109 results about "Hydrogen" patented technology

The present invention provides a field effect transistor including an oxide film as a semiconductor layer, wherein the oxide film includes one of a source part and a drain part to which one of hydrogen and deuterium is added.

A composition includes at least one biologically active agent covalently attached to a first polymerizing molecule that is adapted to undergo a free radical polymerization. The first polymerizing molecule retains the ability to undergo free radical polymerization after attachment of the bioactive agent thereto. The first polymerizing molecule is preferably biocompatible. The polymerizing molecule can, for example. be dihydroxyphenyl-L-alanine (DOPA) or tyrosine. The composition can also include a second component synthesized by reacting at least one core molecule having a plurality of reactive hydrogen groups with at least one multi-isocyanate functional molecule to create a conjugate including terminal isocyanate groups. The conjugate molecule is reacted with a second polymerizing molecule that is adapted to undergo a free radical polymerization. The second polymerizing molecule includes a reactive hydrogen to react with the isocyanate groups of the conjugate. The second polymerizing molecule retains the ability to undergo the free radical polymerization after reaction with the conjugate. In several embodiments, the first polymerizing molecule and the second polymerizing molecule are the same and dihydroxyphenyl-L-alanine (DOPA) or tyrosine.

A conjugated diene polymer is provided that contains a conjugated diene-based monomer unit and a group represented by Formula (I) below, at least peaks H, M, and L below being present in a molecular weight distribution curve obtained by gel permeation chromatography measurement, and when the total area of the molecular weight distribution curve is 100%, the total peak area of peak H is 3% to 30%, the total peak area of peak M is 5% to 45%, and the total peak area of peak L is 40% to 80%

(in Formula (I), R¹ and R² independently denote a hydrocarbon group having 1 to 4 carbon atoms, a hydrocarbonoxy group having 1 to 4 carbon atoms, a hydroxy group, or a polymer chain containing a conjugated diene-based monomer unit, m denotes an integer of 0 to 10, and A¹ denotes a polar functional group that does not have an active hydrogen)

Peak H: a peak for which the molecular weight at the peak top is higher than the molecular weight at the peak top of peak M

Peak M: a peak for which, when the molecular weight at the peak top of peak H is MH, the molecular weight at the peak top is 0.6×MH to 0.8×MH

Peak L: a peak for which, when the molecular weight at the peak top of peak H is MH, the molecular weight at the peak top is 0.2×MH to 0.4×MH.

A process for preparing polymers which comprises conducting polymerization in the presence of free radicals of the formula Iwhere Q is NR2 or S and T is CR3R4 or S and R1, R2, R3 and R4 can be identical or different and independently are hydrogen, C1- to C20-alkyl or C6- to C18-aryl.

An integrally molded body of a silicone resin and silicone rubber comprises a cured body of a curable silicone composition (A) comprising an organopolysiloxane resin (A1) that contains at least two silicon-bonded alkenyl groups, and not less than 30 mole percent of total siloxane units of RsiO_3/2 units, an organopolysiloxane (A2) that contains at least two silicon-bonded hydrogen atoms, and a platinum group metal catalyst (A3) in a catalytic amount, and a cured body of a silicone rubber composition (B) comprising diorganopolysiloxane (B1) that contains at least two silicon-bonded alkenyl groups, a organopolysiloxane (B2) that contains at least two silicon-bonded hydrogen atoms, and a platinum group metal catalyst or an organic peroxide (B3) in a catalytic amount. The manufacture of the integrally molded body is carried out by curing composition (A) and composition (B) in the same mold.

The present invention provides a method for recovering a natural gas contaminated with high levels of carbon dioxide. A gas containing methane and carbon dioxide is extracted from a reservoir containing natural gas, where carbon dioxide comprises at least 50 vol. % of the extracted gas. The extracted gas is oxidized with an oxygen containing gas in the presence of a partial oxidation catalyst at a temperature of less than 600° C. to produce an oxidation product gas containing hydrogen, carbon monoxide, and carbon dioxide. The oxidation product gas is then utilized to produce a liquid hydrocarbon or a liquid hydrocarbon oxygenate.

