WO2000032642A1 - Catalyseur pour la polymerisation d'olefines et procede de production d'un polymere d'olefines a l'aide de ce catalyseur - Google Patents
Catalyseur pour la polymerisation d'olefines et procede de production d'un polymere d'olefines a l'aide de ce catalyseur Download PDFInfo
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- WO2000032642A1 WO2000032642A1 PCT/JP1999/006767 JP9906767W WO0032642A1 WO 2000032642 A1 WO2000032642 A1 WO 2000032642A1 JP 9906767 W JP9906767 W JP 9906767W WO 0032642 A1 WO0032642 A1 WO 0032642A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/70—Iron group metals, platinum group metals or compounds thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/02—Carriers therefor
Definitions
- the present invention relates to an olefin polymerization catalyst and a method for producing an olefin polymer using the catalyst. More specifically, the present invention relates to an olefin polymerization catalyst for efficiently and industrially producing polyolefins, particularly, polyethylene. The present invention relates to a method for producing an olefin polymer using a catalyst. Background art
- catalysts for polymerization of olefins are mainly used as catalysts such as titanium-based catalysts and metallocene catalysts, and these catalysts are compounds of metal elements belonging to Group 4 of the periodic table, such as titanium-zirconium. Is used as the main catalyst component.
- Ni (0) complex an adduct of quinone and tertiary phosphine is coordinated with a (1) Ni (0) complex, (Japanese Patent Publication No. 5-17996), (2) Ni (0) complex, maleic anhydride and --- adduct of tertiary phosphine, phosphorus ylide, and organoaluminum compound.
- Ni (0) complex Japanese Patent Publication No. 5-17996
- Ni (0) complex Ni (0) complex
- a catalyst system comprising Ni (0) or Ni (II) complex and an iminophosphorane compound (Japanese Patent Laid-Open Publication No. Hei 3-1-15311) No.
- Group L0 metal Fe, Co, Ni, Ru, Rh, Pd, ⁇ s, Ir, P a polymerization method for ethylene using a borate complex of (t) (JP-A-4-1227608), (5) a Ni (0) complex, an adduct of imide and tertiary phosphine, and a catalyst comprising phosphinoxide System (Japanese Unexamined Patent Publication No.
- the method (1) for polymerizing ethylene has an extremely high reaction pressure (eg, 100 kgZcm 2 ) and an extremely low activity for producing polyethylene (about 6 k / g—Ni ⁇ hr).
- the catalyst system of (2) is also a reaction under high-pressure ethylene, and the catalyst is complex with many components, and the activity is extremely low (about lk gZg—N i- hr).
- the reaction pressure is low
- the activity is extremely low (about 1 kg / g-Ni-hr or less)
- the activity is extremely low in the ethylene polymerization method of (4) ( Approximately 0.1 kg / g—N i ⁇ hr or less).
- the catalyst system of (5) has low activity (about 5 kg / g-Ni-hr) and (6) require an expensive methylaluminoxane and exhibit low activity (approximately 3 kg / g -N i ⁇ hr), (7) and (8) also have extremely low activity (about 5 kg Zg—N i ⁇ h or less), and the catalyst system of (9) is linear as a co-catalyst.
- a cyclic organic aluminoxane is contained, but RNI is produced by the reaction of a trialkylaluminum or dialkylaluminum monochloride with water, and only a description of methylaluminoxane is given in the Examples.
- R 10 and R 13 are each independently an aliphatic hydrocarbon group having 1 to 20 carbon atoms or an aromatic group having a hydrocarbon group on a ring having 7 to 20 carbon atoms,
- R 11 and R 12 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and R 11 and R 12 may be bonded to each other to form a ring
- X and Y each independently represent a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms
- M represents a transition metal belonging to Groups 8 to 10 of the periodic table.
- This catalyst system has the characteristic that it is extremely active in the polymerization of ethylene compared to the catalyst system described above, but it can be used only at low temperatures and the molecular weight of the obtained polymer is low, so it is still not practical Not a target.
- X and Y are each independently a hydrogen atom, a halogen atom or a charcoal M represents a hydrocarbon group having a prime number of 1 to 20, and M represents a transition metal belonging to Groups 8 to 10 of the periodic table.
- Ethylene polymerization using these catalyst systems has the feature of being extremely active compared to the conventional Group 8-10 transition metal catalyst described above (about 40 OkgZg-Ni.h).
- aluminoxane especially methylaluminoxane, which is expensive, is inconvenient to handle, has poor storage stability, and is highly dangerous, is required.
- these aluminoxanes need to be produced by the reaction of trialkylaluminum or dialkylethanolamine monochloride with water, which is not only inefficient, but also produces catalyst residues from the produced polymer. It is necessary to remove it.
- the production method using aluminoxane there is a problem that the produced polymer adheres to the reactor wall and is weak, which may hinder stable operation of the apparatus.
- a method has been proposed in which one or both of a transition metal compound and an organic aluminum compound are polymerized with a catalyst in which an inorganic oxide or an organic substance such as silica or alumina is supported on an organic material (Japanese Patent Application Laid-Open No. 11-101). No. 303, No. 1-207303, No. 3-234709, No. 3-234710, and Japanese Translation of PCT International Publication No. 3-5018669). Further, a method using clay minerals as a catalyst component has also been proposed (Japanese Patent Application Laid-Open No. 5-301917).
- Aluminum is an essential component, and only expensive and dangerous trimethylaluminum is exemplified as a suitable material.In addition, even in these proposed methods, the activity per aluminum is not sufficient, and There is a disadvantage that the amount of catalyst residue in the product is large. Further, the obtained polymer has the drawback that it is amorphous and has a poor particle size distribution (powder / morphology).
