108results about How to "Avoid oxygen" patented technology

The invention discloses a three-dimensional (3D) printer, the 3D printer comprises an X-Y working platform, spray heads installed on the X-Y working platform, light-emitting diode (LED) ultraviolet (UV) light sources, moving supporting frames, a base, fixed supporting frames, a supporting platform and UV resin material-feeding units, wherein the fixed supporting frames and the supporting platform are installed on the base, and the spray heads are connected with the UV resin material-feeding units. Through use of the 3D printer, one-way single-layer printing and one-way multi-layer printing can be carried out, multi-material printing, color printing, coating printing and other effects can be realized, and the printing efficiency is improved by times compared with that of the traditional 3D printers.

An surface treatment apparatus of a substrate can clean a substrate surface in the air without employing a vacuum apparatus, and can remove a natural oxide film or an organic material, such as BTA, from the substrate surface without resorting to plasma cleaning. The surface treatment apparatus includes: an inert gas supply section for supplying an inert gas to the whole or part of a substrate surface to form an oxygen-blocking zone; a heating section for keeping the substrate surface at a predetermined temperature; and a cleaning gas supply section for supplying a cleaning gas to the oxygen-blocking zone to clean the substrate surface.

The invention discloses a method for smelting high-grade non-oriented silicon steel with excellent magnetism. The method comprises the following steps of: 1) smelting, namely smelting the following chemical components: less than or equal to 0.005 weight percent of C, 2.6 to 3.4 weight percent of Si, 0.2 to 0.5 weight percent of Mn, less than or equal to 0.2 weight percent of P, less than or equal to 0.005 weight percent of S, 0.3 to 1.6 weight percent of Al, less than or equal to 0.005 weight percent of N, less than or equal to 0.005 weight percent of O, less than or equal to 0.0015 weight percent of Ti, and the balance of Fe and inevitable inclusions, and modifying ladle top slag in the tapping process of a converter so as to ensure that the ladle top slag comprises 30 to 37 weight percent of CaO, 7 to 20 weight percent of SiO2, 35 to 45 weight percent of Al2O3, 5 to 9 weight percent of MgO, and 0.6 to 2.6 weight percent of T.Fe+MnO when the Ruhrstahl-Heraeus (RH) refining treatment begins; 2) performing RH refining, namely deoxidizing by using ferrosilicon when the decarburization of the RH refining is finished, wherein the adding speed of the ferrosilicon is less than or equal to 12.5kg / ton / min; and 3) adding 0.5 to 2.0 kg of calcium alloy into each ton of molten steel for the denaturation control of inclusions after the deoxidization and alloying are performed through the RH refining.

Disclosed are a flexible display apparatus and a method for producing the same. The flexible display apparatus includes a flexible substrate; a planarization layer which has an area smaller than an area of the flexible substrate and is formed on the flexible substrate; a display device which is formed on the planarization layer; and a protective layer which is provided on the flexible substrate to cover both the planarization layer and the display device.

A sealing structure is provided without irradiating a pixel portion of a light emitting element by heat or UV light. By the sealing structure, the reliability is enhanced by blocking out oxygen and moisture, and preventing the deterioration of the light emitting element. The sealing structure in which a whole surface of the pixel portion is covered with a sealing material and which has an excellent sealing property is manufactured without being exposed to heat or UV light. In this case, a catalyst for curing a sealing material is formed as a film on a substrate, and a sealing material for covering a pixel portion is applied to the other substrate. Then, the both substrates are bonded together.

The invention relates to the technical field of fuel cells, and provides a high-performance bipolar plate with a graphene-reinforced surface for a fuel cell and a preparation method of the high-performance bipolar plate. A titanium bipolar plate is adopted as a substrate, and by adopting magnetron sputtering apparatus and method, a nickel layer or nickel-chromium layer, a first gold layer, a first graphene layer, a second gold layer and a second graphene layer are sequentially deposited on the surface of the self-sputtered and cleaned titanium bipolar plate substrate. The nickel layer or nickel-chromium layer, the first gold layer and the second gold layer which are few in pore defects and uniform in thickness can be prepared; the binding force between the first gold layer and the titanium bipolar plate substrate is improved by using the nickel layer or nickel-chromium layer, so that the problems of reducing the total contact resistance and improving the corrosion resistance of the titanium bipolar plate in the using process are solved; oxygen around the nickel layer or nickel-chromium layer, the titanium bipolar plate substrate and a cathode can be isolated by using the gold layer, so that oxidation of the nickel layer or nickel-chromium layer and the titanium bipolar plate substrate is avoided; and by adopting the graphene layers, the surfaces of the gold layers have high hydrophobicity and the separated carbon particles in the preparation process of graphene have a good pore blocking effect.