The invention discloses a hydrocracking method of low-energy-consumption, productive and high-quality jet fuel. The hydrocracking method comprises the steps that after being mixed with hydrogen, raw oil undergoes heat exchange twice, passes through hydrofining and first cracking reaction zones in sequence after passing through a heating furnace and is separated to obtain middle distillate, and the middle distillate enters a second cracking reaction zone to be cracked, wherein the first cracking reaction zone at least comprises two cracking catalysts, namely an upstream filling catalyst I and a downstream filling catalyst II; the catalyst I contains 15-50wt% of modified Y molecular sieve; the catalyst II contains 3-30wt% of modified Y molecular sieve; the content of the modified Y molecular sieve in the catalyst I is higher than the content of the modified Y molecular sieve in the catalyst II by 10-25%. The hydrocracking method has the advantages that the high temperature and high pressure countercurrent heat transfer technology and the hydrocracking catalyst grading technology are organically combined and the hydrocracking reaction heat is comprehensively utilized, thus improving the quality of the target product and reducing the project investment and the operation energy consumption while maintaining the selectivity of the catalysts.

The invention discloses a method for preparing a ZnWO4 nanorod photocatalysis material. The method includes preparing a tungstic acid solution A, a zinc chloride solution B and a sodium citrate solution C; dropwise adding the solution A and the solution C into the solution B to form a solution D; regulating potential of hydrogen (pH) of the solution D to 6-8, and uniformly stirring to obtain a solution E; adding the solution E into a microwave hydrothermal reaction kettle, performing a heating reaction, naturally cooling the solution E to the room temperature after the reaction is finished, and taking out the reaction kettle; and opening the reaction kettle, washing a product for 4-6 times by deionized water and absolute ethyl alcohol, and drying to obtain the ZnWO4 nanorod photocatalysis material. According to the method, the microwave hydrothermal method is utilized to rapidly synthesize the ZnWO4 nanorod with the photocatalysis property, the later crystallization heat treatment is not required, the obtained product is high in purity, and the shape is controllable. The ZnWO4 nanorod with the photocatalysis effect can be synthesized in 10 minutes, and the degradation rate of the prepared ZnWO4 nanorod to rhodamine B in 50-60 minutes can reach to 97%-99%.

Adhesive systems comprising: (A) an isocyanate group-containing prepolymer prepared by reacting: (A1) an aliphatic isocyante; and (A2) a polyol having a number average molecular weight of ≧400 g/mol and 2 to 6 OH groups; and (B) a curing component comprising: (B1) an amino group-containing aspartate ester of the general formula (I);

wherein X represents an n-valent organic radical derived from a corresponding n-functional primary amine X(NH₂)_n, R₁ and R₂ each independently represent an organic radical having no Zerevitinov active hydrogens and n represents a whole number of at least 2; and (B2) an organic filler having a viscosity of 10 to 6000 mPas at 23° C. measured according to DIN 53019; their use in wound and tissue incision closure, adhesive films comprising the same and dispensing systems therefor.

The invention relates to a reforming apparatus made of LTCC and a manufacturing method therefor. The reforming apparatus includes an upper cover made of ceramic material, having a fuel inlet at one side thereof, and an evaporator made of ceramic layers formed integrally with the upper cover, having a flow path to gasify fuel introduced through the upper cover. In the reforming apparatus, a reformer made of ceramic layers is formed at one side of the evaporator, having a catalyst in a flow path thereof to reform fuel gas entering from the evaporator into hydrogen. A CO remover made of ceramic layers is formed integrally with the reformer, having a catalyst to remove CO from reformed gas entering from the reformer. A lower cover is formed integrally at one side of the CO remover, having a reformed gas outlet to emit the reformed gas to the outside.

The present invention relates to a process for the manufacture of structural hybrid thermoplastic composites where organic and inorganic fibres are well dispersed in a thermoplastic matrix. The process comprises defibrillating the organic fibres with or without the presence of surface active agents using a mixer at a high shear and at a temperature lower than the decomposition temperature of organic fibres and melting point of the surface active agents to separate the hydrogen bonded fibres and generate microfibres, followed by blending and dispersion of the organic fibres in the thermoplastic matrix to produce a fibre composite, followed by further blending and dispersion of the fibre composite with inorganic fibres at a low shear to get the moldable hybrid composite, followed by extrusion, injection or compression-injection molding. Low shear mixing maintains the inorganic fibre length. The process produces high performance composite materials having excellent performance properties and are ideally suited for automotive, aerospace, furniture, sports articles, upholstery and other structural and semi-structural applications.

