100results about How to "With self-cleaning effect" patented technology

The invention belongs to the technical field of radiation cooling, and particularly relates to a radiation cooling coating with a self-cleaning function and a preparation method thereof. The radiationcooling coating comprises a bottom layer binder, and a radiator and hydrophobic nano particles, which are covered on the bottom layer binder; and an infrared emission peak of the radiator is positioned within an infrared radiation waveband range of 8 to 13 mum and at least covers one wave band interval in the range of 8 to 13 mum. According to the invention, by utilizing high hydrophobicity of the nano hydrophobic particles, the radiation cooling coating has a self-cleaning effect and a phenomenon of reducing the cooling effect due to dust accumulation is avoided. The radiation cooling coating disclosed by the invention has high emissivity on the wave band of 8 to 13 mum, is large in transmittance on a visible light wave band, is excellent in lighting performance, can also reduce absorption on energy on the rest of wave bands and ensures the cooling effect. The radiation cooling coating further adopts two different particle sizes of radiators, so that the radiation range is widened, ground heat is radiated to the outer space to the greatest degree, and the cooling effect is improved.

The invention discloses a tungsten bronze-based super-hydrophobic transparent heat-insulating coating and a preparation method thereof. The tungsten bronze-based super-hydrophobic transparent heat-insulating coating is obtained by adding hydrophobically modified nano tungsten bronze and hydrophobically modified powder into a resin solution for dissolving an organic solvent to form a film, synthesizing nanometer cesium-tungsten bronze and nanometer sodium-tungsten bronze through a solvothermal method, then respectively modifying the nanometer cesium-tungsten bronze, the nanometer sodium-tungsten bronze and nanometer silicon dioxide to serve as inorganic components, combining organic resin to prepare the super-hydrophobic coating, and coating the surface of a substrate with the tungsten bronze-based super-hydrophobic transparent heat-insulating super-hydrophobic coating by adopting a film forming process, wherein the static contact angle of the obtained tungsten bronze-based super-hydrophobic transparent heat-insulating coating is larger than 155 degrees, and the rolling angle is smaller than 10 degrees. The nano tungsten bronze-based super-hydrophobic transparent heat-insulating super-hydrophobic coating is good in dispersity, and a prepared coating is good in binding force with a matrix and good in transparent heat-insulating effect.

The invention discloses a hydrophobic anti-corrosion ceramic coating, which uses epoxy resin and modified silicone resin as a film-forming material, and adds various fillers, auxiliary agents and solvents, including body fillers, pigments and fillers, curing agents, coloring Agent, toughener, diluent, leveling agent, epoxy coupling agent and solvent. The hydrophobic anti-corrosion ceramic coating of the present invention has stable performance, strong adhesion, excellent salt water resistance, strong acid and alkali corrosion resistance, good weather resistance, high hardness, and excellent wear resistance; and it is environmentally friendly and non-toxic (low VOC), and has Good protection, decoration and functional effects, low price of raw materials, simple preparation method, suitable for the surface of metal substrates that need to be protected under harsh corrosion environments.

The invention discloses a water dispersible fluorocarbon finish coating. The finish coating consists of the following components in percentage by weight: 20-25% of fluorocarbon resin, 8-11% of acrylic resin, 1-10% of silicon oxide filler, 5-10% of auxiliaries and 50-60% of a solvent. The water dispersible fluorocarbon finish coating disclosed by the invention has a self-cleaning effect and is excellent in stain resistance; meanwhile, the coating improves apparent property through addition of the inorganic filler silicon oxide; the finish coating, through regulating proportion of the silicon oxide filler, can achieve coating effects of high light, semi matte and lusterless, and can improve wear-resisting property of the coating.

The invention especially relates to a radiative cooling film with a self-cleaning function and a preparation method thereof, belonging to the technical field of radiative cooling. The radiative cooling film comprises a base film and further comprises radiators and hydrophobic nanoparticles dispersed in the base film, wherein the infrared emission peaks of the radiators are in the infrared radiation band range of 8 to 13 [mu]m and covers at least one band interval in the range of 8 to 13 [mu]m. According to the invention, the high hydrophobicity of the hydrophobic nanoparticles is utilized so as to allow the radiative cooling film to have self-cleaning effect, so the phenomenon of reduction in cooling effect due to dust accumulation is avoided. The radiative cooling film of the invention has high emissivity in the band of 8 to 13 [mu]m, high transmittance in a visible light band and good lighting performance, and can reduce the absorption of energy in other bands by the object to ensurecooling effect. Furthermore, the radiators with two different particle sizes are adopted in the invention, so a radiation range is broadened, and ground heat is maximally radiated to the outer space,thereby improving cooling effect.

