86results about How to "Improve antifouling performance" patented technology

The invention relates to the technical field of comprehensive corrosion prevention and pollution prevention of ships, in particular to a marine high-power ultrasonic pipeline pollution prevention device and a control method thereof. The contact type ultrasonic transducer is mounted on the outer wall of the seawater pipeline and is matched with the high-power driving controller, so that high-power ultrasonic waves can be used for repelling, preventing and treating contaminated marine organisms, and attached marine organisms can be removed to a certain extent; the transducer is arranged on the outer wall of a ship seawater pipeline or a valve box in a contact type installation mode and is connected through a profiling base stud to be installed, so that the whole device is convenient to disassemble, assemble, arrange and maintain, and flowing of seawater in the pipeline is not affected; according to the ultrasonic pipeline anti-fouling device, wheel control logic is adopted, automatic adjustment and alternate intermittent operation are achieved by adding the switching circuit, the power consumption and heat production can be effectively controlled while the ship seawater pipeline anti-fouling effect is guaranteed, the reliability of the device is improved, the size of the device is reduced, and the application prospect is wide.

The invention relates to an antibacterial and anti-fouling ceramic product glaze and a preparation method, and belongs to the technical field of ceramic product glaze preparation, the ceramic product glaze comprises the following raw materials: a component A: a base material, a water glass solution, a sodium bicarbonate solution, a gadolinium nitrate solution, a europium nitrate solution, a silver nitrate solution and sodium cocoate; and the component B comprises the following components: dimethoxy methyl (3, 3, 3-trifluoropropyl) silicon, polysiloxane, dodecenyl succinic anhydride, gamma-methacryloxy propyl trimethoxy silane and white gasoline. Silver nitrate serves as a main material, europium nitrate serves as an auxiliary material, gadolinium nitrate excites the activity of silver and europium ions, and the silver nitrate, the europium nitrate and the gadolinium nitrate cooperate, so that the prepared ceramic product glaze has excellent antibacterial performance; sodium cocoate is added to form a steric hindrance effect, so that agglomeration among system particles is inhibited, and the antibacterial property of the glaze is enhanced; according to the anti-fouling glaze disclosed by the invention, the dimethoxymethyl (3, 3, 3-trifluoropropyl) silicon and the polysiloxane are added, so that the prepared glaze has a lasting anti-fouling effect.

The invention discloses a ceramic tile with an eggshell glaze surface effect and a preparation method of the ceramic tile. The ceramic tile sequentially comprises a green body layer, a first cover glaze layer, a second cover glaze layer, a pattern layer and an eggshell dry granular glaze layer from bottom to top, wherein the preparation raw materials of the eggshell dry granule glaze layer comprise first matte dry granules, second matte dry granules and bright dry granules, the particle size of the first matte dry granules is larger than that of the second matte dry granules, and the particle size of the second matte dry granules is the same as that of the bright dry granules; and the initial melting temperature of the first cover glaze layer is higher than that of the second cover glaze layer. In the high-temperature firing process, the first matte dry particles with large particle sizes form matte convex areas, the second matte dry particles with small particle sizes and the bright dry particles form concave areas with higher glossiness, and the bright dry particles in the concave areas are randomly distributed to form bright spots, so that a vivid eggshell glaze surface effect is obtained; the first surface glaze layer is filled with the second surface glaze layer which is melted firstly, so that the glaze surface, the touch feeling and the antifouling performance are improved.

The invention belongs to the technical field of ceramic tiles, and discloses a light-sensitive ceramic tile with a combined dry particle and dazzling diamond effect and a preparation method of the light-sensitive ceramic tile. The combined dry granules comprise ceramic dry granules and zircon sand dry granules in a mass ratio of (5-9): (1-5), the ceramic dry granules comprise the following raw materials in parts by weight: 2-7 parts of albite, 1-4 parts of dolomite, 15-21 parts of calcite, 9-13 parts of potassium carbonate, 5-10 parts of aluminum oxide, 45-55 parts of quartz powder, 0.5-1.5 parts of barium carbonate and 6-10 parts of zinc oxide. The light-sensitive ceramic tile with the dazzling diamond effect can be obtained by applying the combined dry particles to a glue dry particle layer. The combined dry particles adopted by the invention can enable the ceramic tile to generate a dazzling three-dimensional flash form, and the pattern is more three-dimensional and natural; and the ceramic tile is smooth in glaze surface and good in antifouling effect.