- the present invention relates to a catalyst for polymerization of olefins and a method for producing a olefin polymer using the catalyst. More specifically, the present invention relates to a polymer which does not require a methylaluminoxane derived from an expensive trialkylaluminum at all and is produced. It is not necessary to remove the catalyst residue from the catalyst, and furthermore, the amount of the organoaluminum can be greatly reduced, and an olefin polymer, particularly a olefin polymerization catalyst capable of efficiently producing polyethylene, and a catalyst for the olefin polymerization. It is an object of the present invention to provide a method for producing a polymer. Disclosure of the invention
- the present inventors have conducted intensive studies to achieve the above object, and as a result, have found that a transition metal compound belonging to Groups 8 to 10 of the periodic table having a specific structure and a clay, a clay mineral, or an ion-exchange layer It has been found that this object can be achieved by polymerizing olefins, particularly ethylene, in the presence of a catalyst comprising a compound and an organosilane compound.
- the present invention has been completed based on such findings.
- the present invention comprises the first invention and the second invention as described below, and provides a catalyst for polymerization of an olefin and a method for producing an olefin polymer using the catalyst, respectively.
- Transition metals of Groups 8 to 10 of the periodic table having a nitrogen-containing tridentate ligand A transition metal compound represented by the following general formula (I-I), (B) a clay, a clay mineral or an ion-exchangeable layered compound, (C) an organosilane compound, and (D) an organoaluminum compound and / or (E) A polymerization catalyst comprising an alkylating agent.
- M represents a transition metal of Groups 8 to 1 ⁇ of the periodic table
- R 1 R 2 , R 3 and R 4 each independently represent a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms or Represents a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms
- X represents a halogen atom
- Y represents a hydrogen atom, a halogen atom or a hydrocarbon group having 1 to 20 carbon atoms
- Z represents a nitrogen-containing functional group.
- R 5 and R 6 are each independently an aliphatic carbon having 1 to 20 carbon atoms. It represents a hydrogen group or a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms. n represents 0 or a natural number.
- R 7 , R 8 and R 9 each independently represent an aliphatic hydrocarbon group having 1 to 20 carbon atoms or a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms, and these are bonded to each other.
- n represents 0 or a natural number.
- a method for producing an olefin polymer comprising polymerizing olefins.
- A a transition metal compound belonging to Groups 8 to 10 of the periodic table having a nitrogen-containing tridentate ligand, (B) a clay, a clay mineral or an ion-exchange layered compound, and (C) an organosilane compound Catalyst for polymerization of olefins.
- R 1 R 2 , R 3 and R 4 are each independently a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms or all A cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms, X and Y each independently represent a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and Z represents a nitrogen-containing functional group.
- R 5 and R 6 each independently represent an aliphatic hydrocarbon group having 1 to 20 carbon atoms or a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms.
- N represents 0 or a natural number.
- R 7 , R. and R 9 each independently represent an aliphatic hydrocarbon group having 1 to 20 carbon atoms or a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms, and these are bonded to each other. (N represents 0 or a natural number.)
- a method for producing an olefin polymer which comprises polymerizing an olefin in the presence of the catalyst for olefin polymerization according to any one of 1 to 7 above.
- the catalyst for polymerization of olefins of the first invention of the present invention comprises, as described above, (A) the periodic table having a nitrogen-containing tridentate ligand.
- a transition metal compound of group 8 to 10 which is represented by the general formula (I), (B) clay, clay mineral or ion-exchangeable layered compound (C), an organosilane compound ( It comprises D) an organoaluminum compound and Z or (E) an alkylating agent.
- the method for producing an olefin polymer of the present invention is a method for polymerizing olefins using the catalyst for polymerization of olefins.
- the transition metal compound (A) belonging to Groups 8 to 10 of the periodic table having a nitrogen-containing tridentate ligand according to the present invention is a transition metal compound represented by the following general formula (I-I). is there.
- R 1 R 2 , R 3 and R 4 are each independently a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms or Represents a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms
- X represents a halogen atom
- Y represents a hydrogen atom, a halogen atom or a hydrocarbon group having 1 to 20 carbon atoms
- Z represents a nitrogen-containing functional group.
- M represents a transition metal of Groups 8 to 10 of the periodic table, and specifically includes Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, and Pt. Can be Of these, Fe or Co is preferred.
- R 1 , R 2 , R 3 and R 4 each independently represent a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms or a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms, and 1 to 20 carbon atoms.
- the hydrocarbon group include a linear hydrocarbon group having 1 to 20 carbon atoms, a branched hydrocarbon group having 3 to 20 carbon atoms, and a cyclic aliphatic hydrocarbon group having 3 to 20 carbon atoms.
- X represents a halogen atom
- Y represents a hydrogen atom, a halogen atom or a hydrocarbon group having 1 to 20 carbon atoms
- the hydrocarbon group having 1 to 20 carbon atoms is as described above.
- halogen atom examples include a chlorine atom, a bromine atom, a fluorine atom, and an iodine atom.
- a chlorine atom is preferable, and a methyl group is preferable as the hydrocarbon group having 1 to 2 ° carbon atoms.
- Z represents a nitrogen-containing functional group, and a nitrogen-containing functional group represented by the following general formula ( ⁇ - ⁇ ) can be preferably used.
- R 5 and R each independently represent an aliphatic hydrocarbon group having 1 to 20 carbon atoms or a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms. N represents 0 or a natural number
- n is 0 or a force indicating a natural number, preferably 0, 1, 2, or 3 is there.
