1019 results about "Microemulsion" patented technology

The invention discloses a hollow spherical assembly polymer, a carbon material and a preparation method and application of the hollow spherical assembly polymer and the carbon material, and belongs to the technical field of materials. The hollow spherical assembly polymer comprises a shell formed by assembling a plurality of small monomers and a cavity defined by the shell; the small monomers are polymer blocks with morning glory-shaped or spherical crown-shaped structures. By constructing an oil-in-water microemulsion template and adjusting the interaction type of a surfactant and a polymer precursor, a hollow spherical assembly material with various sizes and morphologies assembled by different monomers is controllably synthesized, so that the hollow spherical assembly material meets the application requirements of different fields, and the limitations of tedious steps, difficulty in morphology regulation and control and the like in the prior art are solved; meanwhile, one-pot synthesis is adopted in the method, secondary template removal is not needed, preparation is simple, and the prepared hollow spherical assembly polymer material and the hollow carbon material obtained by directly roasting the material have potential application in the fields of catalysis, biomedicine and the like.

The invention relates to the field of electrode materials, in particular to an antimony-based composite material and a preparation method and application thereof.The preparation method comprises the steps that graphene quantum dots are dispersed in deionized water to obtain a water phase A, antimony trichloride is added into the deionized water and mixed to be uniform to obtain a water phase B, and the water phase B is prepared; the preparation method comprises the following steps: uniformly mixing a surfactant, n-butyl alcohol, an organic solvent and 1-aminopropyl-3-methylimidazole phosphate to obtain an oil phase, dividing the oil phase into two parts, namely an oil phase A and an oil phase B, respectively adding the water phase A and the water phase B into the oil phase A and the oil phase B, stirring to obtain a microemulsion A and a microemulsion B, mixing the microemulsion A and the microemulsion B, quickly stirring to obtain a mixed reaction solution, and drying to obtain a finished product. Transferring the mixed reaction solution into a hydrothermal reaction kettle, sealing, heating to 100-120 DEG C, reacting for 1-10 hours, recovering to room temperature after the reaction is finished, centrifuging, collecting a product, washing and drying, thereby obtaining the antimony-based composite material which is used as a sodium-ion battery negative electrode material and has excellent electrochemical performance.

The invention relates to the technical field of nano materials, and particularly discloses a preparation method of surface modified nano calcium carbonate for a battery diaphragm coating. According to the method, the technical paths of microemulsion confinement crystal form regulation and control, gradient surface modification and boehmite compounding and porosity regulation and control are fused, and the functional nano calcium carbonate adaptive to the battery diaphragm coating is prepared. According to the technical scheme, limestone is used as a raw material, after calcination and digestion, the particle size of nano calcium carbonate is controlled through microemulsion carbonization (a cyclohexane-span 80-n-butyl alcohol system); a silane coupling agent KH560-KH570 is adopted for gradient modification to introduce an electrophilic functional group, boehmite is compounded to form a composite coating, and the porosity is regulated and controlled by adjusting the solid content in coating slurry and the coating speed. The method is stable in process and high in compatibility, and meets the requirements of diaphragm coatings of lithium ion batteries and solid-state batteries.

The invention relates to the field of biological agents, in particular to a compound probiotic preparation rich in organic selenium and a preparation method of the compound probiotic preparation, and efficient synergistic delivery is achieved through plant micromolecule organic selenium extraction and a multi-layer microemulsion embedding technology. The preparation consists of a core active component, a carrier system and a curcumin compound. The plant micromolecular organic selenium is extracted from cardamine hupingshanesis and high-selenium corn flour through an HLUP technology, and the bioavailability is remarkably improved. A corn protein modified W / O / W microemulsion is adopted as a carrier, an outer layer membrane is stable in an acid environment, and an inner layer accurately releases selenium to small intestines; a protective agent composed of trehalose and glucose inhibits ice crystal damage, and glutaraldehyde crosslinking enhances the mechanical strength of the membrane. Curcumin and selenium synergistically enhance antioxidant and immunomodulatory functions, and promote phagocytic activity of macrophages. The stability and bioavailability bottlenecks of a traditional preparation are broken through, and an innovative scheme is provided for functional food development.

