514 results about "Dioxyethylene Ether" patented technology

The application discloses a thickened oil viscosity reducer for a main viscosity contribution component of colloid and a preparation method thereof. The thickened oil viscosity reducer comprises the following components in percentage by weight: diethylene glycol methyl ether 25-35%, propylene glycol formate 15-25%, dispersant 5-8%, chelating agent 2-4%, anti-coking agent 0.5-1%, anti-swelling agent 1-2% and corrosion inhibitor 1-2%; and the balance is water. The application is a polar + non-aromatic hydrocarbon solvent system; completely avoids high-risk substances such as nonylphenol polyoxyethylene ether, petroleum sulfonate sodium and organic chlorine; is designed in pertinence and can effectively inhibit metal-induced asphaltene bridging; can withstand working conditions from normal temperature to 250 DEG C and up to 300 DEG C; thermal stability is significantly enhanced, and residual carbon after aging is lower than 8%; viscosity reduction efficiency is higher; the system is more stable, flexible in compounding and suitable for field construction.

The present application relates to a kind of polyester FDY spinning oil agent.The polyester FDY spinning oil agent includes: 20wt%-25wt% of coconut oil polyoxyethylene ether, 5wt%-10wt% of fatty alcohol polyoxyethylene ether, 8wt%-15wt% of EL type polyoxyethylene ether, 45wt%-60wt% of smoothing agent, 1wt%-5wt% of antistatic agent and 5wt%-10wt% of water, wherein the number of EO in the coconut oil acid polyoxyethylene ether is 4-30.The polyester FDY spinning oil agent has excellent emulsification stability, wetting property, heat resistance and wear resistance, and the oil film strength is high, and polyester yarn is not easy to produce hair when used for preparation.

The invention discloses bath oil with stability and foamability and a preparation method thereof, and relates to the technical field of daily chemical products. The vegetable oil consists of peony seed oil, grape seed oil and sunflower seed oil in a mass ratio of 1: 2: 2. The bath oil is prepared from the following raw material components in parts by weight: 45 to 50 parts of vegetable oil, 18 to 22 parts of a surfactant, 16 to 18 parts of fatty alcohol-polyoxyethylene ether, 8 to 12 parts of caprylic / capric triglyceride, 1 to 3 parts of span 80, 0.1 to 0.5 part of an antioxidant, 1 to 3 parts of cocamidomethyl MEA and 0.1 to 2 parts of essence. On the basis of the compound vegetable oil, the optimal adaptive surfactant is screened out, then the compound antioxidant is introduced, and the bath oil which is long-acting, stable, high in foaming quality, clean, mild, nourishing and comfortable is effectively formed.

The application discloses a super-long chain (carbon atom number in a hydrophobic tail chain is greater than or equal to 18) polyoxyethylene ether surfactant thickened aircraft deicing and anti-icing liquid and a preparation method. The super-long chain polyoxyethylene ether surfactant thickened aircraft deicing and anti-icing liquid comprises the following components and mass percentages: alcohol 40-69%, deionized water 30-59%, and surfactant 0.2-2.0%, wherein the surfactant is a polyoxyethylene monomethyl ether ester of docosanoic acid (C 22 -350) with the following structural formula: The application obtains a deicing and anti-icing liquid which is good in deicing and anti-icing performance and relatively environment-friendly, solves the problems that a polymer-based deicing and anti-icing liquid is easy to be rehydrated to form a hydrated gel on the surface of an aircraft and that a surfactant itself or other additives cause corrosion on the surface of the aircraft under the premise of ensuring the deicing and anti-icing effect.

The invention relates to the field of pesticides, and particularly discloses a pH-light dual-response nano pesticide and a preparation process thereof. The invention relates to a preparation method of a pH-light dual-response nano insecticide. The preparation method comprises the following steps: adding water into polyethylene glycol, castor oil polyoxyethylene ether and sodium lignin sulfonate to prepare a water phase; the preparation method comprises the following steps: uniformly mixing an efficient cyhalothrin active compound with xylene, and adding diisocyanate to prepare an oil phase; adding the oil phase into the water phase, and adding ethylenediamine, YUS-SC3A, glycerol, xanthan gum, magnesium aluminum silicate and benzoic acid to obtain the lambda-cyhalothrin microcapsule suspending agent. The preparation method comprises the following steps: adding water into YUS-SC3A, uniformly mixing, and adding a clothianidin active compound, glycerol, xanthan gum, magnesium aluminum silicate, AF205 and benzoic acid to obtain a clothianidin suspending agent; mixing the two agents to obtain the nano insecticide, adding the composite dispersant, adding the pre-gel, adding azodiisobutyronitrile, blowing with inert gas, and adding Kathon. By preparing the pH-light dual-response nano insecticide, the insecticidal effect is improved, the generation of drug resistance is avoided, and efficient prevention and control of wheat aphids are realized.

