186 results about "Oleanolate" patented technology

A pharmaceutical composition contains cyclosporine as the active ingredient. More specifically, the composition is an orally administered pharmaceutical formulation in the form of a spontaneous emulsion comprising cyclosporine, ethanol ethyl oleate and polyoxyethylene glycerol trioleate. A method for preparing an orally administered pharmaceutical composition involves first dissolving cyclosporine in ethanol. Polyoxyethylene glycerol trioleate and an oil component are then added, mixed and diluted in an aqueous media to form a spontaneous emulsion.

Catalytic compositions useful for carrying out the metathesis of unsaturated fatty bodies, in particular unsaturated fatty bodies comprising oleic acid or oleic acid esters, contain a ruthenium-based catalyst which can be isolated and which has the formula (I) below:

The invention relates to a lubricant for drilling fluid, which essentially solves the problems of the prior art that the lubricant for drilling fluid has poor lubricating property in the high-density drilling fluid. The lubricant for drilling fluid comprises the following components calculating by weight percentage: a) 1 to 35 percent of long-chain organic acid oiliness agent; b) 1 to 35 percent of synthetic ester oiliness agent; c) 0.1 to 8 percent of emulsifier; and d) 25 to 90 percent of base oil; in which the synthetic ester oiliness agent is selected from at least one of isooctyl stearate, butyl isostearate, trimethylolpropane trioleate, trimethylolpropane palm kernel ester, trimethylolpropane ethylhexoate, neopentyl glycol oleate, methyl laurate or pentaerythritol caproate, therefore, the technical proposal solves the problem preferably, and can be used in the industrial production of lubricant for drilling fluid.

A device-cooling base oil includes 30 mass % of at least one of an oleyl ester (e.g., oleate and oleyl alcohol ester) and oleyl ether. The oleyl ester and the oleyl ether each have 23 or more of a total number of a terminal methyl group, a methylene group and an ether group in a main chain and 1 or less of a total number of a methyl branch and an ethyl branch. The base oil has a kinematic viscosity at 40 degrees C. in a range of 4 mm2 / s to 30 mm2 / s. A device-cooling oil provided by blending the base oil is excellent in electrical insulation properties and thermal conductivity, and thus is favorably usable for cooling a motor, a battery, an inverter, an engine, an electric cell or the like in an electric vehicle, a hybrid vehicle or the like.

The invention relates to an additive composition for producing emulsified oil, a preparation method of the additive composition and an application of the additive composition. The additive composition is prepared by the following components in parts by weight: 0-15 parts of base oil, 0-10 parts of grease, 5-10 parts of higher aliphatic acid, 5-15 parts of alkylol amine, 15-35 parts of sodium alkane sulfoate, 10-25 parts of dehydration sorbitol single oleate, 2-15 parts of fatty alcohol-polyoxyethylene ether, 1-10 parts of coconut oil fatty acid diethanolamide, 1-10 parts of polyoxyethylene dehydration sorbitol single oleate, 0-0.6 parts of copper alloy corrosion inhibitor, 1-7 parts of antiseptic bacteriacide and 1-8 parts of water. The additive composition is good in stability, easy to keep and transport, strong in emulsifying capacity and high in emulsifying efficiency. Prepared emulsified oil is good in hard water resistance and good in foam restraining performance.

The invention provides a pure oil lipstick product with a repairing function and a preparation method thereof. The pure oil lipstick product with the repairing function contains active ingredients including eramide, sodium hyaluronate, phytosterol oleate and stearyl glycyrrhetinate; specifically, the pure oil lipstick product is prepared from, by weight, 30-35% of solid oil and fat, 30-40% of natural liquid oil and fat, 1.66-9.5% of other active ingredients, 0.1-5% of an antioxidant and synthetic liquid oil and fat. The pure oil lipstick product is mild, has high safety and good stability, caneffectively nurse the lips, prevent the lips from drying and cracking and promote rapid healing of the dry and cracked lip part and has a moisturizing and nourishing effect. The invention further provides the preparation method of the pure oil lipstick product. The method creatively solves the problem that ceramide is easily precipitated in skin care product systems, is easy and convenient to operate and easy in popularization and production and has a good application prospect.