The invention relates to a bactericidal composition containing fluxapyroxad and thiediazole copper. The bacterial composition is compounded from fluxapyroxad and thiediazole copper in a binary mode, wherein a mass ratio of fluxapyroxad to thiediazole copper is (1-50) to (50-1); a mass fraction of fluxapyroxad and thiediazole in the preparation is 1%-80%, and the rest of the preparation is auxiliary components which are allowed to use and are acceptable in a pesticide. A dosage form of the bactericidal composition is missible oil, a suspending agent, wettable powder, a water dispersible granule, emulsion in water, microemulsion, a granule and a micro-capsule. The bactericidal composition is mainly used for controlling plant gray mold, peronospora and phytophthora germs.

The present invention belongs to the technical field of fiber materials, and relates to a composite fiber containing nano natural tea fibers, and a preparation method and application thereof. The raw materials for preparing the composite fiber include nano natural tea fibers and basic fiber pulp, and the nano natural tea fibers are mate nano fiber microemulsions. The present invention integrates nanotechnology into the preparation of natural tea fibers, and adopts a microemulsion method to simultaneously and evenly disperse a variety of effective ingredients in tea in the mate nano fiber microemulsion, so that the multifunctionality of the fabric can be effectively exerted; the microemulsion system has high uniformity and long-term stability, and during the spinning process, the nano tea fibers can be highly dispersed in the spinning solution without the need for additional surfactants, and the effect of the functional fabric finally obtained can be long-lasting. In addition, mate tea is rich in tea polyphenols and unique yerba mate alkaloids, which can further improve the comprehensive performance of the composite fiber.

The invention discloses a microemulsion interfacial tension efficient prediction method and system based on active learning and molecular dynamics. According to the method, 217 molecular descriptors corresponding to each molecular structure are calculated by adopting an RDKit software package, and the descriptors are used for representing molecular structure characteristics and serve as input variables of a machine learning model, so that key structure information including molecular branching degree, polarity and the like is transmitted. For an oil-water-surfactant ternary interface system, the oil-water interfacial tension in the presence of a surfactant is simulated and calculated through molecular dynamics, and an IFT value is set as a model prediction target. An active learning mechanism is introduced, and iterative sample labeling in the molecular dynamics simulation process is guided; and integrating the obtained IFT data with the molecular descriptor features, constructing a machine learning data set, and training a random forest model. According to the method, the problem of screening a high-performance surfactant layer by a middle-phase microemulsion system can be solved, and the ultra-low oil-water interfacial tension can be rapidly and efficiently screened.

The invention relates to a whitening and soothing composition, a nano microemulsion containing the same and a preparation method of the nano microemulsion. The whitening and soothing composition comprises a litchi fruit extract, a quercus root extract, a malt extract and palmitoyl tripeptide-5. According to the functional composition, the litchi fruit extract, the oak root extract, the malt extract and the palmitoyl tripeptide-5 are creatively combined for use, so that the functional composition has excellent skin whitening and soothing effects, and the four components have an obvious synergistic interaction effect in the aspects of whitening and soothing the skin; the functional composition can be widely applied to cosmetics with related functions. The nano micro-emulsion prepared from the functional composition is subjected to shearing emulsification and then high-pressure micro-jet treatment, so that the prepared nano micro-emulsion is better in stability and better in appearance property, and the nano micro-emulsion can stably play a role in whitening and relieving for a long time.

The invention relates to the technical field of oilfield chemistry, in particular to an aminoethanesulfonic acid type surfactant and a preparation method and application thereof.The preparation method of the aminoethanesulfonic acid type surfactant comprises the steps that firstly, fatty amine is dissolved in a first solvent, a sodium chloroethanesulfonate aqueous solution is added, and N-long-chain alkyl-2-sodium aminoethanesulfonate is obtained through a reaction; and 2, dissolving a required amount of N-long-chain alkyl-2-sodium aminoethanesulfonate in a second solvent, adding a required amount of methyl acrylate, and reacting to obtain the aminoethanesulfonic acid type surfactant. The aminoethanesulfonic acid type surfactant disclosed by the invention contains long-chain alkyl, amino, ester groups and sulfonic acid groups, so that the aminoethanesulfonic acid type surfactant has good surface activity and can meet the development requirements of oil and gas fields. The microemulsion cleanup additive prepared from the aminoethanesulfonic acid type surfactant can effectively reduce the surface tension and the interfacial tension of an aqueous solution, and the preparation method is easy and convenient to operate, mild in condition and suitable for industrial production.

