Provided are zirconium oxide particles having a circularity of 0.10-0.50 and a convexity of 0.30-0.90. A dispersion for polishing and a powder for polishing according to the present invention can be used in chemical-mechanical polishing (CMP) of a SiC wafer and the like, and can be used in a semiconductor manufacturing process and the like.
This zirconia powder contains 2.5 to 3.5 mol % of yttria; has a specific surface area of 5 to 20 m2/g; and has crystal phases that include a monoclinic crystal phase percentage of 20 to 40% and a tetragonal crystal phase percentage of 60 to 80%. When the zirconia powder is molded under a mold pressure of 0.8 t/cm2 and then sintered under a condition of 2 hours at 1450° C. to obtain a sintered body, the sintered body has crystal phases that include a monoclinic crystal phase percentage of 1 to 3%, a tetragonal crystal phase percentage of 77 to 94%, and a cubic crystal phase percentage of 5 to 20%.
C04B 35/48 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de zirconium ou d'hafnium ou de zirconates ou d'hafnates
A porous zirconia-based composite oxide satisfying all of the following (1) to (3) in a range of 2 nm or more and 200 nm or less in a pore distribution based on a BJH method, and having a pore volume of 0.01 cm3/g or more and 0.25 cm3/g or less in a range of more than 100 nm and 1000 nm or less in a pore distribution based on a mercury intrusion method, (1) a dV/d log D peak is in a range of 2 nm or more and 100 nm or less; (2) a maximum value of the dV/d log D peak is 1.5 or more and 5.0 or less; (3) a pore volume in a range of 2 nm or more and 100 nm or less is 0.30 cm3/g or more and 1.50 cm3/g or less.
This cerium oxide stabilized zirconium composition is characterized by having a composition that is represented by formula [1], and is also characterized by having a specific surface area of 5 m2/g to 20 m221-x-y2x23yy In formula [1], x and y are numbers that satisfy 0.10 ≤ x ≤ 0.40 and 0.02 ≤ y ≤ 0.12, and M represents one or more elements that are selected from the group consisting of scandium, yttrium, and ytterbium.
5050 is within the range of not less than 5 nm but less than 50 nm and a proportion X obtained by the following procedure is not less than 40%. A transmission electron microscope image in which 20 or more isolated particles are included is obtained. The following operations 1) through 5) are carried out with respect to each isolated particle in the transmission electron microscope image. 1) A circumscribed circle and an inscribed circle which has the same center as the circumscribed circle are obtained. 2) The ratio [(diameter of circumscribed circle)/(diameter of inscribed circle)] between the diameter of the obtained circumscribed circle and the diameter of the obtained inscribed circle is obtained. 3) The ratio [(diameter of circumscribed circle)/(diameter of inscribed circle)] is obtained for all the isolated particles in the transmission electron microscope image. 4) The number of isolated particles A in which the ratio [(diameter of circumscribed circle)/(diameter of inscribed circle)] is not less than 2.0 is counted. 5) The proportion X of the isolated particles A to all the isolated particles is obtained.
This zirconia sol has a crystallite diameter A on a monoclinic (-111) plane of 5.0-50.0 nm, a crystallite diameter B on a monoclinic (111) plane of 5.0-50.0 nm, and a crystallite diameter ratio X represented by formula 1 of 0.5-0.95. Formula 1: [crystallite diameter ratio X]=[crystallite diameter A on the monoclinic (-111) plane]/[crystallite diameter B on the monoclinic (111) plane]; the crystallite diameter A and the crystallite diameter B are values calculated from powder X-ray diffraction measurement and analysis of said measurement.
This dispersion for polishing contains a polishing aid and a zirconium oxide which includes a monoclinic phase and in which the ratio ((-111) plane/(111) plane) for crystallite sizes between the monoclinic (-111) plane and the monoclinic (111) plane is 0.50-0.95. This dispersion for polishing and a powder for polishing can be used for chemical mechanical polishing (CMP) of a SiC wafer and the like, and can be utilized for semiconductor manufacturing processes and the like.
Provided is a zirconia sintered body comprising stabilized zirconia containing zirconia and a stabilizer, wherein: the stabilizer contains CaO; the CaO content in the stabilized zirconia is 4.5-12 mol% in terms of oxides; the average crystal grain size is not more than 90 nm; the monoclinic phase ratio is not more than 2%; the tetragonal phase ratio is 20-97%; the cubic phase ratio is 3-80%; and the relative sintered density is not less than 99%.
Disclosed herein is a zirconia powder containing stabilized zirconia containing zirconia and a stabilizer, wherein the stabilizer contains a first stabilizer and a second stabilizer, the first stabilizer is CaO, the second stabilizer is at least one selected from the group consisting of Y2O3, Yb2O3, Er2O3, CeO2, Nd2O3, La2O3, and Tb2O3, a total amount of the stabilizer in the stabilized zirconia is 2.5 mol % or more and 6.5 mol % or less in terms of oxide, and a ratio of [amount (mol %) of CaO]/[total amount (mol %) of stabilizer] is 50% or more and 98% or less.
Disclosed herein is a zirconia sintered body containing stabilized zirconia containing zirconia and a stabilizer, wherein the stabilizer contains an oxide of yttrium and an oxide of M, the M is at least one selected from the group consisting of Ca, Ba, Sr, Dy, Tb, Gd, Eu, Sm, Nd, Pr, and La, a content of the stabilizer in the stabilized zirconia is 1.7 mol % or more and 2.6 mol % or less in terms of oxide, a molar ratio between the oxide of M and the oxide of yttrium [(oxide of M)/(oxide of yttrium)] is 0.05 or more and 1.5 or less, and a crystal grain diameter is 0.20 μm or less.
A zirconia-based powder material, wherein [(Vp10-100)/(Vp100-6000)] satisfies the following Formula [1], provided that in a pore diameter distribution determined by a mercury intrusion method, a pore volume in a range of a pore diameter of X nm or more and less than Y nm is taken as VpX-Y:
A zirconia-based powder material, wherein [(Vp10-100)/(Vp100-6000)] satisfies the following Formula [1], provided that in a pore diameter distribution determined by a mercury intrusion method, a pore volume in a range of a pore diameter of X nm or more and less than Y nm is taken as VpX-Y:
0.
