A titanium laminate according to this invention is in sheet form and includes a plurality of titanium gas-liquid permeable layers, each having pores through which a gas and/or a liquid can pass, the gas-liquid permeable layers being laminated by bonding adjacent titanium bonding surfaces together in a lamination direction, wherein at least the gas-liquid permeable layer forming one laminate surface of the plurality of gas-liquid permeable layers is a porous layer having a thickness of 500 μm or less, and wherein, on the one laminate surface, an average value of areas of pores opening to the laminate surface is 4 μm2 or more and 17 μm2 or less, a standard deviation value of the areas of the pores is 20 μm2 or less, and a number of pores present within a rectangular region having an area of 22 000 μm2 and an aspect ratio of 4:3 is 120 or more, and wherein, on the other laminate surface located on a back side of the one laminate surface, an average value of areas of pores opening to the laminate surface is three times or more the average value of the areas of the pores opening to the one laminate surface.
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B23K 20/02 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press
Provided is an olefin polymerization catalyst characterized in that the catalyst includes (I) a solid catalyst component for olefin polymerization containing at least magnesium, titanium, halogen and an internal electron-donating compound, (II) an organoaluminum compound, and (III) an external electron-donating compound, wherein in the olefin polymerization catalyst, there exist, as the internal electron-donating compound, at least one or more compounds selected from a first internal electron-donating compound and one or more compounds selected from a second internal electron-donating compound, and as the external electron-donating compound, there exists at least one or more compounds selected from an alkoxysilane compound and an aminoalkoxysilane compound. According to the present invention, an olefin polymerization catalyst that is able to produce an olefin polymer having a high melt flowability with a small use amount of hydrogen and a high flexural modulus and a method for producing an olefin polymer using the catalyst can be provided.
Provided is an olefin polymerization catalyst including: (I) a solid catalyst component for olefin polymerization containing at least magnesium, titanium, halogen, and as an internal electron-donating compound, one or more compounds selected from succinate diester compounds and one or more compounds selected from phthalate diester compounds; (II) an organoaluminum compound; and (III) as an external electron-donating compound, at least one or more compounds selected from alkoxysilane compounds and one or more compounds selected from (alkylamino)alkylsilane compounds. According to the present invention, an olefin polymerization catalyst that can produce an olefin polymer having a high flexural modulus and a high impact resistance, and a method for producing an olefin polymer using the catalyst can be provided.
This catalyst for olefin polymerization includes: (I) a solid catalyst component for olefin polymerization that includes at least magnesium, titanium, a halogen, and an internal electron donating compound; (II) an organic aluminum compound; and (III) an external electron donating compound, said catalyst for olefin polymerization being characterized in that in the solid catalyst for olefin polymerization, at least one or more compounds selected from first internal electron donating compounds and one or more compounds selected from second internal electron donating compounds are present as the internal electron donating compound, and at least an alkoxysilane compound and one or more compounds selected from amino silane compounds are present as the external electron donating compound. The present invention is able to provide a catalyst for olefin polymerization with which it is possible to produce an olefin polymer having excellent melt flow properties and high stiffness with a small amount of hydrogen used, as well as a method for producing an olefin polymer using said catalyst for olefin polymerization.
This catalyst for olefin polymerization contains (I) a solid catalyst component for olefin polymerization that contains at least magnesium, titanium, a halogen, and an internal electron-donating compound, (II) an organoaluminum compound, and (III) an external electron-donating compound, the catalyst for olefin polymerization being characterized in that at least one or more compounds selected from first internal electron-donating compounds and one or more compounds selected from second internal electron-donating compounds are present in the catalyst for olefin polymerization as internal electron-donating compounds, and at least one or more compounds selected from alkoxysilane compounds and aminoalkoxysilane compounds are present in the catalyst for olefin polymerization as external electron-donating compounds. According to the present invention, it is possible to provide: a catalyst for olefin polymerization with which it is possible to produce an olefin polymer that has exceptional melt flow properties and high rigidity at low hydrogen usage; and a method for producing an olefin polymer using this catalyst for olefin polymerization.
Provided is an olefin polymerization catalyst including: (I) as a solid catalyst component for olefin polymerization, (a) a solid catalyst component for olefin polymerization containing at least magnesium, titanium, halogen, and as an internal electron-donating compound, a succinate diester compound, and (b) a solid catalyst component for olefin polymerization containing at least magnesium, titanium, halogen, and as an internal electron-donating compound, a phthalate diester compound, (II) an organoaluminum compound, and (III) as an external electron-donating compound, at least one or more compounds selected from alkoxysilane compounds and one or more compounds selected from (alkylamino)alkylsilane compounds. According to the present invention, an olefin polymerization catalyst that can produce an olefin polymer having a high flexural modulus and a high impact resistance, and a method for producing an olefin polymer using the catalyst can be provided.
C08F 4/76 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from refractory metals selected from titanium, zirconium, hafnium, vanadium, niobium, or tantalum
Provided is an olefin polymerization catalyst characterized by including (I) a solid catalyst component for olefin polymerization containing at least magnesium, titanium, halogen, and an internal electron-donating compound, (II) an organoaluminum compound, and (III) an external electron-donating compound, in which in the olefin polymerization catalyst, there exist, as the internal electron-donating compound, at least one or more compounds selected from a first internal electron-donating compound and one or more compounds selected from a second internal electron-donating compound, and as the external electron-donating compound, there exist at least one or more compounds selected from an alkoxysilane compound and an aminosilane compound. According to the present invention, an olefin polymerization catalyst that is able to produce an olefin polymer having a high melt flowability with a small use amount of hydrogen and a high flexural modulus and a method for producing an olefin polymer using the catalyst can be provided.
This catalyst for olefin polymerization is characterized by comprising, as (I) solid catalyst components for olefin polymerization, a solid catalyst component (a) for olefin polymerization containing at least magnesium, titanium, a halogen, and a succinic acid diester compound as an internal electron-donating compound and a solid catalyst component (b) for olefin polymerization containing at least magnesium, titanium, a halogen, and a phthalic acid diester compound as an internal electron-donating compound, (II) an organic aluminum compound, and, as (III) external electron-donating compounds, one or more compounds selected from alkoxysilane compounds and one or more compounds selected from (alkylamino)alkylsilane compounds. According to the present invention, it is possible to provide a catalyst for olefin polymerization which can produce an olefin polymer having high rigidity and high impact resistance, and a production method for olefin polymers using said catalyst.
This catalyst for olefin polymerization is characterized by comprising: (I) a solid catalyst component for olefin polymerization containing at least magnesium, titanium, a halogen and at least one compound selected from succinic diester compounds and at least one compound selected from phthalic diester compounds as internal electron donors; (II) an organoaluminum compound; and (III) at least one compound selected from alkoxysilane compounds and at least one compound selected from (alkylamino)alkylsilane compounds as external electron donars. According to the present invention, it is possible to provide: a catalyst for olefin polymerization capable of producing an olefin polymer that has high rigidity and high impact resistance; and a method for producing an olefin polymer by using the catalyst.
Provided is an olefin copolymerization solid catalyst component mixture that makes it possible to easily produce an olefin copolymer that has both excellent rigidity and excellent impact resistance relative to similar polymerization conditions. An olefin copolymerization solid catalyst component mixture according to the present invention is characterized by containing a first olefin copolymerization solid catalyst component that includes magnesium, titanium, a halogen, and a succinic acid diester compound and a second olefin copolymerization solid catalyst component that includes magnesium, titanium, a halogen, and a phthalic acid diester compound, the first olefin copolymerization solid catalyst component content being at least 1 mass% but less than 37 mass% of the total of the first olefin copolymerization solid catalyst component content and the second olefin copolymerization solid catalyst component content.
A titanium porous body according to the present invention comprises a powder sintered body and is formed in a sheet shape having a thickness of 200 μm or greater. In the titanium porous body, holes present in a cross-section extending along the thickness direction have an average aspect ratio of 3.2 or higher, the aspect ratio being calculated as a ratio of the thickness-direction length of a hole to the width-direction length of the hole, within a visual field measuring 200 μm × 200 μm in the cross-section.
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 5/32 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous both layers being foamed or specifically porous
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
A solid catalyst component mixture for polymerizing olefins that allows a polymer of olefins having both a high melt flowability and rigidity to be easily produced is provided.
