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Process for preparing precursor fiber of cellulose base carbon fiber
InactiveCN1587457AImprove thermal stabilityImprove carbonization yieldMonocomponent cellulose artificial filamentFiberCarbon fibers
The present invention relates to preparation process of precursor fiber of cellulose base carbon fiber in chemical fiber production. The preparation process includes mixing concentrated NMMO aqua and carbon black for carbon black water in the weight ratio of 20-10000, decomprssion distillation to obtain NMMO / carbon black solution with water content 24-28 wt%, adding the mixtue of sliced cellulose pulp and NMMO / carbon black solution in the weight ratio of 5-15 to 100 into dissolving reactor, swelling and stirring at 70-90 deg.c, raising the temperature to 90-120 deg.c, stirring and decomprssion distillation to eliminate water and form cellulose / NMMO / carbon black spinning liquid with water content of 12-14 wt%, and dry-wet spinning to obtain the precursor fiber. The present invention has high carbonizing yield, high mechanical performance of the carbon fiber, raised spinnability of the spinning liquid, non-toxic solvent, high solvent recovering rate and environment friendship.
Owner:DONGHUA UNIV
Water-based airplane surface cleaning agent and preparation method thereof
ActiveCN101955854AThe formula is scientific and reasonableSimple production processInorganic/elemental detergent compounding agentsOrganic detergent compounding agentsWater basedSurface cleaning
The invention relates to a water-based airplane surface cleaning agent, which is prepared by uniformly mixing the following components in percentage by weight: 21 to 30 percent of degradable surfactant, 5 to 7 percent of metal corrosion inhibitor, 0.3 to 2 percent of pH regulating agent, 1.7 to 5 percent of stabilizer, and the balance of deionized water. A preparation method comprises the following steps: (1) weighing the pH regulating agent, the degradable surfactant, the metal corrosion inhibitor, the stabilizer and the deionized water according to the ratio of weight percent; (2) adding the pH regulating agent, the metal corrosion inhibitor, the degradable surfactant and the stabilizer into the deionized water at the room temperature of between 23 and 25 DEG C; and (3) stirring the liquid at constant speed of 60 to 80r / min for 20 to 40 minutes to ensure that no bubble is generated in the liquid to prepare the cleaning agent after uniform mixing. The invention has scientific and reasonable formula and simple process without special equipment, and the cleaning agent has the advantages of strong cleaning capability, short cleaning time, low cost, high efficiency and is safe and reliable for use.
Owner:BEIJING KAILAN AVIATION TECH CO LTD
High-hardness and high-elasticity-modulus multi-component nitride coating and preparation method thereof
InactiveCN106835037AIngredient ControlHigh hardnessVacuum evaporation coatingSputtering coatingSputteringAlcohol
The present invention is a multi-component nitride coating with high hardness and high elastic modulus. Its chemical formula is AlCrTiZrNbN, and the atomic ratios of Al, Cr, Ti, Zr, Nb and N are respectively 8-12%: 8-12 %: 8~12%: 8~12%: 8~12%: 48~52%, the thickness of the coating is 2~5μm. The present invention also provides a method for preparing the above-mentioned nitride coating. Firstly, the surface of the substrate is subjected to mirror polishing, then ultrasonically cleaned with acetone and alcohol, and after vacuum ion cleaning, the AlCrTiZrNbN layer is deposited by radio frequency reactive sputtering, wherein AlCrTiZrNbN is mostly The component nitride coating is composed of AlCrTiZrNb alloy target with equiatomic molar ratio in (Ar+N 2 ) atmosphere prepared. The coating of the invention has high hardness and high modulus of elasticity, and can be used as a novel protective coating for various service occasions such as cutting tools and molds.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Wear resistant sole material
InactiveCN103483677ADoes not affect elasticityDoes not affect resilienceSolesEnvironmental resistanceFoaming agent
The invention relates to a wear resistant sole material. The wear resistant sole material comprises, by weight, 35-45 parts of EVA, 4-8 parts of styrene butadiene rubber, 1-8 parts of butadiene rubber, 1-4 parts of a vulcanizing agent, 2-5 parts of a reinforcing agent, 1-4 parts of an activator, 1-4 parts of an accelerant and 0.5-3 parts of a foaming agent. The wear resistant material greatly improves the wear resistance of a sole without influencing the elasticity, the resilience, the portability or the like of the sole, and also has the advantages of non-toxicity, no pollution, safety and environmental protection.