- nitrogen-containing compound represented by the general formula (I-I) include:
- a nitrogen-containing functional group represented by the following general formula (im) can also be preferably used.
- R 7 , R 8 and R 9 each independently represent an aliphatic hydrocarbon group having 1 to 20 carbon atoms or a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms, and these are bonded to each other.
- n represents 0 or a natural number.
- R 7 , R 8 and R 9 examples include R 1 R 2 , R 3 and R 4 It is the same as the hydrocarbon group having 1 to 20 carbon atoms and the cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms as described.
- R 7 , R 8 and R 9 may be bonded to each other to form a ring.
- the ring is not particularly limited, and examples thereof include a cyclohexyl skeleton and a cyclopentyl skeleton.
- n represents 0 or a natural number, preferably 0 ⁇ 1, 2, 3 Is one of
- nitrogen-containing compound represented by the general formula (I—m) include:
- a nitrogen-containing functional group having a pyridine skeleton and represented by the above general formula (I- ⁇ ) is particularly preferable.
- a preferred typical example of the transition metal compound represented by the general formula (I-I) includes a transition metal compound represented by the following general formula (I-IV).
- iM represents Fe or Co
- X represents a halogen atom
- Y represents a hydrogen atom, a halogen atom or a hydrocarbon group having 1 to 20 carbon atoms.
- transition metal compounds include compounds represented by the following formulas [3] to [15].
- one of the above-mentioned transition metal compounds may be used as the component (A), or two or more thereof may be used in combination.
- clay clay mineral or ion-exchange layered compound is used.
- Clay is an aggregate of fine hydrated silicate minerals. It is a substance that gives rise to plasticity when mixed with an appropriate amount of water, shows rigidity when dried, and sinters when baked at high temperatures. Clay minerals are hydrous silicates that are the main component of clay.
- the ion-exchangeable layered compound is a compound having a crystal structure in which planes formed by ion bonds or the like are stacked in parallel with a weak bonding force to each other, and means a compound whose contained ions are exchangeable.
- Some clay minerals are ion-exchangeable layered compounds.
- phyllokeic acids are mentioned as clay minerals.
- examples of the phyllokeic acids include phyllokeic acid and phyllokeic acid salts.
- bilokerate as natural products, montmorillonite, savonite, hectolite belonging to smectite group, illite belonging to mica group, sericite, smectite group and mica group, or mica group and bamiculite And mixed-layer minerals.
- examples of synthetic products include tetrasilicic mica, labonite, smecton, and the like.
- a layered crystal structure that is not a clay mineral such as ct-Zr (HPO4) 2, ⁇ -Zr (HPO4) 2, Hiichi Ti (HPO4) 2 and ⁇ -Ti (HPO4) 2
- An ionic crystalline compound can be mentioned.
- the component (B) is referred to as a component (A) or a component (C) upon contact with the component, removing impurities from the clay, clay mineral and ion-exchangeable layered compound, or changing the structure and function. From the viewpoint, it is also preferable to perform chemical treatment.
- the chemical treatment means either a surface treatment for removing impurities adhering to the surface or a treatment that affects the crystal structure of the clay.
- Specific examples include acid treatment, alkali treatment, salt treatment, and organic matter treatment.
- Acid treatment not only removes surface impurities, but also increases surface area by eluting cations such as aluminum, iron, and magnesium in the crystal structure.
- Alkali treatment destroys the crystal structure of the clay, causing a change in the structure of the clay.
- an ionic complex, a molecular complex, an organic complex, and the like are formed, and the surface area, the interlayer distance, and the like can be changed.
- the above-mentioned component (B) may be used as it is, may be newly added with water and adsorbed, or may be subjected to heat dehydration treatment.
- component (B) preferred are clays or clay minerals, most preferred are phylloic acids, and among them, smectite is good and amolyte mouth is more preferred.
- component (c) Organosilane compound
- organosilane compound used as the component (C) in the present invention examples include trimethylsilyl chloride, triethylsilyl chloride, triisopropylsilyl chloride, tert-butyldimethylsilyl chloride.
- Halides bis (trimethylsilyl) amine, bis (triethylsilyl) amine, bis (triisopropylsilinole) amine, bis (dimethylethylsilyl) amine, bis (dimethylmethylsilyl) amine, bis (bis) Dimethylphenylsilyl) amine, bis (dimethyltolylsilyl) amine, bis (dimethylmesitylsilyl) amine, N, N-dimethylaminotrimethylsilane, (getylamino) trimethylsilane, N— (trimethylsilyl) ) Silylamines such as imidazole, polysilanols commonly used in the name of peralkylpolysiloxypolyol, silanols such as tris (trimethylsiloxy) silanol, N, ⁇ _bis (trimethylsilyl) acetamide , Bis (trimethylsilyl) trifluoroacetamide, N
- component (C) one type may be used from among these, but in some cases, two or more types may be used in any combination.
- the organoaluminum compound as the component (D) is not particularly limited.
- an alkyl group-containing aluminum compound represented by the following general formula (IV) can be preferably used.
- R 14 and R 15 each represent a hydrogen atom or a hydrocarbon group having 1 to 20, preferably 1 to 4 carbon atoms, L represents a halogen atom, and p represents 0 ⁇ p 3 , Preferably 2 or 3, most preferably 3, q is 0 ⁇ q ⁇ 3, preferably 0 or 1,
- trimethyl aluminum triethyl aluminum
- Trialkylaluminum such as propylaluminum, triisobutylaluminum, and tributylaluminumaluminum, dimethylanoleminium chloride, getinolealuminum chloride, dimethylaluminum methoxide, getinolenoleminium methoxide
- Halogen such as dimethino-leno-renamidum hydroxide, ethyl ano-lemin dimethyl hydroxide, and hydrogen-containing atom such as alkylaluminum, dimethylaluminum hydride and diisobutylaluminum hydride containing anoreoxy or hydroxyl group.