The invention discloses a preparation method of high-purity rhenium powder, which comprises the following steps: purification, centrifugal atomization, primary reduction, secondary reduction and the like. A preparation method of high-purity rhenium powder is provided, starting from the two major processes of raw material ammonium rhenate powder preparation and ammonium rhenate calcination reduction, improving the reducibility of ammonium rhenate powder, reducing the driving force of powder growth, and achieving all stages The purity of raw materials is controllable; two-stage hydrogen reduction is adopted to increase the contact with hydrogen, which is conducive to the elimination of water vapor and provides powerful conditions for obtaining finer and more uniform powder.

The present invention is to provide an imidazolidinedione derivative and oxazolidinedione derivative represented by the following general Formula (I) having the chymase and/or tryptase inhibition activity [wherein R<1 >and R<2 >are the same or different, and denote a lower alkyl group or a phenyl group, or R<1 >and R<2 >are taken together to form a ring, R<3 >denotes an optionally substituted naphthyl group or heterocyclic group, A denotes oxygen or NR<4 >(R<4 >is hydrogen or optionally substituted lower alkyl group), or NB<2>R<5 >(R<5 >is aryl group, and B<2 >is carbonyl group or sulfonyl group), and B<1 >denotes a carbonyl group or a sulfonyl group], or a pharmaceutically acceptable salt thereof.

The invention discloses polymer functional graphene and a preparation method and application thereof. Graphene is connected with a polymer through the combination of at least one of imide, amide, ester groups and amidogen, wherein the polymer is a polymer at least containing one benzene ring and with the molecular weight of 200-500,000 and interacts with the graphene through covalent bonds, hydrogen bonds and/or pi-pi conjugation. The polymer functional graphene is excellent in dispersion property in non-polar solvents and excellent in dispersion stability, and cannot precipitate after long-time storage for multiple months; according to the adopted preparation method, the polymer with amidogen, hydroxyl and carboxyl reacts with epoxy, hydroxyl and the like on the graphene and then is subjected to covalent grafting on the surface of the graphene, and the grafting rate of the polymer reaches 30% or above. In addition, the obtained polymer functional graphene can be widely applied to lubricating oil, plastic, rubber, paints, adhesives, fibers and other fields, and has potential application value.

The invention discloses an ultrathin heat conductive silicon sheet and a preparation method thereof. The ultrathin heat conductive silicon sheet comprises the following components in parts by weight: 100 parts of ethenyl terminated dimethyl silicon oil, 0.5-2.0 parts of hydrogen-based silicon oil, 200-500 parts of heat conductive powder, 0.1-0.3 part of inhibitor and 0.2-0.6 part of catalyst. The preparation method comprises the following steps of: mixing the components, then, dispersing the mixture at high speed by using a high-speed disperser or a method for additionally providing a high-speed dispersing plate in a planetary stirrer, wherein the dispersing linear speed is not smaller than 10m/s; calendaring the uniformly-dispersed materials by using a precise calendar, wherein the calendaring thickness can be as small as below 0.1mm, and the precision can be at least +/-0.02; and then, baking to obtain the heat conductive silicon sheet with the required thickness. The thickness of the heat conductive silicon sheet provided by the invention is 0.1-0.2mm which is far lower than that of the heat conductive silicon sheet sold on the current market, so that the requirement for light and think electronic products and particularly light and thin mobile phones can be met.

The invention relates to an electrolyte used for magnesium alloy anode oxidation treatment and a treatment method. The electrolyte comprises the following components of 20-60ml/L of polyaspartic acid salt, 40-100g/L of alkali metal silicate, 10-40g/L of boric acid or sodium tetraborate, 150-300ml/L of ammonia water or 50-200ml/L of organic amine and 20-60mg/L of sodium gluconate serving as additive, wherein the pH (potential of hydrogen) value of the electrolyte is 11-13. When the electrolyte disclosed by the invention is adopted for anode oxidation surface treatment on the magnesium alloy, one layer of smooth, even and compact ceramic layer with good corrosion resistance is formed on the surface of the magnesium alloy, the electrolyte can not pollute the environment and has a good favorable application prospect.