A solid catalyst component mixture for polymerizing olefins that allows a polymer of olefins having both a high melt flowability and rigidity to be easily produced is provided.
A solid catalyst component mixture for polymerizing olefins comprises: a first solid catalyst component for polymerizing olefins containing magnesium, titanium, halogen and a succinate diester compound, and a second solid catalyst component for polymerizing olefins containing magnesium, titanium, halogen and a phthalate diester compound, at a mass ratio of First solid catalyst component for polymerizing olefins:Second solid catalyst component for polymerizing olefins=37:63 to 87:13.
A nickel alloy-containing powder according to the present invention contains an alloy of Ni and Cu, and in an X-ray diffraction profile, has a highest peak within a 2θ range of 44.38° to 44.46°, wherein the half-width of said peak ranges from 0.120° to 0.200°.
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/07 - Metallic powder characterised by particles having a nanoscale microstructure
B22F 9/22 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
C22C 19/03 - Alloys based on nickel or cobalt based on nickel
15.
HIGH-PURITY MOLYBDENUM OXYCHLORIDE AND MANUFACTURING METHOD THEREFOR
Provided is a molybdenum oxychloride characterized in having a purity of 99.9995 wt % or higher. Additionally provided is a manufacturing method of a molybdenum oxychloride including the steps of reacting MoO3 and Cl2 and synthesizing the molybdenum oxychloride in a reaction chamber, and cooling the synthesized molybdenum oxychloride gas and precipitating the molybdenum oxychloride in a recovery chamber, wherein an impurity trap is provided between the reaction chamber and the recovery chamber, and impurities are removed with the impurity trap.
C23C 16/08 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material from metal halides
C23C 16/455 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber
16.
METHOD FOR ELECTROLYZING WATER, METHOD FOR PRODUCING HYDROGEN, AND METHOD FOR PRODUCING CELL OF PEM WATER ELECTROLYSIS DEVICE
A method for electrolyzing water according to the present invention is a method for splitting water with the use of a PEM water electrolysis device which is provided with a cell in which a cathode, an electrolyte membrane, a porous transport layer, and an anode are stacked, wherein: the porous transport layer has a titanium porous body; in the electrolyte membrane-side surface of the titanium porous body, the average value of the areas of pores that open to the surface is 5 μm2to 45 μm2inclusive; the standard deviation value of the areas of the pores is 90 μm2or less; the number of the pores that are present within a rectangular region that has an area of 22,000 μm2 and an aspect ratio of 4:3 is 120 or more; and the pressure applied in the stacking direction of the cathode, the electrolyte membrane, the porous transport layer, and the anode at the time of assembling the cell is set to 6 MPa or more.
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
Provided are a method for producing a titanium-based electrolytic raw material with relatively low Al and O contents while suppressing or eliminating the use of calcium fluoride and potassium perchlorate, and a method for producing pure metallic titanium or Ti—Al alloy. The method for producing a titanium-based raw material for electro-refining according to the present invention is a method for producing a titanium-based raw material for electro-refining used for molten salt electro-refining to obtain pure metallic titanium or Ti—Al alloy, the method comprising: a reaction step of bringing a titanium compound, at least a part of the titanium compound containing titanium oxide, into contact with, in melt, pure metal and/or alloy of aluminum as a reducing agent, and a melting accelerator, and causing reactions including deoxidation of a part of O in the titanium oxide to obtain a titanium alloy product comprising Al and O, wherein the melting accelerator comprises calcium oxide (CaO), and a content of calcium oxide in the melting accelerator is 80% by mass or higher.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
C25C 3/36 - Alloys obtained by cathodic reduction of all their ions
18.
METHOD FOR PRODUCING TITANIUM-BASED RAW MATERIAL FOR ELECTRO-REFINING AND METHOD FOR PRODUCING PURE METALLIC TITANIUM OR TI-AL ALLOY
Provided are a method for producing a titanium-based electrolytic raw material with relatively low Al and O contents while suppressing or eliminating the use of calcium fluoride and potassium perchlorate, and a method for producing pure metallic titanium or Ti-Al alloy. The method for producing a titanium-based raw material for electro-refining according to the present invention is a method for producing a titanium-based raw material for electro-refining used for molten salt electro-refining to obtain pure metallic titanium or Ti-Al alloy, the method comprising: a reaction step of bringing a titanium compound, at least a part of the titanium compound containing titanium oxide, into contact with, in melt, pure metal and/or alloy of aluminum as a reducing agent, and a melting accelerator, and causing reactions including deoxidation of a part of O in the titanium oxide to obtain a titanium alloy product comprising Al and O, wherein the melting accelerator comprises calcium oxide (CaO), and a content of calcium oxide in the melting accelerator is 80% by mass or higher.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
This sheet-like titanium porous body has a contact resistance of no greater than1.4 mΩ/cm2. At least on one surface of the sheet-like titanium porous body, the average pore surface area is 5 μm2to 20 μm2, the standard deviation of the pore surface area is no greater than 45 μm2, and the number of pores is at least 13.6 or more per 1000 μm2. Optionally, the contact resistance of the sheet-like titanium porous body is no greater than1.0 mΩ/cm2.
This titanium porous body is in the form of a sheet. In the titanium porous body, the maximum height Rz of at least one surface is 5 μm or less, the irreversible deformation amount during pressure application at 100 MPa is 0.2% or less, and the thickness is 500 μm or less.
Provided is a sheet-form titanium porous body. The sheet-form titanium porous body has a thickness of 40-500 μm and a porosity of 30-50%. The surface roughness of a first main surface of the sheet-form titanium porous body is lower than the surface roughness of a second main surface opposite the first main surface. The number of first protrusions protruding at a height of 30 μm or greater from the first main surface at a peripheral edge part of the sheet-form titanium porous body is equal to or less than the number of second protrusions protruding at a height of 30 μm or greater from the second main surface at the peripheral edge part.
This method for producing a titanium molded body in sheet form comprises a joining step for layering multiple dry sheets, which have each been obtained by drying a paste containing a titanium powder, an organic binder, and an organic solvent, and then heating the layered sheets to a temperature of 70℃ to 200℃ while applying pressure of at least 0.1 N/cm2 in the direction of thickness.
B22F 7/06 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
Provided is a catalyst for polymerization of an olefin, capable of easily producing a propylene homopolymer with an excellent melt flow rate and moldability, as well as further excellent flexural modulus, despite containing a solid catalyst component for polymerization of an olefin comprising a compound other than phthalate esters as an internal electron-donating compound. A catalyst for polymerization of an olefin, comprising: a solid catalyst component for polymerization of an olefin, comprising magnesium, titanium, halogen, and a succinic acid diester compound, wherein a ratio (S/T), represented by a total content of an internal electron-donating compound with the succinic acid diester compound as a main component(S) to a content of the titanium (T), is 0.60 to 1.30 in a molar ratio, an organoaluminum compound, and one or more external electron-donating compounds selected from specific aminosilane compounds.
The present invention provides a method for easily producing a propylene-based block copolymer that has a high melt flow rate and a high content ratio of a propylene/α-olefin copolymer component, the method having excellent polymerization activity in a first polymerization step and a second polymerization step. This method for producing a propylene-based block copolymer includes: a first polymerization step for obtaining a propylene-based polymer by polymerizing olefins that include 95-100 mass% of propylene under the temperature condition of 45°C to 65°C with use of an olefin polymerization catalyst comprising (A) a solid catalyst component for olefin polymerization which contains titanium, magnesium, a halogen and a 1,3-diether compound and (B) an organoaluminum compound; and subsequently, a second polymerization step for obtaining a propylene/α-olefin copolymer by copolymerizing olefins that include not less than 5 mass% but less than 95 mass% of propylene and an α-olefin excluding propylene in the presence of the propylene-based polymer under the temperature condition of 50°C to 90°C.
C08L 23/10 - Homopolymers or copolymers of propene
C08F 4/654 - Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
C08F 4/658 - Pretreating with metals or metal-containing compounds with metals or metal-containing compounds, not provided for in a single group of groups
C08F 297/08 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
25.
