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50results about How to "Effective emulsification" patented technology
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Production technique for chicken powder with great freshness flavor
ActiveCN103689522AIncrease umamiImprove sensory qualityFood ingredientsFood preparationMonosodium glutamateAdditive ingredient
The invention discloses a production technique for chicken powder with a great freshness flavor, and belongs to the technical field of processing food seasoning. The chicken powder comprises the following materials according to mass: 30kg of fresh chicken skeletons, 30kg of fresh chicken, 7kg of maltodextrin, 2.5kg of disodium nucleotide, 0.1kg of sodium citrate, 7kg of trehalose, 10kg of edible salt, 10kg of monosodium glutamate, 2kg of lentinula edodes, 1kg of radix puerariae, and 0.4kg of pepper; the production technique comprises the steps: pretreating active ingredients, and carrying out high-temperature high-pressure sealed cooking, fine treatment, enzymolysis for flavor, mixing, spray drying, filling and capping. According to the production technique, the processes are simple, the energy consumption can be reduced, the loss of flavor components can be effectively reduced and sufficient release of flavor substances is promoted, the chicken powder is rich in chicken flavor, harmonious in saline taste, delicate flavor and perfume, luminous in color, good in rehydration property, smooth in mouthfeeling, free from sand grains, and milkily white in soup feeling.
Owner:GUANGDONG JIALONG FOOD
Strong emulsibility microbe wax cleaning and preventing bacterial agent and application thereof
ActiveCN104109516AStrong emulsifying abilityReduce interfacial tensionCleaning apparatusFluid removalInhibition zoneOil production
The invention discloses a strong emulsibility microbe wax cleaning and preventing bacterial agent and an application, which belongs to the oil field chemical technology field. The wax cleaning and preventing bacterial agent mainly comprises pseudomonas aeruginosa and geobacillus sp, has strong emulsification capability, and is capable of dispersing crude oil, promoting crude oil to flow, changing adherence force of borehole wall, preventing the accumulation of wax crystal on the borehole wall, and playing the paraffin inhibition and wax cleaning effects. By increasing the initial application amount of the bacteria liquid and prolong the well closing time, a stable paraffin inhibition zone can be formed due to adhesion of bacteria on borehole wall, near wellbore formation can be cleaned, and the paraffin inhibition and oil increase effects can be increased. After on-site enforcement, the well cleaning and chemical paraffin inhibition works can not be carried out in recent half year in the test wells, so that the wax cleaning and preventing bacterial agent has good paraffin inhibition effect in the well. The oil production is increased by about 30% daily, pump efficiency is increased about 10%, the surface tension of the output liquid is decreased to 20-25%, and the crude oil condensation point is decreased by 1-3 DEG C.
Owner:CHINA PETROLEUM & CHEM CORP +1
Well cementation oil-based slurry flushing liquid and preparation method thereof
ActiveCN105315978AStrong emulsifying abilityPlay a drag roleDrilling compositionChemistryNonionic surfactant
The invention discloses a well cementation oil-based slurry flushing liquid and a preparation method thereof. The flushing liquid comprises the components of, by weight, 100 parts of water, 4-8 parts of a nonionic surfactant, 5-8 parts of an anionic surfactant, 4-5 parts of an amphoteric surfactant, 1-2 parts of Span 80, 1-2 parts of Tween 80, and 0.2-3.5 parts of a tackifying and shear-strength-improving agent. The method comprises the following steps: according to the formula, the tackifying and shear-strength-improving agent is added, and the material is well mixed by stirring; the other components are added, and the mixture is well mixed by stirring, such that the well cementation oil-based mud flushing liquid is obtained. The flushing liquid provided by the invention has certain shearing strength and viscosity. Under the effect of hydraulic machinery, a dragging effect can be performed on oil slurry and oil films. Also, the flushing liquid has high emulsifying effects, and can be used for emulsifying the oil films and residual oil, such that viscose oil-based drilling fluid can be effectively cleaned. The flushing fluid is suitable to be used for flushing oil-based drilling fluid with high plastic viscosity and shearing force.
