12 results about "Copper oxide" patented technology

The invention discloses two types of catalysts for synthesizing methyl chlorosilane and a preparation method thereof. The two types of catalysts are prepared by taking metal copper powder as a raw material through the steps of oxidizing to remove surface impurities, deeply oxidizing to change substance structures, partially reducing and regulating product constituents, the catalyst I comprises the following constituents in percentage by weight: 15-30% of metal copper, 20-30% of cuprous oxide and 40-65% of copper oxide, and is used during normal reaction after a synthesis reaction is started, and the catalyst II comprises the following constituents in percentage by weight: 50-65% of metal copper, 25-35% of cuprous oxide and 5-20% of copper oxide, and is used during driving starting reaction in the early stage of synthesis reaction. The method disclosed by the invention has the advantages of low energy consumption, high efficiency, environmental friendliness, effectively reduced production cost, and more stable and complete reduction reaction; meanwhile, the prepared copper catalysts have the characteristics of high catalytic activity and selectivity, strong raw material adaptability and good overall indicators.

The invention belongs to the field of a lithium ion battery material, and discloses a titanium dioxide-copper oxide nano compound and a preparation method and an application thereof. The preparation method comprises the steps of adding nanometer TiO<2> and Cu(Ac)<2>.H<2>O into a solvent, and performing ultrasonic treatment, stirring and mixing uniformly to obtain a turbid liquid; next, dropwise adding stronger ammonia water to adjust PH to be alkali, heating to 85-95 DEG C and reacting for 10-15h, and performing natural cooling after the reaction is completed; and performing washing and dryingon the obtained solid product, and next, performing calcining in the air atmosphere at a temperature of 300-450 DEG C for 3-8h to obtain the titanium dioxide-copper oxide nano compound. The preparation method is simple and easy to implement, and energy-saving and environment friendly; and the obtained TiO<2>-CuO nanometer compound, when used as the negative electrode material of the lithium ion battery, is excellent in electrochemical performance.

The invention discloses chemical pump inner cavity insulated oil paint, and relates to the technical field of pump valve preparation. The chemical pump inner cavity insulated oil paint is prepared from the following raw materials in parts by weight: 50-60 parts of chlorinated rubber resin, 25-35 parts of butadiene styrene rubber resin, 30-40 parts of fluorocarbon resin, 6-8 parts of pentaerythritol, 3-5 parts of tall oil acid, 6-8 parts of castor oil, 10-20 parts of polyphenylene sulfide, 5-7 parts of polymerized rosin, 3-5 parts of sepiolite powder, 5-7 parts of wollastonite powder, 6-8 parts of epoxy linseed oil, 3-5 parts of sodium pyrophosphate, 6-8 parts of copper oxide powder, 3-5 parts of nanometer titania, 6-8 parts of kaolin, 5-7 parts of glass fiber, 6-8 parts of rare earth chloride, 20-30 parts of modified asphalt and 120-130 parts of water. The chemical pump inner cavity insulated oil paint has the beneficial effects that the prepared oil paint has excellent insulating property, the insulating property between a chemical pump body and a fluid can be effectively protected, normal operation of a chemical pump is guaranteed, and the service life of the chemical pump is prolonged.

The invention provides a copper oxide/carboxymethyl cellulose gel modified composite film, and a making method and a use thereof. The making method comprises the following steps: washing and drying a copper net; cutting the dried copper net, carrying out high temperature calcination on the cut copper net in a tubular furnace, naturally cooling the calcined copper net to room temperature, and taking out the naturally cooled copper net; impregnating the calcined copper net in a carboxymethylcellulose sodium solution for a period of time, taking out the impregnated copper net, and impregnating the copper net in a Fe<3+> solution; and taking out the copper net a period of time later, placing the impregnating copper net in an oven, drying the copper net at a certain temperature for a period of time, continuously repeating the above impregnating operation to make the copper oxide/carboxymethyl cellulose gel modified composite film, and preserving the copper oxide/carboxymethyl cellulose gel modified composite film in water. The CuO-CMC modified composite film is produced through the method for high temperature calcination of the copper net and coating of the surface with an organic layer. The making method has the advantages of simplicity in operation, obvious separation effect and high practical values.

The invention provides a method for preparing mesoporous zirconium phosphate supported nano copper oxide antibacterial polyester fibers. The method is characterized by including the specific steps that firstly, a copper oxide @ mesoporous zirconium phosphate gel precursor is prepared; secondly, the copper oxide @ mesoporous zirconium phosphate gel precursor and polyester are mixed and granulated at the temperature of 180-270 DEG C, dried and then spun into the mesoporous zirconium phosphate supported nano copper oxide antibacterial polyester fibers through a melt spinning method, or the copper oxide @ mesoporous zirconium phosphate gel precursor, terephthalic acid (PTA), dihydric alcohol, stabilizer and a catalyst are added into a polyester reactor according to a proportion, and a nano copper oxide @ mesoporous zirconium phosphate/polyester antibacterial composite material is prepared by means of in situ polymerization through a polymerization reaction thermal one-step method, dried and spun into the mesoporous zirconium phosphate supported nano copper oxide antibacterial polyester fibers through the melt spinning method. The method is simple in operation, efficient, low in cost, lasting in effect and wide in application prospect.