Titanium porous body, and method for producing titanium porous body
The titanium porous body according to the present invention is in a form of a sheet, and has a thickness of 0.3 mm or less, and a bending strain at break of 0.005 or more, wherein, for a three-dimensional surface texture of at least one surface of the titanium porous body, an arithmetic mean height Sa is 2.5 μm or less, a maximum height Sz is 30 μm or less, an aspect ratio Str of the surface texture is 0.93 or more, and an arithmetic mean curvature Spc of a peak is 4.8 (1/μm) or less.
The titanium porous body according to the present invention is in a form of a sheet, and has a titanium content of 97% by mass or more, an oxygen content of 0.9% by mass or more and 2.0% by mass or less, and a carbon content of 0.01% by mass or more and 0.06% by mass or less, and has a thickness of 0.3 mm or less, a porosity of 35% or more and 45% or less, an irreversible deformation amount after being pressurized at 65 MPa of 5.0% or less, and a bending strain at break of 0.005 or more.
SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN, METHOD FOR PRODUCING SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN, CATALYST FOR POLYMERIZATION OF OLEFIN, METHOD FOR PRODUCING POLYMER OF OLEFIN, AND POLYMER OF OLEFIN
A solid catalyst component for polymerization of an olefin is disclosed including: magnesium, titanium, halogen, and a succinic acid diester compound, wherein a content of the succinic acid diester compound in a total content of the components in terms of the solid content is 15.0% by mass or more, a ratio (S/T), represented by a content of the succinic acid diester compound(S) in the total content of the components to a content of the titanium (T) in the total content of the components, is 0.60 to 1.30 in a molar ratio, and a total pore volume of a diameter of 1 μm or less as measured by a mercury intrusion method is 0.3 to 1.0 cm3/g, and a specific surface area is 200 m2/g or more.
Solid catalyst component for olefin polymerization and production method thereof, method for producing catalyst for olefin polymerization, and method for producing olefin polymer
A solid catalyst component for olefin polymerization containing magnesium, titanium, a halogen, a carbonate compound (A) represented by the following general formula (1): R1—O—C(═O)—O—Z—O—R2 (1), and an ether compound (B) having two or more ether groups, wherein a proportion of the ether compound (B) in a total of the carbonate compound (A) and the ether compound (B) is 33.0 to 80.0 mol %. The invention can provide a solid catalyst component for olefin polymerization using an ether compound having two or more ether groups and a carbonate compound as internal electron donating compounds, wherein the solid catalyst component for olefin polymerization has, in the polymerization of olefins, a moderately wide molecular weight distribution of an olefin polymer obtained therefrom and can increase the polymerization activity.
The titanium porous body according to the present invention is in a form of a sheet, and has a thickness of 0.3 mm or less and a compressive strain amount of 0.20 or less upon pressurization at 80 MPa, wherein a half width of a first peak that is the highest peak height in a pore size distribution showing a relationship between a diameter and a volume of pores is less than or equal to 3.5 μm, and a peak height of a second peak that is the second highest peak height after the first peak is less than or equal to 10% of the peak height of the first peak.
B22F 1/052 - Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
30.
SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, CATALYST FOR OLEFIN POLYMERIZATION, AND METHOD FOR PRODUCING OLEFIN POLYMER
Provided is a solid catalyst component for olefin polymerization, the solid catalyst component being characterized in that: in terms of solid contents, the total content of a 1,3-diether compound that does not have a fluorene structure and a succinic acid diester compound in the total content of all components is 13.0% by mass or more; the molar ratio (S/T) of the molar amount (S) of the succinic acid diester compound content relative to the molar amount (T) of the titanium content is 0.71 to 1.30; the molar ratio (E/S) of the molar amount (E) of the content of the 1,3-diether compound that does not have a fluorene structure relative to the molar amount (S) of the succinic acid diester compound content is 0.10 to 0.70; the total pore volume of pores having a diameter of 1 μm or less is 0.3-1.0 cm3/g; and the specific surface area is 200 m2/g or more. According to the present invention, it is possible to provide a solid catalyst component for olefin polymerization, which contains an internal electron-donating compound other than a phthalic acid ester, and is capable of producing an olefin polymer that has excellent melt flow properties and high rigidity, and includes a small amount of a low-molecular-weight polymer.
A titanium laminate according to this invention has a sheet-like shape, and is provided with a plurality of gas-liquid-permeable layers that are made of titanium and laminated such that titanium bonding surfaces adjacent in the lamination direction are bonded to one another and each has holes through which a gas and/or a liquid can pass. At least the gas-liquid-permeable layer among the plurality of gas-liquid-permeable layers which forms one of the laminate surfaces is a porous layer having a thickness of 500 μm or less. In the one laminate surface, the average value of the area of the holes that open to said laminate surface is 4 μm2to 17 μm2inclusive, the standard deviation value of the area of the holes is 20 μm2or less, and the number of holes in a rectangular region having an aspect ratio of 4:3 and an area of 22,000 μm2 is 120 or more. In the other laminate surface positioned on the rear side relative to the one laminate surface, the average value of the area of the holes that open to said laminate surface is at least three times the average value of the area of the holes in the one laminate surface.
This method for producing a titanium-based electrolytic raw material produces a titanium-based electrolytic raw material used in molten salt electrolytic refining for obtaining metallic titanium or a titanium alloy. The method includes a reaction step for reacting a titanium oxide, elemental aluminum and/or alloy, and a calcium halide in a melt at a temperature of 1870°C or higher, and obtaining a titanium alloy product including Al and O generated by a reaction including deoxidation of a portion of O in the titanium oxide in a molten state.
C22B 5/04 - Dry processes by aluminium, other metals, or silicon
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
33.
TITANIUM POROUS BODY, AND TITANIUM POROUS BODY MANUFACTURING METHOD
This titanium porous body is a sheet having pores. On at least one surface of said body: the average value of the area of the pores open to said surface is １０μｍ2to１７μｍ2; the standard deviation of the area of the pores is ２０μｍ2or less; and the number of pores present in a rectangular region, that has an area of ４００００μｍ2 and a horizontal-to-vertical ratio of 4:5, is at least 250.
This titanium porous body according to the present invention is in a sheet shape and has a thickness t of 0.50 mm or less. The projected area of the surface on a plane is 28000 mm2or more, the irreversible deformation amount after pressurization at 100 MPa is 1.0% or less, the air permeance P (μm/Pa·S) satisfies a relationship of P ≥ I with an index value I, and the index value I is represented as I = 1.6 × (1/t)1.3.
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
35.
SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN, CATALYST FOR POLYMERIZATION OF OLEFIN, METHOD FOR PRODUCING POLYMER OF OLEFIN, POLYMER OF OLEFIN, METHOD FOR PRODUCING PROPYLENE-BASED BLOCK COPOLYMER, AND PROPYLENE-BASED BLOCK COPOLYMER
To provide a solid catalyst component for polymerization of an olefin, which can easily produce a polymer of an olefin, which is excellent in fluidity and also is high in rigidity even though the molecular weight distribution is narrow, without performing complicated polymerization treatment. A solid catalyst component for polymerization of an olefin includes magnesium, titanium and halogen, and further includes an aromatic carboxylic acid ester and a 1,3-diether compound as internal electron-donating compounds, wherein a content ratio of the titanium is 0.5 to 2.0% by mass, a content ratio of the aromatic carboxylic acid ester in a total content of the internal electron-donating compounds is 40 to 60 mol %, and a content ratio of the 1,3-diether compound in the total content of the internal electron-donating compounds is 40 to 60 mol %.
C08F 297/08 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
36.
Metal Titanium Production Method and Metal Titanium Electrodeposit
Provided is a method for producing metal titanium by molten salt electrolysis using a conductive material containing titanium, aluminum, oxygen and other impurities. A method for producing metal titanium, wherein a refining process includes: a rough electrodeposition step of performing a molten salt electrolysis using an electrode containing a TiAlO conductive material in a chloride bath Bf to obtain a titanium-containing electrodeposit TC; and one or more refinement electrodeposition steps of performing a molten salt electrolysis using an electrode containing the titanium-containing electrodeposit TC in a chloride bath Bf, and wherein at least one of the chloride bath Bf used for the rough electrodeposition step and the chloride bath Bf used for the refinement electrodeposition step contains 30 mol % or more of magnesium chloride.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
37.
