140 results about "Methyl oleate" patented technology

The invention discloses a compound traditional Chinese medicine patch for conditioning hyperplasia of mammary glands and a preparation method thereof, and relates to the technical field of traditional Chinese medicine preparations. The compound traditional Chinese medicine patch for conditioning hyperplasia of mammary glands is prepared from an iron-based metal organic framework composite drug carrying system, dopamine hydrochloride, a blank gel matrix, ethyl oleate, menthol, a solubilizer, a wetting agent and water, the iron-based metal organic framework composite drug loading system is composed of traditional Chinese medicine dihydric alcohol plastid, iron-based metal organic framework nanoparticles and cinnamomum camphora essential oil. The traditional Chinese medicine dihydric alcohol plastid and the cinnamomum camphora essential oil are loaded in the iron-based metal organic framework nano particles, so that the transdermal absorption of the medicine is improved, the pH response release property is realized, the dosage of active ingredients permeating into a focus part and the lasting action time are effectively increased, and then a coating layer is formed by polydopamine, so that the anti-inflammatory effect is improved. The dispersibility and compatibility of the drug loading system in vivo are further enhanced, the drug effect can be fully exerted, and the treatment effect on the hyperplasia of mammary glands is remarkably improved.

The invention relates to the field of coal dressing flotation reagents, and discloses a green coal dressing flotation reagent and a preparation method and application thereof. The invention provides a green coal dressing flotation reagent which is composed of 70-80 parts of methyl oleate, 15-30 parts of methyl palmitate and 3-6 parts of an emulsifying agent (sorbitan oleate Span80). The preparation method comprises the following steps: firstly, weighing raw materials, magnetically stirring methyl oleate and methyl palmitate for 30 minutes, then mixing with sorbitan oleate (Span80), and heating and stirring in a water bath at 55 DEG C for 2 hours to obtain the medicament. In the application of coal slime flotation, the reagent solution is added into ore pulp and matched with a foaming agent, and flotation clean coal is formed by utilizing bubbles to carry coal slime particles. A plurality of groups of experiments show that the agent is excellent in performance, the clean coal recovery rate can reach 79.66%, the ash content is as low as 10.91%, the agent dosage is remarkably reduced compared with a traditional collecting agent, meanwhile, raw materials are green and environmentally friendly, the coal dressing industry is effectively promoted to develop towards the efficient and green direction, and the agent has extremely high application value.

The invention relates to a laundry gel bead with excellent stability. The laundry gel bead with excellent stability comprises the following components: a surfactant, a modified surfactant, a solvent, a neutralizer, a chelating agent and an auxiliary agent, wherein the modified surfactant is obtained by reacting acrylic acid modified fatty alcohol-polyoxyethylene ether, sodium p-styrenesulfonate and methyl oleate ethoxylate. As the modified surfactant contains a large amount of ethyoxyl and other groups, the modified surfactant can act together with other ethyoxyl-containing surfactants to balance the irritation caused by a large amount of sulfonic acid, saturated fatty acid and other components in the laundry gel bead formula, thereby enhancing the mildness of the laundry gel beads, lowering the irritation of the washed clothes residues, and enhancing the laundry gel bead mildness. The irritation to skin and clothing fibers is effectively reduced; in addition, the modified surface active agent, the anionic surface active agent and the nonionic surface active agent act together, so that the dirt-removing capability of the laundry condensate beads is improved together.

The present application relates to a kind of ultra-low VOC water-based paint and its preparation method, belong to paint technical field, and paint component includes modified acrylic-polyurethane hybrid emulsion, methyl linoleate, choline chloride-glycerol complex, modified nano titanium dioxide photocatalyst, PEG-40 stearate, thickening agent, preservative, pH regulator etc..The present application is prepared by special method modified acrylic-polyurethane hybrid emulsion, modified nano titanium dioxide photocatalyst, then with methyl linoleate, PEG-40 stearate, choline chloride-glycerol complex and other additives are prepared according to certain proportion Cooperation preparation paint, with the effect of fast curing and not cracking, very low VOC volatility, and good water resistance and acid and alkali resistance, strong adhesion.