Owner:KUNSHAN CHUNBAI PRECISE HARDWARE CO LTD
Method for manufacturing high-conductivity conductive plastic bipolar plate for vanadium cell
InactiveCN102683723ASimple processStrong continuous processingCell electrodesEngineeringHigh intensity
The invention relates to the field of manufacturing vanadium cells, in particular to a method for manufacturing a high-conductivity conductive plastic bipolar plate for the vanadium cell. The method comprises the steps of: uniformly mixing a conductive plastic raw material in a high-speed mixing machine, mixing through a double-screw extruder to manufacture master batches, adding the manufactured master batches to a single-screw extruder, and carrying out extrusion molding through the single-screw extruder to manufacture a conductive high-molecular-material collector plate. According to a bipolar plate meeting technique requirements, temperature-resistant resin and a conductive filler are selected, pelletized by the double-screw extruder, and extruded by the single-screw extruder to manufacture a high-strength, anti-corrosion and high-temperature-resistant plastic bipolar plate; and the resistivity of the manufactured high-strength, anti-corrosion and high-temperature-resistant plastic bipolar plate can reach 0.1-0.5 omega per centimeter so as to meet an application index of the vanadium cell. The bipolar plate manufactured by the method disclosed by the invention can be rather thin, has the advantages of large area, good continuity and low cost, and also has the advantages of being capable of reducing the cost of the vanadium cell, ensuring stable operation in cells without releasing chemical groups, and maintaining stability and reliability of an electric pile of the vanadium cell.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Laser mosquito killing cleaning robot
ActiveCN111316964AAchieving Active KillingNo pollution in the processAutomatic obstacle detectionImage analysisControl mosquitoEngineering
The invention relates to the technical field of mosquito killing robots, in particular to a laser mosquito killing cleaning robot. The laser mosquito killing cleaning robot provided by an embodiment of the invention comprises a main body, a mosquito attracting device, a laser assembly and a mosquito detecting device, wherein the mosquito attracting device, the laser assembly and the mosquito detecting device are installed on the main body. The mosquito attracting device is used for attracting mosquitoes into a preset area, so that the mosquitoes are gathered in the preset area. The mosquito detecting device is used for acquiring the number and positions of the mosquitoes in the preset area and determining boundary characteristics of mosquito groups. A laser emitting assembly is arranged toadjust the angle and range of output laser according to the positions and boundary characteristics of the mosquito groups, so that the range defined by output laser beams is matched with the boundaries of the mosquito groups. Therefore, the laser emitted by the laser beam emitting assembly can fully cover the range of the mosquito groups, and the mosquito groups are killed collectively. The mosquitoes in the preset range are actively killed, moreover, the mosquito killing efficiency is high, and no pollution is caused to the environment.
Owner:SHENZHEN SILVER STAR INTELLIGENT TECH CO LTD
Fused aza-heterocyclic aromatic hydrocarbon porous framework of two-dimensional lamellar structure, and preparation method and application thereof
ActiveCN105949443APromote complexationEasy to separateOrganic chemistryOrganic-compounds/hydrides/coordination-complexes catalystsCycloadditionNitrogen
The invention specifically relates to a fused aza-heterocyclic aromatic hydrocarbon porous framework of a two-dimensional lamellar structure, and a preparation method and application thereof, belonging to the technical field of functional materials. According to the invention, aza-heteropolycyclic aromatic hydrocarbon is synthesized on the basiss of cyclization of a diamino group and a diketo group for formation of phenazine and is used as a monomer; and then aza-heteropolycyclic aromatic hydrocarbon is subjected to the Scholl reaction under the catalysis of a Lewis acid salt so as to allow aza-heteropolycyclic aromatic hydrocarbon to undergo homopolymerization at high temperature and low pressure, so a conjugated polymer material of a microporous structure and with two-dimensional lamellar layers for complex catalysis of metal is produced. The two-dimensional material has the characteristics of a high specific surface area, a full conjugate plane structure, heat stability, resistance to acid and alkali, excellent catalytic activity, high recovery rate, etc. The method provided by the invention is simple to operate and controllable in process; and the prepared material can be used for catalyzing a cycloaddition reaction of CO2 with epoxypropane compounds so as to immobilize CO2 and has good application prospects.