A light-emitting element includes an anode; a cathode; a first light-emitting layer that is disposed between the anode and the cathode, the first light-emitting layer emitting light in response to application of voltage between the anode and the cathode; a second light-emitting layer that is disposed between the cathode and the first light-emitting layer, the second light-emitting layer emitting light in response to application of voltage between the anode and the cathode; and a carrier-generating layer that is disposed between the first light-emitting layer and the second light-emitting layer, the carrier-generating layer generating electrons and holes. The carrier-generating layer has an n-type electron transport layer and an electron-withdrawing layer, the n-type electron transport layer contacting the first light-emitting layer and having electron transportability, and the electron-withdrawing layer being disposed between the n-type electron transport layer and the second light-emitting layer and having electron-withdrawing properties.

The invention provides an efficient anti-sticking UV release paint applied to a pressure-sensitive adhesive as well as preparation and application of the efficient anti-sticking UV release paint. The paint comprises the following ingredients in percentage by weight: 3-8% of a photoinitiator, 3-5% of an auxiliary initiator, 20-40% of an active diluent, 15-45% of organic silicon-acrylic resin and 25-45% of non-silicon acrylic resin. The system of free radicals and the cationic composite initiator is adopted, a sensitization effect realized through the synergistic effect of the free radicals and the cationic composite initiator better solves the problems of oxygen inhibition and slow curing caused by the single initiator, meanwhile, the photo-curing speed is high, the solubility is good, the absorption wavelength reaches 390 nm and the paint is an efficient, energy-saving and environment-friendly photo-cured release paint.

The invention discloses a preparation method of a high-performance copper wire. The preparation method includes the following steps that S1, electrolytic copper and charcoal are added in a smelting furnace, copper liquid is obtained, and inert gas is introduced; S2, a copper and chromium intermediate alloy is added into the copper liquid, then zirconium wires, magnesium bars, pure tellurium, pure arsenic and rare earth metal lanthanum and yttrium are added into the copper liquid, and copper alloy melt is obtained; S3, it is detected that components of the copper alloy melt include 0.45%-0.55% of Cr, 0.3%-0.4% of Zr, 0.1%-0.15% of Te, 0.07%-0.12% of La, 0.05%-0.09% of Y, 0.02%-0.04% of As, smaller than or equal to 0.10% of Mg and the balance Cu; and S4, vacuum up-drawing is performed in the copper alloy melt, and after continuous extruding, the high-performance copper wire is obtained. The electrical conductivity of the copper wire prepared through the preparation method reaches 95% IACS or above, and the tensile strength also reaches 550 MPa or above.

The invention relates to polyamide resin with good yellowing resistance and a preparation method thereof. According to the method, by adding an anti-yellowing agent and an antioxidant and using deoxygenation operation treatment, the generation of impurities in the pentamethylene diamine-adipic acid nylon salt is effectively inhibited, and meanwhile, the yellowing resistance of the polyamide resinunder high-temperature and illumination conditions can be improved. The method provided by the invention is low in cost and convenient to operate, does not need excessive adjustment and transformationon the existing equipment, and is suitable for the existing polyamide production process.

A preparation method of pulverized fuel ash containing inhibition slurry for controlling fire in a coal field comprises the step of adding pulverized fuel ash, aluminium phosphate, magnesium chloride, sodium carboxymethylcellulose, sodium silicate and sodium bentonite material in water to prepare high-inhibition and high-temperature-resistance pulverized fuel ash thickening slurry. The prepared thickening slurry is conveyed to a burning coal seam or a coal fracture through a grouting pipeline by a high-pressure screw pump. After a period of time, the inhibition slurry can be thickened and solidified into a solid form. The inhibition slurry can resist high temperature of above 1,000 DEG C, can form a hard blocky structure after evaporation of water, and can closely cover the coal and block the fracture. The pulverized fuel ash containing inhibition slurry is low in cost, safe and environment-friendly, and remarkable in control effect on coal spontaneous combustion fire in the coal field, and has a good application prospect.

