Olefin polymerization catalyst and olefin polymerization
AssigneeMitsui Petrochemical Industries, Ltd.
InventorsTakashi Ueda, Okawa Kazunori
Life of this patent
Estimating the term…
Abstract
A solid catalyst for olefin polymerization comprising [A] a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups of II, III and IV of the periodic table, and containing (ii) at least 1.0 % by weight of water, [B] an organoaluminum oxy compound, and [C] a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, wherein the organoaluminum oxy compound [B] and the transition metal compound [C] are supported on the particulate carrier [A].
Claims13
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a solid catalyst for olefin polymerization comprising
- a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table and containing (ii) at least 1.0% by weight of water,
- an organoaluminum oxy compound, and
- a transition metal compound of metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadieny skeleton,
- wherein the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier.
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a solid catalyst for olefin polymerization comprising
- a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table, and containing (ii) at least 1.0% by weight of water,
- an organoaluminum oxy compound, and
- a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton,
- wherein the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier, and
- an organoaluminum compound.
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a solid catalyst for olefin polymerization comprising
- a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table, and containing (ii) at least 1.0 % by weight of water,
- an organoaluminum oxy compound,
- a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton and
- an organoaluminum compound,
- wherein the organoaluminum oxy compound, the transition metal and the organoaluminum compound are supported on the particulate carrier.
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a prepolymerized catalyst for olefin polymerization which comprises a solid catalyst comprising
- a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table, and containing (ii) at least 1.0 % by weight of water,
- an organoaluminum oxy compound,
- a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, and
- a prepolymerized polyolefin formed on the solid catalyst
- wherein in the prepolymerized catalyst the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier.
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a prepolymerized catalyst for olefin polymerization and an organoaluminum compound, said prepolymerized catalyst which comprises a solid catalyst comprising
- a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table and containing (ii) at least 1.0 % by weight of water,
- an organoaluminum oxy compound,
- a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, and
- a prepolymerized polyolefin formed on the solid catalyst
- wherein in the prepolymerized catalyst the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier.
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a prepolymerized catalyst for olefin polymerization which comprises a solid catalyst comprising
- a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table and containing (II) at least 1.0 % by weight of water,
- an organoaluminum oxy compound, and
- a transition metal of metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, and
- an organoaluminum compound, and
- a prepolymerized polyolefin formed on the solid catalyst
- wherein in the prepolymerized catalyst the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier.
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a prepolymerized catalyst for olefin polymerization and an organoaluminum compound, said prepolymerized catalyst for olefin polymerization which comprises a solid catalyst comprising
- a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table and containing (ii) at least 1.0 % by weight of water,
- an organoaluminum oxy compound,
- a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadieny skeleton, and
- an organoaluminum compound, and
- a prepolymerized polyolefin formed on the solid catalyst
- wherein in the prepolymerized catalyst the organoaluminum oxy compound, the transition metal and the organoaluminum compound are supported on the particulate carrier.
Dependencies are inferred from the claim text.