Method for Producing Titanium-containing Electrodeposit and Metal Titanium Electrodeposit
Provided is a method for producing a titanium-containing electrodeposit, which can achieve good refinement by an electrodeposition without using the Kroll method. A method for producing a titanium-containing electrodeposit, including an electrodeposition step of electrodepositing a titanium-containing electrodeposit in a chloride bath, the chloride bath being a molten salt, using an anode including a TiAlO conductive material containing titanium, aluminum, and oxygen, and a cathode, wherein, in the electrodeposition step, a current density of the cathode is in a range of 0.3 A/cm2 or more and 2.0 A/cm2 or less, and wherein the chloride bath contains 1 mol % or more of a titanium subchloride.
This titanium porous body is sheet-shaped and has a thickness of 80 μm or greater. A pore diameter distribution of the titanium porous body, which shows the correlation between pore diameter and volume, indicates that the peak pore diameter of the highest peak is 6.5 μm or smaller. The I value of the titanium porous body is 4.0 or greater, the I value being found from air permeability, electrical conductivity, and the peak pore diameter, using formula (1): I = permeability (μm/Pa•s) × electrical conductivity (kS/cm)]/[peak pore diameter (μm)]2.
Provided is a method for manufacturing a porous metal body, which can manufacture a porous metal body with a suppressed variation in thickness in spite of using a molding plate having a relatively thin thickness multiple times. The method for manufacturing a porous metal body includes a plurality of steps including: a depositing step of depositing metal powder in a dry process onto a molding plate 100 made of carbon, the molding plate 100 having a thickness of 30 mm or less and an area of a surface for depositing the metal powder of 36 cm2 or more; after the depositing step, a sintering step of sintering the metal powder on the molding plate 100, wherein the plurality of steps are performed using the same molding plate 100, and wherein at least one step of the plurality of steps further includes, between the depositing step and the sintering step, a thickness adjusting step of adjusting a thickness of a deposited layer of the metal powder on the molding plate 100 while flattening the surface 105 of the molding plate 100.
A method for producing a titanium foil according to the present invention includes an electrodeposition step of performing electrolysis with electrodes including an anode and a cathode using a molten salt bath comprising titanium ions and having at least one molten chloride to deposit metal titanium onto an electrolytic surface of the cathode, wherein the electrodeposition step includes maintaining a ratio of a molar concentration of titanium ions to the total molar concentration of metal ions in the molten salt bath at 7% or more, and maintaining a temperature of the molten salt bath at 510° C. or less, and conducting a current to the electrodes under conditions where a continuous stop time of current conduction is less than 1.0 second, a current density is 0.10 A/cm2 or more and 1.0 A/cm2 or less, and a time for electrodepositing the metal titanium onto the electrolytic surface of the cathode is 120 minutes or less.
This method for producing a titanium porous body is for producing a sheet-like titanium porous body and includes: a formation step in which a dried powder layer of a starting material powder including titanium fibers and a binder powder having a mass ratio of 0.05-0.30 with respect to the titanium fibers is pressed and heated and a sheet-like molded body in which the titanium fibers are joined together by the binder is formed; a binder removal step in which the molded body is heated to 300℃-450℃ and the components originating from the binder powder within the molded body are volatilized; and a sintering step in which after the binder removal step, the molded body is heated and the titanium fibers within the molded body are sintered.
The present invention provides a solid catalyst component mixture for olefin polymerization with which an olefin polymer that exhibits both a high melt flowability and stiffness can be easily produced. Provided is a solid catalyst component mixture for olefin polymerization characterized by comprising a first solid catalyst component for olefin polymerization that contains magnesium, titanium, halogen, and a succinate diester compound and a second solid catalyst component for olefin polymerization that contains magnesium, titanium, halogen, and a phthalate diester compound in amounts such that the first solid catalyst component for olefin polymerization : second solid catalyst component for olefin polymerization mass ratio is 37 : 63 to 87 : 13.
22 and chlorine (Cl), and the peak intensity rise temperature is said to be within the range of 300-350°C in the temperature profile of HCl obtained by analysis by evolved gas analysis (EGA-MS).
C01G 23/07 - Producing by vapour phase processes, e.g. halide oxidation
44.
SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, CATALYST FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING OLEFIN POLYMER PARTICLE AND OLEFIN POLYMER PARTICLE
Provided is a solid catalyst component for olefin polymerization capable of suitably producing polymer particles with a suppressed content ratio of fine powder and reduced surface stickiness at high activity when subjected to polymerization of an olefin. The solid catalyst component for olefin polymerization contains magnesium, titanium, halogen and an internal electron-donating compound, in which a cross-sectional pore area ratio is 10 to 50%, and a ratio MXi/MXs of a cross-sectional pore area ratio (MXi) in a region of less than 50% in a radial direction to a cross-sectional pore area ratio (MXs) in a region of 50% or more in the radial direction from a particle center is 0.50 to 2.00.
A method for manufacturing a porous metal body according to the present invention is a method for manufacturing a sheet-shaped porous metal body 4a containing titanium by sintering a titanium-containing powder 4 by heating it on a forming surface 2 of a forming die 1, the method including: an area setting step of setting, on the forming surface 2 of the forming die 1, an adhesion area Aa where it is located on an outer edge side of the forming surface 2 and the titanium-containing powder 4 adheres during sintering without a releasing layer 3, and an easily releasable area Ar where a releasing layer 3 is formed; after the area setting step, a powder deposition step of depositing the titanium-containing powder 4 in a dry process on the forming surface 2; and after the powder deposition step, a powder sintering step of sintering the titanium-containing powder 4 on the forming surface 2 while heating the titanium-containing powder 4 at a temperature of 950° C. or more on the forming surface 2 and allowing the titanium-containing powder 4 located on the adhesion area Aa to adhere to the adhesion area Aa.
09 - Scientific and electric apparatus and instruments
Goods & Services
Gas or liquid filter (term considered too vague by the
International Bureau - rule 13 (2) (b) of the Regulations). Electrode plate for batteries; battery separator; gas
diffusion electrode for fuel cell.
47.
METHOD FOR MANUFACTURING TITANIUM COMPACT AND METHOD FOR MANUFACTURING TITANIUM SINTERED BODY
In a method for manufacturing a titanium compact 1 according to the present invention, the titanium compact 1 has a hollow body part 2 in which there is formed an internal space 2b that includes an opening part 2a opening to the outside, and plate parts 3 that are provided so as to stand on an inner surface 2c of the hollow body part 2 facing the internal space 2b and that extend on the inner surface 2c. The manufacturing method includes: a step for placing a core material 61, for forming the internal space 2b, in a core material placement space in a mold 51 made of a resin; a step for filling a molding space 52 of the mold 51 with a raw material powder 71; and a step for performing cold isostatic pressing, at a pressing force of 300 MPa or above, on the mold 51 in which the molding space 52 is filled with the material powder 71, in a state in which the core material 61 is placed in the core material placement space. A core-material-constituting material having a consistency of 50 or above is used as the core material 61.
B22F 3/04 - Compacting only by applying fluid pressure
B22F 5/10 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
The titanium-based porous body according to the present invention is in a form of a sheet and contains titanium, and the titanium-based porous body has a thickness of 0.8 mm or less, a porosity of 30% to 65%, a maximum height Rz1 of one sheet surface of 30 μm or less, a ratio of a maximum height Rz2 of other sheet surface to the maximum height Rz1 of the one sheet surface (Rz2/Rz1) of 1.2 or more, and a compression deformation rate of 19% or less.
B22F 1/052 - Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
SOLID CATALYST INGREDIENT FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING SOLID CATALYST INGREDIENT FOR OLEFIN POLYMERIZATION, CATALYST FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING OLEFIN POLYMER, AND OLEFIN POLYMER
Provided is a solid catalyst ingredient for olefin polymerization which contains an internal electron-donating compound that is not a phthalic acid ester and with which it is possible to easily produce an olefin polymer having excellent flowability and high rigidity and to easily produce a copolymer having a practically sufficient block percentage and flowability, with excellent copolymerization activity. The solid catalyst ingredient for olefin polymerization is characterized by including magnesium, titanium, a halogen, and a succinic acid diester compound, the content of the succinic acid diester compound in all components being 15.0 mass% or higher on solid basis and the ratio of the content (S) of the succinic acid diester compound in all the components to the content (T) of the titanium in all the components, S/T, being 0.60-1.30 by mol on solid basis, and by having a total volume of pores having a diameter of 1 μm or smaller, as determined by mercury porosimetry, of 0.3-1.0 cm3/g and a specific surface area of 200 m2/g or greater.