The invention discloses an aquatic product transportation system which comprises a box body, a first-stage purifying pond, a second-stage purifying pond, a dissolved oxygen pond, an oxygen cylinder, a fresh water pond, a first water pump and a second water pump. The upper portion of the box body is provided with a box cover. The middle portion of one side wall of the box body is provided with a water outlet. A water pipe is horizontally placed on the bottom surface inside the box body. The box body is communicated with the first-stage purifying pond, the second-stage purifying pond and the dissolved oxygen pond in sequence through the water outlet. The dissolved oxygen pond is communicated with the oxygen cylinder and the first water pump. The fresh water pond is communicated with the second water pump. A water outlet pipe of the first water pump and a water outlet pipe of the second water pump are both communicated with the water pipe which is horizontally placed on the bottom surface inside the box body. Packing is fixed to a stainless steel frame of the second-stage purifying pond. By means of the aquatic product transportation system, cyclic utilization of waste water is realized, the consumption of fresh water is reduced, and the aquatic product transportation system has the advantages that water resources are saved, water containing equipment is small, and the water carrying capacity is low; the situation that oxygen is injected into the box body is avoided, the pressure of the fresh water injected into the box body is reduced remarkably, and panic among aquatic organisms in the box body is avoided.

The invention relates to diacid amine salt, yellowing-resistant polyamide resin and a preparation method of the yellowing-resistant polyamide resin. The dibasic acid amine salt provided by the invention is prepared from deoxygenated water, and has the advantages of high stability, light color and no yellowing. The polyamide resin provided by the invention has good yellowing resistance, and the method effectively inhibits the generation of by-products through anaerobic operation treatment, thereby improving the yellowing resistance of the polyamide material under the conditions of high temperature and illumination. The polyamide resin is lasting in yellowing resistance, the preparation method is low in cost and convenient to operate, existing equipment does not need to be adjusted and modified too much, and the method is suitable for the existing polyamide production process.

An organic light emitting device, and a method of fabricating the same, has a cathode electrode that can prevent oxygen or moisture from infiltrating. The organic light emitting device of the present invention has a lower electrode, an organic thin film layer and an upper electrode successively formed on the substrate. The upper electrode has at least two-layered thin films having different grain density and grain size. A lower film of the at least two-layered thin films of the upper electrode has a first Al thin film having a lower grain density and larger grain size than an upper of the at least two-layered thin films. The upper film has a second Al thin film having relatively higher grain density and smaller grain size than the first Al thin film.

The invention discloses organic silicon modified cationic light cured alicyclic epoxy resin paint and application thereof. The paint comprises the following components: 70 to 100 parts of alicyclic epoxy prepolymer, 1 to 25 parts of organic silicon modified alicyclic epoxy monomer, 0 to 15 parts of a reactive diluent, 0.2 to 1 part of a defoamer, 0.3 to 1 part of a flatting agent, and 0.1 to 2.5 parts of a cationic photoinitiator. The paint has the advantages that acrylic ester is copolymerized into alicyclic epoxy resin prepolymer, and flexible groups are led into the alicyclic epoxy resin prepolymer, so that the toughness is improved; in addition, the organic silicon modified alicyclic epoxy monomer is added, the surface performance and the water and stain resistance of the paint are improved. The paint can be rapidly crosslinked after being irradiated by ultraviolet light, and is energy-saving and efficient. The cured paint has excellent adhesive force and water and stain resistance.

A capacitor element is obtained by chemically converting an anode body comprising a niobium or niobium alloy in an electrolyte solution, which is obtained by dissolving an oxygen supply agent such as hydrogen peroxide, a freezing point depressant such as ethylene glycol, and an electrolyte such as phosphoric acid in water, at a solution temperature lower than the freezing point of a solution having the composition of the electrolyte solution excluding the freezing point depressant, for forming a dielectric layer in the surface of the anode body or repairing a dielectric layer formed in the surface of the anode body. An electrolytic capacitor is obtained by forming a cathode on the dielectric layer of the capacitor element, electrically connecting the anode body and the cathode respectively to external terminals, and then sealing them.