Owner:FUDAN UNIV
Plasma preparation method of polystyrene fluorescent microspheres and reaction equipment of plasma preparation method
ActiveCN105713126ALong fluorescence lifetimeImprove thermal stabilityLuminescent compositionsOrganic synthesisPolystyrene
The invention discloses a plasma preparation method of polystyrene fluorescent microspheres and reaction equipment of the plasma preparation method, and relates to the technical field of organic synthesis of fluorescent microspheres. A rare earth organic complex is adopted as a starting raw material, plasma of polystyrene is polymerized on the surface of the rare earth organic complex to coat the surface of the rare earth organic complex with a layer of polystyrene, and thus polystyrene fluorescent microspheres are formed. The method includes the main steps of 1, performing plasma pretreatment of the rare earth organic complex; 2, performing plasma polymerization, wherein plasma of polystyrene monomers is polymerized and deposited on the surface of the rare earth organic complex. The polystyrene fluorescent microspheres obtained through the preparation method have a long fluorescent lifetime and good heat stability, and the preparation process is simple, easy to perform and free of environmental pollution.
Owner:HEBEI NATAI CHEM IND CO LTD
Coating liquid for heating incombustible tobacco product cigarette paper and preparation method and application of coating liquid
ActiveCN109763378AImprove protectionNo pollution in the processNon-fibrous pulp additionCoatings with pigmentsFlavorTobacco product
The invention provides coating liquid for heating incombustible tobacco product cigarette paper and a preparation method and application of the coating liquid. The coating liquid is prepared from thestep that tobacco extracting concentrated solution, expanded graphite particles, a dispersing agent and tobacco flavor are evenly mixed and subjected to ultrasonic dispersion for 7-15 minutes. The expanded graphite particles are prepared from the steps that expanded graphite particles with the particle diameters of 5-15[mu]m are placed in an atomizing agent solution, fully stirred under a negativepressure condition and absorb the atomizing agent solution, and drying at a low temperature of 70-100 DEG C is carried out. The tobacco extracting concentrated solution is prepared from the step thata tobacco extracting concentrated solution is subjected to vacuum concentration to the relative concentration of 1.21-1.28g / cm<3>. One surface of cigarette paper substrate paper is coated with the coating liquid evenly and subjected to drying slicing under the condition of 50-65 DEG C to obtain the cigarette paper, the cigarette paper can resist high temperature (about 300 DEG C), and the smoke releasing quantity during smoking can be improved.
Owner:HUBEI CHINA TOBACCO IND
Power supply device of vacuum pipeline train and vacuum pipeline train
PendingCN111231670AImprove energy conversion efficiencyNo pollution in the processRailway heating/coolingRailway tunnelsFuel cellsElectric power equipment
The invention discloses a power supply device of a vacuum pipeline train and the vacuum pipeline train. The power supply device comprises a hydrogen-oxygen fuel cell which comprises an electrolyte layer, and a first electrode and a second electrode which are respectively arranged on two sides of the electrolyte layer, the first electrode and the second electrode are respectively connected to two ends of a load and used for supplying power to the load of the vacuum pipeline train; a first interface is formed in the outer wall, close to the first electrode, of the hydrogen-oxygen fuel cell, thefirst interface is used for allowing oxygen to flow in, a second interface is formed in the outer wall, close to the second electrode, of the hydrogen-oxygen fuel cell, and the second interface is used for allowing hydrogen to flow in; and a third interface is used for discharging water in the hydrogen-oxygen fuel cell. According to the vacuum pipeline train, the hydrogen-oxygen fuel cell can be used for supplying power to power equipment of the vacuum pipeline train, the requirement for heat loads in the train can be met through the refrigerating capacity of liquid oxygen and liquid hydrogen,in addition, water produced through fuel reaction can be used in carriages, and the vacuum pipeline train has important significance in energy conservation and environmental protection.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Anti-flaming thermal-insulation environmentally-friendly polymeric foaming material and method for producing the same
InactiveCN102516710ALow thermal conductivityImprove insulation effectPolymer sciencePolyvinyl alcohol
The invention discloses an anti-flaming thermal-insulation environmentally friendly polymeric foaming material and a method for producing the material. The method comprises the following steps: preparing a urea resin foam adhesive by successively adding 37 % of formaldehyde, polyvinyl alcohol and glycerin in a reaction kettle and stirring to heat up and then adding urea, hexamethylene tetramine, stabilizer and thiourea, preparing a foaming agent by firstly adding water in a stirring tank, successively adding nekal and nonylphenol polyoxylethylene ether with stirring, heating up for completely dissolving, and then adding phosphoric acid, glycerin and sodium phosphate, uniformly stirring until completely dissolving, and discharging and packaging, and preparing a foamed product by taking the urea resin adhesive, urea and the foaming agent, mixing and stirring uniformly, putting in a foaming machine to foam, and carrying out foaming, extrusion molding, drying and packaging. The invention can be widely applied in thermal insulation of building facilities, thermal insulation of venue decoration, shock absorption, replacement of benzene plate flexible package without anti-flaming property, and the like.
