37 results about "Sodium benzoate" patented technology

The present disclosure discloses a composition for hair growth comprising Larix europea wood extract, Camellia sinesis leaf extract, Pisum sativum sprout extract, Curcuma longa (Turmeric) callus conditioned media, Hamamelis virginiana (Witch Hazel), Rosmarinus officinalis Leaf Oil, Glycerin, Glycine, Zinc Chloride, Sodium Metabisulfite, Gluconolactone, Sodium Benzoate, Calcium Gluconate, Tetrasodium ethylenediaminetetraacetic acid (EDTA), Saccharide Isomerate, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Propanediol, Biotinoyl Tripeptide- 1, Alpha Glucosyl Hesperidin, Caffeine, Hydrolyzed Pea Protein, Polyalkylene Glycol Mono Butyl Ether, Acrylates / C 10-30 Alkyl Acrylate Crosspolymer, Panthenol, Niacinamide, Arginine, PEG-40 Hydrogenated Castor Oil, Ethylhexylglycerin, Phenoxyethanol, and water is added to the composition until the desired volume is achieved. A method for preparing the composition for hair growth is also provided.

The application relates to the technical field of degradable materials, and discloses a high-mechanical-property PLA degradable composite material and a preparation method thereof.The high-mechanical-property PLA degradable composite material comprises the following raw materials in parts by weight: 60-80 parts of PLA resin, 15-30 parts of PBS resin, 5-12 parts of Chinese pine powder, 10-15 parts of polycaprolactone, 0.1-3 parts of a modified toughening agent, 0.2-1 part of a modified light stabilizer, 0.1-1 part of antioxidant 1010, 1.5-3 parts of glycerol tristearate, 0.1-0.5 parts of sodium benzoate and 0.1-0.5 parts of silane coupling agent KH-550.The modified toughening agent improves the impact strength and flexibility of the material, and further widens the application scene of the material; the modified light stabilizer enhances the ultraviolet aging resistance of the material, and meanwhile, the material retains excellent degradable characteristics and can be efficiently degraded in a natural environment after being discarded.

A patch composition for targeting herpes virus comprising the following ingredients: a patch base, trisodium phosphate, malic acid, sorbitol, sodium benzoate, cellulose gum, peppermint, sodium saccharin, naringin, wind wheel grass extract, xanthan gum, polyethylene glycol-8, calcium carbonate, hydroxyethyl cellulose, hydroxypropyl guar gum, sodium nitrate, hydrated silica, sodium lauryl sulfate, strontium chloride hexahydrate, tranexamic acid, two-faced needle extract, sodium monofluorophosphate, sea salt, potassium nitrate, sodium chloride, and purified water q.s.

This invention discloses a method for the continuous synthesis of benzoic acid from sodium benzoate mother liquor, comprising the following steps: (1) continuously pumping sodium benzoate mother liquor into a high-temperature acidification kettle, adding hydrochloric acid dropwise, controlling the pH value to 1~2, and the reaction temperature to 97~100℃; (2) overflowing the acidification mother liquor into a cooling kettle #1 to reduce the temperature to 70~80℃; (3) overflowing part of the acidification mother liquor in the cooling kettle #1 into a dispersion kettle as a dispersion mother liquor, and overflowing part of the acidification mother liquor into a cooling kettle #2; reducing the temperature to below 40℃; adding crude benzoic acid to the dispersion kettle to increase the concentration of benzoic acid, and then returning it to the high-temperature acidification kettle; (4) centrifuging the acidification mother liquor in the cooling kettle #2 into a centrifuge and then discharging it into a crude benzoic acid buffer tank, part of the crude benzoic acid into the dispersion kettle, and the remaining crude benzoic acid dried and discharged to obtain the finished benzoic acid. This invention utilizes continuous high-temperature acidification of sodium benzoate mother liquor and increases the concentration of benzoic acid during high-temperature acidification, resulting in high-quality benzoic acid with high production efficiency.

The application discloses a propiconazole-azoxystrobin- clothianidin seed treatment suspending agent and a preparation method and application thereof, and belongs to the technical field of pesticide preparations; the agent takes propiconazole, azoxystrobin and clothianidin as active ingredients, takes beta-nicotinamide mononucleotide (NMN) as a functional antimicrobial component, and is supplemented with styrene-maleic anhydride copolymer sodium salt, fatty alcohol polyoxyethylene ether, xanthan gum, magnesium aluminum silicate, glycerol, polydimethylsiloxane defoaming agent, sodium benzoate, polyvinyl alcohol and deionized water to prepare the agent. The application is suitable for seed coating treatment for preventing and treating rice false smut, thrips and wheat sharp eyespot and aphids; NMN promotes the accumulation of phenolic compounds in the phloem of plants, and cooperates with clothianidin on the same insecticidal target, thereby significantly improving the prevention and treatment effect on aphids and thrips; the degradation product of NMN promotes the proliferation of beneficial microorganisms in the rhizosphere, improves soil enzyme activity, and realizes soil micro-ecological restoration.

