31results about How to "Uniform surface" patented technology

The invention relates to the technical field of semiconductors, in particular to a preparation method of a graphite piece containing a tantalum carbide coating, which at least comprises the following steps: preparing a slurry suspension containing a tantalum source, a carbon source, a sintering agent, a dispersing agent and an adhesive; coating the surface of a graphite piece with the slurry suspension, and drying to form a pre-coating layer; the pre-coating layer is subjected to high-temperature sintering, the tantalum carbide coating layer is formed after natural cooling, the grain size of the tantalum carbide coating layer is 30-90 microns, the tantalum carbide coating layer graphite piece which is high in bonding strength, large in grain size and of a porous structure is obtained through slurry suspension preparation, graphite coating and high-temperature sintering, operation is easy, the production cost is low, and the actual application requirement is better met.

The invention relates to the technical field of medicine detection, and discloses medicine raw material detection equipment for improving the purity of raw materials, the medicine raw material detection equipment comprises a base and a supporting box, the bottom of the supporting box is fixedly connected to the outer side of the base, the top of the base is fixedly connected with a detection mechanism, and the top of the detection mechanism is fixedly connected with a detection plate; the top end of the supporting box is fixedly connected with a driving box, multiple filtering and impurity removing can be conducted on medicine raw materials through the impurity removing assembly, impurities in the raw materials can be screened out while the caked raw materials are screened out, the purity of the medicine raw materials is improved, the content of invalid or harmful ingredients in medicine can be reduced by removing the impurities, and therefore the medicine raw materials can be conveniently taken out. The purity and quality of the medicine are improved, the raw materials with higher purity can be used for preparing the medicine which is more efficient, safer and more stable, the treatment effect and the satisfaction degree of a patient are improved, and the content of active ingredients of the medicine can be improved by removing impurities, so that the curative effect of the medicine is enhanced.

The invention relates to a perovskite solar cell and a preparation method thereof, and belongs to the technical field of solar cells. The perovskite solar cell comprises a conductive substrate, a hole transport layer, a passivation layer, a perovskite layer, an electron transport layer and a metal electrode which are arranged in sequence, the material of the passivation layer is selected from one or more of mercaptoethylamine, ethylenediamine and propylamine; and the thickness of the passivation layer is 1 nm to 10 nm. Through the introduction of interface passivator molecules, the interface between the hole transport layer and the perovskite layer is improved. The surface wettability of the PTAA thin film is enhanced, so that the perovskite precursor solution can form a uniform and compact perovskite layer on the PTAA / SCAs thin film, the carrier separation and transmission efficiency at an interface is improved, and the stability of a device is enhanced.

The invention relates to a preparation method of an MOF / MXene composite membrane and application of the MOF / MXene composite membrane in the field of antibiotic desalination separation membranes. The ZnBDC-NH2 MOF nanosheet is prepared by mixing 2-amino terephthalic acid and zinc acetate dihydrate, and the ZnBDC-NH2 MOF nanosheet is prepared by mixing 2-amino terephthalic acid and zinc acetate dihydrate. The preparation method comprises the following steps: mixing and dispersing MXene and the ZnBDC-NH2 MOF nanosheets, so as to prepare a colloidal suspension; and uniformly depositing the colloidal suspension on the surface of a substrate by adopting a vacuum-assisted self-assembly technology to form a uniform stacked structure. According to the ZnBDC-NH2 MOF nanosheet composite membrane with the MXene as the intercalation, nanosheets are arranged in order, and the ZnBDC-NH2 MOF nanosheet composite membrane has excellent mechanical strength and relatively high water flux, so that efficient and rapid separation of antibiotic molecules and salts is realized.

The invention belongs to the technical field of aluminum alloy electroplating, and particularly relates to a preparation method of a silver coating of aluminum and aluminum alloy. The preparation method of the silver plating layer of the aluminum and the aluminum alloy comprises the following steps that the aluminum or the aluminum alloy is sequentially subjected to alkali etching, primary acid pickling, primary zinc dipping, secondary acid pickling, secondary zinc dipping, copper plating, silver pre-plating and cyaniding silver plating; wherein during copper plating, a copper plating solution comprises 30 g / L to 40 g / L of CuCN and 50 g / L to 60 g / L of NaCN; a silver pre-plating solution in the silver pre-plating process comprises 2-3 g / L of AgCN and 90-100 g / L of KCN, the current density in the silver pre-plating process is 0.3-0.6 A / dm < 2 >, and the silver pre-plating time is 1-2 min. And by controlling electroplating process parameters of copper plating and silver pre-plating in the electroplating process, the compactness of the plating layer is improved, the capability of resisting water vapor and the like is effectively enhanced, and then the corrosion resistance of the silver plating layer is improved.

