36results about How to "Reduce reunion" patented technology

The application relates to a preparation method of a nano WC-Co-based composite powder with inhibitor uniform distribution, and belongs to the technical field of powder preparation. In the application, tungsten oxide and cobalt oxide with large brittleness are used as raw materials, the raw materials are easily broken in a ball milling process, the superfine and nano particle size of a precursor mixed powder containing an inhibitor and the uniform distribution of the raw materials are ensured, the precursor of the inhibitor is dissolved in anhydrous ethanol, a solution is formed, and the solution is mixed with other raw materials, so that the uniform distribution of the component of the inhibitor element in the precursor mixed powder containing the inhibitor is ensured. Polyethylene glycol is added in the ball milling process, the agglomeration of powder particles is reduced, the friction between the powder particles is reduced, and the flowability of the particles is increased. Through the matching of precursor components, the density of the mixed powder of the inhibitor-containing compact and a stage-by-stage heating process, the full reaction of the compact is ensured, the rapid discharge of generated gas is ensured, and through the further ball milling treatment of the prepared powder, the powder is ensured to have the characteristics of pure phase, small WC particle size and uniform component distribution.

This invention discloses a method for preparing and applying an antibacterial composite coating based on quaternized zinc oxide nanoparticles. The preparation method includes: grafting quaternary ammonium salt compounds onto the surface of zinc oxide nanoparticles to prepare synergistic antibacterial nanoparticles; modifying the substrate surface by co-deposition of dopamine and polyethyleneimine to introduce active functional groups; and spraying or dipping the quaternized zinc oxide nanoparticles onto the modified substrate surface to obtain the antibacterial composite coating. This novel antibacterial material preparation scheme can integrate the advantages of zinc oxide nanoparticles and quaternary ammonium salts, while solving key technical problems such as nanoparticle aggregation, weak interfacial bonding, and limited antibacterial efficiency. It is of great significance for promoting the upgrading of hygiene and safety in the fields of medicine, food, and building materials.

This invention relates to the field of battery technology, and in particular to a lithium-ion battery anode, its preparation method, and a lithium-ion battery. The invention provides a method for preparing a lithium-ion battery anode, comprising the following steps: stacking a first composite layer and a second composite layer with the surface of an intermediate metal layer in contact with the surface of a lithium metal layer, and then pressing them to obtain a lithium-ion battery anode; wherein the first composite layer comprises a silicon-based anode layer and an intermediate metal layer; and the second composite layer comprises a lithium metal layer and a conductive substrate. The method for preparing the lithium-ion battery anode of this invention solves the problems of volume expansion of silicon anodes, dendrite growth of lithium metal anodes, and poor process safety when simply combining silicon anodes with lithium metal.

The application provides a crosslinked polyethylene insulated cable and a preparation process thereof, and belongs to the technical field of cables, and comprises the following steps: step S1, preparing UiO-66-F4 masterbatch; step S2, preparing hexagonal boron nitride masterbatch and nano-alumina masterbatch; step S3, preparing insulation granules; step S4, performing three-layer co-extrusion on a copper core conductor to form a conductor shielding layer / insulation layer / insulation shielding layer, and then performing CV crosslinking, cooling, degassing, and then coating a metal braided shielding layer and an outer sheath to obtain the crosslinked polyethylene insulated cable. The application can improve the DC breakdown strength and long-term insulation stability of the crosslinked polyethylene insulated cable.

This invention discloses a heat- and impact-resistant protective conduit for MPP cables and its preparation method, relating to the field of polymer materials technology. The components, by weight, include: 20-22 parts of a toughening dispersion made from anhydrous ethanol and terminally epoxy-terminated hyperbranched polysiloxane; 33-35 parts of a boron-nitrogen co-doped carbon dot made from citric acid, boric acid, and urea, first compounded with phytic acid and piperazine, then compounded with modified zirconium phosphate prepared by hexadecyltrimethylammonium bromide intercalation, and then modified with silane coupling agent KH-560 to form a flame retardant synergist; 12-14 parts of polyolefin elastomer; 2-2.5 parts of magnesium aluminum hydrotalcite; 0.2-0.24 parts of antioxidant; 0.2-0.3 parts of calcium stearate; 0.2-0.3 parts of polyethylene wax; and 100-120 parts of polypropylene. The introduction of the flame retardant synergist and other raw materials in this invention effectively improves flame retardancy, aging resistance, impact resistance, low-temperature resistance, and heat resistance.