Disclosed in the present invention are a refining device for medicinal ethyl oleate and a use method therefor. The refining device comprises a preset negative pressure vacuum batching apparatus, a vacuum pump, a dynamically adjustable memory reaction kettle, a discharge three-way pipe, a plate-frame circulating filtration assembly, a bag-type filter, a preset negative pressure vacuum finished product storage tank, a second centrifugal pump, and a barrel-type cartridge filter. The preset negative pressure vacuum batching apparatus is in communication with the dynamically adjustable memory reaction kettle; the discharge three-way pipe is disposed at a lower end of the dynamically adjustable memory reaction kettle; an input end of the plate-frame circulating filtration assembly and an input end of the bag-type filter are respectively in communication with and arranged at the other two ends of the discharge three-way pipe; the preset negative pressure vacuum finished product storage tank is in communication with and arranged at an output end of the bag-type filter. The present invention pertains to the field of ethyl oleate production, and specifically provides a refining device for medicinal ethyl oleate and a use method therefor, which overcomes the inability of existing ethyl oleate refining devices to control the peroxide value physicochemical index of the product, and facilitates more uniform and thorough stirring and mixing of materials.

The invention provides a nomeline nasal-brain delivery preparation for transnasal region mucosa administration, and an auxiliary material mixture of the nasal-brain delivery preparation comprises 1) phospholipid, and 2) any one of diluent ethyl oleate, isopropyl myristate, sesame oil or castor oil; optionally, the auxiliary material mixture can also comprise 3) a dissolving agent such as ethanol or diethylene glycol monoethyl ether, the auxiliary material mixture is a non-aqueous system, and a solution prepared from the mixture of the two or three auxiliary materials can be absorbed by the nasal meatus olfactory mucosa after being administrated through the nasal region mucosa, can be quickly conducted to the brain olfactory bulb region along olfactory nerves and cerebrospinal fluid, and can be used for treating the brain olfactory bulb. The problems that the peripheral side effect is high due to poor brain targeting of the medicine, the medicine takes effect slowly and the like are solved.

The invention belongs to the technical field of microbial fermentation, and particularly relates to Wickerhamomyces anomalus and application thereof in preparation of ethyl palmitate, propyl linoleate or ethyl oleate. According to the present invention, the Wickerhamomyces anomalus is provided, the Wickerhamomyces anomalus is the Wickerhamomyces anomalus Lz5, the classification name of the Wickerhamomyces anomalus is Wickerhamomyces anomalus, the Wickerhamomyces anomalus is preserved in the China General Microbiological Culture Collection Center on June 19, 2025, and the preservation number of the Wickerhamomyces anomalus is CGMCC No. 34954; the address of the preservation unit is Institute of Microbiology, Chinese Academy of Sciences, No.3, No.1 Yard, Beichen West Road, Chaoyang District, Beijing; when the strain is used for fermenting sugarcane juice, ethyl palmitate, propyl linoleate and ethyl oleate can be prepared. In the culture medium after fermentation is finished, the content of ethyl palmitate can reach 13.68 mg / L. After subsequent extraction, the method can be used for industrial production.

The invention belongs to the technical field of herbicides, and particularly relates to a composite herbicide composition and a preparation method thereof.The composite herbicide composition is prepared from 10 parts of oxyfluorfen, 10 parts of prometryn, 46 parts of butachlor, 10 parts of tristyrylphenol polyoxyethylene ether, 2 parts of castor oil polyoxyethylene ether, 1 part of N, N-dimethylformamide and the balance methyl oleate; wherein the flushing device comprises a batching kettle and a first fixed disc; the first fixed disc is detachably mounted at the top of the batching kettle; an adjustable cleaning assembly is arranged in the middle of the first fixing disc. The batching kettle and the first fixed disc are arranged to form a flushing structure, so that the function of flushing the interior of the batching kettle is realized, the condition that the inner side wall of the batching kettle is dirty due to the fact that a reaction mixture is adhered to the interior of the batching kettle is solved, the cleanliness of the interior of the batching kettle is improved, and the reaction mixture adhered to the interior of the batching kettle is reduced; and preparation is made for next production.