This invention provides a phosphorus-free, multifunctional, environmentally friendly scouring agent, its preparation method, and its application, belonging to the field of textile printing and dyeing technology. The surfactants used in this invention (including 2-ethylhexanol alkyl glycoside, 2-propylheptanol alkyl glycoside, 2-propylheptanol xyloside, and isomeric tridecyl alcohol ether carboxylic acid) are all nonionic surfactants. The resulting phosphorus-free, multifunctional, environmentally friendly scouring agent is easily soluble in water, acid-resistant, resistant to high-concentration strong alkalis, hard water-resistant, low-foaming, and has strong penetrating power. It is widely applicable to cotton and its blended textile processes, achieving excellent whiteness and wicking effect in conventional annealing / scouring / bleaching processes. It contains no alkylphenol polyoxyethylene ethers or organophosphates, causing no environmental pollution and simplifying and making textile pretreatment processes more environmentally friendly.

The application discloses a high-viscosity recycled asphalt mortar based on oil-rich RAP fine materials and a preparation method thereof, and belongs to the technical field of highway engineering materials. The high-viscosity recycled asphalt mortar comprises the following components: oil-rich RAP fine materials, base asphalt, a high-viscosity modifier, a recycling agent and a dissolving agent. The high-viscosity modifier comprises the following components: waste tire rubber powder grafted with GMA (glycidyl methacrylate), BMI (bismaleimide), an adhesive, isooctanol polyoxyethylene ether and sulfur. The waste tire rubber powder grafted with GMA can improve the interfacial bonding strength of the oil-rich RAP fine materials and the base asphalt, thereby improving the water damage resistance of the recycled asphalt mixture. The BMI forms an interpenetrating structure (crosslinking network) among the rubber powder, the oil-rich RAP fine materials and the base asphalt, thereby improving the crack resistance of the recycled asphalt mixture.

The utility model relates to the technical field of castor oil polyoxyethylene ether viscosity determination, in particular to a castor oil polyoxyethylene ether viscosity determination device. The utility model provides a castor oil polyoxyethylene ether viscosity measuring device which can quickly switch the measuring cups filled with castor oil, is convenient for quick measurement, and is simple to operate and convenient to use. A viscosity measuring device for castor oil polyoxyethylene ether comprises a base, an electric telescopic rod and the like, and the upper side of the left portion of the base is connected with the electric telescopic rod. According to the utility model, the motor is started, the gears are driven to rotate, the gears are mutually meshed to move, and the turntable is driven to rotate, so that the measuring cups move below the measuring head, then the rotary viscometer is controlled to move downwards through the electric telescopic rod, and the measuring head rotates to carry out testing, so that the measuring cups filled with castor oil can be quickly switched; rapid determination is facilitated, the operation is simple, and the use is convenient.

The invention relates to an isopentenol polyoxyethylene ether defoaming agent and a preparation method thereof, the defoaming agent is mainly prepared from a cross-linked acrylic copolymer emulsion, an alkali swelling thickener, a modified organic silicon defoaming active matter, a pH regulator (NaOH / KOH), an isothiazolinone bactericide, deionized water and the like in proportion, and the defoaming agent has excellent defoaming performance and stability. A specific auxiliary agent is added. The foam problem of an isopentenol polyoxyethylene ether product in downstream application is solved, and the defoaming agent is mainly applied to defoaming of isopentenol polyoxyethylene ether.

The application discloses an ant-termite drug barrier system for wood composites and a construction method and application thereof, and relates to the technical field of wood composite ant-termite prevention. The ant-termite drug barrier system comprises a drug active ingredient, a nanoscale modified silicon dioxide carrier, a penetration enhancer, an adhesion enhancer and a stabilizer, and the drug barrier can be efficiently constructed on the surface of the wood composite by a vacuum-assisted impregnation method, and the thickness is controllable and the operation is convenient. The nanoscale modified silicon dioxide carrier is combined with a complex system of sodium fatty alcohol polyoxyethylene ether sulfate and alkyl polyglycoside, so that the permeability and adhesion can be significantly improved. The system is suitable for indoor and outdoor environments, can be coated with a waterproof coating to prolong the service life, and can be conveniently repaired when locally damaged; the drug active ingredient is non-toxic or low-toxic, so that an efficient, durable and environmentally-friendly ant-termite solution for wood composites is provided.

This invention discloses a long-lasting, environmentally friendly, fully synthetic cutting fluid for aluminum-magnesium alloys and its preparation method. The cutting fluid comprises 5-15% binary composite polyether lubricant, 0.5-3% nanoparticle additives, 2-8% isooctanol polyoxyethylene ether phosphate, 0.5-2% tannic acid, 2-8% surfactant, 5-15% pH stabilizer, 1-5% corrosion inhibitor, 0.5-2% bactericide, 0.1-1% defoamer, and deionized water. Through the synergistic effect of the compounded lubrication system and nanoparticle additives, this cutting fluid significantly improves lubrication, cooling, and corrosion resistance. It exhibits excellent lubrication, friction reduction, and cooling properties, with an average friction coefficient < 0.073 and a maximum cutting tip temperature ≤ 100℃. It also demonstrates strong corrosion resistance; after immersion at 50℃ for 15 days, the alloy surface shows no change, and the pH remains stable with low bacterial counts during 6 months of use. It can be used for cutting and grinding aluminum-magnesium alloys, achieving long-term operation without the need for fluid changes, and meets environmental protection requirements.

