39results about How to "Improve liveliness" patented technology

The invention relates to full-lightweight ceramsite concrete and a preparation method thereof. The full-lightweight ceramsite concrete is prepared from, by weight, 278-339 parts of cement, 318-344 parts of ceramsite, 334-382 parts of pottery sand, 50-55 parts of coal ash, 35-42 parts of silica fume, 0.001-3 parts of triisopropanolamine, 0.5-3 parts of a water reducing agent and 0.001-3 parts of athickening agent. The method includes steps: subjecting ceramsite and pottery sand to surface pretreatment through alkyl alkoxy silane, prewetting ceramsite and pottery sand to achieve a saturated surface dry state, then sequentially feeding lightweight aggregates, cement, silica fume and coal ash into a forced mixer, and well mixing to obtain the full-lightweight ceramsite concrete. The full-lightweight ceramsite concrete prepared according to the method has advantages of light weight, high peaceability and effectiveness in inhibition of ceramsite floating and has a promising application prospect in the field of energy-saving construction engineering.

The invention discloses a high-temperature-resistant high-viscosity high-strength and high-toughness interlayer binding material and a preparation method. The interlayer binding material is prepared from the following raw materials in parts by weight: 15-20 parts of polytetrahydrofuran ether glycol, 5-10 parts of isophorone diisocyanate, 5-10 parts of succinic anhydride, 5-10 parts of diethanol amine, 4-8 parts of trimethylolpropane, 30-40 parts of heterocyclic aramid fibers, 100 parts of epoxy resin and 10-15 parts of polyethylene polyamine. The preparation method of the interlayer binding material comprises the steps of preparation of aliphatic hyperbranched polyurethane, surface treatment on the heterocyclic aramid fibers, surface grafting treatment on the heterocyclic aramid fibers, modification of the heterocyclic aramid fibers and the epoxy resin through the hyperbranched polyurethane to prepare a hyperbranched polyurethane modified heterocyclic aramid fiber epoxy resin curing agent, and adding of the prepared curing agent in the epoxy resin to obtain the interlayer binding material. The interlayer binding material has excellent properties of high strength, high toughness, impact resistance and the like, a preparation process is simple, and a reaction process is controllable.

The present invention relates to a benzimidazole n-type dopant. The benzimidazole n-type dopant includes organic ion salts containing a benzimidazole halide anion with a structure shown in a formula (1), a neutral n-type dopant material with a structure shown in a formula (2), or a dimeric n-type dopant material with a structure shown in a formula (3). When the benzimidazole n-type dopant is used as the dopant of electron transporting materials, the dopant can enhance electron injection, increase thin film electron mobility rate, carrier concentration and device current density, and improve device efficiency and stability.

The invention discloses a method for preparing ferrate based on carbon sheet iron plating. The method comprises the following steps that electroplating liquid and an electroplating device are prepared, a double-anode electroplating method is adopted, a rough carbon sheet with pock marks and cracks on the surface is selected as an iron plating cathode, namely a cathode carbon sheet, electroplating is conducted, and a carbon electrode containing an iron plating layer is prepared and obtained; an electrolytic bath device is made, and the electroplated carbon electrode containing the iron plating layer is washed with distilled water and is dried; soaking is conducted with NaOH; the obtained material serves as anode material and is placed in an anode chamber; a carbon rod serves as cathode material and is placed in a cathode chamber; and voltage is adjusted, the cathode current density is controlled to 135 A / m3, electrolysis is conducted in a mixed alkaline solution, and the ferrate is prepared. According to the method, the rough surface of the carbon sheet is utilized and is combined with the electroplating method, iron plating is conducted on the surface of the carbon sheet, the obtained elementary substance iron has good activity. The yield of the ferrate prepared through the method is improved significantly, and meanwhile, the problem of iron surface passivation appearing due to the fact that cast iron or a iron gauze is directly used as an anode is solved effectively.