The invention belongs to the technical field of cosmetics, and particularly relates to a lipidosome composite microemulsion sun-screening agent, a preparation method thereof and application of the lipidosome composite microemulsion sun-screening agent in cosmetics. According to the invention, by selecting specific chemical sun-screening agents for matching, full-wave-band ultraviolet protection is realized, and the sun-screening effect is improved; a specific solid lipid matrix is selected, a chemical sun-screening agent is dispersed in a lipid bilayer by using a coating technology, irritation caused by direct contact with skin is reduced, meanwhile, release of the sun-screening agent is delayed, long-acting sun-screening and light stability are improved, and a product formed by combining with a specific preparation method is smaller in particle size, more uniform in component distribution and higher in stability. Therefore, a uniform film layer is formed on the surface of the skin and is tightly attached to the skin, penetration of ultraviolet rays is reduced, and the skin feeling light effect and the film-forming property at high temperature are improved. The sun-screening agent disclosed by the invention has the advantages of efficient ultraviolet protection, excellent stability and good skin feeling, and a new technical scheme is provided for the field of sun-screening cosmetics.

The insecticidal microemulsion composition compounded by flonicamid and spinetoram provided by the invention can be used for preventing and treating various pests such as aphids, leafhoppers, plant hoppers, thrips and the like, and has a special effect on preventing and treating eggplant thrips. According to the composition disclosed by the invention, the polyether modified organic silicon is added as a synergist, so that the pesticide effect of the flonicamid and spinetoram compound microemulsion can be obviously improved. The polyether modified organic silicon can also reduce the lasting foamability of the pesticide, so that the effect of the pesticide is prevented from being reduced due to foamability of the pesticide liquid.

The invention relates to the technical field of pharmaceutical preparations, in particular to a docetaxel oral self-microemulsion composition and a preparation process thereof. The docetaxel oral self-microemulsion composition is prepared from docetaxel, an oil phase, a surfactant, a cosurfactant, a stabilizer and an antioxidant, the oil phase is caprylic / capric acid mono / diglyceride, medium chain triglyceride, caprylic acid propylene glycol ester or lauric acid propylene glycol ester. The docetaxel oral self-microemulsion composition provided by the invention has relatively high drug loading capacity, good physical and chemical stability and relatively high bioavailability, and is more suitable for clinical medication.

A composition is provided that includes a graphene dispersion, a silicone microemulsion, a reactive siloxane emulsion, and water as a majority by weight of the composition. A process for imparting a durable shine to a vehicle surface is also provided. The composition is applied to the vehicle surface. The water is allowed to evaporate from the composition to form a coating imparting a durable shine to the vehicle surface. A coating is obtained after evaporation. The coating includes a silicone film formed by the evaporation of water from a silicone microemulsion and the cross-linking of a siloxane from an emulsion. Graphene particles are embedded in the silicone film. The coating has a thickness of between having a thickness of between 5 and 10,000 nanometers and a hardness of between 3 and 7 GPa.

The invention discloses a benzimidazolyl Gemini surfactant as well as preparation and application of the benzimidazolyl Gemini surfactant. The benzimidazolyl Gemini surfactant is a symmetric gemini type compound formed by a benzimidazole group, a styrene group, a sulfonate group and an alkyl chain with a proper length, and the compound has a better oil displacement effect. The surfactant can also reduce the surface tension of a solution in a dose-dependent manner, has relatively strong interfacial activity, excellent shear restorability and wettability, is beneficial to improving the oil recovery rate, and is suitable for multiple aspects such as an oil-soluble viscosity reducer, an oil-displacing agent and a microemulsion internal phase in tertiary oil recovery. The invention provides a method for preparing a surfactant by sulfonation and neutralization after styryl benzimidazole and alkyl diethylene oxide are subjected to ring-opening reaction to obtain a Gemini intermediate, and the synthetic process route has the characteristics of high product surface activity, excellent rheological property and simple synthetic method.