Owner:CHINA PETROLEUM & CHEM CORP +1
Cyclosporine compound eye drops and preparation method thereof
ActiveCN107998399AImprove bioavailabilityHigh drug loadingOrganic active ingredientsSenses disorderTolerabilityTear secretion
The invention relates to a cyclosporine-containing composition and a preparation method thereof. The compound eye drops are prepared from cyclosporine, anti-inflammatory or antibiotic drugs, a surfactant, a stabilizer, a thickener, an isoosmotic adjusting agent, a pH adjusting agentr and water or oil, the preparation is a mixed suspension agent or an emulsion, and one or two of a high pressure homogenization method and a wet grinding technique is / are combined for use in the preparation method. The cyclosporine compound eye drops have the advantages that the ophthalmic tolerance is excellent, the drug utilization degree is high, the tear secretion of people suffering from xerophthalmia can be effectively improved, the tear film is stabilized, the anti-inflammation function of the anti-inflammatory or antibiotic drugs and the immunoregulation function of cyclosporine can be synergistically exerted, xerophthalmia can be effectively treated, and the compound eye drops have a better treatment effect compared with the separate application of cyclosporine.
Owner:NKD PHARMA CO LTD
Pipeline oil stain cleaning agent and preparation method thereof
ActiveCN105542986AEffective emulsificationEfficient degradationOrganic detergent compounding agentsNon-ionic surface-active compoundsAdditive ingredientCleansing Agents
The invention provides a pipeline oil stain cleaning agent and a preparation method thereof, and relates to an oil stain cleaning treatment technology. The pipeline oil stain cleaning agent is characterized in that the effective ingredients of the pipeline oil stain cleaning agent comprise a compound microorganism preparation, and microorganisms in the compound microorganism preparation comprise Bacillus stearothermophilus and Brevibacillus sp.. In further improvement, the effective ingredients of the pipeline oil stain cleaning agent further comprise an enzyme preparation, a low-molecular-weight peptide and a glycolipid biological surfactant. The microorganism preparation takes grease ingredients existing in pipelines as the main carbon source and can emulsify and degrade the grease ingredients in the pipelines through metabolism and reproduction activities of the microorganisms themselves; meanwhile, the microorganism preparation can restrain reproduction of harmful bacteria in the environment, facilitate growth and reproduction of endogenous good bacteria in the environment and prevent the odor problem and other problems from occurring, and therefore the effects for achieving long-time and effective oil removing and pipeline dredging can be achieved; the fermentation technology is simple, easy to control and low in production cost.
Owner:中林山水(北京)生态科技有限公司 +1
Displacement exploitation method for heavy oil reservoir after artificial foam oil primer and steam flooding
ActiveCN106593376AIncrease seepage resistanceFacilitated DiffusionFluid removalDrilling compositionPressure riseInjection well
The invention provides a displacement exploitation method for heavy oil reservoir after artificial foam primer and steam flooding. The method comprises: selecting a target oil reservoir and a target well group; stopping a well group steam injection and oil exploitation process, and injecting an artificial foam oil primer slug and a gas slug into injection wells; opening wells to exploit oil when formation pressure rises so that bottom-hole static pressure of a production well reaches a set value; after injecting the gas slug, continuing the inject steam to the injection wells, judging whether injection transfer conditions and lower economic limit are satisfied or not, and determining whether to continue oil exploitation or stop oil exploitation. By using an artificial foam oil primer in the method, it is possible to reduce crude oil viscosity and surface tension for a near-wellbore formation, gas is dispersed in micro bubble form in oil-in-water emulsion, rheological properties of crude oil are improved, oil-gas-water to-be-mixed phase fluid is formed, elasticity energy is supplemented to the formation, overall mobility of fluid in the oil reservoir is improved, mobility of crude oil is improved, and single-well productivity and final recovery are increased.