4
≤
[
(
Vp
1
0
-
1
0
0
)
/
(
Vp
100
-
6
0
0
0
)
]
≤
1.
Formula
[
1
]
A zirconium hydroxide powder, wherein in a pore diameter distribution determined by a mercury intrusion method, a pore diameter D in a range of 10 nm or more and 6000 nm or less is 50 nm or more and 1000 nm or less.
A zirconium hydroxide powder having, in a pore distribution based on a BJH method, a peak top in a pore diameter region of 1 nm or more and 5 nm or less, and having a pore volume in the pore diameter region of 1 nm or more and 5 nm or less of 0.15 cm3/g or more.
B01J 20/06 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant des oxydes ou des hydroxydes des métaux non prévus dans le groupe
B01J 20/28 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation caractérisées par leur forme ou leurs propriétés physiques
B01J 20/30 - Procédés de préparation, de régénération ou de réactivation
5050 of 50 nm to 250 nm and a proportion X, obtained by the procedure detailed below, of at least 40%. (Procedure) A transmission electron microscope image that includes at least 20 isolated particles is obtained. The following operations (1) through (5) are performed on each of the isolated particles in the transmission electron microscope image. (1) A circumscribed circle and an inscribed circle having the same center as the circumscribed circle are obtained. (2) The ratio [(diameter of circumscribed circle) / (diameter of inscribed circle)] of the diameter of the obtained circumscribed circle and the diameter of the obtained inscribed circle is determined. (3) The ratio ([(diameter of circumscribed circle) / (diameter of inscribed circle)]) is determined for all of the isolated particles in the transmission electron microscope image. (4) The number of isolated particles A for which the ratio the ratio ([(diameter of circumscribed circle) / (diameter of inscribed circle)]) is at least 2.0 is counted. (5) The proportion X of the number of isolated particles A to the total number of isolated particles is determined.
Provided is a silver-containing zirconia sintered body comprising silver particles, zirconia, and a stabilizing agent, wherein the silver particles have an average particle diameter of 0.5 μm or less, stabilized zirconia has an average crystal grain diameter of 0.35 μm or less, and the relative sintered density is 98% or more.
A61C 8/00 - Moyens destinés à être fixés à l'os de la mâchoire pour consolider les dents naturelles ou pour y assujettir des prothèses dentairesImplants dentairesOutils pour l'implantation
A61K 6/818 - Préparations pour la fabrication de dents artificielles, l’obturation ou le recouvrage des dents comprenant des céramiques comprenant de l’oxyde de zirconium
This alumina-based composite oxide contains alumina and ceria and/or zirconia and satisfies all of requirements (1) to (4) in a total of 50 points of analysis in energy dispersion type X-Ray spectroscopy. Requirements: (1) among 50 measurement points, there is at least one measurement point at which the content of alumina is 50-99 mass% and the content of oxides other than alumina is 1-50 mass%; (2) among 50 measurement points, there is at least one measurement point at which the content of alumina is not less than 1 mass% and less than 50 mass% and the content of oxides other than alumina is more than 50 mass% and not more than 99 mass%; (3) the difference between the maximum alumina content and the minimum alumina content among the 50 measurement points is 20-95; and (4) the difference between the maximum and minimum values for the content of oxides other than alumina among the 50 measurement points is 20-95.
Provided is a zirconium composite oxide containing 5 mass % to 50 mass % yttrium oxide and cerium oxide, the specific surface area after 10 hours of heating at 1250° C. being 3.0 m2/g to 20.0 m2/g.
The ceramic sintered body of the present disclosure contains zirconia as a main component and includes sintered body crystals and a grain boundary part located among the sintered body crystals. One of the sintered body crystals contains cerium. A content of the cerium is less than 8.0% by mass. The grain boundary part contains silicon dioxide.
B26D 1/00 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupantAppareils ou machines à cet effetÉléments coupants à cet effet
Provided is a stabilized zirconia sintered body which comprises a fluorescent agent containing zirconium and titanium, and shows fluorescence when irradiated with light including light of a wavelength of 250 nm to 380 nm.
C04B 35/49 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de zirconium ou d'hafnium ou de zirconates ou d'hafnates contenant également de l'oxyde de titane ou des titanates
C09K 11/02 - Emploi de substances particulières comme liants, revêtements de particules ou milieux de suspension
C09K 11/67 - Substances luminescentes, p. ex. électroluminescentes, chimiluminescentes contenant des substances inorganiques luminescentes contenant des métaux réfractaires
22.
POROUS ZIRCONIA-BASED COMPOSITE OXIDE AND METHOD FOR MANUFACTURING POROUS ZIRCONIA-BASED COMPOSITE OXIDE
Provided is a porous zirconia-based composite oxide characterized by satisfying all of (1) to (3) below within a pore distribution range, based on the BJH method, of 2 nm or more and 200 nm or less, and having a pore volume of 0.01 cm3/g or more and 0.25 cm3/g or less within a pore distribution range, based on the mercury intrusion method, of more than 100 nm and 1000 nm or less. (1) A dV/dlogD peak is within the range of 2 nm or more and 100 nm or less. (2) The dV/dlogD peak maximum value is 1.5 or more and 5.0 or less. (3) The pore volume within the range of 2 nm or more and 100 nm or less is 0.30 cm3/g or more and 1.50 cm3/g or less.
Provided is a flux-cored ring of a tubular brazing material enclosing flux that is formed into a ring by abutting both end portions in an extending direction of the tubular brazing material against each other. The flux-cored ring includes: in one of the both end portions of the brazing material, a pair of protruded portions protruding toward the other of the both end portions of the brazing material and opposed to each other in a direction orthogonal to the extending direction of the brazing material; and in the other of the both end portions of the brazing material, a pair of recessed portions fitting onto the protruded portions and opposed to each other in the direction orthogonal to the extending direction of the brazing material.