The application discloses a bacteriostatic and acne-removing microemulsion containing plant extracts and a preparation method thereof. The bacteriostatic and acne-removing microemulsion contains a microemulsion loaded with quercetin alone, a microemulsion loaded with sasanquasapernin alone, and a microemulsion loaded with quercetin and sasanquasapernin simultaneously. The bacteriostatic and acne-removing microemulsion containing plant extracts prepared by the application not only solves the problems of stickiness of camellia oil and poor solubility of quercetin, but also has a synergistic inhibitory effect on propionibacterium acnes, achieves the same high-efficiency bacteriostatic effect with a lower drug concentration, saves drug cost, reduces drug irritation, and expands the application of quercetin and sasanquasapernin in the cosmetic and pharmaceutical fields due to the rich pharmacological effect of the plant extracts, low side effect and safety. The microemulsion system prepared by the application is clear, transparent, uniform and stable, the preparation process is simple, the required energy is low, the cost is low, and the system is beneficial to commercial production.

The invention relates to an inert gas-perfluorohexanone oil-in-water microemulsion fire extinguishing agent which can effectively solve the problems that a lithium battery fire extinguishing agent is complex in equipment, high in overall cost and inconvenient to popularize and use. The inert gas-perfluorohexanone oil-in-water microemulsion fire extinguishing agent is composed of inert gas with the pressure being 0.2-0.3 Mpa and the flow being 36-40 L / min and perfluorohexanone oil-in-water microemulsion with the flow being 6-8 L / h, and the perfluorohexanone oil-in-water microemulsion is composed of, by mass, 20-50 parts of perfluorohexanone, 50-180 parts of deionized water and 5-35 parts of fluorocarbon surfactant. The fire extinguishing agent disclosed by the invention can be used for quickly extinguishing and cooling a lithium battery fire disaster, reducing the smoke toxicity of the lithium battery fire disaster, reducing the reburning probability of the battery and inhibiting the spreading of thermal runaway of the lithium ion battery, has the advantages of cleanness, high efficiency, economy and convenience in storage and use, and is an innovation of a lithium battery fire extinguishing agent.

The invention provides a silica hydrogel, a method for removing the same, and a silica hydrogel film. A silica-based composite material modified by an alkyl amine group NH2L and an organic alkyl group R is prepared by adopting a reversed-phase microemulsion method, and a silica colloid material highly modified by an organic group is obtained by controlling the molar weight of alkyl amine silane and alkyl silane and controlling no use and no contact of any alcohol solvent in the whole preparation process. Adding acetone for demulsification, centrifugally collecting, washing solids, drying to obtain a solid silicon dioxide colloid material, and dissolving the solid silicon dioxide colloid material in deionized water to obtain the silicon dioxide hydrogel. The silica hydrogel has solubility in an alcohol solvent and can be removed by the alcohol solvent. The silicon dioxide hydrogel can be combined on the surface of a membrane material to obtain a silicon dioxide hydrogel membrane.

A method for synthesizing a high-purity Nε-lauroyl lysine. The method comprises: stirring raw materials including lysine and / or a lysine salt, an alkaline compound, water, low-carbon alcohol and a water-insoluble solvent until uniform to form a two-phase microemulsion; adding, in a dropwise manner, lauric acid and / or lauroyl halide to the two-phase microemulsion, and stirring same for a reaction; and after the reaction is completed, subjecting same to acid neutralization and precipitation, so as to obtain Nε-lauroyl lysine. By constructing a two-phase reaction system, the method ingeniously solves the problem regarding the reaction selectivity of α-amino and ε-amino, obtains a high-purity Nε-lauroyl lysine with good yield, and is mild in terms of reaction conditions, easy in terms of the separation and purification of the product, and suitable for industrial production.

The invention belongs to the technical field of cosmetics, and discloses micro-emulsion essence water containing ceramide and a preparation method of the micro-emulsion essence water. The micro-emulsion essence containing ceramide is prepared from the following components: an emulsifier, a humectant, polypeptide, small molecular grease and water, the emulsifying agent comprises polyglycerol-10 oleate, the emulsifying agent does not contain a PEG and / or PPG structure, the humectant comprises glycerol and ceramide, and the small molecule grease comprises at least one of tridecane, undecane, isononyl isononanoate, propyl heptyl octoate, coconut oil alcohol-octoate / caprate, dicapryl carbonate and dioctyl ether. The micro-emulsion essence water containing ceramide has excellent stability, low viscosity, refreshing texture which is common to water and fine skin feeling, and also has excellent moisturizing and tightening effects.

