571 results about "Metalloorganic Compounds" patented technology

The present invention relates to a method of and an apparatus for forming a thin metal film of copper, silver, or the like on a surface of a semiconductor or another substrate. A method of forming a thin metal film, comprises preparing a dispersed liquid having a metal-containing organic compound dispersed in a predetermined solvent, coating the dispersed liquid on a surface of a substrate and evaporating the solvent to form a coating layer, and applying an energy beam to the coating layer to decompose away an organic substance contained in the coating layer in an area irradiated with the energy beam and bond metal contained in the coating layer. According to the present invention, it is possible to form a thin metal film of good quality efficiently and stably. The thin metal film used as metal interconnects in highly integrated semiconductor circuits contributes to the progress of a process of fabricating semiconductor devices.

The invention relates to a heavy oil and biomass hydrogenation coliquefaction treatment process in which one or two of heavy oil and biomasses are used as raw materials in vacuum gas oil with the distillation range of 360-540 DEG C and FCC (Fluid Catalytic Cracking) oil slurry. In the process, an oil-soluble transition metal organic compound with hydrogenation activity is used as a catalyst, dimethyl sulfide is used as a vulcanizing agent, a full-back-mixing type empty barrel reactor is used as a slurry column hydrogenation reactor, the reaction temperature is uniform, and the structure is simple. By using the process, the conversion rate of the biomasses can be up to over 90wt% at lower hydrogen pressure of 4-8MPa and the temperature of 370-430 DEGC, and the yield of oil phases is up to over 70wt%. A dispersive hydrogenation catalyst adopted in the process can be used for greatly reducing the quantity of green cokes and taking a better deoxidization effect on the biomasses.

To provide an ink for producing a catalyst capable of stably forming metal particles which act as catalysts suitable for growth of carbon fibers by applying them onto a substrate.

A solution containing a metal organic compound containing any one metal of Pd, Fe, Co and Ni and a water-soluble polymer compound is formed by using water or an organic solvent as a main solvent.

The invention provides a composition for use in degradable plastics, which comprises: 1) a visible light catalytic oxidation degradation and thermally catalytic oxidation degradation component which is metal organic compound of a transition metal and accounts for 1 to 10 percent of the total weight of the composition; 2) an ultraviolet light catalytic degradation component which is a nano transition metal compound which has a particle diameter of between 5 and 100 nanometers and an ultraviolet light catalytic degradation function and accounts for 0.1 to 10 percent of the total weight of the composition; 3) an assisted oxidation degradation component which accounts for 1 to 10 percent of the total weight of the composition; and 4) a plastic basic component which accounts for the balance ofthe total weight of the composition. The invention also relates to the use of the composition in the production of degradable plastic products and the various degradable packaging or dispensable plastics and plastic products produced by using the composition.

A method of engineering a property of an interface using a gas cluster ion beam (GCIB) apparatus is disclosed. The method includes introducing a metal-organic compound with a carrier gas to form a metal-organic gas and mixing the metal-organic gas with a cluster gas used in the GCIB. The GCIB forms a plurality of gas cluster ions that include the metal-organic compound, focuses the gas cluster ions into a beam, and then accelerates the beam towards an interface surface of a target material where the gas cluster ions impact on the interface surface and at least a portion of the metal-organic compound remain in contact with the interface surface and modifies a property of the interface surface. The metal-organic gas can include a plurality of metal-organic compounds.

The present invention relates to a metal nano-material coated with carbon and its preparation method. Said preparation method includes the following steps: mixing nano carbon tube and metal organic compound according to the mole ratio of 1-50:1, adding them into organic solvent, the mole ratio of organic solvent and organic metal compound is 0-30:1, stirring for 0.5-24 hr., placing them into high-pressure kettle, making supercritical heat decomposition reaction at 150-450 deg.C, making reaction for 1-6 hr., after the reaction is completed, water-cooling to room temperature, releasing medium gas so as to obtain catalyst of nano carbon tube/metal oxide; then placing the catalyst into the furnace, introducing protective gas, heating according to the rate of 0.1-15 deg.C/min. to 650-1200 deg.C, retaining constant temperature, introducing mixed gas and retaining constant temperature for 1-180 min. so as to obtain the invented product.

Metal-free fuel cell cathodes having a catalytic layer of vertically-aligned, nitrogen-doped carbon nanotubes (VA-NCNTs) are provided. The fuel cell cathodes comprise a cathode body, a binder layer attached to an outer surface of the cathode body, and the catalytic layer, which is supported by the binder layer. The binder layer may comprise a composite of a conductive polymer and doped or undoped nonaligned carbon nanotubes. In a method for forming the fuel cell cathodes, the VA-NCNTs may be formed by pyrolysis of a metalorganic compound and integration of the nanotubes with nitrogen. The binder layer is applied, and the resulting supported nanotube array may be attached to the cathode body. Fuel cells comprising the fuel cell cathodes are provided. The fuel cell cathodes comprising VA-NCNTs demonstrate superior oxygen-reduction reaction performance, including for electrocatalytic activity, operational stability, tolerance to crossover effects, and resistance to CO poisoning.