The invention provides pervious concrete prepared from modified recycled aggregate and a nano-reinforced material, and relates to the technical field of building materials, the pervious concrete comprises recycled aggregate, a nano-reinforced material, a cement matrix, a water reducing agent, a surfactant and water, the recycled aggregate comprises waste concrete, tile waste, ceramic fragments and glass waste, and the nano-reinforced material comprises a water reducing agent, a surfactant and water. The modified recycled aggregate and the nanometer reinforcing material are adopted, particularly, after the surface of the recycled aggregate is subjected to acid etching and plasma treatment, the surface of the recycled aggregate is subjected to acid etching and plasma treatment, and the surface of the nanometer reinforcing material is subjected to acid etching and plasma treatment, so that the surface of the recycled aggregate is subjected to acid etching and plasma treatment, and the surface of the recycled aggregate is subjected to acid etching and plasma treatment; the bonding performance with a cement matrix is enhanced, and the mechanical property of the pervious concrete is remarkably improved. The modification treatment ensures that the pervious concrete can meet higher performance requirements in high-strength application scenes (such as heavy traffic roads).

The invention provides a multi-scale constructed high-transparency stable super-hydrophobic coating and a preparation method thereof, multi-scale coupling is introduced to prepare a transparent super-hydrophobic surface, that is, a micron-sized hollow particle and nano-particle collaborative accumulation mode is adopted, and the micron-sized hollow particles can play a supporting role while ensuring the transparency of the micron-sized hollow particles; the diameter of the coupled nanoparticles is about dozens of nanometers and is smaller than one tenth of the wavelength of visible light, so that the influence of Mie scattering and Rayleigh scattering can be reduced to the greatest extent, and high transparency is kept. Meanwhile, the stability of the surface is optimized, it is ensured that the super-hydrophobic surface can achieve the excellent antifouling effect in practical application, and the transparency and mechanical strength of the material are not sacrificed.

The invention relates to the technical field of scale inhibitors, and particularly discloses a preparation method of a corrosion and scale inhibitor, which comprises the following steps: dissolving modified polyaspartic acid in hydrogenated diesel oil, adding an antioxidant, and uniformly mixing to obtain a solution A; dissolving hydrolytic polymaleic anhydride in hydrogenated diesel oil to obtain a solution B; the preparation method comprises the following steps: uniformly mixing an imidazoline oleoyl polyamine corrosion inhibitor and 2-amino-5-methyl-4-phenylthiazole to obtain a mixture C; the preparation method comprises the following steps: adding sodium dodecyl benzene sulfonate into hydrogenated diesel oil, then adding nano titanium dioxide and nano zinc oxide, and uniformly mixing to obtain dispersion liquid D; dissolving a dispersing agent in the hydrogenated diesel oil to obtain a solution E; and mixing the solution A and the solution B in a reactor, heating for reaction, adding the mixture C, heating for reaction, cooling, adding the solution E, adding the dispersion liquid D, heating for reaction, cooling, carrying out solid-liquid separation, and distilling to obtain the product. The corrosion and scale inhibitor prepared in the invention has good temperature resistance.

The invention discloses a high-elasticity breathable fabric and a preparation method thereof, and relates to the technical field of fabrics. The preparation method comprises the following steps: firstly, carrying out esterification reaction on fluorinated dihydric alcohol and terephthalic acid to obtain a fluorinated polymer, then carrying out coating modification on nano titanium dioxide by using chitosan to obtain modified nano titanium dioxide with microsphere morphology, adding the modified nano titanium dioxide as a new filler into a molten fluorine-containing polymer, and carrying out electrostatic spinning operation to obtain the modified nano titanium dioxide / fluorine-containing polymer composite material. The preparation method comprises the following steps: preparing a fiber material with a high specific surface area, and carrying out two-for-one twisting, spinning, weaving and other operations on the obtained fiber to finally prepare the high-elasticity breathable fabric. The high-elasticity breathable fabric prepared by the invention has long-acting antibacterial, anti-ultraviolet, water-resistant and stain-resistant effects.

The invention belongs to the technical field of polymer composite materials, and particularly relates to a preparation method of a super-smooth surface based on modified composite particles, which comprises the following steps: spraying an organic-inorganic hybrid adhesive on the surface of a substrate for curing, and then spraying a modified composite particle dispersion liquid on the surface of the organic-inorganic hybrid adhesive for curing, thereby obtaining the super-smooth surface based on the modified composite particles. And finally, soaking the substrate loaded with the modified composite particles in lubricating oil added with a photoinitiator, and irradiating under ultraviolet light to obtain the super-smooth surface based on the modified composite particles. The prepared super-smooth surface based on the modified composite particles is excellent in performance, and the wear resistance, the mechanical strength and the like of the super-smooth surface can be enhanced.