The invention discloses a microemulsion electrolyte system and application thereof in a lithium secondary battery. The microemulsion electrolyte comprises a polar phase electrolyte (BO), an insoluble solvent (AM) and a bridging solvent (IM), wherein the volume ratio of the BO solvent to the AM solvent to the IM solvent is 100: (0.1-10): (0.1-50); and optionally an additive. According to the micro-emulsion electrolyte disclosed by the invention, the adaptability and controllability of the electrolyte in a high-performance lithium secondary battery are remarkably improved, and a new generation of energy storage devices with high energy density, high safety and long cycle life can be developed.

A method for preparing monodisperse nanoscale calcium fluoride, comprising the following steps: (S1) dispersing calcium long-chain alkylbenzenesulfonate and an acrylate copolymer in a mixed solution of water, n-hexane, and an alcohol to form a stable emulsion A, wherein monomers of the acrylate copolymer comprise (meth)acrylic acid, a polyether macromonomer, and a C1-4 alkyl (meth)acrylate; (S2) dissolving a fluoride salt in water, adding polyvinyl alcohol, and uniformly mixing these materials to obtain a solution B; and (S3) slowly dropwise adding the solution B to the emulsion A under stirring and ultrasonic conditions, and carrying out standing for aging, centrifugal separation, washing, and drying to obtain monodisperse nanoscale calcium fluoride. By using the calcium long-chain alkylbenzenesulfonate with surface activity as a calcium source in combination with homemade acrylate as a dispersing agent, an emulsion is formed in a specific combined solvent, and by dropwise adding a fluorine salt aqueous solution to the emulsion under an ultrasonic condition, nanoscale calcium fluoride with a uniform and controllable particle size can be prepared under the action of a microemulsion.

The invention belongs to the technical field of non-woven fabrics, and particularly relates to a tire-fat-like non-woven fabric and a preparation method and application thereof. The raw material of the tire-fat-like non-woven fabric is tire-fat-like ES fibers; the ES fibers containing the tire-like grease are obtained by padding ES fibers in a tire-like grease microemulsion and drying the ES fibers; the raw materials of the tire fat-like microemulsion comprise a tire fat-like composition, a surfactant, a cosurfactant and deionized water, the fetal fat-like composition is prepared from the following raw materials: ceramide NP, phytosphingosine, cholesterol, liquid paraffin, squalane and plant essential oil, the plant essential oil comprises olive fruit oil, shea butter, a clove extract and a radix aucklandiae extract. The tire-fat-like non-woven fabric provided by the invention has the advantages of low loss rate of active ingredients, excellent antibacterial property and storage stability.

The invention discloses a microemulsion cleaning agent capable of rapidly and efficiently removing radioactive dirt, and belongs to the technical field of special decontaminants. The microemulsion cleaning agent for rapidly and efficiently removing radioactive dirt comprises the following components in percentage by mass: 15 to 20 percent of surfactant, 10 to 15 percent of oxidant, 10 to 15 percent of green chelating agent, 1 to 1.5 percent of assistant, 20 to 50 percent of oil, 0.001 to 0.5 percent of defoaming agent, 0.01 to 7 percent of corrosion inhibitor and the balance of water. The product obtained by the invention integrates oxidation, chelation and solvation, can effectively remove reduced dirt, quickly and efficiently capture and wrap nuclide ions, and is firmly combined to quickly and effectively remove radioactive dirt.

The invention discloses an anti-ultraviolet nano-material, which is characterized in that nano-spheres with uniform and controllable size and anti-ultraviolet capability are prepared by utilizing reverse microemulsion polymerization reaction and adopting a one-pot method. The preparation process is simple, the process is safe, and the use of halogen compounds is not involved. Only 1-5wt% of the nanospheres prepared by the invention are added, so that the waterborne epoxy coating has enhanced mechanical properties and ultraviolet resistance.

The invention provides a preparation method and application of microemulsion which is free of odor, capable of inhibiting and killing bacteria and high in butyrate content. The microemulsion comprises the following components in percentage by mass: 5%-40% of butyrate, 5%-35% of a surfactant, 2%-8% of a cosurfactant, 10%-30% of polyglycerol fatty acid ester and the balance of water. According to the invention, tributyrin which is insoluble in water and butyrate which is insoluble in oil form a microemulsion which is isotropic, good in stability and transparent under the action of the surfactant and the cosurfactant.

Microemulsions are disclosed herein that include a discontinuous internal phase comprising an aqueous solution encompassed within an internal emulsifier, a continuous oil phase encompassing the internal phase; and an external emulsifier encompassing the oil phase. Also disclosed are methods for the use of such microemulsions as drug delivery devices, and methods for treating glaucoma and reducing intraocular pressure.

