Olefin polymerization catalysts and methods of olefin polymerization

Claim 2

An olefin polymerization catalyst comprising (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, and (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, wherein, the component (B) is used in an amount of 10-5000 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the catalyst is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the component (A) with the already contacted (B)-(C) mixture.

Claim 3

An olefin polymerization catalyst comprising (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, and (D) an organoaluminum compound, wherein, the component (B) is used in an amount of 10-5000 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the catalyst is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the components (A) and (D) with the already contacted (B)-(C) mixture.

Claim 4

An olefin polymerization catalyst comprising (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, and (D) an organoaluminum compound, wherein, the component (B) is used in an amount of 10-5000 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the catalyst is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the components (A) and (D) with the already contacted (B)-(C) mixture.

Claim 5

An olefin polymerization catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, and (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, wherein said components (A), (B) and (C) are supported on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the catalyst is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture.

Claim 6

An olefin polymerization catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, and (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, wherein said components (A), (B) and (C) are supported on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the catalyst is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture.

Claim 7

An olefin polymerization catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, and (D) an organoaluminum compound, wherein said components (A), (B), (C) and (D) are supported on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the catalyst is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the components (A) and (D) with the already contacted (B)-(C) mixture.

Claim 8

An olefin polymerization catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, and (D) an organoaluminum compound, wherein said components (A), (B), (C) and (D) are supported on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the catalyst is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the components (A) and (D) with the already contacted (B)-(C) mixture.

Claim 9

An olefin polymerization catalyst which comprises (I-1) a solid catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, and (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, wherein said components (A), (B) and (C) are supported on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the solid catalyst (I-1) is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture; and (II) (E) an organoaluminum compound.

Claim 10

An olefin polymerization catalyst which comprises (I-1) a solid catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, and (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, wherein said components (A), (B) and (C) are supported on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the solid catalyst (I-1) is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture; and (II) (E) an organoaluminum compound.

Claim 11

An olefin polymerization catalyst which comprises (I-2) a solid catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, and (D) an organoaluminum compound, wherein said components (A), (B), (C) and (D) are support on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the solid catalyst (I-2) is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture; and (II) (E) an organoaluminum compound.

Claim 12

An olefin polymerization catalyst which comprises (I-2) a solid catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, and (D) an organoaluminum compound, wherein said components (A), (B), (C) and (D) are support on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the solid catalyst (I-2) is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture; and (II) (E) an organoaluminum compound.

Claim 13

An olefin polymerization catalyst which comprises: a solid catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, and (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, wherein said components (A), (B) and (C) are supported on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the solid catalyst is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture; and prepolymerizing an olefin with said solid catalyst.

Claim 14

An olefin polymerization catalyst which comprises: a solid catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, and (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, wherein said components (A), (B) and (C) are supported on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the solid catalyst is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture; and prepolymerizing an olefin with said solid catalyst.

Claim 15

An olefin polymerization catalyst which comprises: a solid catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, and (D) an organoaluminum compound, wherein said components (A), (B), (C) and (D) are support on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the solid catalyst is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture; and prepolymerizing an olefin with said solid catalyst.

Claim 16

An olefin polymerization catalyst which comprises: a solid catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, and (D) an organoaluminum compound, wherein said components (A), (B), (C) and (D) are support on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the solid catalyst is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture; and prepolymerizing an olefin with said solid catalyst.

Claim 17

An olefin polymerization catalyst which comprises: (I'-1) a solid catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, and (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, wherein said components (A), (B) and (C) are supported on said solid carrier, the component (B) is used in an amount of 10-500 in terms-of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the solid catalyst (I'-1) is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture; and a prepolymerized olefin polymer; and prepolymerizing an olefin with said solid catalyst; and (II) (E) an organoaluminum compound.

Claim 18

An olefin polymerization catalyst which comprises: (I'-1) a solid catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, and (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, wherein said components (A), (B) and (C) are supported on said solid carrier, the component (B) is used in an amount of 10-500 in terms-of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the solid catalyst (I'-1) is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture; and a prepolymerized olefin polymer; and prepolymerizing an olefin with said solid catalyst; and (II) (E) an organoaluminum compound.

Claim 19

An olefin polymerization catalyst which comprises: (I'-2) a solid catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, and (D) an organoaluminum compound, wherein said components (A), (B), (C) and (D) are support on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the solid catalyst (I'-2) is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture; and prepolymerizing an olefin with said solid catalyst; and (II) (E) an organoaluminum compound.

Claim 20

An olefin polymerization catalyst which comprises: (I'-2) a solid catalyst comprising a solid carrier, (A) a transition metal compound of the group IVB of the periodic table containing a ligand having a cyclopentadienyl skeleton, (B) an aluminoxane, (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and β-diketone, and (D) an organoaluminum compound, wherein said components (A), (B), (C) and (D) are support on said solid carrier, the component (B) is used in an amount of 10-500 in terms of atomic ratio (Al/transition metal) of aluminum (Al) contained in the component (B) to transition metal contained in the component (A), the component (C) is used in an amount, based on 1 mole of aluminum contained in the component (B), of 0.01-0.25 mole, and the solid catalyst (I'-2) is prepared by a process comprising first contacting the components (B) and (C), and thereafter mixing the remaining components with the already contacted (B)-(C) mixture; and prepolymerizing an olefin with said solid catalyst; and (II) (E) an organoaluminum compound.