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 - Obtention par des procédés en phase vapeur, p.ex. par oxydation d'halogénures
6.
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 - Appareils et instruments scientifiques et électriques
Produits et 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.
9.
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 - Compactage seul par utilisation de pression de fluide
B22F 5/10 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser d'articles avec des cavités ou des trous, non prévue dans les sous-groupes précédents
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 3/11 - Fabrication de pièces ou d'objets poreux
B22F 1/052 - Poudres métalliques caractérisées par la dimension ou la surface spécifique des particules caractérisées par un mélange de particules de dimensions différentes ou par la distribution granulométrique des particules
C22C 1/08 - Alliages poreux avec pores ouverts ou fermés
11.
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 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires à partir de polycondensats non saturés
C08F 4/52 - Métaux; Hydrures métalliques; Composés organiques de métal; Leur utilisation comme précurseurs de catalyseurs choisis parmi les métaux légers, le zinc, le cadmium, le mercure, le cuivre, l'argent, l'or, le bore, le gallium, l'indium, le thallium, les terres rares ou les actinides choisis parmi le bore, l'aluminium, le gallium, l'indium, le thallium ou les terres rares
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.
C22C 1/08 - Alliages poreux avec pores ouverts ou fermés
B22F 1/00 - Poudres métalliques; Traitement des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 1/052 - Poudres métalliques caractérisées par la dimension ou la surface spécifique des particules caractérisées par un mélange de particules de dimensions différentes ou par la distribution granulométrique des particules
B22F 3/035 - Presses de moulage à cet effet avec une ou plusieurs parties montées de façon pivotante
B22F 3/11 - Fabrication de pièces ou d'objets poreux
09 - Appareils et instruments scientifiques et électriques
Produits et 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
20.
SOLID CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN, CATALYST FOR POLYMERIZATION OF OLEFIN, AND METHOD FOR PRODUCING POLYMER OF OLEFIN
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
The present invention provides a solid catalyst component for polymerization of an olefin, which appropriately suppresses a decrease in polymerization activity per unit time when having been supplied to the polymerization of the olefin, even without using a phthalic acid ester, and can easily prepare a polymer of an olefin, in which drying efficiency is improved, and a content ratio of a remaining volatile organic compound is greatly reduced in a short period of time. The solid catalyst component for polymerization of an olefin includes magnesium, titanium, halogen and a 1,3-diether compound, wherein a ratio of the 1,3-diether compound contained in the solid catalyst component for polymerization of an olefin is 2.50 to 15.00% by mass, and a specific surface area of the solid catalyst component for polymerization of an olefin is 250 m2/g or larger.
C08F 4/76 - Métaux; Hydrures métalliques; Composés organiques de métal; Leur utilisation comme précurseurs de catalyseurs choisis parmi les métaux non prévus dans le groupe choisis parmi les métaux réfractaires choisis parmi le titane, le zirconium, le hafnium, le vanadium, le niobium ou le tantale
C08F 4/10 - Composés métalliques autres que les hydrures et autres que les composés organiques de métal; Complexes d'halogénures de bore ou d'halogénures d'aluminium avec des composés organiques contenant de l'oxygène de métaux alcalino-terreux, de zinc, de cadmium, de mercure, de cuivre ou d'argent
C08F 4/629 - Catalyseurs comprenant un non-métal spécifique ou un composé spécifique exempt d'atomes métalliques organique
H01B 1/06 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisés; Emploi de matériaux spécifiés comme conducteurs composés principalement d'autres substances non métalliques
H01B 1/08 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisés; Emploi de matériaux spécifiés comme conducteurs composés principalement d'autres substances non métalliques oxydes
23.
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 - Production, récupération ou affinage électrolytique de métaux par électrolyse de bains fondus du titane, du zirconium, de l'hafnium, du tantale ou du vanadium du titane
C22B 5/04 - Procédés généraux de réduction appliqués aux métaux par voie sèche par l'aluminium, d'autres métaux ou le silicium
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 - Production, récupération ou affinage électrolytique de métaux par électrolyse de bains fondus du titane, du zirconium, de l'hafnium, du tantale ou du vanadium du titane
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 - Production, récupération ou affinage électrolytique de métaux par électrolyse de bains fondus du titane, du zirconium, de l'hafnium, du tantale ou du vanadium du titane
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 3/11 - Fabrication de pièces ou d'objets poreux
B22F 3/18 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittage; Appareils spécialement adaptés à cet effet en utilisant des rouleaux presseurs
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 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 - Production, récupération ou affinage électrolytique de métaux par électrolyse de bains fondus du titane, du zirconium, de l'hafnium, du tantale ou du vanadium du titane
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 - Production, récupération ou affinage électrolytique de métaux par électrolyse de bains fondus du titane, du zirconium, de l'hafnium, du tantale ou du vanadium du titane
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 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser d'articles avec des cavités ou des trous, non prévue dans les sous-groupes précédents
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 - Production, récupération ou affinage électrolytique de métaux par électrolyse de bains fondus du titane, du zirconium, de l'hafnium, du tantale ou du vanadium du titane
C25D 3/66 - Dépôt électrochimique; Bains utilisés à partir de bains fondus
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 - Production, récupération ou affinage électrolytique de métaux par électrolyse de bains fondus du titane, du zirconium, de l'hafnium, du tantale ou du vanadium du titane
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 - Prétraitement du métal ou du composé couvert par le groupe avant le contact final avec le métal ou le composé couvert par le groupe
39.