The invention relates to an air purifier adopting an electrostatic dust collection technology and applied to an industrial workshop. The air purifier comprises a base, a purification device, a connecting mechanism and a temperature control box, wherein the connecting mechanism comprises a connecting pipe, a rotating rod and a screw rod, a heating mechanism is arranged in the connecting pipe, and comprises a sleeve, a power supply, a first connecting rod, a second connecting rod, a third connecting rod and a copper mesh, and an aqueous solution, a cooling pipe, a first hose, a second hose and two lifting units are arranged in the temperature control box. According to the air purifier adopting the electrostatic dust collection technology and applied to the industrial workshop, the activity of ozone is enhanced through the exothermic copper mesh which is in the connecting pipe so that the ozone can react conveniently, meanwhile, the connecting pipe is convenient and fast to mount and dismount, the copper mesh can be timely replaced, moreover, the height of the cooling pipe is controlled through the lifting units, then the air heat absorbed by the aqueous solution is adjusted so that the air purifier can adjust the discharged air temperature according to needs, and the practicability of the air purifier is improved.

The invention discloses a high-weather-resistance organic pigment and a preparation method thereof, and relates to the technical field of organic pigments. Comprising 20-25 parts of distilled water; 20 to 30 parts of organic pigment; 10 to 30 parts of polymer resin; 15-25 parts of a pigment; 10 to 20 parts of mordant; 25-30 parts of a dispersant; the mordant comprises any one of lime water, alum or a sodium nitrite aqueous solution, and after the mordant is dissolved in water, the solute mass concentration range of the mordant is 30%-60%. The synthesis raw materials with chlorine groups, nitryl and sulfurous acid groups are selected, so that the activity of diazonium salt is high, later coupling is facilitated, meanwhile, after the organic pigment is formed through coupling, due to the fact that the sulfurous acid groups have high electrophilicity, the performance of the synthesized azo bonds is stable, and the organic pigment can be obtained. The stability of the pigment is enhanced, the defects that the pigment is poor in light fastness, poor in color brightness and extremely prone to being influenced by the external environment in the actual use process are overcome, and the weather resistance, light blocking capacity and weather resistance of the organic pigment are indirectly enhanced.

The invention provides a method for reducing the stress of tempered glass and a method for recycling defective glass products, and relates to the field of touch screen production. The method for reducing the stress of tempered glass includes the following steps: A) preheating: placing the lithium silicate tempered glass in a Preheating at 290-350°C for 2-5h; B) ion exchange: placing the preheated tempered glass in a mixed molten salt of sodium nitrate and lithium nitrate, and ion-exchanging at 382-450°C for 10-120min, wherein, In the mixed molten salt, the weight percent of the sodium nitrate is 71-79%, and the weight percent of the lithium nitrate is 21-29%. Using the method for reducing the stress of the strengthened glass can alleviate the lack of a technical problem in the prior art that is suitable for eliminating the stress of the lithium silicate strengthened glass, and achieve the purpose of reducing or eliminating the stress of the lithium silicate strengthened glass.

The invention discloses a preparation method and application of a single-atom lanthanum-supported nitrogen-doped graphene two-dimensional material; preparation: 1. Preparation of nitrogen-doped graphene: (1) ultrasonically dispersing graphene oxide and a nitrogen source in a solvent , to obtain a dispersion; (2) drying the dispersion to obtain a mixture; (3) under the protection of an inert gas, calcining the mixture at a high temperature to obtain nitrogen-doped graphene; two, lanthanum-loaded nitrogen-doped graphite Preparation of ene: (1) ultrasonically dispersing the nitrogen-doped graphene in deionized water to obtain a suspension of nitrogen-doped graphene; (2) dissolving the lanthanum source to obtain an aqueous solution containing metal lanthanum; (3) The aqueous solution of the metal lanthanum is added dropwise to the suspension of the nitrogen-doped graphene and stirred, then heated for reaction, and then calcined at a high temperature under the protection of an inert gas to obtain a two-dimensional monoatomic lanthanum-supported nitrogen-doped graphene Material. Applications: Use the as-prepared materials for oxygen reduction reactions or assemble into metal-air batteries.

