40results about How to "Well dispersed" patented technology

The invention discloses a cellulose nanocrystal suspension and a preparation method thereof. The suspension comprises water and cellulose nanocrystals dispersed in water, and the cellulose nanocrystals are rodlike nano particles with the length-width ratio being 1:100. The preparation method comprises the following steps: performing pretreatment on cellulose raw material; adding an 0.1-30 times by weight of oxidant in the pretreated cellulose raw material, and hydrolyzing for 1 to 24 hours at 20 to 80 DEG C to obtain a hydrolysate; adding 1 to 10 times the weight of distilled water in the hydrolysate to dilute to remove the oxidant to obtain solution with the PH value being 5 to 9; and further reducing the sizes of the particles through a mechanical method to obtain the cellulose nanocrystal suspension. The nanomaterial can be prepared by renewable resources, the cost is low, the synthesis technology is simple, the synthesis process is green and free from contamination, and the obtained product is green and environmental-friendly.

An aliphatic series polyisocyanurate preparation method includes the following steps: isocyanate and complex catalytic system formed by quaternary ammonium salt and inert alcohol solvent are added to a static mixer to lead isocyanate to have polymerization reaction, and then the formed product flow is transferred to a dynamic reactor for continuing the polymerization reaction; the reaction solution obtained in the polymerization reaction is processed by a second-level evaporator to obtain polyisocyanurate product. The preparation method can well control the reaction activity of the catalyst, causes the trimerization of isocyanate to be carried out in mild conditions and accordingly obtains tripolymer products with very high quality.

The invention relates to a method for preparing graphene load nano silver-nickel alloy composite powder materials. The method aims to solve the problems that graphene load nano silver-nickel alloy composite materials prepared in the prior art are nonuniform in scattering and poor in chemical stability. The method comprises the first step of intercalation and expansion, the second step of stripping and the third step of the preparation of the graphene load nano silver-nickel alloy composite powder materials. Oxidized graphene is prepared through an oxidation-reduction method, then the oxidized graphene, silver ions and nickel ions are mixed and restored through reducing agents to obtain the graphene nano silver-nickel alloy composite materials, the method is simple and fast, any surface dressing agent does not need to be added, and alloy particles on the surface of the graphene are uniform in distribution and stable in chemical performance. The method is used for preparing the graphene load nano silver-nickel alloy composite powder materials.

The invention relates to a preparing method of a flame retardant, in particular to a preparing method of a phosphorus nitrogen high load graphene flame retardant. The method comprises the following steps: (1) performing a surface grafting reaction on isocyanate and graphene oxide to prepare isocyanate functionalized graphene; (2) reacting the isocyanate functionalized graphene with dendrimer polyamide-amine (PAMAM) to prepare dendrimer functionalized graphene; (3) reacting the dendrimer functionalized graphene with a phosphoryl chloride compound to prepare the phosphorus nitrogen high load graphene flame retardant. The phosphorus nitrogen high load graphene flame retardant can retard flaming of a modified high polymer material and can improve mechanical properties of the high polymer material.

The invention relates to a preparation method of nanometer NaY molecular sieve, which is as follow: under the hypergravity condition of the revolving bed, performing guiding agent preparation, mother solution preparation, and mixing of guiding agent and mother solution, and the sequent crystallization of the reaction product. The invention enables to shorten the crystallization reaction time, simplify the technological process and prepare the high-quality nanometer NaY molecular sieves. The nanometer NaY molecular sieve catalyst prepared through the method can be used for the catalytic cracking of the heavy oil. Compared with the normal industrial molecular sieve, the nanometer NaY molecular sieve has the advantages of great increase of gasoline productivity, diesel fuel productivity, clean oil yield and total-liquid yield, improvement of the product selectivity, and obvious improvement of the product distribution.

The invention discloses a high-flow, high-modulus, flame-retarding polypropylene composite material for an LFT-D production process. The composite material is composed of following components, by weight, 70-90 parts of polypropylene, 3-10 parts of a compatilizer, 0-0.5 parts of a lubricant, 0-5 parts of an anti-glass fiber exposure agent, 0.1-0.5 parts of an antioxidant, 0-0.5 parts of a photo-stabilizer, 5-25 parts of a flame retardant and 0-5 parts of other additives. The polypropylene composite material has high flowability and modulus and is suitable for a full-automatic LFT-D production process. A product can have a complex structure, is large in breadth and has good size stability.