The invention relates to an application of D-camphor and cymenin in preparation of an anti-inflammatory soothing preparation for sensitive skin. The invention discloses an application of D-camphor and cymenin as only two effective components in preparation of an anti-inflammatory soothing preparation for sensitive skin. The invention further discloses an anti-inflammatory soothing preparation for sensitive skin, only two effective components of the anti-inflammatory soothing preparation for sensitive skin are D-camphor and cystin, and the anti-inflammatory soothing preparation for sensitive skin can reduce the reaction of IL-6, IL-8 and NO related microinflammation in a keratinocyte inflammation model. The invention has the following beneficial effects: 1, in a high proportion window (5-10: 1) of D-camphor and polycymenin, the inhibition of the compound system of D-camphor and polycymenin on IL-6, IL-8 and NO is superior to that of any monomer; 2, stable dispersion and good use experience can be realized through the micro-emulsion type emulsifying essence or the face cream carrier, and meanwhile, the face cream still has feasibility under the conditions of no essence and no conventional preservative.

The invention provides a composite immersed cooling liquid as well as a preparation method and application thereof. Comprising a dispersion phase, a continuous phase, an emulsifier and an additive, the dispersion phase is fluorine cooling liquid, the continuous phase is oil cooling liquid, the emulsifier is one or more compounded nonionic surfactants, and the HLB value of the emulsifier is 4-9 or 10-18; according to the composite immersed cooling liquid disclosed by the invention, the advantages of high heat conductivity of the oil phase and high safety (non-combustibility and high dielectric strength) of the fluorine phase are ingeniously combined, and 1 + 1gt is realized; 2, the effect is achieved; the oil phase with high cost performance is used for replacing most expensive fluorine phases, and the overall material cost is reduced by 40%-60% compared with that of pure fluorine cooling liquid; the nano-scale microemulsion is formed through the specific emulsifier, the fundamental problem that a traditional mixed solution is inevitably layered is solved, and the shelf life is long; the cooling liquid disclosed by the invention has good material compatibility, and the problem that a pure fluorine liquid swells some sealing materials is avoided.

The invention discloses an electrode material for purifying and disinfecting drinking water as well as preparation and application thereof, and belongs to the technical field of drinking water purification. An Ag nano structure and an Au nano structure are sequentially constructed on a plastic base material, the electrode material is endowed with excellent antibacterial and catalytic performance, the Ag nano structure is formed through acid treatment and precursor solution soaking, and the preliminary antibacterial performance is endowed; the antibacterial effect is enhanced by micro-emulsion soaking; the microemulsion A and the solution B are mixed to prepare a spraying solution, a stable Au nanostructure is formed after spraying, an electrochemical oxygen reduction reaction is promoted, the H2O2 generation efficiency is improved, hydroxyethyl ethylenediamine triacetic acid and acrylamide are used in cooperation, the Au dosage and the complexing temperature are adjusted, a microcosmic honeycomb structure is formed, and the H2O2 concentration is remarkably improved. The electrode material has antibacterial performance, also has excellent conductivity and catalytic activity, is stable in purification effect before and after use, can be repeatedly used, and has wide application prospects in the fields of drinking water purification and the like.

The invention discloses a preparation method of a high-performance organic pigment for water-based printing ink, which comprises the following steps: dispersing an organic pigment in deionized water, and adding an emulsifier to prepare an organic pigment dispersion liquid; adding a hydrophilic monomer and a cross-linking monomer into the organic pigment dispersion liquid, stirring, uniformly emulsifying, adding an initiator, and stirring to react; after the reaction is finished, cooling, centrifuging and washing to obtain a first layer of coated organic pigment; the preparation method comprises the following steps: mixing a hydrophobic monomer and a functional monomer, and adding an emulsifier and deionized water to prepare microemulsion; dispersing the first-layer coated organic pigment in deionized water, dropwise adding the microemulsion and an initiator, and stirring for reaction; and after the reaction is finished, cooling, centrifuging, washing and drying to obtain the high-performance organic pigment for the water-based printing ink. According to the method disclosed by the invention, the performance of the organic pigment is optimized through a double-layer coating structure, so that the organic pigment has the advantages of dispersity, light resistance, high tinting strength, water and oil resistance and acid and alkali resistance.