88 results about "Molybdenum compounds" patented technology

The invention discloses a high-initial-efficiency fast-charge graphite composite material and a preparation method thereof, the composite material is of a core-shell structure, the core is graphite, and the shell is lithium sulfonate / lithium molybdate and an amorphous carbon coating layer thereof; the mass ratio of the shell is 5-15 wt% according to the mass ratio of the composite material being 100%. The preparation method comprises the following steps: adding a molybdenum compound into a solvent to prepare a solution, adding graphite oxide, an inorganic lithium salt and a carbon nanotube conductive solution, reacting for 2-12 hours at the temperature of 50-120 DEG C, filtering, carbonizing filter residues to obtain a lithium molybdate conductive agent coated graphite material, and depositing a lithium sulfonate derivative on the surface of the lithium molybdate conductive agent coated graphite material by an atomization method to obtain the lithium molybdate conductive agent coated graphite material. The electron and ion conductivity of the material can be improved, and the rate and the first efficiency of the material can be improved.

The application provides a preparation method and application of a molybdenum carbide loaded jute derived porous carbon material, and belongs to the technical field of electrochemical catalysis. The preparation method comprises the following steps: pretreating jute fibers to obtain jute powder; placing the jute powder in a molybdenum compound containing solution to obtain a mixture, the jute powder in the mixture adsorbing the molybdenum compound, and the mass ratio of the jute powder to the molybdenum compound in the molybdenum compound containing solution being any value in 1:(2.5-6.25); and carbonizing the jute powder adsorbing the molybdenum compound at 800-900 DEG C to obtain the molybdenum carbide loaded jute derived porous carbon material. The jute fiber derived porous carbon is used as a carrier, and the precursor is fully adsorbed and combined in the molybdenum compound containing solution. By adjusting the mass ratio and the carbonization temperature, the highly dispersed and stably loaded molybdenum carbide is realized, the structural stability and catalytic activity of the molybdenum carbide based catalyst are improved, and the catalytic efficiency of the hydrogen evolution reaction is further improved.

One aspect of the present invention relates to a prepreg comprising a thermosetting resin composition or a semi-cured product of the thermosetting resin composition, and a glass cloth, wherein the thermosetting resin composition contains molybdenum compound particles (A) and an epoxy resin (B), and the glass cloth contains, with respect to the total amount of components of the glass cloth, 45-55 mass% of SiO2, 20-30 mass% of Al2O3, 3.0 mass% or less of MgO, and 10-15 mass% of P2O5.

This invention relates to the technical field of organometallic compound production, and discloses a method and apparatus for synthesizing a homogeneous organic molybdenum-containing compound and its application. The method is implemented in a system containing a first reaction unit and a second reaction unit. The first reaction unit comprises at least two batch reactors connected in series. The batch reactors are cylindrical structures containing an inner cylinder and an outer cylinder. The inner cylinder and the outer cylinder are kept in communication so that the material in the inner cylinder can overflow into the outer cylinder. The method includes: introducing a molybdenum-containing material and an organic ligand material into reaction unit 1 for a first reaction to obtain gas phase I and liquid phase I; introducing the organic ligand material and the liquid phase I into the second reaction unit for a second reaction to obtain gas phase II and the homogeneous organic molybdenum-containing compound. The method provided by this invention features high reaction mass transfer efficiency and high conversion rate.

A resin composition contains: a curable resin (A); an acrylic-monomer copolymer (B) having a structure expressed by formulae (1) to (3) and having a weight average molecular weight equal to or greater than 10,000 and equal to or less than 900,000; an inorganic filler (C) where a molybdenum compound is present on at least a part of a surface thereof; and another inorganic filler (D) different from the inorganic filler (C). R1 is either a hydrogen atom or a methyl group. R2 includes at least one of a glycidyl group or an epoxidized alkyl group which is selected from the group consisting of a hydrogen atom, an alkyl group, the glycidyl group, and the epoxidized alkyl group. R3 is either a hydrogen atom or a methyl group. R4 is Ph (phenyl group), —COOCH2Ph, or —COO(CH2)2Ph.