B23K 35/02 - Baguettes, électrodes, matériaux ou environnements utilisés pour le brasage, le soudage ou le découpage caractérisés par des propriétés mécaniques, p. ex. par la forme
B23K 35/40 - Fabrication de fils ou de barres pour le brasage ou le soudage
24.
ZIRCONIA POWDER, SINTERED ZIRCONIA OBJECT, AND METHOD FOR PRODUCING SINTERED ZIRCONIA OBJECT
23232322323233, the sum of the stabilizers contained in the stabilized zirconia is 2.5-6.5 mol% in terms of oxide amount, and the [CaO amount (mol%)]/[sum of stabilizers (mol%)] proportion is 50-98%.
A zirconia sintered body containing stabilized zirconia containing zirconia and a stabilizer, in which the stabilizer contains an oxide of yttrium and an oxide of M, M is one or more selected from the group consisting of Ca, Ba, Sr, Dy, Tb, Gd, Eu, Sm, Nd, Pr, and La, the content of stabilizer in the stabilized zirconia is from 1.7 mol% to 2.6 mol% in terms of oxide, the molar ratio [(oxide of M)/(oxide of yttrium)] of the oxide of M and oxide of yttrium is from 0.05 to 1.5, and the crystal grain size is 0.20 μm or less.
Provided is a zirconium hydroxide powder that has, in a pore distribution based on the BJH method, a peak top in the pore diameter region from 1 nm to 5 nm and a pore volume of 0.15 cm3/g or greater in the pore diameter region from 1 nm to 5 nm.
B01J 20/02 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique
B01J 20/30 - Procédés de préparation, de régénération ou de réactivation
A zirconia-based porous body including an oxide of a rare earth element, in which when a pore volume in a pore distribution range of 30 nm or more and 200 nm or less after heating at 1150° C. for 12 hours under atmospheric pressure is defined as pore volume A and a pore volume in a pore distribution range of 30 nm or more and 200 nm or less before heating is defined as pore volume B, the pore volume A is 0.10 ml/g or more and 0.40 ml/g or less, and a pore volume retention ratio X in a pore distribution range of 30 nm or more and 200 nm or less represented by a formula [[(pore volume A)/(pore volume B)]×100] is 25% or more and 95% or less.
B01J 21/06 - Silicium, titane, zirconium ou hafniumLeurs oxydes ou hydroxydes
B01J 23/10 - Catalyseurs contenant des métaux, oxydes ou hydroxydes métalliques non prévus dans le groupe des terres rares
B01J 35/10 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides caractérisés par leurs propriétés de surface ou leur porosité
To provide an unprecedented novel zirconium phosphate. A zirconium phosphate represented by Formula [1]: Zr(Ha(NH4)b(PO4))(HPO4).nH2O, wherein Ia/Ib is 1.0 or less where the maximum peak intensity in the range of 2θ=5 to 13° measured by the X-ray diffraction method is denoted by Ia and the maximum peak intensity in the range of 2θ=26 to 28° is denoted by Ib, and in Formula [1], a, b, and c are numbers satisfying a+b=1 and 0≤b<1, and n is a number satisfying 0≤n≤2.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
39 - Services de transport, emballage et entreposage; organisation de voyages
Produits et services
Zirconium compounds, namely, zirconium chlorides, zirconium oxides, zirconium silicate, zirconium oxychloride, zirconium hydroxide, zirconium salts, zirconium nitrate, zirconium sulfate, zirconium sol; rare earth double salts; rare earth metal salts; rare earth chemical compounds; metallic oxides; oxides; catalysts, namely, catalysts for automobile exhaust gas, catalysts for chemical, petroleum and petrochemical industries, catalysts for environmental chemistry; chemical adsorbents for removing impurities from chemical products; chemical adsorbents for extracting rare earth metal; zirconium chloride solutions; industrial chemicals; chemical compositions for the manufacture of alloys; chemical compositions for the manufacture of ceramics; ceramic compositions for sintering in the form of granules and powders used in manufacturing; ceramic powders used in manufacturing; silicon; rare earth metals; rare earths; yttrium; scandium; cerium; lanthanum; silicon oxides; silicates; aluminum oxides; cerium oxides; sodium metasilicates; sodium metasilicate solutions; zirconium compounds, namely, zircon sand Porterage; truck hauling; delivery of goods; storage of goods; warehouse storage; warehousing information; transport of goods; supply chain logistics and reverse logistics services, namely, cargo unloading, and storage, transportation and delivery of goods for others by air, rail, ship or truck; transport brokerage; transport reservation; transportation information
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
39 - Services de transport, emballage et entreposage; organisation de voyages
Produits et services
Zirconium compounds, namely, zirconium chlorides, zirconium oxides, zirconium silicate, zirconium oxychloride, zirconium hydroxide, zirconium salts, zirconium nitrate, zirconium sulfate, zirconium sol; rare earth double salts; rare earth metal salts; rare earth chemical compounds; metallic oxides; oxides; catalysts, namely, catalysts for automobile exhaust gas, catalysts for chemical, petroleum and petrochemical industries, catalysts for environmental chemistry; chemical adsorbents for removing impurities from chemical products; chemical adsorbents for extracting rare earth metal; zirconium chloride solutions; industrial chemicals; chemical compositions for the manufacture of alloys; chemical compositions for the manufacture of ceramics; ceramic compositions for sintering in the form of granules and powders used in manufacturing; ceramic powders used in manufacturing; silicon; rare earth metals; rare earths; yttrium; scandium; cerium; lanthanum; silicon oxides; silicates; aluminum oxides; cerium oxides; sodium metasilicates; sodium metasilicate solutions; zirconium compounds, namely, zircon sand Porterage; truck hauling; delivery of goods; storage of goods; warehouse storage; warehousing information; transport of goods; supply chain logistics and reverse logistics services, namely, cargo unloading, and storage, transportation and delivery of goods for others by air, rail, ship or truck; transport brokerage; transport reservation; transportation information
39.