Provided is a catalyst for olefin polymerization which contains a solid catalyst component for olefin polymerization including an internal electron-donating compound that is not a phthalic acid ester and with which nevertheless a propylene homopolymer excellent in terms of melt flowability and moldability and having an even higher bending modulus can be easily produced. The catalyst for olefin polymerization is characterized by comprising: a solid catalyst component for olefin polymerization which includes magnesium, titanium, a halogen, and a succinic acid diester compound and in which the ratio of the total content (S) of internal electron-donating compounds comprising the succinic acid diester compound as a main component to the content (T) of the titanium, S/T, is 0.60-1.30 by mole; an organoaluminium compound; and one or more external electron-donating compounds selected from among specific aminosilane compounds.
A titanium porous body according to the present invention is sheet-shaped and has a titanium content of at least 97 mass%, an oxygen content of at least 0.9 mass% but not greater than 2.0 mass%, and a carbon content of at least 0.01 mass% but not greater than 0.06 mass%, has a thickness of 0.3 mm or less, has a porosity of at least 35% but not greater than 45%, has an irreversible deformation amount of 5.0% or less after pressurization at 65 Mpa, and has a breaking flexure of at least 0.005.
A titanium porous body according to the present invention is sheet-shaped and has a thickness of 0.3 mm or less, has a breaking flexure of at least 0.005, and at least one surface thereof has a three dimensional surface texture wherein: the arithmetic mean height Sa is not more than 2.5 µm; the maximum height Sz is not more than 30 µm; the surface texture aspect ratio Str is at least 0.93; and the arithmetic mean peak curvature Spc is not more than 4.8(1/µm).
SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION AND PRODUCTION METHOD THEREFOR, METHOD FOR PRODUCING CATALYST FOR OLEFIN POLYMERIZATION, AND METHOD FOR PRODUCING OLEFIN POLYMER
A solid catalyst component for olefin polymerization, characterized by comprising magnesium, titanium, a halogen, a carbonate compound (A) represented by general formula (1): R1-O-C(=O)-O-Z-O-R2, and an ether compound (B) having two or more ether groups, the proportion of the ether compound (B) to the sum of the carbonate compound (A) and the ether compound (B) being 33.0-80.0 mol%. This solid catalyst component for olefin polymerization includes an ether compound having two or more ether groups and the carbonate compound as internally electron-donating compounds. The solid catalyst component for olefin polymerization, when used for polymerizing an olefin, can give an olefin polymer having a moderately wide molecular-weight distribution and can have heightened polymerization activity.
The present invention provides a method for producing a catalyst for polymerization of an olefin, which suppresses a decrease in polymerization activity due to early deactivation of the active site after the catalyst has been formed, exhibits excellent catalyst activity at the time of polymerization of olefins, and can produce polymers of olefins, which are excellent in stereoregularity. The method for producing a catalyst for polymerization of an olefin includes contacting a solid catalyst component (A) containing magnesium, titanium, halogen and an internal electron-donating compound, and a specific organoaluminum compound (B) represented by the general formula (I), with each other, wherein at least one selected from the solid catalyst component (A) and the organoaluminum compound (B) is previously subjected to contact treatment with a hydrocarbon compound having one or more vinyl groups.
C08F 299/02 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
C08F 4/52 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides selected from boron, aluminium, gallium, indium, thallium, or rare earths
A method is disclosed for producing a catalyst, which suppresses a decrease in polymerization activity due to early deactivation of the active site after the catalyst has been formed, exhibits excellent catalyst activity at the time of polymerization of olefins, and can produce polymers of olefins, which are excellent in stereoregularity. The method for producing a catalyst includes contacting a solid catalyst component (A) containing magnesium, titanium, halogen and an internal electron-donating compound, and a specific organoaluminum compound (B) represented by the general formula (I), with each other, wherein at least one selected from the solid catalyst component (A) and the organoaluminum compound (B) is previously subjected to contact treatment with a hydrocarbon compound having one or more vinyl groups, in an organic solvent containing 30% by mass or more of one or more compounds selected from saturated aliphatic hydrocarbon compounds having 20 or more carbon atoms.
This titanium porous body is shaped into a sheet form, said titanium porous body having a thickness of 0.3 mm or less and a compressive strain amount of 0.20 or less at 80 MPa compression. In a pore diameter distribution representing a pore diameter-pore volume relationship, a first peak where the peak height is the highest has a half-value width of 3.5 µm or less, and a second peak where the peak height is the second highest next to the first peak has a peak height which is 10% or less of the peak height of the first peak.
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/052 - Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
B22F 3/035 - Press-moulding apparatus therefor with one or more of the parts thereof being pivotally mounted
Provided is a solid catalyst component for polymerization of an olefin which is capable of realizing stereoregularity and wide molecular weight distribution of the resulting polymer, copolymerization activity, and block ratio of the resulting copolymer in a well-balanced manner while satisfying these properties at a level sufficient for practical use despite containing an electron-donating compound other than a phthalic acid ester. The present invention provides a solid catalyst component for polymerization of an olefin, comprising: magnesium, titanium, halogen, an ether carbonate compound (A), and a succinic acid diester compound (B), wherein a molar ratio represented by the following expression is 0.01 to 1.00: content of the ether carbonate compound (A)/content of the succinic acid diester compound (B).
Solid catalyst component for polymerization of olefin and method for producing the same, catalyst for polymerization of olefin and method for producing the same, and method for producing polymer of olefin
C08F 4/76 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from refractory metals selected from titanium, zirconium, hafnium, vanadium, niobium, or tantalum
C08F 4/10 - Metallic compounds other than hydrides and other than metallo-organic compoundsBoron halide or aluminium halide complexes with organic compounds containing oxygen of alkaline earth metals, zinc, cadmium, mercury, copper, or silver
C08F 4/629 - Catalysts containing a specific non-metal or metal-free compound organic
H01B 1/06 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances
H01B 1/08 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances oxides
61.
Method for manufacturing porous metal body, and porous metal body
A method for manufacturing a porous metal body according to the present invention includes: a surface oxidizing step of heating a titanium-containing powder in an atmosphere containing oxygen at a temperature of 250° C. or more for 30 minutes or more to provide a surface-oxidized powder; and a sintering step of depositing the surface-oxidized powder in a dry process, and sintering the surface-oxidized powder by heating it in a reduced pressure atmosphere or an inert atmosphere at a temperature of 950° C. or more.
This method for producing an electrodeposit is a method for producing a Ti-containing electrodeposit by means of electrolytic purification using molten salt electrolysis, the method comprising an electrodeposit step in which an electrode 3 having a negative electrode 3b and a positive electrode 3a containing a crude titanium-based material containing Ti, Al, and O and having conductivity is used in a chloride bath as a molten salt bath Bm, and a purified titanium-based material is deposited on the negative electrode 3b to obtain an electrodeposit, wherein in the electrodeposit step, the electrode 3 has a plurality of positive electrodes 3a, and the use completion time of some positive electrodes 3a among the plurality of positive electrodes 3a is shifted to the use completion time of the remaining positive electrodes 3a so that a purified titanium-based material is deposited on the negative electrode 3b.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
C22B 5/04 - Dry processes by aluminium, other metals, or silicon
Provided is a method for producing a titanium-containing electrodeposit, which can achieve good refinement by an electrodeposition without using the Kroll method. A method for producing a titanium-containing electrodeposit, including an electrodeposition step of electrodepositing a titanium-containing electrodeposit in a chloride bath, the chloride bath being a molten salt, using an anode including a TiAlO conductive material containing titanium, aluminum, and oxygen, and a cathode, wherein, in the electrodeposition step, a current density of the cathode is in a range of 0.3 A/cm2 or more and 2.0 A/cm2 or less, and wherein the chloride bath contains 1 mol% or more of a titanium subchloride.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
Provided is a method for manufacturing a titanium-containing electrodeposit with which it is possible to achieve satisfactory refinement by electrodeposition without using the Kroll method. The present invention is a method for manufacturing a titanium-containing electrodeposit including an electrodeposition step for electrodepositing a titanium-containing electrodeposit in a chloride bath Bf that is a molten salt using a negative electrode 130 and a positive electrode 120 containing a TiAlO electroconductive material that contains titanium, aluminum, and oxygen, the electrodeposition step being such that the current density of the negative electrode 130 is in the range of 0.3 A/cm2to 2.0 A/cm2 and the chloride bath Bf contains 1 mol% or more of lower titanium chloride.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
A titanium porous body according to the present invention is sheet-like, and is configured such that the ratio of the electric conductivity (kS/cm) with respect to the relative density (-) thereof is 8.0 kS/cm or more, and the ratio of the air impermeability (s) with respect to the thickness (mm) thereof is 8.0 s/mm or less.