This invention discloses a method for preparing high-entropy ceramic matrix composites using a reactive infiltration process, belonging to the technical field of ceramic matrix composites. The steps are as follows: at least four single-component carbides are ball-milled and mixed with a carbon source, then dispersed in a dispersion liquid to obtain a slurry; continuous fibers are woven into a preform, and an interface layer and a matrix layer are deposited to obtain a semi-dense composite material; the slurry is introduced through vacuum or pressure impregnation; and a high-entropy carbide matrix is ​​generated in situ and densified by reactive infiltration after embedding with a transition metal and its alloy. This invention solves the problems of long process cycles, high porosity, high cost, and insufficient introduction of high-entropy ceramics in existing processes, achieving rapid densification and improving the material's high-temperature stability, oxidation resistance, and ablation resistance. It is suitable for the large-scale production of thermal protection materials for hypersonic vehicles.

This invention discloses a precipitated silica dispersant for rubber, its preparation method, and its application, relating to the field of rubber additives. The precipitated silica dispersant for rubber is made from raw materials comprising the following proportions: modified vegetable oil and hydroxide, wherein the molar ratio of the modified vegetable oil to the hydroxide is 1:(0.3-0.6), and the modified vegetable oil is copolymerized from vegetable oil monomers, benzene ring unsaturated monomers, and cashew nut phenol. This application provides an environmentally friendly and safe precipitated silica dispersant that can significantly improve the dispersibility of precipitated silica in rubber compounds while simultaneously improving the mechanical properties of the rubber compounds.

This utility model discloses an immersion plating solution supply device, comprising: a transfer container for temporarily storing the immersion plating solution; a stirring motor and a liquid inlet located at the top of the transfer container; a stirring shaft located in the transfer container and driven by the stirring motor; a stirring rod located in the transfer container and driven by the stirring shaft; an ultrasonic transducer located at the bottom of the transfer container; a supply pipe externally connected to the bottom of the side wall of the transfer container for conveying the immersion plating solution to the immersion plating treatment container; and a supply valve and a supply pump located on the supply pipe. This immersion plating solution supply device can pre-stir and ultrasonically treat the immersion plating solution before adding it from the packaging container to the immersion plating treatment container, thereby eliminating or significantly reducing agglomeration and sedimentation of the immersion plating solution. Furthermore, when performing batch immersion plating treatment on aluminum tube substrates, it can avoid or significantly reduce adverse consequences caused by fluctuations in the quality of the immersion plating solution, ultimately improving product yield and reducing production costs.

This invention relates to the field of dispersant technology, and discloses a dispersant composition, its preparation method, and its application. The composition comprises the following components in parts by weight: 100 parts linear paraffin, 10-30 parts water, 20-40 parts dispersing material, 8-10 parts emulsifier, and 3-5 parts solubilizer, wherein the dispersing material is selected from bicarbonates and / or carbonates. The dispersant composition provided by this invention is non-toxic and biodegradable. When used in polyacrylamide granulation, it results in polyacrylamide products with high hydrolytic uniformity and rapid hydrophilic solubility.

The utility model discloses a kind of diamond micro-powder particle multistage classification devices, specifically relates to diamond micro-powder classification technical field, including shell, shell bottom is fixedly connected with support, multiple collecting boxes are slidably connected in support inner side, shell top is fixedly connected with support frame, two fans are installed in shell side, fan output end is fixedly connected with air pipe, shell inner side is provided with classification collection mechanism;Classification collection mechanism includes concentrated frame one, concentrated frame one side is fixedly connected with concentrated frame two, concentrated frame two bottom is fixedly connected with shell inner side.The utility model utilizes multiple dispersion plate to carry out stratification dispersion to airflow, reduce the reunion and local accumulation of diamond micro-powder particle, simultaneously pass through air outlet pipe and filter plate to filter airflow to prevent particle exfiltration, and combine with the rotation friction of grinding ball and grinding seat and the splashing of vibration frame, optimize particle distribution, reduce energy consumption, improve classification accuracy, environmental protection.