The invention discloses a concealer and a preparation method thereof. The concealer comprises glycerol, EDTA disodium, xanthan gum, magnesium sulfate, an emollient, an emulsifier, a stabilizer, a coloring agent, disteardimonium hectorite, a preservative and water, wherein the emollient is selected from cyclopentasiloxane, cyclohexanol siloxane, mineral oil, isononyl Isononanoate, polydimethylsiloxane, butylene glycol dicaprylate / dicaprate, and polyglyceryl-3 diisostearate; the emulsifier is selected from cetyl PEG / PPG-10 / 1 polydimethylsiloxane, PEG / PPG-15 / 15 polydimethylsiloxane, and sorbitan sesquioleate; the stabilizer is selected from lecithin, polyhydroxy stearic acid, isopropyl myristate, ethylhexyl palmitate, isostearic acid, and polyglyceryl-3 polyricinoleate; the coloring agent is selected from titanium dioxide, triethoxycaprylylsilane, CI77492, CI77491, and CI77499. The concealer has an effect of reducing the possibility of grease shining.

The invention relates to use of trimethylolpropane oleate, a trimethylolpropane oleate containing the composition and use of the trimethylolpropane oleate containing the composition. By adding the trimethylolpropane oleate into lubricating oil, not only can excellent antifriction and abrasion resistance be obtained, but also the rust resistance of an oil product can be improved.

The invention relates to a gemini amphiphilic surfactant as well as a preparation method and application thereof. The preparation method comprises the following steps of: adding n-octadecylamine and 3-chloro-2-hydroxy propyl sulfonic acid sodium of which the amount ratio is 1:(1.2-1.3) into a solvent containing a phase transfer catalyst to perform heating and refluxing, and standing for a night; adding a pH regulator into a reaction generated solution, adjusting the pH value of the system to be 8-9, and adding 1,2-dichlorethane, wherein the added amount of the 1,2-dichlorethane is metered according to the amount ratio of the n-octadecylamine to the 1,2-dichlorethane of 2:1 to 5:2; heating, refluxing, and standing for a night; and removing the solvent from the reaction generated solution through reduced pressure distillation to obtain the gemini amphiphilic surfactant. The gemini amphiphilic surfactant is used by compounding with sec-alkyl sodium sulphonate and sorbitol anhydride single oleate, the mineralization degree of the surfactant at 60 DEG C reaches 50000mg / L, and the interfacial tension with crude oil can reach 10<-3>mN / m, so that the crude oil recovery ratio can be effectively improved.

The invention relates to a radix lithospermi ointment containing phytosterol and a preparation method thereof. The radix lithospermi ointment comprises the following raw materials, by weight: 30 to 75parts of olive fruit oil, 20 to 30 parts of low-erucic-acid rapeseed oil, 5 to 15 parts of beewax, 1 to 10 parts of hydrogenated coco-glycerides, 1 to 10 parts of paraffin, 1 to 10 parts of sweet almond seed oil, 1 to 10 parts of simmondsia chinensis seed oil, 0.01 to 1.0 part of a radix lithospermi root extract, 0.01 to 1.0 part of Chinese angelica root extract, 0.01 to 1.0 part of the extract of the root of fangfeng, 0.01 to 1.0 part of an adhesive rehmannia root extract, 0.01 to 1.0 part of 2-[3-(4-hydroxyphenyl)propanoylamino]benzoic acid, 0.1 to 1.0 part of phytosterol oleate, 0.1 to 1.0part of behenin, 0.1 to 1.0 part of polyglycerol-6 octastearate, 0.1 to 1.0 part of tocopherol (vitamin E), 0.1 to 1.0 part of lavender oil, and 0.1 to 1.0 part of peppermint leaf oil. Therefore, theradix lithospermi ointment is prepared by combining the olive fruit oil and the low-erucic-acid rapeseed oil as main grease components with the Chinese herbal medicine components such as the radix lithospermi root extract and the 2-[3-(4-hydroxyphenyl)propanoylamino]benzoic acid and phytosteryl oleate and is capable of soothing and moisturizing the uncomfortable skin and improving the itching relieving effect.

