80results about "Solid/suspension decomposition chemical coating" patented technology

To extend the lifespan of plating baths used for forming metal oxide films and to enable more efficient use of the plating baths. [Solution] The method for forming a metal oxide film comprises the steps of forming a metal oxide film on the surface of a plated object using a plating bath containing a metal compound that forms the film and a boron compound that acts as a reducing agent, and regenerating the plating bath using an adsorption filter that adsorbs boric acid.

The application discloses a kind of methods for preparing directional CNTs / Cu composite material by lost foam auxiliary sintering, and belongs to copper-based composite material technical field.It is first to sequentially oxidize, sensitize, activate and nature load and hydrophilic polymer treatment to original CNTs, so that CNTs functional group is attached with hydrophilic, magnetic nano microparticle on surface;Then the modified CNTs obtained are dispersed in polystyrene mother liquor, and are made into film, and are encapsulated in graphite mold after layer-by-layer stacking to carry out hot-pressing sintering, and the CNTs / Cu composite material is obtained.The application solves the problem that carbon nanotube is unevenly distributed in copper matrix, and is disordered, can further improve the electrical, thermal, mechanical properties etc.of CNTs / Cu composite material, and highlights the anisotropy and directionality of the material.

The present invention relates to a coating composition that is not wettable by liquid zinc, characterized in that said composition comprises the metallic elements nickel (Ni), chromium (Cr), silicon (Si), phosphorus (P), and optionally boron (B), in the following proportions: Ni 50%-60%, Cr 20%-30%, Si 5%-12%, P 4%-8%, and B 0%-1.5%, by mass relative to the total mass of the metallic elements present in the coating composition; and its uses. The invention further relates to a method for coating at least one surface of a metal part and to a metallic coating that is not wettable by liquid zinc. The invention also relates to a metal part coated with a metallic coating that is not wettable by liquid zinc according to the invention.

The problem of unevenness in the laminated film of a tin oxide film and a catalyst layer used in the pretreatment of electroless plating is that it is easy to produce unevenness. According to a method for forming a tin oxide laminated film with a catalyst layer, a uniform catalyst layer can be formed. The method comprises the following steps: preparing a concentrated solution containing a tin compound dissolved in a polar solvent; diluting the concentrated solution with the polar solvent and a fluoride solution to prepare a reaction solution that is a stable divalent tin solution; immersing a treatment object in the reaction solution to form a tin oxide layer on the surface of the treatment object; and immersing the treatment object with the tin oxide layer formed on the surface in a catalyst solution containing catalyst metal ions to form a catalyst layer on the tin oxide layer.

The present invention relates to a cutting element formed from a composite of a substrate coated with a structured coating comprising a substrate with a surface in contact with the coating. The substrate has a plurality of substrate recesses at least in regions of the substrate surface. The coating extends into the recesses of the substrate, and the coating has an inner surface being in contact with the substrate and an outer surface opposite to the inner surface. The coating comprises at the outer surface a plurality of coating recesses being smaller than the recesses at the surface of the substrate resulting in a structured coating. Moreover, the present invention relates to a method for producing a cutting element.

An insulating coating-attached electrical steel sheet with excellent adhesion of the insulating coating and a manufacturing method therefor are provided. The insulating coating-attached electrical steel sheet has, on at least one surface, an insulating coating including an insulating tensile coating layer A, where: when a weight of the insulating tensile coating layer A is denoted by M and a tension applied to the steel sheet by the insulating tensile coating layer A is denoted by σA, a tension applied to the steel sheet by an insulating tensile coating layer having a coating weight of M / 2 from a surface of the insulating tensile coating layer A is 0.80 × σA or more. The manufacturing method for the insulating coating-attached electrical steel sheet, includes forming the insulating tensile coating layer A by applying a treatment solution for coating formation containing colloidal silica and at least one selected from Mg, Al, Ca, Ba, Sr, Zn, Ti, Nd, Mo, Cr, Ta, Cu, and Mn salts of phosphoric acid, boric acid, and silicic acid to at least either surface of an electrical steel sheet, subsequently heating at a heating rate of 100°C / s or more in a temperature range of 600°C or higher and 700°C or lower, and then baking at 800°C or higher.

The present invention relates to a cutting element formed from a composite of a substrate coated with a structured coating comprising a substrate with a surface in contact with the coating. The substrate has a plurality of substrate recesses at least in regions of the substrate surface. The coating extends into the recesses of the substrate and the coating has an inner surface being in contact with the substrate and an outer surface opposite to the inner surface. The coating comprises at the outer surface a plurality of coating recesses being smaller than the recesses at the surface of the substrate resulting in a structured coating. Moreover, the present invention relates to a method for producing a cutting element.