The invention relates to an elution phase, an oil gel bead preparation and a preparation method of the oil gel bead preparation, the surface of the oil gel bead preparation does not wrap a wall material, and the oil gel bead preparation is prepared from 50-80 parts by weight of isononyl isononanoate, 10-20 parts by weight of trimethylsiloxyphenyl polydimethylsiloxane, 0-20 parts by weight of stearyl alcohol and / or 0-15 parts by weight of behenyl alcohol, 1-10 parts by weight of dextrin palmitate and 0-10 parts by weight of rosa palmifolia fruit oil according to 100 parts by weight. The obtained oil gel bead preparation is good in forming effect and more uniform in surface and size distribution, so that the oil gel bead preparation is more attractive, the oil gel bead preparation is melted once being smeared, and the phenomenon of mud rubbing is avoided. Besides, the oil gel bead preparation can be used for embedding fat-soluble active matters, the components are simpler, and the particle size of the oil gel bead preparation can be controlled, so that the oil gel bead preparations with different particle sizes can be obtained and can be applied to different types of cosmetics.

The invention discloses a pre-lithiation method based on magnetron sputtering and application, and belongs to the field of batteries, and the pre-lithiation method comprises the following steps: S1, cutting a base material to be pre-lithiated into a required size for later use in advance; s2, the cut base material is placed on an objective table in a magnetron sputtering working chamber, a cabin door is closed, a vacuum pump is started, the interior of equipment is vacuumized, when the internal pressure reaches a fixed value A, argon is introduced at a certain gas flow, and the angle of a gate valve is adjusted to enable the internal pressure to be kept at a fixed value B; then, all sputtering parameters are set and recorded, and the base material is subjected to pre-lithiation; and S3, the base material subjected to magnetron sputtering pre-lithiation is subjected to lossless transfer through a glove box, and the influence of air on the pre-lithiation material is avoided. The method not only can be compatible with various battery systems, but also can effectively control the process, so that the pre-lithiation efficiency is greatly improved. In addition, the pre-lithiated material can be transferred in a lossless manner through a glove box, so that the influence caused by air is avoided.

This invention discloses a method for preparing ultrathin titanium oxide nanosheets rich in oxygen and titanium vacancies, comprising: (1) using titanium oxide nanosheets as raw materials, obtaining a single-layer titanium oxide nanosheet suspension after exfoliation; (2) after drying the single-layer titanium oxide nanosheet suspension, annealing it in air, cooling it to room temperature, and then placing it in a reactor heated to 500-750°C, and introducing a mixed gas composed of hydrogen and carrier gas into the reactor, keeping it at this temperature for a period of time, and then rapidly cooling it to room temperature to obtain ultrathin titanium oxide nanosheets rich in oxygen and titanium vacancies. The preparation method disclosed in this invention is simple and controllable; the product obtained is anatase-type ultrathin titanium oxide nanosheets with a complete and uniform surface, no particulate matter, a thickness of no more than 2 nm, but a large lateral size; the product is also rich in both oxygen and titanium vacancies, and the vacancy content can be effectively controlled, which is expected to be used as a high-efficiency catalyst.

The invention relates to a wave-transparent composite material with high surface flatness and low surface roughness and a forming method. The wave-transparent composite material comprises a fiber reinforced resin-based wave-transparent composite material main body layer, an ultrathin fiber cloth reinforced resin-based wave-transparent material transition layer and a thermoplastic film surface layer which are arranged in sequence. The forming method of the wave-transparent composite material comprises the following steps: sequentially laying the fiber reinforced resin prepreg (prepreg A), the ultrathin fiber cloth reinforced resin prepreg (prepreg B) and the thermoplastic polymer film on a mold, and then integrally hot-pressing, curing and forming. The wave-transparent composite material is compact and uniform in surface, high in flatness and low in roughness.