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 - Homopolymères ou copolymères d'hydrocarbures aliphatiques non saturés contenant une seule liaison double carbone-carbone
C08F 4/638 - Prétraitement avec des métaux ou des composés métalliques avec des métaux ou des composés métalliques, non prévus dans un seul des groupes
C08F 4/654 - Prétraitement avec des métaux ou des composés métalliques avec le magnésium ou ses composés
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 - Séparation sélective des matériaux solides portés par des courants de gaz, ou dispersés dans ceux-ci utilisant la force centrifuge produite par la rotation d'ailettes, de disques, de tambours ou de brosses
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%.
C22C 1/08 - Alliages poreux avec pores ouverts ou fermés
B22F 3/11 - Fabrication de pièces ou d'objets poreux
43.
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 - Prétraitement du métal ou du composé couvert par le groupe avant le contact final avec le métal ou le composé couvert par le groupe
44.
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.
B01J 35/02 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides
46.
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 - Prétraitement avec des métaux ou des composés métalliques avec le magnésium ou ses composés
49.
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 - Production, récupération ou affinage électrolytique de métaux par électrolyse de bains fondus du titane, du zirconium, de l'hafnium, du tantale ou du vanadium du titane
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.
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 - Revêtement chimique par décomposition de composés gazeux, ne laissant pas de produits de réaction du matériau de la surface dans le revêtement, c. à d. procédés de dépôt chimique en phase vapeur (CVD) caractérisé par le dépôt d'un matériau métallique à partir d'halogénures métalliques
54.
METHOD FOR ANALYZING OXYGEN CONCENTRATION OF SPONGE TITANIUM
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 - Recherche ou analyse des matériaux non biologiques par l'emploi des procédés chimiques spécifiés dans les sous-groupes; Appareils spécialement adaptés à de tels procédés
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 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilés; Séquence des opérations dans les trains de laminoirs; Installation d'une usine de laminage, p.ex. groupement de cages; Succession des passes ou des alternances de passes pour laminer de grosses pièces, p.ex. des lingots, brames, billettes dont la section droite est sans importance
B21B 3/00 - Laminage des matériaux faits d'alliages particuliers dans la mesure où la nature de l'alliage exige ou permet l'emploi de méthodes ou de séquences particulières
B21B 45/00 - Dispositifs pour le traitement de surface des pièces spécialement combinés aux laminoirs, disposés dans les laminoirs, ou adaptés pour être utilisés avec les laminoirs
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 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilés; Séquence des opérations dans les trains de laminoirs; Installation d'une usine de laminage, p.ex. groupement de cages; Succession des passes ou des alternances de passes pour laminer de grosses pièces, p.ex. des lingots, brames, billettes dont la section droite est sans importance
B21B 3/00 - Laminage des matériaux faits d'alliages particuliers dans la mesure où la nature de l'alliage exige ou permet l'emploi de méthodes ou de séquences particulières
B21B 45/00 - Dispositifs pour le traitement de surface des pièces spécialement combinés aux laminoirs, disposés dans les laminoirs, ou adaptés pour être utilisés avec les laminoirs
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.
B21B 3/00 - Laminage des matériaux faits d'alliages particuliers dans la mesure où la nature de l'alliage exige ou permet l'emploi de méthodes ou de séquences particulières
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 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisés; Emploi de matériaux spécifiés comme conducteurs composés principalement de métaux ou d'alliages
H01B 5/00 - Conducteurs ou corps conducteurs non isolés caractérisés par la forme
60.
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 - Fabrication des alliages non ferreux par métallurgie des poudres
B30B 11/00 - Presses spécialement adaptées à la fabrication d'objets à partir d'un matériau en grains ou à l'état plastique, p.ex. presses à briquettes ou presses à tablettes
63.
Titanium-based porous body and method of producing the same
B01D 39/20 - Autres substances filtrantes autoportantes en substance inorganique, p.ex. papier d'amiante ou substance filtrante métallique faite de fils métalliques non-tissés
B22F 1/00 - Poudres métalliques; Traitement des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 3/11 - Fabrication de pièces ou d'objets poreux
H01M 4/86 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes inertes ayant une activité catalytique, p.ex. pour piles à combustible
64.
ALKALI METAL TITANATE, METHOD FOR PRODUCING ALKALI METAL TITANATE, AND FRICTIONAL MATERIAL
An alkali metal titanate includes an alkali metal titanate phase and a composite oxide containing Al, Si and Na, wherein a percentage of a ratio of the number of moles of Na to a total number of moles of Na and alkali metal X other than Na, ((Na/(Na+X))×100), is 50 to 100 mol %, and a percentage of a ratio of a total content of Si and Al to a content of Ti, (((Si+Al)/Ti)×100), is 0.3 to 10 mass %. According to the disclosure, an alkali metal titanate having a small content of a 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 can be provided.