Owner:王喆
High-temperature coal gas filtering and purifying device and method for static bed
The invention provides a high-temperature coal gas filtering and purifying device and method for a static bed. The device and the method are characterized in that cinder dust or semicoke serves as a filter material. Raw coal gas enters the device from the bottom of the device, and passes through a filter material layer through a coal gas passage of a tower grid, so that motes in the raw coal gas are adsorbed to gaps in the cinder dust and micropores in the surface of the cinder dust, and purified coal gas is output to a user's device through a purified coal gas outlet. When approaching to a saturated condition, the filter material falls down slowly into a water basin, a coal gas box and a water sealing partition rotate slowly as external power is transmitted to a ratchet wheel, and the water basin (containing the filter material), the tower grid and the coal gas box which are welded into a whole, and saturated cinder dust is exhausted out of the device step by step. Moreover, two grades of sealing bell jars of a feeding mechanism are opened and closed alternately to feed a new filter material, so as to maintain the height of the filter material layer. Therefore, the filtering continuity and the purity degree of coal gas are ensured.
Owner:舒瑞 +1
Preparation method of chitosan modified desulfurization adsorbent and application of chitosan modified desulfurization adsorbent in transformer oil treatment
ActiveCN112058243AStrong desulfurization abilityImprove adsorption capacityIon-exchange process apparatusOther chemical processesNano copperTransformer oil
The invention provides a preparation method of a chitosan modified desulfurization adsorbent and application of the chitosan modified desulfurization adsorbent in transformer oil treatment. The preparation method comprises the following steps of: (1) preparing an intermediate hydroxypropyl trimethyl ammonium chloride; (2) preparing a nano copper-loaded adsorbent; (3) preparing a chitosan sodium salt; and (4) modifying the nano copper-loaded adsorbent by chitosan. The self-made chitosan modified desulfurization adsorbent is adopted for adsorption treatment of the transformer oil, the desulfurization rate is high, no pollution is caused, and the desulfurization adsorbent is suitable for deep desulfurization treatment.
Owner:STATE GRID HUBEI ELECTRIC POWER RES INST +2
Parallel-arranged SiO2 nanowire and preparation method thereof
The invention provides a preparation method of a parallel-arranged SiO2 nanowire. In the whole process of the method, SiO nanopowder is used as a reaction source, and reacts in a high temperature zoneof a one-dimensional high temperature tubular furnace under a low vacuum environment, and is deposited on a low temperature zone of a silicon wafer substrate along with the circulation of a protective gas. The method has high yield, simple operation, safety and environmental protection, and low cost, has no need to add a catalyst, and can be completed by a chemical reaction at a high temperature.The SiO2 nanowire prepared by the method has a parallel arrangement structure, and the unique novel structure has important academic significance and application for developing new fields of materialproperties.
Owner:BOHAI UNIV
Method for breeding soft-shelled turtles artificially
The invention discloses a method for breeding soft-shelled turtles artificially. Soft-shelled turtles are put in a pool with adequate water, good water quality, fresh air and non-polluted soil, and bred together with tilapia mossambica, tarpons, bighead carps and the like; the soft-shelled turtles are bred in an imitated living environment of wild soft-shelled turtles; fresh water is refilled regularly; the water quality is good; the air is fresh; a certain amount of sand is stocked at each pool for the activities of the soft-shelled turtles; non-polluted breeding is implemented; the key links such as regulation and control of water quality, selecting and purchasing of seedlings, usage of feed, usage of disease control drugs and the like are mastered in an emphasized way; and the soft-shelled turtles are ensured to grow normally.