This invention belongs to the field of functional food processing technology and discloses an oral liquid of garlic extract for enhancing immunity and its preparation method. The raw materials, by mass parts, include 25-30 parts garlic extract, 25-30 parts American ginseng extract, 4-6 parts curcumin, 0.02 parts hydroxypropyl-β-cyclodextrin, 8-10 parts β-glucan, 3-5 parts soybean oligosaccharides, 0.06-0.12 parts erythritol, and 0.01-0.05 parts sodium benzoate. This invention uses the synergistic combination of garlic extract, American ginseng extract, and curcumin as its core, supplemented by soybean oligosaccharides and β-glucan, to achieve immune enhancement through the synergistic effect of multiple components and mechanisms. This solves the problems of poor immune-enhancing effects and limited applicability in existing technologies, providing a new solution for developing functional foods with excellent taste and efficacy.

The application discloses a precision filter for chemical production and processing and a processing method thereof, and relates to the technical field of sodium benzoate preparation, which comprises a fixed base, a partition disc and a cleaning assembly. The top of the fixed base is welded with a shell, the outer surface of the shell is provided with a visual window, and the left side of the shell is connected with a water inlet pipe. The precision filter for chemical production and processing and the processing method thereof have the following advantages. The preparation liquid in the shell is filtered by the outer filter shell first, and then filtered by the inner filter pipe. In addition, the top cover is moved upwards to drive the pull rod and the limiting cover to move upwards, so that the plug is separated from the plug hole, and the connecting seat is separated from the pipe. The improved precision filter is used in cooperation with the outer filter shell and the inner filter pipe, so that the double filtering purpose is achieved, the filtering effect is improved, the disassembly and assembly process of the inner filter pipe is simplified, and the regular replacement of the inner filter pipe is facilitated.

This invention relates to the technical field of pet food, and more particularly to a functional pet nutritional supplement and pet nutritional food and its preparation method, comprising 10%–15% beef liver chunks, 20%–30% chicken breast strips, 35%–45% a mixture of cooked rice flour / corn / rice, 0.3%–1.0% chicken oil, 0.3%–1.0% fish oil, 2%–5% pumpkin puree, 1%–3% chopped carrots, 3%–7% egg yolk powder, 3%–7% a mixture of traditional Chinese medicine extracts, 0.5%–1.5% amino acid and mineral premix, 0.5%–1.5% vitamin and antioxidant premix, 0.0001%–0.001% probiotic mixture, 0.05%–0.3% potassium sorbate, 0.05%–0.3% sodium benzoate, 0.05%–0.2% citric acid, and BHA / BHT. 0.05%–0.2%, with the remainder being chicken broth. Beef liver is rich in heme iron, which, combined with lecithin in egg yolk powder, promotes iron absorption. Traditional Chinese medicine extracts significantly reduce IL-6, IgG, and IgM levels, regulating hyperimmune states. Meanwhile, ingredients such as astragalus enhance normal immunity, achieving a balance of "strengthening the body's resistance and eliminating pathogens."

Quick dilution and excellent rheology can be achieved with a hydratable concentrated surfactant composition comprising: a) from 30 to 50 wt % of anionic surfactant selected from sodium laureth ether sulphate, sodium pareth ether sulphate and mixtures thereof, by weight based on the total weight of the composition; b) from 4 to 12 wt %, of a co-surfactant, which is selected from a betaine, cocamide monoethanolamide and mixtures thereof, based on the total weight of the hydratable concentrated surfactant composition; c) from 0.2 to 3 wt % of a phase modifier, by weight of the total composition, which is sodium benzoate; d) from 2 to 7 wt % of a viscosity modifier, by weight of the total composition, which is an inorganic electrolyte; e) from 10 to 60% by weight water by weight of the total composition; wherein the surfactants are in a lamellar phase; and wherein the hydratable concentrated surfactant composition has a pH of from 3 to 6; and wherein the hydratable concentrated surfactant composition has a viscosity of from 8,000 to 200,000 mPas−1 (cps), when measured at 30° C. on a Brookfield DV2T using a Spindle RV-05 at 20 rpm for 60 seconds on a Helipath stand; and wherein the weight ratio of a) the anionic surfactant to b) the co-surfactant is from 3:1 to 10:1, wherein the weight ratio of sodium benzoate (c) to total surfactant (a)+(b) is 1:5-1:75, preferably from 1:10-1:65, more preferably 1:15-1:50.