ZIRCONIUM COMPOSITE OXIDE AND METHOD FOR PRODUCING ZIRCONIUM COMPOSITE OXIDE
Provided is a zirconium composite oxide containing 5 mass% to 50 mass% yttrium oxide and cerium oxide, the specific surface area after 10 hours of heating at 1250°C being 3.0 m2/g to 20.0 m2/g.
A ceramic powder material containing a garnet-type compound containing Li, wherein the ceramic powder material has a pore volume of 0.4 mL/g or more and 1.0 mL/g or less.
C04B 35/50 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de composés de terres rares
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p. ex. leur aptitude à prendre ou à durcir
43.
ZIRCONIA POWDER, ZIRCONIA SINTERED BODY, AND METHOD FOR PRODUCING ZIRCONIA SINTERED BODY
A zirconia powder containing a stabilizer, and having a specific surface area of 20 m2/g or more and 60 m2/g or less and a particle diameter D50 of 0.1 μm or more and 0.7 μm or less, in which in a range of 10 nm or more and 200 nm or less in a pore distribution based on a mercury intrusion method, a peak top diameter in a pore volume distribution is 20 nm or more and 85 nm or less, a pore volume is 0.2 ml/g or more and less than 0.5 ml/g, and a pore distribution width is 40 nm or more and 105 nm or less.
C04B 35/48 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de zirconium ou d'hafnium ou de zirconates ou d'hafnates
44.
ZIRCONIA POWDER, ZIRCONIA SINTERED BODY, AND METHOD FOR PRODUCING ZIRCONIA SINTERED BODY
A zirconia powder in which when a stabilizer is Y2O3, a content thereof is 1.4 mol % or more and less than 2.0 mol %; when the stabilizer is Er2O3, a content thereof is 1.4 mol % or more and 1.8 mol % or less; when the stabilizer is Yb2O3, a content thereof is 1.4 mol % or more and 1.8 mol % or less; and when the stabilizer is CaO, a content thereof is 3.5 mol % or more and 4.5 mol % or less; and in a range of 10 nm or more and 200 nm or less in a pore distribution, a peak top diameter of a pore volume distribution is 20 nm or more and 120 nm or less, a pore volume is 0.2 ml/g or more and less than 0.5 ml/g, and a pore distribution width is 30 nm or more and 170 nm or less.
12, where M1 is Al or Ga, M2 is Nb or Ta, the first garnet-type compound satisfies 0≤(3x+y)≤0.5, and the second garnet-type compound satisfies 0.5<(3x+y)≤1.5.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
This ceramic sintered body has zirconia as the main component thereof, and comprises a plurality of sintered body crystals and a grain boundary part between the plurality of sintered body crystals. The sintered body crystals contain cerium in an end region that is close to the grain boundary part, and have a Ce content of less than 8.0 mass%. The grain boundary part contains silicon dioxide.
A zirconium phosphate represented by M1Zr2(M2PO4)a(PO4)b.nH2O (M1 and M2 are monovalent cations, and may be the same or different from each other; a and b are numbers satisfying 0.3
Provided is a flux-cored ring (1) obtained by forming a tubular brazing material (2) containing flux (3) into a ring shape such that two end sections in the extending direction thereof abut against each other, wherein: one end section of the two end sections of the brazing material (2) has a pair of protrusions (31) that protrude toward the other end section of the two end sections of the brazing material (2) and that face each other in a direction orthogonal to the extending direction of the brazing material (2); and the other end section of the two end sections of the brazing material (2) has a pair of recesses (32) that are engaged with the pair of protrusions (31) and that face each other in a direction orthogonal to the extending direction of the brazing material (2).
B23K 35/14 - Baguettes, électrodes, matériaux ou environnements utilisés pour le brasage, le soudage ou le découpage caractérisés par des propriétés mécaniques, p. ex. par la forme non spécialement conçus pour servir d'électrodes pour le brasage
B23K 35/28 - Emploi de matériaux spécifiés pour le soudage ou le brasage dont le principal constituant fond à moins de 950 C
B23K 35/363 - Emploi de compositions spécifiées de flux pour le brasage ou le soudage
B23K 35/40 - Fabrication de fils ou de barres pour le brasage ou le soudage
55.
ZIRCONIA-BASED COMPOSITE OXIDE AND METHOD FOR MANUFACTURING ZIRCONIA-BASED COMPOSITE OXIDE
The purpose of the present invention is to provide a zirconia-based composite oxide for making it possible to form a catalyst layer which, despite having a reduced thickness, has a sufficient quantity of catalyst to function in exhaust gas treatment on a wall of a honeycomb structure. The purpose of the present invention is also to provide a method for manufacturing said zirconia-based composite oxide. The present invention relates to a zirconia-based composite oxide characterized in that the tap bulk density thereof is 0.75 g/mL or greater, and the specific surface area thereof after heat treatment for three hours at 1000° C. is 45 m2/g or greater.
C04B 35/48 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de zirconium ou d'hafnium ou de zirconates ou d'hafnates
A ceramic sintered body of the present disclosure contains zirconia as a main component, includes a plurality of sintered body crystals and a grain boundary part located between the plurality of sintered body crystals, contains at least CeO2, and has a content of Ce higher in the grain boundary than in a central region of the sintered body crystal.
A zirconia-based porous body containing an oxide of a rare earth element, wherein if pore volume A is the pore volume of pores in the 30-200 nm range of the pore size distribution after heating to a temperature of 1150°C for 12 hours at atmospheric pressure and pore volume B is the pore volume of pores in the 30-200 nm range of the pore size distribution before heating, pore volume A is 0.10-0.40 ml/g, and the pore volume maintenance factor X for pores in the 30-200 nm range of the pore size distribution, as expressed by the formula [[(pore volume A) / (pore volume B)] × 100], is 25-95%.
