284results about How to "Unresponsive" patented technology

The invention discloses a high-temperature-resistant nuclear-shell structure type flame retardant, and a preparation method and an application thereof. The flame retardant takes polymethyl-phenyl siloxane modified epoxy resin as a capsule material and takes ammonium polyphosphate as a capsule core. The preparation method comprises the following steps of: mixing bisphenol A-type epoxy resin, polymethyl-phenyl siloxane and a catalyst, reacting for 3-5 hours at the temperature of 120-140 DEG C and obtaining the polymethyl-phenyl siloxane modified epoxy resin; then suspending ammonium polyphosphate powdery particles in a dispersing agent, adding the polymethyl-phenyl siloxane modified epoxy resin and a curing agent, stirring and reacting for 1-4 hours at the temperature of 60-100 DEG C, after the reaction is finished, stirring, reducing the temperature, suction filtering, drying and obtaining the high-temperature-resistant nuclear-shell structure type flame retardant. Compared with the traditional IFR (intumescent flame retardant) system, the flame retardant has better performances such as compatibility, flame retardance and water resistance; simultaneously the capsule material and the capsule core have the flame-retardant synergistic effect; and since the reaction area is increased, compared with the uncovered complex flame-retardant system, the microencapsulated expansion type flame retardant has higher flame-retardant efficiency.

The invention discloses a self-circulation micro-fluidic chip, as well as a preparation method and a usage of the self-circulation micro-fluidic chip. The micro-fluidic chip comprises a microfluid layer, an electroosmosis driving layer and a chip base layer from top to bottom, wherein the electroosmosis driving layer defines a microfluid flow channel and a wide/narrow electrode liquid metal flow channel with the microfluid layer and the chip base layer respectively; the microfluid flow channel and the wide/narrow electrode liquid metal flow channel are independent and are filled with a to-be-driven solution and a liquid metal respectively; the electroosmosis driving layer and the wide/narrow electrode liquid metal flow channel are interdigital; the lower surface of the electroosmosis driving layer is completely covered with the wide/narrow electrode liquid metal flow channel; the upper surface of the electroosmosis driving layer is exposed in the microfluid flow channel; and the two ends of the wide/narrow electrode liquid metal flow channel are communicated with a power supply via four metal electrodes. The micro-fluidic chip has the advantages of small size, high integration level, portability, good stability and the like, is low in preparation cost and wide in application scope, and a preparation technology of the micro-fluidic chip is also very simple and practicable.

The invention discloses a nanometer material contained ladle bottom argon blowing permeable brick and a preparation process thereof. The permeable brick comprises components of high-purity corundum, spinel, alpha-Al2O3 micro powders, nano calcium carbonate, Si powders, binding agents and antiknock agents. The preparation process of the nanometer material contained ladle bottom argon blowing permeable brick includes the following steps of dosing, fine powder premixing, stirring, vibration forming, curing with molds, demolding, drying and baking. According to the nanometer material contained ladle bottom argon blowing permeable brick and the preparation process thereof, Cr2O3 is not used, and during usage, new pollutants are not generated, so that pollution treatment costs are reduced, and high environmental benefits are achieved; micropores are evenly distributed in the brick, so that cracks are effectively prevented from continuing spreading during usage, the toughness of the permeable brick is improved, the spalling is reduced, the service life of the permeable brick is prolonged, the permeable brick is basically free from bonding slag after usage, cleaning during usage is reduced, and production costs of iron and steel enterprises are reduced.