To provide a metal-containing member forming composition that can give a metal-containing member having high strength, a metal-containing member containing the metal-containing member forming composition that has been converted into metal, a method for producing a metal-containing member by using the metal-containing member forming composition, and a laminate and a device including the metal-containing member.SOLUTION: A metal-containing member forming composition contains a metal precursor, a granular filler and a solvent. There are also provided: a metal-containing member containing the metal-containing member forming composition that has been converted into metal; a method for producing a metal-containing member by using the metal-containing member forming composition; and a laminate and a device each including the metal-containing member.SELECTED DRAWING: Figure 1

To provide a light-absorption heat-shielding film that absorbs a visible ray and a near-infrared ray but has reduced radiation of a far-infrared ray, which are generally incompatible.SOLUTION: A light-absorption heat-shielding film includes a metal layer with a fine rugged-shape matter, where an average height of the fine rugged-shape matter is 100 nm or more and 1000 nm or less.SELECTED DRAWING: Figure 1

The present invention provides a novel method for producing a structure comprising an assembly of metal-based particles. Provided is a method for producing a layered product, the layered product comprising a substrate having a three-dimensional surface; and a metal-based particle assembly layer arranged on the three-dimensional surface and comprising a plurality of metal-based particles arranged apart from each other, the method comprising the step of forming the metal-based particle assembly layer on the three-dimensional surface by immersing the substrate in a plating solution containing a cation of a metal constituting the metal-based particles to reduce the cation, wherein a VS / VL ratio of volume VS [cm3] of the substrate to volume VL [cm3] of the plating solution is 0.03 or less.

Patterns are less likely to appear on a surface of a plate glass including a low-emissive film and a protective film that protects the low-emissive film. The coated plate glass (Cg) includes: a plate glass (Gs) having a coated surface (Cs); a low-emissive film (Le) that is disposed on the coated surface (Cs) and includes a metallic layer and a dielectric layer; and a protective film (Pr) that is disposed on the low-emissive film (Le) and contains silicon oxide. The thickness of the protective film (Pr) varies at respective points. The deviation with respect to the minimum limit size (Ls) of the thickness at each point in the thickness at each point falls within the range of a tolerance (Tr) of the thickness at the corresponding point. The tolerance Tr is set to a value of 10% or less of the minimum limit size (Ls). When the coated plate glass (Cg) is observed on the protective film (Pr), the color difference ΔE between two points that are a point at which a thickness of the protective film Pr is a maximum limit size and a point at which a thickness of the protective film Pr is the minimum limit size Ls, is 3.5 or less.

The invention relates to the geopolymer suspension for insoluble heat- and corrosion-resistant coatings for the surfaces of Fe alloy products that contains 20 to 25% wt. of the aqueous solution of 80% to 90% wt. phosphoric acid, 25 to 30% wt. of aluminosilicate, 4.6 to 5.2% wt. of graphite, and the remainder is isopropyl alcohol. It further relates to the method of preparing the geopolymer suspension, wherein 20 to 25% wt. of the aqueous solution of 80 to 90% phosphoric acid is added to 100 ml of isopropyl alcohol and 25 to 30 g of kaolin is gradually added while stirring at laboratory temperature for 8 to 15 minutes. After 9 to 15 minutes, 4.6 to 5.2 g of graphite as an additive is added at once, and the resulting mixture is homogenised for another 18 to 25 minutes.

The invention relates to the technical field of medium-entropy alloys, in particular to a carbon-coated CoCrNi medium-entropy alloy and a preparation method and application thereof. The invention provides a preparation method of a carbon-coated CoCrNi medium-entropy alloy, which comprises the following steps: mixing a CoCrNi medium-entropy alloy, dopamine and an organic dispersion medium, and coating under an alkaline condition to obtain a dopamine-coated CoCrNi medium-entropy alloy; the CoCrNi medium-entropy alloy coated with the dopamine is subjected to pyrolysis and carbonization, and the CoCrNi medium-entropy alloy coated with a graphitized carbon layer is obtained; and after the CoCrNi medium-entropy alloy coated with the graphitized carbon layer is calcined, mold pressing sintering is conducted, and the carbon-coated CoCrNi medium-entropy alloy is obtained. The carbon-coated CoCrNi medium-entropy alloy prepared by the preparation method has high strength, high hardness and high wear resistance at the same time.