Owner:陈献君
Thermoplastic resin adhesive film
InactiveCN102942878AExtended service lifeImprove long-term stabilityFilm/foil adhesivesPrinted circuit detailsVitrificationDielectric loss
The invention relates to a thermoplastic resin adhesive film and application thereof. The adhesive film comprises symmetrical polyphenylene ether molecules, is not sticky and has low dielectric constant and dielectric loss, and a high-frequency multilayer printed circuit board prepared by the adhesive film has high glass transition temperature, excellent heat resistance and flame resistance and an environmental protection function. The adhesive film serves as a thermally conductive and insulating layer of the high-frequency printed circuit board, so that the printed circuit board has the advantages of high thermal conductivity, quick signal transmission, low loss and the like.
Owner:彭代信
Preparation and applications of insect repellent composite fertilizer
InactiveCN106386894ASolve pollutionNo pollution in the processBiocideBio-organic fraction processingLychee fruitAgricultural engineering
The invention discloses a preparation and applications of an insect repellent composite fertilizer, and relates to the field of composite fertilizer preparation. The biological insect repellent fertilizer is prepared by the following steps: grinding onion waste solids by a grinding machine, fermenting the grinded onion waste solids, mixing the fermented onion waste solids with a bioorganic composite fertilizer, and stirring. The onion waste solids are directly fermented or fermented by an EM bacterial strain. The composite fertilizer is used to dispel insects in fruit plantation. The fruits are mango, litchi, longan, jack fruit, and pitaya. The preparation method has the advantages that waste solids generated in the processing process of dehydrated onion and fried onion can be comprehensively used, the environment pollution is eliminated, at the same time, the wastes are converted into valuable sources, an insect repellent biological composite fertilizer is prepared, and the fertilizer is natural and pollution-free.
Owner:CHANGZHOU ADAM BIOTECH
Temperature-stable high-Q-value niobium tantalite microwave dielectric ceramic and preparation method thereof
Owner:TIANJIN UNIV
Freezing fracturing type permeability improving and drainage promoting method for coal body
InactiveCN112412419AImprove breathabilityImprove the extraction effectLiquid/gas jet drillingInsulationCoalDrill hole
The invention provides a freezing fracturing type permeability improving and drainage promoting method for a coal body. The method comprises the following steps that bedding drilling is conducted on the coal body from a working face crossheading, and any two adjacent drill holes are named as a liquid injection hole and a drainage hole correspondingly; drainage pipes are mounted in the drainage holes and the liquid injection holes for hole sealing, and after sealing, an underground drainage system is connected for gas drainage; high-pressure water is injected into the liquid injection holes; special hole sealers are fed into the drainage pipes in the liquid injection holes and perform hole sealing; liquid nitrogen is injected into the liquid injection holes through the special hole sealersto freeze the coal body around the liquid injection holes; under the effect of the ground temperature, the liquid nitrogen is slowly sublimated into nitrogen, and the nitrogen effectively replaces anddisplaces gas in the coal body; and the drainage pipes in the liquid injection holes are connected with the drainage system for gas drainage work. The principle is scientific, design is ingenious, hole sealing is tight, the method can be widely applied to work such as cross-cut coal uncovering, fault crossing and anti-reflection and drainage-promoting of a mining working face, the anti-reflectionand drainage-promoting effects are good, and the application prospects are wide.
Owner:HENAN POLYTECHNIC UNIV
Formula of liquid for trapping flies
The invention discloses a formula of liquid for trapping flies. The liquid has a low price, is simple and effective, and has obvious trapping and killing effects. The liquid is prepared from sugar, vinegar, wine, water, sauce and washing powder according to the special formula. According to the biological characteristics of flies, the liquid is prepared from the non-toxic, easy-to-handle and environmental-friendly materials. The liquid can be used on various trappers for large-area fly prevention and control and is especially suitable for various feeding places and food processing places. The liquid for trapping flies is simpler and easier than conventional trapping and killing methods. Compared with the conventional prevention and control methods, the liquid for trapping flies saves more than 95 percent of production costs and reduces more than 98 percent of labor. Moreover, the liquid for trapping flies greatly improves the trapping and killing effects, has an effect of environmental protection, has no residual and does not pollute the environment.