Owner:PETROCHINA CO LTD
Soil heavy metal deactivator
ActiveCN107384433AReduced effectivenessReduced portabilityAgriculture tools and machinesOrganic fertilisersSodium metasilicateSoil heavy metals
The invention relates to a soil heavy metal pollution treatment technology, and concretely relates to a soil heavy metal deactivator, and a method using the soil heavy metal deactivator to deactivate and repair soil heavy metal pollution. The soil heavy metal deactivator comprises, by weight, 30 parts of peanut shells, 15 parts of red pine needles, 10 parts of sepiolite, 10 parts of fly ash, 5 parts of chitin, 3 parts of sodium metasilicate pentahydrate, 0.4 part of sodium tripolyphosphate, 0.1 part of choline chloride, 1.2 parts of a microbial inoculum and 0.05 part of quicklime. The soil heavy metal deactivator can effectively reduce the heavy metal content of plants to achieve the deactivation and repairing purposes.
Owner:南京宁粮生物工程有限公司
Table rose sauce and preparation method thereof
ActiveCN104055060ASmooth tasteRetain colorFood ingredient functionsFood preparationBiotechnologyGlucose-Fructose Syrup
The invention relates to table rose sauce and a preparation method thereof. The preparation method comprises the following steps: performing superfine grinding on edible rose petals to obtain rose powder; mixing the rose powder, glucose syrup, white granulated sugar and purified water, adjusting the pH value to be 1.8-2.2 by using citric acid to obtain a mixed solution, and heating the mixed solution to obtain a rose solution with sugar content of not less than 50%; adding pectin and salt into the rose solution, and boiling to obtain rose sauce; sterilizing the rose sauce in a water bath with temperature of 80-85 DEG C to obtain a finished product of rose sauce. According to the preparation method, the technical problems of instable quality and poor sensory quality of rose sauce in the prior art are solved, and the table rose sauce is stable in quality, bright in color, fragrant in smell, comfortable in mouth feel and wide in application range.
Owner:HUNAN AGRI PRODS PROCESSING INST
Low-salt strong-fragrance pork essence and preparation method thereof
InactiveCN104996966AIncrease contentUnique flavorFood preparationMaillard reactionDextrose Monohydrate
The invention provides low-salt strong-fragrance pork essence and a preparation method thereof, particularly the preparation method of the low-salt strong-fragrance pork essence. The preparation method comprises the following steps:1) performing enzymolysis: adopting a manner that cooking is combined with enzymolysis, wherein the content of protein and the content of free amino acid are high; 2) adding white sugar, gourmet powder, enzymolysis vegetable protein, lard, dextrose monohydrate, spice powder and a Maillard reaction augmentor for performing a reaction; 3) adding water, table salt, modified starch, CMC and pork fragrant base for performing emulsification, and performing filtration and encapsulation, wherein the Maillard reaction augmentor comprises L-cysteine salt, ribose, L-proline, DL-methionine, xylose and L-glycine. The salinity content of the low-salt strong-fragrance pork essence prepared by the preparation method disclosed by the invention is lower than 8%, effective components and active components of fragrance are effectively embedded, the low-salt strong-fragrance pork essence is not liable to deteriorate, and the fragrance is rich.
Owner:GUANGZHOU TIANHUI FOOD
Orange full-fruit juice and processing method thereof
The invention discloses orange full-fruit juice and a processing method thereof. The processing method mainly comprises the following steps: carrying out ozone composite high-pressure pulse electric field treatment on pre-treated oranges to remove pesticide residues of orange peel; carrying out coarse pulverizing, wet-process superfine pulverizing and colloid mill treatment on the oranges after the pesticide residues are removed to obtain full-fruit juice; carrying out compound enzyme moderate enzymatic hydrolysis treatment on the full-fruit juice; and carrying out homogenization, degassing and sterilizing on the juice after enzymolysis. The entire oranges can be totally utilized, and the nutrient substances of the oranges are retained to a great extent; stability of a juice system is realized by pectin of materials, and chemical additives are reduced; and by functional ingredients such as essential oil and flavone and ultra-high-pressure synergistic interaction, effective bacteria inhibition of the juice is realized, the qualities such as the original nutrient ingredients, color and taste in the materials are retained well, and the obtained orange full-fruit juice is rich in fragrance, bright in color, rich in functional ingredients and good in stability.