The application discloses a triglyceride and cholesterol mixed quality control liquid and a preparation method and application thereof, relates to the technical field of in vitro diagnostic reagents, and solves the problem of poor compatibility of components of the triglyceride and cholesterol mixed quality control liquid. The triglyceride and cholesterol mixed quality control liquid comprises a mother liquor and a diluent, the mother liquor comprises the following components in percentage by mass: glyceryl trioleate 7-10%, Triton X-100 85-90% and cholesterol 3-5%; and the diluent comprises the following components in percentage by mass: isopropyl alcohol 50-51%, sodium phosphate buffer 39-40%, sodium cholate 9.50-9.75% and sodium benzoate 0.25-0.50%. The mixed quality control liquid is high in stability and accuracy, can detect triglyceride and cholesterol at the same time, and the detection results do not interfere with each other.

A pharmaceutical composition containing a high concentration of opiranserin is disclosed. More specifically, disclosed is a pharmaceutical composition comprising: opiranserin or a pharmaceutically acceptable salt thereof; a carrier selected from sodium benzoate, trisodium citrate, sodium salicylate and mixtures thereof; and a solvent for injection.

The application discloses a Duyuwei water extract gel preparation for improving oral mucosa adhesion, a preparation method and application thereof, and belongs to the field of traditional Chinese medicine gel preparations. The gel preparation comprises, in percentage by mass, 0.2-0.6% of Duyuwei water extract, 0.5-1.5% of carbomer 940, 0.5-3% of triethanolamine, 5-15% of glycerol, 0.3-0.5% of sodium benzoate, and the balance of purified water. The gel product is prepared by using a 15 DEG C low-temperature one-way grinding process. The ordered gel network structure is constructed by using the low-temperature one-way grinding process, and the ratio of the Duyuwei water extract and the gel matrix is optimized, so that the oral retention time of the preparation under the condition of a simulated saliva flow rate is more than 4 hours, and the preparation is significantly better than existing products. In an oral ulcer model of SD rats, the ulcer area of the gel preparation of the application is reduced by about 70% in 48 hours, and the treatment effect is better than that of the positive control drug watermelon cream spray.

The application discloses a preparation method of stem cell exosome gel and relates to the technical field of stem cell exosome gel preparation.The hyaluronic acid solution is added into hydroxyethyl cellulose colloid, mixed uniformly, calcium gluconate is added, and stirring is conducted until complete dissolution; a mixed solution is added, deionized water is added for constant volume, and stirring is conducted; defoaming is conducted to obtain the stem cell exosome gel; the hydroxyethyl cellulose colloid is blended with the hyaluronic acid solution, hydrogen bond networks formed by hydroxyethyl cellulose and polyvinylpyrrolidone are interpenetrated with sodium hyaluronate macromolecules, ion crosslinking occurs between sodium alginate in the hyaluronic acid solution and divalent calcium ions of the added calcium gluconate, crosslinking density is further improved, and stem cell exosomes are protected in the crosslinking network; sodium chloride, potassium chloride and disodium hydrogen phosphate are added to play the pH adjusting and buffering roles, sodium benzoate is used as a preservative, and the stem cell exosome gel is obtained.

This invention relates to the field of nanomaterial dispersion technology, and discloses a nano-hydroxyapatite suspension and its preparation method, comprising nano-hydroxyapatite, thixotropic nanoparticles, N,O-carboxymethyl chitosan, one or two of glycerol and D-sorbitol, poloxamer 407, trisodium citrate dihydrate, xylitol, sodium benzoate, and deionized water. The preparation method includes preparing an A-phase dispersion containing thixotropic nanoparticles and a B-phase suspension containing nano-hydroxyapatite. The B-phase suspension is dropwise added to the A-phase dispersion to react and obtain a three-dimensional composite framework. An auxiliary phase is added for low-shear mixing and vacuum degassing and degassing. This invention constructs a three-dimensional network framework by crosslinking thixotropic nanoparticles with N,O-carboxymethyl chitosan, which hinders the aggregation and gravitational sedimentation of nano-hydroxyapatite particles, giving the system thixotropic properties that are stable at rest and flow under stress, achieving framework dissociation and particle release under slightly acidic conditions.