The invention provides a kind of alkaline earth metal [Mg(lna) 2 ] n The single crystal adsorption material and its preparation method and application belong to the technical field of preparation of VOCs gas adsorption materials, and the method includes the following steps: S1, after mixing isonicotinic acid and magnesium chloride at a molar ratio of 1:0.2-2, adding absolute ethanol solution , and stir evenly to obtain a mixed liquid; S2. After sealing the mixed liquid of S1 in the inner tank of the reactor, place the reactor in an electric blast drying oven, and raise the temperature to 90-180 °C at a rate of 5-40 °C / h. ℃, keep warm for 30-45h; then cool down to 15-35℃ at a rate of 0.5-5.0℃ / h; S3, purify the reaction product obtained in S2 to obtain alkaline earth metal [Mg(lna) 2 ] n Single crystal adsorbent material. The method mainly adopts a solvent synthesis method and is formed through a one-step reaction. The preparation process is simple, the cost is low, and the energy consumption is low, and the prepared adsorption material has high purification efficiency for the VOCs gas in the wood drying industry.

The invention relates to a benzimidazole n-type dopant, which has an organic ion salt containing benzimidazole halogen anion with a structure shown as formula (1), a neutral n-type doping material with a structure shown as formula (2) or a dimer n-type doping material with a structure shown as formula (3). When used as a dopant of an electron transport material, the benzimidazole n-type dopant canenhance electron injection, improve the film electron mobility and carrier concentration, increase device current density, and improve the device efficiency and stability.

The compound metal electrothermal film sol is prepared with nanometer level tin powder 8-20 weight portions, antimony trichloride 4-10 weight portions, stannous chloride 1-4 weight portions, gold chloride 0.01-0.1 weight portions, germanium tetrachloride 0.01-0.1 weight portions, silver chloride 0.8-2 weight portions, nickel chloride 0.1-1 weight portions, copper chloride or zinc chloride 2-7 weight portions, sodium chloride or potassium chloride 2-7 weight portions, deionized water 24-60 weight portions and ethanol 99.2-312 weight portions. The sol may be prepared into electrothermal film with high electricity-to-heat conversion efficiency, and other advantages. The present invention also discloses the method of making electrothermal pipe with the sol, and the making process is simple and practical and has less environmental pollution.

The invention relates to an organic electroluminescent device, which comprises a first electrode layer, a light-emitting layer, an electron injection layer and a second electrode layer stacked together, and the electron injection layer and the second electrode layer are arranged in physical contact. The electron injection layer comprises an organic ion salt of benzimidazole represented by formula (I), a benzimidazole neutral organic material represented by formula (II), and a dimerization of benzimidazole organic material represented by formula (III). One or more in the body, this type of material reduces the potential barrier between the second electrode layer and the interface of the organic electron transport layer, improves the transport capacity of carriers, so that the electron injection layer and the The second electrode layer is arranged in direct physical contact, and an insulating buffer layer is no longer required, which has the properties of improving device efficiency and prolonging device life.

The invention discloses a preparation method of nitrogen-containing semiconductor graphite. In the invention, the graphite is subjected to heat treatment in a temperature environment of 2000-3000° C., the activity of carbon atoms in the graphene plane is greatly increased, and the nitrogen-containing nitrogen source is heated at a high temperature. Among them, the nitrogen element diffuses to the graphite particles driven by the concentration gradient, and the atomic diameter of nitrogen is not much different from the carbon atomic diameter. At high temperature, nitrogen atoms replace carbon atoms, realizing the substitutional doping of nitrogen atoms, and obtaining nitrogen elements In situ substitution of doped semiconducting graphite.