The invention discloses an amide hydrodeoxygenation method, which is characterized in that under the catalytic action of a multi-component metal oxide catalyst, amide and hydrogen are subjected to a hydrodeoxygenation reaction to generate a corresponding amine compound, and the multi-component metal oxide catalyst is prepared by a coprecipitation method. The active components comprise copper oxide, zinc oxide, molybdenum trioxide, magnesium oxide and aluminum oxide in a mass percentage ratio of (25-40): (10-20): (1-5): (5-15): (20-50). The method has the advantages of simple reaction process, high reaction conversion rate, high selectivity and simple catalyst preparation process, and can be used for industrial production.

The invention discloses a ceramic steel material. The ceramic steel material is characterized by comprising the following raw materials in parts by weight: 80-100 parts of kaolin, 25-30 parts of ironoxide, 2-3 parts of copper oxide, 10-15 parts of aluminum oxide, 10-12 parts of nano iron powder, 20-30 parts of nano zinc oxide, 22-30 parts of quartz sand, 2-5 parts of anorthite, 10-15 parts of talc powder, 12-15 parts of mica powder, 3-5 parts of zircon, 5-10 parts of silicon dioxide, 1-2 parts of silica fume, 3-5 parts of titanium dioxide, 2.5-4 parts of steel fibers, 5-7 parts of ceramic fibers and 3-5 parts of barium sulfate. According to the ceramic steel material provided by the invention, adopted components are reasonably blended with each other, and the prepared ceramic steel material has the advantages of excellent performance, good stability, high-temperature resistance, corrosion resistance, good waterproof property, high strength and the like, and can be applied to various fields.

The invention provides a ceramic coating with corrosion resistance, and relates to the technical field of ceramic coatings. The ceramic coating comprises the materials in parts by weight: 13-28 partsof a pure acrylic elastic emulsion, 20-28 parts of epoxy resin, 15-27 parts of polyethylene micro-powder wax, 9-12 parts of high pigment carbon black, 17-23 parts of sodium silicate, 2-8 parts of an anti-aging agent, 5-12 parts of succinic anhydride, 14-23 parts of polyacrylic acid, 2-6 parts of phenol-formaldehyde resin, 18-26 parts of polytrifluorochloroethylene, 14-25 parts of powder ethylene-propylene-diene monomer, 18-25 parts of polyphenylene sulfide, 2-5 parts of carbon fibers, 4-8 parts of copper oxide, 2-5 parts of kaolin, 1-3 parts of zeolite powder and 3-8 parts of an extinction agent. The ceramic coating has the beneficial effects that the corrosion resistance of the ceramic coating can be strengthened and the performance is good.

The invention provides a system and a method for treating copper-containing molten iron. The system comprises an atomizing granulating device, an ammonia leaching device and an ammonia evaporating device, wherein the atomizing granulating device is provided with a copper-containing molten iron inlet and a copper-containing fine iron particle outlet; the ammonia leaching device is provided with a copper-containing fine iron particle inlet, an ammonia water inlet, a carbon dioxide inlet, an iron powder outlet and a copper-containing ammonia leaching liquid outlet; the copper-containing fine iron particle inlet is connected with the copper-containing fine iron particle outlet; the ammonia evaporating device is provided with a copper-containing ammonia leaching liquid inlet, an air inlet, a carbon dioxide outlet, an ammonia gas outlet and a copper oxide outlet; the copper-containing ammonia leaching liquid inlet is connected with the copper-containing ammonia leaching liquid outlet; and the carbon dioxide outlet is connected with the carbon dioxide inlet. According to the system, copper and iron in the copper-containing iron powder are separated through ammonia leaching, and copper is recovered by an ammonia evaporating method, so that the purity of the metal iron powder is improved, the recovery rate of copper is not less than 98.5 percent, the TFe content of the iron powder is not less than 95.5 percent by weight, and the Cu content is not more than 0.05 percent by weight.

A conductive pattern having high dispersion stability and a low resistance over a board is formed. A dispersing element (1) contains a copper oxide (2), a dispersing agent (3), and a reductant. Content of the reductant is in a range of a following formula (1). Content of the dispersing agent is in a range of a following formula (2).

0.0001≤(reductant mass/copper oxide mass)≤0.10  (1)

0.0050≤(dispersing agent mass/copper oxide mass)≤0.30  (2)

The dispersing element containing the reductant promotes reduction of copper oxide to copper in firing and promotes sintering of the copper.