US5145818A
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US
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Olefin polymerization catalyst and process for the polymerization of olefins
Assignee: Mitsui Chemicals Inc
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Filing: 1990-12-21
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Granted: 1992-09-08
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Expires: 2010-12-21
Abstract
Abstract In accordance with the present invention, there are provided olefin polymerization catalysts comprising [A] a titanium catalyst component containing titanium, magnesium and halogen as its essential ingredients, [B-1] a transition metal compound containing a ligand having a cycloalkadienyl skeleton, [C] an organoaluminum oxy-compound and, if necessary, [D] an organoaluminum compound. Further, in accordance with the invention, there are provided olefin polymerization catalysts comprising [A] a titanium catalyst component containing titanium, magnesium and halogen as its essential ingredients, [B-2] a transition metal compound containing a ligand having a cycloalkadienyl skeleton and an anion compound containing boron, and [C] an organoaluminum compound and/or an organoaluminum oxy-compound.
Inventors
- 👤 Toshiyuki Tsutsui
- 👤 Kenji Sugimura
- 👤 Takashi Ueda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:57
CPC Classifications
C; C08; C08F; C08F10/00; C08F4/00; C08F110/00; C08F110/02; C08F210/00; C08F210/16; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/639; C08F4/63904; C08F4/63908; C08F4/63912; C08F4/63916; C08F4/6392; C08F4/63922; C08F4/64; C08F4/659; C08F4/65904; C08F4/65908; C08F4/65912; C08F4/65916; C08F4/6592; C08F4/65922; C08F4/65925; Y; Y10; Y10S; Y10S526/00; Y10S526/943
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
160 words
An olefin polymerization catalyst formed by prepolymerization of olefin in a suspension in an amount of 0.1-500 g per 1 g of a catalyst containing (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, (B-1) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, titanium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one of L is a ligand having a cycloalkadienyl skeleton, and when at least two or more ligands having a cycloalkadienyl skeleton are contained, at least two ligands having cycloalkadienyl skeleton may be linked together via lower alkylene, substituted alkylene, silylene or substituted silylene, L other than the ligand having a cycloalkadienyl skeleton is hydrocarbon group of 1-12 carbon atoms, alkoxy of 1-12 carbon atoms, aryloxy, halogen or hydrogen, and x is a valence of the transition metal, and (C) an aluminoxane.
Claim 2
Dependent Claim
160 words
An olefin polymerization catalyst formed by prepolymerization of olefin in a suspension in an amount of 0.1-500 g per 1 g of a catalyst containing (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, (B-1) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, titanium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one of L is a ligand having a cycloalkadienyl skeleton, and when at least two or more ligands having a cycloalkadienyl skeleton are contained, at least two ligands having cycloalkadienyl skeleton may be linked together via lower alkylene, substituted alkylene, silylene or substituted silylene, L other than the ligand having a cycloalkadienyl skeleton is hydrocarbon group of 1-12 carbon atoms, alkoxy of 1-12 carbon atoms, aryloxy, halogen or hydrogen, and x is a valence of the transition metal, and (C) an aluminoxane.
Claim 3
Dependent Claim
164 words
An olefin polymerization catalyst formed by prepolymerization of olefin is a suspension in an amount of 0.1-500 g per 1 g of a catalyst containing (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, (B-1) a transition metal compound having formula Mlx wherein M is a transition metal selected from the group consisting of zirconium, titanium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one of L is a ligand having a cycloalkadienyl skeleton, and when at least two or more ligands having a cycloalkadienyl skeleton are contained, at least two ligands having cycloalkadienyl skeleton may be linked together via lower alkylene, substituted alkylene, silylene or substituted silylene, L other than the ligand having a cycloalkadienyl skeleton is hydrocarbon group of 1-12 carbon atoms, alkoxy of 1-12 carbon atoms, aryloxy, halogen or hydrogen, and x is a valence of the transition metal, (C) an aluminoxane, and (D) an organoaluminum compound.