Owner:HUNAN AGRI PRODS PROCESSING INST
Egg yolk-phytosterol-polysaccharide composite emulsion gel and preparation method thereof
ActiveCN110089694AIncrease productivityDoes not change chemical propertiesLipidic food ingredientsFood ingredient as gelling agentYolkOil phase
The invention discloses an egg yolk-phytosterol-polysaccharide composite emulsion gel and a preparation method thereof, which belong to the technical field of processing of saturated fat substitutes.The method utilizes the emulsification and crystallization regulation of egg yolk, regulates the crystal form of phytosterol in the emulsion gel while emulsifying the liquid oil, a high oil-phase oil-in-water emulsion is prepared firstly, and then a semi-solid plastic fat product with low liquid droplet loss is obtained by heating and cooling gelation of the edible gum. The egg yolk-phytosterol-polysaccharide composite emulsion gel prepared by the invention can be used as a substitute fat for high saturated animal fat, also can be used as a delivery carrier of fat-soluble nutrients, and has wide application prospect in low-saturated fat foods and fat-soluble nutrient enhanced foods.
Owner:JIANGNAN UNIV
Diesel oil emulsification addictive
InactiveCN1803993AEffective emulsificationEnergy-saving and smoke-eliminating effectRefining by water treatmentAmmonium bromideSorbitol
The invention provides an emulsified diesel fuel additive with energy conservation and smoke abatement effects, wherein the constituents include dodecyl trimethyl ammonium bromide, sorbitol olein, oleinic acid, sodium hydroxide, organic salts containing Fe and Cu.
Owner:SHENZHEN HUANENG CHEM
Emulsification stabilizer and cereal dietary fiber beverage containing same
InactiveCN103371309AInhibition of precipitationPrevent water precipitationFood preparationNutrientDietary fibre
The invention relates to an emulsification stabilizer and a cereal dietary fiber beverage containing the same. The emulsification stabilizer comprises an emulsifier, hydrophilic gel and emulsifying salt. The novel stabilizer is capable of effectively suspending starch retrogradation particles in the cereal dietary fiber beverage, effectively inhibiting the sediment phenomenon of the cereal dietary fiber beverage, preventing the drainage phenomenon caused by common starch retrogradation in the cereal dietary fiber beverage, and remarkably covering delayed bitterness generated by polypeptides. The prepared cereal dietary fiber beverage has the characteristics of a stable state, a smooth mouth feel, capability of effectively supplementing dietary fibers of a human body, and easiness in absorption of nutrients.
Owner:DSM IP ASSETS BV
A kind of strong emulsifying microbial anti-wax agent and its application
ActiveCN104109516BStrong emulsifying abilityReduce interfacial tensionCleaning apparatusFluid removalInhibition zoneOil production
Owner:CHINA PETROLEUM & CHEM CORP +1
PH-responsive modified polyacrylamide oil displacement agent and preparation method thereof
ActiveCN107652400ALow viscosityLow flow resistanceDrilling compositionMethacrylatePolyethylene oxide
The invention provides a pH-responsive modified polyacrylamide oil displacement agent and a preparation method thereof. The oil displacement agent is composed of 10-85wt% of acrylamide, 10-40wt% of sodium acrylate, 5-35wt% of poly N, N-diethylamido ethyl methacrylate, 5-15wt% of acrylic polyethylene oxide-propylene oxide, auxiliary, initiator and water. The invention further provides a preparationmethod of the oil displacement agent. The oil displacement agent can effectively lower viscosity of crude oil during crude oil extraction, is highly responsive to acidity and alkalinity and can effectively increase crude oil recovery ratio.