B01J 23/10 - Catalyseurs contenant des métaux, oxydes ou hydroxydes métalliques non prévus dans le groupe des terres rares
B01J 35/10 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides caractérisés par leurs propriétés de surface ou leur porosité
B01J 37/10 - Traitement thermique en présence d'eau, p. ex. de vapeur d'eau
C04B 35/48 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de zirconium ou d'hafnium ou de zirconates ou d'hafnates
58.
ZIRCONIA POWDER, ZIRCONIA SINTERED BODY, AND PRODUCTION METHOD FOR ZIRCONIA SINTERED BODY
2323233, the same is contained at 1.4-1.8 mol%; if the stabilizing agent is CaO, the same is contained at 3.5-4.5 mol%; in a 10-200 nm range in a pore distribution, the peak top diameter of the pore volume distribution is 20-120 nm; the pore volume is at least 0.2 ml/g and less than 0.5 ml/g; and the pore distribution width is 30-170 nm.
A zirconia powder which contains a stabilizer, and has a specific surface area of from 20 m2/g to 60 m25050 of from 0.1 μm to 0.7 μm, a peak top diameter of the pore volume distribution of from 20 nm to 85 nm within the range of from 10 nm to 200 nm in the pore distribution as determined by mercury intrusion porosimetry, a pore volume of not less than 0.2 ml/g but less than 0.5 ml/g, and a pore distribution width of from 40 nm to 105 nm.
The purpose of the present invention is to provide a zirconia-based porous body which can be pulverized in a relatively short time and in which performance deterioration caused by pulverization is suppressed. The present invention pertains to a zirconia-based porous body in which the total pore volume is at least 1.0 ml/g, the pore volume of pores having a diameter of 20-100 nm (exclusive of 100) is at most 0.3 ml/g, and the pore volume of pores having a diameter of 100-1000 nm is at least 0.5 ml/g.
C04B 35/50 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de composés de terres rares
7-(3x+y)x32-yy1212, where M1 is Al or Ga and M2 is Nb or Ta; the first garnet-type compound satisfies 0≤(3x+y)≤0.5; and the second garnet-type compound satisfies 0.5<(3x+y)≤1.5.
C04B 35/50 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de composés de terres rares
2 and then sintered under a condition of 2 hours at 1450° C. to obtain a sintered body, the sintered body has crystal phases that include a monoclinic crystal phase percentage of 1 to 3%, a tetragonal crystal phase percentage of 77 to 94%, and a cubic crystal phase percentage of 5 to 20%.
C04B 35/48 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de zirconium ou d'hafnium ou de zirconates ou d'hafnates
12 (where x satisfies 0≤x≤0.3) and in which a main phase of a crystal phase undergoes phase transition from a tetragonal phase to a cubic phase in the process of raising a temperature from 25° C. to 1050° C. and the main phase is the cubic phase even after the temperature is lowered to 25° C.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01B 1/08 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisésEmploi de matériaux spécifiés comme conducteurs composés principalement d'autres substances non métalliques oxydes
67.
STABILIZED ZIRCONIA SINTERED BODY AND ZIRCONIA POWDER
Provided is a stabilized zirconia sintered body which comprises a fluorescent agent containing zirconium and titanium, and shows fluorescence when irradiated with light including light of a wavelength of 250 nm to 380 nm.
A polymer composite according to the present invention is characterized by comprising: a polymer containing a structural unit derived from an unsaturated monomer; and metal components dispersed in a matrix composed of the polymer, wherein the metal components are at least one selected from a zirconium component, an yttrium component, a cerium component, and a neodymium component. The metal components are preferably metal oxides or metal ions. The polymer composite according to the present invention can be produced by a method which sequentially comprises: a mixing step for mixing sol containing water and a metal oxide or an aqueous solution containing metal ions, an unsaturated monomer, and a polymerization initiator; and a polymerization step for polymerizing the unsaturated monomer.
C08L 51/10 - Compositions contenant des polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères greffés sur des substances inorganiques
C08F 2/44 - Polymérisation en présence d'additifs, p. ex. plastifiants, matières colorantes, charges
This invention provides a ceramic powder capable of forming a sintered body having a high density and high ionic conductivity even at a sintering temperature lower than the temperature conventionally used, and provides a battery containing a sintered body of the ceramic powder as a constituent element. The above problem is solved by a ceramic powder containing a garnet-type oxide and compound 1, wherein the garnet-type oxide contains zirconium, lithium, and lanthanum, and compound 1 contains at least one metal element selected from the group consisting of lanthanum, lithium, zirconium, gallium, scandium, yttrium, cerium, aluminum, calcium, magnesium, barium, strontium, niobium, and tantalum.