Claim 4
Dependent Claim
164 words
An olefin polymerization catalyst formed by prepolymerization of olefin is a suspension in an amount of 0.1-500 g per 1 g of a catalyst containing (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, (B-1) a transition metal compound having formula Mlx wherein M is a transition metal selected from the group consisting of zirconium, titanium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one of L is a ligand having a cycloalkadienyl skeleton, and when at least two or more ligands having a cycloalkadienyl skeleton are contained, at least two ligands having cycloalkadienyl skeleton may be linked together via lower alkylene, substituted alkylene, silylene or substituted silylene, L other than the ligand having a cycloalkadienyl skeleton is hydrocarbon group of 1-12 carbon atoms, alkoxy of 1-12 carbon atoms, aryloxy, halogen or hydrogen, and x is a valence of the transition metal, (C) an aluminoxane, and (D) an organoaluminum compound.
Claim 5
Dependent Claim
175 words
An olefin polymerization catalyst comprising (I) a solid catalyst formed by pre-polymerization of olefin in a suspension in an amount of 0.1-500 g per 1 g of a catalyst containing (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, (B-1) a transition metal compound having formula Mlx wherein M is a transition metal selected from the group consisting of zirconium, titanium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one of L is a ligand having a cycloalkadienyl skeleton, and when at least two or more ligands having a cycloalkadienyl skeleton are contained, at least two ligands having cycloalkadienyl skeleton may be linked together via lower alkylene, substituted alkylene, silylene or substituted silylene, L other than the ligand having a cycloalkadienyl skeleton is hydrocarbon group of 1-12 carbon atoms, alkoxy of 1-12 carbon atoms, aryloxy, halogen or hydrogen, and x is a valence of the transition metal, and (C) an aluminoxane; and (II) (C) an aluminoxane and/or (D) an organoaluminum compound.
Claim 6
Dependent Claim
175 words
An olefin polymerization catalyst comprising (I) a solid catalyst formed by pre-polymerization of olefin in a suspension in an amount of 0.1-500 g per 1 g of a catalyst containing (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, (B-1) a transition metal compound having formula Mlx wherein M is a transition metal selected from the group consisting of zirconium, titanium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one of L is a ligand having a cycloalkadienyl skeleton, and when at least two or more ligands having a cycloalkadienyl skeleton are contained, at least two ligands having cycloalkadienyl skeleton may be linked together via lower alkylene, substituted alkylene, silylene or substituted silylene, L other than the ligand having a cycloalkadienyl skeleton is hydrocarbon group of 1-12 carbon atoms, alkoxy of 1-12 carbon atoms, aryloxy, halogen or hydrogen, and x is a valence of the transition metal, and (C) an aluminoxane; and (II) (C) an aluminoxane and/or (D) an organoaluminum compound.
Claim 7
Dependent Claim
179 words
An olefin polymerization catalyst comprising (I) a solid catalyst formed by pre-polymerization of olefin in a suspension in an amount of 0.1-500 g per 1 g of a catalyst containing (A) a solid titanium catalyst component prepared by containing titanium compound with halogen containing magnesium compound, (B-1) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, titanium, hafnium, chromium and vanadium, L s a ligand coordinating to the transition metal, at least one of L is a ligand having a cycloalkadienyl skeleton, and when at least two or more ligands having a cycloalkadienyl skeleton are contained, at least two ligands having cycloalkadienyl skeleton may be linked together via lower alkylene, substituted alkylene, silylene or substituted silylene, L other than the ligand having a cycloalkadienyl skeleton is hydrocarbon group of 1-12 carbon atoms, alkoxy of 1-12 carbon atoms, aryloxy, halogen or hydrogen, and x is a valence of the transition metal, (C) an aluminoxane, and (D) an organoaluminum compound; and II. (C) an aluminoxane and/or (D) an organoaluminum compound.
Claim 8
Dependent Claim
179 words
An olefin polymerization catalyst comprising (I) a solid catalyst formed by pre-polymerization of olefin in a suspension in an amount of 0.1-500 g per 1 g of a catalyst containing (A) a solid titanium catalyst component prepared by containing titanium compound with halogen containing magnesium compound, (B-1) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, titanium, hafnium, chromium and vanadium, L s a ligand coordinating to the transition metal, at least one of L is a ligand having a cycloalkadienyl skeleton, and when at least two or more ligands having a cycloalkadienyl skeleton are contained, at least two ligands having cycloalkadienyl skeleton may be linked together via lower alkylene, substituted alkylene, silylene or substituted silylene, L other than the ligand having a cycloalkadienyl skeleton is hydrocarbon group of 1-12 carbon atoms, alkoxy of 1-12 carbon atoms, aryloxy, halogen or hydrogen, and x is a valence of the transition metal, (C) an aluminoxane, and (D) an organoaluminum compound; and II. (C) an aluminoxane and/or (D) an organoaluminum compound.