The invention relates to the field of coating materials, and provides an anticorrosive coating for the bottom of a ship and a preparation method thereof, which is made of the following components: a boron nitride coated capsaicin filler, a boron nitride modified fluorine silicon copolymer, a fluorine phosphorus monomer modified waterborne acrylic emulsion, an epoxy resin, a film former, a defoamer, a dispersant, an initiator, a preservative and deionized water; the preparation method of the coating: the filler is first dispersed in a high speed in a stirring kettle with deionized water, a boron nitride coated capsaicin, a boron nitride modified fluorine silicon copolymer and a dispersant according to a proportion to form a dispersed solution, and then the solution is injected into a paint mixing tank, and the fluorine phosphorus monomer modified waterborne acrylic emulsion, an epoxy resin, a preservative, a film former and a defoamer are added, heated and stirred, and then cooled to room temperature. The anticorrosive coating of the invention has excellent properties such as high wear resistance, high corrosion resistance and inhibition of marine biological attachment, so as to meet the demand for high-performance anticorrosive coatings.

The invention relates to the technical field of marking coatings, and discloses an all-weather double-component reflective porcelain crystal marking coating as well as a preparation method and application thereof. The marking paint comprises a first component, a second component and a modified nano titanium dioxide component, wherein the first component comprises poly (alpha-cyanomethyl acrylate); the second component comprises polymethylacrylic acid; the modified nano titanium dioxide component is modified through a silane coupling agent, so that poly (alpha-cyanomethyl acrylate) and polymethylacrylic acid are bonded together through chemical bonds. The marking paint can be naturally dried and hardened at the temperature of 0-30 DEG C, and the drying and hardening time is 20-30 min. The marking paint is simple in preparation process, integrates multiple properties, does not need heating equipment during use, and has a wide market prospect.

The invention discloses a straw powder filled biodegradable composite material and a preparation method thereof, and relates to the technical field of biodegradable composite materials, the preparation method of the biodegradable composite material comprises the following steps: S1, pretreating straw; s2, impurities are removed through winnowing; s3, removing magnetic impurities; s4, cleaning and drying; s5, performing high-pressure steam treatment; s6, drying in the oven and crushing again; s7, adding into a high-speed mixer and mixing; s8, extruding the biodegradable composite material, and cooling and shaping the biodegradable composite material; and S9, cutting and polishing are conducted, and performance testing is conducted. The biodegradable composite material is prepared from agricultural waste, waste accumulation is reduced, sustainable development is promoted, the straw powder filled biodegradable composite material has biodegradability, high strength and good processability, and the straw powder filled biodegradable composite material is suitable for large-scale production. The problems of reducing agricultural wastes, enhancing mechanical properties and environmental protection performance, improving processability and reducing raw material cost can be solved.

This invention discloses a method for preparing a fluorine-free superhydrophobic nano-silica cotton fabric, belonging to the field of superhydrophobic textile technology. The invention utilizes trichlorooctadecylsilane (OTS), γ-glycidyl etheroxypropyltrimethoxysilane (KH-560), and hexadecyltrimethoxysilane (HDTMS) to modify silica, obtaining a fluorine-free superhydrophobic coating. This coating, applied to the surface of the cotton fabric, results in a fabric with both low surface energy and a rough surface structure, exhibiting excellent superhydrophobic properties. Furthermore, it also imparts durability, self-cleaning, and stain-resistant capabilities to the hydrophobic coating.

The invention discloses a medical silica gel sealing ring material and a preparation method thereof, and relates to the field of silica gel materials. When the medical silica gel sealing ring material is prepared, mica powder, phytic acid, diglycidyl ether and allyl glycidyl ether are uniformly mixed and react to obtain modified mica powder; the preparation method comprises the following steps: reacting 4-(2-aminoethyl) phenylboronic acid with 3, 3 '-dihydroxy-[1, 1'-biphenyl]-4, 4 '-diformaldehyde to obtain a graft; the preparation method comprises the following steps: reacting vinyl silicone oil, thioglycerol and methacryloylethyl sulfobetaine to obtain modified silica gel; uniformly mixing the modified silica gel, the modified mica powder and the graft, and reacting to obtain the medical silica gel sealing ring material. The medical silica gel sealing ring material prepared by the invention has excellent flame-retardant, anti-aging, antifouling and mechanical properties.