The invention relates to a polyether copolyamide pervaporation membrane as well as a preparation method and an application thereof, and belongs to the technical field of membrane separation. The preparation method comprises the following steps: mixing polyether copolyamide and a metal organic compound with a solvent at a certain temperature to obtain a membrane casting solution, coating a polyether sulfone composite membrane supported by nonwoven cloth with the membrane casting solution, standing for a period of time in air, and drying in a vacuum drying box for several hours to obtain the polyether copolyamide pervaporation membrane. The polyether copolyamide pervaporation membrane prepared by the method is large in permeation flux, good in separation effect, good in strength, stable in structure and suitable for removing volatile organic compounds, especially volatile ester compounds from water.

Methods of forming a metal carbide film are provided. In some embodiments, a substrate is exposed to alternating pulses of a transition metal species and plasma-excited argon. The transition metal species is reacted with a carbon species to deposit a metal carbide film. The substrate is exposed to the carbon species simultaneously with the transition metal species, or the substrate is exposed to the carbon species in pulses temporally separated from the pulses of the transition metal species. In some embodiments, the carbon species and the transition metal species form parts of the same precursor compound, e.g., a metal organic compound.

The invention discloses a preparation method of hot-melt polyurethane resin for a bonding material. The preparation method comprises the following steps of performing a dehydration treatment on polyester polyol, polyether polyol, natural oligomer polyol or a mixture of two or more of the polyols aforementioned in certain conditions; adding an amine catalyst or a metal organic compound catalyst, and uniformly stirring and mixing at a room temperature; then reacting the mixture obtained from the former step with polyisocyanate or diisocyanate at 50-70 DEG C; after reacting for a certain time, adding an appropriate amount of a chain extender in the system (an appropriate amount of a good solvent can be added as needed to adjust the viscosity); after the chain extension reaction is concluded, adding a certain amount of acrylate with hydroxyl and a certain amount of an antioxidant in the system; determining the content of NCO via a titration method, when the needed theoretical value is achieved, stopping the reaction, and discharging, thereby obtaining the needed hot-melt polyurethane resin for the bonding material. The hot-melt polyurethane resin for the bonding material is applied to the field of medicine and tobacco packaging as an adhesive, and has the greatest advantages of high bonding strength, low viscosity and low readily oxidizable substance content, and is beneficial to customer use and cost reduction.

The invention provides a method for preparing a SiC ceramic precursor containing hafnium, comprising the following steps that: (1) a low molecular weight polymer containing silicon in the main chain is put inside a three-neck flask, and added with hafnium organic compound or chloride the mass of which is 0.5 to 20wt% of the low molecular weight polymer; (2) under the protection of Ar or N2 or the mixture of the two, the temperature of the three-neck flask is increased to between 350 and 500 DEG C according to the temperature increasing rate of 0.1 to 5 DEG C per minute, the temperature of a cracking post is controlled between 450 and 550 DEG C, the pyrolysis recomposition reaction is performed for 0.3 to 30 hours, the PHCS coarse product is produced after the cooling process; and (3) the coarse product is dissolved in the dimethylbenzene and is filtered, the filtrate is decompressed, distilled and cooled at a temperature of between 300 and 390 DEG C. The raw materials are widely available, the reaction process is easy to control, the device is simple, the product has high purity, the re-forming property is good, the super high temperature performance is good; the large-scale industrial production is easy to realize; and the ceramic fiber prepared has good anti-oxidation performance.

A catalyst comprising at least one metal selected from the group consisting of Group 8 metals, Group 9 metals, Group 10 metals and combinations thereof, an organic compound, and a solid acid and a method of making said catalyst is disclosed. The catalyst can be used in a hydrocarbon conversion process.

The invention relates to a microporous and mesoporous organometallic compound as well as the preparation method thereof, and mainly provides an organometallic compound with multilevel pores, as well as the preparation method thereof. The preparation method comprises the following steps: metal inorganic salts and organic carboxylic acid coordination polymers are dissolved in water or an organic solvent; the mixed solution is crystallized for 10-100 hours under the condition that the temperature is 100-220 DEG C; after being naturally cooled down and taken out, the reaction product is taken out; the microporous and mesoporous organo-metallic compound is prepared through suction-filtering, washing, drying and baking. The preparation process of the invention is simple, the cost is low, and the microporous and mesoporous organo-metallic compound can be prepared under mild conditions. The prepared material with the multilevel pores has wide application prospect on aspects of adsorption, separation, catalysis, etc.

A first group III nitride compound layer, which is formed on a substrate by a method not using metal organic compounds as raw materials, is heated in an atmosphere of a mixture gas containing a hydrogen or nitrogen gas and an ammonia gas, so that the crystallinity of a second group III nitride compound semiconductor layer formed on the first group III nitride compound layer is improved. When the first group III nitride compound layer is formed on a substrate by a sputtering method, the thickness of the first group III nitride compound layer is set to be in a range of from 50 Å to 3000 Å.