Provided are alumina particles containing molybdenum and with their shape controlled. The alumina particles contain phosphorus and molybdenum. The alumina particles are preferably plate-like or card house-like. The phosphorus is preferably unevenly distributed in surface layers of the alumina particles. Also provided are a resin composition containing the alumina particles and a resin, a molded body made by molding the resin composition, and a method for producing the alumina particle including a step of firing the aluminum compound in the presence of a molybdenum compound and a phosphorous compound.

This invention relates to a lubricating oil composition comprising or resulting from the admixing of: a) 50 to 99 mass % of one or more base oils; b) 0.1 to 15 mass % of one or more functionalized olefin copolymer having an Mn of from 10,000 to 35,000 g / mol; c) 0.1 to 20 mass % of one or more detergents wherein the detergent comprises at least one calcium detergent having a TBN of more than 100 mg KOH / g; at least one calcium detergent having a TBN of 100 mg KOH / g or less; and at least one magnesium detergent, where the difference in the TBN's for the Ca detergents is at least 100 mg KOH / g; d) 0.01 to 40 mass % of one or more dispersants wherein the dispersants comprise at least one borated dispersant and at least one non borated dispersant; e) 0.01 to 20 of mass % sulfurized fatty acid ester; f) 0.01 to 5 mass % of one or more amine or phenol based antioxidants; and g) 0.001 to 15 mass % of molybdenum containing compound, where the lubricating oil composition has: 1) a sulfated ash content of 0.9 mass % or less; 2) a Mack T-11 final soot %@15 cSt of 6.7% or more; 3) a total base number of 5 to 30 mg KOH / g; 4) HTCBT of copper level increase of 20 ppm or less; 5) T-13 IR peak EOT of 40 abs / cm or less; and 6) Cam wear outlet of 45 μm or less.

Provided are a molybdenum compound. a method of producing the same. and a method of producing a molybdenum-containing thin film including the compound, and since the novel molybdenum compound shows excellent thermal stability and vapor pressure properties. a thin film using the same may show uniform and excellent electrical properties.

The present invention relates to the technical field of wood-plastic composites, and provides a PVC wood-plastic material having strong smoke suppression and flame retardancy, and a preparation method therefor. The PVC wood-plastic material comprises the following components in parts by weight: 70-100 parts of a PVC resin, 20-30 parts of wood powder, 20-30 parts of calcium carbonate, 15-20 parts of a smoke suppression material, 10-15 parts of a flame retardant, 1-6 parts of a foaming agent, 5-10 parts of a stabilizer, 1-2 parts of a coupling agent, 5-10 parts of a processing aid, and 1-4 parts of a lubricant, wherein the smoke suppression material comprises a molybdenum compound, ferrocene and an oxalate dihydrate in a mass ratio of 1:(0.5-1.5):(5-10). The preparation method comprises the end-capping modification of the wood powder and the preparation of the PVC wood-plastic material. The prepared PVC wood-plastic material has excellent flame retardancy and smoke suppression properties.

The present invention belongs to the field of chemical engineering. Disclosed are an acrylonitrile catalyst, and a preparation method therefor and the use thereof. The preparation method comprises: (1) mixing solutions of a molybdenum compound and a bismuth compound at an Mo / Bi molar ratio of 0.5-1.5 to prepare bismuth molybdate containing an α-phase and / or a γ-phase; (2) synthesizing a pentasil-type molecular sieve having an Si / V molar ratio of 50-150 from a silicon source, an organic amine, and a vanadium compound; (3) mixing a silica sol with a molybdenum compound solution at an Si / Mo molar ratio of 0.5-1, then sequentially adding solutions of a nickel, a tungsten, and a thallium compound, and phosphoric acid, the molecular sieve, and the bismuth molybdate thereto, such that the ratio of the weight percentages of Mo, Bi, Ni, W, Tl, V, and P in the catalyst, on the basis of oxides, is (37-38):(4-6):(3-5):(2-3):(0.2-0.3):(0.1-0.3):(0.7-0.8); (4) adding SiO2 powder thereto, such that SiO2 accounts for 45 wt% to 55 wt% of the catalyst; and (5) pulping and homogenizing the resulting mixture, then spray molding same at an outlet temperature of 150-180°C, and calcining same in an air atmosphere at 550-680°C for 1-6 h. The catalyst has a good activity, selectivity and stability, and is wear-resistant.