The invention discloses a water-solubility macromolecular chelant containing sulfourea group and a preparation method thereof. The chelant of the invention is prepared by the following method: (a) adjusting the pH value of formaldehyde with acid liquor to activate the formaldehyde; (b) adding the sulfourea, adjusting the pH value with alkali, and reacting at the temperature of 75-90 DEG C; (c) adjusting the pH value with the acid, adding the alcoholic solution of benzene sulfonyl chloride to react at 70-90 DEG C; (d) reducing temperature to 50-60 DEG C, adjusting the pH value with the alkali, and reducing the temperature to below 40 DEG C to prepare the chelant. The chelant of the invention has chelation sedimentation function to almost all of the transition stated heavy metals, which can not only be used in the treatment of the heavy metal sewage containing copper, zinc, nickel, mercury, cadmium, and the like, but also can be used in the stabilization treatment of the heavy metal in the solid wastes such as mud, waste incineration flying ashes, and the like. The preparation method of the invention has the advantages of no need of high temperature and high voltage, low one-time investment, easy availability of raw materials, and zero waste gas, waste liquid and waste residue in the production process.

The invention discloses an anode material for a lithium-ion battery and a negative plate of the anode material. The anode material is formed by mixing soft carbon-coated natural graphite and synthetic graphite at a certain mass ratio; and the preparation method comprises the following steps: dissolving the natural graphite and soft carbon at the certain mass ratio into an organic solvent; filtering and drying the organic solvent after long-term mixing and stirring, putting the dried mixed powder into a muffle furnace filled with nitrogen for protection, carrying out low-temperature roasting, and then naturally cooling the dried mixed powder to obtain soft carbon-coated natural graphite powder; and mixing the coated natural graphite and the synthetic graphite in a negative electrode pulping process at the certain mass ratio. According to the anode material prepared by the method, the cycle performance is greatly improved under the premise of ensuring a high specific capacity; and the energy density and the cycle lifetime of the lithium-ion battery are ensured.

The invention discloses a flexible water system zinc ion battery. The flexible water system zinc ion battery comprises a cathode layer, an anode layer, a current collection layer, a diaphragm and an aqueous electrolyte. The current collection layer comprises a breathable layer and a substrate layer, the substrate layer is provided with at least one opening holes. The perforated structure of the breathable layer and the substrate layer solves the problems of gas generation and electrolyte drying in the battery circulation process, so that the internal and external gaseous water of the battery reaches the states of circulation exchange and dynamic balance, and the circulation performance of the battery is greatly improved; and the assembled flexible water system zinc ion battery has the advantages of light weight, thin thickness, low cost, environmental friendliness, high safety, good rate capability, high power density and the like, and the excellent bending performance and flexibilityof the flexible water system zinc ion battery can meet the bending requirements of different angles, so that the flexible water system zinc ion battery is suitable for large-scale application and industrial production in the field of wearable electronic equipment.

The invention relates to a negative electrode piece of a lithium ion battery and a fabrication method of the negative electrode piece. The negative electrode piece of the lithium ion battery comprises a negative electrode current collector, a negative electrode material layer and a soft carbon layer, wherein the negative electrode material layer is applied onto the current collector, and the soft carbon layer is applied onto the negative electrode material layer. The fabrication method of the negative electrode piece of the lithium ion battery comprises the following steps of preparing a negative electrode paste; coating the negative electrode paste; preparing a soft carbon paste; coating the soft carbon paste; and grinding the negative electrode piece. By uniformly applying the soft carbon paste onto the negative electrode material layer, the compatibility of the negative electrode piece and an electrolyte can be improved, the side reaction of a negative electrode and the electrolyte is reduced, the expansion of the negative electrode also can be reduced to a certain extent, thus, the cycle performance of the battery is improved, and meanwhile, the low-temperature performance of the battery is further improved.

The invention discloses a method for preparing inertia high-boiling silicone oil from organic silicone high-boiling residues. With organic silicone high-boiling residues as the reaction raw material, the method includes the four steps of hydrolysis, hydrosilylation, neutralization, and devolatiligation and decoloration. The organic silicone high-boiling residues as the raw material are rectified high-boiling residues or decomposed high-boiling residues. The rectified high-boiling residues are high-boiling residues obtained by separating dimethyldichlorosilance out of the organic silicone high-boiling residues in advance through rectification. The decomposed high-boiling residues are high-boiling residues obtained by decomposing the organic silicone high-boiling residues in advance through a decomposing device and separating out monosilane. The decomposed high-boiling residues or rectified high-boiling residues which are difficult to process and use are used as the raw material, and the inertia high-boiling silicone oil which is controllable in viscosity, low in activity and high in stability is prepared through hydrolysis, addition and other reaction. The method is controllable in reaction process, simple in post-processing method, conventional in reaction device, high in production efficiency, stable in product quality and suitable for large-scale industrial production.