B22F 3/18 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor by using pressure rollers
Provided is an olefin polymerization solid catalyst component with which an olefin polymer having superior fluidity and high rigidity, even with a narrow molecular weight distribution, could be manufactured easily without having to apply complicated polymerization processing. The present invention provides an olefin polymerization solid catalyst component that contains magnesium, titanium, and a halogen and that also contains aromatic carboxylic acid esters and 1,3-diether compounds, as internal electron-donating compounds, the olefin polymerization solid catalyst component being characterized in that the titanium content is 0.5-2.0 mass%, the aromatic carboxylic acid ester content in the total content of the internal electron-donating compounds is 40-60 mol%, and the 1,3-diether compound content in the total content of the internal electron-donating compounds is 40-60 mol%.
Solid catalyst component for olefin polymerization, method for producing solid catalyst component for olefin polymerization, method for producing catalyst for olefin polymerization and method for producing polymer of olefin
Provided is a solid catalyst component for olefin polymerization which is capable of exerting favorable ethylene responsiveness while forming a propylene homopolymer having high stereoregularity, when subjected to ethylene-propylene copolymerization reaction. The present invention provides a solid catalyst component for olefin polymerization, comprising titanium, magnesium, halogen, and an internal electron-donating compound, wherein the internal electron-donating compound comprises an electron-donating compound (i) having a phthalic acid ester structure, and an electron-donating compound (ii) having two or more kinds of groups selected from an ether group, an ester group and a carbonate group and having no phthalic acid ester structure, wherein a content ratio of the electron-donating compound (ii) having two or more kinds of groups selected from an ether group, an ester group and a carbonate group and having no phthalic acid ester structure is 0.5 to 1.5% by mass.
Provided is a method for producing metal titanium by molten salt electrolysis using a conductive material containing titanium, aluminum, oxygen and other impurities. A method for producing metal titanium, wherein a refining process includes: a rough electrodeposition step of performing a molten salt electrolysis using an electrode containing a TiAlO conductive material in a chloride bath Bf to obtain a titanium-containing electrodeposit TC; and one or more refinement electrodeposition steps of performing a molten salt electrolysis using an electrode containing the titanium-containing electrodeposit TC in a chloride bath Bf, and wherein at least one of the chloride bath Bf used for the rough electrodeposition step and the chloride bath Bf used for the refinement electrodeposition step contains 30 mol % or more of magnesium chloride.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
69.
METAL TITANIUM PRODUCTION METHOD AND METAL TITANIUM ELECTRODEPOSIT
Provided is a metal titanium production method for producing metal titanium through molten salt electrolysis by using a conductive material containing titanium, aluminum, and oxygen. In this metal titanium production method, a refinement process comprises: a crude electrodeposition step for obtaining a titanium-containing electrodeposit TC by performing, in a chloride bath Bf, molten salt electrolysis using an electrode that contains a TiAlO conductive material; and at least one round of a refined electrodeposition step for performing, in a chloride bath Bf, molten salt electrolysis using an electrode that contains a titanium-containing electrodeposit TC. Regarding the chloride bath Bf used in the crude electrodeposition step and the chloride bath Bf used in the refined electrodeposition step, at least one of the chloride baths Bf contains 30 mol% or more of magnesium chloride.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
This titanium green compact production method produces a titanium green compact 101 that has a recessed section 102. The recessed section 102 of the titanium green compact 101 has a shape whereby, in at least one cross section that includes at least part of the central axis CC of the recessed section 102, the width changes in at least part of the central axis direction of the recessed section 102 and/or has a shape that includes a curved section and/or a bent section of the central axis Cc of the recessed section 102. The titanium green compact production method includes: a step in which a core material-constituting material is caused to flow into and fill a core material arrangement space 5a that corresponds to the recessed section 102 in a resin mold 1 and a core material 11 that has a shape corresponding to the recessed section 102 is arranged; a step in which a raw material powder is filled in a molding space 2 of the mold 1; and a step in which cold isostatic pressurization is performed at an isostatic pressure of at least 300 MPa on the mold 1 which has the raw material powder filled into the molding space 2, in a state in which the core material 11 is arranged inside the core material arrangement space 5a.
B22F 5/10 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
A method for producing a metallic green compact 61 relates to a method for producing the green compact 61 having at least one recess 62, including a step of subjecting a raw material powder filled in a resin mold 1 to cold isostatic pressing while placing a resin core material 11 having a shape corresponding to the recess 62 at a position corresponding to the recess 62 in the resin mold 1.
A method for producing a titanium foil according to the present invention includes an electrodeposition step of performing electrolysis with electrodes including an anode and a cathode using a molten salt bath comprising titanium ions and having at least one molten chloride to deposit metal titanium onto an electrolytic surface of the cathode, wherein the electrodeposition step includes maintaining a ratio of a molar concentration of titanium ions to the total molar concentration of metal ions in the molten salt bath at 7% or more, and maintaining a temperature of the molten salt bath at 510°C or less, and conducing a current to the electrodes under conditions where a continuous stop time of current conduction is less than 1.0 second, a current density is 0.10 A/cm2 or more and 1.0 A/cm2 or less, and a time for electrodepositing the metal titanium onto the electrolytic surface of the cathode is 120 minutes or less.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
C25D 3/66 - ElectroplatingBaths therefor from melts
This production method for titanium foil includes an electrodeposition step in which a molten salt bath that includes titanium ions and a molten chloride is used to perform electrolysis at an electrode that includes an anode and a cathode, and titanium metal is deposited at an electrolysis surface of the cathode. During the electrodeposition step, the ratio of the molar concentration of titanium ions to the total molar concentration of metal ions in the molten salt bath is kept at or above 7%, the temperature of the molten salt bath is kept at or below 510°C, and, when the electrode is energized, the energization has a continuous stop time of less than 1.0 seconds, the current density is at least 0.10 A/cm2but no more than 1.0 A/cm2, and the electrodeposition time of the titanium metal onto the electrolysis surface of the cathode is no more than 120 minutes.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
Provided is a method which is for manufacturing a porous metal body and by which a porous metal body, which has a suppressed variation in thickness even when a molding plate having a relatively small thickness is used multiple times, can be manufactured. This method for manufacturing a porous metal body involves performing a process multiple times, the process including: a depositing step for depositing metal powders in a dry manner on a molding plate 100, which is made of carbon and has a thickness of at most 30 mm and an area of a surface, on which metal powders are deposited, of at least 36 cm2; and a sintering step for sintering the metal powders on the molding plate 100, wherein the plurality of the processes are performed using the same molding plate 100, and at least one process among the plurality of the processes further includes, between the depositing step and the sintering step, a thickness adjusting step for adjusting the thickness of the metal powder-deposited layer on the molding plate 100 while making a surface 105 of the molding plate 100 have a flat surface shape.
Particles containing a titanate compound according to the present invention comprise alkali metal titanate particles and binder layers, wherein the particles containing the titanate compound has a 50% particle diameter D50 of from 40 μm to 100 μm, and wherein a content ratio of the particles containing the titanate compound having a shorter diameter d of 3 μm or less, a longer diameter L of 5 μm or more, and an aspect ratio (L/d) of 3 or more is 0.05 mass % or less.
SOLID CATALYTIC COMPONENT FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING SOLID CATALYTIC COMPONENT FOR OLEFIN POLYMERIZATION, CATALYST FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING OLEFIN POLYMER PARTICLES, AND OLEFIN POLYMER PARTICLES
C08F 4/65 - Pretreating the metal or compound covered by group before the final contacting with the metal or compound covered by group
77.