Provided is a novel olefin polymer which is excellent in lightness and moldability, has high rigidity and yields molded products excellent in flexural elasticity. The olefin polymer includes a propylene initial polymerization product formed in the presence of an olefin polymerization catalyst which is a contact reaction product of an olefin polymerization solid catalyst component containing a titanium atom, a magnesium atom, a halogen atom and an internal electron donating compound, at least one organoaluminum compound selected from the compounds of the general formula (I), and a first external electron donating compound; and a polypropylene part formed of a propylene polymerization product formed in the presence of the olefin polymerization catalyst and a second external electron donating compound higher in adsorption to the surface of the olefin polymerization solid catalyst component than the first external electron donating compound.
C08F 4/656 - Prétraitement avec des métaux ou des composés métalliques avec le silicium ou ses composés
C08F 297/08 - Composés macromoléculaires obtenus en polymérisant successivement des systèmes différents de monomère utilisant un catalyseur de type ionique ou du type de coordination sans désactivation du polymère intermédiaire utilisant un catalyseur du type de coordination en polymérisant des mono-oléfines
C08F 4/658 - Prétraitement avec des métaux ou des composés métalliques avec des métaux ou des composés métalliques non prévus dans un seul des groupes
C08F 4/657 - Prétraitement avec des métaux ou des composés métalliques avec des métaux ou des composés métalliques non prévus dans les groupes
66.
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 comprising an electron-donating compound other than a phthalate, the solid catalyst component being equal in the olefin-polymerizing activity and in the primary physical properties of the resulting polymer such as stereoregularity and molecular weight distribution to those with use of a phthalate as an electron-donating compound. A solid catalyst component for olefin polymerization comprises a magnesium atom, a titanium atom, a halogen atom, an ester compound (A) represented by a general formula (1) and a diester compound (B) represented by a general formula (2), wherein
is 0.05 to 50.
C08F 4/659 - Composant couvert par le groupe contenant une liaison métal de transition-carbone
C08F 4/649 - Catalyseurs comprenant un non-métal spécifique ou un composé spécifique exempt d'atomes métalliques organique
C08F 4/654 - Prétraitement avec des métaux ou des composés métalliques avec le magnésium ou ses composés
C08F 4/646 - Catalyseurs contenant au moins deux métaux différents, sous forme de métal ou composé métallique, en plus du composant couvert par le groupe
C07C 69/618 - Esters d'acides carboxyliques avec un groupe carboxyle lié à un atome de carbone acyclique et comportant un cycle aromatique à six chaînons dans la partie acide avec insaturation autre que celle du cycle aromatique à six chaînons
A porous titanium-based sintered body, having a porosity of 45% to 65%, an average pore diameter of 5 μm to 15 μm, and a bending strength of 100 MPa or more. According to the present invention, a porous titanium-based sintered body having good pore diameter and porosity that are compatible with each other and having a high strength can be provided.
H01M 4/134 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes composées d'un ou comprenant un matériau actif Électrodes pour accumulateurs à électrolyte non aqueux, p.ex. pour accumulateurs au lithium; Leurs procédés de fabrication Électrodes à base de métaux, de Si ou d'alliages
B22F 1/05 - Poudres métalliques caractérisées par la dimension ou la surface spécifique des particules
H01B 1/06 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisés; Emploi de matériaux spécifiés comme conducteurs composés principalement d'autres substances non métalliques
H01B 1/08 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisés; Emploi de matériaux spécifiés comme conducteurs composés principalement d'autres substances non métalliques oxydes
69.
Alkoxymagnesium, method for producing alkoxymagnesium, solid catalyst component for olefin polymerization, olefin polymerization catalyst, and method for producing olefin polymer
C07C 29/70 - Préparation d'alcoolates métalliques par transformation des groupes hydroxyle en groupes O-métal
C07C 31/30 - Alcoolates alcalins ou alcalino-terreux
C08F 4/52 - Métaux; Hydrures métalliques; Composés organiques de métal; Leur utilisation comme précurseurs de catalyseurs choisis parmi les métaux légers, le zinc, le cadmium, le mercure, le cuivre, l'argent, l'or, le bore, le gallium, l'indium, le thallium, les terres rares ou les actinides choisis parmi le bore, l'aluminium, le gallium, l'indium, le thallium ou les terres rares
A method for producing titanium powder according to the present invention involves a process of reducing titanium tetrachloride in a metallic reduction reactor, the method comprising: a gas collection step for collecting a powder-containing internal gas from the inner space of the metallic reduction reactor; and a powder separation step for separating, from the internal gas, titanium powder-containing powder present in the internal gas.
B22F 1/00 - Poudres métalliques; Traitement des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 9/24 - Fabrication des poudres métalliques ou de leurs suspensions; Appareils ou dispositifs spécialement adaptés à cet effet par un procédé chimique avec réduction de mélanges métalliques à partir de mélanges métalliques liquides, p.ex. de solutions
B22F 9/28 - Fabrication des poudres métalliques ou de leurs suspensions; Appareils ou dispositifs spécialement adaptés à cet effet par un procédé chimique avec réduction de mélanges métalliques à partir de mélanges métalliques gazeux
These particles containing a titanic acid compound include alkali metal titanate particles and a binder layer. The 50% particle size D50 of the particles containing a titanic acid compound is 40-100 μm. The content ratio of particles containing a titanic acid compound that have a minor axis d of 3 μm or less, a major axis L of 5 μm or more, and an aspect ratio (L/d) of 3 or more is 0.05 mass% or less.