- trialkylaluminum is preferable, and trimethylaluminum or triisobutylaluminum is particularly preferable.
- These organoaluminum compounds may be used alone or in combination of two or more.
- an alkylating agent is used as the component (E).
- alkylating agents for example, an alkyl group-containing aluminum compound represented by the general formula (V) or an alkyl group-containing magnesium compound represented by the following general formula (I-VI), Examples include an alkyl group-containing zinc compound represented by the general formula (I-W).
- R 16 represents a hydrocarbon group having 1 to 20 carbon atoms, preferably 1 to 3 carbon atoms, and they may be the same or different.
- an alkyl group-containing aluminum compound particularly a trialkylaluminum dialkylaluminum compound
- trimethylaluminum, triethyla Noreminiumu, tree n - propyl aluminum, tri one n- Buchiruaru Miniumu, triisobutylaluminum, tree t one-butyl Arumini ⁇ beam such trialkylaluminum, dimethyl aluminum chloride Li de, di E chill aluminum chloride Li de, di one n _ butyl Dialkylaluminum halides such as aluminum chloride, diisobutynolenoleminium chloride, and dibutylaluminoleminodium chloride; dialkylaluminum anoreoxide such as dimethylaluminum methoxide and dimethylaluminum ethoxide; Examples thereof include dialkylaluminum hydrides such as dimethylaluminum hydride, dimethyl
- dialkyl zinc such as dimethylmagnesium, methylmagnesium, di-n-propylmagnesium, diisopropylmagnesium, dibutylmagnesium, etc.
- dialkyl zinc such as dimethylmagnesium, methylmagnesium, di-n-propylmagnesium, diisopropylmagnesium, dibutylmagnesium, etc.
- an alkyl group-containing aluminum compound represented by the above general formula (IV) is preferable. Of these, trialkylaluminum is preferred.
- component (E) one kind of the above compounds may be used, or two or more kinds may be used in combination.
- each catalyst component in the present invention is not particularly limited.
- the component (B) is a clay or a clay mineral
- the hydroxyl group in the component (B) is added to 1 mole of the transition metal in the component (A).
- the silicon atom of the component (C) is usually 0.1 to L
- the ratio of the anohyminine atom in the organoaluminum compound of component (D) is usually 0.1 to 1.0 mol, preferably 0.5 to 100 mol.
- the transition metal in the component (A) is 0.0 ⁇ 00 to 1 g per 1 g of the component (B).
- C) It is preferable to use the silicon atom in the component in a ratio of 0.001 to 100 g.
- the aluminum, magnesium or zinc atom in the component (E) in a proportion of 1 to 10,000 mol. If the ratio is outside the above range, the polymerization activity may decrease.
- the method for preparing the polymerization catalyst is not particularly limited, and various methods can be applied.
- the components (A), (B), (C) and (D) when using the components (A), (B), (C) and (D), add the components (C) and (D) after contacting the components (A) and (B). . After the components (A) and (C) and (D) are brought into contact, the (B) component is added. After the components (C) and (D) are brought into contact with the component (B), the component (A) is added.
- a preferred method is to add the component (A) after bringing the component (C) and the component (D) into contact with the component (B).
- the order of addition of the component (E) is not particularly limited. However, regardless of the presence or absence of the component (D), each component is prepared in accordance with any of the above four preparation methods. It is preferred that after adding and contacting, the component (E) is added into the polymerization system and brought into contact. Further, in the present invention, a polymer such as polyethylene or polypropylene, or an inorganic oxide such as silica or alumina may coexist or be brought into contact with or after each component is contacted.
- the contact may be performed in an inert gas such as nitrogen, or in a hydrocarbon such as pentane, hexane, heptane, toluene, or xylene.
- an inert gas such as nitrogen
- a hydrocarbon such as pentane, hexane, heptane, toluene, or xylene.
- the addition of each component can be carried out at the polymerization temperature / of 30 ° C ⁇ It is preferable to carry out the reaction at the boiling point of each solvent, particularly between room temperature and the boiling point of the solvent.
- homopolymerization of orefins or copolymerization of orefins with other orefins and Z or other monomers using the above-mentioned polymerization catalyst that is, different types of orefins
- Copolymerization with analogs, copolymerization of olefins with other monomers, or copolymerization of different olefins with other monomers can be suitably carried out.
- the olefins are not particularly limited, but ⁇ -olefins having 2 to 20 carbon atoms are preferred.
- this olefin examples include ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene, 4-phenylene 1-butene, 6-phenylenolate 1 1-hexene, 3-methylinole 1-butene, 4-methylinole 1-butene, 3-methyl-1-1-pentene, 4-methyl-1-hexene, 5-methyl-1-hexene, 3,3-dimethyl-1-pentene, 3 , 4 Dimethinole 1 1-pentene, 4,4-dimeth / le 1 1-pentene, ⁇ -olefins such as vinylinolecyclohexane, 3- butadiene, 4-1-pentadiene, 1,5—Gens such as hexadiene, hexafluorop Mouth pen, Tetrafsoole ethylene, 2-Funoleo propene, Funolelo-ethylene,
- the above olefins may be used alone or in combination of two or more.
- the above olefins can be arbitrarily combined.
- the above olefins and other monomers may be copolymerized.
- examples of other monomers used in this case include butadiene, isoprene, 1,4-pentadiene, , 5—Chained diolefins such as hexadiene, norbornene, 1,4,5,8-dimethanone 1,2,3,4,4a, 5,8,8a—Oktahidronaphthalene, 2-nonolebornene, etc.