The invention discloses an anti-condensation coating. The anti-condensation coating comprises a mixed emulsion formed by a pure acrylic emulsion and a silicon resin emulsion and a heat insulation material formed by combining microbeads and aerogel slurry, wherein the mixed emulsion accounts for 20-40% of the total mass of the anti-condensation coating; and the heat insulation material accounts for 15-20% of the total mass of the anti-condensation coating. According to the anti-condensation coating disclosed by the invention, the heat insulation material containing the microbeads and the aerogel is added, so a temperature difference between a wall surface and air is reduced, the wall surface is prevented from condensation, and the problems of moisture absorption saturation, moisture absorption expansion and adhesive force reduction of a traditional anti-condensation coating due to moisture absorption of water vapor in air are also solved; and meanwhile, the pure acrylic emulsion and the silicon resin emulsion are used, and the water resistance and excellent physical performance of the pure acrylic waterproof emulsion and the air permeability and hydrophobicity of the silicon resin emulsion are effectively combined, so the coating has better physical performance, is not prone to damage, and has waterproof and lotus leaf self-cleaning effects to prevent external water from invading.

The invention relates to a multifunctional finishing agent for costume, as well as a preparation and a using method of the multifunctional finishing agent, and aims at providing an active nanometer titanium dioxide particle with surface a decoration function, and an active garment material with the decoration function. The nanometer titanium dioxide particle is stably and firmly linked to the garment material in a form of a chemical bond through the reaction of the active nanometer titanium dioxide particle and the active garment material. The multifunctional finishing agent has the advantages that the active nanometer titanium dioxide particle is linked to the garment material, so that a nano-scale coarse structure is formed on the cloth surface, and large specific surface area is achieved, and the apparent contact angle of liquid on the material surface is large, so as to achieve a self-cleaning effect; the titanium dioxide particle has antifungal and antibacterial functions, and the functions of resisting virus and removing peculiar smell; and the multifunctional finishing agent can react with hydroxyl on the fabric surface to form a stable and firm chemical bond, so that an air pore of the fabric is not blocked, and the air permeability of the fabric is not affected.

The invention belongs to the field of medical high-molecular materials, and discloses a dehydration-prevention gecko hydrogel application and a preparation method thereof. The hydrogel application is prepared from the following raw materials in parts by weight: 0.25-1.55 parts of polyvinyl alcohol, 0.04-0.27 part of polyglutamic acid, 0.03-0.35 part of tannic acid, 0.05-0.12 part of glutaraldehyde having a mass concentration of 2-10 percent, 10-23 parts of water, and the balance of an acidity regulating agent. The gecko hydrogel application can adsorb and closely attach the surface of human skin since the application surface has tissues similar to the nano-sucker structure of gecko feet so as to effectively prevent falling off and effectively prevent hydrogel from being dehydrated. The hydrogel application can be well attached to skin to achieve a self-cleaning effect, and is applicable to wound protection and treatment of physical therapy, burning, scalds and traumatic wounds by cold application.

The invention discloses a composite membrane based on synergistic separation and photo-Fenton self-cleaning. The composite membrane is formed by compounding graphene oxide, polyacrylic acid and NH2-MIL-88B (Fe). The preparation method of the composite membrane comprises the following steps of: ultrasonically dispersing graphene oxide powder into water to prepare a uniform dispersion liquid with the concentration of 0.05 mg/mL; adding NH2-MIL-88B (Fe) into the dispersion liquid, and carrying out ultrasonic dispersion to obtain a uniform mixed suspension; adding polyacrylic acid into the suspension, and carrying out ultrasonic dispersion to form a uniform PAA@NM88B/GO suspension; and pouring the PAA@NM88B/GO suspension into a vacuum filter filled with a nylon membrane substrate, and preparing the composite membrane by using a vacuum filtration method. The composite membrane prepared by the invention effectively retains the retention rate of dye while improving the water flux, has a self-cleaning effect, and provides a new thought for commercial popularization of the graphene oxide membrane.

