68 results about "Thioglycolic acid" patented technology

The present invention discloses a cross-linked cellulose-based gel polymer electrolyte and a preparation method thereof. The method comprises the following steps: a preparation method of water-soluble allyl cellulose with different degrees of substitution and a preparation method of a cross-linked cellulose-based gel polymer electrolyte. A polymer film is obtained by cross-linking allyl cellulose polyethylene glycol dimethacrylate / polyethylene glycol diacrylate and 1,4-butanediol bis(thioglycolate) with double bonds under ultraviolet irradiation through a thiol-ene click reaction; the polymer film is immersed in a carbonate electrolyte to obtain a cross-linked cellulose-based gel polymer electrolyte. The ionic conductivity and interfacial impedance of the gel polymer electrolyte can be adjusted by changing the degree of substitution of allyl cellulose and the content of polyethylene glycol dimethacrylate / polyethylene glycol diacrylate. The cross-linked cellulose-based gel polymer electrolyte has high ionic conductivity, high interfacial compatibility, high thermal stability and cycling performance.

The invention discloses a combined collecting agent in low-grade copper-molybdenum ore and application of the combined collecting agent, and belongs to the technical field of mineral separation. The method comprises the following steps: firstly, adding lime into raw ore as an inhibitor, grinding the ore, adding kerosene and butyl acrylate (or butyl methacrylate) as a combined collecting agent and a foaming agent, carrying out one-time roughing, two-time concentrating and three-time sweeping operation to obtain copper-molybdenum bulk concentrate, stirring the copper-molybdenum bulk concentrate for reagent removal, and then carrying out copper-molybdenum separation operation; sodium sulfide and sodium thioglycollate are added as inhibitors, and copper concentrate and molybdenum concentrate are obtained after one-time roughing, four-time concentrating and three-time sweeping operation; butyl acrylate (or butyl methacrylate) involved in the method has a foaming effect, kerosene and butyl acrylate (or butyl methacrylate) are used as the combined collecting agent, a foaming agent does not need to be added in the process, the ore dressing cost is reduced, and meanwhile efficient recovery of copper-molybdenum minerals is achieved.

To provide a depilatory composition which is easily rinsed off after use and has reduced burden on the skin.SOLUTION: A depilatory composition of the present invention contains the following components (A), (B) and (C): (A) thioglycolic acid or thioglycolic acid salts; (B) high-polymerized polyethylene glycol having an average molecular weight of 600,000 or more; and (C) water.SELECTED DRAWING: None

A depilatory composition comprising: (a) a synthetic oil; (b) a source of alkalinity; (c) a depilatory agent; (d) water; and (e) a C8-20 alkyl hydroxyalkyl cellulose; and wherein the composition has a pH in the range of 10-12.9 at 30°C ± 0.5°C measured as a 10% w / v aqueous solution or as a neat composition is provided. The synthetic oil is selected from mineral oil, silicone, white oil, PPG-Stearyl ethers, synthetic squalane or combinations thereof. The source of alkalinity is preferably potassium hydroxide. The depilatory agent is preferably potassium thioglycolate. The C8-20 alkyl hydroxyalkyl cellulose is preferably cetyl hydroxyethyl cellulose. The use of a C8-20 alkyl hydroxyalkyl cellulose to provide a storage stable depilatory composition is provided, wherein the composition is stable for at least one week at a temperature of above freezing to up to 50°C. The use of the depilatory composition to remove hair from the body is provided. A method of hair removal using the depilatory composition is provided. A preferred composition comprises (a) mineral oil; (b) potassium hydroxide; (d) water; and (e) cetyl hydroxyethyl cellulose.

The utility model provides a novel isooctyl thioglycolate esterification kettle which comprises a kettle body, the middle part of the upper part of the kettle body is fixedly connected with a driving motor, the lower end of an output shaft of the driving motor penetrates through the middle upper side in the kettle body, and the lower end of the output shaft of the driving motor is connected with a stirring rod through a coupler; supporting legs are fixedly connected to the periphery of the lower part of the kettle body respectively; an opening in the middle of the lower part of the kettle body is fixedly connected with a discharge valve, and the reaction kettle is characterized in that an immersed feeding assembly is arranged in the kettle body, and the upper side of the immersed feeding assembly penetrates through the left upper side in the kettle body. Due to the arrangement of the conveying pipe, the arc-shaped feeding pipe, the spraying holes and the material pump, the immersion feeding effect can be realized, so that a catalyst can be quickly mixed with materials, and the production efficiency of the esterification kettle can be effectively improved.