Owner:BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
Separation and purification method for uridine triphosphate
ActiveCN109503687AMeet high purity requirementsHigh purification yieldSugar derivativesSugar derivatives preparationPurification methodsMicrosphere
The invention provides a separation and purification method for uridine triphosphate. The separation and purification method comprises the following steps: 1) loading a sample: filtering a crude product of uridine triphosphate and then loading into a chromatographic column, wherein chromatographic column filler is made of monodisperse microspheres taking polyacrylate as substrate; 2) eluting: using an eluant for eluting UTP absorbed in the chromatographic column; 3) collecting and gathering: fractionally collecting eluted uridine triphosphate solution and gathering the component liquid meetingthe requirement for target peak. The separation and purification method for uridine triphosphate provided by the invention is simple and convenient and is short in purification period; the requirement for high purity of uridine triphosphate can be met by only one-step chromatographic purification; purity can reach up to 99% or above; purification yield is high and stable.
Owner:SUZHOU NANOMICRO TECH CO LTD
Electromagnetic shielding method and product
InactiveCN102950828ANo pollution in the processElectromagnetic shielding method is simple and fastVacuum evaporation coatingSputtering coatingInsulation layerSilicon oxygen
The invention provides an electromagnetic shielding method comprising the steps that: a substrate is provided; a vacuum plating method is adopted, wherein an aluminum-silicon alloy target is adopted as a target material, oxygen is adopted as a reaction gas, and an insulation layer is formed on the substrate, wherein the insulation layer is an aluminum-silicon-oxygen layer; and a vacuum plating method is adopted, wherein a nickel-copper alloy target is adopted as a target material, and a conductive layer is formed on the insulation layer, wherein the conductive layer is a nickel-copper alloy layer. The invention also provides a product obtained with the provided electromagnetic shielding method.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
Antibacterial ceramic glaze and preparation method thereof
PendingCN109399933AImprove antibacterial propertiesGuaranteed glaze effectMontmorilloniteSodium silicate
The invention discloses an antibacterial ceramic glaze and a preparation method thereof. The glaze includes 30-50 parts of montmorillonite, 30-50 parts of talc, 10-30 parts of quartz, 5-10 parts of barium carbonate, 5-15 parts of manganese dioxide, 10-25 parts of sodium silicate, 20-50 parts of feldspar, 5-10 parts of titanium dioxide, and 2-10 parts of silver nitrate. The antibacterial performance of the glaze can be enhanced while the glaze effect is ensured, and the antibacterial ceramic glaze can keep a stable and sustained antibacterial effect at high temperatures.
Owner:FOSHAN UNIVERSITY
Efficient engine-cleaning and power-increasing liquid as well as preparation method and application thereof
InactiveCN108300527ANo pollution in the processImprove the stability of useLiquid carbonaceous fuelsFuel additivesEthyleneglycol monobutyl etherMethyl carbonate
The invention provides efficient engine-cleaning and power-increasing liquid as well as a preparation method and application thereof. The efficient engine-cleaning and power-increasing liquid is prepared from the following components in percentage by volume: 5 percent to 10 percent of methyl tert-butyl ether, 10 percent to 20 percent of dimethyl carbonate, 5 percent to 10 percent of ethylene glycol monobutyl ether, 5 percent to 10 percent of xylol, 10 percent to 20 percent of tert-butyl alcohol, 5 percent to 10 percent of isopropyl acetate, 5 percent to 10 percent of dilinoleic acid, 10 percent to 20 percent of polymethoxydimethyl ether, 1 percent to 5 percent of ethanolamine and 1 percent to 5 percent of ester amide quaternary ammonium salt. By adopting the efficient engine-cleaning and power-increasing liquid provided by the invention, the utilization stability of ethanol gasoline can be improved, deposited carbon is reduced, an engine is cleaned and tail gas emission is reduced. Theefficient engine-cleaning and power-increasing liquid is also applicable to gasoline for vehicles; the efficient engine-cleaning and power-increasing liquid is added according to the ratio on the basis of adding national standard gasoline; meanwhile, the efficient engine-cleaning and power-increasing liquid has functions of enhancing vehicle power, improving the utilization stability of fuel, cleaning the engine and reducing the tail gas emission.
Owner:SHAANXI YANENG QIANGLI CLEAN ENERGY CO LTD
Partially-aluminized packaging film and manufacturing method thereof
The invention discloses a partially-aluminized packaging film and a manufacturing method thereof. The partially-aluminized packaging film structurally comprises a transparent plastic film, an aluminizing layer and a printing ink layer, wherein the plastic film is made of any one material of OPP, BOPP and PET, and the aluminizing layer is provided with at least one opening. The manufacturing method of the partially-aluminized packaging film includes the following process of coating of a water-based complex adhesive, vacuum aluminizing, washing and printing, wherein any water-based complex adhesive for food packaging can serve as the water-based complex adhesive, and any of offset printing, intaglio printing and silk-screen printing can be adopted as the printing mode. The partially-aluminized packaging film has the advantages that the manufacturing process is simple, cost is low, and no pollution is generated.