The invention discloses a preparation method of cuprous cyanide, and belongs to the technical field of cuprous cyanide preparation, and the preparation method comprises the following steps: adding sodium chloride into mother liquor containing Cu<2+> to obtain a first solution; heating and stirring the first solution, and introducing liquid sulfur dioxide for reaction to obtain a second solution containing a cuprous chloride-sodium chloride complex; adjusting the second solution to be alkaline, and then carrying out filter pressing treatment on the second solution to obtain a third solution; and adding a sodium cyanide solution into the third solution to obtain the cuprous cyanide. According to the method, the liquid sulfur dioxide replaces traditional metal copper to serve as a reducing agent, the activity of the liquid sulfur dioxide is high, copper ions can be reduced into cuprous ions, the production condition is strengthened, the production efficiency is improved, and the production cost is greatly reduced.

The invention relates to a method for preparing a highly active hydrogen evolution electrode by electroless plating-forming holes on the surface of a flocking steel plate. The invention relates to a method for preparing a highly electrolytic hydrogen evolution active electrode. The invention aims to solve the problem of poor performance of the current non-noble metal electrolysis hydrogen catalyst. The method for preparing highly active hydrogen evolution electrode by electroless plating-forming holes on the surface of flocking steel plate: (1) preparation of activation solution; (2) preparation of plating solution; (3) preparation of pore-forming sulfurization solution; (4) chemical spraying alloy (5) Pore-forming and vulcanizing treatment, a catalytic layer with excellent hydrogen evolution reaction activity is prepared on the surface of the flocking steel plate, which is conducive to reducing the energy consumption of electrolysis of hydrogen in alkaline solution.

The invention discloses an organic carbon nanotube coated with a thin polymer film on the surface and a preparation method thereof. The preparation method comprises the following steps of: putting a carbon nanotube and a polymer monomer in a plasma deposition furnace after the carbon nanotube and the polymer monomer are weighed, introducing argon gas into the furnace after vacuumizing and adjusting the pressure of a chamber; discharging under plasma power and then introducing oxygen gas; heating a cathode, processing in plasma atmosphere, closing the plasma source and taking powdered solid out; and filtering the powdered solid in vacuum, washing acetone to a pure state and obtaining the organic carbon nanotube coated with the thin polymer film on the surface by vacuum drying. The method has the characteristics of simpleness, economy, environmental protection, easy industrialization and the like. The obtained organic carbon nanotube has high degree of functionalization and provides a new approach for surface modification, unwrapping and disaggregation of the carbon nanotube.

The invention discloses a method for preparing ferrate based on carbon sheet iron plating, comprising the following steps: preparing an electroplating solution and an electroplating device, adopting a double anode electroplating method, and selecting a rough carbon sheet with pits and cracks on the surface as the plating The iron cathode, that is, the cathode carbon sheet, is electroplated to prepare a carbon electrode containing an iron coating; an electrolytic cell device is made, and the electroplated carbon electrode containing an iron coating is rinsed with distilled water and dried; soaked in NaOH; the obtained material As an anode material, it is placed in the anode chamber; as a cathode material, carbon rods are placed in the cathode chamber; adjust the voltage to control the cathode current density to 135A / m 3 , Electrolyzed in mixed alkali solution to prepare ferrate. The present invention utilizes the rough surface of the carbon sheet and combines the electroplating method to plate iron on the surface of the carbon sheet. The problem of passivation of iron surfaces when using cast iron or wire mesh as an anode.

The invention discloses an aircraft auxiliary power generation mechanism based on the combustion of metal nano powder, which belongs to the technical field of aircraft electrical systems; the invention opens the front cover 15 and the rear cover 16 of the device through an explosion bolt 14, and the incoming flow generated by sliding Air enters the air intake 17; the incoming air drives the fan 1 to start the generator main shaft 10, and then ignites the annular combustion chamber 8 to fully burn with the metal nano-fuel 11 to generate high-temperature and high-pressure gas to drive the turbine 9 to do work; the generator main shaft 10 drives the generator A part of the electric energy is supplied to the aircraft system, and the other part of the electric energy is stored in the storage battery 13; the present invention sucks in more air through the fan to fully burn it with the metal nano powder; the use of the metal nano powder is more active than the general fuel, and the energy generated is relatively low. General fuel is several times higher. Simultaneously, the overall aerodynamic layout of the fuselage is not affected when the device works, which ensures the stability of the aircraft.