The present invention discloses a method for preventing the inner wall of a ship's seawater pipe from being corroded and fouled, and relates to the field of ship protection technology. The present invention is applied to a composite material anti-corrosion coating and anti-fouling technology for the inner wall of a ship's seawater pipe. The coating has excellent anti-corrosion and anti-fouling capabilities, excellent mechanical impact resistance, and good adhesion between the coating and the pipe wall substrate, which perfectly demonstrates the dual protection technology of the coating's anti-corrosion and anti-fouling. The coating prepared by the present invention is composed of polyurea modified resin, inorganic antibacterial powder and other additives and solvents. Compared with traditional polyethylene anti-corrosion coatings, it has better corrosion resistance and mechanical impact resistance, and stronger adhesion to the substrate. It will not fall off or even block the pipeline, affect the normal operation of the pipeline system, or even constitute a safety hazard that poses a normal and safe navigation of the ship, which may occur when polyethylene materials are used as anti-corrosion coatings.

The utility model discloses an anti-climbing ground plug type lawn lamp which structurally comprises a ground plug, a lamp body, a swing ring, a solar cover and an auxiliary plug, the ground plug and the auxiliary plug are fixed to the lower surface of the lamp body, the swing ring comprises a connecting layer, a pulling strip, a connector, a super-hydrophobic silica gel coating and a rubber block, and the connecting layer and the super-hydrophobic silica gel coating are of an integrated structure. The connecting layer is fixed to the upper surface of the lamp body, the rubber block, the pulling strip and the connector are of an integrated structure, the connector is connected with the inner side of the super-hydrophobic silica gel coating, the rubber block is connected with the solar cover, and the ground plug is in a small-to-large form to assist the whole to smoothly enter a lawn and the super-hydrophobic silica gel coating, and the characteristic of the ground plug can effectively prevent snails from adsorbing and climbing. When a small number of snails climb upwards continuously, the super-hydrophobic silica gel coating can bend and droop under the action of gravity, gravity center balance of the snails is damaged, the snails slide down, and therefore the situation that the luminous energy absorption efficiency of the solar panel is affected by mucus residues is avoided, and the maintenance-free lasting antifouling effect is achieved.

The application discloses a kind of multistage synergic covalent grafting type hydrolysis-resistant self-cleaning PET submarine cable monofilament and preparation method, the monofilament includes three parts of core layer, skin layer and surface layer, the core layer is the high viscosity polyethylene terephthalate resin containing carbodiimide anti-hydrolysis agent;Skin layer is the modified PET resin of functional polysiloxane covalent grafting, wherein the functional polysiloxane has epoxy end group or isocyanate end group, and main chain has Si-H group;Surface layer is the fluorine-free low surface energy layer formed by polyvinyl long side chain alkane polysiloxane and residual Si-H group in skin layer through hydrosilylation reaction.The application significantly improves the durability of monofilament in humid heat environment, so that it is suitable for long-term humid heat service environment such as marine cable and industrial fabric, and can maintain stable mechanical strength and self-cleaning performance for a long time.

The invention discloses a preparation process of an anti-breaking glass material, and relates to the field of glass materials. When the anti-breaking glass material is prepared, nano silicon dioxide sequentially reacts with 3-(N-allylamino) propyltrimethoxysilane and ethylene oxide-2-methyl sodium sulfonate to obtain modified nano silicon dioxide; the preparation method comprises the following steps: uniformly mixing potassium titanate whiskers, maleic anhydride, methyl acrylate and 2-methyl-1, 3-butadiene to obtain modified potassium titanate whiskers; the preparation method comprises the following steps: reacting 5-(dimethylamino)-2-hydroxybenzaldehyde with 3-aminopropyl trimethoxy silane to obtain functionalized trimethoxy silane; then enabling tetraethoxysilane and the functionalized trimethoxysilane to react, and grafting 4-chlorobutene to obtain quaternized silica sol; uniformly mixing the modified nano silicon dioxide, the modified potassium titanate whisker, the quaternized silica sol and the hydrogen-containing silicone oil, and spin-coating a glass substrate with the mixture to obtain the anti-breaking glass material. The anti-breaking glass material prepared by the invention has excellent antifouling property, wear resistance and impact resistance.