- Polycyclic olefins such as 5-ethylidene nonolevonorenene, 5-vinylinolenolevenolenene and dicyclopentenegen, and unsaturated esters such as ethyl acrylate and methyl methacrylate. it can.
- ethylene is particularly preferred as this olefin. is there.
- the method for polymerizing the olefins is not particularly limited, and any polymerization method such as a slurry polymerization method, a solution polymerization method, a gas phase polymerization method, a bulk polymerization method, and a suspension polymerization method can be employed.
- the solvent may be benzene, toluene, xylene, n-hexane, n-heptane, cyclohexane, methylene chloride, chlorophonolem, 1,2-dichloroethane, or chlorobenzene.
- hydrogens and halogenated hydrocarbons may be used alone or in combination of two or more.
- monomers used for polymerization may be used depending on the type.
- the amount of the catalyst used in the polymerization reaction should be such that the amount of the component ( ⁇ ) is usually in the range of 0.5 to 100 micromol, preferably 2 to 25 micromol per 1 liter of the solvent. Selection is advantageous in terms of polymerization activity and reactor efficiency.
- the pressure is usually selected from the range of normal pressure to 2000 kg / cm 2 G.
- the reaction temperature is usually in the range of ⁇ 50 ° C. to 250 ° C.
- Methods for adjusting the molecular weight of the polymer include the type and amount of each catalyst component, selection of the polymerization temperature, and introduction of hydrogen.
- the chemically treated montmorillonite obtained in (1) was determined from the weight loss. Same as above.) 1. Og was added, and 25 milliliters of toluene was added thereto and dispersed to form a slurry. To this was added 3 g (5.2 mmol) of phenylmethylsilyl dichloride, and the mixture was stirred at room temperature for 60 hours, and further heated and stirred at 100 ° C for 1 hour. After cooling to room temperature and extracting the supernatant, the solid component was washed with 200 milliliters of toluene.
- This polymer has an intrinsic viscosity [] measured in decalin at 135 ° C of 3.
- the density was 0.9332 g / cm 3 at 94 deciliters / g.
- Example I An operation was carried out in the same manner as 1 (1).
- Example 11 was carried out in the same manner as in Example I-11 except that triisobutylaluminum was used instead of trimethylaluminum. As a result, 68.1 g of a polymer was obtained (activity was 464 kgZg—Fe′hr).
- This polymer has an intrinsic viscosity [/] of 8. measured in 135 ° C decalin.
- the density was 0.936 g / cm 3 at 95 deciliters Zg.
- Example I An operation was carried out in the same manner as 1 (1).
- Example 11 was carried out in the same manner as in Example I-11, except that the above-mentioned [4] was used instead of the iron complex [3], and trimethylaluminum was not used.
- 70.2 g of the polymer were obtained (activity 478 kgZg—Fe'hr).
- This polymer has an intrinsic viscosity [] measured in decalin at 135 ° C of 3.
- the solution had a density of 86 deciliters / g and a density of 0.9342 g / cm 3 .
- Example I An operation was carried out in the same manner as 1 (1).
- a 1.6-liter autoclave was thoroughly dried, replaced with nitrogen, dehydrated at room temperature, and then dehydrated at room temperature.
- the mixture was prepared as follows: (4) milliliters of toluene, 25 micromoles of trimethylaluminum, as described in (2) above. 5 milliliters of the prepared clay mineral solution (equivalent to 0.1 lg clay mineral) and 5 micromoles of the iron complex of the above [3] as a transition metal compound having a nitrogen-containing tridentate ligand were successively charged at 25 ° C. at C, while continuously feeding ethylene to maintain the pressure 8 k gZ cm 2 G, was 30 minutes polymerization. Thereafter, the polymerization was stopped by adding methanol. The polymer was separated by filtration and dried at 90 ° C. under reduced pressure for 12 hours. As a result, 62.5 g of a polymer was obtained. The activity per catalyst was 426 kg / g-Fe ⁇ hr.
- This polymer is 135.
- the intrinsic viscosity [] measured in C decalin is 4.
- the density was 53 deciliters Z g and the density was 0.9 368 gZcm 3 .
- Example I An operation was carried out in the same manner as 1 (1). -One (2) Contact treatment with silane compound
- Example I It carried out similarly to 14 (2).
- This polymer has an intrinsic viscosity [77] of 8. measured in decalin at 135 ° C.
- the density was 0.733 g / cm 3 .
- Example I-11 As a cocatalyst, the procedure of Example I-11 was repeated except that 1 mmol of methylaluminoxane was used instead of the clay mineral solution prepared in Example I-11 (2) to obtain a polymer 54.1 g ( An activity of 369 kg gZg—F e ⁇ hr) was obtained.
- This polymer has an intrinsic viscosity of 3.6 deciliters Zg and a density of 0.
- Example 1 The procedure was carried out in the same manner as in Example 1 except that methylaluminoxane (165 ⁇ mol) was used instead of the clay mineral solution prepared in Example I-1 (2) as a cocatalyst. (Activity 173 kg / g—Fe ⁇ hr) was obtained.
- the intrinsic viscosity [R] of this polymer was 1.23 deciliters / g, and the density was 0.932 24 gZcm 3 .
- the catalyst for polymerization of olefin includes (A) a transition metal compound belonging to Groups 8 to 10 of the periodic table having a nitrogen-containing tridentate ligand, (B) a clay, a clay mineral or an ion-exchangeable compound. It consists of a layered compound and (C) an organosilane compound.
