Modified particles, catalyst for olefin polymerization containing the same, and method for producing olefin polymer
AssigneeSumitomo Chemical Company, Limited
InventorsTakuya Ohgane, Hideki Sato, Hiroaki Katayama
Life of this patent
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Abstract
Modified particles obtained by a process comprising contacting water-containing particles(a), an organometallic compound(b) and a compound(c) having a functional group containing active hydrogen or a non-proton donative Lewis basic functional group, and having an electron attractive group; a carrier of said particles; a catalyst component for olefin polymerization of said particles; a catalyst for olefin polymerization comprising said particles(A) and a transition metal compound(B), and optionally, an organometallic compound (C); and a method for producing an olefin polymer with said catalyst for olefin polymerization.
Claims24
Modified particles obtained by a process comprising contacting (a) porous particles having a water content of not less than 6% by weight, a diameter of 5 to 1,000 μm, a pore volume of not less than 0.3 ml/g and a specific surface area of 10 to 1000 m2/g, made of a substance selected from the group consisting of inorganic oxides, inorganic magnesium compounds, clays, clay minerals and organic polymers, (b) an organometallic compound represented by the following general formula (1):
- R1nAX3−n (1)
- wherein, A represents a boron atom or aluminum atom;
- R1 represents a hydrocarbon group having 1 to 20 carbon atoms and when a plurality of R1 are present, they may be the same or different;
- X represents a halogen atom or a hydrogen atom and when a plurality of X are present, they may be the same or different;
- and n represents a number satisfying the expression 0<n≦3, and (c) a compound having a functional group containing active hydrogen or a non-proton donative Lewis basic functional group, and an electron attractive group.
A carrier consisting essentially of modified particles obtained by a process comprising contacting (a) porous particles having a water content of not less than 6% by weight, a diameter of 5 to 1,000 μm, a pore volume of not less than 0.3 ml/q and a specific surface area of 10 to 1,000 m2/g, made of a substance selected from the group consisting of inorganic oxides, inorganic magnesium compounds, clays, clay minerals and organic polymers, (b) an organometallic compound represented by the following general formula (1):
- R1nAX3−n (1)
- wherein, A represents a boron atom or aluminum atom;
- R1 represents a hydrocarbon group having 1 to 20 carbon atoms and when a plurality of R1 are present, they may be the same or different;
- X represents a halogen atom or a hydrogen atom and when a plurality of X are present, they may be the same or different;
- and n represents a number satisfying the expression 0<n≦3, and (c) a compound having a functional group containing active hydrogen or a non-proton donative Lewis basic functional group, and an electron attractive group.
A catalyst component for olefin polymerization, consisting essentially of modified particles obtained by a process comprising contacting (a) porous particles having a water content of not less than 6% by weight, a diameter of 5 to 1,000 μm, a pore volume of not less than 0.3 ml/q and a specific surface area of 10 to 1,000 m2/g, made of a substance selected from the group consisting of inorganic oxides, inorganic magnesium compounds, clays, clay minerals and organic polymers, (b) an organometallic compound represented by the following general formula (1):
- R1nAX3−n (1)
- wherein, A represents a boron atom or aluminum atom;
- R1 represents a hydrocarbon group having 1 to 20 carbon atoms and when a plurality of R1 are present, they may be the same or different;
- X represents a halogen atom or a hydrogen atom and when a plurality of X are present, they may be the same or different;
- and n represents a number satisfying the expression 0<n≦3, and (c) a compound having a functional group containing active hydrogen or a non-proton donative Lewis basic functional group, and an electron attractive group.
A catalyst for olefin polymerization, comprising modified particles (A) obtained by a process comprising contacting (a) porous particles having a water content of not less than 6% by weight, a diameter of 5 to 1,000 μm, a pore volume of not less than 0.3 ml/q and a specific surface area of 10 to 1,000 m2/g, made of a substance selected from the group consisting of inorganic oxides, inorganic magnesium compounds, clays, clay minerals and organic polymers, (b) an organometallic compound represented by the following general formula (1):
- R1nAX3−n (1)
- wherein, A represents a boron atom or aluminum atom;
- R1 represents a hydrocarbon group having 1 to 20 carbon atoms and when a plurality of R1 are present, they may be the same or different;
- X represents a halogen atom or a hydrogen atom and when a plurality of X are present, they may be the same or different;
- and n represents a number satisfying the expression 0<n≦3, and (c) a compound having a functional group containing active hydrogen or a non-proton donative Lewis basic functional group, and an electron attractive group, a metallocene transition metal compound (B) and optionally, an organoaluminum compound (C).
A method for producing an olefin polymer, which comprises polymerizing an olefin or copolymerizing an olefin and another olefin with a catalyst for olefin polymerization comprising modified particles (A) obtained by a process comprising contacting (a) porous particles having a water content of not less than 6% by weight, a diameter of 5 to 1,000 μm, a pore volume of not less than 0.3 ml/q and a specific surface area of 10 to 1,000 m2/g, made of a substance selected from the group consisting of inorganic oxides, inorganic magnesium compounds, clays, clay minerals and organic polymers, (b) an organometallic compound represented by the following general formula (1):
- R1nAX3−n (1)
- wherein, A represents a boron atom or aluminum atom;
- R1 represents a hydrocarbon group having 1 to 20 carbon atoms and when a plurality of R1 are present, they may be the same or different;
- X represents a halogen atom or a hydrogen atom and when a plurality of X are present, they may be the same or different;
- and n represents a number satisfying the expression 0<n≦3, and (c) a compound having a functional group containing active hydrogen or a non-proton donative Lewis basic functional group, and an electron attractive group, a metallocene transition metal compound (B) and optionally, an organoaluminum compound (C).
Dependencies are inferred from the claim text.