This invention belongs to the field of synthetic rubber preparation technology, specifically relating to low Mooney viscosity atactic 1,2-polybutadiene, its preparation method, and its applications. The preparation method of the low Mooney viscosity atactic 1,2-polybutadiene includes the following steps: under a protective gas atmosphere, adding a phosphate ester compound to a molybdenum compound, aging and cooling, then adding toluene to obtain a main catalyst; placing a trialkylaluminum alkane solution in an ice-water bath, adding aryloxy ligands dropwise to the container, and reacting in an ice-water bath to obtain a co-catalyst; dissolving butadiene in an alkane solution, adding the co-catalyst, main catalyst, activator, and molecular weight regulator respectively, and carrying out a polymerization reaction to obtain low Mooney viscosity atactic 1,2-polybutadiene. This invention provides a method for preparing low Mooney viscosity atactic 1,2-polybutadiene with high conversion rate; the obtained 1,2-PB has a low Mooney value and a high 1,2-structure content; it can be applied to rubber additives and damping materials to improve their performance.

The invention discloses a method for synthesizing benzofuran and indole compounds through molybdenum-catalyzed intermolecular deoxygenation cycloaddition reaction, which comprises the following steps: by taking an o-hydroxyphenylacetylene compound or an o-aminophenylacetylene compound as a substrate A and a 1, 3-dicarbonyl compound as a substrate B, reacting under the action of a molybdenum catalyst, a ligand and an additive, thereby obtaining the benzofuran and indole compounds. And carrying out an intermolecular deoxygenation cycloaddition reaction in an organic solvent to generate a corresponding benzofuran or indole compound. The invention provides a method for synthesizing benzofuran and indole compounds through molybdenum-catalyzed intermolecular deoxygenation cycloaddition reaction, the method takes a molybdenum compound as a catalyst, the reaction condition is mild, the atom economy is high, the functional group compatibility is good, and various substituted benzofuran and indole compounds can be efficiently constructed; and a new path is provided for synthesis of the important heterocyclic compounds.

The instant disclosure generally relates to lubricating compositions having an oil of lubricating viscosity, a mixture of dispersants including a high TBN dispersant having a number average molecular weight of 2000 or higher, a low TBN dispersant having a number average molecular weight of 2000 or higher, a magnesium detergent and a molybdenum compound. The lubricating compositions of the invention contain less than 120 ppm boron and are substantially free of low molecular weight dispersants.

The present invention relates to a molybdenum compound, a method for preparing same, a composition comprising same for depositing a molybdenum film-containing thin film, and a method for manufacturing a molybdenum-containing thin film by using same. The employment of the molybdenum compound of the present invention having excellent thermal stability, high volatility, and improved vapor pressure can manufacture a molybdenum-containing thin film with a uniform thickness at an improved deposition rate.

A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that comprises one or more molybdenum-containing compounds and one or more calcium detergents is disclosed. This disclosure also relates to a method for reducing or preventing low speed pre-ignition (LSPI) in the course of at least one oil change interval.

The present invention provides a supported iron-molybdenum-rare earth element catalyst, its preparation method, and application. This invention relates to the technical field of catalysts and their preparation, and is intended to address the technical issues of low raw material conversion and tetrahydrothiophene selectivity in the catalytic synthesis of tetrahydrothiophene using current catalysts. The catalyst comprises a composite of ferric sulfate, a molybdenum-containing compound, and a rare earth element-containing compound as active components. The active components are then mixed with an acid solution in a water bath, and the support and impregnation solution are then stirred and impregnated in equal volumes. The resulting sample is dried and calcined to produce the catalyst, which is then used in the tetrahydrothiophene synthesis reaction. The catalyst and synthesis process are simple and environmentally friendly, with low synthesis costs. The catalyst has a maximum conversion rate of 99.5% and a tetrahydrothiophene selectivity of 99.7%.