The invention discloses a non-steroidal anti-inflammatory drug suspension drop and a preparation method thereof. The suspension drop comprises ibuprofen, xanthan gum, pregelatinized starch, glycerin, sucrose, anhydrous citric acid, sodium benzoate, polysorbate 80, strawberry essence and water. The preparation method comprises the following steps: 1) sieving ibuprofen with a 20-mesh sieve for later use; the preparation method comprises the following steps: adding polysorbate 80 into purified water, stirring and dissolving, adding ibuprofen according to the prescription amount, and stirring and dispersing uniformly; 2) adding 100 DEG C purified water and glycerol into the liquid preparation tank, and stirring and mixing; (3) starting a rotor pump and a homogenizing pump to form internal circulation in the liquid preparation tank, opening a ball valve of a charging hopper, adding xanthan gum and pregelatinized starch, closing the valve of the hopper, and homogenizing and stirring until the step (6) is finished; (4) weighing cane sugar, adding the cane sugar into boiling water at 100 DEG C, and stirring for dissolving; 5) continuously stirring in the liquid preparation tank, adding a sucrose solution, washing the container with water, and adding into the liquid preparation tank; 6) adding anhydrous citric acid and sodium benzoate into the liquid preparation tank, and stirring for more than 1 hour after the steps 3-6 are finished; 7) closing the homogenizing pump, adding an ibuprofen dispersion liquid into the liquid preparation tank, washing the dispersion container with water for several times, and stirring; (8) adding essence into the liquid preparation tank, and stirring; 9) adding the total amount of purified water, and stirring; and 10) filling. The drops with good dispersibility and good stability are obtained by screening the prescription and optimizing the preparation process.

This invention relates to a medical oral cavity-preventing gel for preventing tooth decay and promoting tooth health, and its preparation method, belonging to the field of oral care technology. The gel components include: sodium fluoride, zinc citrate, sodium lauryl sulfate-modified silica, sodium lauryl sulfate, sodium benzoate, sorbitol, peppermint flavor, glycerin, sodium carboxymethyl cellulose, xanthan gum, and deionized water. The preparation method includes steps such as preparing activated silica, mixing the components, heating and holding at a constant temperature, and adding excipients after cooling. This invention enhances the adsorption capacity of silica by coating it with sodium lauryl sulfate, synergistically achieving multi-target anti-caries effects through the remineralization of sodium fluoride and the antibacterial properties of zinc citrate. Furthermore, a staged temperature-controlled process optimizes component stability, significantly prolonging the fluoride retention time on the tooth surface and improving the anti-caries effect.

A process for preparing an aqueous ready to use oral liquid suspension of zonisamide or pharmaceutically acceptable salts thereof, wherein the process comprises: (a) adding purified water into a vessel; (b) adding a mixture of microcrystalline cellulose and carboxymethylcellulose sodium with stirring; (c) adding xanthan gum with stirring; (d) adding citric acid and sodium citrate with stirring; (e) adding sodium benzoate with stirring; (f) adding sucralose with stirring; (g) adding zonisamide or pharmaceutically acceptable salt thereof, with stirring at 20-30 Hz for 10-60 minutes; (h) stirring the suspension at 30-40 Hz for 45-55 minutes; (i) stirring the suspension at 45-55 Hz for 10-15 minutes; (j) adding strawberry flavouring with stirring; (k) adding purified water to make up the final volume; and (l) stirring the suspension, is provided. The process may further comprise (m) transferring to a filling vessel; and (n) packing the final suspension into a container. A sodium vapour lamp may be used before step (g). An aqueous ready to use oral liquid composition prepared by the process is provided. [Fig: None]

This invention relates to a whitening and stain-removing toothpaste that effectively reduces attached pigments and its preparation method. The toothpaste comprises sorbitol, hydrated silica, polyethylene glycol-400, glycerin, niacinamide, sodium lauryl sulfate, sodium hexametaphosphate, sodium benzoate, cellulose gum, sodium phytate, flavoring, olaflu, xanthan gum, sodium saccharin, menthol, sodium bicarbonate, and water. This invention utilizes the temperature-sensitive thickening properties of cellulose gum and xanthan gum, combined with a staged, precise temperature-controlled feeding process. Sodium hexametaphosphate and sodium phytate are pre-dissolved in a high-temperature stage; xanthan gum and cellulose gum are added in a medium-temperature stage to form a colloidal thickening network; and finally, niacinamide and olaflu are added in a low-temperature stage, along with a post-curing treatment. This effectively solves the antagonistic problem between niacinamide, olaflu, sodium hexametaphosphate, and sodium phytate, achieving stable coexistence and synergistic effects of the various active ingredients. The resulting toothpaste effectively reduces pigment adhesion to the tooth surface, exhibiting good whitening and stain-removing effects and excellent stability during use.