Owner:PETROCHINA CO LTD
Efficient non-phosphorus non-nitrogen environment-friendly dedicated scale inhibitor for reverse osmosis membrane
InactiveCN104307377AEffective chelationGood anti-scaling effectSemi-permeable membranesGeneral water supply conservationSaline waterReverse osmosis
The invention belongs to the technical field of water treatment, and in particular relates to an efficient non-phosphorus non-nitrogen environment-friendly dedicated scale inhibitor for a reverse osmosis membrane. The scale inhibitor is prepared from the following raw materials in parts by weight: 40-60 parts of polyepoxysuccinic acid, 10-20 parts of a KF-308 dispersing agent, 5 parts of hydrolytic polymaleic anhydride, 2 parts of hydrochloric acid, and 20-30 parts of desalted water, wherein the KF-308 dispersing agent is a product produced by the Urumqi Scientific Development Fine Chemical Engineering Co., Ltd. and comprises the following main constituents: hydroxy-propyl acrylate, 2-acrylamide-2-methylpropanesulfonic acid, ammonium persulfate and isopropanol; the standard of the hydrochloric acid is analytically pure. The efficient non-phosphorus non-nitrogen environment-friendly dedicated scale inhibitor disclosed by the invention is mainly used as the scale inhibitor for the reverse osmosis membrane.
Owner:URUMQI KEFAZHAN FINE CHEM
High-shear mixing and emulsifying device for paint coating processing and working method thereof
ActiveCN111068531AViscosity ControlIncrease viscosityTransportation and packagingRotary stirring mixersTemperature controlElectric machine
The invention discloses a high-shear mixing and emulsifying device for paint coating processing and a working method thereof. The high-shear mixing and emulsifying device comprises a plurality of stirring motors, the plurality of stirring motors are fixedly arranged on a workbench; a first emulsifying tank body is erected in the center of the workbench, a second emulsifying tank body is fixedly installed on one side of the first emulsifying tank body, the first emulsifying tank body and the second emulsifying tank body can be fixed in the body of the workbench through welding, and mixing mechanisms are arranged in the first emulsifying tank body and the second emulsifying tank body; according to the high-shear emulsifying device disclosed by the invention, through a steel rib umbrella hoop, a first steel skeleton arm, a second steel skeleton arm, a scratching rod, an inward stirring paddle and a blowout prevention cap structure of the mixing mechanism, instantaneous strong filling stirring and shearing effects are achieved, a secondary paint coating can be subjected to rotational fluid centrifugal motion again through a comprehensive re-mixing structure, the reaction efficiency andthe quality guarantee effect of the secondary paint coating are improved by additionally arranging a designed hot drying lamp, and the viscosity, the humidity and the temperature control of the secondary paint coating can be improved to a certain extent.
Owner:广东加家涂环保材料有限公司
A soil heavy metal passivator
ActiveCN107384433BReduced effectivenessReduced portabilityAgriculture tools and machinesOrganic fertilisersRed pineMicroorganism
The invention relates to a soil heavy metal pollution treatment technology, and concretely relates to a soil heavy metal deactivator, and a method using the soil heavy metal deactivator to deactivate and repair soil heavy metal pollution. The soil heavy metal deactivator comprises, by weight, 30 parts of peanut shells, 15 parts of red pine needles, 10 parts of sepiolite, 10 parts of fly ash, 5 parts of chitin, 3 parts of sodium metasilicate pentahydrate, 0.4 part of sodium tripolyphosphate, 0.1 part of choline chloride, 1.2 parts of a microbial inoculum and 0.05 part of quicklime. The soil heavy metal deactivator can effectively reduce the heavy metal content of plants to achieve the deactivation and repairing purposes.
Owner:南京宁粮生物工程有限公司
Method for preparing monascus red pigment by utilizing immobilized enzymes
The invention relates to a method for preparing a monascus pigment, in particular to a method for preparing a monascus red pigment by utilizing immobilized enzymes. The method comprises the steps as follows: taking a monascus liquid fermentation solution as a raw material, homogenizing, enzymatically hydrolyzing the immobilized enzymes, alkalifying and filtering to obtain a monascus red pigment solution; and carrying out acid deposition on the monascus red pigment solution, washing and neutralizing the deposits, dehydrating and drying to obtain the monascus red pigment. The method has the advantages as follows: on one hand, the fermentation solution is effectively dispersed, broken, emulsified and mixed by utilizing a colloid mill, so that the subsequent enzymatic hydrolysis efficiency is improved and the monascus red pigment in monascus is fully released; and on the other hand, an enzyme preparation can be recycled, the reaction conditions are moderate, the monascus red pigment is concentrated through the acid deposition method, the process is simple, the energy consumption is low, and the product is easy to separate. The production cost can be remarkably reduced through the monascus red pigment prepared with the method. The monascus red pigment has the maximum absorption wavelength of 499 nm, is good in water solubility and light, heat, acid, alkali and metal stabilities, and is favorable for the monascus pigment industry development.