This invention discloses a method for preparing a nitrogen-phosphorus intumescent flame retardant of a specific size, comprising the following steps: mixing a piperazine solution and a phosphoric acid solution in stages under low temperature and ultrasonic conditions; filtering the reaction solution after mixing, washing the filter cake with a composite treatment agent composed of silicone oil, silane coupling agent, and PEG-400, and drying it; and then dehydrating the dried material at high temperature to obtain the nitrogen-phosphorus intumescent flame retardant of a specific size. This invention controls the particle size of piperazine diphosphate from the source by optimizing the production process, and then prepares a piperazine pyrophosphate flame retardant that can be directly applied to a plastic matrix through a high-temperature dehydration process. The process is simple, the prepared flame retardant does not require grinding, and it exhibits excellent flame retardant properties.

This invention belongs to the field of functional catalytic materials and water treatment technology for groundwater pollution remediation, specifically relating to a modified iron heterojunction biomass slow-release material, its preparation method, and the application of a coupled electric field in the remediation of organic pollutants in groundwater. This invention utilizes shiitake mushroom biochar as a carrier to load modified zero-valent iron, effectively alleviating the problem of iron agglomeration. The modified zero-valent iron grows in situ within the three-dimensional pores of the biochar, enabling the slow release of active iron components and improving the utilization efficiency of the oxidant. The built-in electric field of the iron-carbon structure-reinforced material helps solve the problem of slow mass transfer in groundwater media, improving the surface accessibility of the oxidant and pollutants. This material can reduce the localized Fe... 2+ Excessive concentration of oxidant leads to ineffective consumption, but the electrons can be driven by an electric field to migrate in a specific direction, achieving spatiotemporal matching and dynamic control of the electron transfer rate and the iron supply rate, forming a closed-loop system for in-situ regeneration, which has good application prospects in groundwater remediation.

The application discloses a kind of polypropylene coating and preparation method thereof, belong to polypropylene coating technical field, first by photo-induced mercapto-alkene reaction preparation amino tung oil acid, again by template method copolycondensation synthesis mesoporous organosilica amino tung oil acid, simultaneously polypropylene and trifluoroethyl methacrylate melt grafting obtains TFEMA grafted modified polypropylene, finally with xylene as solvent, bismaleimide is used as crosslinking agent, and each component is blended to obtain polypropylene coating;The application is endowed with low surface energy and weathering stability by introducing fluorine-containing group to coating, combined with the ultraviolet shielding function of mesoporous organosilica, supplemented by BMI dynamic reversible crosslinking to build strong adhesion and self-repairing network, synergistically solve the technical problems that traditional polypropylene coating is poor in ultraviolet stability, weak in adhesion, and easy to age, significantly improve the outdoor durability, self-repairing and corrosion resistance of coating, and be applicable to outdoor building materials, automobile shell and other high-end protection fields with strict durability requirements.

This invention relates to the field of powder coatings. To address the problem of poor bonding stability between metallic pigments and base powder in existing technologies, this invention provides a high-stability powder coating and its preparation method, comprising the following steps: S100, mixing resin base material, filler, and additives, and then obtaining base powder through a melt extrusion process and a granulation process; S200, the base powder and metallic pigment are bonded together to obtain a high-stability powder coating; the resin base material includes: polyester resin, epoxy resin, and curing agent; the additives include: amide-modified polyethylene wax, wherein the amide-modified polyethylene wax accounts for 1wt%-1.5wt% of the resin base material. This invention, by adding amide-modified polyethylene wax to the base powder, utilizes the poor compatibility between the amide-modified polyethylene wax and the resin base material, combined with the shear force of melt extrusion, to allow the amide-modified polyethylene wax to migrate to the surface of the base powder, reducing agglomeration between resin base materials, thereby increasing the temperature of the bonding process to a certain extent and increasing the stability of the metallic pigment.

This invention provides a zinc-rich heavy-duty anti-corrosion coating and its preparation method, belonging to the technical field of coating compositions. The method includes the following steps: mixing bisphenol A type liquid epoxy resin, zinc gluconate-supported modified GO, dispersant, defoamer, and a mixed solvent; sequentially adding fumed silica, polylactic acid@garnet composite powder, and zinc powder while stirring to obtain component A; separately mixing and stirring a polyamide curing agent and a curing accelerator to obtain component B; mixing and stirring component A and component B and defoaming to obtain the zinc-rich heavy-duty anti-corrosion coating. This invention can enhance the cathodic protection effect and the shielding and barrier ability against corrosive media, thereby improving long-term heavy-duty anti-corrosion performance.