The present application belongs to the technical field of model surface finishing, and particularly relates to a surface finishing device for environmental design models, which comprises a base, a lifting frame, a veneer type grinding mechanism and a surface type speed control mechanism, the lifting frame is arranged on the upper wall of one end of the base, the veneer type grinding mechanism comprises a reversing assembly, a lifting assembly, a driving assembly, a surface finishing assembly and a positioning assembly, the reversing assembly is arranged on the base, the lifting assembly is arranged on the lifting frame, the driving assembly is arranged on the lifting assembly, the surface finishing assembly is arranged on one end of the driving assembly away from the lifting assembly, and the positioning assembly is arranged in the driving assembly. The surface finishing device for environmental design models can monitor the roughness of the surface of the model during the polishing process, and the grinding layer speed is reduced synchronously as the surface of the model gradually becomes smooth.

This invention discloses a method for preparing a polyamic acid solution and a polyimide film. The method involves determining the reactivity parameters of the diamine monomer and the dianhydride monomer through quantum chemical calculations. Based on these parameters, a highly reactive diamine monomer is paired with a less reactive dianhydride monomer, or vice versa, to form a complementary reactive monomer combination. This monomer combination is then subjected to prepolymerization, polymerization, and finally end-capping to obtain the polyamic acid solution. By combining theoretical calculations with process design, monomers with different reactivity participate uniformly in chain growth within the reaction system, achieving a uniform distribution and end-capping of the molecular chain sequence. The resulting polyamic acid solution is then cured by heating to obtain a polyimide film with a highly uniform and smooth surface and a dense, intact structure.

The present invention relates to a field of quantitative feeding technology, and in particular to a three-axis movable vertical powder high-precision quantitative feeding device suitable for fine chemical, new energy, food and pharmaceutical industries, comprising a frame, a storage bin is provided above the frame, a feed port is provided at the top of the storage bin, a discharge port is provided at the bottom of the storage bin, a switch door mechanism for closing or opening the discharge port is provided at a position near the discharge port of the frame, a feeding unit for outputting materials is provided in the storage bin, a conveying unit for conveying a container to the discharge port position of the storage bin is provided below the storage bin, a conveying platform for carrying the conveying unit is provided on the frame, and a mobile lifting unit for lifting and moving the entire conveying unit from the conveying platform is provided below the conveying unit. The present invention adopts internal vertical spiral feeding and a double-axis form of external stirring and arch breaking. The inner and outer double axes are driven by double motors respectively, and the structure is independent.

The invention discloses a method for removing an oxide layer through metal hot rolling and a metal product. The method comprises the steps that a metal coil stock is unfolded, and the flatness of the metal coil stock is adjusted; the metal coil material is heated to a first preset temperature and then rolled, and the rolled metal coil material is subjected to cold drawing at the normal temperature; the metal coil material is heated to a second preset temperature and then subjected to heat preservation, and the metal coil material is cooled after heat preservation; the metal coil material is heated to a third preset temperature, straightened and then cooled; carrying out sand blasting treatment on the metal coil material to remove a surface oxide layer of the metal coil material; and the metal coil material obtained after sand blasting treatment is subjected to acid pickling, and the metal machining part is obtained. The sand blasting pretreatment is carried out on the metal coil material, so that the subsequent acid pickling process can more uniformly act on the surface of the whole metal coil material, the phenomena of black mark residue and non-uniform hardness on the surface after acid pickling are reduced, and the acid pickling yield and the acid pickling efficiency are further improved.

The invention discloses a method for preparing a palladium-based high-efficiency catalyst, comprising the following steps: 1) adding all reducing solvents, palladium salts and half of the dispersant to a reaction container in sequence, stirring evenly, heating to the reaction temperature for reaction, dropping the remaining half of the dispersant, continuing stirring after the reaction is completed and naturally cooling to room temperature to obtain a mother liquor containing palladium nanoparticles; 2) filtering the mother liquor, then adding deionized water and a fluorine-containing surfactant, stirring and mixing evenly to obtain a palladium-based high-efficiency catalyst. The preparation method of the invention obtains a high content of palladium nanoparticles in the mother liquor of the palladium-based high-efficiency catalyst, a high degree of preparation reduction, and a high yield; the average particle size of the palladium nanoparticles is small and evenly distributed, all in the range of 2 to 8 nm; the palladium-based high-efficiency catalyst has good stability at room temperature; the palladium nanoparticles in the palladium-based high-efficiency catalyst have a large specific surface area, and the efficiency of catalytic preparation of the current collector is high and the effect is good.