Provided is an alkali metal titanate which, when used as a constituent material of a friction material, is excellent in heat resistance and friction force and capable of effectively suppressing wear of a mating material disposed to face the friction material. The alkali metal titanate includes a sodium atom and a silicon atom. The content of the sodium atom is 2.0 to 8.5 mass %. The content of the silicon atom is 0.2 to 2.5 mass %. The ratio of the content of an alkali metal atom other than the sodium atom to the content of the sodium atom is 0 to 6.
Provided is a method for producing titanium sponge, the method being capable of producing a titanium sponge lump that has a large volume for the lump even at the upper end side, i.e., that has a shape approximating a column shape. The titanium sponge production method comprises a reduction step in which a titanium sponge lump is produced by maintaining molten magnesium in a reduction reaction vessel made of metal and feeding titanium tetrachloride thereinto. In the reduction step, the ratio (H2/H1) of the height H2 from the lower end of the titanium sponge lump to the upper end of the titanium sponge lump, to the height H1 from the lower end of the titanium sponge lump to the bath surface of the molten magnesium, satisfy the relationship in formula (1): H2/H1 ≤ 0.85 Formula (1).
METHOD FOR PRODUCING SOLID CATALYST INGREDIENT FOR OLEFIN POLYMERIZATION, SOLID CATALYST FOR OLEFIN POLYMERIZATION, AND METHOD FOR PRODUCING OLEFIN POLYMER
A method for producing a solid catalyst ingredient for olefin polymerization by contacting and reacting a halide of tetravalent titanium and one or more internally electron-donating compounds with a magnesium compound, the method being characterized by comprising production steps including cleaning steps, at least one of which is conducted using an inert organic solvent for cleaning which contains 1 mass ppm or more internally electron-donating compound. In the method for producing a solid catalyst ingredient for olefin polymerization according to the present invention, which includes repeatedly bringing a magnesium compound into contact with a titanium halide and/or an internally electron-donating compound at least once, the formation of fine particles can be inhibited in the cleaning performed after the contacting with the titanium halide and/or the internally electron-donating compound.
A method for producing metal titanium by carrying out electrolysis in a molten salt bath using a positive electrode and a negative electrode, the method comprising a titanium deposition step of depositing metal titanium on the negative electrode using, as the positive electrode, a positive electrode containing metal titanium, wherein, in the titanium deposition step, the temperature of the molten salt bath is set to 250 to 600°C inclusive and the average current density of the negative electrode until 30 minutes elapsed after the start of the titanium deposition step is kept at a value falling within the range from 0.01 to 0.09 A/cm2.
C25C 3/28 - Production, récupération ou affinage électrolytique de métaux par électrolyse de bains fondus du titane, du zirconium, de l'hafnium, du tantale ou du vanadium du titane
CATALYST FOR POLYMERIZATION OF OLEFINS, METHOD FOR PRODUCING CATALYST FOR POLYMERIZATION OF OLEFINS, METHOD FOR PRODUCING POLYMER OF OLEFINS, AND POLYMER OF OLEFINS
The present invention provides a catalyst for polymerization of olefins, which has excellent polymerization activity and high tacticity, and which is capable of preferably producing a polymer of olefins having a wide molecular weight distribution. A catalyst for polymerization of olefins, which is characterized by containing: a solid catalyst component that contains magnesium, titanium, a halogen and an internal electron-donating compound; an organic aluminum compound; one or more compounds that are selected from among compounds represented by general formula (I), said compounds serving as first external electron-donating compounds; and one or more compounds that are selected from among compounds represented by general formula (II) and aminosilane compounds, said compounds serving as second external electron-donating compounds. This catalyst for polymerization of olefins is also characterized by containing 1-50% by mole of the first external electron-donating compounds and 50-99% by mole of the second external electron-donating compounds in total relative to the total amount of the first external electron-donating compounds and the second external electron-donating compounds.
One of the problems addressed by the present invention is to provide a metal powder that comprises metal particles in which the concentration and distribution of sulfur are controlled, and a production method therefor. The provided method for producing the metal powder comprises generating a metal chloride gas by chlorinating a metal with chlorine, and generating metal particles by reducing a gaseous metal chloride in the presence of a gas containing sulfur. The reduction is done such that the bulk concentration of sulfur in the metal particles is between 0.01 wt% and 1.0 wt%, inclusive, and such that the local concentration of sulfur at a position 4 nm from the surface of the metal particles is at least 2 at%. The bulk concentration and local concentration are estimated by using an inductively coupled plasma atomic emission spectrometer and an energy-dispersive X-ray spectroscopic analyzer provided on a scanning transmission electron microscope, respectively.
B22F 1/00 - Poudres métalliques; Traitement des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 9/28 - Fabrication des poudres métalliques ou de leurs suspensions; Appareils ou dispositifs spécialement adaptés à cet effet par un procédé chimique avec réduction de mélanges métalliques à partir de mélanges métalliques gazeux
C22C 19/03 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel
78.