The invention provides a method for preparing high purity polysorbate 80 through esterification of oleic acid and a mixture of respectively etherified starting materials. The method comprises the steps of: subjecting high purity sorbitol and ethylene oxide to etherification so as to prepare sorbitol polyethenoxy ether (II); etherifying sorbitan to prepare sorbitan polyethenoxy ether (III); etherifying isosorbide for preparing isosorbide polyethenoxy ether (IV); mixing sorbitol polyethenoxy ether II, sorbitan polyethenoxy ether III, and isosorbide polyethenoxy ether IV, so as to make the obtained mixed polyether (V) with a hydroxyl value of 150mgKOH / g-200mgKOH / g; conducting an esterification reaction to the mixed polyether (V) and high purity oleic acid that are in a mass ratio of 2.3-3.4:1; carrying out post-treatment to the product, thus obtaining high purity polysorbate 80 (I). The polysorbate 80 prepared in the invention has high purity, more uniform ether chain in the molecular structure, substantially reduced free polyether and polyol ester content, and improved application performance, and it can also be used for injection preparations.

The invention discloses anti-blue-light multi-effect repair eye cream and a preparation method thereof. The anti-blue-light multi-effect repair eye cream is prepared from the following ingredients: isohexadecane, isononyl isononanoate, crambe abyssinica seed oil, cetostearyl alcohol, phytosterol oleate, tocopherol acetate, propyl hydroxybenzoate, phenoxyethanol, triethanolamine, brown algae extract, theta-glucan, menthe piperita leaf extract, chrysanthellum indicum extract, purslane extract, radix sophorae extract, geranium pelargonium extract, glycerin, sodium benzoate, bisabolol, farnesol, butanediol, glycerin polyether-26, bio-saccharide gum-1, 0.2% of hydrolysis sclerotium gum, lecithin, allantoin and glucosylrutin. The natural extract is added for compound use, and the compounding ratio is limited, rich nourishing ingredients are contained, blue light can be resisted, moisture is replenished, the skin around the eyes is moisturized, the delicate skin is repaired, dryness and dehydration phenomena are smoothed, tightness, elasticity and moistening are achieved, fine lines are reduced, skin aging is delayed, and the eyes are beautiful.

The invention relates a compound adjuvant, which comprises mixed oil (white oil and palm oil) and mixed surfactant (polyoxyethylene oleate, polyoxyethylene alkyl ether and mannitol oleate), specifically (by weight percentage) white oil 70-90, palm oil 1-15, polyoxyethylene oleate 1-10, polyoxyethylene alkyl ether 1-10, and mannitol oleate 1-10. The compound adjuvant is mixed with antigen aqueous solution, and emulsified under stirring to obtain W / O / W type vaccine. The vaccine has the advantages of good stability, little side effects, and high practical application value.

The invention provides a method of producing trimethylolpropane oleate with a single kettle. The method is characterized in that reactants are oleic acid and trimethylol propane, a catalyst is p-methylbenzene sulfonic acid; and the method comprises steps: adding the oleic acid and the trimethylol propane with a ratio of 3-4 : 1 in accordance with amount of substance into the reaction vessel, adding the p-methylbenzene sulfonic acid with an amount accounting for 0.2-0.6 % of a total mass fraction of the reactants, heating with stirring to 160-200 DEG C, vacuumizing to 0.05-0.15 MPa, reacting for 4 hours, adding active carbon with an amount accounting for 0.5-1.5 % of a total mass of the reactants for decoloration, continuously reacting for 7-9 hours, introducing water vapor, performing stream stripping to remove residual acids to reduce an acid value to be less than 0.05 g KOH / g, cooling to below 50 DEG C, and filtering the active carbon and the solid catalyst to obtain the trimethylolpropane oleate. The method solves problems that liquid catalysts are difficult to separate, poor in product quality and deep in color, have many side reactions, and pollute the environment.

The invention provides a traditional Chinese medicine-based whitening freckle-removing emulsion mask of a W / O / W system. The traditional Chinese medicine-based whitening freckle-removing emulsion mask of the W / O / W system comprises a water phase A including hyaluronic acid, carbomer 940 and deionized water, an oil phase B including polyglycerol-bisesquioleate, cetanol, isooctyl palmitate and phytosterol isostearate, a phase C including triethanolamine, a D phase including LH, 1,3-butanediol and deionized water, and a phase E including phenoxyethanol, collagen polypeptide and a traditional Chinese medicine extract concentrated liquid; the traditional Chinese medicine extract concentrated liquid is a mixed liquid of extracts of bletilla, radix ampelopsis, red flower, folium ginkgo, angelica root, licorice and scutellaria root; the preparation method of the traditional Chinese medicine-based whitening freckle-removing emulsion mask of the W / O / W system comprises the steps of adding the mixed phases A, B and C to the previously dispersed phase D, homogenizing the mixture at a low rotating speed, adding the phase E to the mixture, and after degassing in vacuum, pouring the mixture in a mask cloth bag, thereby obtaining the traditional Chinese medicine-based whitening freckle-removing emulsion mask of the W / O / W system. Due to the adopted W / O / W system, the active ingredients of the traditional Chinese medicine extracts can be protected against damage and the effects of the active ingredients can be well developed; and the mask is capable of comprehensively conditioning and whitening skin, improving the functions of skin cells, and relieving the skin problems caused by hyperpigmentation.

