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Olefin polymerization catalyst and process for the polymerization of olefins

Assignee: Mitsui Chemicals Inc
•
Filing: 1992-05-27
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Granted: 1993-11-30
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Expires: 2012-05-27
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Abstract

Abstract In accordance with the present invention, there are provided olefin polymerization solid catalysts comprising [A] a solid titanium catalyst component containing titanium, magnesium and halogen as its essential ingredients, said catalyst component having supported thereon [B] a transition metal compound containing a ligand having a cycloalkadienyl skeleton and, if necessary, [C] an organoaluminum oxy-compound. In accordance with the invention, there are also provided olefin polymerization solid catalysts comprising [i] a solid containing a transition metal compound containing a ligand having a cycloalkadienyl skeleton, said solid having supported thereon [ii] a titanium catalyst component containing titanium, magnesium and halogen as its essential ingredients and, if necessary, [iii] an organoaluminum oxy-compound.

Inventors

  • 👤 Toshiyuki Tsutsui
  • 👤 Takashi Ueda

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 12:59
CPC Classifications
C; C08; C08F; C08F10/00; C08F4/00; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/639; C08F4/63904; C08F4/63916; C08F4/6392; C08F4/63922; Y; Y10; Y10S; Y10S526/00; Y10S526/943

Claims Analysis

Total Claims: 33
Claim 1
Independent Claim 140 words
An olefin polymerization solid catalyst component comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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.
Claim 2
Dependent Claim 140 words
An olefin polymerization solid catalyst component comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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.
Claim 3
Dependent Claim 148 words
An olefin polymerization catalyst comprising (Ia) a solid catalyst component comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 (II) an aluminoxane.
Claim 4
Dependent Claim 148 words
An olefin polymerization catalyst comprising (Ia) a solid catalyst component comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 (II) an aluminoxane.
Claim 5
Dependent Claim 152 words
An olefin polymerization catalyst comprising (Ia) a solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 (II) an aluminoxane, and (III) an organoaluminum compound.
Claim 6
Dependent Claim 152 words
An olefin polymerization catalyst comprising (Ia) a solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 (II) an aluminoxane, and (III) an organoaluminum compound.
Claim 7
Dependent Claim 156 words
A pre-polymerization catalyst prepared by pre-polymerizing olefin on an olefin polymerization catalyst comprising (Ia) a solid catalyst component comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 (II) an aluminoxane.
Claim 8
Dependent Claim 156 words
A pre-polymerization catalyst prepared by pre-polymerizing olefin on an olefin polymerization catalyst comprising (Ia) a solid catalyst component comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 (II) an aluminoxane.
Claim 9
Dependent Claim 161 words
A pre-polymerization catalyst prepared by pre-polymerizing olefin on an olefin polymerization catalyst comprising (Ia) a solid catalyst component comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 (II) an aluminoxane, and (III) an organoaluminum compound.
Claim 10
Dependent Claim 161 words
A pre-polymerization catalyst prepared by pre-polymerizing olefin on an olefin polymerization catalyst comprising (Ia) a solid catalyst component comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 (II) an aluminoxane, and (III) an organoaluminum compound.
Claim 11
Dependent Claim 36 words
An olefin polymerization catalyst comprising the pre-polymerized catalyst as described in claim 4 or claim 5, and further comprising at least one member selected from the group consisting of (II) aluminoxane and (III) an organoaluminum compound.
Claim 12
Dependent Claim 147 words
An olefin polymerization solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 13
Dependent Claim 147 words
An olefin polymerization solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 14
Dependent Claim 155 words
An olefin polymerization catalyst comprising (Ib) a solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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) an aluminoxane.
Claim 15
Dependent Claim 155 words
An olefin polymerization catalyst comprising (Ib) a solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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) an aluminoxane.
Claim 16
Dependent Claim 156 words
An olefin polymerization catalyst comprising (Ib) a solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 (III) an organoaluminum compound.
Claim 17
Dependent Claim 156 words
An olefin polymerization catalyst comprising (Ib) a solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 (III) an organoaluminum compound.
Claim 18
Dependent Claim 159 words
An olefin polymerization catalyst comprising (Ib) a solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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, (II) an aluminoxane, and (III) an organoaluminum compound.
Claim 19
Dependent Claim 159 words
An olefin polymerization catalyst comprising (Ib) a solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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, (II) an aluminoxane, and (III) an organoaluminum compound.
Claim 20
Dependent Claim 155 words