METHOD FOR PRODUCING TITANIUM MATERIAL FOR HOT ROLLING AND METHOD FOR PRODUCING HOT-ROLLED MATERIAL
Provided is a method for producing a titanium material for hot rolling with few surface defects in a hot-rolled titanium material, in particular, few surface defects resulting from treatment for applying plastic strain to a titanium material. The method comprises: a surface defect removing step that includes providing a plurality of inclined surfaces 20 that has an inclination angle θ of 45° or less and a height difference H of more than 0.1 mm in a plane 10 orthogonal to the longitudinal direction by treating the surface of the titanium material with at least one selected from the group consisting of cutting, grinding, and polishing; and a plastic strain applying step of applying plastic strain to the surface after the surface defect removing step.
B21B 1/02 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilés; Séquence des opérations dans les trains de laminoirs; Installation d'une usine de laminage, p.ex. groupement de cages; Succession des passes ou des alternances de passes pour laminer de grosses pièces, p.ex. des lingots, brames, billettes dont la section droite est sans importance
B21B 3/00 - Laminage des matériaux faits d'alliages particuliers dans la mesure où la nature de l'alliage exige ou permet l'emploi de méthodes ou de séquences particulières
B21B 45/06 - Dispositifs pour le traitement de surface des pièces spécialement combinés aux laminoirs, disposés dans les laminoirs, ou adaptés pour être utilisés avec les laminoirs pour décaper, p.ex. décalaminer des bandes de métal
B24B 27/033 - Autres machines ou dispositifs à meuler pour le meulage d'une surface à des fins de nettoyage, p.ex. pour décalaminer ou corriger par meulage des défauts de la surface
79.
OLEFIN POLYMER AND METHOD FOR PRODUCING OLEFIN POLYMER
Provided are olefin polymers having excellent lightness of weight and excellent moldability together with high rigidity and excellent flexural elasticity of the molded product. The olefin polymers are characterized by having: a propylene prepolymer in the presence of an olefin-polymerization catalyst that is a catalytic reaction product of a solid catalyst component for polymerization of olefins containing a titanium atom, a magnesium atom, a halogen atom, and an internal electron donor compound, at least one type of organic aluminum compound selected from general formula (I), and a first external electron donor compound; and a polypropylene portion comprising a polymer of propylene in the presence of the olefin-polymerization catalyst and a second external electron donor compound having higher adsorptivity to the surface of the solid olefin-polymerization catalyst than the first external electron donor compound.
C08F 4/658 - Prétraitement avec des métaux ou des composés métalliques avec des métaux ou des composés métalliques non prévus dans un seul des groupes
C08F 297/08 - Composés macromoléculaires obtenus en polymérisant successivement des systèmes différents de monomère utilisant un catalyseur de type ionique ou du type de coordination sans désactivation du polymère intermédiaire utilisant un catalyseur du type de coordination en polymérisant des mono-oléfines
One of the problems addressed by the present invention is to provide: a nickel powder which has a high compacted density, and a small volume reduction under high temperature treatment; and a production method therefor. The nickel powder contains nickel particles, and among the Ni-Ni bonds, Ni-OH bonds, and Ni-O bonds derived from nickel oxide on the surface of the nickel particles, the proportion of Ni-Ni bonds is at least 50%, and the thermal shrinkage rate is at most 15% at 1200°C. The proportion of Ni-Ni bonds and the thermal shrinkage rate are estimated by X-ray photoelectron spectroscopy and thermomechanical analysis, respectively.
B22F 1/00 - Poudres métalliques; Traitement des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 1/02 - Traitement particulier des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre, d'améliorer leurs propriétés; Poudres métalliques en soi, p.ex. mélanges de particules de compositions différentes comportant un enrobage des particules
B22F 9/22 - Fabrication des poudres métalliques ou de leurs suspensions; Appareils ou dispositifs spécialement adaptés à cet effet par un procédé chimique avec réduction de mélanges métalliques à partir de mélanges métalliques solides utilisant des réducteurs gazeux
Provided is a method with which it is possible to efficiently manufacture a metal powder having a narrow grain size distribution. This method includes an airflow classification step for performing airflow classification at a classification temperature of 35°C or less on a metal powder to which an alcohol is bonded. The classification pressure may be 0.2 MPa or higher, and the alcohol may have a steam pressure at 20°C of 18.7 hPa or higher. The alcohol-bonded metal powder may include an alcohol having a saturated adsorption amount of 40% or higher. The number-average particle diameter of the metal powder may be 200 nm or less.
B07B 7/00 - Séparation sélective des matériaux solides portés par des courants de gaz, ou dispersés dans ceux-ci
B22F 1/00 - Poudres métalliques; Traitement des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 1/02 - Traitement particulier des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre, d'améliorer leurs propriétés; Poudres métalliques en soi, p.ex. mélanges de particules de compositions différentes comportant un enrobage des particules
83.
POROUS TITANIUM-BASED SINTERED COMPACT, METHOD FOR MANUFACTURING SAME, AND ELECTRODE
A porous titanium-based sintered compact having a porosity of 45-65%, an average pore diameter of 5-15 µm, and a bending strength of 100 MPa or greater. Through the present invention, a porous titanium-based sintered compact can be provided which has high strength and has both good pore diameter and good porosity.