The invention belongs to the technical field of mosquito larva prevention and control, and particularly relates to a mosquito-killing spreading oil agent and a preparation method and application thereof.The mosquito-killing spreading oil agent is composed of nerolidol, eugenol, methyl oleate, surfactants OP-4 and OP-10 and oleic acid, the mass percent of methyl oleate is 85%, the mass percent of a mixed preparation prepared from the surfactants OP-4 and OP-10 according to the mass ratio of 1: 1 is 5%, and the mass percent of oleic acid is 5%. The mosquito larva killing rate of the film spreading oil agent product within 60 minutes is 100%. Under the same condition, the effect of the insecticidal composition is better than that of pyrethrin, and the insecticidal speed is higher. The film spreading oil agent can reduce the chemical pesticide resistance of deet, and also can achieve the effects of environmental protection and efficient killing of mosquito larvae.

The invention discloses Leishan fish sauce sour essence as well as a preparation method and application thereof. The leishan fish sauce acid essence is prepared from ethyl acetate, absolute ethyl alcohol, ethyl isovalerate, ethyl hexanoate, isoamyl alcohol, furfuryl alcohol, ethyl lactate, ethyl caprylate, acetic acid, diethyl succinate, methyl salicylate, ethyl benzoate, ethyl laurate, hexanoic acid, phenethyl alcohol, 4-methyl guaiacol, ethyl myristate, ethyl palmitate, ethyl oleate, capsicum oleoresin, ethyl phenylacetate and ginger oil. And lactic acid, glycerol triacetate, ocimene, ethyl isovalerate, ethyl butyrate, anethole and phenylacetaldehyde. The Leishan fish sauce sour essence disclosed by the invention is soft and harmonious in overall fragrance, natural and vivid, still has stable flavor characteristics at high temperature, can make up the problem of flavor deficiency in sour soup products, realizes accurate reproduction and controllable release of composite fragrance, improves the standardization level of products, and effectively improves the preference degree of consumers.

The invention discloses durable wear-resistant offset printing ink and a preparation method thereof, and relates to the technical field of offset printing. The durable wear-resistant offset printing ink is at least prepared from the following raw materials in parts by weight: 30 to 45 parts of jatropha curcas oil-based polyurethane acrylate, 4 to 8 parts of vinyl silicon dioxide, 15 to 25 parts of epoxidized soybean oil acrylate, 10 to 18 parts of soybean methyl oleate, 12 to 18 parts of pigment, 2 to 4 parts of fusible polytetrafluoroethylene micro powder, 1.5 to 3 parts of drying agent and 3 to 5 parts of auxiliary agent. The prepared durable wear-resistant offset printing ink is low in VOCs emission, good in wear resistance, high in durability and capable of being attached to various base materials.

The invention relates to the technical field of agriculture, in particular to a ternary compound herbicide dispersible oil suspending agent as well as a preparation method and application thereof. Comprising the following components in percentage by weight: 0.8%-1.2% of penoxsulam, 6.5%-7.5% of cyhalofop-butyl, 18%-22% of pretilachlor, 1.5%-3.0% of a block copolymer dispersant, 3.0%-6.0% of a polyether ester emulsifier, 0.3%-1.0% of an associative rheological additive, 0.5%-2.0% of an organic phosphate buffer, 1.0%-2.0% of organic bentonite, 1.5%-4.0% of propylene glycol and glycerol, 0.1%-0.5% of an antioxidant and the balance of water. The oil phase is a mixture of methyl oleate and isoparaffin, and the balance is supplemented to 100%. Three active compounds of penoxsulam, cyhalofop-butyl and pretilachlor with complementary action mechanisms are selected, but the three active compounds are different in physicochemical property, and the product stability is easily affected by acid-base hydrolysis, thermal decomposition or precipitation and the like.

The invention provides a glabridin micro-emulsion, a glabridin micro-emulsion mask liquid and a preparation method, and relates to the technical field of cosmetics. The glabridin microemulsion provided by the invention is prepared from the following raw materials: glabridin, tween-80, 1, 2-hexanediol, ethyl oleate and water, and the mass ratio of the glabridin to the tween-80 to the 1, 2-hexanediol to the ethyl oleate to the water is (0.25 to 2.5) to (12.5 to 25) to (12.5 to 50) to (5 to 12.5) to 19. According to the glabridin microemulsion, 1, 2-hexanediol is used as a surfactant, tween-80 is used as a cosurfactant, ethyl oleate is used as an oil phase, glabridin is wrapped in the microemulsion, the solubility and skin permeability of glabridin can be improved, and cosmetics can efficiently play skin care functions such as whitening and relieving. The invention provides a glabridin micro-emulsion mask liquid which has good whitening, moisturizing and soothing effects.