C04B 35/48 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de zirconium ou d'hafnium ou de zirconates ou d'hafnates
C04B 35/50 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de composés de terres rares
H01B 1/08 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisésEmploi de matériaux spécifiés comme conducteurs composés principalement d'autres substances non métalliques oxydes
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
Produits et services
Industrial chemicals; coating agents, namely, ammonium zirconium carbonate solution and zirconyl nitrate solution; zirconium oxide; zirconium compounds, namely, zirconium chlorides, ammonium zirconium carbonate and zirconyl nitrate; metallic oxides; metallic compounds, namely, metal chlorides and zirconium chlorides; metal-containing aqueous solution for general industrial use and for general industrial manufacturing; zirconium-containing aqueous solution for general industrial use and for general industrial manufacturing
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
Produits et services
Industrial chemicals; metallic oxides; metallic chemical compounds, for use in manufacture of ceramic structures; metallic chemical compounds, for use in manufacture of ceramic sheets; metallic chemical compounds, for use in manufacture of prosthesis, dental parts and dental implants; metallic chemical compounds, for use in manufacture of medical parts; metallic chemical compounds, for use in manufacture of blades as knife, razor, and punching; metallic chemical compounds, for use in manufacture of optical parts; metallic chemical compounds, for use in manufacture of electronic components; metallic chemical compounds, for use in manufacture of decorate parts for general industrial use and for general industrial manufacturing; metallic chemical compounds, for use in manufacture of aesthetic parts for general industrial use and for general industrial manufacturing; metallic chemical compounds, for use in manufacture of friction materials for general industrial use and for general industrial manufacturing; metallic chemical compounds, for use in manufacture of abrasives for general industrial use and for general industrial manufacturing; metallic chemical compounds, for use in manufacture of sliding parts for general industrial use and for general industrial manufacturing; metallic chemical compounds, for use in milling media balls; metallic chemical compounds, for use in manufacture of ceramic coats; metallic chemical compounds, for use in manufacture of refractory materials for general industrial use and for general industrial manufacturing; metallic chemical compounds, for use in manufacture of heat-resistant parts for general industrial use and for general industrial manufacturing; metallic chemical compounds, for use in manufacture of conductive components for general industrial use and for general industrial manufacturing; zirconium compounds, namely, zirconium chlorides, zirconium oxides, zirconium silicate, zirconium oxychloride, zirconium hydroxide, zirconium salts, zirconium nitrate, zirconium sulfate, zirconium sol; chemical compositions for the manufacture of ceramics; ceramic chemical compounds, for use in manufacture of ceramic structures; ceramic chemical compounds, for use in manufacture of ceramic sheets; ceramic chemical compounds, for use in manufacture of prosthesis, dental parts and dental implants; ceramic chemical compounds, for use in manufacture of medical parts; ceramic chemical compounds, for use in manufacture of blades as knife, razor, and punching; ceramic chemical compounds, for use in manufacture of optical parts; ceramic chemical compounds, for use in manufacture of electronic components; ceramic chemical compounds, for use in manufacture of decorate parts for general industrial use and for general industrial manufacturing; ceramic chemical compounds, for use in manufacture of aesthetic parts for general industrial use and for general industrial manufacturing; ceramic chemical compounds, for use in manufacture of friction materials for general industrial use and for general industrial manufacturing; ceramic chemical compounds, for use in manufacture of abrasives for general industrial use and for general industrial manufacturing; ceramic chemical compounds, for use in manufacture of sliding parts for general industrial use and for general industrial manufacturing; ceramic chemical compounds, for use in milling media balls; ceramic chemical compounds, for use in manufacture of ceramic coats; ceramic chemical compounds, for use in manufacture of refractory materials for general industrial use and for general industrial manufacturing; ceramic chemical compounds, for use in manufacture of heat-resistant parts for general industrial use and for general industrial manufacturing; ceramic chemical compounds, for use in manufacture of conductive components for general industrial use and for general industrial manufacturing; ceramic compositions for sintering in the form of granules and powders used in manufacturing; ceramic powders used in manufacturing; ceramic sintered body obtained by sintering ceramic powders for general industrial use and for general industrial manufacturing
76.
ZIRCONIA-BASED COMPOSITE OXIDE AND METHOD FOR MANUFACTURING ZIRCONIA-BASED COMPOSITE OXIDE
The purpose of the present invention is to provide a zirconia-based composite oxide for making it possible to form a catalyst layer which, despite having a reduced thickness, has a sufficient quantity of catalyst to function in exhaust gas treatment on a wall of a honeycomb structure. The purpose of the present invention is also to provide a method for manufacturing said zirconia-based composite oxide. The present invention relates to a zirconia-based composite oxide characterized in that the tap bulk density thereof is 0.75 g/mL or greater, and the specific surface area thereof after heat treatment for three hours at 1000°C is 45 m2/g or greater.
C04B 35/50 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de composés de terres rares
77.
CERAMIC POWDER MATERIAL, METHOD FOR PRODUCING CERAMIC POWDER MATERIAL, AND BATTERY
7-3xx321212 (where x satisfies 0 ≤ x ≤ 0.3), wherein a main phase of a crystal phase undergoes a phase transition from a tetragonal phase to a cubic phase in the process of raising the temperature from 25°C to 1050°C, and the main phase retains the cubic phase even after the temperature is lowered to 25°C.
H01B 1/06 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisésEmploi de matériaux spécifiés comme conducteurs composés principalement d'autres substances non métalliques
H01B 1/08 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisésEmploi de matériaux spécifiés comme conducteurs composés principalement d'autres substances non métalliques oxydes
C04B 35/50 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de composés de terres rares
H01B 13/00 - Appareils ou procédés spécialement adaptés à la fabrication de conducteurs ou câbles
78.
Non-aqueous electrolyte secondary battery and positive electrode active material
A non-aqueous electrolyte secondary battery disclosed herein includes a positive electrode containing a positive electrode active material, a negative electrode, and a non-aqueous electrolyte, and the positive electrode active material includes a positive electrode active material particle containing a lithium transition metal compound, and a coating portion coating at least a part of a surface of the positive electrode active material particle. The coating portion contains a lithium ionic conductor containing lithium, a phosphoric acid group, and at least one element of lanthanum (La) and cerium (Ce).
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
79.
Non-aqueous electrolyte secondary battery and positive electrode active material
A non aqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material, a negative electrode, and a non aqueous electrolyte, and the positive electrode active material includes a positive electrode active material particle containing a lithium transition metal compound, and a coating portion coating at least a part of a surface of the positive electrode active material particle. The coating portion contains a lithium ionic conductor containing lithium, a phosphoric acid group, and yttrium. The lithium ionic conductor includes a region A in which a ratio of yttrium is relatively rich and a region B in which the ratio of yttrium is relatively poor.
H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
80.
Alumina-based composite oxide and production method for same
These surface-modified metal compound particles have metal compound particles the surfaces of which are modified by: at least one first carboxylic acid selected from the group consisting of a methacrylic acid, an acrylic acid, and a propionic acid; and at least one second carboxylic acid selected from the group consisting of a C6-C16 fatty acid and a C7-C32 monovalent carboxylic acid having at least one benzene ring, wherein at least a portion of the first carboxylic acid is a carboxylic acid type in which a hydrogen atom of the carboxy group is not dissociated as an ion.