The utility model relates to a composite functional additive of emulsified oil for a hydraulic support and a preparation method of the composite functional additive, and belongs to the technical fieldof hydraulic transmission media for coal mining equipment. Water, castor oil, potassium hydroxide, oleic acid, triethanolamine, ethylene glycol, triethylene glycol monobutyl ether, ether carboxylic acid, sorbitan oleate, benzotriazole and the like are used as raw materials and reacted at certain temperature under normal pressure to obtain the composite functional additive. In addition, the composite functional additive has corrosion inhibition property, lubricating property, sealing material compatibility, high and low temperature resistance, hard water resistance, low temperature reduction resistance and good solubility in the base oil 70SN.

A stable carbon deposit-removing gasoline additive is prepared from the following raw materials in parts by weight: 8-14 parts of polyoxyethylene sorbitan monooleate, 3-9 parts of ethyl oleate, 5-10 parts of isopropanol, 4-9 parts of fatty alcohol polyoxyethylene ether, 4-10 parts of cyclohexane acid glycerol ester, 1-5 parts of oleic acid, 3-9 parts of vegetable oil, 1-6 parts of isobutanol, 2-6 parts of naphtha, 1-6 parts of Tween 80, 3-10 parts of trichloroethane, 6-10 parts of m-methyl benzoic acid, 1-5 parts of trichloroacetic acid, 3-5 parts of ethanol, 6-11 parts of a camphor extracting solution and 5-10 parts of glycerol monostearate. The stable carbon deposit-removing gasoline additive has the benefits as follows: the stable carbon deposit-removing gasoline additive can reduce emission and reduce environment pollution, has a very good cleaning and carbon-removing effect, and can protect an engine well.

The invention discloses finishing liquor for silk towel cloth. The finishing liquor for silk towel cloth is prepared from the following components in parts by weight: 3.4 parts of coconut oil fatty acyl diethanol amine, 1.1 parts of ethyl formate, 2.3 parts of octadecyl trimethyl ammonium chloride, 1.8 parts of triethanolamine monooleate, 0.6 part of sodium polyacrylate and 1.7 parts of polyoxyethylene stearate. The finishing liquor for silk towel cloth disclosed by the invention is good in hydrophilicity and permeability and can be used for enhancing the bacterial resistance, the tensile resistance and the antifouling property of the towel cloth.

The invention discloses a special demoulding agent for concrete and a preparation method thereof. The demoulding agent is prepared from the following raw materials in percentage by weight: 20-40% of oleate, 2-10% of silane, 1-12% of liquid paraffin, 5-16% of emulsifying agents, 0.01-0.5% of initiators, 0.04-0.1% of pH regulators, 0.05-0.1% of defoaming agents and the balance of water. The preparation method of the special demoulding agent for the concrete comprises the following steps: forming a pre-emulsion by using oily components including the oleate, the silane and the liquid paraffin and the emulsifying agents under 3000rpm, hydrolyzing and polycondensing part of the silane to form cross-linking bonds, and constraining hydrophobic molecules such as active oleic acid and the like by using C=C double-bond addition reaction under the condition of heating at 60-80 DEG C to form an environment-friendly demoulding agent emulsion which can be stably stored for 24 months or longer. The special demoulding agent for the concrete is capable of effectively improving the appearance of the concrete and enabling the surface of the concrete to be smooth, free of bubbles and free of ash.