The application provides a soybean big cherry yoghourt production process, which comprises the following steps: preparing raw soybean milk and tartary buckwheat bud powder, stress treating big cherries and color protection to prepare fruit pulp, adding the tartary buckwheat bud powder into the raw soybean milk to carry out heat preservation and deodorization treatment, then adding skimmed milk powder, sucrose and glucose, uniformly mixing and sterilizing and cooling, adding the big cherry fruit pulp to homogenize, carrying out pasteurization and cooling, then inoculating bacteria powder, and carrying out fermentation and post-ripening to prepare the soybean big cherry yoghourt. The application adopts the tartary buckwheat bud powder to deodorize soybean, the soybean raw milk has rich soybean flavor, no fishy smell, delicate taste, no bitter and astringent taste, the yoghourt fermented from the big cherry fruit pulp treated by stress and color protection has the special soybean and cherry flavor, no fishy smell, pure lactic acid flavor, and the natural color of the big cherry is well preserved.

The application discloses a preparation method of a multilayer composite crosslinking ceramic flow-casting green tape, which comprises the following steps: inputting slurry into multiple interval-mounted material boxes of a flow-casting machine, making the carrier tape pass through the material boxes and making the slurry in the material boxes be stacked on the carrier tape layer by layer to be flow-cast into a multilayer composite crosslinking flow-casting green tape; the slurry comprises silicon nitride ceramic powder, a sintering aid, a solvent, a binder, a dispersing agent, a plasticizer and a crosslinking agent; the plasticizer is at least one of cashew phenol Mannich tiglic acid ester, dibutyl phthalate, dimethyl phthalate and polyethylene glycol, and the dispersing agent is at least one of fish oil, castor oil and polyvinylpyrrolidone. The obtained green tape is uniform, smooth and flat, free of cracks, wrinkles and bubbles, has good toughness and high strength, is not easy to deform, and has adjustable thickness, and the problem that a crosslinking system ceramic green tape is difficult to flow thick is solved.

The present disclosure relates to the technical field of inorganic material preparation, and particularly relates to a preparation process for preparing aluminum silicon carbide from silicon carbide particles with surface modification. The preparation process comprises the following steps: step 1: providing silicon carbide particles; performing surface hydroxylation treatment on the silicon carbide particles to obtain silicon carbide particles with hydroxylation modification; step 2: performing surface modification treatment on the silicon carbide particles with hydroxylation modification by using a silane coupling agent to obtain silicon carbide particles with amination modification; step 3: preparing a solution containing a first complex; step 4: reacting the silicon carbide particles with amination modification with the solution containing the first complex to obtain a product of step 4; and step 5: performing heat treatment on the product of step 4 to obtain silicon carbide with surface modification.

The invention provides a 3D printing resin composition for jewelry investment casting and a preparation method and application thereof, and relates to the technical field of 3D printing materials, the 3D printing resin composition comprises the following components: a monofunctional acrylate resin monomer, oxidized graft modified petroleum wax and an ethylene-vinyl acetate copolymer, and optionally a photoinitiator, a rheology modifier, and an ultraviolet absorber; according to the 3D printing resin composition for jewelry investment casting, the mechanical strength and the surface precision are improved, and the technical problems that a traditional pure wax system is insufficient in mechanical property and poor in surface smoothness are solved.

The application discloses a high-temperature annealing method for reducing surface decomposition of AlN by eliminating surface gap. First, a covering layer material compatible with AlN is completely covered on the surface of an AlN template, and high-purity AlN powder is further inserted when two AlN templates are pasted face to face, so that subsequent high-temperature annealing is carried out in the pasted form. The prepared AlN template has a surface with greatly reduced high-temperature annealing decomposition and a large-area uniform and smooth surface; the process steps adopted by the method are compatible with semiconductor microelectronic technology, and the method is suitable for a process system of high-performance optoelectronic devices related to AlN.

The invention discloses a continuous low-temperature scouring agent as well as a preparation method and application thereof. The scouring agent comprises the following components in percentage by weight on the basis of the total weight: 10 to 16 percent of amine oxide surfactant, 8 to 18 percent of fatty alcohol EOPO block polyether, 4 to 8 percent of wax melting agent, 5 to 12 percent of gemini organosilicon surfactant, 18 to 24 percent of cationic polyacrylamide and 22 to 55 percent of water. The continuous low-temperature scouring agent prepared by the invention does not contain phosphorus, has good low-temperature wax removal emulsibility, good spreadability and strong dispersion washing power, and is particularly suitable for continuous low-temperature process treatment of cotton-polyester blended or pure cotton woven fabrics, and the treated fabrics are uniform in cloth cover, good in batch stability and high in desizing grade. The anti-pilling agent is used for polyester cotton tooling fabrics, and endows the fabrics with good anti-pilling performance.

