Catalyst for olefin polymerization and process for preparing olefin polymer by using the same

Claim 2

A catalyst for olefin polymerization comprising: a catalyst component (A) which is a transition metal compound represented by the general formula M(R) ℓ (OR') m X n-(ℓ+m) (wherein M represents a transition metal atom; R and R' each represents a hydrocarbon group of 1 to 20 carbon atoms; X represents a halogen atom; ℓ, m and n represent numbers satisfying ℓ ≧ 0, m > 0 and n-(ℓ+m) ≧ 0; and n corresponds to the valency of the transition metal), and a catalyst component (B) which is an aluminoxane obtained by the reaction of a trialkylaluminum and water.

Claim 3

A catalyst for olefin polymerization comprising: a catalyst component (A) which is a transition metal compound represented by the general formula M(R) ℓ (OR') m X n-(ℓ+m) (wherein M represents a transition metal atom; R and R' each represents a hydrocarbon group of 1 to 20 carbon atoms; X represents a halogen atom; ℓ, m and n represent numbers satisfying ℓ ≧ 0, m > 0 and n-(ℓ+m) ≧ 0; and n corresponds to the valency of the transition metal), a catalyst component (B) which is an aluminoxane obtained by the reaction of a trialkylaluminum and water, and a catalyst component (C) which is an organic compound having at least 2 hydroxyl groups, represented by the general formula (I), (II), (III), (IV), (V) or (VI) [wherein R" and R''' each represents a hydrocarbon group of 1 to 20 carbon atoms; Y represents a hydrocarbon group of 1 to 20 cargon atoms, (wherein R 5 represents hydrogen or a hydrocarbon group of I to 6 carbon atoms); R 1 , R 2 , R 3 and R 4 each represents a hydrocarbon group of 1 to 20 carbon atoms, a hydroxyl group, a nitro group, a nitrile group, a hydrocarbyloxy group or a halogen atom, and R 1 , R 2 , R 3 and R may be same or different; n' is 0 or an integer of 1 or larger and represents the times of repetition of the unit Y; y, y', y", Y''', z, z', z" and z''' each represents the number of a substituent bonding to an aromatic ring, y, y', z and z' each represents 0 or an integer of 1 to 4, y" and z" each represents 0 or an integer of 1 to 2, and Y''' and z''' each represents 0 or an integer of 1 to 3].

Claim 4

A catalyst for olefin polymerization comprising: a catalyst component (A) which is a transition metal compound represented by the general formula M(R) ℓ (OR') m X n-(ℓ+m) (wherein M represents a transition metal atom; R and R' each represents a hydrocarbon group of 1 to 20 carbon atoms; X represents a halogen atom; ℓ, m and n represent numbers satisfying ℓ ≧ 0, m > 0 and n-(ℓ+m) ≧ 0; and n corresponds to the valency of the transition metal), a catalyst component (B) which is an aluminoxane obtained by the reaction of a trialkylaluminum and water, and a catalyst component (C) which is an organic compound having at least 2 hydroxyl groups, represented by the general formula (I), (II), (III), (IV), (V) or (VI) [wherein R" and R''' each represents a hydrocarbon group of 1 to 20 carbon atoms; Y represents a hydrocarbon group of 1 to 20 cargon atoms, (wherein R 5 represents hydrogen or a hydrocarbon group of I to 6 carbon atoms); R 1 , R 2 , R 3 and R 4 each represents a hydrocarbon group of 1 to 20 carbon atoms, a hydroxyl group, a nitro group, a nitrile group, a hydrocarbyloxy group or a halogen atom, and R 1 , R 2 , R 3 and R may be same or different; n' is 0 or an integer of 1 or larger and represents the times of repetition of the unit Y; y, y', y", Y''', z, z', z" and z''' each represents the number of a substituent bonding to an aromatic ring, y, y', z and z' each represents 0 or an integer of 1 to 4, y" and z" each represents 0 or an integer of 1 to 2, and Y''' and z''' each represents 0 or an integer of 1 to 3].

Claim 5

A catalyst for olefin polymerization according to Claim 1 or 2, wherein in the catalyst component (A), the M of the transition metal compound represented by the general formula M(R) ℓ (OR') m X n-(ℓ+m) is titanium or zirconium.

Claim 6

A catalyst for olefin polymerization according to Claim 1 or 2, wherein in the catalyst component (A), the M of the transition metal compound represented by the general formula M(R) ℓ (OR') m X n-(ℓ+m) is titanium or zirconium, ℓ = 0, m > 0 and n-m ≧ 0.

Claim 7

A catalyst for olefin polymerization according to Claim 2, wherein in the catalyst component (A), the general formula M(R) ℓ (OR') m X n-(ℓ+m) is titanium tetrachloride or zirconium tetrachloride.

Claim 8

A catalyst for olefin polymerization according to Claim 1 or 2, wherein in the catalyst component (A), the R and R' of the general formula M(R) ℓ (OR') m X n-(ℓ+m) are each an alkyl group or an aryl group.