The invention discloses a nano aramid / boron nitride heat-conduction thin film with a low dielectric constant and a preparation method thereof. The preparation method comprises the following steps: firstly, uniformly mixing aramid fibers, strong alkali and dimethyl sulfoxide by stirring to prepare a nano aramid fiber solution; washing the hexagonal boron nitride powder by acetone, carrying out drying, then adding a polar organic solvent, and carrying out ultrasonic treatment to prepare hexagonal boron nitride nanosheets; dialyzing the nano aramid fiber solution in ultrapure water; then adding the hexagonal boron nitride nanosheet dispersion liquid, carrying out stirring, and then carrying out water-bath ultrasonic treatment to obtain a nano aramid boron nitride dispersion liquid; and carrying out vacuum suction filtration on the nano aramid boron nitride dispersion liquid, uncovering a film after the filtrate is dried, and carrying out vacuum drying and press polish to obtain the nano aramid / boron nitride heat-conduction thin film. The thermal conductivity of the film is 0.1906-0.5769 W / (m*K), the dielectric constant is smaller than 2.5, the tensile strength of the film exceeds 71.45 MPa, and requirements of high-frequency electronic communication elements are completely met.

The invention discloses an N-doped carbon layer wrapped hollow-porous nickel oxide composite material, which adopts an ionic liquid as a coating agent to form an N-doped carbon layer after carbonization coated upon a nano nickel oxide surface of a hollow-porous structure with a particle size of 200-300 nm. The preparation method for the composite material comprises the steps as follows: dispersing carbamide, nickel chloride hexahydrate and sodium acetate into ethylene-glycol, conducting a solvothermal reaction and obtaining a precursor body of a spherical carbonic acid hydrogen nickel; dispersing the precursor body into a 1-butyl-3-methylimidazole tetrafluoroborate ionic liquid, treating through adopting a solvothermal method, conducting a thermal treatment with argon gas to the product and obtaining the composite material. The N-doped carbon layer wrapped hollow-porous nickel oxide composite material provided by the invention adopts the unique nano hollow and porous structure, and is small in particle size and good in dispersity, excellent in electric conductivity and electric discharge stability, is applicable to anode materials of lithium ion secondary electrodes; the adopted solvothermal preparation method is simple, economical, and suitable for industrialized mass production.

An organic high-molecule / inorganic nano composite resistance type moisture-sensitive film element is prepared through providing microcrystal glass as substrate, arranging multiple pairs of interdigital gold electrodes on it, immersing it in moisture-sensing liquid to become film, heat treating and cross-linking. Its advantages are low cost, high water-proofing nature, response linearity and sensivity, and high response speed.

The invention discloses composite and efficient oil-water-separation filter paper for a hydraulic filter. The composite and efficient oil-water-separation filter paper is prepared by, by weight, 50-55 parts of 3-5mm alkali-free superfine glass fiber, 55-60 parts of bleached softwood pulp, an appropriate amount of distilled water, 0.8-1 part of anionic polyacrylamide, an appropriate amount of concentrated sulfuric acid with the concentration being 98wt%, 10-12 parts of nano titanium dioxide, 20-25 parts of ferroferric oxide colloidal solution with the solid content being 30%, an appropriate amount of anhydrous ethanol, 60-65 parts of fluoro-silicon emulsion with the solid content being 40wt%, 1-1.2 parts of alkenyl succinic anhydride, 7-8 parts of sisal fiber, 3-4 parts of waste rubber powder, 0.9-1.1 parts of silane coupling agent kh550, 1.5-2 parts of organic silicon emulsion and 2-3 parts of urea. By the scientific and reasonable component proportion, the composite and efficient oil-water-separation filter paper is good in absorbability, good in hydrophobic and oleophylic performance and capable of efficiently separating oil and water. When the filter paper is applied to the hydraulic filter, hydraulic equipment can be well protected.

The invention relates to a method for detecting carmine in a food by using a graphene-loaded Pt single-atom composite material, and belongs to the field of electrochemical analysis detection technology or food safety. The graphene-loaded Pt single-atom composite material is prepared by mainly adopting an underwater liquid medium plasma arc discharge method, and the graphene-loaded Pt single-atom composite material is applied to electrochemical detection of the carmine. The prepared graphene-loaded Pt single-atom composite material is dispersed into high-purity water and is subjected to ultrasonic treatment for half an hour to prepare a dispersion liquid; the graphene-loaded Pt single-atom (GN / Pt1) dispersion liquid are dispensed on the clean GCE surface and are dried under an infrared lamp to obtain GN / Pt1 / GCE. Fast detection is carried out by using the electrochemical catalysis action of the GN / Pt1 / GCE on the carmine through a square wave stripping voltammetry. The method has the advantages of being fast, good in selectivity, and high in sensitivity.