The application relates to a low-smoke halogen-free flame-retardant plastic and a preparation method thereof, and belongs to the technical field of flame-retardant high polymer materials. The components of the flame-retardant plastic are as follows: 12-17 wt% of magnesium hydroxide superfine powder, 4.5-6.2 wt% of modified flame retardant, 5-7 wt% of toughening agent, 0.9-1.2 wt% of lubricant, 0.3-0.4 wt% of antioxidant, and the rest is PBT resin; the modified flame retardant is prepared by reacting pentaerythritol and phosphorus oxychloride to form a cage-shaped phosphate ester containing a hydroxyl group, then acryloyl chloride is esterified with the hydroxyl group of the cage-shaped phosphate ester to form a monoester intermediate, and finally the thiol group of pentaerythritol tetramercaptoacetate is click-added to the double bond of the monoester intermediate; the modified flame retardant interacts with the magnesium hydroxide, a stable hollow carbon net is formed in the flame-retardant process, the smoke particles have a multilayer adsorption and filtration effect, the release of smoke is reduced, and the smoke density is greatly reduced.

The invention discloses a method for preparing a gradient tin dioxide film based on a chemical bath method, which comprises the following steps: S1, mixing urea, mercaptoacetic acid, hydrochloric acid and stannous chloride to obtain a clear chemical bath deposition solution; s2, a substrate is immersed in the chemical bath deposition solution prepared in the step S1 for soaking deposition, and then washing, annealing and blow-drying are conducted; and S3, the substrate is immersed in the chemical bath deposition solution prepared in the step S1 again for secondary chemical bath deposition, then washing, annealing and blow-drying are conducted, and the gradient tin dioxide thin film can be formed on the substrate. The prepared tin dioxide film has the advantages of being more uniform, low in resistivity, high in migration rate, high in visible light range transmissivity and the like; the preparation process can be repeated, and no suspended matter is generated in the deposition process. The tin dioxide thin film prepared by the method is applied to the perovskite solar cell, and the photoelectric conversion efficiency of the perovskite solar cell can be effectively improved.

To provide a hair-deforming cosmetic composition exhibiting low hair damage and having either a curling effect or a hair-straightening effect.SOLUTION: A hair-deforming cosmetic composition comprises thioglycolic acid, cysteamine, and an organic acid having a pKa value higher than that of thioglycolic acid, and its pH is adjusted to 8.0 or lower with a basic amino acid.SELECTED DRAWING: None

The application provides a thioglycolic acid modified carbon quantum dot, which is prepared by the following method: (1) preparing a carbon quantum dot solution by using Dicranopteris dichotoma leaves and / or Ricinus communis leaves as raw materials; (2) adding thioglycolic acid into the carbon quantum dot solution obtained in the step (1) so that the concentration of the thioglycolic acid is 0.5mmol-5mmol; after being sufficiently dissolved and mixed, the reaction is carried out at 100-140 DEG C for 1-6 hours to obtain the thioglycolic acid modified carbon quantum dot. The application finds that under suitable conditions, the inhibition effect of the thioglycolic acid modified carbon quantum dot on Ralstonia solanacearum is significantly enhanced, and the minimum inhibitory concentration and the bactericidal concentration are obviously reduced.

The invention relates to the technical field of reinforcement materials, in particular to a high-strength inorganic thin-spray reinforcement material for mining and a preparation method thereof. The inorganic thin-spray reinforcement material is prepared by blending an adhesive, an environmentally friendly gelling material, kaolin, a toughening agent and an auxiliary agent; waste foam concrete, steel slag, slag and sulphoaluminate cement are compounded to prepare the environmentally friendly gelling material; redispersible latex powder is compounded with modified basalt fiber as a toughening agent; thioglycolic acid is used to introduce a thiol group into the basalt fiber, and then a bio-based flame retardant containing a double bond at one end and an antifouling group at the other end is grafted; polyvinyl alcohol and modified acrylamide are compounded as an adhesive, and a light-initiated micelle polymerization method is adopted to prepare the modified acrylamide using acrylic acid, 2-acrylamide-2-methylpropanesulfonic acid, acrylamide, N-dodecyl acrylamide and the bio-based flame retardant as raw materials.