The utility model relates to the technical field of putty polishing, in particular to putty polishing equipment for an automatic assembly line, which comprises a polishing device and a robotic arm. The grinding device comprises a fixing plate, a circular grinding disc, an external corner grinding disc, an internal corner grinding disc, a first telescopic structure and a second telescopic structure. One end of the mechanical arm penetrates through the fixing plate and is connected with the circular grinding disc; one end of the first telescopic structure is arranged on the fixing plate, and the other end of the first telescopic structure is connected with the external corner grinding disc; one end of the second telescopic structure is arranged on the fixing plate, and the other end of the second telescopic structure is connected with the internal corner grinding disc; the shape of the external corner grinding disc is matched with the shape of a wall external corner, and the shape of the internal corner grinding disc is matched with the shape of a wall internal corner. According to the wall surface polishing device, putty of external corners and internal corners can be polished, so that the surfaces of the external corners and the internal corners are more uniform, finer and smoother, and the wall surface polishing quality is improved.

The invention provides anti-stacking white ink which is prepared from the following components in percentage by weight: 35.0 to 80.0 percent of solvent, 20.0 to 30.0 percent of white color paste, 4.5 to 9.0 percent of resin, 1.0 to 3.0 percent of conductive agent and 4.0 to 20.0 percent of auxiliary color paste, and the sum of the weight percent of all the components is 100 percent. The auxiliary color paste is prepared by mixing eutectic of silicon dioxide and aluminum oxide with cyclohexanone and grinding the mixture into a certain particle size by using a dispersing agent. Compared with the prior art, the eutectic of the silicon dioxide and the aluminum oxide is added, and the eutectic has the characteristic of being easy to form a spherical structure, so that other components of the ink can be well wrapped, the surface of the white ink is uniform and round, and the stacking phenomenon of the white ink at a recovery opening is effectively reduced.

The present invention discloses a high-precision patch device for smart meter production, which relates to the technical field of meter production, and includes a device body and a mounting component, wherein the mounting component is used to mount electronic components on a circuit board brushed with solder paste. The present invention connects the electric push rods on both sides of the storage box with the middle lower pressure plate, and drives the support rod to rise and fall during the lifting and lowering process of the electric push rod, thereby causing the No. 1 piston plate to move inside the storage box, and the staff can put the solder paste into the storage box at one time. At this time, under the action of the No. 1 piston plate, the solder paste at the bottom of the storage box is squeezed downward, reducing the contact between the solder paste and the air, ensuring the quality of the solder paste, cooperating with the transport component to make a gap between the bottom of the storage box and the top of the transport component, avoiding the phenomenon of solder paste overflowing during the soldering process, reducing the time and labor cost of solder paste printing, and at the same time reducing the amount of solder paste remaining at the bottom of the solder paste printing component, and improving the quality of solder paste printing.

The present invention relates to a mold, and specifically to a mold for a closed shell composite material product, including an upper template, a lower template, and a positioning mechanism. An upper model cavity is formed on the upper template, and the positioning mechanism is arranged on the lower template, and together with the lower template, it encloses the lower model cavity, and the positioning mechanism is also used to position with embedded metal parts in the product. The special positioning mechanism of the present invention solves the problems of inaccurate positioning accuracy of embedded metal parts in one-piece molded products and product sealing, and solves the problem of operational complexity caused by repeated disassembly during production and use by using the structure in which the upper template and the upper mold core are integrally molded. The problem of poor product surface quality is solved by arranging a heating tube and a hole structure inside the side-drawing slider, and the problem of difficulty in mold closing is solved by the cooperation between the concave structure on the side-drawing slider and the shovel base on the upper template, so that the wall thickness of the produced product is uniform and the surface is smooth without steps.

The invention relates to the technical field of concrete preparation, and discloses a concrete preparation device for optimizing steel slag aggregate performance based on laser micropores and magnetic potential control. Comprising a central control module, and a circulating module, a laser micropore module, a screening and weak magnetic supplementing module, an instantaneous pressure dust removal module and a magnetic force position control mixing module which are controlled to work by adopting the central control module. The expansion problem possibly caused by the steel slag is effectively relieved. The distribution uniformity of the steel slag aggregate in the steel slag concrete can be improved, and the uniformity of the steel slag aggregate in the mixing process of the steel slag concrete is optimized, so that the performance of the steel slag concrete is improved. The instant negative pressure effect is generated through rapid pressure relief, dust and fine particles generated by laser drilling are rapidly sucked away, and therefore the purposes of cleaning the surfaces of micropores of the steel slag aggregate and cleaning the micropores are achieved.