The invention relates to bio-based diesel oil and a preparation method thereof. The biological diesel oil comprises the components with the weight percentage of 3-10 percent of mixed ester of methyl, ethyl and butyl, 2-5 percent of butanol and isobutanol, 0.1-0.3 percent of carbonate rare earth lanthanum cerium polyol oleate copolymer, and the rest is C<12-14> alkane and C<12-14> isoparaffin. The preparation method is divided into two steps: biological oil which is prepared through rapid middle temperature thermal cracking and plant grease with 35-40 percent of the C more than or equal to 18 fatty acid content are used as raw materials, and high pressure hydrofing cracking and all formulation screening process are used for the preparation. The prepared bio-based diesel oil has the advantages of high thermal value, high cleanness, low freezing point and good stability, can be used as both the necessary component of highly clean diesel oil and a novel environmental protection solvent and can completely substitute present various diesel oil fuels.

The invention discloses rapid emulsifying cleansing oil, and belongs to the technical field of cosmetics. In the components of the rapid emulsifying cleansing oil, PEG-20 triisostearate, PEG-3 glyceryl isostearate, Polysorbate-80 and sorbitan polyether-30 tetraoleate with specific contents are used as emulsifiers to be added into an oil phase system, and an oily matrix and oleophylic components in the components can well dissolve cosmetics on skin; and hydrophilic components such as an emulsifier in the components can improve the flushability of the product, can reduce the greasy feeling of the skin during use, is soft in touch feeling, and does not remain on the skin after being cleaned. The product has the characteristics of high refreshing degree, strong emulsifying capacity, high emulsifying speed and strong makeup removing capacity. The invention further provides a preparation method of the rapid emulsifying cleansing oil, the method is simple in operation steps, and industrial large-scale production can be realized.

The invention discloses a fully synthesized magnesium alloy cutting fluid and a preparation method thereof. The cutting fluid is prepared from the following raw materials: sorbitan monooleate, polyethylene glycol oleate, diglycolamine, dipotassium ethylene diamine tetraacetate, sodium fatty alcohol polyoxyethylene ether sulphate, sodium oleate, potassium naphthenate, dodecyl dimethyl benzyl ammonium chloride, triethanolamine oleate, caprylic-capric acid, cocoanut fatty acid diethanolamide, diethyltriamine pentaacetic acid, butyl carbitol, diisopropanolamine, octaphenyl polyoxyethylene ether, ricinoleic acid, sorbitan fatty acid, Baishade BIT-10, additives and deionized water. The fully synthesized magnesium alloy cutting fluid disclosed by the invention further has excellent performances in magnesium corrosion resistance, corrosion resistance, lubricity, rust prevention, defoaming property, service cycle and the like.

The invention discloses a preparation method and application of a vegetable oil-based environment-friendly plasticizer with high thermal stability, and belongs to the field of fine chemical synthesisand plastic additive application. According to the invention, oleic acid, 1, 8-octanediol, hydrogen peroxide and acetic anhydride are used as main raw materials and the method comprises the followingsteps: carrying out an esterification reaction to prepare 1, 8-octanediol dioleate, carrying out an epoxidation reaction process to obtain a plasticizer epoxy 1, 8-octanediol dioleate, and finally, carrying out an acetylation reaction process to obtain another vegetable oil-based environment-friendly plasticizer acetyl 1, 8-octanediol dioleate. According to the invention, epoxy 1, 3-butanediol isprepared; the catalyst is prepared from 1, 8-octanediol dioleate and acetyl 1, 8-octanediol dioleate. The two plasticizers are 1, 8-octanediol dioleate and 1, 8-octanediol dioleate. The prepared two vegetable oil-based plasticizers are low in viscosity and light in color, good compatibility is shown when the two plasticizers are mixed with PVC, compared with DOTP and DOA, the vegetable oil-based plasticizers have excellent mechanical properties when applied to PVC, and the vegetable oil-based plasticizers are more outstanding in thermal stability and migration resistance. The two plasticizershave excellent comprehensive properties, are suitable for industrial production, and are expected to replace the traditional phthalate plasticizers.

The invention relates to an efficient methanol gasoline additive. The methanol gasoline additive comprises, by weight, the following raw materials of 5-10 parts of ethyl oleate, 3-5 parts of dimethylbenzene, 7-9 parts of octane, 0.5-2 parts of potassium chloride, 5-9 parts of butylated hydroxytoluene, 11-14 parts of 2-mercaptobenzothiazole, 1-3 parts of petroleum ether, 4-5 parts of amide, 10-13 parts of diethylene glycol aliphatic ester, 7-10 parts of tert butyl alcohol, 4-8 pats of methyl tertiary butyl ether, 2-6 parts of isoamyl alcohol, 9-12 parts of titanium dioxide, 7.2-10 parts of sorbitan mono-oleic acid ester and 1.2-3 parts of allyl alcohol. The efficient methanol gasoline additive has the advantages that emission of toxic substances in tail gas is decreased, the combustion efficiency is improved, at the same time, the dosage is less, and the cost is low.