To provide an antimicrobial composition which has water solubility and exhibits superior antibacterial effects against Gram-positive bacteria.SOLUTION: An antimicrobial composition of the present disclosure contains a diiodomethane compound (A), a cyclodextrin derivative (B), and a compound (C), wherein the compound (C) includes at least one selected from the group consisting of pyrrolidones, organic acids, terpenes, urea and urea derivatives, alcohols, esters, chelating compounds, antioxidants, surfactants, and thioglycolic acid or salts thereof.SELECTED DRAWING: None

The invention discloses a preparation method of high-stability aviation gasoline, and relates to the field of fuel oil. When the high-stability aviation gasoline is prepared, magnetic powder reacts with mercaptoacetic acid and then reacts with polyvinylpyrrolidone to prepare porous sulfydryl modified magnetic particles; the porous sulfydryl modified magnetic particles, bis (3, 5-dicarboxyphenyl) azo and copper nitrate trihydrate are subjected to a reaction, and a magnetic desulfurizer is prepared; the method comprises the following steps: reacting a magnetic desulfurizer with base oil, and removing by magnetic adsorption to prepare primarily processed gasoline; the preparation method comprises the following steps: reacting diphenylamine, N-phenyl-alpha-naphthylamine and octylene to prepare an antioxidant; and uniformly mixing the antioxidant and the primarily processed gasoline. The high-stability aviation gasoline prepared by the preparation method disclosed by the invention has relatively low sulfur content and good stability.

The invention discloses a method for recovering elemental sulfur from oxygen pressure leaching residues, which comprises the following steps: firstly, dissociating elemental sulfur from mineral substances by adopting a grinding process, and then adopting N, N '-diethyldithiocarbamate and neutral oil as collecting agents and sodium thioglycolate as an inhibitor in flotation operation; the N, N-diethyldithiocarbamate and neutral oil synergistic collecting system is adopted in flotation operation, under the organic inhibition effect of bifunctional sodium thioglycollate, the number of times of concentration can be reduced, the grade of the sulfur concentrate can be improved, high-grade sulfur concentrate is successfully obtained through roughing and concentration of the flotation column, the grade can reach 90% or above, and the recovery rate can reach 80% or above. In addition, the method does not need heating or roasting, the used medicament is acid-resistant, the filtrate can be recycled, and the method has the advantages of simple process, low energy consumption, high resource recovery rate and the like, is suitable for efficient recovery of elemental sulfur in the oxygen pressure leaching process waste residues of zinc, copper, nickel and the like, and has a wide application prospect.

The invention belongs to the technical field of immune cell culture, and particularly relates to an immune cell culture expansion medium and a preparation method thereof. The culture medium consists of a matrix and active ingredients; the matrix comprises the following components in parts by weight: 10 to 15 parts of thiolated hyaluronic acid, 8 to 12 parts of mercapto polyethylene glycol, 0.5 to 1 part of thioglycolic acid, 0.01 to 0.05 parts of hydrogen peroxide, 1 to 2 parts of perfluorodecane, 0.5 to 1 part of soybean lecithin, 1 to 2 parts of cell protectants and 40 to 50 parts of PBS buffer; the active ingredients comprise the following components in parts by weight: 0.005 to 0.01 parts of IL-2, 0.001 to 0.005 parts of IL-15, 0.05 to 0.1 parts of α-galactosylceramide, 0.03 to 0.15 parts of glutathione, 0.5 to 1 parts of amino acids, 0.25 to 0.5 parts of L-glutamine, 0.05 to 0.1 parts of pyruvic acid and 0.1 to 0.5 parts of albumin. The present invention provides continuous oxygen support and controls the release of active ingredients through a dynamic three-dimensional network constructed by sulfhydryl hyaluronic acid and mercapto polyethylene glycol.

The invention discloses a preparation method of a three-phase Ag / Ag2S / h-RGO photocatalyst, comprising the following steps: functionalized SiO2 nanospheres are added to ultrapure water and dissolved to obtain a mixed solution; graphene oxide is dispersed in ultrapure water, ultrasonicated, and then placed in the mixed solution and vigorously stirred to generate SiO2@GO; NaBH4 is then added and stirred, followed by sodium hydroxide, the mixture is stirred, and the resulting product is washed to obtain h-RGO; h-RGO is dissolved in water, thioglycolic acid is added, and vigorously stirred; AgNO3 is then added and stirred, followed by Na2S·9H2O and stirred, followed by centrifugation to obtain a product dissolved in water, and silver sulfide is in situ reduced with a sodium borohydride solution; the product is washed and dried to obtain a three-phase Ag / Ag2S / h-RGO photocatalyst. The present invention adopts a layer-by-layer (LBL) self-assembly method to synthesize nanosheets RGO with a hollow structure, and a simple in situ growth method is used to prepare a three-phase Ag / Ag2S / h-RGO photocatalyst.