The invention discloses a molybdenum oxide sputtering target material and a preparation method and application thereof. Comprising the following raw materials in parts by weight: 60-90 parts of a molybdenum-containing compound; 10-30 parts by weight of a metal oxide M1; 5-20 parts by weight of metal M2; the molybdenum-containing compound is selected from at least one of MoO2, MoO3, Mo4O11 or MoN; the metal oxide M1 is selected from at least one of TaO2, Ta2O5, NbO and Nb2O5; and the metal M2 is selected from at least one of Cu, Zn, Al, Mg, Ca or Ba. According to the method, the molybdenum-containing compound, the metal oxide M1 and the metal M2 are used as raw materials, sintering at normal pressure and low temperature is achieved by introducing the metal M2, and the molybdenum oxide target material with high density and good conductivity can still be obtained.

To provide a resin composition excellent in drilling processability while maintaining good heat resistance and conductor adhesiveness, a prepreg, a laminate, a printed wiring board and a semiconductor package using the resin composition, and a method for producing a printed wiring board.SOLUTION: There are provided a resin composition containing (A) a thermosetting resin, (B) a molybdenum compound, and (C) one or more selected from the group consisting of fullerene and fullerene derivatives, a prepreg, a laminate, a printed wiring board, and a semiconductor package using the resin composition, and a method for manufacturing the printed wiring board.SELECTED DRAWING: None

The present invention discloses a sulfur-containing amide type organic molybdenum compound and its preparation method and application, which belongs to the technical field of lubricating additives. The structural formula is as follows: #imgabs0# wherein R1 is a C2-C3 straight chain or branched alkyl group, R2 is a C8-C 26 Straight-chain or branched alkyl; a sulfur-amide-type organic molybdenum compound prepared by the present invention can be used as a lubricating grease additive, has good tribological properties, and can significantly improve the friction-reducing and anti-wear properties of lubricating grease.

A driveline lubricating composition for electric or hybrid-electric motor systems including a phosphorus antiwear additive and a multi-functional oil-soluble organolmolybdenum friction modifier to provide friction modification and low copper leaching.

This application provides a composite cathode material, its preparation method, a solid-state cathode sheet, and an all-solid-state battery. The preparation method includes: sequentially mixing a sulfur source and a molybdenum source and subjecting them to a first heat treatment to obtain a sulfur-molybdenum compound; dispersing the sulfur-molybdenum compound, cyclooctasulfide, and a lithium-containing electrolyte to obtain an intermediate product; and subjecting excess titanium source, excess sulfur powder, and the first product to a second heat treatment, so that the titanium source and sulfur powder react and deposit in a gaseous state on the surface of the intermediate product to obtain the composite cathode material. This application employs a phase structure design of an all-electrochemical active material and, by optimizing the electronic and ionic conductivity of the cathode material and controlling the uniformity and stability of its microstructure, achieves a significant improvement in the energy density and cycle stability of the all-solid-state battery.

A composite according to the present invention contains a molybdenum compound, a first metal (PM), and a second metal (M). The first metal (PM) is platinum or a combination of platinum and palladium, and the second metal (M) is one or more selected from the group consisting of metals.

The present disclosure addresses the problem of providing a method for producing molybdenum trioxide in which the Sb content is reduced. A method for producing molybdenum trioxide comprises a step for mixing a starting material comprising a molybdenum compound or a hydrate thereof with chlorine gas, hydrogen chloride, or a chloride, and a step for heating the resulting mixture at a temperature of 70 DEG C or higher. Furthermore, a method for producing molybdenum trioxide comprises a step for mixing a raw material comprising molybdenum trioxide, ammonium molybdate, or a hydrate thereof with ammonium chloride, and a step for heating the resulting mixture at a temperature of 180 DEG C or higher.

To provide a method for producing molybdenum trioxide powder that can reduce material costs and decrease the environmental burden and disposal costs associated with the disposal of by-products generated by calcination. [Solution] The manufacturing method comprises: a first calcination step S11 in which a first raw material mixture containing a molybdenum oxide precursor compound and metal compound particles other than the molybdenum compound is placed in a sheath and calcined; a first cooling step S12 to generate molybdenum trioxide powder; a first crushing step S13 to crush the residue containing metal oxides derived from the metal compound particles remaining in the sheath to form first crushed particles; a second calcination step S21 in which a second raw material mixture containing a molybdenum oxide precursor compound and the first crushed particles is placed in a sheath and calcined; a second cooling step S22 to generate molybdenum trioxide powder; and a second crushing step S23 to crush the residue containing metal oxides derived from the first crushed particles remaining in the sheath to form second crushed particles.