Claim 9
Dependent Claim
191 words
An olefin polymerization catalyst formed by prepolymerization of olefin in a suspension in an amount of 0.1-500 g per 1 g of a catalyst containing (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, (B-1) a contact reaction product of (B-1) a transition metal compound having formula MLx where M is a transition metal selected from the group consisting of zirconium, titanium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one of L is a ligand having a cycloalkadienyl skeleton, and when at least two or more ligands having a cycloalkadienyl skeleton are contained, at least two ligands having cycloalkadienyl skeleton may be linked together via lower alkylene, substituted alkylene, silylene or substituted silylene, L other than the ligand having a cycloalkadienyl skeleton is hydrocarbon group of 1-12 carbon atoms, alkoxy of 1-12 carbon atoms, aryloxy, halogen or hydrogen, and x is a valence of the transition metal, (B-b) Bronsted acid or proton, and (B-c) an anion compound containing boron, and at least one member selected from the group consisting of (C) aluminoxane and (D) organoaluminum compound.
Claim 10
Dependent Claim
191 words
An olefin polymerization catalyst formed by prepolymerization of olefin in a suspension in an amount of 0.1-500 g per 1 g of a catalyst containing (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, (B-1) a contact reaction product of (B-1) a transition metal compound having formula MLx where M is a transition metal selected from the group consisting of zirconium, titanium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one of L is a ligand having a cycloalkadienyl skeleton, and when at least two or more ligands having a cycloalkadienyl skeleton are contained, at least two ligands having cycloalkadienyl skeleton may be linked together via lower alkylene, substituted alkylene, silylene or substituted silylene, L other than the ligand having a cycloalkadienyl skeleton is hydrocarbon group of 1-12 carbon atoms, alkoxy of 1-12 carbon atoms, aryloxy, halogen or hydrogen, and x is a valence of the transition metal, (B-b) Bronsted acid or proton, and (B-c) an anion compound containing boron, and at least one member selected from the group consisting of (C) aluminoxane and (D) organoaluminum compound.
Claim 11
Dependent Claim
207 words
An olefin polymerization catalyst comprising (I) a solid catalyst component formed by pre-polymerization of olefin in a suspension in an amount of 0.1-500 g per 1 g of a catalyst containing (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, (B-2) a contact reaction product of (B-1) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, titanium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one of L is a ligand having a cycloalkadienyl skeleton, and when at least two or more ligands having a cycloalkadienyl skeleton are contained, at least two ligands having cycloalkadienyl skeleton may be linked together via lower alkylene, substituted, alkylene, silylene or substituted silylene, L other than the ligand having a cycloalkadienyl skeleton is hydrocarbon group of 1-12 carbon atoms, alkoxy of 1-12 carbon atoms, aryloxy, halogen or hydrogen, and x is a valence of the transition metal, (B-b) Bronsted acid or proton, and (B-c) an anion compound containing boron, and at least one member selected from the group consisting of (C) aluminoxane and (D) organoaluminum compound, and (II) (C) an aluminoxane and/or (D) an organoaluminum compound.
Claim 12
Dependent Claim
207 words
An olefin polymerization catalyst comprising (I) a solid catalyst component formed by pre-polymerization of olefin in a suspension in an amount of 0.1-500 g per 1 g of a catalyst containing (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, (B-2) a contact reaction product of (B-1) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, titanium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one of L is a ligand having a cycloalkadienyl skeleton, and when at least two or more ligands having a cycloalkadienyl skeleton are contained, at least two ligands having cycloalkadienyl skeleton may be linked together via lower alkylene, substituted, alkylene, silylene or substituted silylene, L other than the ligand having a cycloalkadienyl skeleton is hydrocarbon group of 1-12 carbon atoms, alkoxy of 1-12 carbon atoms, aryloxy, halogen or hydrogen, and x is a valence of the transition metal, (B-b) Bronsted acid or proton, and (B-c) an anion compound containing boron, and at least one member selected from the group consisting of (C) aluminoxane and (D) organoaluminum compound, and (II) (C) an aluminoxane and/or (D) an organoaluminum compound.
References Cited (Backward Citations)
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