METHOD FOR PRODUCING SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING CATALYST FOR OLEFIN POLYMERIZATION, AND METHOD FOR PRODUCING OLEFIN POLYMER
Provided is a method for producing a solid catalyst component for olefin polymerization, the method being characterized by having: a first production step for obtaining a contact product by bringing titanium tetrachloride, a magnesium compound, an internal electron-donating compound and an inert organic solvent into contact with each other; a washing step for obtaining a washed product by washing the contact product obtained in the first production step with an inert organic solvent; and a second production step for obtaining a solid catalyst component by bringing the washed product obtained in the washing step, silicon tetrachloride, an organic acid chloride or metal chloride and an inert organic solvent into contact with each other. According to the present invention, it is possible to provide a method for producing a solid catalyst component for olefin polymerization, the method enabling the yield of a catalyst capable of producing an olefin polymer having excellent stereoregularity and whose catalytic activity does not become excessively low when an olefin is polymerized using a catalyst obtained using the solid catalyst component, which contains titanium, a halogen, magnesium, an internal electron-donating compound and an alkoxy group.
C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
C08F 4/638 - Pretreating with metals or metal-containing compounds with metals or metal-containing compounds, not provided for in a single group of groups
C08F 4/654 - Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
A method of producing Mg-containing particles, according to the present invention, in which the Mg-containing particles are obtained by performing classification processing by using a centrifugal air classifier comprising a housing, a rotating body that rotates within the housing, a classification chamber located on an outer edge side of the rotating body, and a flow path that is formed at an inner surface of the housing and a top surface of the rotating body and connects the classification chamber to an upstream end part, said method comprising: a step for supplying unclassified Mg-containing particles flowing through the interior of the flow path to the classification chamber with the mean flow velocity of the unclassified Mg-containing particles that are more to the downstream side than the upstream end part in the flow path being lower than the mean flow velocity of the unclassified Mg-containing particles in the upstream end part; and a step for classifying the unclassified Mg-containing particles in the classification chamber to obtain Mg-containing particles, wherein the durability index A(%) of the unclassified Mg-containing particles obtained by expression (1) below is 85 or less. (1): A = (Z÷Y) x 100
B07B 7/083 - Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
The production method for a porous metal body according to the present invention is for producing a sheet-shaped porous metal body 4a containing titanium by heating and sintering a titanium-containing powder 4 on a molding surface 2 of a molding die 1, the method comprising: an area-setting step for setting, on the molding surface 2 of the molding die 1, an adhesion area Aa which is located on an outer periphery side of the molding surface 2, in which no release layer 3 is present, and to which the titanium-containing powder 4 adheres during sintering, and setting an easy release area Ar in which a release layer 3 is formed; a powder deposition step for, after the area-setting step, depositing the titanium-containing powder 4 on the molding surface 2 in a dry manner; and a powder-sintering step for, after the powder deposition step, heating the titanium-containing powder 4 on the molding surface 2 to a temperature of 950°C or higher, to sinter the titanium-containing powder 4 on the molding surface 2 while adhering, to the adhesion area Aa, the titanium-containing powder 4 in the adhesion area Aa.
A titanium-based porous body according to the present invention is a sheet-like titanium-based porous body containing titanium, and having a thickness of at most 0.8 mm, a porosity of 30-65%, and a maximum height Rz1 of one sheet surface of at most 30 μm, wherein the ratio (Rz2/Rz1) of the maximum height Rz2 of the other sheet surface to the maximum height Rz1 of the one sheet surface is at least 1.2, and the compressive deformation rate is at most 19%.
METHOD FOR PRODUCING SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN, SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN, CATALYST FOR POLYMERIZATION OF OLEFIN, METHOD FOR PRODUCING CATALYST FOR POLYMERIZATION OF OLEFIN AND METHOD FOR PRODUCING POLYMER OF OLEFIN
An object of the present invention is to provide a solid catalyst component for polymerization of an olefin that has a polymerization activity equivalent to or higher than that of the case using a solid catalyst component in which a phthalic acid ester compound or diether compound is used as an internal electron-donating compound, and that can produce an olefin polymer with an excellent bulk density and a low content of olefin oligomers. The present invention provides a solid catalyst component for polymerization of an olefin, obtained by sequentially performing the following steps: (i) a first step of bringing compounds selected from particular phthalic acid ester compounds (A), a magnesium compound and a halogen-containing titanium compound into contact; (ii) a second step of further bringing the first contact product obtained in the above step (i) and compounds selected from particular diether compounds (B) into contact, and then washing the obtained second contact product; and (iii) a third step of obtaining a contact product between the washed second contact product and a halogen-containing titanium compound, then washing the obtained contact product, and further bringing it into contact with particular phthalic acid ester compounds (A) and a halogen-containing titanium compound, thereby obtaining a third contact product.
C08F 4/63 - Pretreating the metal or compound covered by group before the final contacting with the metal or compound covered by group
82.
Method for producing solid catalyst component for polymerization of olefin, solid catalyst component for polymerization of olefin, catalyst for polymerization of olefin, method for producing catalyst for polymerization of olefin and method for producing polymer of olefin
A solid catalyst component for polymerization of an olefin having a polymerization activity equivalent to or higher than a solid catalyst component having a phthalic acid ester compound or diether compound as an internal electron-donating compound, and can produce an olefin polymer having excellent bulk density and low content of olefin oligomers. A solid catalyst component for polymerization of an olefin is obtained by: (i) bringing compounds selected from particular phthalic acid ester compounds (A), a magnesium compound and a halogen-containing titanium compound into contact; (ii) bringing the first contact product obtained in step (i) and compounds selected from particular diether compounds (B) into contact, and washing the second contact product; and (iii) obtaining a contact product between the washed second contact product and a halogen-containing titanium compound, washing the contact product, and bringing it into contact with particular phthalic acid ester compounds (A) and a halogen-containing titanium compound.
Method for manufacturing solid catalyst component for polymerization of olefin, method for manufacturing catalyst for polymerization of olefin, and method for manufacturing polymer of olefin
A method for manufacturing a solid catalyst component for polymerization of an olefin is disclosed, which includes bringing a magnesium compound and a specific styrene-based compound into contact with each other to obtain a preliminary contact product, and subsequently bringing the preliminary contact product, a titanium halide compound, and an internal electron donor compound into contact with each other to obtain a solid catalyst component for polymerization of an olefin; and a method for manufacturing a catalyst for polymerization of an olefin and a method for manufacturing a polymer of an olefin using the solid catalyst component for polymerization of an olefin obtained by the manufacturing method.
METHOD FOR PRODUCING SOLID CATALYTIC COMPONENT FOR OLEFIN POLYMERIZATION, CATALYST FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING CATALYST FOR OLEFIN POLYMERIZATION, AND METHOD FOR PRODUCING OLEFIN POLYMER
Provided is a method for producing a solid catalytic component which is for olefin polymerization and is obtained by a production method using an organic solvent other than an aromatic hydrocarbon, and which, when provided for the polymerization of olefins, enables a polymer having excellent balanced properties such as processability or crystallinity to be produced under high polymerization activity, like a solid catalytic component for olefin polymerization produced by using an aromatic hydrocarbon. The method for producing a solid catalytic component for olefin polymerization is characterized in that a solid catalytic component for olefin polymerization is obtained by bringing dialkoxy magnesium, a tetravalent titanium halogen compound, and an internal electron-donating compound into contact with each other in an inert organic solvent containing an alicyclic hydrocarbon compound.
The present invention provides a method for producing a catalyst for olefin polymerization, said catalyst exhibiting excellent catalytic activity during the polymerization of olefins by being suppressed in decrease of polymerization activity caused by early deactivation of active sites after the formation of the catalyst, while enabling the production of an olefin polymer that has excellent tacticity. A method for producing a catalyst for olefin polymerization by bringing a solid catalyst component (A), which contains magnesium, titanium, a halogen and an internal electron-donating compound, and a specific organic aluminum compound (B), which is represented by general formula (I), into contact with each other, said method being characterized in that at least one of the solid catalyst component (A) and the organic aluminum compound (B) is brought into contact with a hydrocarbon compound in advance, said hydrocarbon compound having one or more vinyl groups.