Owner:山东中惠生物科技股份有限公司 +1
Shale gas well cementation and oil displacement type flushing agent and preparation method thereof
ActiveCN112210355AGood emulsificationAchieving complete wetting inversionDrilling compositionPhosphoric Acid EstersPolyethylene glycol
The invention discloses a shale gas well cementation and oil displacement type flushing agent. The shale gas well cementation and oil displacement type flushing agent comprises the following components in parts by weight: 100 parts of water, 24-48 parts of an emulsifier, 12-24 parts of a cosolvent and 6-12 parts of a hydration inhibitor, wherein the emulsifying agent comprises at least one of cetostearyl alcohol polyoxyethylene ether, propylene glycol block polyether and fatty alcohol-polyoxyethylene ether potassium phosphate; the cosolvent is prepared from isomeric alcohol polyoxyethylene ether and oleic acid polyoxyethylene ester in a weight ratio of (3-4): (1-2); the hydration inhibitor comprises polyethylene glycol, glucoside and / or oleyl alcohol polyoxyethylene ether. The shale gas well cementation and oil displacement type flushing agent can effectively displace high-density oil-based drilling fluid, interface wettability reversal is achieved, reservoir stability is guaranteed, and annulus well cementation quality is improved.
Owner:TIANJIN BO XING ENG SCI & TECH LIMITED COMPANY OF CNPC +2
Water-based cleaning agent with strong dispersing capacity, and cleaning method thereof
ActiveCN111040888AQuick wetQuickly wets and penetratesInorganic/elemental detergent compounding agentsNon-ionic surface-active compoundsLipid formationChlorobenzene
The invention provides a water-based cleaning agent with strong dispersing capacity, and a cleaning method thereof, wherein the cleaning agent comprises narrow-distribution fatty alcohol-polyoxyethylene ether and a nonionic surfactant. According to the invention, the cleaning agent prepared by the preparation method has strong cleaning capability on granular pollutants wrapped by rosin or other lipid compounds, can effectively remove pollutants in difficult-to-clean positions such as deep holes, blind holes and the like, and is simple and stable in components, free of layering, not prone to volatilization and decomposition, free of corrosion effect on welding spots, is wide, inexpensive and easily-available in raw materials, low in cost, low in waste liquid treatment cost, free of toxic substances such as sulfur, chlorine, benzene, heavy metals and the like, and low in harm to human bodies and the environment; the cleaning process is easy to operate, free of residues, high in cleanliness and bright in welding spot; and the application field is wide, and the application prospect is good.
Owner:CHONGQING UNIV OF TECH
Automotive light cycle oil and preparation method thereof
InactiveCN112940804ALow densityImprove low temperature fluidityLiquid carbonaceous fuelsOil canKerosene
The invention discloses automotive light cycle oil and a preparation method thereof. The automotive light cycle oil is prepared from the following components in parts by mass: 80-90 parts of light oil, 15-20 parts of tert-butyl methyl ether, 10-20 parts of aviation kerosene, 10-80 parts of heavy aromatics, 1-3 parts of an emulsifier, 0.1-0.3 part of a cetane number improver, 8-10 parts of a deacidification agent, 2-3 parts of a color retention agent and 10-20 parts of 200# solvent oil. The preparation method comprises the following steps: firstly, weighing the above components, then mixing and stirring the components until the components are mutually dissolved, and finally, conducting standing and filtering to obtain the product. The above formula is simple, the prepared light cycle oil is good in quality, problems in utilization of the light cycle oil are effectively solved, and the quality requirement of market blended diesel oil can be met.