The invention discloses satin glaze, an antifouling and wear-resistant satin glazed tile and a preparation method of the satin glaze, and belongs to the technical field of ceramic production processes. By adopting the satin glaze formula of a matte system consisting of Ca, Mg, Ba, Zn and Sr, the use of high-temperature materials is reduced, and the vitrification degree of the glaze is improved, so that the anti-fouling satin glaze has strong anti-fouling capability. And while the glossiness and the antifouling capability are ensured, aluminum oxide is properly added to improve the wear resistance of the glaze surface. The glossiness of the prepared product measured by a glossiness meter is 10-15 degrees, the antifouling capability is good, the surface flatness is lower than + / -0.2%, the wear resistance reaches grade 4 2100 revolutions, and the glaze surface has a silky touch feeling.

The utility model discloses an anti-fouling wear-resistant coat in a children suit, which comprises a coat body, sleeves are arranged on both sides of the surface of the coat body, a first protection mechanism for improving the anti-fouling wear-resistant performance of cuffs is arranged at the lower ends of the sleeves, and the first protection mechanism comprises a protection layer, a first magic tape and a second magic tape. Protective layers are arranged on one sides of the lower ends of the sleeves, first hook-and-loop fasteners are fixedly arranged on the outer sides of the protective layers, second hook-and-loop fasteners are fixedly arranged on the outer side surfaces of the sleeves, and a second protective mechanism for protecting the chest position of the clothes body is arranged between the outer side surface of the clothes body and the protective layers. The wear-resistant protective layer is arranged on the outer side of the clothes, the wear-resistant protective layer is convenient to disassemble, assemble and clean, and meanwhile, a bib can be quickly formed when needed to assist a child in preventing missing food from polluting the chest position of the clothes body when the child has a meal, so that the anti-fouling effect of the device can be further improved.

The application discloses a weather-resistant hydrophobic antireflection and antifogging film and a preparation method thereof, relates to the technical field of films, and the weather-resistant hydrophobic antireflection and antifogging film comprises a bottom layer, an intermediate layer, a top layer and a modifier layer; the bottom layer, the intermediate layer and the top layer are prepared by coating bottom layer coating sol, intermediate layer coating sol and top layer coating sol on a glass substrate in sequence and solidifying; the bottom layer coating sol, the intermediate layer coating sol and the top layer coating sol all comprise tetraethyl orthosilicate, anhydrous ethanol, water, hydrochloric acid and a template agent; and the modifier is prepared by mixing a nano cerium oxide emulsion and a substrate material emulsion. The antireflection and antifogging film provided by the application not only has excellent transmittance, but also has excellent hydrophobicity and weather resistance.

This invention discloses a chromium-free passivation and fingerprint-resistant composite treatment method for high-aluminum-zinc-aluminum-magnesium steel plates, belonging to the field of metal sheet surface protection technology. The specific steps of the method are as follows: A fine-grained high-aluminum-zinc-aluminum-magnesium steel plate is selected as the substrate, and firstly, it undergoes multi-stage cleaning and hot air drying. Next, the dried substrate is immersed in a composite chromium-free passivation solution to form a passivation precursor film. Then, a porous inorganic passivation layer is prepared through low-temperature hot air curing. Subsequently, a modified fingerprint-resistant resin is roller-coated onto its surface to form an organic precursor film. Finally, a constant-temperature curing treatment is performed to produce a chromium-free passivation and fingerprint-resistant composite film. This invention uses multi-stage cleaning and chromium-free passivation processes on the high-aluminum-zinc-aluminum-magnesium steel plate to form a porous inorganic passivation layer, enhancing corrosion resistance. Then, a composite protective film layer is constructed by reverse roller coating of modified fingerprint-resistant resin, achieving functional integration. This process improves the environmental protection and protective properties of the plate, meets the needs of multiple fields, and expands the application scenarios and market scope.

The invention discloses a metal covalent organic framework material, a mediated steady-state electrochemical luminescence sensor and application of the mediated steady-state electrochemical luminescence sensor in the field of escherichia coli detection.The preparation method of the metal covalent organic framework material comprises the steps that tris (4, 4 '-dicarboxylic acid-2, 2'-bipyridyl) ruthenium dichloride, 1, 2, 4, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, the preparation method comprises the following steps: adding 1, 3, 5-phenylenetetramine tetrahydrochloride and polyphosphoric acid into a polytetrafluoroethylene autoclave, heating at 150 DEG C for 24 hours, and then heating at 180 DEG C for 24 hours to obtain a mixture; and adjusting the pH value of the obtained mixture to 8.5 by using a saturated NaHCO3 solution, precipitating black powder, collecting the black powder by centrifugation, washing for 12 hours by using a Soxhlet extractor in sequence by using water, methanol and acetone, and carrying out vacuum drying on the washed black powder at 100 DEG C for 6 hours to obtain the ruthenium metal covalent organic framework material. According to the invention, the Ru-MCOFs material is used as a signal source of an electrochemical sensor, a PEG-CS modified interface is constructed on an electrode so as to enhance the antifouling property of the sensor in a complex matrix, and a large amount of Ru-MCOFs material is fixed on the surface of the electrode by adopting a molecular amplification method (polymerase chain reaction PCR and HCR), so that the stable electrochemical sensor is developed and assembled; the method can be used for detecting common food-borne pathogenic bacteria.