The invention discloses a composite carrier, a pH response type compound drug-loading system and a preparation method of the composite carrier. The composite carrier disclosed by the invention comprises carboxymethyl chitosan and mesoporous silica, wherein the carboxymethyl chitosan is grafted on the surface of the mesoporous silica through 3-glycidyl ether trimethoxy silane; and the pH response type compound drug-loading system disclosed by the invention comprises the composite carrier and macromolecular protein medicines. The composite carrier disclosed by the invention has super-large aperture and pore volume, and a three-dimensional communication channel structure; the limitation of a traditional mesoporous silica-based carrier channel in size is overcome; the composite carrier can be used as an ideal carrier for bearing the macromolecular protein medicines; the activity of the loaded protein can also be effectively maintained; and a new choice is provided for loading and response type fixed-point release of large-size protein medicines.

The invention relates to a method. At present, researches about a cladded type polyacrylate-based graphene nano composite material prepared through covalent crosslinking are rarely reported. The method provided by the invention is realized through the following steps: firstly, taking sodium dodecyl sulfate and branched secondary alcohol ethoxylates as emulsifiers, taking butyl acrylate and methyl methacrylate as main monomers and taking diacetone acrylamide as a functional monomer; carrying out an emulsion polymerization method on the components to prepare carbonylated polyacrylate emulsion; then, enabling a graphene oxide water solution prepared by utilizing an improved Hummers method and adipic dihydrazide to react at 30 DEG C for 10h to 12h, so as to prepare aminated graphene oxide; and finally, enabling the carbonylated polyacrylate and the aminated graphene oxide to be subjected to a ketone-hydrazide crosslinking reaction under a weak acidic condition (wherein the pH (Potential of Hydrogen) is equal to 4 to 5), so as to prepare a covalent crosslinking cladded type polyacrylate-based graphene nano composite finishing agent. The covalent crosslinking cladded type polyacrylate-based graphene nano composite finishing agent is applied to leather finishing so that the wear-resisting performance of a finished leather sample is improved.

The invention provides a modified polyol and a preparation method thereof, and a modified polyurethane material and preparation method and application thereof. The modified polyol includes a polyol matrix and micro-nano lignocellulose dispersed in the polyol matrix; the polyol matrix is selected from polyester polyol and / or polyester polyol. Micro-nano cellulose contained in the micro-nano lignocellulose provided herein has a large amount of hydroxyl radicals which may form binding sites with the polyol matrix; therefore, the micro-nano lignocellulose can be well dispersed in the polyol matrix, and the polyurethane material prepared with the polyol as a matrix is enhanced and toughened.

The present invention relates to a lubricating grease, which comprises base oil, 12-hydroxystearic acid, lithium hydroxide, potassium hydroxide, petroleum calcium sulfonate, rosin, vegetable oil, (NH4)xMoS2, a first solid additive, a second solid additive, a first composite modifier comprising trioctylmethylammonium bromide, glycerol and polytetrafluoroethylene, a second composite modifier comprising diphenylamine, 2,6-di-tert-butyl and benzotriazole, and a third composite modifier comprising sulfurized cottonseed oil T404, bis(2-mercapto-4-n-propylamino-1,3,5-triazine)thioether and bis(2-mercapto-4-cyclopentylamino-1, 3,5-triazine)thioether. The lubricating grease of the present invention has advantages of good sealing performance, strong corrosion resistance, excellent anti-wear performance, and excellent anti-extreme pressure performance.

A preparation method of a Na3+2xZr2-xMxSi2PO12 solid electrolyte powder material is disclosed. The invention belongs to the technical field of solid electrolyte materials and especially relates to a preparation method of a natrium super ionic conductor powder material. The invention aims to solve the problems of high reaction temperature and low conductivity by existing high-temperature solid state methods and the problem that powders obtained by existing sol-gel technologies are severely agglomerated. The method provided by the invention comprises the following steps: Step 1, dissolving NaNO3, ZrO(NO3)2.2H2O, M(NO3)2.nH2O and (NH4)2HPO4 by the use of deionized water; Step 2, adding deionized water and a dispersant into anhydrous ethanol, adding TEOS, and adjusting pH; Step 3, successively dropwise adding four solutions obtained in the Step 1 into sol obtained in the Step 2; Step 4, standing and ageing under sealed and light-proof conditions, and drying to obtain a precursor; and Step 5, calcining and grinding to obtain the Na3+2xZr2-xMxSi2PO12 powder.