The invention discloses a method for deacidifying paper by using soluble tetraborate as paper deacidifying agent. Tetraborate aqueous solution with different concentrations and organic solvents in different types are mixed together; paper, especially acidified and aged paper, is deacidified by adopting a plurality of modes such as immersion, spraying, atomization or supercritical treatment; the soluble tetraborate serving as the paper deacidifying agent for deacidifying the paper can control the pH value of the paper within an ideal range, and diffusion of ink marks and color change of the paper can be avoided in the deacidifying process; furthermore, all the mechanical strengths of the paper are enhanced during deacidifying; the tetraborate has a certain function of restraining microorganisms; therefore, after the paper is treated by the tetraborate solution, the durability of the paper is improved obviously.

The invention discloses a ternary material with a stable dual-core-shell structure and a preparation method thereof. The ternary material is doubly coated with an acidic metal material and a porous polymer material, the existing washing and drying processes are omitted in process, and meanwhile, the porous polymer material is uniformly coated on the surface of the positive electrode material by using a spray centrifugal coating machine, so the stability of the ternary material is enhanced, the content of residual alkali on the surface is reduced, and the material is enabled not to react with H2O and CO2 in the air, so the material is easy to store; after the positive electrode material is prepared into the lithium ion battery, the sufficient contact between the positive electrode and an electrolyte is ensured by the porous structure, and the capacity and the cycling stability of the lithium ion secondary battery are effectively improved.

A forming method of a semiconductor structure includes the steps: providing a substrate with fins on the surface, wherein the surface of the substrate and the surface of part of sidewalls of the fins are equipped with dielectric layers, and the surfaces of the dielectric layers are lower than the top surfaces of the fins; forming first protective layers on the surfaces of the dielectric layers, the surfaces of the sidewalls of the fins and the surfaces of the bottoms of the fins through a deposition technology, the density of the first protective layers being higher than the density of silicon oxide; forming second protective layers on the surfaces of the first protective layers through an oxidation technology; forming mask layers on the surfaces of the second protective layers, wherein the mask layers enable part of the second protective layers on the surfaces of the fins to be exposed, and the second protective layers are used for isolating the first protective layers from the mask layers; doping ions inside the fin through an ion implantation technology with the mask layers being masks; and removing the mask layers, the second protective layers and the first protective layers after the ion implantation, and exposing the surfaces of the dielectric layers, and part of the sidewalls and the bottom surfaces of the fins. A semiconductor structure formed through the method has a good shape, and has an accurate and uniform critical dimension.

The invention discloses a high-temperature-resistant and energy-saving coating for preventing infrared emissivity attenuation. The coating is prepared from, by weight, 30-40 parts of high-temperature and high-radiation powder, 10-20 parts of quartz powder, 5-10 parts of super-high-temperature additive, 30-50 parts of bonding agent, 10-20 parts of solvent, 0.1-0.2 part of dispersant, 0.15-0.3 part of coupling agent and 0.05-0.15 part of defoaming agent. The invention aims to form a stable ternary structure inside the coating and hinder internal crystal development and growth when the coating is used at high temperature for a long time. On one hand, the infrared emissivity attenuation of the coating due to crystal growth can be reduced; on the other hand, the phenomena such as coating cracking and piece dropping produced by sintering and shrinkage can be prevented, the service life is prolonged, and the infrared emissivity attenuation is effectively prevented.