The invention relates to the technical field of pharmaceutical analysis, and particularly discloses a method for simultaneously determining the content of benzyl alcohol and ethyl oleate. The method for simultaneously measuring the content of benzyl alcohol and ethyl oleate comprises the following steps: S1, mixing a sample to be measured with a low alcohol aqueous solution, freezing, adding non-polar straight-chain alkane, extracting and layering to obtain a liquid to be measured; s2, an Agilent DB-WAX chromatographic column is adopted and matched with optimized chromatographic conditions such as a heating procedure, gas chromatography detection is conducted on the to-be-detected liquid, and therefore simultaneous quantitative determination of benzyl alcohol and ethyl oleate is achieved. The method provided by the invention has the advantages of simplicity and convenience in operation, high accuracy, good repeatability, strong applicability and the like, and solves the problems of poor separation degree of benzyl alcohol and ethyl oleate and low detection efficiency in the prior art.

The invention discloses an Nd-Fe-B magnetic powder auxiliary agent, application of the Nd-Fe-B magnetic powder auxiliary agent and a preparation method of an Nd-Fe-B magnet. The Nd-Fe-B magnetic powder auxiliary agent comprises a solid auxiliary agent and a liquid auxiliary agent, the solid additive comprises 45-80 parts by weight of an ethylene amide compound, 22-45 parts by weight of saturated fatty alcohol and 0.03-0.8 part by weight of molybdenum disulfide; the liquid auxiliary agent is prepared from 0.5 to 1.5 volume parts of carboxylic ester compound and 0.5 to 3 volume parts of boric acid ester compound; the carboxylic ester compound is selected from isooctyl oleate, ethyl oleate, methyl palmitate, polyethylene glycol dioleate, methyl myristate, methyl stearate and methyl laurate; the borate compound is selected from triisopropyl borate, triethanolamine borate, tributyl borate, triethyl borate, trimethyl borate, tripropyl borate and triisobutyl borate. The Nd-Fe-B magnetic powder auxiliary agent can effectively improve the magnetic performance of a neodymium-iron-boron magnet.

The invention discloses an allergy-progesterone nano preconcentrate and a preparation method and application thereof. The nano preconcentrate is made of the following raw materials in mass percentage: 0.5-2.5% allergy-progesterone; 15-29% ethyl oleate; 45-65% polyoxyethylene sorbitan monooleate; 15-30% ethyl carbitol; and 1-5% ethanol. The allergy-progesterone nano preconcentrate of the invention is easy to use and can be arbitrarily miscible with water, thereby solving the disadvantage that the traditional allergy-progesterone oil solution is immiscible with water; at the same time, it can promote the absorption of allergy-progesterone through lymphatic circulation and improve bioavailability. The bioavailability of the nano preconcentrate after oral absorption after hydration is 497% of that of the allergy-progesterone oil solution, thereby reducing the clinical dosage of allergy-progesterone or reducing the number of administrations, thereby alleviating stress on animals.

The invention provides a parameter determination method for improving the efficiency of methyl oleate epoxidation reaction, which belongs to the technical field of methyl oleate epoxidation reaction, and comprises: collecting multiple groups of small-scale test data of methyl oleate epoxidation reaction; analyzing the small-scale test data by using a Bayesian optimization algorithm to obtain the correlation coefficient between each reaction condition parameter and the reaction efficiency data, and clustering according to the correlation coefficient to obtain key parameters, secondary parameters and micro-influence parameters; establishing a training data set, and training to obtain a two-way model of methyl oleate epoxidation reaction; discretizing a preset reaction efficiency requirement range, and inputting it into the model to obtain a reaction condition parameter set; using a genetic algorithm to use a to-be-selected reaction condition parameter set as an initial population, and iteratively optimizing to obtain target reaction condition parameters that meet the requirements; screening out a seed reaction condition parameter set; designing an orthogonal experiment to obtain an experimental data set, and selecting the reaction efficiency that is most similar to the preset target as the optimal reaction condition parameter.