The application discloses a processing method of an upper dielectric layer of a lower electrode and a manufacturing process of the lower electrode. The processing method of the upper dielectric layer comprises the following steps: performing plasma spraying on a surface of an electrode layer to form the upper dielectric layer, wherein the spraying route of the plasma spraying is N scanning paths in S shape, and the starting points of the N scanning paths are staggered by a distance d in the same direction; sealing holes; grinding; and sand blasting, wherein the sand blasting route is the same as the spraying route. In the spraying and sand blasting processes of the upper dielectric layer, a plurality of offset paths are adopted, the uniformity of the superposition area is increased, the wave shape formed on the surface of the upper dielectric layer is reduced, and the uniformity of the surface of the upper dielectric layer is improved. Therefore, the non-uniform cooling of a glass substrate caused by the difference in the dry etching process is reduced, and the generation of mura in the dry etching process is reduced.

The invention discloses a plasma and laser circulation synergistic target material surface treatment method and device. The method comprises the steps that a target material is provided, and no large-area loose attachment exists on the surface of the target material; performing plasma cleaning on the surface of the target material according to a first preset parameter for preset time; performing laser scanning treatment on the surface of the target material subjected to plasma cleaning according to a second preset parameter; plasma cleaning and laser scanning treatment are carried out at least once; and the target material surface state parameters are monitored in real time, a monitoring result is obtained, and the first preset parameter and the second preset parameter are dynamically adjusted based on the monitoring result until the target material surface state parameters meet a preset threshold value. On the basis that the target material is not damaged, integrated treatment from macroscopic cleaning to microcosmic leveling can be achieved step by step in a layered mode, and finally the target material high in cleanliness and uniform in surface is obtained.

The present invention provides a thermally expandable microcapsule from which a foam molded article that has a uniform surface, is less prone to surface unevenness, and has an excellently light weight can be produced. The present invention also provides a foamable masterbatch and a foam molded article each produced using the thermally expandable microcapsule. Provided is a thermally expandable microcapsule including: a shell; and a volatile expansion agent as a core agent encapsulated by the shell, the thermally expandable microcapsule satisfying D10 / D50 of 0.6 or more and 1.0 or less and D99 / D50 of 1.0 or more and 2.0 or less where D10 represents a particle size at a cumulative frequency of 10% by volume, D50 represents a particle size at a cumulative frequency of 50% by volume, and D99 represents a particle size at a cumulative frequency of 99% by volume in a cumulative undersize distribution of a volume-equivalent particle size determined using a laser diffraction / scattering particle size distribution analyzer.

The utility model provides an electrostatic eliminating device for chemical fabric production, which comprises a working table, a humidifying chamber is nested on the outer surface of the working table, a drying box is arranged on one side of the humidifying chamber, and a winding device is arranged on one side of the working table. According to the static electricity removing device for chemical fabric production, by arranging the winding equipment, the stirrer and other structures, liquid in the water tank is stirred through the stirrer, so that the liquid is more evenly mixed in the water tank, then the atomization nozzles are used for spraying the two faces of chemical fabric, and the liquid is more even on the surface of the chemical fabric; after the static electricity of the chemical fabric is removed, the winding roller is rotated to wind the chemical fabric, and the wound chemical fabric can effectively avoid the influence of external dust, pollutants or mechanical damage and the like on the fabric, so that the quality of the fabric is protected, unnecessary loss is reduced, and the production efficiency is improved. And the processing efficiency of the device is effectively improved.

The present invention belongs to the field of biomedical technology, and relates to a flexible neural electrode and a preparation method thereof. After the initial neural electrode is treated with oxygen plasma, the initial neural electrode is immersed in a dopamine hydrochloride solution for a first electropolymerization to obtain a neural electrode with a modified electropolymerized PDA layer, and then the neural electrode with the modified electropolymerized PDA layer is immersed in an EDOT solution for a second electropolymerization, and then annealing is performed to obtain a flexible neural electrode. The present invention introduces a composite layer composed of an electropolymerized PDA layer located below and an electropolymerized PEDOT layer located above at the electrode site of the initial neural electrode, thereby significantly enhancing the interface bonding force, improving the conductivity, stability and biocompatibility of the electrode, thereby extending the service life of the neural electrode, and solving the problem of easy detachment and performance degradation of the PEDOT coating in the prior art.