One aspect of the present invention relates to a prepreg comprising a thermosetting resin composition or a semi-cured product of the thermosetting resin composition, and a glass cloth, wherein the thermosetting resin composition contains molybdenum compound particles (A) and a maleimide compound (B), and the glass cloth contains, with respect to the total amount of components of the glass cloth, 45-55 mass% of SiO2, 20-30 mass% of Al2O3, 3.0 mass% or less of MgO, and 10-15 mass% of P2O5.

Manufacturing process for tungsten-doped cobalt tetroxide, comprising the following steps: S1: Dissolving a tungsten-containing compound and a molybdenum-containing compound in an alkaline liquid to obtain a mixed solution; S2: simultaneous addition of the mixed solution, a cobalt salt solution and a complexing agent to an alkaline solution to react until a reaction material reaches a target particle size; followed by aging and carrying out a solid-liquid separation (SLS) to obtain a precipitation, wherein the alkaline solution comprises the mixed solution and ammonia water; S3: Roasting the precipitate in an oxygenated atmosphere to obtain a roasted material; and S4: Soaking the roasted material in a sodium sulfide solution, adjusting the pH of the solution to 7.2 to 8.5, and performing SLS to obtain the tungsten-doped cobalt tetroxide.

Product containing, on its surface and / or in its core, an additive selected from: - phosphorus compounds other than glasses and glass-ceramics, - tungsten compounds other than glasses and glass-ceramics, molybdenum compounds other than glasses and glass-ceramics, - iron in metallic form, aluminum in metallic form, silicon in metallic form, and mixtures thereof, silicon carbide, - boron carbide, silicon nitride, boron nitride, - glasses containing phosphorus and / or iron and / or tungsten and / or molybdenum, - glass-ceramics containing phosphorus and / or iron and / or tungsten and / or molybdenum, - and mixtures thereof, and having, excluding the additive, the following chemical analysis, in mass percentages based on oxides: - Cr2O3 - 2%, and - Cr2O3 + Al2O3 + CaO + ZrO2 + MgO + Fe2O3 + SiO2 + TiO2 ≥ 90%, and - Cr2O3 + Al2O3 + MgO ≥ 60%.

The invention provides a preparation method and application of a jute-derived porous carbon material loaded with molybdenum carbide, and belongs to the technical field of electrochemical catalysis. The preparation method comprises the following steps: pretreating jute fibers to obtain jute powder; jute powder is placed in the molybdenum-containing compound solution, a mixture is obtained, the jute powder in the mixture adsorbs a molybdenum-containing compound, and the mass ratio of the jute powder to the molybdenum-containing compound in the molybdenum-containing compound solution is any one of 1: (2.5-6.25); and carrying out carbonization treatment on the jute powder adsorbed with the molybdenum-containing compound at 800-900 DEG C to obtain the jute derived porous carbon material loaded with molybdenum carbide. The jute fiber-derived porous carbon is adopted as a carrier, full adsorption and combination of a precursor are achieved in a molybdenum-containing compound solution, high dispersion and stable loading of molybdenum carbide are achieved by regulating and controlling the mass ratio and the carbonization temperature, and the structural stability and catalytic activity of the molybdenum carbide-based catalyst are improved; the catalytic efficiency of the hydrogen evolution reaction is further improved.

A driveline lubricating composition for electric or hybrid-electric motor systems including a phosphorus antiwear additive and a multi-functional oil-soluble organomolybdenum friction modifier to provide friction modification and low copper leaching.

Described herein are IC devices that include molybdenum or a molybdenum compound, such as compounds including oxygen or nitrogen. The molybdenum may be deposited at a high concentration, e.g., at least 50% atomic density. Also described herein are mid-valent molybdenum precursors for depositing molybdenum, and reactions for producing the mid-valent molybdenum precursors. For example, the molybdenum precursors may be generated by reacting a higher-valent molybdenum compound with an amidinate or a formamidinate.