The application discloses a preparation and use method of a NbTi superconducting wire low-temperature inlay welding flux, and relates to the technical field of superconducting wires, and comprises the following steps: heating deionized water to 50-60 DEG C; respectively water-bath heating short-chain alkyl glycoside and polyethylene glycol in the water at 50-60 DEG C for 30-60 seconds; stirring the obtained hot deionized water under the condition of 100-150 r / min, and adding the obtained short-chain alkyl glycoside and polyethylene glycol; and adding xanthan gum and sodium benzoate into the obtained solution in sequence to obtain the flux. The application uses short-chain alkyl glycoside as the main component of the flux; the addition of a thickening agent realizes the physical covering of the copper material surface and prevents the secondary oxidation of the copper material, so that the completely environment-friendly flux meeting the enterprise sewage discharge standard is suitable for the low-temperature inlay welding WIC conventional product with the largest base number, and the obtained WIC product has very low surface residue.

The application discloses a preparation and use method of a high-temperature embedding soldering flux for superconducting wires, and relates to the technical field of superconducting wires, and comprises the following steps: stirring and heating a mixed solution of deionized water and anhydrous ethanol; heating long-chain alkyl glycoside and polyethylene glycol in a water bath; adding the obtained mixed solution of deionized water and anhydrous ethanol into the heated long-chain alkyl glycoside and polyethylene glycol; and adding sodium benzoate into the solution to obtain the flux. The application uses long-chain alkyl glycoside as the main component of the flux, and solves the problem of poor high-temperature resistance of the flux. The special molecular structure of the long-chain alkyl glycoside has the characteristic of adjustable flexible alkyl chain length, and the longer the alkyl chain length, the better the thermal stability of the alkyl glycoside, so that the high-temperature embedding temperature requirement in different stages can be met. The long-chain alkyl glycoside has a micelle structure and has large viscosity, and can be used as a thickening agent to replace organic acid for physical coverage of the surface of copper materials to remove oxidation, and the long-chain alkyl glycoside is decomposed at high temperature, so that the long-chain alkyl glycoside is completely decomposed and has little residue during welding.

This invention discloses a zinc-orotic acid complex crystal material, its preparation method, and its fluorescence recognition application. The chemical formula of the complex is [Zn2(HOA)2(1,3-dpp)(H2O)2]. n It possesses a two-dimensional, double-interlaced network structure. Its preparation method involves preparing solutions of orotic acid, potassium hydroxide, and zinc acetate, mixing them with 1,3-bis(4-pyridyl)propane and water, and then subjecting the mixture to ultrasonic and heat treatment to obtain crystals. This material exhibits characteristic fluorescence emission at 370 nm, the intensity of which changes significantly upon contact with specific substances. This property can be utilized as a fluorescent sensing material to identify solvents such as methanol, DMSO, and water, and to specifically detect Fe. 3+ Ions that can identify antibiotics such as dimethylaminetetracycline hydrochloride, nitrofurazone, and nitrofurantoin; drugs such as curcumin; and food additives such as potassium sorbate and sodium benzoate.

This invention discloses a bactericidal and deodorizing Polygonatum toothpaste and its manufacturing process, belonging to the field of oral care products technology. By weight, the total mass of 100 parts comprises the following raw materials: 18-22 parts hydrated silica, 25-30 parts sorbitol, 8-12 parts glycerin, 1.5-2.5 parts sodium lauroyl sarcosinate, 0.3-0.6 parts xanthan gum, 0.4-0.7 parts sodium carboxymethyl cellulose, 0.1-0.15 parts sodium saccharin, 0.1-0.2 parts sodium benzoate, 2.5-4.0 parts composite modified Polygonatum extract, 3.0-5.0 parts supported silica, 0.1-0.3 parts dipotassium glycyrrhizate, 0.05-0.15 parts vitamin E acetate, and the balance being deionized water. This invention significantly improves the antibacterial activity and bioavailability of Polygonatum through multi-stage modification technology, achieving long-term controlled release of active ingredients. The two modified components work synergistically to target 12 major odor-producing bacteria in the oral cavity. With an antibacterial rate of ≥90% within hours, fresh breath lasting ≥13 hours, improvement rate of gingival bleeding ≥83%, and enamel wear rate ≤0.01%, it is gentle and non-irritating, suitable for all types of people.