The invention discloses a plasma meltallizing metal coating and a preparation method thereof, and relates to the technical field of metal coatings. When the plasma meltallizing metal coating is prepared, firstly, zinc, aluminum, titanium, cerium oxide and silicon carbide ceramic are mixed, and then the mixture and a zinc-aluminum alloy strip are prepared into a meltallizing alloy powder core wire; monoethyl phosphate and hydroxyethyl methylacrylate are subjected to a reaction, and olefin modified phosphate is prepared; the preparation method comprises the following steps: reacting isophorone diisocyanate, ethylene glycol dimercaptoacetate, polycarbonate diol and olefin modified phosphate to prepare modified polythionocarbamate; mixing the modified polythionocarbamate with a diluent, a photoinitiator and a catalyst, and defoaming to obtain a modified organic coating; the method comprises the following steps: spraying a meltallizing alloy powder core wire on the surface of a substrate by using a plasma meltallizing method, blade-coating the modified organic coating by using a blade-coating method, and carrying out ultraviolet light curing to obtain the plasma meltallizing metal coating. The prepared plasma spray metal coating has the advantages of being high in impact strength, high in bonding strength and good in corrosion resistance.

The present invention relates to the technical field of concrete admixtures and discloses a polycarboxylate water-reducing agent containing nanomaterials and a preparation method thereof. The present invention comprises adding solution A, alkenyl-modified silane chitosan, water, ammonium chloride, and ferrous sulfate to a reactor, and then adding a sodium persulfate initiator solution E, a mercaptoethanol reducing agent solution C, and a thioglycolic acid chain transfer agent solution D under stirring to initiate a polymerization reaction. Solution B is then added dropwise to the reaction mixture. After the addition is complete, the reaction is carried out, the product is cooled to room temperature, and the pH value is adjusted to neutral with an alkaline solution to obtain the polycarboxylate water-reducing agent containing nanomaterials. The chitosan in the alkenyl-modified silane chitosan can reduce the diffusion coefficient of chloride ions, improve the impermeability and density of concrete, and also improve the durability of concrete. The siloxane groups therein also improve the durability of concrete.

Rectification equipment for preparing isooctyl thioglycolate belongs to the technical field of rectification equipment and comprises a rectification tower, an upper filler plate and a lower filler plate are fixedly connected in the rectification tower, a plurality of guide rods are fixedly connected between the upper filler plate and the lower filler plate jointly, and two pre-tightening plate mechanisms are slidably connected to the guide rods jointly. A multi-direction piston mechanism is arranged between the two pre-tightening plate mechanisms, a plurality of movable ends are arranged at the positions, corresponding to the guide rods, of the multi-direction piston mechanism, the movable end of each multi-direction piston mechanism is rotationally connected with two connecting rods, and one ends of the two connecting rods are rotationally connected with the two pre-tightening plate mechanisms respectively. The pre-tightening plate mechanism, the multi-directional piston mechanism and the connecting rod are arranged to compress the filler, a large cavity is eliminated when the filler collapses due to deformation of the filler, and the guide rod, the connecting ring, the first porous plate and the stirring rod are arranged to drive the whole filler to twist, so that the adhered filler is dislocated and separated.

The invention relates to a flame-retardant lightweight elastomer material and a preparation method thereof, and belongs to the technical field of high polymer materials. The elastomer material is prepared from the following components in percentage by weight: 3.5 to 5.2 percent of modified flame retardant, 2.5 to 3.5 percent of polyalkenyl cross-linking agent, 0.1 to 0.13 percent of accelerant, 1.4 to 1.8 percent of lubricant, 0.15 to 0.2 percent of antioxidant and the balance of POE (Polyolefin Elastomer) resin, the modified flame retardant is prepared by the following steps: reacting o-aminobenzyl alcohol with formaldehyde to form a hydroxyl-containing triazine compound, namely an intermediate 1, carrying out click addition reaction on mercaptoacetic acid and methylallyl trisulfide to form a carboxyl-terminated intermediate 2, and finally esterifying the intermediate 2 and the intermediate 1. According to the modified flame retardant, through molecular design, in the high-temperature ignition process, high-efficiency flame suppression and low smoke and low loss are achieved through molecular-level staged flame retardance.