The invention belongs to the technical field of zinc oxide preparation, in particular to a method and a device for preparing nano zinc oxide so as to realize a continuous process which has the advantages of higher deamination and zinc deposition rate under low energy consumption and preparation of higher quality nano zinc oxide. The preparation method comprises the following steps of: performing reaction on a zinc-ammonia complex and hot steam in a rotary packed bed to generate a zinc oxide precursor; and baking to prepare the nano zinc oxide. The device comprises a steam kettle, a zinc-ammonia complex solution storage tank, the rotary packed bed and a product storage tank, wherein the zinc-ammonia complex solution storage tank is connected with the liquid inlet of the rotary packed bed; the steam kettle is connected with a buffer tank; the gas outlet of the buffer tank is connected with the gas inlet of the rotary packed bed; and the liquid outlet of the rotary packed bed is connected with the product storage tank. The method has the advantages of simple process operation, low cost, high efficiency, and continuity; and the device has the advantages of obvious transmission effect, low power consumption, small equipment volume, self-cleaning function, and low possibility of scale formation and blockage.

The invention relates to a soaking type screw plate fixed-bed reactor for a gas-solid catalytic reaction. The soaking type screw plate fixed-bed reactor comprises a gaseous phase and an inlet/outlet of a heat exchange medium; one or more screw plate fixed-bed reaction sections are arranged in the reactor. The soaking type screw plate fixed-bed reactor disclosed by the invention has the advantagesthat firstly, a shell pass heat exchange coefficient is remarkably increased, a total heat transfer coefficient is enabled to be increased, a heat transfer effect is intensified and heat transfer temperature difference is reduced; secondly, heat transfer distance and heat transfer area can be flexibly controlled and uniformity and control of the temperature of a reaction bed layer are facilitated;thirdly, the volume utilization rate is high (the maximum can reach 70 percent or higher, and the maximum of a shell and tube reactor is about 40 percent), the capacity of single equipment is high, and the occupied area and the investment are obviously reduced; fourthly, a heat exchange medium channel has a self-cleaning effect, so that dirt and block are not easily generated.

The invention relates to a coalescence material for emulsified water as well as a preparation method and application of the coalescence material. The coalescence material for the emulsified water includes a substrate and a fluorine-containing polyurethane coating layer coating the surface of the substrate. The fluorine-containing polyurethane coating layer of the coalescence material contains a hydrophobic fluorine-containing chain segment and a hydrophilic chain segment, thereby having hydrophobic and lipophilic characteristics in the air; the contact angle between the fluorine-containing polyurethane coating layerandwater drops is 100-120 degrees, the contact angle between the fluorine-containing polyurethane coating layerandoil drops is 50-80 degrees, the contact angle of water under oil changes dynamically and decreases from 120-150 degrees to 50-80 degrees within 2 min, so that favorable conditions are provided for demulsification mixingof liquid drops in a water-oil emulsion, andcompared with other fluorocarbon materials in the prior art, the coalescence material provided by the invention has a significantly better coalescence and separation effect on the emulsified water; and the coalescence material is suitable for the separation of the water-oil emulsion containing different types and different concentrations of surfactants, and the water-oil separation efficiency isas high as 91-98%.

The electrophoresis tank in which the conductive diamond film is used as an electrode of the invention belongs to the technical field of biological equipment. The structure has an electrophoresis tank (1), electrodes, wires (4) connecting the electrodes and a power supply, and an electrode fixing device (3); the electrode is a conductive diamond film electrode (2), which is formed by chemical vapor deposition. The boron or nitrogen doped diamond film grown on the substrate or the self-supporting boron or nitrogen doped diamond film has a resistivity in the order of 10-4 to 10-2 Ω·cm. The electrode fixing device (3) is a fixed slot type. The electrophoresis nucleic acid and protein molecular results of the conductive diamond film electrode of the present invention are similar to the platinum wire electrode, even better than the platinum wire electrode, and can be easily removed and cleaned repeatedly without damage. After repeated experiments and cleaning electrophoresis The result has no significant change; it has the characteristics of long service life, low maintenance cost, simple preparation method, no pollution, strong corrosion resistance and the like.

The invention belongs to the technical field of electric connectors and particularly relates to a crown spring mounting structure with good restriction and convenient disassembly. The crown spring mounting structure includes a crown spring and a sleeve. Elastic folding plates are uniformly distributed on the outer circumferential surfaces of the two ends of the crown spring. A plurality of throughholes are uniformly arranged on the cylinder surfaces of the two ends of the sleeve. The elastic folding plates are disposed in the through holes and have opposite folding directions. The free ends of the elastic folding plates are abutted against the walls of the through holes. The crown spring mounting structure has the beneficial effects that the axial displacement and the circumferential displacement of the crown spring in the sleeve can be avoided, the connection structure of the crown spring and the sleeve is firmly installed, which is convenient for charging connection; regardless of the diameter of the crown spring, the crown spring is convenient to disassemble and convenient to be taken out of the sleeve, thereby contributing to the maintenance of the crown spring; when the crownspring is maintained, the replacement of the connection structure of the sleeve and the crown spring can be avoided and the maintenance cost is saved.