The invention belongs to the field of agricultural fertilizers, and relates to a nano carbon dot calcium-copper nutrient solution with both nutrition and sterilization functions and a preparation method of the nano carbon dot calcium-copper nutrient solution. The method comprises the following steps: (1) adding citric acid and ethylenediamine into a reaction kettle, introducing CO2-removed water into the reaction kettle, and carrying out pressurization and heating reaction to prepare a solution A; (2) compounding calcium gluconate and urea according to a certain ratio, adding monoethanolamine, introducing CO2-removed water into a reaction kettle, and carrying out pressure-maintaining heating to prepare a solution B; (3) preparing a solution C: mixing alkyl glycoside, methyl oleate and fatty alcohol polyvinyl ether according to a certain proportion, introducing CO2-removed water, and continuously stirring to prepare the solution C; and (4) sequentially compounding the solution A, the solution B and copper glycinate, and adding the solution C to prepare a finished product of the nano carbon dot calcium-copper nutrient solution. The nutrient solution has multiple effects: organic nutrients are supplemented to crops; photosynthesis of crops is improved; the calcium absorption is increased; bacterial diseases are prevented; nutrient solution leaf attachment is increased, and the utilization rate is increased.

This invention discloses a coal liquefaction residue-based warm-mix self-healing dual-function asphalt modifier and its preparation method, belonging to the field of road engineering materials technology. The modifier consists of the following components by mass percentage: plasma-activated coal liquefaction residue micropowder (40-60%), warm-mix functional agent (10-20%), self-healing microcapsules (15-25%), interface reinforcing agent (5-10%), and coupling agent (2-5%). The plasma-activated coal liquefaction residue micropowder has a particle size of 0.15 mm, a specific surface area of ​​300-400 m² / g, and a surface hydroxyl content of 1.2-2.0 mmol / g. Its porous structure is used to adsorb and slowly release the warm-mix functional agent, and also serves as a carrier for the microcapsules. The warm-mix functional agent is a compound of sodium alkylbenzene sulfonate / polyoxyethylene ether and glyceryl stearate / methyl oleate, which are oriented at 120-130℃ to form a lubricating interface layer, reducing the viscosity of the asphalt mortar by more than 30%. The self-healing microcapsules use polyurethane as the shell material and contain asphalt recycler, sulfur, and plasticizer in the core material. They can rupture and release the core material when microcracks propagate.

The application discloses a sulfonic acid group functionalized C3N4 catalyst and application thereof in synthesis of photocatalytic epoxy methyl oleate, and relates to a method for synthesizing epoxy methyl oleate by one-step epoxidation of methyl oleate under visible light irradiation at room temperature, normal pressure and neutral reaction conditions, with the sulfonic acid group functionalized C3N4 as a heterogeneous visible light catalyst and air as an O2 source. The synthesis method has the characteristics of atom economy of a synthesis route, direct use of air as an O2 source, no need of additional hydrogen peroxide, high activity of a catalytic system, good selectivity, recyclability and the like.

The present application relates to the structure of the formula (I) or formula (II) shown in the methyl oleate succinic alcohol ether ester, wherein, R1 It is selected from -CH2-, -CH2CH2-, -CH (CH3) CH2-, -CH2CH (CH3)-; N It is selected from the integer of 1-15; R2 It is selected from the substituted or unsubstituted C1-C 40 Hydrocarbon group. The present application also relates to the preparation method of the methyl oleate succinic alcohol ether ester and the diesel composition comprising the methyl oleate succinic alcohol ether ester. The methyl oleate succinic alcohol ether ester provided by the present application can significantly improve the lubricating property of low sulfur diesel, and has excellent effect of improving the lubricating property of diesel with small addition amount in diesel, and the freezing point of the methyl oleate succinic alcohol ether ester is low, which can be normally used under low temperature environmental conditions.