The present application relates to the technical field of glass production, and provides a mixing method for improving the temperature of glass production mixture, which is applied to a mixer with a stirring cavity and comprises the following steps: S1, starting the mixer to sequentially perform dry mixing and wet mixing on glass raw materials; S2, when entering the wet mixing stage, a steam supply unit is opened, so that high-temperature steam starts to be introduced into the stirring cavity of the mixer; and during the whole duration of the wet mixing stage, the steam supply unit is kept in an opened state; S3, when the wet mixing stage reaches a preset duration of the system, the steam supply unit is closed, and the introduction of high-temperature steam is stopped; and when the wet mixing stage ends, the temperature of the material is improved from an initial value to not less than a preset target temperature, thereby effectively solving the problem that the mixing temperature is substandard in a low-temperature environment. The present application also provides a mixing system for realizing the method, which can significantly improve the mixing uniformity and reaction activity, and has the advantages of precise temperature control, energy saving and high efficiency.

This invention discloses a low-temperature solid-phase synthesis method for manganese tetroxide, belonging to the field of inorganic functional material preparation technology. The preparation method includes: preparing a targeted organic ammonium salt surface modifier; preparing a composite precursor by high-energy ball milling of a manganese source (γ-type MnOOH) and a rhombohedral MnCO3, a modifier, and a composite auxiliaries; obtaining a crude product through a low-temperature solid-phase reaction at 220-350℃ under a nitrogen or argon inert atmosphere; and obtaining the final product through fluidized bed desorption, air jet milling depolymerization, sieving, acid washing, and vacuum drying. To address the shortcomings of existing solid-phase synthesis methods, such as high energy consumption, easy generation of impurities, and product agglomeration, this invention proposes a synergistic regulation and low-temperature solid-phase synthesis technology. Through specific manganese source formulation and the synergistic effect of modifiers and auxiliaries, pure-phase synthesis at 220-350℃ is achieved, solving problems such as high-temperature dependence and impurity phase formation. The product has a regular crystal structure, high purity, and good dispersibility, making it suitable for high-end lithium-ion battery cathode materials and other applications. The process is energy-efficient and environmentally friendly.

This invention belongs to the field of catalysis technology, and specifically discloses a sub-nanometer-scale Cu-based intermediate-temperature shift catalyst and its preparation method. The Cu-based intermediate-temperature shift catalyst consists of 20%–30% of a composite oxide support, 30%–40% of Cu sub-nanometer particles supported on the composite oxide support, and 30%–40% of an active agent. Based on a composite oxide support with a specific composition, the preparation process utilizes an active agent, a surfactant, and calcination under a protective atmosphere to ensure that the support is loaded with fully dispersed Cu particles with a main particle size less than 2 nm as the active component. Utilizing the size effect, the two components work synergistically, ensuring high catalytic activity, excellent thermal stability, a wide active temperature range, and a long service life, while also improving the CO conversion rate in application. This Cu-based intermediate-temperature shift catalyst exhibits excellent performance in CO conversion reactions within a temperature range of 180℃–400℃.

This application discloses a method for preparing a graphene / carbon nanotube composite slurry and its application, relating to the field of electrochemical sensing. The method includes: S1, placing multi-walled carbon nanotubes in concentrated sulfuric acid, reacting, washing with deionized water until neutral, and drying to obtain carboxylated carbon nanotubes; S2, adding the carboxylated carbon nanotubes to thionyl chloride, stirring the reaction, rinsing with tetrahydrofuran, and drying to obtain acyl chloride-based carbon nanotubes; S3, mixing the following components: 4.0-6.0% multi-walled carbon nanotubes, graphene microsheets... 0.2-1.0%, dispersant 0.5-1.0%, melamine 3.0-6.0%, balance NMP; S4, add graphene oxide / carbon nanotube filter material to dilute hydrochloric acid solution for acid washing and purge with nitrogen bubbles, stir evenly, filter, dry, and repeat 4 times. Mix and disperse each component in N-methylpyrrolidone to improve the uniformity of the mixture. Carbon nanotubes and graphene microsheets are uniformly dispersed in NMP to reduce the possibility of agglomeration and break up the already agglomerated groups.

This invention provides an ultra-thin, high-strength battery foil blank and its manufacturing process, belonging to the field of aluminum alloy technology. The process involves first alloying high-purity aluminum with Zr, Er, Sc, Ce, and Ti-B master alloys, followed by degassing, filtration, casting, and milling to obtain an aluminum alloy ingot. This ingot is then hot-rolled, sprayed with an aluminum-based modified graphene dispersion, embedded rolling, cold rolling, intermediate recovery annealing, and two-stage aging to produce an aluminum-based modified graphene / high-strength aluminum alloy foil blank. Finally, it is rolled with 304 stainless steel strip from top to bottom to thin the core layer to an ultra-thin specification before separation and winding to obtain the ultra-thin, high-strength battery foil blank. This invention achieves ultra-thin battery foil while maintaining high strength.