The invention discloses a hydraulic oil filter paper for realizing high-efficiency oil-water separation, which is prepared from the following raw materials in parts by weight: 3-5 mm alkali-free ultrafine glass fiber 50-55, bleached coniferous wood pulp 55-60, distilled water in an appropriate amount, Anionic polyacrylamide 0.8-1, an appropriate amount of concentrated sulfuric acid with a concentration of 98wt%, nano-titanium dioxide 10-12, a solid content of 30% iron ferric oxide colloid solution 20-25, an appropriate amount of absolute ethanol, and a solid content of 40wt% fluorine Silicon emulsion 60-65, dispersant NNO0.8-1, zeolite molecular sieve 3-4, sodium polystyrene sulfonate 0.2-0.3, peat soil 2-3, sodium bicarbonate 0.4-0.5, microcrystalline paraffin 0.8-1. The filter paper of the invention has good adsorption efficiency, realizes oil-water separation, improves the clarity of hydraulic oil, and prolongs the service life.

The invention relates to a thermally conductive composite material and a preparation method thereof. The technical problem that the existing composite material has poor thermal conductive performance is solved. The thermally conductive composite material comprises graphene and a resin matrix and further comprises thermoplastic micro-particles, wherein the graphene is enriched in the surfaces of the thermoplastic micro-particles, and the thermoplastic micro-particles are dispersed in the resin matrix. The invention also discloses a preparation method of the thermally conductive composite material. The thermally conductive composite material and the preparation method thereof provided by the invention can be used in the field of preparation of the thermally conductive composite material.

The invention relates to a high-flame retardance polyolefin cable material and a preparation method thereof, and particularly relates to polyolefin particles for manufacturing an insulating or jacket layer of a high-flame retardance electric wire and cable and a preparation method thereof. The high-flame retardance polyolefin cable material is prepared from the raw materials such as linear low-density polyethylene resin, ethylene-vinyl acetate copolymer resin, a halogen-containing flame retardant system, a flame retardant synergist, an antioxidant and a lubricant by mixing in a closed mixing mill and extruding in a six-temperature section twin-screw extruder. By adopting the high-flame retardant polyolefin cable material provided by the invention, the manufactured electric wire and cable have a high flame retardance level. When being applied to a building, the high-flame retardance polyolefin cable material can meet the flame retardance requirement no matter with horizontal wiring or vertical wiring.

The invention discloses a hydraulic filter filter paper with mixed fillers, which is prepared from the following raw materials in parts by weight: 50-55 mm of alkali-free ultrafine glass fiber of 3-5 mm, 55-60 mm of bleached coniferous wood pulp, appropriate amount of distilled water, Anionic polyacrylamide 0.8-1, an appropriate amount of concentrated sulfuric acid with a concentration of 98wt%, nano-titanium dioxide 10-12, a solid content of 30% iron ferric oxide colloid solution 20-25, an appropriate amount of absolute ethanol, and a solid content of 40wt% fluorine Silicon emulsion 60-65, PAE wet strength agent 0.8-1, white carbon black 7-8, mica powder 3-4, nano bamboo carbon powder 2-3, PVC resin powder 2-3, stearic acid emulsion 2-3. The surface of the filter paper made by the invention is fine and porous, has good gas permeability, has both strength and toughness, and has good effects of high temperature resistance and corrosion resistance.

The invention relates to a spiral-flow-type automatic mud scraping and filtering system and method. The system comprises a filtering device and a control system, the filtering device comprises a shell, the shell is provided with a water inlet pipe, a water outlet pipe and a mud discharge pipe, and the water inlet pipe is of a diameter varying structure so that inlet water can generate spiral flow;an air inlet pipe is connected to the water outlet pipe, a water inlet electromagnetic valve, a water outlet electromagnetic valve, an air inlet electromagnetic valve and a mud discharge electromagnetic valve are arranged on the water inlet pipe, the water outlet pipe, the air inlet pipe and the mud discharge pipe respectively, and an air pump and all the electromagnetic valves are connected withthe control system separately; the shell is internally provided with a filter and an automatic mud scraping device, the automatic mud scraping device is mainly composed of a mud scraper arranged on the filter, a mud scraper moving track, a signal converter arranged outside the shell and a power driving device used for driving the mud scraper to reciprocatingly scrape mud, and the control system is connected with the power driving device through the signal converter. By means of the system and method, impurities in water can be effectively filtered out, the effect and efficiency of removing accumulated impurities can be improved, and long-term stable running of the filtering device is guaranteed.