The invention provides a fluorine-containing benzophenone derivative and a preparation method and application thereof. preparation method of the derivative is as follows: taking 2,4- Dihydroxybenzophenone as raw material with 3,4,5-Two fluorine-containing benzophenone derivatives 1 and 2 were synthesized by the reaction of trifluorobenzoyl chloride. The invention has the advantages of simple preparation, mild reaction and high yield. Derivative 1 can effectively absorb ultraviolet light of 250-360nm, which not only enhances the light stability of UV-curable coatings and coatings, but also has good compatibility with resin or monomer, and has no odor. It is also beneficial to ultraviolet light. Storage of cured coatings. The derivative 2 introduces a fluorine atom on the basis of the benzophenone structural skeleton, and can utilize low surface chemical energy of the fluorine atom to enrich the compound to a surface and accelerate surface polymerization, thereby suppressing an oxygen inhibition phenomenon. The two derivatives synthesized by the present invention can be used as an ultraviolet light absorber and an ultraviolet light initiator, respectively, in the field of photocurable compositions such as paints, inks, adhesives and the like.

The invention discloses a photocuring micro-fluidic chip based on an elastic support body and a preparation method and application thereof, the photocuring micro-fluidic chip comprises a channel structure layer and a sealing layer, the channel structure layer comprises a photocuring layer containing a channel structure and an elastic support body used for supporting the photocuring layer; the elastic support body and the photocuring layer are connected through covalent bonding or adhesion; the photocuring layer containing the channel structure is formed by covering a mold with a photocuring raw material and curing after light irradiation; the elastic support body comprises a body layer and a selectively added connecting layer. The photocuring micro-fluidic chip has no special limitation on photocuring materials and mold types so that the whole chip processing process can be carried out at room temperature in an atmospheric environment; in addition, punching, sealing, cutting, external pipeline connection and the like of the chip are simpler, more convenient and quicker, so that the chip is suitable for carrying out design and development of a micro-fluidic chip prototype in a conventional laboratory, and also has good batch production potential.

The invention discloses a modified benzophenone photo-initiator represented by a formula (I). In the formula, R is polyol residue, R1 is hydrogen or methyl or ethyl or other small-molecular organic groups. According to the novel benzophenone photo-initiator, polyol is adopted as a connection agent connecting a plurality of benzophenone molecules in a molecule, such that the photo-initiator with relatively large molecular weight and with a star or spherical structure is obtained. With the star or spherical structure, large molecular weight and a large number of photoactive groups in the molecule, the photo-initiator provided by the invention has high initiation efficiency. Defects of easy migration, high odor and oxygen polymerization inhibition of single small-molecular benzophenone photo-initiators can be effectively solved. With the excellent comprehensive performances, the photo-initiator can be put in an important position in future light curing market.

The invention discloses a perfluoroalkyl sulfamide active amine acrylate compound and a preparation method. The structure of the compound is as shown in a formula (M) in the specification, wherein n=1-10, an R1 group comprises at least one (methyl) acrylate double-bonded structure, an R2 group comprises H atoms, the R1 group, alkyl with 1-8 carbon atoms or trimethylene alkylamine formed by combining R2 with R3, an R3 group comprises alkylene with 2-12 carbon atoms, an R4 group comprises H atoms or the R1 group, n=1-18 in a fluorocarbon chain, and preferably, n=8-12. The monomer is connected into the fluorocarbon chain through sulfamide bonds and accordingly achieves low surface tension, so that the monomer can float to the surface of a coating / ink layer in a photocurable coating formula system, and surface oxygen inhibition of a photocurable coating can be effectively inhibited. Besides, the photocurable coating is used with a hydrogen abstraction photoinitiator, photoinitiator conversion can be effectively accelerated, surface curing is perfected, the photocurable coating is high in surface firmness, and fouling and wiping resistance is remarkably improved.

An automatic filter press of diaphragm malt extract and its process for saccharifying wort and filtering beer are disclosed. The process is carried out by shutting up malt filter press, retaining pressure automatically, charging stocks, filling wort into filter press by down-wort pump fast, pumping wort into from feed opening at one side of filter-pressing board bottom, filter pressing, filling filter press with wort, running malt extract out of liquid outlet at another side, flowing into boiler through balancing tank, inspecting non-material by mashing tub, shutting up down-wort pump automatically, filtering malt extract, blowing while extruding tank layer by diaphragm, press drying for tank layer, washing tank, pumping tank-washing water by down-wort pump, passing through tank layer and running out, reaching tank-washing water to a certain account, shutting up down-wort pump automatically, re-blowing while extruding tank layer from diaphragm, press drying for tank layer, opening exhaust valve of pipeline, discharging compression air in diaphragm board, opening filter board and dropping malt wort into bucket automatically.