Owner:中丽石油化工(浙江自贸区)有限公司
Vegetable gum fracturing fluid microorganism composite viscosity reduction system and application thereof in field of thickened oil recovery
PendingCN111793490AEffective emulsificationReduce viscosityFluid removalDrilling compositionBiotechnologyPlant Gums
The invention provides a vegetable gum fracturing fluid microorganism composite viscosity reduction system and application thereof in the field of thickened oil recovery. The vegetable gum fracturingfluid microorganism composite viscosity reduction system comprises vegetable gum, viscosity reduction microorganisms and water, wherein the viscosity reduction microorganisms are selected from one ormore of pseudomonas, bacillus cereus, bacillus subtilis and geobacillus stearothermophilus. The vegetable gum can provide a carbon source required by the growth of microorganisms. In the growth process of viscosity reduction microorganisms, biological surfactants, small molecular organic solvents, gas and the like can be generated through metabolism, on one hand, the biological surfactants can effectively emulsify thickened oil, reduce the viscosity of the thickened oil and improve the fluidity of the thickened oil; on the other hand, the use amount of a gel breaker and the like in the viscosity reduction system can be reduced, the residue amount of the gel breaker is reduced, and the viscosity reduction system has important significance in increasing the recovery ratio of thickened oil.
Owner:PETROCHINA CO LTD
Water-based epoxy emulsion capable of dissolving and reacting with oil-based curing agent and preparation method thereof
The invention discloses a water-based epoxy emulsion capable of dissolving and reacting with an oily curing agent. The emulsion is prepared from the following components in parts by weight: 50-70 parts of epoxy resin E51-128, 4-8 parts of emulsifier, 1-3 parts of thickening agent, 0.1-0.5 part of a defoaming agent and 30-50 parts of deionized water, wherein the emulsifier is prepared by mixing a reactive emulsifier and other types of emulsifiers in a mass ratio of (3-5): (1-3); and the reactive emulsifier is modified fatty alcohol polyoxyethylene emulsifier. The invention further discloses a method for preparing the water-based epoxy resin emulsion. The method is simple in operation and low in preparation cost; the emulsion has good stability, is compatible with water-based / oil-based curing agents, can comprehensively react with the oil-based curing agent, and has complete curing and good performance after curing.
Owner:苏州宇江新材料有限公司
Benzoyl sulfydryl ester compound as well as preparation method and application thereof
ActiveCN104193659AHigh purityEffective emulsificationThiol preparationEmulsionEmulsion polymerization
The invention provides a benzoyl sulfydryl ester compound and a preparation method thereof as well as an application of the compound as an emulsion polymerization emulsifier. According to the benzoyl sulfydryl ester compound and the preparation method which adopts combined catalysts, the compound as the emulsion polymerization reaction type emulsifier has a good emulsifying effect and has a molecular weight adjusting effect. The emulsifier which is few in residue in the emulsion is an ideal reaction type emulsifier and can be used for preparing high quality polymeric emulsions.
Owner:SHANGHAI DONGSHENG NEW MATERIALS
Artificial foam oil accelerator and flooding method for heavy oil reservoir after steam flooding
ActiveCN106593376BIncrease seepage resistanceFacilitated DiffusionFluid removalDrilling compositionFoamy oilInjection well
Owner:PETROCHINA CO LTD
Composite soil passivator and preparation method thereof
PendingCN114806592AAvoid destructionImprove aggregate structureAgriculture tools and machinesOther chemical processesSodium metasilicateMicrobial agent
The invention discloses a composite soil passivator and a preparation method thereof. The composite soil passivator comprises the following components in parts by weight: 80-100 parts of water, 2-8 parts of blast furnace slag, 1-4 parts of a microbial agent, 10-20 parts of a biological matrix, 2-5 parts of a nutritional agent, 4-6 parts of sepiolite, 5-15 parts of sodium metasilicate pentahydrate and 4-10 parts of a pH regulator. The passivator prepared by the invention is an organic-inorganic composite soil passivator, can effectively fix heavy metals in soil and prevent the heavy metals from entering plants, can also improve the soil environment and improve the soil fertility, and has an obvious passivation effect.