Owner:王萍
Preparation of the high-performance porcelain heating parts with automatic temperature-control
InactiveCN1997245AImprove pass rateNo pollution in the processHeater elementsHeating element materialsEpoxyTemperature control
Owner:范新宽
Preparation method of microcapsule battery composite polyimide dielectric material
ActiveCN106111028AEasy to prepareNo pollution to the environmentGel preparationMicroballoon preparationPyrroleDielectric loss
The present invention relates to a preparation method of microcapsule battery composite polyimide dielectric material and belongs to the technical field of preparation of dielectric materials. The present invention is directed to overcome the defect that presently prepared polyimide dielectric composite material has high dielectric loss and greatly reduced mechanical properties in case of high filling quantity, polystyrene is sulfonated and then polymerized with pyrrole to prepare hollow microcapsules, and the microcapsules are then filled with phenylamine and are then silver-coated with surface nano copper powder to form a microcapsule battery structure; by filling the microcapsule battery with polyimide material, dielectric constant of the battery is greatly increased, with the toughness and strength of polyimide effectively improved; the microcapsule battery composite polyimide dielectric material prepared herein is up to 135 in dielectric constant and up to 280 KJ / m<2> in impact strength, and the preparation process is simple and green and is environmentally friendly.
Owner:安达市易渡化学有限公司
Method and device for removing vaporized hydrogen peroxide
InactiveCN105771635AQuick breakdownImprove efficiencyDispersed particle separationHydrogen peroxide breakdownTitanium
The invention provides a method and device for removing vaporized hydrogen peroxide. The method comprises the steps that vaporized hydrogen peroxide is made to pass through a filtering and ventilating material coated with a mixture of nano titanium and manganese dioxide. The efficiency of removing vapor H2O2 is high, and hydrogen peroxide can be fast decomposed into water and oxygen. External ventilation is not needed, external environmental pollution is avoided, and pollution to the external environment is also avoided.
Owner:SUZHOU INDAL PARK HJCLEAN TECH
Fluorescent powder for warm white LED and preparation method thereof
The invention discloses fluorescent powder for warm white LED and a preparation method thereof. The preparation method is characterized by comprising the following steps of S1, electing raw materialsM(NO3)3; S2, adding a proper amount of NH2CH2COOH for sufficient mixing and combustion reaction; S3, putting obtained precursors into a grinding pot to be ground and crushed; S4, finely grinding the mixture; then, charging the materials into a calcination pot; putting the calcination pot into a tubular furnace; performing calcination heating; S5, stopping heating; lowering the temperature; addingMnCO3; performing grinding; then, performing roasting heating; S6, performing cooling; obtaining the fluorescent powder for warm white LED after ball milling, washing and drying. The method provided by the invention has the advantages that the process is simple; the temperature rise is fast; the product particles are small; the particle diameter distribution is uniform; the purity is high; the luminous intensity cannot be easily damaged; the energy sources are saved; the cost is reduced; the positive divalent manganese ions are provided through MnCO3; the emission peak of Mn<2+> is about 600nm; the spectrum control can be easily controlled; the fluorescent powder for warm white LED can be easily obtained.
Owner:DONGTAI TIANYUAN FLUORESCENT MATERIALS CO LTD
Application of melaleuca bracteata in acaricidal and insecticidal aspects, biological prevention and control medicament and preparation method thereof
ActiveCN112544636ANo pollution in the processEfficient killingBiocideAnimal repellantsVerminOrganic chemistry
The invention relates to an application of Dalbergia odorifera in acaricidal and insecticidal aspects as well as a biological prevention and treatment medicament and a preparation method thereof, which belong to the field of biological prevention and treatment. The invention relates to the application of Dalbergia odorifera in acaricidal and insecticidal aspects, and a biological control medicament based on Dalbergia odorifera essential oil. The biological control agent can efficiently kill harmful mites and pests, and is non-toxic, harmless, safe, reliable and low in cost.
Owner:CHINA AGRI UNIV
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