A prepolymerized catalyst prepared by pre-polymerizing olefin on an olefin polymerization solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 21
Dependent Claim 155 words
A prepolymerized catalyst prepared by pre-polymerizing olefin on an olefin polymerization solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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 22
Dependent Claim 164 words
An olefin polymerization catalyst comprising (Ic) a pre-polymerized catalyst prepared by pre-polymerizing olefin on an olefin polymerization solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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, (II) an aluminoxane.
Claim 23
Dependent Claim 164 words
An olefin polymerization catalyst comprising (Ic) a pre-polymerized catalyst prepared by pre-polymerizing olefin on an olefin polymerization solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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, (II) an aluminoxane.
Claim 24
Dependent Claim 165 words
An olefin polymerization catalyst comprising (Ic) a pre-polymerized catalyst prepared by pre-polymerizing olefin on an olefin polymerization solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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, (III) an organoaluminum compound.
Claim 25
Dependent Claim 165 words
An olefin polymerization catalyst comprising (Ic) a pre-polymerized catalyst prepared by pre-polymerizing olefin on an olefin polymerization solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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, (III) an organoaluminum compound.
Claim 26
Dependent Claim 169 words
An olefin polymerization catalyst comprising (Ic) a pre-polymerized catalyst prepared by pre-polymerizing olefin on an olefin polymerization solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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, (II) an aluminoxane, and (III) an organoaluminum compound.
Claim 27
Dependent Claim 169 words
An olefin polymerization catalyst comprising (Ic) a pre-polymerized catalyst prepared by pre-polymerizing olefin on an olefin polymerization solid catalyst comprising (A) a solid titanium catalyst component prepared by contacting titanium compound with halogen containing magnesium compound, and having supported thereon following (B) and (C); (B) a transition metal compound having formula MLx wherein M is a transition metal selected from the group consisting of zirconium, hafnium, chromium and vanadium, L is a ligand coordinating to the transition metal, at least one 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, (II) an aluminoxane, and (III) an organoaluminum compound.
Claim 28
Dependent Claim 64 words
The olefin polymerization catalyst according to claim 1 in which: (a) the atomic ratio of the transition metal to titanium is in the range of from 0.02 to 10; (b) the atomic ratio of magnesium to titanium is in the range of from 1 to 100; and (c) the atomic ratio of halogen to titanium is in the range of from 4 to 200.
Claim 29
Dependent Claim 88 words
The olefin polymerization catalyst according to any one of claims 2, 4, 8 or 12 in which (a) the atomic ratio of the transition metal to titanium is in the range of from 0.02 to 10; (b) the atomic ratio of magnesium to titanium is in the range of from 1 to 100; and (c) the atomic ratio of halogen to titanium is in the range of from 4 to 200; and (d) the atomic ratio of aluminum to the total transition metal is not greater than 5000.
Claim 30
Dependent Claim 85 words
The olefin polymerization catalyst according to any one of claims 7 or 11 in which (a) the atomic ratio of the transition metal to titanium is in the range of from 0.02 to 10; (b) the atomic ratio of magnesium to titanium is in the range of from 1 to 100; and (c) the atomic ratio of halogen to titanium is in the range of from 4 to 200; and (d) the atomic ratio of aluminum to the transition metal is not greater than 500.
Claim 31
Dependent Claim 116 words
The olefin polymerization catalyst according to any one of claims 3, 5, 9-10 or 13-14, in which: (a) the atomic ratio of the transition metal to titanium is in the range of from 0.02 to 10; (b) the atomic ratio of magnesium to titanium is in the range of from 1 to 100; and (c) the atomic ratio of halogen to titanium is in the range of from 4 to 200; and (d) the atomic ratio of aluminum to the total transition metal is not greater than 5000; and (e) the ratio of the organoaluminum compound to aluminoxane is in the range of from 0.1 to 20; said ratio being calculated as Al (aluminum) atomic ratio.
Claim 32
Dependent Claim 81 words
The olefin polymerization catalyst according to claim 4 in which: (a) the atomic ratio of the transition metal to titanium is in the range of from 0.02 to 10; (b) the atomic ratio of magnesium to titanium is in the range of from 1 to 100; and (c) the atomic ratio of halogen to titanium is in the range of from 4 to 200; and (d) the atomic ratio of aluminum to the total transition metal is not greater than 5000.
Claim 33
Dependent Claim 126 words
The olefin polymerization catalyst according to claim 5 and further comprising at least one member selected from (II) aluminoxane and (III) an organoaluminum compound, and in which: (a) the atomic ratio of the transition metal to titanium is in the range of from 0.02 to 10; (b) the atomic ratio of magnesium to titanium is in the range of from 1 to 100; and (c) the atomic ratio of halogen to titanium is in the range of from 4 to 200; and (d) the atomic ratio of aluminum to the total transition metal is not greater than 5000; and (e) the ratio of the organoaluminum compound to aluminoxane is in the range of from 0.1 to 20; said ratio being calculated as Al (aluminum) atomic ratio.

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