An antimicrobial solution from white fingerroot-derived silver nanoparticles for medical and general use comprises deionized water, silver nanoparticles extracted from white fingerroot rhizomes, polyvinylpyrrolidone K-30, polyethylene glycol 200, sodium benzoate, glycerin, sodium propionate, HCO40 (Cremophor rh-40), 30% Sodium hydroxide and sodium hyaluronate. The invention applies Thai herbal innovation by chemically synthesizing silver nanoparticles from white fingerroot, producing particles with a size of 20–40 nanometers. These nanoparticles are incorporated into a formulation by mixing them into a solution containing the aforementioned ingredients, resulting in a clear liquid. The concentration is adjusted appropriately for use in cleaning medical instruments and general surfaces. The composition exhibits broad-spectrum antimicrobial activity, capable of eliminating a wide range of microorganisms, including viruses, fungi, common skin bacteria, multidrug-resistant hospital bacteria, anaerobic bacteria, and bacteria found in livestock environments.

The application discloses a traditional Chinese medicine composition for tonifying kidney and retaining essence and a preparation method thereof, and relates to the technical field of traditional Chinese medicine. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 50-150 parts of Cistanche, 50-100 parts of Morindae Radicis, 75-150 parts of Herba Epimedii, 50-150 parts of Radix Rehmanniae Preparatae, 20-50 parts of Sangpaojia, 20-75 parts of Haipaojia, 30-75 parts of Fructus Schisandrae, 25-75 parts of Fructus Psoraleae, 50-75 parts of Radix Anemarrhenae, 25-75 parts of Solpugid, 50-100 parts of Fructus Corni, 10-50 parts of Anemarrhena, 20-75 parts of Phellodendri Amurensis, 20-75 parts of Radix Pseudostellariae, and the preparation method comprises the following steps: soaking and decocting all the raw materials after compounding, filtering and combining the filtrates, reducing and concentrating the filtrates, adding ethanol and standing, taking the supernatant, recovering the ethanol, obtaining refined medicinal liquid, adding sucrose, sodium benzoate and nipagin ethyl ester into the refined medicinal liquid, adding purified water, stirring uniformly, filling, and obtaining the product. The application has the effects of tonifying kidney and retaining essence, and is mainly used for treating impotence, premature ejaculation, dream emission or emission caused by kidney yang deficiency, and reducing sexual function and frigidity caused by deficiency of yang qi of the middle-aged and the elderly.

This invention belongs to the field of pharmaceutical technology, specifically a ferric protein succinate oral solution and its preparation method. The ferric protein succinate oral solution, by weight percentage of the total prescription volume, comprises: 5.33% ferric protein succinate raw material, 5-20% sweetener, 5-20% solvent, 0.5-2% preservative, 0.1-0.5% sweetener, 0.5-2% flavoring agent, and purified water to a final volume of 15 ml; wherein the preservative is benzoic acid or sodium benzoate. This invention, through screening the prescription and process parameters, can increase the dissolution rate of the ferric protein succinate raw material, reduce the time ferric protein succinate spends at high temperatures, reduce the adverse effects of high temperatures on ferric protein succinate, and simultaneously reduce the solution viscosity, making it easier to fill and more suitable for commercial production. The dispensing process is efficient and simple to operate.

The present application relates to the technical field of corrosion inhibitor, in particular to an oil-soluble corrosion inhibitor for preventing hydrogen sulfide corrosion and a preparation method thereof; the corrosion inhibitor comprises the following components in parts by weight: solvent 80-100 parts, main agent 30-45 parts, barium petroleum sulfonate 5-15 parts, sodium benzoate 10-15 parts, and oxygen scavenger 3-8 parts; the main agent comprises the following components in parts by weight: stearic acid 4-6 parts, hydroxyethyl ethylenediamine 5-8 parts, diethylamine phosphate 6-9 parts, methanol 5-7 parts, and toluene 10-15 parts; the corrosion inhibitor of the present application can form a protective film on the surface of metal by the cooperation of the main agent and other additives, and the protective film has a compact and stable structure, which can effectively prevent the surface of metal from being corroded by hydrogen sulfide; and the above-mentioned corrosion inhibitor still has good corrosion inhibition performance under high temperature conditions, and can effectively protect oilfield equipment.