Provided are: a method for stably manufacturing metal powder without damaging or destroying manufacturing equipment; a metal chloride generator capable of performing the method; and a metal powder manufacturing system including the metal chloride generator. This metal chloride generator comprises: a chlorination furnace having a first heating furnace and a second heating furnace connected to the first heating furnace; a first heater for heating the first heating furnace; and a second heater for heating the second heating furnace. The first heating furnace has a metal-intake port for introducing a metal. The second heating furnace has a discharge port for discharging metal chloride gas species. The chlorination furnace has a first gas inlet for introducing a chlorine-containing gas, and the first gas inlet is surrounded by either the first heater or the second heater.
B22F 9/28 - Fabrication des poudres métalliques ou de leurs suspensions; Appareils ou dispositifs spécialement adaptés à cet effet par un procédé chimique avec réduction de mélanges métalliques à partir de mélanges métalliques gazeux
F27B 1/02 - Fours à cuve ou fours verticaux similaires ou à prédominance verticale à plusieurs cuves ou chambres, p.ex. à plusieurs étages
F27D 7/02 - Alimentation en vapeur d'eau, en gaz ou en liquides
85.
Method for recovering a minor metal and/or rare-earth metal
An object of the present invention is to recover a minor metal and/or rare-earth metal.
The present invention provides a method for recovering a minor metal and/or rare-earth metal from a post-chlorination residue in titanium smelting.
The minor metal and/or rare-earth metal is one or more metal selected from the group consisting of Sc, V, Nb, Zr, Y, La, Ce, Pr, and Nd.
Provided is a titanium-based porous body that has high porosity to ensure gas permeability and water permeability required for practical use as an electrode and a filter, has a large specific surface area to ensure conductivity and a sufficient reaction site with a reaction solution or a reaction gas, thereby ensuring excellent reaction efficiency, and includes only small amount of contaminants because uses no organic substances. A titanium-based porous body having a specific porosity and a high specific surface area is obtained by dry-filling, without using a binder or the like, a titanium powder having irregular particle shape and an average particle diameter of 10-50 μm to a thickness of 4.0 × 10-1 to 1.6 mm and sintering at 800°C-1100°C.
B22F 7/00 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage
B01D 39/20 - Autres substances filtrantes autoportantes en substance inorganique, p.ex. papier d'amiante ou substance filtrante métallique faite de fils métalliques non-tissés
B22F 1/00 - Poudres métalliques; Traitement des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
H01M 4/86 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes inertes ayant une activité catalytique, p.ex. pour piles à combustible
87.
TITANIUM SUBOXIDE AND PRODUCTION METHOD FOR TITANIUM SUBOXIDE
355, which has a crystal structure that undergoes phase transition between β phase and λ phase, and has a specific surface area in the range of 1.15-1.5 m2/g.
H01L 27/105 - Dispositifs consistant en une pluralité de composants semi-conducteurs ou d'autres composants à l'état solide formés dans ou sur un substrat commun comprenant des éléments de circuit passif intégrés avec au moins une barrière de potentiel ou une barrière de surface le substrat étant un corps semi-conducteur comprenant une pluralité de composants individuels dans une configuration répétitive comprenant des composants à effet de champ
H01L 45/00 - Dispositifs à l'état solide spécialement adaptés pour le redressement, l'amplification, la production d'oscillations ou la commutation, sans barrière de potentiel ni barrière de surface, p.ex. triodes diélectriques; Dispositifs à effet Ovshinsky; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de ces dispositifs ou de leurs parties constitutives
H01L 49/00 - Dispositifs à l'état solide non couverts par les groupes et et non couverts par une autre sous-classe; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de ces dispositifs ou de leurs parties constitutives
88.
POROUS TITANIUM-BASED SINTERED COMPACT, METHOD FOR MANUFACTURING SAME, AND ELECTRODE
A porous titanium-based sintered compact having a porosity of 50-75%, an average pore diameter of 23-45 µm, a specific surface area of 0.020-0.065 m2/g, and a flexural strength of 22 MPa. Through the present invention, a porous titanium-based sintered compact can be provided which has high porosity, a large specific surface area, and a large average pore diameter, and thereby has good air permeability or liquid permeability as well as high strength.
B22F 3/11 - Fabrication de pièces ou d'objets poreux
H01M 4/86 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes inertes ayant une activité catalytique, p.ex. pour piles à combustible
An alkali metal titanate comprising an alkali metal titanate phase and a composite oxide containing Al, Si and Na, the alkali metal titanate being characterized in that the percentage of the ratio of the number of moles of Na to the total number of moles of Na and an alkali metal X that is different from Na, i.e., ((Na/(Na+X))×100), is 50 to 100 mol% and the percentage of the ratio of the total content of Si and Al to the content of Ti, i.e., (((Si+Al)/Ti)×100), is 0.3 to 10% by mass. According to the present invention, an alkali metal titanate can be provided, in which the content of a compound having a shorter diameter d of 3 μm or less and the longer diameter L of 5 μm or more and also having an aspect ratio (L/d) of 3 or more is small.
Provided is a method for manufacturing alkoxy magnesium by intermittently adding metal magnesium a plurality of times to an alcohol in a reaction system, wherein: among the second and subsequent additions of metal magnesium to the reaction system, at least one addition that adds at least 5% by mass of the total metal magnesium to be added to the reaction system is performed after the generation speed S (liters per minute) of hydrogen produced by reaction with the alcohol resulting from the immediately previous addition of metal magnesium has increased to a maximum value and has then decreased to 45% or less of that maximum value. This method for manufacturing alkoxy magnesium makes it possible to effectively prepare alkoxy magnesium with high density, a decreased proportion of fine particles, and a narrow granularity distribution.