The present invention is directed to an electrolyte composition for depositing copper on a conductive surface. The composition contains a combination of two aromatic amines, a complexing agent for copper (II) ions, and an accelerator such as dithiodiglycolic acid, thioglycolic acid, thiourea, ammonium thiocyanate, thiocyanic acid, or combinations of the foregoing. The invention is also directed to a process for creating copper interconnects comprising a step of electroplating copper with said electrolyte into cavities. The electrolyte makes it possible to manufacture copper interconnects with an improved bottom-up effect during the copper filling electroplating step.

The invention belongs to the technical field of production detection, and particularly relates to an isooctyl thioglycolate production detection device which comprises a sampling detection assembly arranged on a tank body, the tank body is used for producing isooctyl thioglycolate, and the sampling detection assembly is used for collecting isooctyl thioglycolate in the tank body and conveying the isooctyl thioglycolate to a detection platform. The sampling assembly comprises a mounting frame, a sampling pipe and a suction pipe, the mounting frame is arranged on the tank body, the sampling pipe is slidably mounted on the outer wall of the mounting frame, one end of the suction pipe is connected with the sampling pipe, the other end of the suction pipe is externally connected with negative pressure equipment, an electric push rod is fixedly mounted at the top end of the mounting frame, and the output end of the electric push rod is fixedly connected with the sampling pipe; the extrusion block is slidably mounted on the mounting frame, the auxiliary wheel is rotatably mounted on the extrusion block, the mounting frame is suspended on the tank body through the extrusion block, and isooctyl thioglycolate at different positions and different depths can be collected in a manner of walking in a manner of fitting the inner wall of the tank body, so that the detection result is more accurate.

The present invention provides a chlorinated polyvinyl chloride resin composition capable of providing a molded article that is excellent in discoloration resistance and corrosion resistance and is not likely to cause environmental pollution as the amount of metal leached therefrom is small, and a chlorinated polyvinyl chloride resin molded article. The present invention relates to a chlorinated polyvinyl chloride resin composition containing: a chlorinated polyvinyl chloride resin; a thermal stabilizer; and at least one thioglycolic acid compound selected from the group consisting of thioglycolic acid and thioglycolic acid esters.

The utility model provides a novel water scrubber for producing isooctyl thioglycolate, which comprises a water scrubber body, a water collecting seat fixedly mounted on the lower portion of the water scrubber body, a water outlet integrally arranged on one side of the water collecting seat, a liquid spraying pipe component mounted on the upper side inside the water scrubber body, and a packing layer fixedly mounted in the middle of the water scrubber body. The liquid spraying pipe assembly comprises a central pipe and an annular pipe, and branch pipes are integrally arranged between the central pipe and the annular pipe in a radial mode. Due to the arrangement of the central pipe, the annular pipe, the water inlet pipe, the branch pipes and the atomizing nozzles, water for washing is more uniform, and the washing effect is improved.

To provide a culture medium suitable for culturing and detecting lactic acid bacteria causing deterioration of a beer-like sparkling beverage, and to provide a method for detecting beer-spoilage lactic acid bacteria of the beer-like sparkling beverage by using the culture medium.SOLUTION: The culture medium and the beer-like sparkling beverage are used for detecting beer-spoilage lactic acid bacteria, and the beer-spoilage lactic acid bacteria are detected by inoculating the beer-spoilage lactic acid bacteria into the culture medium and culturing the beer-spoilage lactic acid bacteria in the culture medium, and Lactobacillus paracoinoides or Lactobacillus lindneri is detected by inoculating the beer-like sparkling beverage into the culture medium and culturing the beer-spoilage lactic acid bacteria in the culture medium. K1, To provide a method for detecting beer-spoilage lactic acid bacteria.SELECTED DRAWING: None

This invention discloses a cerium copper selenide (CCuSe2) compound thin film, its preparation method, and its applications. The preparation method includes: S1, mixing a copper source and a cerium source to obtain a cerium copper powder mixture; S2, adding thioglycolic acid and ethanolamine to the cerium copper powder mixture, heating and stirring until the cerium copper powder mixture is completely dissolved to obtain a mixed solution; S3, cooling the mixed solution to room temperature, adding a selenium source to the mixed solution, heating and stirring, reacting until the selenium source is completely dissolved, centrifuging, and obtaining the supernatant as the cerium copper selenide precursor solution; S4, spin-coating and sintering the cerium copper selenide precursor solution to obtain a cerium copper selenide pre-film; S5, subjecting the cerium copper selenide pre-film to high-temperature annealing, and cooling to obtain a cerium copper selenide thin film. This invention marks the first experimental synthesis of the CeCuSe2 compound, which matches the theoretically calculated CeCuSe2 crystal structure. The optical and electrical properties of CeCuSe2 materials were also investigated, confirming that cerium copper selenide thin films can be applied to solar cells and photocatalysis.