The invention relates to a method and device for preparing a nano-TiO2 functionalized micro- / nano-dispersion by a supercritical CO2 fluid method. The method comprises the specific steps of adding TiO2 nano-powder, anhydrous ethanol, surfactants such as acetylacetone and triton, and functionalization modified or doped adjuvants such as copper phthalocyanine into a reactor according to a certain ratio, carrying out heating and stirring dissolution, introducing refrigerated CO2 fluid into the reactor, and carrying out a supercritical mixing reaction, cooling depressurizing, exhausting decompression and cooling, thereby obtaining the concentration-adjustable functionalized TiO2 micro- / nano-dispersion. According to the device for preparing the nano-TiO2 functionalized micro- / nano-dispersion by the supercritical CO2 fluid method, disclosed by the invention, a U-shaped cooling coil in the reactor, a cooling water recirculating system, a three-layer-paddle stirrer and a CO2 liquefaction and re-pressurization system are designed, so that the control on nano particle size of the micro- / nano-dispersion is facilitated, and the agglomeration of nanoparticles is reduced. The method and the device are similarly applicable to the preparation of functionalized micro- / nano-dispersions of other nano-powders and organic solid compounds.

The invention discloses a method for preparing nano SiO2 through a microemulsion online monitoring process. The method includes: preparing nano SiO2 through the microemulsion process; adopting an online granularity analysis system to continuously monitor change of particle diameter of SiO2 particles; analyzing changing tendency of characteristics of the nano SiO2 particles within 24h, like granularity and number to regulate size of microemulsion balls and hydration particle diameter of nano SiO2. SiO2 prepared by the method is controllable in particle diameter, narrow in distribution and highin dispersity, and average particle diameter of SiO2 is within a range of 50-400nm.

The invention belongs to the technical field of filter paper preparation and particularly relates to a preparation method of pressure-resistant anti-high temperature oil-water separation filter paper.In the invention, glass fibers and softwood pulp are mixed to obtain magnetic powder, which has excellent magnetism, so that the filter paper can adsorb the mechanical impurities, such as metal abrasive dust, during hydraulic filtration better; in addition, whiteness of the magnetic powder can be increased, and latex particles are uniformly dispersed in pores of the fiber paper and on surfaces offibers, so that the filter paper has abundant pores and is excellent in oil-water separation effect. The preparation method can increase the performance of break resistance and tensile strength. A glue application liquid not only increases the strength of the filter paper but also improves adsorption efficiency of the filter paper; after the glue application liquid is dried and cured, a layer oforganic high temperature resistant thin film is formed on the surface of the paper fibers, so that surface temperature of the fibers is reduced, softening and thermal degradation of the fibers are avoided, and high-temperature resistance of the oil-water separation filter paper is enhanced. The product has extensive application prospect.

The invention discloses a method for dispersing a carbon nano-tube, which can be used for effectively peeling and dispersing a carbon nano-tube bundle by utilizing the noncovalent interaction between a conjugate macrocycle molecule (dispersing agent) and the carbon nano-tube and the hydrogen bond network structure formed among molecules of the dispersing agent. The method comprises the following steps: adding the dispersing agent and the carbon nano-tube into an ultrasonic container filled with a dispersing solvent, and performing ultrasonic treatment at room temperature to obtain a coarse sample of the carbon nano-tube dispersing solution; and centrifugally removing the carbon nano-tube bundle which is uniformly dispersed to obtain a dispersing solution which is uniformly dispersed. According to the method, the aim of efficiently dispersing the carbon nano-tube (yield is 75 percent) can be achieved under a low dispersing agent dosage (the concentration is reduced to 0.005mg / mL) by selecting an efficient dispersing agent.