The invention provides a UV cured type pressure sensitive adhesive. The UV cured type pressure sensitive adhesive comprises the following components in parts by mass: 70-90 parts of monofunctional amine modified polyurethane acrylate resin, 0.1-2 parts of a cross-linking agent, 5-30 parts of tackifying resin and 2-10 parts of a photoinitiator. By the prepared pressure sensitive adhesive, the shortcoming that the surface of a cured film has micromolecules due to oxygen inhibition of the conventional UV type pressure sensitive adhesive is overcome; a tertiary amine structure is introduced in a molecular chain structure of resin, so that the monofunctional amine modified polyurethane acrylate resin is synthesized; by the tertiary amine structure, the problem of the oxygen inhibition in an acrylate double bond reaction process can be solved, the surface curing degree of the pressure sensitive adhesive is improved, and the shortcomings that by the conventional pressure sensitive adhesive, a large number of micromolecules remain on the surface of the cured film, and therefore, the peel strength is reduced are overcome.

The invention belongs to the field of printing ink, and more specifically relates to a dual-cured glass ink, and a preparation method thereof. The dual-cured glass ink comprises the following raw materials in parts by weight: 50 to 80 parts of a dual-cured organic silicon resin matrix, 0 to 20 parts of a light-cured resin, 10 to 20 parts of a light-cured monomer diluent, 0 to 15 parts of an aminecuring agent, 0 to 20 parts of a pigment and 2 to 10 parts of a photoinitiator. The dual-cured glass ink disclosed by the invention has the characteristics of energy conservation, high efficiency, environmental protection and the like while effectively improving the adhesion, scratch resistance and wear resistance of existing glass ink, has the advantage of good comprehensive performance, and hasa wide application space.

A solid electrolytic capacitor has an anode composed of a niobium substrate and a niobium nitride layer, and a dielectric layer composed of niobium oxide is formed on the surface of the niobium nitride layer. In the solid electrolytic capacitor, the nitrogen content based on the total weight of the niobium substrate, the niobium nitride layer, and the dielectric layer is preferably not less than 0.001% by weight nor more than 0.2% by weight. In another solid electrolytic capacitor, an anode is formed by sintering thermally treated niobium powder in a nitrogen atmosphere. A dielectric layer composed of niobium oxide is formed on the surface of the anode. In the solid electrolytic capacitor, the composition ratio X of the niobium powder (NbNX) is preferably not less than 0.05 nor more than 1.0.

The invention provides remelting refining slag and a method for applying the remelting refining slag to electroslag remelting of high-Al and high-Ti alloy steel. The remelting refining slag comprises components in parts by weight as follows: 45-50 parts of CaF2, 15-20 parts of Al2O3, 15-20 parts of CaO, 8-10 parts of TiO2 and 5-7 parts of MgO. According to the method, firstly, the refining slag and a deoxidizing agent are roasted at 650-800 DEG C in a heat-insulated manner for 9-13 h, the high-Al and high-Ti alloy steel is used as a consumable electrode, the deoxidizing agent and the roasted remelting refining slag are added to a slag melting furnace to be melted, then the completely melted deoxidizing agent and remelting refining slag are poured into an electroslag remelting furnace, the electroslag remelting furnace is assembled, the voltage is adjusted to range from 60 V to 65 V, the current is adjusted to range from 9,500 A to 15,000 A, and remelting smelting is performed on the consumable electrode under protection of an inert gas. Al and Ti of steel ingots produced through the method are qualified in content and are evenly distributed.

The invention relates to high-temperature-resistant dual-curing three-proof glue. Based on 100 parts by weight of adhesive composition, the high-temperature-resistant dual-curing three-proof glue mainly comprises the following components in parts by weight: component A: 60-99 parts of one or more polydimethylsiloxane with the terminal group containing bialkoxy groups and mono(methyl) acrylate groups simultaneously; component B: 0.5-10 parts of one or more silane coupling agent; component C: 0.5-8 parts of one or more cracking type photoinitiator; component D: 0.01-3.0 parts of organic-tin or organic-titanium condensation catalyst. The adhesive composition is especially applicable to three-proof application of the electronic industry, i.e., water proof, dust-proof and shock-proof, and has excellent bonding property for PCB plastic substrates; in a formula, an organic-silicon structure is designed as the main body, and has excellent heat resistance, and the heat-resistant temperature canreach 250 DEG C in a short time.