Provided is method for producing an olefin polymerization catalyst that exhibits excellent catalytic activity during polymerization of olefins by suppressing reduction in polymerization activity caused by inactivation of an activity spot at an early stage after catalyst formation, and that enables production of an olefin polymer having excellent stereoregularity. This method is for producing an olefin polymerization catalyst by bringing in contact with each other a specific organic aluminum compound (B) represented by general formula (I) and a solid catalyst component (A) containing magnesium, titanium, a halogen, and an internal electron-donating compound, and is characterized in that at least one selected from the solid catalyst component (A) and the organic aluminum compound (B) is treated in advance so as to be brought in contact with a hydrocarbon compound having at least one vinyl group, in an organic solvent containing 30 mass% or more of at least one compound selected from saturated aliphatic hydrocarbon compounds having 20 or more carbon atoms.
C08F 4/654 - Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
87.
SOLID CATALYTIC COMPONENT FOR OLEFIN POLYMERIZATION AND PRODUCTION METHOD THEREFOR, CATALYST FOR OLEFIN POLYMERIZATION AND PRODUCTION METHOD THEREFOR, AND PRODUCTION METHOD FOR OLEFIN POLYMER
Provided is a solid catalytic component that is for olefin polymerization and that, when used in olefin polymerization, allows easy formulation of an olefin polymer in which reduction in polymerization activity per unit time is suitably suppressed, improves the efficiency of drying, and quickly and significantly reduces the content ratio of residual volatile organic compounds, without using a phthalic acid ester. This solid catalytic component for olefin polymerization comprises magnesium, titanium, a halogen, and a 1,3-diether compound, and is characterized in that the proportion of the 1,3-diether compound contained in the solid catalytic component for olefin polymerization is 2.50-15.00 mass%, and the specific surface area of the solid catalytic component for olefin polymerization is at least 250 m2/g.
Provided is a solid catalyst component for olefin polymerization that makes it possible to satisfy practically satisfactory standards regarding the stereoregularity and the molecular weight distribution range of an obtained polymer, copolymerization activity, and the block ratio of an obtained polymer while achieving a good balance between these properties despite not containing any electron donor compounds other than a phthalate ester. The solid catalyst component for olefin polymerization is characterized by including magnesium, titanium, halogen, an ether carbonate compound (A), and a succinic acid diester compound (B), and by the molar ratio represented by the formula indicated below (content of the ether carbonate compound (A)/content of the succinic acid diester compound (B)) being 0.01-1.00.
C25C 3/28 - Electrolytic production, recovery or refining of metals by electrolysis of melts of titanium, zirconium, hafnium, tantalum or vanadium of titanium
A method for manufacturing a porous metal body according to the present invention is a method for manufacturing a porous metal body containing titanium, and comprises: a surface oxidization step in which a titanium-containing powder is heated at a temperature of 250°C or higher for 30 minutes or longer under an oxygen-containing atmosphere to produce a surface-oxidized powder; and a sintering step in which the surface-oxidized powder is accumulated in a dry mode and is then sintered by heating at a temperature of 950°C or higher under a pressure-reduced atmosphere or an inert atmosphere.
The present invention provides a method for analyzing the oxygen concentration of a sponge titanium, said method being capable of measuring the oxygen concentration of a sponge titanium with high accuracy. A method for analyzing the oxygen concentration of a sponge titanium, said method comprising: a preparation step wherein a dummy titanium is set within a melting device; a first melting step wherein the dummy titanium is melted within the melting device in a reduced pressure atmosphere or in an inert atmosphere after the preparation step; and a second melting step wherein a sponge titanium for analysis is melted and subsequently solidified within the melting device, while maintaining the reduced pressure atmosphere or the inert atmosphere after the first melting step, thereby obtaining a sample for analysis.
G01N 31/00 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroupsApparatus specially adapted for such methods
322; and by precipitating the molybdenum oxychloride in a recovery chamber by cooling the synthesized molybdenum oxychloride gas, the manufacturing method being characterized in that an impurity trap is provided between the reaction chamber and the recovery chamber, and impurities are removed at the impurity trap. The present invention addresses the problem of providing a high-purity molybdenum oxychloride and a manufacturing method therefor.
C23C 16/08 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material from metal halides
93.
PROCESSED TITANIUM MATERIAL AND MANUFACTURING METHOD THEREFOR
111111 21111111 is the distance (mm) between adjacent pushing positions in the first pressing surface in a direction orthogonal to both the direction of extension of the first pressing surface and the pushing direction of the first pressing body.
B21B 1/02 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, billets, in which the cross-sectional form is unimportant
B21B 3/00 - Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences
B21B 45/00 - Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
A method for manufacturing a titanium material in which a titanium ingredient is caused to pass through a gap between a pair of rolls, wherein: at least one roll of the pair of rolls has a plurality of protrusions arranged so as to have a zigzag shape when the surface of the roll is viewed in plan view; the manufacturing method comprises a step in which the protrusions are pressed into the surface of the titanium ingredient, thereby forming a plurality of dimples in the surface of the titanium ingredient; the protrusions are provided with spherical pressing surfaces at the distal ends thereof; and R is within the range from 3 to 30, D is within the range from 2 to 10 and is equal to or less than h, and S is within the range from 2(R2-(R-D)2)1/2to 3(R2-(R-D)2)1/2, where h (mm) is the height of the pressing surfaces, R (mm) is the radius of curvature of the pressing surfaces of the protrusions, S (mm) is the distance between the centers of adjacent protrusions in the passage direction of the titanium ingredient, and D (mm) is the pressing amount of the protrusions. Using a processed titanium material obtained through this method makes it possible to reduce surface damage produced during hot-rolling.
B21B 1/02 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, billets, in which the cross-sectional form is unimportant
B21B 3/00 - Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences
B21B 45/00 - Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
In the present invention, a rolling roll 5 having a roll diameter of 20mm to 90mm is used to cold roll or hot roll a titanium raw material 1 to a total reduction amount of at least 1.0%, and as a result of the foregoing, strain is imparted to the surface of the titanium raw material. According to a processed titanium material obtained by this manufacturing method, surface defects generated when hot rolling is performed can be reduced.
A manufacturing method of a gas diffusion layer with a microporous layer includes coating a gas diffusion layer containing titanium with a precursor containing an electroconductive material, a water-repellent resin, and a polyethylene oxide, and heating the gas diffusion layer coated with the precursor to form a microporous layer containing the electroconductive material and the water-repellent resin on a surface of the gas diffusion layer. The heating atmosphere is a non-oxidation atmosphere where an oxygen concentration is no more than 0.3% by volume.
H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
98.
POROUS METAL BODY, LIGHTING ORNAMENT, LIGHTING DEVICE, AND METHOD OF PRODUCING POROUS METAL BODY
This porous metal body 1 has a plurality of holes 3 that are demarcated between titanium-containing fibers 2. The holes 3 include at least seven different types of holes 3 that have different sizes. The seven types of holes 3 are: a hole 3 having a projected area of more than 50 μm2up to 100 μm2; a hole 3 having a projected area of more than 100 μm2up to 500 μm2; a hole 3 having a projected area of more than 500 μm2up to 1000 μm2; a hole 3 having a projected area of more than 1000 μm2up to 5000 μm2; a hole 3 having a projected area of more than 5000 μm2up to 10000 μm2; a hole 3 having a projected area of more than 10000 μm2up to 50000 μm2; and a hole 3 having a projected area of more than 50000 μm2up to 200000 μm2.
A porous titanium-based sintered body, having a porosity of 50% to 75%, an average pore diameter of 23 μm to 45 μm, and a specific surface area of 0.020 m2/g to 0.065 m2/g, and having a bending strength of 22 MPa or more. According to the present invention, a porous titanium-based sintered body having a high porosity, a large specific surface area and a large average pore diameter and thereby having good gas permeability or liquid permeability, and further having a high strength can be provided.
A method for producing a green compact 61 of the present invention is a method for producing a metal green compact 61 having a concave portion 62 that includes a step of arranging a resin core material 11 having a shape corresponding to the concave portion 62 at a place in the resin mold 1 that corresponds to the concave portion 62, and then performing cold isostatic pressurization on a raw material powder filled in the mold 1.
C22C 1/04 - Making non-ferrous alloys by powder metallurgy
B30B 11/00 - Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses or tabletting presses