The invention relates to the technical field of battery materials, in particular to an organic pretreatment method in lithium sulfide ICP-OES (Inductively Coupled Plasma-Optical Emission Spectrometer) impurity test. The method mainly comprises the following steps: (1) weighing a lithium sulfide solid sample, and adding ultrapure water for dissolving to obtain a sample treatment solution; (2) adding chloroacetic acid into the sample treatment liquid, and converting the sulfur element in the lithium sulfide into the organic matter to obtain an intermediate liquid 1; (3) adding ammonia water into the intermediate solution 1 to adjust the pH value to 7-8, and converting excessive chloroacetic acid in the intermediate solution 1 and mercaptoacetic acid generated by the reaction into thiodiacetic acid to obtain an intermediate solution 2; and (4) adding hydrochloric acid into the intermediate solution 2 to adjust the pH value to 1-2, and then adding an organic solvent for extraction to obtain a water phase solution which is a solution to be detected. After extraction, the concentration of the S element in a water phase solution is extremely low, the experimental process is safe and controllable, and no chemical reagent influencing the test of the content of metal element impurities is added.

The invention relates to a nanoparticle for use as a drug carrier and the synthesis method of this nanoparticle. In the invention, magnesium / aluminium (Mg / AI) mucoadhesive thiolated layered double hydroxide (nLDHT) nanoparticles are thiolated with L-cysteine and / or thioglycolic acid and / or 2-iminothiolane hydrochloride and / or glutathione and / or N-acetyl cysteine and / or 3-mercaptopropionic acid and / or 6- mercaptohexanoic acid. Thus, nLDHT interacts with the mucin on the surface of the targeted mucosal tissue for a longer period of time and acts with fewer side effects in the target tissues.

The present application relates to a clethodim composition comprising clethodim or an agriculturally acceptable salt thereof and thioglycolic acid or a thioglycolic acid ester. The present application also relates to the use of thioglycolic acid or a thioglycolic acid ester as a stabilizer for clethodim or an agriculturally acceptable salt thereof. The present application further relates to a clethodim emulsifiable concentrate and a parent drug containing the composition of the present invention.

The invention belongs to the technical field of fine chemical engineering, and discloses a resource utilization method of isooctyl thioglycolate rectification waste, which comprises the following steps: adding a proper amount of mercaptoethanol into the rectification waste to carry out reduction reaction, adding a certain amount of water to wash after the reaction is finished, standing for a period of time, separating out an upper organic phase, and drying to obtain the isooctyl thioglycolate rectification waste. And then carrying out continuous flash evaporation to obtain the isooctyl thioglycolate. The recovered isooctyl thioglycolate meets the synthesis requirements of tin mercaptide and ester tin, and has the characteristics of short process chain, simple operation, mild reaction conditions, environmental protection and the like.

The invention discloses a universal serum-free animal-source-component-free high-density fermentation medium for infectious actinobacillus pleuropneumoniae. The universal serum-free animal-source-component-free high-density fermentation medium is prepared from soy peptone, a yeast extract, dipotassium phosphate, sodium bicarbonate, glucose, magnesium sulfate, L-glutamine, asparagine, choline chloride, ferrous sulfate, thioglycollic acid, zinc sulfate and manganese sulfate. According to the present invention, through the specific component composition, the different serotypes of the infectious actinobacillus pleuropneumoniae can be adapted to the fermentation of the fermentation tank, and the growth rate and the highest bacterial concentration of the infectious actinobacillus pleuropneumoniae are high by controlling the fermentation temperature, the ventilation amount and the stirring speed during the fermentation culture process, such that the production cost can be effectively saved. As the antigen does not contain animal-derived components, the safety is high, and a foundation is laid for a purification process of the antigen in the infectious actinobacillus pleuropneumoniae fermentation liquor.