The present invention provides a nylon anti-fouling and easy-to-clean zipper and a corresponding zipper manufacturing method, wherein the zipper comprises a slider, a tooth row, a core wire, a zipper tape and an anti-fouling film layer; wherein two tooth rows that are interlocked and connected to each other are sewn one by one along the side edges of the two zipper tapes and connected, the core wire passes through the tooth row along the length direction of the tooth row, the anti-fouling film layer is arranged on one surface of the zipper tape, the tooth row, the zipper tape and the anti-fouling film layer are all connected in the locking groove of the slider, the slider is used to interlock or disengage the two tooth rows, when the two tooth rows are interlocked and connected to each other, the two anti-fouling film layers are butted and contacted to form a seal, and an anti-fouling agent is applied to the anti-fouling film layer, the tooth row and the core wire. The nylon anti-fouling and easy-to-clean zipper of the present invention is anti-fouling by the cooperation of the anti-fouling film layer and the anti-fouling agent, and has a good anti-fouling effect, and even if it is deformed after long-term use, the anti-fouling effect can still be obtained through the anti-fouling agent.

The invention belongs to the field of separation, and particularly relates to a method for preparing a bacteriostatic ultrafiltration membrane based on modified bacterial cellulose, the ultrafiltration membrane and application. The antibacterial ultrafiltration membrane prepared based on the modified bacterial cellulose comprises a base membrane and the modified bacterial cellulose arranged on the surface of the base membrane. The used modified bacterial cellulose has a long-acting antibacterial effect, is used for preparing the ultrafiltration membrane, effectively prevents attachment of microorganisms, and enhances the anti-pollution effect of the membrane. The preparation method is simple to operate. The bacterial cellulose used in the invention is a natural biological substance, and is green, healthy and pollution-free.

The invention discloses an antifouling coating for a tile surface and a preparation method thereof, belonging to the technical field of coatings. The antifouling coating comprises the following raw materials in parts by weight: 30-50 parts of aqueous acrylic emulsion, 10-20 parts of antifouling filler, 0.2-0.5 parts of defoamer, 0.1-0.3 parts of leveling agent and 50-80 parts of deionized water; the aqueous acrylic emulsion and the deionized water are mixed and stirred at a uniform speed for 10 minutes, then the defoamer, the leveling agent and the antifouling filler are added in sequence, and the mixture is stirred evenly to obtain the antifouling coating for the tile surface; the perfluoroalkyl structure on the antifouling filler structure can give the coating excellent hydrophobic antifouling performance, and the introduced cationic quaternary ammonium salt structure can kill bacteria attached to the surface of the coating, and the introduced fluorine element can synergistically improve the antifouling effect.

The invention relates to the technical field of coating preparation, in particular to a preparation method of a durable amphiphobic anti-icing coating with passive radiation cooling performance, which comprises the following steps: S1, taking a proper amount of SiO2 nanoparticles, adding deionized water, uniformly dispersing, adding FS-61 into the deionized water, stirring, then adding KH560, stirring for 1-2 hours at 90-120 DEG C, recovering the temperature of the solution to normal temperature, filtering, washing, and drying to obtain the durable amphiphobic anti-icing coating with passive radiation cooling performance. Adding PFAS, stirring until the reaction is finished, adding polyurethane gloss oil into the reactant, uniformly stirring, adding an aziridine cross-linking agent, and continuously stirring to obtain a PFK-SiO2 dispersion liquid; and S2, uniformly spraying the amphiphobic liquid prepared in the step S1 on the surface of a base material, and curing the sprayed base material at high temperature in a drying oven to obtain the amphiphobic anti-icing coating on the surface. The waterborne polyurethane coating with excellent mechanical property and antifouling property is constructed through covalent grafting of the epoxy ring-opening reaction and the waterborne polyurethane gloss oil.