Claim 9

A catalyst for olefin polymerization according to Claim 1 or 2, wherein in the catalyst component (A), the R is a methyl, ethyl, phenyl or benzyl group and the R' is an n-propyl, isopropyl, n-butyl, t-butyl or a phenyl group.

Claim 10

A catalyst for olefin polymerization according to Claim 1 or 2, wherein in the catalyst component (A), the general formula M(R) ℓ (OR') m X n-(ℓ+m) is tetraiso- propoxytitanium, tetra-n-butoxytitanium, tetra-t-butoxytitanium, diphenoxytitanium dichloride, dinaphthoxy- titanium dichloride, tetraisopropoxyzirconium, tetra-n-butoxyzirconium or tetra-t-butoxyzirconium.

Claim 11

A catalyst for olefin polymerication according to Claim 1, 2, 3, 4, 5, 6, 7 or 8, wherein in the catalyst component (B), the trialkylaluminum is trimethylaluminum or triethylaluminum.

Claim 12

A catalyst for olefin polymerization according to Claim 2, 3, 4, 5, 6, 7, 8 or 9, wherein the catalyst component (C) is a compound represented by the general formula (I) or (II).

Claim 13

A catalyst for olefin polymerization according to Claim 2, 3, 4, 5, 6, 7, 8 or 9, wherein the catalyst component (C) is a compound represented by the general formula (V) or (VI).

Claim 14

A catalyst for olefin polymerization according to Claim 11, wherein the catalyst component (C) is a compound represented by the general formula or

Claim 15

A catalyst for olefin polymerization according to Claim 12, wherein the catalyst component (C) is a compound in which the y, y''', z and Z''' are 1, respectively.

Claim 16

A catalyst for olefin polymerization according to Claim 11, 12 or 13, wherein the catalyst component (C) is a compound in which the n' is 1 and the Y is a hydrocarbon group of 1 to 20 carbon atoms.

Claim 17

A catalyst for olefin polymerization according to Claim 11, 12 or 13, wherein the catalyst component (C) is a biphenyldiol or binaphthol compound in which the n' is 0.

Claim 18

A catalyst for olefin polymerization according to Claim 11, 12 or 13, wherein the catalyst component (C) is a compound in which the n' is 1 and the Y is -0-,

Claim 19

A catalyst for olefin polymerization according to Claim 16, wherein the catalyst component (C) is a compound in which the n' is 1 and the Y is -S-.

Claim 20

A catalyst for olefin polymerization according to Claim 10, wherein in the catalyst component (C), the R" and R''' are each a methylene, ethylene, ethylidene or isobutylidene group.

Claim 21

A catalyst for olefin polymerization according to Claim 10 or 11, wherein in the catalyst component (C), the R 1 , R 2 , R 3 and R are each an alkyl group of 1 to 10 carbon atoms or an aryl group.

Claim 22

A catalyst for olefin polymerization according to Claim 19, wherein in the catalyst component (C), the R 1 , R 2 , R 3 and R 4 are each a methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl or t-butyl group.

Claim 23

A catalyst for olefin polymerization according to Claim 10, wherein the catalyst component (C) is 2,4-dihydroxypentane or catechol.

Claim 24

A catalyst for olefin polymerization according to Claim 15, wherein the catalyst component (C) is 2,2'-biphenyldiol or 1,1'-bi-2-naphthol.

Claim 25

A catalyst for olefin polymerization according to Claim 14, wherein the catalyst component (C) is 4,4',6',6'-tetra-t-butyl-2,2'-methylenediphenol, 4,4',6,6'-di-t-butyl-2,2'-methylenediphenol or 4,4',6,6'-tetramethyl-2,2'-isobutylidenediphenol.

Claim 26

A catalyst for olefin polymerization according to Claim 17, wherein the catalyst component (C) is 2,2'-dihydroxy-3,3 t- di-t-butyl-5,5'-dimethyldiphenyl sulfide.

Claim 27

A process for producing an olefin polymer, characterized by homopolymerizing an olefin of 2 or more carbon atoms or copolymerizing two or more olefins of 2 or more carbon atoms, in the presence of a catalyst for olefin polymerization comprising: a catalyst component (A) which is a transition metal compound represented by the general formula M(R) ℓ (OR') m X n-(ℓ+m) (wherein M represents a transition metal atom; R and R' each represents a hydrocarbon group of 1 to 20 carbon atoms; X represents a halogen atom; ℓ, m and n represent numbers satisfying ℓ ≧ 0, m > 0 and n-(ℓ+m) ≧ 0; and n corresponds to the valency of the transition metal), and a catalyst component (B) which is an aluminoxane obtained by the reaction of a trialkylaluminum and water.