The invention discloses a hydraulic oil filter element filter paper with cellulose to improve the filtration efficiency, which is prepared from the following raw materials in parts by weight: 50-55 mm of alkali-free ultrafine glass fiber of 3-5 mm, 55-60 mm of bleached coniferous wood pulp, and distilled water Appropriate amount, 0.8-1 of anionic polyacrylamide, appropriate amount of concentrated sulfuric acid with a concentration of 98wt%, 10-12 nanometer titanium dioxide, 20-25% of ferric oxide colloidal solution with a solid content of 30%, appropriate amount of anhydrous ethanol, and a solid content of 40wt% Fluorosilicone emulsion 60-65, cellulose micropowder 6-7, 4mol / L sodium hydroxide solution 8-9, dimethyl silicone oil 1.5-2, organic tin laurate 0.4-0.45, dolomite 3-4, seaweed Sodium acid 0.9-1.1. The filter paper made by the invention is firm and tough, not easily damaged, has a long service life and prolongs the replacement time.

The invention discloses a preparation method of a cationic suspension stabilizer of papermaking titanium dioxide, belonging to the technical field of a suspension stabilizer of papermaking titanium dioxide. The method comprises the following steps: (A) controlling the temperature of water bath to 75-85 DEG C, and fetching methacryloyloxyethyl trimethyl ammonium chloride, hydroxy-propyl acrylate and styrene in a mass ratio of 3:1:1 for later use; (B) fetching a chain transfer agent and an emulsifier and adding together with the standby materials fetched in the step (A) into a container with water, and stirring uniformly; and (C) preparing an aqueous solution of ammonium persulfate with solid content of 2-4%, dropwise adding the aqueous solution of ammonium persulfate into the container of the step (B), and preserving heat for 2-3h to obtain a cationic suspension stabilizer with solid content of 15-25%. By adopting the suspension stabilizer produced by the preparation method, titanium dioxide can be perfectly dispersed in a waterborne system, the non-transparency and whiteness of paper are improved, the printing is facilitated without penetration, and the retention rate of titanium dioxide in the paper sheets can be increased.

The invention belongs to the technical field of high polymer material modification, and particularly relates to a polymer modified PP granule efficient reaction device for a protective mask, wherein the polymer modified PP granule efficient reaction device comprises a reaction cylinder; a feeding hopper is arranged at the top of the reaction cylinder, and a heating assembly is arranged around thecylinder wall; a charging cooling assembly and a vertically arranged stirring roller are arranged in a cylinder cavity of the reaction cylinder; an inverted conical cavity is formed in the bottom of the reaction cylinder; a conical cavity is formed in the reaction cylinder, a discharging hole is formed in the edge of the bottom of the reaction cylinder and communicated with the conical cavity, anauger which is obliquely arranged is arranged in the conical cavity, the feeding end of the auger is aligned with the discharging hole, and the discharging end of the auger is aligned with a discharging pipe arranged at the bottom of the conical cavity. By means of the reaction device provided by the invention, the mixing effect of polypropylene granules and modified materials is improved, and theuniformity and high efficiency of modified production are improved.

The invention discloses a carbon nanotube conductive composite and a preparation method thereof. The carbon nanotube conductive composite comprises, by mass percentage, at least 1% of carbon nanotubes, 0.1%-1.0% of a pi-pi action control agent, a dispersant and a dispersion medium, wherein the pi-pi action control agent is a nitrogen-containing heterocyclic organic matter. According to the preparation method, a kinetic method is adopted, pi-pi interaction among the carbon nanotubes is utilized, and the conductive composite can form a reversible gel system on the basis of ensuring that the system has high carbon nanotube content by controlling the pi-pi action among the carbon nanotubes in the system so that the conductive composite has good dispersion and stable storage performance and good use performance as conductive paste.

The invention relates to preparation of an antifogging material, and aims to provide a preparation method of a nanometer enhanced ultraviolet curing antifogging agent. The method comprises the following steps: uniformly mixing a carbon nitride nanoparticle dispersion liquid, deionized water and acetic acid, dropwise adding organosiloxane, and continuously stirring; heating and concentrating the product to obtain modified carbon nitride nanoparticles; uniformly mixing the silicon-acrylate modified carbon nitride compound with an acrylate monomer, 2-hydroxy-2-methyl-phenylacetone and absolute ethyl alcohol, and irradiating with strong light to obtain a silicon-acrylate modified carbon nitride compound; and then uniformly mixing with a fluorine-containing acrylate monomer, a propoxylated polyfunctional acrylate monomer, an aliphatic polyurethane acrylate monomer, a vinyl ether monomer, 2-hydroxy-2-methyl-phenylacetone and absolute ethyl alcohol, so as to obtain the antifogging agent product. The problem that hydrophilicity, water resistance, hardness and flexibility in a traditional ultraviolet curing system are difficult to consider at the same time is solved. Compared with the prior art, the product provided by the invention has the advantages of good water resistance and high hardness.