The invention relates to an industrial preparation method of theaflavin, which comprises the following steps: (1) preparing an ethyl acetate solution containing rich tea polyphenol; (2) respectively adding pulverized fresh tea leaves and the ethyl acetate solution into a oxidation-fermentation tank, orderly adding ethyl acetate and a buffering solution, introducing air at normal temperature, and stirring, oxidizing and fermenting to obtain the theaflavin ester-phase solution; (3) filtering the theaflavin ester-phase solution, concentrating and washing to remove impurities; (4) concentrating the water-phase solution, and spray-drying to obtain low-specification dry theaflavin powder; (5) concentrating the ester-phase solution to recycle ethyl acetate, and adding water so that the theaflavin is dissolved in the water; (6) centrifugally filtering the theaflavin water solution to obtain a pure theaflavin solution; (7) and concentrating the theaflavin solution, and spray-drying to obtain the dry theaflavin powder. The method of the invention simultaneously enhances the yield and the quality of the theaflavin, saves the energy and the man hours and reduces the emission of waste water.

The invention relates to an electrochemical high-grade oxidation apparatus, which belongs to the field of sewage processing. The high-grade oxidation apparatus comprises a front security filter, an adjusting water storage tank, DC stabilized power supply, a high-grade oxidation pool, an electrode, a waste water internal circulation system, and an air floatation defoaming zone. the electrode is positioned in the high-grade oxidation pool, the upper end of the high-grade oxidation pool is the air floatation defoaming zone; an anode of the electrode is the microporous tubular-type active electrochemical membrane anode; an anode matrix is the microporous titanium black ceramic tube, the active electrocatalysis layers are arranged on the surface of the matrix and in the micropore, the active electrocatalysis layer is a mixing layer of IrO2, Ti4O7 and SnO2; one end of the electrode anode ceramic tube is taken as a water inlet, and the other end is enclosed; and the waste water internal circulation system is taken as the water inlet of the electrode anode and is communicated with an internal circulation water outlet of the oxidation pool at the side surface of the high-grade oxidation pool corresponding to an anode enclosed end through a pipeline and an internal circulation booster pump. The electrochemical high-grade oxidation apparatus has the characteristics of little electrode amount, strong mass transfer capability, high degradation efficiency and low processing cost.

The invention discloses a phase-change material packaging process and a phase change heat storage product prepared by using the process. The phase change heat storage product comprises a spherical silica gel shell and a sphere prepared from a phase-change material, wherein the sphere is arranged in the spherical silica gel shell. The packaging process is simple, can realize packaging of phase-change materials with phase-change temperatures in a range of 100 to 200 DEG C and has the advantages of a good packaging effect, low cost and easy realization. The product provided by the invention is ingeniously designed, fully utilizes the characteristics of high temperature resistance, aging resistance, no toxicity, uneasy reaction with acid and alkaline substances and the like of silica gel and enables a packaged phase-change material to be used for a long time during heat storage; moreover, heat conduction powder is added, so good heat conductivity is obtained, the phase-change material is allowed to realize effective heat exchange with the outside, the utilization rate of energy is increased, and energy conservation and environmental protection are benefited. Since the product employs spherical structure design, the product can be more easily put into a variety of heat storage tanks or heat exchange apparatuses, which is beneficial for wide popularization and application of the product.

The invention relates to a composite membrane taking carboxylate ion as a fixed carrier and a preparation method thereof. Polysulfone or polyethersulfone ultrafiltration membrane is taken as a basic membrane; after pre-treated, membrane casting solution prepared from the raw materials of sodium acrylate and allylamine is coated on the basic memberane, and is dried to obtain facilitated transport composite membrane taking carboxylate ion as the carrier. The invention has simple method, low cost and favourable membrane forming ability, and has the following main parameters: the infiltration rate of CO2 is 180*10cm(STP)/cm.s.cmHg; the highest separation factors of CO2/CH4(volume ratio 10:90) and CO2/N2( volume ration 20:80) are respectively 90 and 150; the infiltration rate of H2S is as high as 1190*10cm (STP)/cm.s.cmHg, and the separation factor of H2S/CH4 (volume ration 5:95) is as high as 805.