- the method for producing an olefin polymer of the present invention is a method for polymerizing olefins using the olefin polymerization catalyst.
- the transition metal compound (A) belonging to Groups 8 to 10 of the periodic table having a nitrogen-containing tridentate ligand according to the present invention is not particularly limited, but is represented by the following general formula ( ⁇ I). Transition metal compounds are preferred.
- M represents a transition metal of Groups 8 to 10 of the periodic table, R 1 R 2 ,
- R 3 and R 4 each independently represent a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms or a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms, and X and Y each independently represent a hydrogen atom or a carbon atom number; Z represents a hydrocarbon group of 1 to 20, and Z represents a nitrogen-containing functional group.
- M represents a transition metal belonging to Groups 8 to 10 of the periodic table, and specifically includes Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, and Pt. one. this Of these, Fe or Co is preferred.
- R 1 , R 2 , R 3 and R 4 each independently represent a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms or a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms;
- Examples of the 20 hydrocarbon groups include linear hydrocarbon groups having 1 to 20 carbon atoms, branched hydrocarbon groups having 3 to 20 carbon atoms, and cyclic aliphatic hydrocarbons having 3 to 20 carbon atoms. Groups.
- Examples include tetradecyl, hexadecyl, octadecyl, cyclopentyl, cyclohexyl, cyclooctyl and the like.
- X and Y each represent a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group having 1 to 20 carbon atoms is the same as that described above. preferable. X and Y may be the same or different.
- Z represents a nitrogen-containing functional group, and a nitrogen-containing functional group represented by the following general formula ( ⁇ - ⁇ ) can be preferably used.
- R 5 and R 6 each independently represent an aliphatic hydrocarbon group having 1 to 20 carbon atoms or a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms.
- N represents 0 or a natural number
- Examples of the aliphatic hydrocarbon group having 1 to 20 carbon atoms and the cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms in R 5 and R 6 include the carbon atoms described in R 1 R 2 , R 3 and R 4 . They are the same as the hydrocarbon groups having 1 to 20 carbon atoms and the cyclic aromatic hydrocarbon groups having 7 to 20 carbon atoms.
- n represents 0 or a natural number, and is preferably any of ⁇ , 1, 2, and 3.
- nitrogen-containing functional group represented by the general formula ( ⁇ — ⁇ ) include:
- a nitrogen-containing functional group represented by the following general formula ( ⁇ -m) can also be preferably used.
- R 7 , R 8 and R 9 each independently represent an aliphatic hydrocarbon group having 1 to 20 carbon atoms or a cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms, They may combine with each other to form a ring.
- n indicates 0 or a natural number.
- Examples of the aliphatic hydrocarbon group having 1 to 20 carbon atoms and the cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms in R 7 , R 8 and R 9 include R 1 R 2 , R 3 and R This is the same as the hydrocarbon group having 1 to 20 carbon atoms and the cyclic aromatic hydrocarbon group having 7 to 20 carbon atoms described in 4 .
- n represents 0 or a natural number, preferably 0, 1, 2, or 3.
- R 7 , R 8 and R 9 may be bonded to each other to form a ring.
- Specific examples of the nitrogen-containing functional group represented by the general formula ( ⁇ — ⁇ ) include:
- a nitrogen-containing functional group having a pyridine skeleton and represented by the above general formula ( ⁇ - ⁇ ) is particularly preferable.
- One preferred typical example of the transition metal compound represented by the general formula ( ⁇ -I) is a transition metal compound represented by the following general formula.
- ⁇ represents Fe or Co
- X and Y each independently represent a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms.
- transition metal compounds include compounds represented by the following formulas [3] to [11].
- one of the above-mentioned transition metal compounds may be used as the component (A), or two or more thereof may be used in combination.
- component (B) clay, a clay mineral or an ion-exchangeable layered compound is used, and the contents and examples thereof all apply to the description of the first invention.
- an organosilane-based compound is used as the component (C), and the contents and examples thereof all apply to the description of the first invention.
- an organoaluminum compound may be used as necessary, but the contents and examples thereof all apply to the first invention. From the viewpoint of polymerization activity, the component (D) is preferably present.
- each catalyst component used in the present invention is a clay or a clay mineral
- the transition metal of component (A) 1 The proportion of the hydroxyl group in the component (B) is usually 0.1 to 100,000 mol, preferably 0.5 to 10000 mol, and the silicon atom of the component (C) is usually 0.1 to 100 mol. : L 0000 ⁇ mol, preferably 0.5 to: 10000 mol, and the amount of aluminum atoms in the organoaluminum compound as the component (D) is usually from 0: to 100,000 mol, preferably 0 to 100,000 mol. It is used at a ratio of 5 to 1,000,000 moles.
- the ratio of the transition metal in the component (A) to 0.1 0001 to 1 g per 1 g of the component (B) It is preferred that the silicon atom is used in a proportion of 0.001 to 100 g in the component and the aluminum atom in the component (D) is used in a proportion of 1 to 10,000 mol.
- the method for preparing the polymerization catalyst is not particularly limited, and various methods can be applied.
- (C) is added after the components (A) and (B) are brought into contact.
- the component (B) After contacting the components (A) and (C), the component (B) is added. After the component (C) is brought into contact with the component (B), the component (A) is added. There is a method in which the three components are brought into contact at the same time. Of these, the preferred
- the order of contact with other components is not particularly limited in the above-mentioned four types of preparation methods, and the component may be present in the system from the beginning. May be used after being brought into contact with.
- a solid such as a polymer such as polyethylene or polypropylene, or an inorganic oxide such as silica or alumina may be allowed to coexist or be brought into contact with or after the contact of each catalyst component.