This zirconia powder contains 2.5 to 3.5 mol% of yttria; has a specific surface area of 5 to 20 m2/g; and has crystal phases that include a monoclinic crystal phase percentage of 20 to 40% and a tetragonal crystal phase percentage of 60 to 80%. When the zirconia powder is molded under a mold pressure of 0.8 t/cm2 and then sintered under a condition of 2 hours at 1450°C to obtain a sintered body, the sintered body has crystal phases that include a monoclinic crystal phase percentage of 1 to 3%, a tetragonal crystal phase percentage of 77 to 94%, and a cubic crystal phase percentage of 5 to 20%.
The purpose of the present invention is to provide a zirconia-based porous body which can be pulverized in a relatively short time and in which performance deterioration caused by pulverization is suppressed. The present invention pertains to a zirconia-based porous body in which the total pore volume is at least 1.0 ml/g, the pore volume of pores having a diameter of 20-100 nm (exclusive of 100) is at most 0.3 ml/g, and the pore volume of pores having a diameter of 100-1000 nm is at least 0.5 ml/g
The present invention provides a zirconium-containing alcohol solution including zirconium oxyacetate, a C1-3 carboxylic acid or a C1-3 carboxylate, water, and an alcohol solvent, the zirconium-containing alcohol solution being such that the transmittance for light of a wavelength of 380 nm after heating for 50 hours at a temperature of 40°C is 90-100%.
C09D 7/63 - Adjuvants non macromoléculaires organiques
87.
Scandia-stabilized zirconia powder for solid oxide fuel cells, method for producing same, scandia-stabilized zirconia sintered body for solid oxide fuel cells, method for producing said scandia-stabilized zirconia sintered body for solid oxide fuel cells, and solid oxide fuel cell
a. In formula (1), 0.09≤x≤0.11 and 0.002≤a<0.01 are satisfied. The scandia-stabilized zirconia powder has a rhombohedral phase crystal structure. The sintered body of the scandia-stabilized zirconia powder has a cubic phase crystal structure. The sintered body of the scandia-stabilized zirconia powder has a grain-boundary resistivity of 12 Ω·cm or less at 550° C.
H01M 8/1253 - Éléments à combustible avec électrolytes solides fonctionnant à haute température, p. ex. avec un électrolyte en ZrO2 stabilisé caractérisés par le procédé de fabrication ou par le matériau de l’électrolyte l'électrolyte étant constitué d’oxydes l'électrolyte contenant de l’oxyde de zirconium
C04B 35/48 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de zirconium ou d'hafnium ou de zirconates ou d'hafnates
H01M 8/1086 - Post-traitement de la membrane autrement que par polymérisation
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
Produits et services
Industrial chemicals; metallic oxides; metallic chemical compounds for use in manufacture of electrodes; zirconium compounds, namely, zirconium chlorides, zirconium oxides, zirconium silicate, zirconium oxychloride, zirconium hydroxide, zirconium salts, zirconium nitrate, zirconium sulfate, zirconium sol; alcohol for industrial purposes; methyl alcohol (methanol) for industrial purposes; ethyl alcohol; propanol for industrial use; alcohol solutions for industrial purpose, said solutions containing zirconium; alcohol solutions for industrial purpose, said solutions containing metals; chemical coating agents for use in manufacture of electrodes
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
Produits et services
Industrial chemicals; Metallic oxides; Metallic chemical compounds, for use in manufacture of ceramic structures; Metallic chemical compounds, for use in manufacture of ceramic sheets; Metallic chemical compounds, for use in manufacture of prosthesis, dental parts and dental implants; Metallic chemical compounds, for use in manufacture of medical parts; Metallic chemical compounds, for use in manufacture of blades as knife, razor, and punching; Metallic chemical compounds, for use in manufacture of optical parts; Metallic chemical compounds, for use in manufacture of electronic components; Metallic chemical compounds, for use in manufacture of decorate parts for general industrial use and for general industrial manufacturing; Metallic chemical compounds, for use in manufacture of aesthetic parts for general industrial use and for general industrial manufacturing; Metallic chemical compounds, for use in manufacture of friction materials for general industrial use and for general industrial manufacturing; Metallic chemical compounds, for use in manufacture of abrasives for general industrial use and for general industrial manufacturing; Metallic chemical compounds, for use in manufacture of sliding parts for general industrial use and for general industrial manufacturing; Metallic chemical compounds, for use in milling media balls; Metallic chemical compounds, for use in manufacture of ceramic coats; Metallic chemical compounds, for use in manufacture of refractory materials for general industrial use and for general industrial manufacturing; Metallic chemical compounds, for use in manufacture of heat-resistant parts for general industrial use and for general industrial manufacturing; Metallic chemical compounds, for use in manufacture of conductive components for general industrial use and for general industrial manufacturing; Zirconium compounds, namely, zirconium chlorides, zirconium oxides, zirconium silicate, zirconium oxychloride, zirconium hydroxide, zirconium salts, zirconium nitrate, zirconium sulfate, zirconium sol; Chemical compositions for the manufacture of ceramics; Ceramic chemical compounds, for use in manufacture of ceramic structures; Ceramic chemical compounds, for use in manufacture of ceramic sheets; Ceramic chemical compounds, for use in manufacture of prosthesis, dental parts and dental implants; Ceramic chemical compounds, for use in manufacture of medical parts; Ceramic chemical compounds, for use in manufacture of blades as knife, razor, and punching; Ceramic chemical compounds, for use in manufacture of optical parts; Ceramic chemical compounds, for use in manufacture of electronic components; Ceramic chemical compounds, for use in manufacture of decorate parts for general industrial use and for general industrial manufacturing; Ceramic chemical compounds, for use in manufacture of aesthetic parts for general industrial use and for general industrial manufacturing; Ceramic chemical compounds, for use in manufacture of friction materials for general industrial use and for general industrial manufacturing; Ceramic chemical compounds, for use in manufacture of abrasives for general industrial use and for general industrial manufacturing; Ceramic chemical compounds, for use in manufacture of sliding parts for general industrial use and for general industrial manufacturing; Ceramic chemical compounds, for use in milling media balls; Ceramic chemical compounds, for use in manufacture of ceramic coats; Ceramic chemical compounds, for use in manufacture of refractory materials for general industrial use and for general industrial manufacturing; Ceramic chemical compounds, for use in manufacture of heat-resistant parts for general industrial use and for general industrial manufacturing; Ceramic chemical compounds, for use in manufacture of conductive components for general industrial use and for general industrial manufacturing; Ceramic compositions for sintering in the form of granules and powders used in manufacturing; Ceramic powders used in manufacturing
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
Produits et services
Industrial chemicals; Oxides; Metallic oxides; Metallic chemical compounds, for use in manufacture of secondary batteries; Rare earth chemical compounds, for use in manufacture of secondary batteries; Lithium chemical compounds; Lithium oxides; Lanthanum chemical compounds; Lanthanum oxides; Zirconium compounds, namely, zirconium chlorides, zirconium oxides, zirconium silicate, zirconium oxychloride, zirconium hydroxide, zirconium salts, zirconium nitrate, zirconium sulfate, zirconium sol; Battery electrolytes; Ceramic powders for use in manufacturing secondary batteries; Ceramic powders used in manufacturing
93.