Owner:核工业西南勘察设计研究院有限公司
Oil-based mud flushing fluid for well cementing and preparation method thereof
ActiveCN105315978BStrong emulsifying abilityPlay a drag roleDrilling compositionHydraulic machineryResidual oil
The invention discloses a well cementation oil-based slurry flushing liquid and a preparation method thereof. The flushing liquid comprises the components of, by weight, 100 parts of water, 4-8 parts of a nonionic surfactant, 5-8 parts of an anionic surfactant, 4-5 parts of an amphoteric surfactant, 1-2 parts of Span 80, 1-2 parts of Tween 80, and 0.2-3.5 parts of a tackifying and shear-strength-improving agent. The method comprises the following steps: according to the formula, the tackifying and shear-strength-improving agent is added, and the material is well mixed by stirring; the other components are added, and the mixture is well mixed by stirring, such that the well cementation oil-based mud flushing liquid is obtained. The flushing liquid provided by the invention has certain shearing strength and viscosity. Under the effect of hydraulic machinery, a dragging effect can be performed on oil slurry and oil films. Also, the flushing liquid has high emulsifying effects, and can be used for emulsifying the oil films and residual oil, such that viscose oil-based drilling fluid can be effectively cleaned. The flushing fluid is suitable to be used for flushing oil-based drilling fluid with high plastic viscosity and shearing force.
Owner:CHINA PETROLEUM & CHEM CORP +1
Preparation method of broken rice crystalline fructose
PendingCN114395591AUniform particlesHigh puritySugar derivativesSugar derivatives preparationChromatographic separationGlycan
The invention discloses a preparation method of broken rice crystalline fructose. The preparation method comprises the following steps: (1) pretreatment, (2) liquefaction, (3) saccharification, (4) isomerization, (5) chromatographic separation and (6) cooling crystallization. In the pretreatment process, a colloid mill is adopted for pulping, so that broken rice can be effectively crushed, emulsified, homogenized and filtered to obtain rice pulp with good homogeneity; in the saccharification process, a compound enzyme composed of maltase, isoamylase and pullulanase is adopted for saccharifying liquefied liquid subjected to protease removal under the condition that the pH is 3-6, the quality of syrup is effectively improved, and macromolecular impurities such as glycan and protein can be separated through filtration and separation of a nanofiltration membrane; the crystalline fructose is prepared from the broken rice through the steps of pretreatment, liquefaction, saccharification, isomerization, chromatographic separation, vacuum concentration, cooling crystallization and the like, and the obtained crystalline fructose is uniform in particle, high in purity and high in crystallization rate.
Owner:GUANGXI UNIV +1
Magnetic Mxene microbial carrier material and preparation method thereof
ActiveCN114455690AEasy to optimizeNo pollution in the processBiological treatment apparatusTreatment with microorganism supports/carriersMicroorganismFiltration
The invention discloses a magnetic MXene microbial carrier material which comprises a magnetic MXene material and lecithin in a mass ratio of 5: (2-4), the preparation method comprises the following steps: mixing and stirring Ti3AlC2 powder and an HF solution in a plastic beaker, carrying out centrifugal impurity removal and washing, carrying out stirring reaction in a DMSO solution, and carrying out ultrasonic treatment, suction filtration and vacuum drying to obtain a Ti3AlC2 nanosheet; the preparation method comprises the following steps: carrying out ultrasonic treatment on an iron source and Ti3AlC2 solid powder in water, stirring, centrifuging and drying to obtain Fe3O4 / MXene powder; and adding the Fe3O4 / MXene powder and lecithin into a solvent for reaction to obtain a target product. The preparation process is simple, the prepared material can adsorb suspended solids in oilfield wastewater and effectively increase microbial activity, the wastewater treatment capacity of microorganisms is greatly improved, the material can be recycled under the action of an external magnetic field, and the production cost is reduced.
Owner:NANJING NORMAL UNIVERSITY
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