This invention belongs to the field of proton exchange membrane (PEM) water electrolysis for hydrogen production, and discloses a PEM anode slurry, a catalyst-coated membrane, and their preparation method. The anode catalyst is premixed with ultrapure water under ultrasonic and stirring conditions, then an alcohol solvent and an ionomer are added and stirred before high-speed shear dispersion. Following this, the anode slurry is prepared through nano-grinding and degassing processes. The catalyst coating effect is improved by adjusting the ratio of ionomer to catalyst, the solid content of the slurry, the slurry formulation, and the dispersion process. This invention yields a highly efficient dispersion slurry with high stability, low sedimentation, and a dense and uniform coating, thus improving coating efficiency and water electrolysis performance.

This invention relates to a method for preparing spherical carbon-coated FeCo2O4 nanocatalysts and their applications, belonging to the field of hydrogen storage material catalysts. The preparation method involves mixing ferric chloride hexahydrate, cobalt acetate tetrahydrate, nickel acetate tetrahydrate, and terephthalic acid to obtain a mixed aqueous solution. This solution is then placed in a polytetrafluoroethylene-lined high-pressure reactor, heated to 180°C at a rate of 5°C / min, and held at this temperature for 8-12 h for a solvothermal reaction. After cooling, separation, washing, and drying, a light yellow precursor powder is finally obtained. This invention, through the rational proportioning of different raw materials and high-temperature, high-pressure reaction, grinding, calcination, and cooling (calcination temperature 400°C), obtains spherical carbon-coated FeCo2O4 nanocatalysts with excellent catalytic performance, significantly improving the hydrogen absorption and desorption kinetics of MgH2.

This invention discloses a high-heat-resistant ultrafine nano-zirconia composite material and its preparation method, belonging to the field of nanocomposite material technology. First, a high-density hydroxyl reaction site is introduced through an in-situ hydrolysis deposition process of zirconium chloride in an alkaline environment to obtain hydroxyl-rich nano-zirconia. Then, it undergoes a condensation reaction with a silane coupling agent containing double bonds to graft highly active double-bond functional groups onto the surface of inorganic particles, thus obtaining double-bond modified nano-zirconia. Subsequently, low-density polyethylene, antioxidants, and initiators are melt-blended with the double-bond modified nano-zirconia, and in-situ graft polymerization initiated by free radicals is used to obtain a high-heat-resistant ultrafine nano-zirconia composite material. Through the rigid skeleton synergistic mechanism constructed by chemical bonding, the thermal slip and creep behavior of polymer molecular chains at high temperatures is significantly restricted, thereby improving the heat resistance of the material while maintaining good mechanical strength.

This invention discloses an equipment insulation coating process based on live cleaning pretreatment, belonging to the field of power equipment curing coating technology. The process includes: preparing a live cleaning solution, spraying and drying the equipment surface; preparing a silane-side group-containing acrylate copolymer solution and controlling its hydrolysis; adding nano-alumina and polyvinyl alcohol to obtain a primer and spraying and curing it to form a base coat; preparing a composite filler by surface organic modification of hexagonal boron nitride and nano-silica with a silane coupling agent; mixing and grinding this filler with epoxy resin, thixotropic agent, curing agent, etc., to obtain an insulating coating; and applying this filler to the base coat and curing it through stepped temperature increases to obtain an insulating coating. This invention enhances adhesion through cleaning activation, chemical anchoring, and nano-pinning synergistically, and improves insulation by utilizing the orientation barrier and defect filling of the composite filler, while an anti-settling system ensures the uniformity and stability of the coating.

This invention discloses a flame-retardant, breakdown-resistant capacitor base film and its preparation method. The raw materials, by weight, include: 100 parts polypropylene; 3.5-8.5 parts compatibilizer; 14-25 parts flame-retardant dielectric modifier; 0.3-1 parts antioxidant; and 0.5-1.8 parts nucleating agent. The flame-retardant dielectric modifier is a composite microcapsule obtained by coating the core material with nano-magnesium hydroxide and silica-modified polydopamine. By adding a flame-retardant dielectric modifier to the polypropylene system, this invention imparts excellent flame-retardant properties to the prepared polypropylene capacitor base film, while also improving its mechanical strength, increasing the dielectric constant of the base film, and enhancing its breakdown resistance, thus improving its overall performance.