Surface-modified metal compound particles, and method for producing surface-modified metal compound particles
Provided are surface-modified metal compound particles comprising metal compound particles which are surface-modified with one or more types of carboxylic acid selected from a methacrylic acid, an acrylic acid, and a propionic acid, and a 12-hydroxystearic acid, wherein a portion or all of the one or more types of carboxylic acid selected from a methacrylic acid, an acrylic acid, and a propionic acid is a carboxylic acid (protonated) type.
The present invention provides: a ceramic powder which is capable of forming a sintered body that has high density and high ion conductivity even if the sintering temperature is lower than ever before; and a battery which is provided with a sintered body of this ceramic powder as a constituent element. The above-described problem is solved by a ceramic powder which contains a garnet type oxide and a first compound, and which is configured such that: the garnet type oxide contains zirconium, lithium and lanthanum; and the first compound contains at least one metal element that is selected from the group consisting of lanthanum, lithium, zirconium, gallium, scandium, yttrium, cerium, aluminum, calcium, magnesium, barium, strontium, niobium and tantalum.
C04B 35/50 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de composés de terres rares
H01B 1/06 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisésEmploi de matériaux spécifiés comme conducteurs composés principalement d'autres substances non métalliques
H01B 1/08 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisésEmploi de matériaux spécifiés comme conducteurs composés principalement d'autres substances non métalliques oxydes
Provided are a zirconia sol having a transmittance of 45% or more at a wavelength of 400 nm, having a transmittance of 75% or more at a wavelength of 550 nm, and containing zirconia particles in an amount of 20 wt % or more, and a method for manufacturing the zirconia sol.
B01J 13/00 - Chimie des colloïdes, p. ex. production de substances colloïdales ou de leurs solutions, non prévue ailleursFabrication de microcapsules ou de microbilles
96.
SURFACE-MODIFIED METAL COMPOUND PARTICLES, AND METHOD FOR PRODUCING SURFACE-MODIFIED METAL COMPOUND PARTICLES
These surface-modified metal compound particles have metal compound particles the surfaces of which are modified by: at least one first carboxylic acid selected from the group consisting of a methacrylic acid, an acrylic acid, and a propionic acid; and at least one second carboxylic acid selected from the group consisting of a C6-C16 fatty acid and a C7-C32 monovalent carboxylic acid having at least one benzene ring, wherein at least a portion of the first carboxylic acid is a carboxylic acid type in which a hydrogen atom of the carboxy group is not dissociated as an ion.
The present invention provides: an alumina-based composite oxide having a large initial specific surface area and a small initial average pore diameter, as well as exceptional heat resistance of the specific surface area and pore volume; and a method for producing the alumina-based composite oxide. The present invention specifically provides an alumina-based composite oxide, wherein the alumina-based composite oxide is characterized in that; the initial crystallite diameter is 10 nm or less and the initial specific surface area is 80 m2/mL or higher; the specific surface area after firing for three hours at 1200°C in air is 10 m210011 mL/g.
B01J 35/10 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides caractérisés par leurs propriétés de surface ou leur porosité
SCANDIA-STABILIZED ZIRCONIA POWDER FOR SOLID OXIDE FUEL CELLS, METHOD FOR PRODUCING SAME, SCANDIA-STABILIZED ZIRCONIA SINTERED BODY FOR SOLID OXIDE FUEL CELLS, METHOD FOR PRODUCING SAID SCANDIA-STABILIZED ZIRCONIA SINTERED BODY FOR SOLID OXIDE FUEL CELLS, AND SOLID OXIDE FUEL CELL
21-x-a23x23aa. In formula (1), 0.09 ≤ x ≤ 0.11 and 0.002 ≤ a < 0.01 are satisfied. The crystal structure of this scandia-stabilized zirconia powder for solid oxide fuel cells is in a rhombohedral phase. The crystal structure of a sintered body of this scandia-stabilized zirconia powder is in a cubic phase. The sintered body of this scandia-stabilized zirconia powder has a grain boundary resistivity of 12 Ω·cm or less at 550°C.
H01M 8/02 - Éléments à combustibleLeur fabrication Détails
C04B 35/48 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de zirconium ou d'hafnium ou de zirconates ou d'hafnates
H01M 8/12 - Éléments à combustible avec électrolytes solides fonctionnant à haute température, p. ex. avec un électrolyte en ZrO2 stabilisé
C04B 35/653 - Procédés comportant une étape de fusion
C04B 35/58 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de borures, nitrures ou siliciures
C22C 1/10 - Alliages contenant des composants non métalliques
C22C 29/14 - Alliages à base de carbures, oxydes, borures, nitrures ou siliciures, p. ex. cermets, ou d'autres composés métalliques, p. ex. oxynitrures, sulfures à base de borures
100.
Zirconia fine powder and production method therefor