Claim 28

A process for producing an olefin polymer, characterized by homopolymerizing an olefin of 2 or more carbon atoms or copolymerizing two or more olefins of 2 or more carbon atoms, in the presence of a catalyst for olefin polymerization comprising: a catalyst component (A) which is a transition metal compound represented by the general formula M(R) ℓ (OR') m X n-(ℓ+m) (wherein M represents a transition metal atom; R and R' each represents a hydrocarbon group of 1 to 20 carbon atoms; X represents a halogen atom; ℓ, m and n represent numbers satisfying ℓ ≧ 0, m > 0 and n-(ℓ+m) ≧ 0; and n corresponds to the valency of the transition metal), and a catalyst component (B) which is an aluminoxane obtained by the reaction of a trialkylaluminum and water.

Claim 29

A process for producing an olefin polymer, characterized by homopolymerizing an olefin of 2 or more carbon atoms or copolymerizing two or more olefins of 2 or more carbon atoms, in the presence of a catalyst for olefin polymerization comprising: a catalyst component (A) which is a transition metal compound represented by the general formula M(R) ℓ (OR') m X n-(ℓ+m) (wherein M represents a transition metal atom; R and R' each represents a hydrocarbon group of 1 to 20 carbon atoms; X represents a halogen atom; m and n represent numbers satisfying ℓ ≧ 0, m ≧ 0 and n-(ℓ+m) ≧ 0; and n corresponds to the valency of the transition metal), a catalyst component (B) which is an aluminoxane obtained by the reaction of a trialkylaluminum and water, and a catalyst component (C) which is an organic compound having at least 2 hydroxyl groups, represented by the general formula (I), (II), (III), (IV), (V) or (VI) [wherein R" and R''' each represents a hydrocarbon group of 1 to 20 carbon atoms; Y represents a hydrocarbon group of 1 to 20 carbon atoms, (wherein R 5 represents hydrogen or a hydrocarbon group of 1 to 6 carbon atoms); R 1 , R 2 , R 3 and R each represents a hydrocarbon group of 1 to 20 carbon atoms, a hydroxyl group, a nitro group, a nitrile group, a hydrocarboxyl group or a halogen atom, and R 1 , R 2 , R and R may be same or different; n' is 0 or an integer of 1 or larger and represents the times of repetition of the unit Y; y, y', y", Y''', z, z', z" and z''' each represents the number of a substituent bonding to an aromatic ring, y, y', z and z' each represents 0 or an integer of 1 to 4, y" and z" each represents 0 or an integer of 1 to 2, and Y''' and z''' each represents 0 or an integer of 1 to 3].

Claim 30

A process for producing an olefin polymer, characterized by homopolymerizing an olefin of 2 or more carbon atoms or copolymerizing two or more olefins of 2 or more carbon atoms, in the presence of a catalyst for olefin polymerization comprising: a catalyst component (A) which is a transition metal compound represented by the general formula M(R) ℓ (OR') m X n-(ℓ+m) (wherein M represents a transition metal atom; R and R' each represents a hydrocarbon group of 1 to 20 carbon atoms; X represents a halogen atom; m and n represent numbers satisfying ℓ ≧ 0, m ≧ 0 and n-(ℓ+m) ≧ 0; and n corresponds to the valency of the transition metal), a catalyst component (B) which is an aluminoxane obtained by the reaction of a trialkylaluminum and water, and a catalyst component (C) which is an organic compound having at least 2 hydroxyl groups, represented by the general formula (I), (II), (III), (IV), (V) or (VI) [wherein R" and R''' each represents a hydrocarbon group of 1 to 20 carbon atoms; Y represents a hydrocarbon group of 1 to 20 carbon atoms, (wherein R 5 represents hydrogen or a hydrocarbon group of 1 to 6 carbon atoms); R 1 , R 2 , R 3 and R each represents a hydrocarbon group of 1 to 20 carbon atoms, a hydroxyl group, a nitro group, a nitrile group, a hydrocarboxyl group or a halogen atom, and R 1 , R 2 , R and R may be same or different; n' is 0 or an integer of 1 or larger and represents the times of repetition of the unit Y; y, y', y", Y''', z, z', z" and z''' each represents the number of a substituent bonding to an aromatic ring, y, y', z and z' each represents 0 or an integer of 1 to 4, y" and z" each represents 0 or an integer of 1 to 2, and Y''' and z''' each represents 0 or an integer of 1 to 3].

Claim 31

A process according to Claim 25 or 26, wherein in the catalyst component (A), the M of the transition metal compound represented by the general formula M(R) ℓ (OR') m X n-(ℓ+m) is titanium or zirconium.

Claim 32

A process according to Claim 25, 26 or 27, wherein in the catalyst component (B), the trialkylaluminum is trimethylaluminum or triethylaluminum.

Claim 33

A process according to Claim 25, 26, 27 or 28, wherein the catalyst component (C) is a compound represented by the general formula (I), (II) , (V) or (VI).

Claim 34

A process according to Claim 25, 26, 27, 28 or 29, wherein the olefin(s) is (are) at least one olefin selected from ethylene, propylene, butene-1, pentene-1, 4-methylpentene-1, hexene-1, octene-1 and vinylcyclohexane.