 3 , wherein R 6 is a group represented by the following formula:

wherein R 25 is a methyl group, ethyl group or a hydrogen atom.

7. An olefin polymerization catalyst comprising the following (A) and (B):

(A) a transition metal compound represented by the following formula (1):

wherein M represent a transition metal of Groups 8 to 10 of the Periodic Table; L, electrically neutral, represents a hetero atom-containing hydrocarbon group represented by the following formula (2)

wherein R 1 to R 5 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having form 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring; R 6 represents a hydrogen atom, a hydrocarbon group having from 1 to 40 carbon atoms, a halogenohydrocarbon group having from 1 to 40 carbon atoms, or a hetero atom-containing group;

L′, electrically neutral, represent a hetero atom-containing hydrocarbon group represented by the following formula (3)

wherein R 7 to R 11 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having from 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring;

X represents a covalent-bonding or ionic-bonding group, and a plurality of X's are the same or different; Y represents an aromatic group-containing crosslinking group; Z is an integer of 1 or more, indicating the degree of polymerization of the compound; n indicates the atomic valency of M; and each M, L, and Y are the same or different;

(B) at least one compound selected from the group consistist of (B-1) organoaluminium compounds, (B-2) ionic compounds capable of converting the transition metal compound into a cationic transition metal compound, (B-3) Lewis acids, and (B4) clay, clay minerals and ion-exchanging layered compounds.

8. The olefin polymerization catalyst as claimed in claim 7 , wherein the component (B) is any one of an alkylaluminoxane, a boron compound and a phyllosilicic acid compound.

9. A method for olefin polymerization, which comprises: polymerizing an olefin in the presence of the olefin polymerization catalyst of claim 7 .

10. The olefin polymerization catalyst as claimed in claim 7 , wherein the component (A) is the transition metal compound of Groups 8 to 10 of the Periodic Table, represented by the following formula (1)

wherein M represent a transition metal of Groups 8 to 10 of the Periodic Table; L, electrically neutral, represents a hetero atom-containing hydrocarbon group represented by the following formula (2)

wherein R 1 to R 5 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having form 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring; R 6 represents a hydrogen atom, a hydrocarbon group having from 1 to 40 carbon atoms, a halogenohydrocarbon group having from 1 to 40 carbon atoms, or a hetero atom-containing group;

L′, electrically neutral, represent a hetero atom-containing hydrocarbon group represented by the following formula (3)

wherein R 7 to R 11 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having from 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring;

X represents a covalent-bonding or ionic-bonding group, and a plurality of X's are the same or different; Y represents an aromatic group-containing crosslinking group; Z is an integer of 1 or more, indicating the degree of polymerization of the compound; n indicates the atomic valency of M; and each M, L, and Y are the same or different; or

the following formula (4):

wherein V is a crosslinking group that is represented by the following formula (5A) or (5B):

wherein M represents a transition metal of Groups 8 to 10 of the Periodic Table; R 1 to R 5 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having from 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring; R 6 represents a hydrogen atom, a hydrocarbon group having from 1 to 40 carbon atoms, a halogenohydrocarbon group having from 1 to 40 carbon atoms, or a hetero atom-containing group; X represents a covalent-bonding or ionic bonding group, and a plurality of X's are the same or different; n indicates the atomic valency of M; R 12 to R 15 , and R 16 to R 23 each independently represent a hydrogen atom, or a hydrocarbon group having from 1 to 20 carbon atoms, and optionally these groups are the same or different; R 16 and R 23 optionally are bonded to each other to form a ring; B represents —(R 24 2 C) m —, —R 24 2 Si—, —O—, —S—, or —R 24 N—; R 24 represents a hydrogen atom, or a hydrocarbon group having from 1 to 20 carbon atoms; and m is an integer of from 0 to 4.

11. An olefin polymerization catalyst comprising the following (A), (B) ad (C)

(A) a transition metal compound represented by the following formula (1):

wherein M represent a transition metal of Groups 8 to 10 of the Periodic Table; L, electrically neutral, represents a hetero atom-containing hydrocarbon group represented by the following formula (2)

wherein R 1 to R 5 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having form 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring; R 6 represents a hydrogen atom, a hydrocarbon group having from 1 to 40 carbon atoms, a halogenohydrocarbon group having from 1 to 40 carbon atoms, or a hetero atom-containing group;

L′, electrically neutral, represent a hetero atom-containing hydrocarbon group represented by the following formula (3)

wherein R 7 to R 11 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having from 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring;

X represents a covalent-bonding or ionic-bonding group, and a plurality of X's are the same or different; Y represents an aromatic group-containing crosslinking group; Z is an integer of 1 or more, indicating the degree of polymerization of the compound; n indicates the atomic valency of M; and each M, L, and Y are the same or different;

(B) at least one compound selected from the group consistist of (B-1) organoaluminium compounds, (B-2) ionic compounds capable of converting the transition metal compound into a cationic transition metal compound, (B-3) Lewis acids, and (B4) clay, clay minerals and ion-exchanging layered compounds.

(C) an organometallic compound.

12. A method for olefin polymerization, which comprises polymerizing an olefin in the presence of the olefin polymerization catalyst of claim 11 .

13. The olefin polymerization catalyst as claimed in claim 7 , wherein the component (B) is any one of an alkylaluminoxane, boron compound and a phyllosilicic acid compound.

14. The olefin polymerization catalyst as claimed in claim 11 , wherein the component (A) is the transition metal compound of Groups 8 to 10 of the Periodic Table, represented by the following formula (1)

wherein M represent a transition metal of Groups 8 to 10 of the Periodic Table; L, electrically neutral, represents a hetero atom-containing hydrocarbon group represented by the following formula (2)

wherein R 1 to R 5 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having form 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring; R 6 represents a hydrogen atom, a hydrocarbon group having from 1 to 40 carbon atoms, a halogenohydrocarbon group having from 1 to 40 carbon atoms, or a hetero atom-containing group;

L′ electrically neutral, represent a hetero atom-containing hydrocarbon group represented by the following formula (3)

wherein R 7 to R 11 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having from 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring;

X represents a covalent-bonding or ionic-bonding group, and a plurality of X's, are the same or different; Y represents an aromatic group-containing crosslinking group; Z is an integer of 1 or more, indicating the degree of polymerization of the compound; n indicates the atomic valency of M; and each M, L, and Y are the same or different; or

the following formula (4):

wherein V is a crosslinking group that is represented by the following formula (5A) or (5B):

wherein M represents a transition metal of Groups 8 to 10 of the Periodic Table; R 1 to R 5 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having from 1 to 20 carbon atoms, a halogenohydrocarbon group having from 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring; R 6 represents a hydrogen atom, a hydrocarbon group having from 1 to 40 carbon atoms, a halogenohydrocarbon group having from 1 to 40 carbon atoms, or a hetero atom-containing group; X represents a covalent-bonding or ionic-bonding group, and a plurality of X's are the same or different; n indicates the atomic valency of M; R 12 to R 15 , and R 16 to R 23 each independently represent a hydrogen atom, or a hydrocarbon group having from 1 to 20 carbon atoms, and optionally these groups are the same or different; R 16 and R 23 optionally are bonded to each other to form a ring; B represents —(R 24 2 C) m —, —R 24 2 Si—, —O—, —S—, or —R 24 N—; R 24 represents a hydrogen atom, or a hydrocarbon group having from 1 to 20 carbon atoms; and m is an integer of from 0 to 4.