The present invention discloses a donkey-hide gelatin cake. The donkey-hide gelatin cake consists of the following raw materials: 450-650 parts of donkey-hide gelatin, 450-650 parts of yellow rice wine, 350-450 parts of walnuts, 450-550 parts of black sesame seeds, 130-200 parts of crystal sugar, 350-450 parts of red jujubes, 110-190 parts of longan meat and 100-150 parts of Chinese wolfberry fruits. By rationally combining each of the raw materials, the effectiveness is combined. The donkey-hide gelatin cake has efficacies of supplementing qi and tonifying blood, beautifying features and nourishing skins, nourishing yin and supplementing kidneys, moistening intestines and relaxing bowels, consolidating basis, regulating qi and relieving depressions, improving sleep, regulating menstruation and relieving pain, and preventing miscarriage, can be used to treat the symptoms of qi and blood deficiency, dizziness, palpitations and insomnia, yellow face and white lips, energy fatigue, appetite loss, lung dryness and cough, female menstruation pain, frozen hands and feet, abnormal vaginal discharge, etc., and can prevent osteoporosis, prevent senile diseases, prevent climacteric syndrome, delay aging, enable hair to be black and bright, and improve immunity in a long-term use.

The invention proposes a new usage for nanometer zinc oxide as an animal fodder additive. As a feed zinc source, the nanometer zinc oxide has the advantages of high bioavailability, small additive dosage and stable quality and hard reaction with other components, etc. As the feed additive, the nanometer zinc oxide can effectively supplement the demand of the animals on zinc, promote the animals to healthily grow and enhance the feed use efficiency, can effectively lower the occurrence of the diarrhea of the piglets and avoid causing the drug residue in the livestock products by the use of the antibiotics. With low use dosage, the invention reduces the contamination of the environment caused by the animal excrement. The nanometer zinc oxide promotes the growth, enhances the feed efficiency, replaces the antibiotics as the growth promoters, eliminates the residue of the antibiotics in the animal products, reduces the environmental contamination and produces the pollution-free animal products.

The invention discloses an evaporation plating device and an evaporation plating method. The evaporation plating device comprises a film plating chamber, a crucible which is arranged at the bottom ofthe film plating chamber and used for containing and heating film plating materials and a fixture which is arranged on the top of the film plating chamber, is opposite to the crucible and is used forclamping a to-be-plated product; and the bottom of the film plating chamber is provided with at least one first air inlet hole, inert gas is introduced into the film plating chamber through the firstair inlet holes, and the film plating chamber is provided with at least one exhaust hole. The film plating materials are heated to be sublimated and gasified, diffused out from the crucible and then driven by the inert gas to quickly move towards the to-be-plated product, the film plating speed is higher, and the production efficiency is high. In the evaporation plating material gasifying and moving process, the evaporation plating materials can be mixed uniformly through the inert gas, therefore, the density of all areas of the evaporation plating materials is more consistent before the evaporation plating materials are plated on the to-be-plated product, the film plating uniformity is good, the film forming quality is better, and the precision is higher.

The invention relates to a system and a method for reducing the ash content of pyrolysis carbon black of waste tires and recovering Zn. The system comprises a distillation chamber, a first condensation tower and a second condensation tower which are sequentially connected, wherein the first condensation tower is also connected with a zinc collecting tank; the second condensation tower is also connected with an oil collecting tank and a tail gas treatment device; and the distillation chamber is connected with a vacuum pump. According to the method disclosed by the invention, the pyrolysis carbon black is reprocessed by using a vacuum distillation chamber, carbon black and zinc oxide in the pyrolysis carbon black are subjected to a carbothermic reduction reaction under a high-temperature vacuum environment to generate zinc and vaporize at a high temperature, condensation recovery is realized, and residual oil in the carbon black is removed by high-temperature vaporization at the same time; according to the method disclosed by the invention, the ash content of the pyrolysis carbon black can be reduced, the performance of the pyrolysis carbon black is greatly improved, meanwhile, the purposes of recovering zinc and removing excess oil are achieved, the treated carbon black achieves the purposes of deodorization and oil removal, the ash content of the treated carbon black can be obviously reduced, and the recovery rate of crude zinc and oil is high.