The invention belongs to the field of organic synthesis, and specifically discloses an eleostearic acid ester alkylated compound containing a phenolic hydroxyl, and a preparation method and the application of the eleostearic acid ester alkylated compound. The eleostearic acid ester alkylated compound containing the phenolic hydroxyl is of a structure showed in a formula (1) and a formula (2) which are as shown in the description; in the formula (1) and the formula (2), R1 and R3 are straight-chain or branched-chain alkyls ranging from C1 to C4, and R2 and R4 are one or several of H, Cl, CH3, -OH, -OCH and -C(CH3)3. According to the eleostearic acid ester alkylated compound containing the phenolic hydroxyl, disclosed by the invention, the region selectivity and the alkylation degree of an eleostearic acid ester alkylation reaction can be regulated and controlled through acidic ionic liquid and the like, so that a target product can be obtained, and the prepared eleostearic acid ester alkylated compound containing the phenolic hydroxyl can be applied to the aspects of water-based UV (Ultraviolet) curing coating, water-based UV curing printing ink, water-based UV curing adhesive and the like.

The invention discloses an elastic fabric finishing liquor which comprises the following components in part by weight: 2.5 parts of triethanolamine monooleate, 1.1 parts of citric acid, 0.2 part of nano-titanium dioxide, 3.1 parts of sodium polyacrylate, 1.7 parts of sodium benzoate and 2.2 parts of hydroxypropyl methyl cellulose. The elastic fabric finishing liquor has excellent hydrophilcity and permeability, and can enhance the tensile properties and antifouling properties of fabrics.

The invention discloses an oleate modified organic silicon defoamer for coating and a preparation method of the oleate modified organic silicon defoamer. The preparation method comprises the followingsteps: firstly, carrying out esterification reaction on oleic acid and alcohol substances to obtain an ester intermediate; then, in an N2-protected catalyst system, hydrogen-containing silicone oil and the ester intermediate are subjected to an addition reaction, and an oleate modified organic silicon defoamer active matter is prepared; and finally, compounding the oleate modified organic silicondefoamer active matter, solvent mineral oil and an emulsifier to prepare the oleate modified organic silicon defoamer. The oleate modified organic silicon defoamer produced according to the inventionis applied to foam elimination in papermaking coating, has very small negative influence on the surface mechanical properties of coating paint and paper, and has the characteristics of small dosage,high defoaming speed, strong foam inhibition capability, no toxicity, no harm, simple production process and the like.

Compositions and methods for emulsifying a petroleum product that has been spilled upon a portion of the earth's surface or that is burning are based upon use of a nonionic, primary surfactant composition comprising a first ethoxylated sorbitol oleate and, preferably, a second ethoxylated sorbitol oleate, and a nonionic, secondary surfactant that is capable of stabilizing and solubilizing the primary surfactant composition such that the resulting emulsifying compositions have a hydrophilic / lipophilic balance between about 12.0 and about 13.5.

The invention provides a novel release agent for concrete products and a preparation method thereof. The novel release agent comprises the following components in parts by weight: 20-40 parts of white oil; 1-3 parts of a corrosion inhibitor; 0.5-1.0 part of a high-molecular polymer; 51-74.5 parts of deionized water; and 15-27 parts of an emulsifier; wherein the emulsifier is one or a mixture of two of ethoxylated isotridecanol and sorbitan oleate. The release agent is good in film-forming property, the release effect is obviously improved compared with a traditional release agent, most importantly, compared with the traditional oil-in-water type release agent, the release agent does not have the rusting effect on a steel formwork, spraying construction can be conducted, and the construction efficiency is improved.

The invention relates to a method for producing an ester nonionic surfactant used for an emulsion explosive. According to the invention, a food additive Vc grade d-sorbitol solution and plant oleic acid as raw materials, hypophosphorous acid and sodium hydroxide as catalysts, and the emulsifier dehydrated sorbitan monooleate (Span-80). Compared with the prior art, the emulsifier has the advantages of stable product quality, light color and high viscosity, and the method solves the problems of quality performance and storage stability of Span-80 used in the emulsion explosive in the prior art.