The invention provides an ultrahigh-pressure hydrogen electromagnetic valve having a pressure relief function and applied to a vehicle. The ultrahigh-pressure hydrogen electromagnetic valve comprisesa valve body; the valve body is provided with a gas charging interface which is connected with a gas cylinder; the valve body is internally provided with a main gas charging channel and the gas charging interface; the valve body is also internally provided with a manual control valve interface, an electromagnetic valve interface and a pressure reducer interface; one side of the pressure reducer interface is provided with a low pressure output interface; a manual control valve is installed at the manual control valve interface; an electromagnetic valve is installed at the electromagnetic valveinterface; a pressure reducer is installed at the pressure reducer interface; the gas charging interface communicates with the main gas charging channel through the manual control valve; and the maingas charging channel communicates with the low pressure output interface through the manual control valve, the electromagnetic valve and the pressure reducer in sequence. The ultrahigh-pressure hydrogen electromagnetic valve provided by the invention has the advantages of reasonable structure, high integration level, good safety and long service life.

An atomizer nozzle for fuels, particularly for charging a chemical reformer for obtaining hydrogen, features a nozzle body, having spray-discharge orifices discharging into a metering space, and at least one metering aperture, The spray-discharge orifices are situated with a radial directional component with respect to a center axis of the nozzle body at elevation levels, each elevation level having at least one spray-discharge orifice. At least one nozzle body insert, having at least one flow-through opening, is situated in the nozzle body in front of the first elevation step in the direction of fuel flow and/or between the elevation steps.

A process for preparing an amine by reacting a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group of ammonia and primary and secondary amines, in the presence of a supported copper-, nickel- and cobalt-containing catalyst, wherein the catalytically active material of the catalyst, before the reduction thereof with hydrogen, comprises oxygen compounds of aluminum, of copper, of nickel, of cobalt and of tin, and in the range from 0.2 to 5.0% by weight of oxygen compounds of yttrium, of lanthanum, of cerium and/or of hafnium, each calculated as Y₂O₃, La₂O₃, Ce₂O₃ and Hf₂O₃ respectively, and catalysts as defined above.

The invention relates to the field of preparation of biologic oil, and provides a furfural catalytic hydrogenation method under supercritical carbon dioxide and a method for preparing catalysts. The furfural catalytic hydrogenation method under supercritical carbon dioxide comprises the steps that furfural and palladium and carbon catalysts are added to a reaction still, then the reaction still is sealed, hydrogen is introduced into the reaction still to remove the air in the reaction still, liquefied carbon dioxide is injected into the sealed reaction still through a plunger metering pump, the pressure of the carbon dioxide is made to be above the critical pressure when the carbon dioxide is in an overcritical state, furfural catalytic hydrogenation and upgrading are carried out under the overcritical condition of the carbon dioxide, and a needed liquid product is prepared. The method for preparing the palladium and carbon catalysts comprises the steps of pre-processing of a carrier and preparation of the palladium and carbon catalysts (Pd/C catalysts). In the reaction process, the catalysts have no carbon accumulation phenomenon, can be recycled, largely reduce generation of by-products, and improve the selectivity of the products.

The invention discloses a method for synthesizing red fluorogold nano-clusters through photoinduction and application thereof and belongs to the technical field of fluorogold nano-clusters. The methodcomprises the following steps: under a room temprature condition, adding mono(6-mercapto-6-deoxy)-beta-cyclodextrin into chloroauric acid and reacting at a stirring speed of 550 to 600 rmp until a solution becomes colorless, so as to obtain a solution A; slowly adding silver nitrate into the solution A and reacting at the stirring speed of 550 to 600 rmp for 9 to 10 min; then adding lipoic acid to obtain a mixed system B; reacting at the stirring speed of 550 to 600 rmp for 9 to 10 min; then regulating the pH (Potential of Hydrogen) of the solution to 3.5 to 4.5 by adopting hydrochloric acid,so as to obtain a solution B; putting the solution B under LED (Light Emitting Diode) lamplight and reacting for 85 to 90 min, so as to obtain a light yellow solution, i.e., the red fluorogold nano-clusters Au(0)@Au(I)-6-SH-beta-CD. According to the method disclosed by the invention, a photo-reduction method takes mercapto-beta cyclodextrin as a coating agent to synthesize gold nano-clusters; anda synthesis method is simple and can be used for selectively detecting silver ions.