The invention relates to an ultralow VOC water-based paint and a preparation method thereof, and belongs to the technical field of paints.The paint is prepared from modified acrylic acid-polyurethane hybrid emulsion, methyl linoleate, a choline chloride-glycerin compound, a modified nano titanium dioxide photocatalyst, PEG-40 stearate, a thickening agent, a preservative, a pH regulator and the like. The modified acrylic acid-polyurethane hybrid emulsion and the modified nano titanium dioxide photocatalyst are prepared by adopting a special method and then are matched with the methyl linoleate, the PEG-40 stearate, the choline chloride-glycerol compound and other auxiliaries according to a certain proportion to prepare the coating, and the coating has the effects of rapid curing and no cracking, is extremely low in VOC volatility, and can be applied to the field of coating materials. The water resistance and the acid and alkali resistance are good, and the adhesive force is strong.

The present application relates to the technical field of liquor quality. The present application utilizes the same fungus Eurotium cristatum SXHBTBU1934 CGMCC NO.21026 as yeast to independently ferment wheat, and then utilizes the fermented wheat as "microbial filter material" to filter distilled liquor. The specific method for improving liquor quality by utilizing microbial fermentation material comprises the following steps: filtering liquor body by adsorption material to obtain filtered liquor body; mixing the filtered liquor body with washing-removing material to obtain washing-removed liquor body; and performing fine filtration on the washing-removed liquor body to obtain product liquor body. By utilizing the method of the present application, the compounds such as ethyl oleate and ethyl linoleate, which have negative influence on the flavor of liquor and have viscosity, can be reduced in the liquor body; meanwhile, the acid ester compounds such as ethyl octanoate are increased, which adds fruit flavor to the liquor body, but does not destroy the flavor balance of the four flavoring substances such as ethyl acetate, ethyl lactate, ethyl butyrate and ethyl hexanoate, and does not affect the main taste of the liquor body.

The invention relates to the technical field of pesticide manufacturing, and discloses a cyhalothrin and indoxacarb nano microcapsule suspending agent as well as a preparation method and application thereof. The nano microcapsule suspending agent is formed by mixing an indoxacarb nano suspending agent and a cyhalothrin microcapsule suspending agent; wherein when the cyhalothrin microcapsule suspending agent is prepared, methyl oleate and epoxidized soybean oil are used as solvents of an oil phase. The lambda-cyhalothrin and indoxacarb nano microcapsule suspending agent provided by the invention is prepared by mixing the indoxacarb nano suspending agent and the lambda-cyhalothrin microcapsule suspending agent, and when the lambda-cyhalothrin microcapsule suspending agent is prepared, methyl oleate and epoxidized soybean oil are used as solvents of an oil phase, so that the stability of the preparation can be improved to a great extent; therefore, the pesticide effect and the utilization rate of pesticide active ingredients are improved, the use amount and the use frequency are reduced, and pesticide residues and pollution to the environment are reduced.

The invention discloses a sustainable asphalt regenerant, a preparation method and application, the sustainable asphalt regenerant comprises methyl palmitate, methyl linoleate, methyl oleate, methyl stearate, methyl eicosenoate, methyl arachidonate and the like, the content of saturated fatty acid methyl ester exceeds 21.3-25.6% of the total content of fatty acid methyl ester, and the content of saturated fatty acid methyl ester exceeds 21.3-25.6% of the total content of fatty acid methyl ester. The content of unsaturated fatty acid methyl ester exceeds 66.2-70.5% of the total content of fatty acid methyl ester, and the total fraction is 100%; the regenerant is prepared from waste edible oil and fat as a raw material, and compared with a traditional petroleum-based regenerant, the regenerant is wide in source, low in raw material cost and renewable. The sustainable asphalt regenerant can effectively recover various properties of aged asphalt, and solves the problems of poor water damage resistance and durability caused by high content of acidic compounds in the existing waste edible oil asphalt regenerant; meanwhile, the recovery and reutilization of the waste edible grease and the aged asphalt material are realized.