C07C 29/70 - Préparation d'alcoolates métalliques par transformation des groupes hydroxyle en groupes O-métal
C07C 31/30 - Alcoolates alcalins ou alcalino-terreux
C08F 4/654 - Prétraitement avec des métaux ou des composés métalliques avec le magnésium ou ses composés
C08F 10/00 - Homopolymères ou copolymères d'hydrocarbures aliphatiques non saturés contenant une seule liaison double carbone-carbone
91.
Solid catalyst component for polymerization of olefins, method for producing solid catalyst component for polymerization of olefins, catalyst for polymerization of olefins, method for producing polymer of olefin, method for producing polymer propylene copolymer and propylene copolymer
A solid catalyst component for polymerization of olefins is disclosed which can produce a polymer having low stickiness (tackiness) of polymer particles, excellent flowability, and favorable particle size distribution. The solid catalyst component for polymerization of olefins includes titanium, magnesium, a halogen atom and an internal electron donor, wherein the solid catalyst component has a multimodal pore volume distribution measured by a mercury intrusion method and has one or more peak tops in each of a pore radius range from 0.002 μm to 1 μm and a pore radius range from larger than 1 μm to 30 μm or smaller, and a ratio represented by pore volume V1 derived from pores in the radius range from 0.002 μm to 1 μm/pore volume V2 derived from pores in the radius range from larger than 1 μm to 30 μm or smaller is 0.30 to 0.65.
C08F 297/08 - Composés macromoléculaires obtenus en polymérisant successivement des systèmes différents de monomère utilisant un catalyseur de type ionique ou du type de coordination sans désactivation du polymère intermédiaire utilisant un catalyseur du type de coordination en polymérisant des mono-oléfines
C08F 4/654 - Prétraitement avec des métaux ou des composés métalliques avec le magnésium ou ses composés
A molten salt electrolysis tank comprising a bipolar electrode in which the tank efficiency is increased by preventing transient currents that flow from an anode to a cathode via through holes in a graphite bipolar electrode without contributing to electrolysis in a bipolar electrode section. Molten magnesium chloride is electrolyzed to manufacture metal magnesium using a molten salt electrolysis tank that comprises an electrolysis chamber and a metal recovery chamber and that has at least one bipolar electrode made of graphite with a pore volume per electrolysis cell unit in the electrolysis chamber of 0.12 mL/g or less. Further, sponge titanium is manufactured using this metal magnesium.
C25C 3/04 - Production, récupération ou affinage électrolytique de métaux par électrolyse de bains fondus du magnésium
93.
METHOD FOR PRODUCING SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, OLEFIN POLYMERIZATION CATALYST, METHOD FOR PRODUCING OLEFIN POLYMERIZATION CATALYST, AND METHOD FOR PRODUCING OLEFIN POLYMER
A method for producing a solid catalyst component includes bringing a magnesium compound, a titanium halide compound, and one or more internal electron donor compounds into contact with each other to effect a reaction; washing the resulting product with a first inert organic wash solvent that does not have reactivity with the titanium halide compound, and has a solubility parameter (SP) of 8.0 to 9.0;washing the resulting intermediate product one or more times in the absence of the titanium halide compound with a second inert organic wash solvent that includes a hydrocarbon compound and does not have a reactivity with the titanium halide compound, but has a solubility parameter (SP) of more than 9.0; and washing the resulting product in the absence of the titanium halide compound with a third inert organic wash solvent that does not have reactivity with the titanium halide compound, and has a solubility parameter (SP) of less than 8.0.
C08F 4/654 - Prétraitement avec des métaux ou des composés métalliques avec le magnésium ou ses composés
C08F 10/00 - Homopolymères ou copolymères d'hydrocarbures aliphatiques non saturés contenant une seule liaison double carbone-carbone
94.
Method for producing solid catalyst component for olefin polymerization, olefin polymerization catalyst, method for producing olefin polymerization catalyst, and method for producing olefin polymer
A method for producing a solid catalyst component includes bringing a magnesium compound, a titanium halide compound, and one or more internal electron donor compounds into contact with each other to effect a reaction; washing the resulting product with a first inert organic wash solvent that does not have reactivity with the titanium halide compound, and has a solubility parameter (SP) of 8.0 to 9.0; washing the resulting intermediate product in the absence of the titanium halide compound with a second inert organic wash solvent that includes a hydrocarbon compound and does not have reactivity with the titanium halide compound, but has a solubility parameter (SP) of more than 9.0; and washing the resulting product in the absence of the titanium halide compound with a third inert organic wash solvent that does not have reactivity with the titanium halide compound, and has a solubility parameter (SP) of less than 8.0.
SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION USE, METHOD FOR PRODUCING SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION USE, CATALYST FOR OLEFIN POLYMERIZATION USE, AND METHOD FOR PRODUCING OLEFIN POLYMER
Provided is a solid catalyst component for olefin polymerization use, which can have a melting point as low as lower than 160°C and can have highly-retained stereoregularity even when an α-olefin other than propylene, such as ethylene, does not coexist, and which makes it possible to produce a propylene homopolymer having an excellent melt tension under a high polymerization activity. A solid catalyst component for olefin polymerization use characterized by being produced by performing the following steps sequentially: a first step of bringing a magnesium compound, a titanium halogen compound and a first internal electron-donating compound into contact with one another to cause the reaction therebetween and then washing a resultant product; a second step of bringing a second internal electron-donating compound in an amount of 0.001 to 0.1 mole relative to 1 mole of magnesium atoms contained in the magnesium compound into contact with the product in the presence of a hydrocarbon solvent to cause the reaction therebetween and then removing the hydrocarbon solvent; a third step of washing a resultant product at least one time with an organic solvent containing a titanium halogen compound in an amount of more than 5 vol% and not more than 50 vol%; and a fourth step of washing a resultant product at least one time with an organic solvent containing no titanium halogen compound.
CATALYST FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING CATALYST FOR OLEFIN POLYMERIZATION, METHOD FOR PRODUCING OLEFIN POLYMER, AND PROPYLENE-α-OLEFIN COPOLYMER
Provided is a catalyst for olefin polymerization, which exhibits excellent polymerization activity sustainability during polymerization of α-olefins, and which enables suitable production of an α-olefin (co)polymer that has high tacticity and high MFR, while exhibiting good moldability. A catalyst for olefin polymerization, which is characterized by containing: a solid catalyst component that contains magnesium, titanium, a halogen and an internal electron-donating compound; an organic aluminum compound; and external electron-donating compounds that are composed of two kinds of alkoxysilane compounds respectively having specific structures represented by general formula (I) and general formula (II). This catalyst for olefin polymerization is also characterized by containing 51-99% by mole of the external electron-donating compound represented by general formula (I) and 1-49% by mole of the external electron-donating compound represented by general formula (II) relative to the total amount of the two external electron-donating compounds.
Provided is an alkali metal titanate which, when used as a constituent raw material for a frictional material, is excellent in terms of heat resistance and frictional force, and effectively inhibits abrasion of a counterpart material which is disposed so as to face the frictional material. This alkali metal titanate is characterized by including a sodium atom and a silicon atom, wherein the contained amount of sodium atoms is 2.0-8.5 mass%, the contained amount of silicon atoms is 0.2-2.5 mass%, and the ratio of the contained amount of alkali metals other than sodium atoms to the contained amount of sodium atoms is 0-6.
A production method for a titanium or titanium alloy green compact. The production method uses a cold isostatic press to produce a titanium or titanium alloy green compact that has a relative density of at least 80%. The production method uses a CIP mold 1 that: is 0.5–1.5 mm thick; has a mold thickness error range index α of 0–0.05, given by (maximum thickness-minimum thickness)/(maximum thickness+minimum thickness) when the thickness of the mold is measured at 10 arbitrary points in the longitudinal direction thereof; comprises a thermoplastic resin that has a compressive modulus of elasticity of 800–2,100 MPa and a Shore D hardness of 78–85; and has a powder supply port and a cavity for filling with powder.
B22F 1/00 - Poudres métalliques; Traitement des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 3/16 - Compactage et frittage par des opérations successives ou répétées
B29C 64/106 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p.ex. dépôt d’un cordon continu de matériau visqueux
B29C 64/379 - Manutention des objets en 3D obtenus, p.ex. à l’aide de robots
Provided is a production method for a titanium or titanium alloy green compact. The production method makes it possible to more economically produce a titanium or titanium alloy green compact that has a highly precise outside dimension and a complex shape. A production method that uses a cold isostatic press to produce a titanium or titanium alloy green compact that has a relative density of at least 80%. The production method uses a CIP mold 1 that: is 1.0–1.8 mm thick; comprises a thermoplastic resin that has a compressive modulus of elasticity of 5–100 MPa and a Shore D hardness of 30–65; and has a powder supply port and a cavity for filling with powder.
B29C 64/106 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p.ex. dépôt d’un cordon continu de matériau visqueux
B30B 11/00 - Presses spécialement adaptées à la fabrication d'objets à partir d'un matériau en grains ou à l'état plastique, p.ex. presses à briquettes ou presses à tablettes
B33Y 80/00 - Produits obtenus par fabrication additive
100.
DEVICE FOR ANALYZING CHLORINE CONCENTRATION, METHOD FOR ANALYZING CHLORINE CONCENTRATION, DEVICE FOR PRODUCING TITANIUM TETRACHLORIDE, AND METHOD FOR PRODUCING SPONGE TITANIUM
Provided is a device for analyzing chlorine concentration, comprising: a measurement cell 10 for housing chlorine-containing gas; a light-emitting unit 20 provided with a LED light source 21 for irradiating the chlorine-containing gas flowing through the measurement cell 10 with UV rays; a light-receiving unit 30 for receiving the UV rays transmitted through the measurement cell 10; and a calculation unit 50 for calculating the chlorine concentration in the chlorine-containing gas on the basis of an output signal from the light-receiving unit 30.
G01N 21/33 - Couleur; Propriétés spectrales, c. à d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p.ex. spectrométrie d'absorption atomique en utilisant la lumière ultraviolette