The invention discloses a production process of loop tweed. The production process comprises the following steps of preparing raw materials of the loop tweed, wherein the raw materials comprise, by weight, 25% of polyester fibers, 25% of 64S Australian short fibers, 30% of 64S Australian wool fibers and 20% viscose fibers; finely spinning the polyester fibers into 38/2-Nm fine spun yarn; finely spinning the 64S Australian short fibers and the 64S Australian wool fibers into 38/2-Nm fine spun yarn; finely spinning the viscose fibers into 4/1-Nm fine spun yarn; conducting beam-warping and blending on the yarn to prepare the 38/2-Nm fine spun yarn and the 4/1-Nm fine spun yarn, wherein the 38/2-Nm fine spun yarn and the 4/1-Nm fine spun yarn are interwoven to serve as weft yarn, and the 38/2-Nm fine spun yarn serves as warp yarn; weaving the spun yarn on a rapier loom through a single-warp single-weft mode; preparing the finished product by conducting the processes of edge sewing, fulling, washing, dewatering, drying, fuzzing, ironing cutting and steaming on woven cloth in sequence. The loop tweed is soft in hand feel, novel in style and easy to take care of.

The invention discloses a self-cleaning spraying rubber asphalt waterproof system and a preparation method. The waterproof system comprises a sealing paint layer, a spraying rubber asphalt coating layer and a super-hydrophobic self-cleaning polyurethane coating layer which are sequentially arranged on a base material from bottom to top. The preparation method comprises the following steps: preparing a spraying rubber asphalt composite material, preparing a super-hydrophobic polyurethane coating solution, brushing sealing paint on the surface of the base material, spraying a rubber asphalt waterproof film on the surface of the sealing paint, and spraying a super-hydrophobic polyurethane coating on the surface of dried rubber asphalt. The problems that the surface of the rubber asphalt absorbs water, the water absorption rate of a coating film is high, water permeates into the rubber asphalt coating film to cause swelling of the coating film, and the rubber asphalt coating film cannot resist frost cracking are solved, and the self-cleaning performance of the spraying rubber asphalt coating film is improved.

The invention discloses ventilation energy-saving equipment for a green building, and belongs to the field of building ventilation, the ventilation energy-saving equipment comprises a rotating pipe, a plurality of fan blades are mounted on the outer surface of the rotating pipe, the rotating pipe rotatably sleeves the outer side of a fixed pipe, a bottom ring is mounted on the outer wall of the top end of the fixed pipe, and a top plate is mounted on the bottom ring through a supporting rod; the top plate is located above the fixed pipe and the rotating pipe, a net cover is installed on the bottom wall of the top plate, a cleaning brush is slidably arranged on the outer side wall of the net cover, a fan is arranged in the fixed pipe, and the fan is installed at the bottom of the main shaft; natural wind and the motor are matched to drive the fan to rotate, outdoor fresh air is quickly blown into a room, the comfort degree of the indoor environment is improved, meanwhile, dust in the air is filtered, the quality of the blown air is improved, the device has a self-cleaning effect, and the manual cleaning cost is saved.

The invention relates to a flush-free toilet which comprises a pedestal pan or a squatting pan 12, a stirring mixer 7 and a spiral conveying dryer 14. A plurality of carrying balls 11 for carrying excrement are contained in the pedestal pan or the squatting pan 12. Excrement is discharged out of the pedestal pan or the squatting pan 12 by discharging the carrying balls. The stirring mixer 7 is used for receiving the excrement and the carrying balls from the pedestal pan or the squatting pan 12 and mixing the two. The spiral conveying dryer 14 comprises a sealed shell 1 and spiral conveying blades 2. The spiral conveying blades 2 can e driven by a spindle 3 to rotate. A spiral passage is formed between the spiral conveying blades and the sealed shell. A dry air inlet 5, a moist air outlet 6, an excrement inlet 15 and a dry excrement residue outlet 16 are respectively disposed at two ends of the spiral passage. The excrement inlet 15 is connected with the outlet of the stirring mixer 7. The invention further relates a flush-free excrement treatment method.