- Contacting in an inert gas such as nitrogen, pentane, hexane, heptane, may be performed in a hydrocarbon such as toluene w Kijiren. Addition or contact of each component
- the reaction can be carried out at a temperature of from 130 ° C. to the boiling point of each solvent, particularly from room temperature to the boiling point of the solvent.
- the process for producing the olefin polymer of the present invention comprises the above-mentioned (A) component transition metal compound, (B) component clay, clay mineral or ion-exchange layered compound, and (C) component organosilane compound.
- This is a method for producing a polymer, which comprises homopolymerizing or copolymerizing an olefin in the presence of a catalyst.
- homopolymerization of olefins or copolymerization of olefins with other olefins and / or other monomers using the above-mentioned polymerization catalyst that is, different types of olefins.
- Copolymerization with analogs, copolymerization of olefins with other monomers, or copolymerization of different olefins with other monomers can be suitably carried out.
- the oligomers There is no particular limitation on the oligomers, and all examples described in the first invention apply to the examples.
- the above olefins may be used alone or in combination of two or more.
- the above olefins can be arbitrarily combined.
- the above-mentioned olefins and other monomers may be copolymerized, and examples of other monomers used in this case are described in the first invention. That is true.
- ethylene is particularly preferable as the olefins.
- the method for polymerizing the olefins is not particularly limited, and any polymerization method such as a slurry polymerization method, a solution polymerization method, a gas phase polymerization method, a bulk polymerization method, and a suspension polymerization method can be employed.
- the solvent may be benzene, toluene, Examples include hydrocarbons and halogenated hydrocarbons such as xylene, n-hexane, n-heptane, cyclohexane, chloromethylene, chloroform, 1,2-dichloroethane, and chlorobenzene. These may be used alone or in combination of two or more. In addition, monomers used for polymerization may be used depending on the type.
- the amount of the catalyst used in the polymerization reaction is selected so that the component [A] is usually in the range of 0.5 to 100 micromol, preferably 2 to 25 micromol per liter of the solvent. Is advantageous in terms of polymerization activity and reactor efficiency.
- the pressure is usually selected from the range of normal pressure to 2000 kg / cm 2 G.
- the reaction temperature is usually in the range of 150 ° C. to 250 ° C.
- Methods for adjusting the molecular weight of the polymer include the type and amount of each catalyst component, the selection of the polymerization temperature, and the introduction of hydrogen.
- the chemically treated montmorillon mouth obtained in (1) was placed in a 300-milliliter Schlenk tube (moisture content: 15% by weight, determined from the weight loss during heat dehydration at 150 ° C for 1 hour). 1. Og was added, and 25 milliliters of toluene was added thereto and dispersed to form a slurry. To this was added 1.13 g (5.2 mmol) of phenethylmethylsilyl dichloride, and the mixture was stirred at room temperature for 60 hours, and further heated and stirred at 100 ° C for 1 hour. After cooling to room temperature and extracting the supernatant, the solid component was washed with 200 milliliters of toluene. The resulting slurry was newly added with toluene to make a total volume of 50 milliliters, and a clay mineral solution was obtained.
- a 1.6-liter autoclave was thoroughly dried, replaced with nitrogen, and then dehydrated at room temperature.
- 5 ml of clay mineral solution prepared in (2) ( 0.1 g clay mineral), as a transition metal compound belonging to Groups 8 to 10 of the periodic table having a nitrogen-containing tridentate ligand.
- Polymerization was carried out for 30 minutes while continuously supplying ethylene so as to maintain 2 G. Thereafter, the polymerization was stopped by adding methanol. The polymer was separated by filtration and dried under reduced pressure at 90 ° C. for 12 hours. As a result, 62.2 g of a polymer was obtained.
- the activity per catalyst was 423 kg / g-Fe'hr.
- the resulting polymer had an intrinsic viscosity [/?] Of 4.2 deciliters / g and a density of 0.9935 1 g / cm 3 measured in decalin at 135 ° C.
- the resulting polymer was granular, bulk density 0. 3 5 g / m 3 der I got it.
- no adhesion to the reactor wall was observed.
- a transition metal compound belonging to Groups 8 to 10 of the periodic table having a nitrogen-containing tridentate ligand, a clay, a clay mineral or an ion-exchangeable layered compound, an organosilane compound, and an organoaluminum compound Is highly active does not adhere to the reactor wall, and can produce polyolefin having excellent powder-morpho-mouth structure. Therefore, polyolefin (particularly, polyethylene) can be industrially advantageously produced.