This invention discloses a supported Au1Cu 24 Preparation of / g-C3N4 catalyst and its application in photocatalytic degradation. This catalyst utilizes Au1Cu 24 Copper alloy nanoclusters supported on a g-C3N4 support were constructed to address the problems of low efficiency, rapid electron-hole recombination, and poor stability in existing photocatalytic materials. The preparation steps are as follows: first, a g-C3N4 support is prepared, and then Au1Cu is synthesized. 24 Clusters, then Au1Cu 24 A composite catalyst was obtained by dispersing the catalyst in dichloromethane and mixing it with g-C3N4, followed by solvent evaporation. This design effectively suppressed photogenerated carrier recombination and significantly improved photocatalytic activity and stability by modulating the cluster electronic structure and charge distribution through heterometallic doping, combined with the anchoring of the active component by the g-C3N4 support and its role in promoting interfacial charge separation. When applied to the photocatalytic degradation of methylene blue under xenon lamp irradiation, it exhibited excellent degradation performance and cycle stability, with superoxide radicals (·O2) as the main active species. ‑ ) and holes (h + This invention provides a new technical solution for the efficient treatment of organic dye wastewater.

The present application relates to the field of graphene reinforced titanium alloy composite material, in particular to a preparation method of in-situ deposition three-dimensional network graphene reinforced titanium alloy composite material, which comprises the following steps: firstly, three-dimensional network graphene is in-situ deposited on the surface of porous titanium through chemical vapor deposition process; then, titanium alloy melt is filled into the porous preform by using high vacuum melt infiltration process, after a period of heat preservation treatment, finally, three-dimensional network graphene reinforced titanium alloy composite material is obtained by quenching. The three-dimensional network graphene reinforced titanium alloy composite material prepared by the present application has good interface combination and dense structure, by introducing graphene in the composite material, not only the load transmission effect is achieved, but also the part of TiC particles formed at the interface can make the crack deflect and hinder the crack propagation.

This invention discloses a barium-doped oxide solid electrolyte for lithium batteries and its preparation method, belonging to the field of lithium battery technology. The chemical formula of the solid electrolyte is Li. 3+x La 1‑x Ba x (PO4)2, where 0 < x ≤ 0.05, this solid electrolyte is a monoclinic phase with an ionic conductivity greater than 1 × 10⁻⁵ at room temperature. ‑4 S / cm. The preparation method includes: mixing sodium, lanthanum, phosphorus, and barium source compounds in a molar ratio of (3+x):(1-x):2:x, ball milling, drying, and calcining to obtain a sodium-based precursor, which is then subjected to an ion exchange reaction with a lithium salt to obtain the final product. This invention introduces oxygen vacancies through barium doping, optimizing the lithium-ion transport channel and significantly improving ionic conductivity, reaching a maximum of 7.1 × 10⁻⁶, while maintaining the stability of the monoclinic framework. ‑4 S / cm. This solid electrolyte is low in cost, exhibits excellent thermal and electrochemical stability, and is suitable for high-performance lithium batteries.

The invention discloses a soft capsule for improving an anxiety state as well as a preparation method and application of the soft capsule, and belongs to the technical field of pharmaceutical preparations. Comprising contents and a capsule shell wrapping the contents. The content consists of a compound extract, phospholipid and emotional fish oil. The compound extract is prepared from bupleurum chinense, salvia miltiorrhiza, cape jasmine, angelica sinensis, bighead atractylodes rhizome, poria cocos, dried ginger, mint and liquorice; the capsule shell comprises chitosan, sodium alginate, a rosemary extract microcapsule, vitamin C palmitate, titanium dioxide, pachymaran and the like, and the rosemary extract microcapsule is prepared from a rosemary extract through pachymaran microencapsulation. Through the synergistic effect of all the components, the compatibility of the compound extract and the emotional fish oil is effectively improved, the stability of an oil phase system is improved, the oxidative rancidity risk of the emotional fish oil is reduced, meanwhile, the emotional fish oil is matched with the gastrointestinal absorption characteristics of people with weakness of the spleen and the stomach, and a pharmaceutical preparation choice is provided for conditioning the anxiety state.