The invention relates to a crucible cover plate for a polysilicon ingot furnace and a cover plate surface coating method. The crucible cover plate for the polysilicon ingot furnace and the cover plate surface coating method have the advantages that a dense SiC coating high in bonding strength is prepared on the outer surface of the cover plate made of carbon-carbon composites by a technological method combining chemical vapor deposition with high-temperature treatment, so that carbon content of polysilicon ingots is reduced, service life of the cover plate is prolonged and the method is particularly applicable to development and application of the cover plate for the polysilicon ingot furnace.

The invention discloses silyl ether mixed defoaming agent emulsion and a preparation method thereof. The silyl ether mixed defoaming agent emulsion is prepared from the following components: linear simethicone, allyl ether modified polysiloxane, polyoxypropylene glyceryl ether, modified white carbon black, triethanolamine and a compound emulsifier. The preparation method comprises the following steps: uniformly mixing the linear simethicone and the modified white carbon black, and heating to obtain a mixture I; adding triethanolamine into the mixture I, stirring and cooling to obtain a mixture II; adding the allyl ether modified polysiloxane and the polyoxypropylene glyceryl ether, and further stirring to obtain a mixture III; adding the compound emulsifier into the mixture III, and stirring at high speed to obtain coarse emulsion; adding thickening water into the coarse emulsion, and preparing raw emulsion; and pouring the raw emulsion into a high-speed homogenizer for stirring to obtain the fine-smooth and stable emulsion. The defoaming agent easily dissolves in water, and is small in specific surface area, high in defoaming speed, lasting in foam inhibition and small in use amount; the preparation method is convenient and easy to operate; the defoaming agent has no toxic effects on microorganisms, has an effect of promoting the growth of mycelia, is beneficial to microbial fermentation and is relatively environmentally friendly.

The invention belongs to the technical field of non-ferrous metal precision casting, and particularly relates to a titanium alloy investment casting precision casting method for a product with a narrow cavity and a complicated structure. The method comprises the following steps of preparing surface course calcium carbonate composite slurry, coating a wax mold surface course, preparing the slurryof a reinforcing layer, preparing a reinforcing layer shell, preparing a secondary reinforcing shell and roasting. The method can realize the effective control of the quality of a precision casting mold shell of the product with the narrow cavity and complicated structure, and the quality of a titanium alloy casting product is improved significantly; the casting slurry has good stability, low cost, good inertia and high strength; the prepared shell and wax mold have high bonding strength, high density and good quality, so the chance of running out of the narrow and small cavity of the castingcan be avoided; the mold shell and the titanium alloy are not easy to react and fall off, and the control of no inclusions in the casting can be realized.

The invention relates to a method for preparing a nitrogen-doped P-type zinc oxide film in one step by using nitrogen as a direct doping source, namely a magnetron sputtering method. In the magnetron sputtering process, metallic zinc is used as a target, argon is used as a sputtering gas, and oxygen and nitrogen are used as reaction gases; when the vacuum degree of a magnetron sputtering chamber reaches 10<-4>Pa, argon, oxygen and nitrogen in a certain ratio are introduced; and in the magnetron sputtering plating process, magnetron sputtering plating is performed under the condition that working air pressure, sputtering powder, substrate bias and plating time are kept at certain values, subsequent thermal treatment is not needed, and the nitrogen-doped P-type zinc oxide film is obtained by a direct one-step method. By the method, the nitrogen source doping problem of the zinc oxide film prepared in the prior art and complexity in thermal treatment needed after plating are solved, and control of related parameters of the thermal treatment is reduced. The method is simple; and because the nitrogen is used as the direct doping source, the reliabilities of the gases and the working parameters are strong, the quality of the film is good, and the resistivity can be well controlled in a certain range. Moreover, the P-type zinc oxide film is prepared by the one-step method.