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020007008397A KR20010040532A (ko) | 1998-12-02 | 1999-12-02 | 올레핀 중합용 촉매 및 이 촉매를 사용하는 올레핀중합체의 제조 방법 |
US09/600,164 US6630551B1 (en) | 1998-12-02 | 1999-12-02 | Catalyst for olefin polymerization and process for producing olefin polymer with the catalyst |
EP99957408A EP1054021A4 (en) | 1998-12-02 | 1999-12-02 | CATALYST FOR OLEFIN POLYMERIZATION AND METHOD FOR PRODUCING OLEFIN POLYMERS THEREOF |
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JP34245998 | 1998-12-02 | ||
JP10/342459 | 1998-12-02 | ||
JP34245798 | 1998-12-02 | ||
JP10/342457 | 1998-12-02 |
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WO2000032642A1 true WO2000032642A1 (fr) | 2000-06-08 |
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PCT/JP1999/006767 WO2000032642A1 (fr) | 1998-12-02 | 1999-12-02 | Catalyseur pour la polymerisation d'olefines et procede de production d'un polymere d'olefines a l'aide de ce catalyseur |
Country Status (5)
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US (1) | US6630551B1 (ja) |
EP (1) | EP1054021A4 (ja) |
KR (1) | KR20010040532A (ja) |
TW (1) | TW565576B (ja) |
WO (1) | WO2000032642A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002050130A1 (en) * | 2000-12-18 | 2002-06-27 | Samsung General Chemicals Co., Ltd. | Catalyst for polymerization of olefin and the method of polymerization of olefin using the same |
JP2017520519A (ja) * | 2014-05-08 | 2017-07-27 | モメンティブ パフォーマンス マテリアルズ インコーポレイテッド | ジアルキルコバルト触媒並びにヒドロシリル化および脱水素シリル化のためのそれらの使用 |
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JP4532045B2 (ja) * | 1999-06-11 | 2010-08-25 | 出光興産株式会社 | α−オレフィン製造用触媒及びα−オレフィンの製造方法 |
KR100844062B1 (ko) * | 2001-02-21 | 2008-07-07 | 미쓰이 가가쿠 가부시키가이샤 | 올레핀 중합용 촉매 및 이 촉매를 사용하는 올레핀중합체의 제조방법 |
WO2007032358A1 (ja) * | 2005-09-14 | 2007-03-22 | Kyushu University, National University Corporation | 鉄錯体を触媒とする重合体の製造方法 |
CN110449186B (zh) * | 2019-06-28 | 2022-08-09 | 天津科技大学 | 一种乙烯选择性齐聚的反应方法、催化剂体系及其应用 |
Citations (5)
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EP0511665A2 (en) * | 1991-05-01 | 1992-11-04 | Mitsubishi Chemical Corporation | Catalyst for polymerizing an olefin and method for producing an olefin polymer |
WO1998027124A1 (en) * | 1996-12-17 | 1998-06-25 | E.I. Du Pont De Nemours And Company | Polymerization of ethylene with specific iron or cobalt complexes, novel pyridinebis(imines) and novel complexes of pyridinebis(imines) with iron and cobalt |
WO1998030612A1 (en) * | 1997-01-13 | 1998-07-16 | E.I. Du Pont De Nemours And Company | Polymerization of propylene |
WO1999048930A1 (fr) * | 1998-03-20 | 1999-09-30 | Idemitsu Petrochemical Co., Ltd. | Catalyseurs permettant la production de polymeres olefiniques et procede de production de ces polymeres olefiniques |
JP2000001513A (ja) * | 1998-06-18 | 2000-01-07 | Mitsui Chemicals Inc | オレフィン重合用触媒およびオレフィンの重合方法 |
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CN1128818C (zh) * | 1996-06-17 | 2003-11-26 | 埃克森美孚化学专利公司 | 承载的元素周期表中位置靠后的过渡金属催化剂体系 |
WO1999048605A1 (en) * | 1998-03-26 | 1999-09-30 | The Dow Chemical Company | Ion exchanged aluminium-magnesium or fluorinated magnesium silicate aerogels and catalyst supports therefrom |
US6184171B1 (en) | 1998-10-05 | 2001-02-06 | W.R. Grace & Co. -Conn | Supported bidentate and tridentate catalyst compositions and olefin polymerization using same |
JP4532045B2 (ja) | 1999-06-11 | 2010-08-25 | 出光興産株式会社 | α−オレフィン製造用触媒及びα−オレフィンの製造方法 |
-
1999
- 1999-12-02 WO PCT/JP1999/006767 patent/WO2000032642A1/ja not_active Application Discontinuation
- 1999-12-02 US US09/600,164 patent/US6630551B1/en not_active Expired - Fee Related
- 1999-12-02 KR KR1020007008397A patent/KR20010040532A/ko not_active Application Discontinuation
- 1999-12-02 EP EP99957408A patent/EP1054021A4/en not_active Withdrawn
- 1999-12-02 TW TW088121098A patent/TW565576B/zh active
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EP0511665A2 (en) * | 1991-05-01 | 1992-11-04 | Mitsubishi Chemical Corporation | Catalyst for polymerizing an olefin and method for producing an olefin polymer |
WO1998027124A1 (en) * | 1996-12-17 | 1998-06-25 | E.I. Du Pont De Nemours And Company | Polymerization of ethylene with specific iron or cobalt complexes, novel pyridinebis(imines) and novel complexes of pyridinebis(imines) with iron and cobalt |
WO1998030612A1 (en) * | 1997-01-13 | 1998-07-16 | E.I. Du Pont De Nemours And Company | Polymerization of propylene |
WO1999048930A1 (fr) * | 1998-03-20 | 1999-09-30 | Idemitsu Petrochemical Co., Ltd. | Catalyseurs permettant la production de polymeres olefiniques et procede de production de ces polymeres olefiniques |
JP2000001513A (ja) * | 1998-06-18 | 2000-01-07 | Mitsui Chemicals Inc | オレフィン重合用触媒およびオレフィンの重合方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2002050130A1 (en) * | 2000-12-18 | 2002-06-27 | Samsung General Chemicals Co., Ltd. | Catalyst for polymerization of olefin and the method of polymerization of olefin using the same |
JP2017520519A (ja) * | 2014-05-08 | 2017-07-27 | モメンティブ パフォーマンス マテリアルズ インコーポレイテッド | ジアルキルコバルト触媒並びにヒドロシリル化および脱水素シリル化のためのそれらの使用 |
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EP1054021A1 (en) | 2000-11-22 |
TW565576B (en) | 2003-12-11 |
EP1054021A4 (en) | 2002-10-16 |
KR20010040532A (ko) | 2001-05-15 |
US6630551B1 (en) | 2003-10-07 |
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