The invention discloses a neuroactive steroid self-microemulsifying composition as well as a preparation method and application thereof. The neuroactive steroid self-microemulsifying composition is prepared from 1-10 parts of neuroactive steroid; 100 to 1000 parts of an oil phase; 100 to 1500 parts of an emulsifier; wherein the oil phase is selected from any one or a combination of more of medium chain triglyceride, isopropyl myristate, isopropyl palmitate, ethyl oleate and caprylic capric triglyceride; the emulsifier is selected from any one or a combination of more of the following components: polyoxyethylene castor oil EL, polyoxyethylene hydrogenated castor oil RH, polyoxyethylene hydrogenated castor oil PEG-40, lecithin, DSPE-5000 phospholipid, Tween 80, poloxamer F127 and poloxamer F68. The neuroactive steroid self-microemulsifying composition provided by the invention has the characteristics of stability, uniform particle size and high bioavailability.

The present invention provides a dispersible oil suspension containing isoproturon, mesosulfuron-methyl and flufenican, comprising the following components in weight percentage: active ingredients 10-70%, dispersant 1-15%, emulsifier 1-10%, organic bentonite 0.5-5%, silica white 0.5-2%, methyl oleate 1-10%, and solvent to make up 100%; the active ingredients are composed of isoproturon, mesosulfuron-methyl and flufenican, and the mass ratio of isoproturon, mesosulfuron-methyl and flufenican is 20-35:0.1-2:1-10. The dispersible oil suspension of the present invention has excellent suspension, water dispersibility, and low persistent foaming property. It can significantly improve the weeding effect, effectively reduce the application dose of the active ingredients, and reduce environmental pollution.

The present application belongs to the field of agriculture, and particularly relates to a herbicidal composition containing butachlor, metamifop and isoxaben and application thereof, wherein the herbicidal composition is in the form of dispersible oil suspending agent, and contains the following components in the weight percentage: butachlor 20-28%, metamifop 6-10%, isoxaben 3-9%, emulsifier 10-20%, dispersant 1-5%, organic bentonite 0.5-2%, and methyl oleate to make up 100%. The emulsifier is a combination of EL-10 and Termul 2507, and the dispersant is ATLOX 4916. The dispersible oil suspending agent prepared by the present application has excellent emulsifying performance, suspending performance, good thermal storage stability and cold storage stability, and the specific surfactant combination can further reduce the thermal storage decomposition rate of the active ingredient. The active ingredient of the 38% dispersible oil suspending agent prepared by the present application is used in an amount of 20-30 g / mu to have excellent control effect on weeds in rice fields.

The invention relates to the technical field of pesticides, and discloses a nano dispersible oil suspending agent as well as a preparation method and application thereof. The method comprises the following steps: (1) mixing a first effective component, a solvent, a part of an emulsifier and water to obtain a first material; and (2) mixing the second effective component with the first material, then adding the dispersing agent, the residual emulsifier, the thickening agent and methyl oleate, and sanding to obtain the nano dispersible oil suspending agent. The preparation method of the nano dispersible oil suspending agent provided by the invention solves the problem that cyhalofop-butyl is easy to crystallize at a low temperature, solves the problem of low sanding efficiency caused by soft particles when cyhalofop-butyl raw medicine is sanded by a conventional method, can obtain a nano-scale pesticide preparation in a shorter time, and is suitable for large-scale popularization and application. And the prepared nano dispersible oil suspending agent has the advantage of stability under the conditions of room temperature, high temperature and low temperature.

The utility model belongs to ethyl oleate preparation technical field especially one kind is provided with the preparation device of ethyl oleate of adsorption function, it includes reation kettle equipment and adsorption box, the top of adsorption box is provided with feeding opening, and the bottom end fixed communication of reation kettle equipment has liquid outlet pipe, and this preparation device still includes: connecting pipe, the bottom end fixed communication of connecting pipe is on liquid outlet pipe, and the top end fixed communication of connecting pipe is in the top of adsorption box, and water pump is fixedly installed on connecting pipe, infusion tube, the top fixed communication of infusion tube is on the bottom end of adsorption box, and valve is fixedly installed on infusion tube, the utility model discloses through simple structure has realized to ethyl oleate after esterification reaction, can efficiently remove the impurity and moisture in ethyl oleate inside, avoids the influence of ethyl oleate preparation after color, smell and purity, improves the finished product quality of ethyl oleate, and the practicality is strong.