A coated steel substrate comprising a surface; the steel composition comprising: 0.05 to 0.5 wt.% carbon; 0.5-3.0 wt.% manganese; 0-80 ppm boron; less than 0.1 wt.% phosphorus, less than 0.1 wt. %sulfur; less than 1 wt. % silicon; and less than 5 wt.% of other transition metals; a remainder iron and unavoidable impurities; a remainder iron and unavoidable impurities; and a layer comprising metal particulate and a base polymer adjacent the surface is provided. The coated steel substrate is hot formable with the layer providing high oxidation resistance and sufficient electrical conductivity for welding. In one example, the steel substrate is suitable for automotive applications.

A method for forming a tin oxide multilayer film with a catalyst layer, the method including preparing a concentrated liquid in which a tin compound is dissolved in a polar solvent; diluting the concentrated liquid with the polar solvent and a fluoride solution to prepare a reaction liquid that is a stable divalent tin solution; immersing a substance to be treated in the reaction liquid to form a tin oxide layer on a surface of the substance to be treated; and immersing the substance to be treated having the tin oxide layer formed on the surface in a catalyst solution containing catalyst metal ions to form a catalyst layer on the tin oxide layer.

The present invention provides: a laminate which is excellent in terms of adhesion after immersion in a plating solution; and a method for manufacturing the laminate. A laminate according to the present invention comprises: a base material; a metal oxide layer that contains a first metal atom which is selected from the group consisting of a titanium atom, a zirconium atom, and an aluminum atom; and a metal layer X that is disposed adjacent to the metal oxide layer and contains a second metal atom which is different from the first metal atom. The thickness of the metal oxide layer is 50-2,000 nm.

To provide a production method of a substrate with a thin silver film capable of forming a thin silver film in a shorter time than conventionally done; a substrate with a thin silver film having better binding property with a substrate and corrosion resistance than conventional ones; and a production method of a thin silver film capable of formation in a short time.SOLUTION: A production method of a substrate with a thin silver film includes, in this order, a pretreatment step of pretreating powdery silver oxide, a mixing step of mixing the pretreated silver oxide with a reducer to form a mixture, an application step of applying the mixture onto a substrate, and a heating step of heating, at a first heating temperature, the substrate with the mixture applied thereon. The pretreatment step adopts a method that immerses the silver oxide into a pretreatment solvent having a boiling point lower than the first heating temperature.SELECTED DRAWING: Figure 2

A battery-powered analyte sensing system includes a printed battery and an analyte sensor. The printed battery includes an anode composed of a non-toxic biocompatible metal, a first carbon-based current collector in electrical contact with the anode, a three-dimensional hierarchical mesoporous carbon-based cathode, a second carbon-based current collector, and an electrolyte layer disposed between the anode and the cathode, the electrolyte layer configured to activate the printed battery when the electrolyte is released into one or both the anode and the cathode. The analyte sensor includes a sensing material and a reactive chemistry additive in the sensing material.

To provide a sliding bearing element which has a lead-free, sulfur-containing cast alloy layer on a copper basis, and in which the effects of sulfur on the alloy are reduced.SOLUTION: A multi-layer sliding bearing element (1) is provided that contains a supporting metal layer (3), a lead-free copper base alloy layer (4) and a sulfide-containing precipitate (10). The copper base alloy contains 0.1 wt.% to 3 wt.% of sulfur, 0.01 wt.% to 4 wt.% of iron, less than 2 wt.% of phosphorus, 0.1 wt.% to 49 wt.% of the total of at least one element of a first group consisting of zinc, tin, aluminum, manganese, nickel, silicon, chromium and indium, and 0 wt.% to 2 wt.% of the total of at least one element of a second group consisting of silver, magnesium, indium, cobalt, titanium, zirconium, arsenic, lithium, yttrium, calcium, vanadium, molybdenum, tungsten, antimony, selenium, tellurium, bismuth, niobium and palladium, and the balance copper.SELECTED DRAWING: Figure 1

Disclosed is a method of forming a plurality of core / shell nanoparticles comprising spray coating a plurality of ZnO particles with a carbon precursor to form a plurality of clusters having a ZnO-based core and a carbon-containing shell.

The invention relates to a method for in-situ synthesis of Ti-W alloy coated diamond particles, the Ti-W alloy coated diamond particles and application of the Ti-W alloy coated diamond particles. The method for in-situ synthesis of the diamond particles coated with the Ti-W alloy comprises the following steps: (1) material mixing: uniformly mixing the diamond particles, titanium hydride powder and tungsten oxide powder to obtain a mixture; (2) cold pressing: performing cold pressing on the mixture to obtain a cold-pressed block; (3) Ti-W alloy plating: in an argon or vacuum atmosphere, raising the temperature to 750-950 DEG C, preserving heat for 0.5-3 hours, and performing diffusion evaporation coating treatment on the cold pressing block; and (4) products obtained through treatment in the step (3) are sieved, and oversize products are the Ti-W alloy coated diamond particles. According to the method for in-situ synthesis of the diamond particles coated with the Ti-W alloy, the reaction temperature of the Ti-W alloy can be reduced, and the situation that the strength of the diamond particles is reduced due to diamond surface graphitization is avoided or reduced.