This invention relates to the manufacture of secondary batteries charged by Mg including electrode materials, electrolytic material and their preparation method in which the negative is made of Mg alloy with component of MgMxMy(o<x, y<0.5) alloy above binary (M is Ni, Cu, Ti, Co, Si, B etc.), the positive is made of nanometer degree M2Co2O4(O<z<2, O<t<3) or MoS2 and the liquid electrolyte is metal organic compound Mg(ZnBuCl2)2. The said battery system has balance of charge/discharge with open voltage of about 2.0 V.

The present invention discloses a spraying apparatus for metal-organic chemical vapor deposition (MOCVD) equipment. The apparatus comprises at least two transportation channels. Each transportation channel comprises air inlets, a cavity and through holes, wherein the air inlets, the cavity and the through holes are communicated. The positions between the through holes of all the transportation channels are the nested structures. According to the present invention, the uniform mixing effect of a plurality of gases can be improved by the spraying apparatus for the MOCVD equipment.

The invention discloses a compound catalyst with a nanometer core-shell structure and a preparing method of the compound catalyst. The compound catalyst comprises metallic oxide nanometer particles, the metallic oxide nanometer particles are coated with a carbon layer, and multiple precious metal nanometer particles are uniformly distributed outside the carbon layer, wherein the particle diameterof the metallic oxide nanometer particles is 20-50 nm, the particle diameter of the precious metal nanometer particles is 2-10 nm, and the thickness of the carbon layer is 2-10 nm. The compound catalyst can prevent aggregation of the precious metal nanometer particles, and change the electronic state and adsorption properties of the surface of the precious metal nanometer particles, and then the catalysis performance is improved; meanwhile, the carbon layer can strengthen the mutual acting force among the precious metal nanometer particles and the metallic oxide nanometer particles. Precursorslike chlorizated salts and nitrate are adopted, metallo-organic compounds needed for preparation of a catalyst of a specific structure are omitted, and the preparing cost is lowered; meanwhile, templates are not needed in the preparing process, and the operation is simple and easy to control.

The invention discloses a bifunctional catalyst for catalyzing ORR and OER and preparation and application of the bifunctional catalyst. The bifunctional catalyst is a nitrogen-doped MOF bifunctionalair catalyst under the combined action of binary metal, wherein the binary metal is Fe and Co. The MOF bifunctional air catalyst is nano-particles with a regular dodecahedron structure, so that the cost can be greatly reduced, and large-scale popularization and application can be realized. The method disclosed by the invention is realized by preparing a precursor through a constant-temperature solvothermal reaction, centrifugally washing and purifying the precursor and carbonizing at a high temperature to obtain the catalyst, and is simple to operate and easy to control. Cheap and basically harmless chemicals such as metal nitrate are selected as raw materials in the preparation process, the obtained precursor purifying and drying method is simple, convenient and low in time consumption, ametal organic compound required for preparing a catalyst with a special structure is avoided, and the cost can be further reduced.

The invention provides a metallic complex taking pyridine as parent body. It comprises following steps: taking picoline as raw material, placing trimethyl silicon base on substituent group after modification, carrying out addition reaction with benzenenitrile and getting a kind of metallic organic compound complexed witheta3-aza and pyridine. The method is characterized by temperate reaction condition, simple process, fast reaction speed and high productivity. The complex can be used as catalyst for alkene polymerization, and is characterized by long endurance, low cost, stable performance for oxygen atom and other foreign atoms in functional group, high activity and adjustable selectivity.

The invention provides a preparation method of magnetic silicon carbide ceramic nano particles, and relates to silicon carbides. The method comprises the steps that 1, magnetic metallo-organic compounds and polycarbosilane react in a solution, magnetic metal sol is obtained; 2, the magnetic metal sol obtained from the step 1 and pitch are mixed and react, then solvents are eliminated, and a mixture with the evenly distributed magnetic metal polycarbosilane precursors and pitch is obtained; 3, the mixture obtained in the step 2 is placed in a high temperature furnace, air or oxygen is led into the high temperature furnace to oxygenize the mixture, then the mixture is cooled, and cross-linking by-products are obtained; 4, the cross-linking by-products are placed in the high temperature furnace, inert gases are led to the high temperature furnace to carbonize the cross-linking by-products, the cross-linking by-products are cooled, and carbon-scattered magnetic silicon carbide ceramic nano particles are obtained; 5, the carbon-scattered magnetic silicon carbide ceramic nano particles are heated in an air atmosphere to an oxygenolysis decomposition temperature for carbon removing, and the magnetic silicon carbide ceramic nano particles are obtained. The magnetic silicon carbide ceramic nano particles can attenuate certain electromagnetic radiation due to the fact that the magnetic silicon carbide ceramic nano particles have both magnetic loss and dielectric loss, and an electromagnetic wave absorption effect is achieved.