To extend the lifespan of plating baths used for forming metal oxide films and to enable more efficient use of the plating baths. [Solution] The method for forming a metal oxide film comprises the steps of forming a metal oxide film on the surface of a plated object using a plating bath containing a metal compound that forms the film and a boron compound that acts as a reducing agent, and regenerating the plating bath using an adsorption filter that adsorbs boric acid.

[Problem] The purpose of the present invention is to provide a layered structure that comprises a plating film and an intermediate film and exhibits good adhesion as well as good insulation characteristics, throwing power, etching resistance, wiring formability, and migration resistance or seed layer removability. [Solution] Provided is a layered structure having a plating film formed on a substrate and containing an intermediate film between the substrate and plating film. The intermediate film is made from a metal oxide having a surface resistivity according to JIS K 6911 of at least 1.0 × 1010 Ω / sq. The film thickness of the intermediate film is at least 40 nm.

Heat exchanger (100) of an absorption machine comprising a metal wall (110) covered by a layer of metal oxide (111), intended to be in contact with a working fluid (120) circulating in the heat exchanger (100), characterized in that the oxide layer of the metal wall (110) is covered by a coating (150) comprising: - an adhesion layer covalently bonded to the metal oxide layer, the adhesion layer being an alkoxysilane layer having a carbon chain having at least 4 carbon atoms or an acetoxysilane layer having at least 4 carbon atoms, - a polymer layer disposed between the carbon chains of the adhesion layer, the polymer being PMMA, PVC or a polycaprolactone.

A method of liquid phase conformal silicon oxide spin-on deposition includes providing a substrate in a process chamber; spinning a first reactant containing aluminum in a first liquid onto the substrate to form a self-limiting layer of the first reactant on the substrate; spinning a second reactant containing a silanol reagent in a second liquid onto the substrate, where the self-limiting layer of the first reactant catalyzes adsorption of the silanol reagent on the substrate; and thermally treating the substrate to form a silicon oxide film from the adsorbed silanol reagent.

A method for synthesizing graphene includes depositing pitch on a substrate to provide a pitch sample, and pyrolyzing at least a portion of the pitch sample with a laser (112), thereby forming graphene. A method for upgrading pitch includes providing a pitch sample under vacuum, and irradiating the pitch with a laser to form an upgraded pitch product. A system for synthesizing graphene (100) includes a pitch deposition system (102) configured to deposit pitch on a substrate to form a deposited pitch sample, and a laser irradiation system (104). The laser irradiation system (104) includes a laser (112) comprising an outlet for a beam of light, and a substrate holding area (108) in line with the outlet of the laser (112). The laser irradiation system (104) is capable of transforming at least a portion of the deposited pitch sample to form graphene.

The invention relates to a cutting element formed from a composite material of a substrate coated with a structured coating, the composite material comprising a substrate having a surface in contact with the coating. The substrate has a plurality of substrate recesses at least in the region of the substrate surface. The coating extends into the recesses of the substrate and has an inner surface in contact with the substrate and an outer surface opposite the inner surface. The coating includes a plurality of coating recesses at the outer surface that are smaller than the recesses at the surface of the substrate, thereby forming a structured coating. The invention further relates to a method for producing a cutting element.

The invention relates to the field of application of surface coatings, and provides the use of a substrate coating for reducing material leakage, said object being coated with a coating at least partially applied on the object, said coating comprising an at least partially covered silver-containing layer, said object optionally comprising an area without said layer, the coating comprises metal particles applied on the layer and optionally on a region without the layer, the metal particles comprising palladium and at least one metal selected from the group consisting of gold, ruthenium, rhodium, osmium, iridium, niobium, neodymium and platinum, and wherein the amount of the metal particles is in the range of 0.01-8 [mu] g / cm2. Advantages include that leakage of latex allergen substances such as metal ions can be reduced when the coating is biocompatible and antimicrobial. In addition, blood coagulation can be reduced.

The invention relates to a method for depositing a coating on inner surfaces forming cavities of a heat exchanger, characterized in that the coating comprises a liquid adhesive and a powder of a pulverulent solid intended to act as a catalyst for a physico-chemical reaction.