This application relates to a denim washing anti-staining agent and its application, belonging to the field of dyeing and printing auxiliaries technology. The anti-staining agent is composed of the following components in parts by weight: 5-15 parts of polymeric dispersant, 5-10 parts of anionic dispersant, 3-5 parts of isomeric tridecyl alcohol polyoxyalkylene ether, 3-5 parts of fatty amine polyoxyethylene ether, 0.5-2 parts of polyether defoamer, with the balance being water. This application endows the product with excellent immediate anti-staining ability and outstanding continuous processing stability, and is suitable for the cellulase washing process of denim.

The application discloses a kind of piperazine compound polyoxyethylene ether composition and preparation method thereof, it is related to polyoxyethylene ether material technical field.The piperazine compound polyoxyethylene ether composition includes the following weight parts of raw materials: piperazine compound polyoxyethylene ether 30-40 parts, antioxidant 1-1.5 parts, deionized water 35-45 parts.The application is generated intermediate 1 by 1,4-di (2-chloroethyl) piperazine and 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro-1-octane amine reaction;Intermediate 1 and 8-chlorooctanoic acid reaction generate intermediate 2;Intermediate 2 and lauryl alcohol polyoxyethylene ether reaction generate piperazine compound polyoxyethylene ether.The piperazine compound polyoxyethylene ether composition prepared by the application has good surface tension and chemical corrosion resistance.

This invention discloses a leveling agent for hot-dip galvanizing of columns and its preparation method, belonging to the field of galvanizing technology. The method involves weighing, by weight, a polyamine pyridine quaternary ammonium salt, 1,3-propanediaminetetraacetic acid (PPTA), a leveling agent, isomeric tridecyl alcohol polyoxyethylene ether (ITO), disodium ethylenediaminetetraacetate (EDTA), and deionized water. The deionized water is heated, and ITO and EDTA are added sequentially, stirring to obtain a composite solvent. The polyamine pyridine quaternary ammonium salt is then added, and stirring continues. 1,3-PPTA is added and stirred, and the leveling agent is added in 3-5 portions. After cooling, the leveling agent for hot-dip galvanizing of columns is obtained. The leveling agent prepared by this invention can significantly improve the surface forming quality of the galvanized coating. The surface roughness Ra value of the coating obtained after applying this leveling agent is between 0.15 and 0.18 μm, resulting in a smooth and flat surface, effectively improving the surface quality of hot-dip galvanized columns.

The application belongs to the technical field of materials, and discloses a special aluminum powder dispersing agent for aluminum foil rolling oil, which is composed of the following components and in the following proportions: base oil: 10-20 parts; surfactant: oleic acid diethanol amide: 40-60 parts; fatty amine polyoxyethylene ether: 10-30 parts; lubricating cleaner: dimer acid: 5-15 parts; and guerbet alcohol: 10-20 parts. The aluminum powder dispersing agent adopts oleic acid diethanol amide and T13 surfactant which have sufficient dispersion effect on aluminum powder, so as to reduce the pollution caused by aluminum powder accumulation after rolling of the aluminum foil; through introduction of the dimer acid and the guerbet alcohol, the lubricating performance of the rolling oil is improved, the oil amount on the surface of the aluminum foil after rolling is reduced, the surface cleanliness of the aluminum foil is improved, and thus the surface leakage coating condition of the aluminum foil is improved.

The invention relates to a halogen-free heavy oil removal surfactant and a preparation method thereof, and belongs to the technical field of surfactants. The heavy oil removal surfactant is prepared from fatty alcohol-polyoxyethylene ether, hydrophilic alkyl quaternary ammonium salt, a glycosyl nonionic surfactant and an alcohol compound, the glycosyl nonionic surfactant is prepared by sequentially carrying out hydrophobic amidation and hydrophobic epoxy addition on lactobionic acid lactone; the heavy oil removal surfactant is good in oil removal effect, safe, free of halogen and small in corrosivity, and the use performance is improved through compound use of the fatty alcohol-polyoxyethylene ether, the hydrophilic alkyl quaternary ammonium salt and the glycosyl nonionic surfactant.

The application discloses an aluminum alloy cleaning agent and a preparation method and application thereof, and belongs to the technical field of cleaning agents. The aluminum alloy cleaning agent comprises the following raw materials in parts by weight: 7-12 parts of ionic surfactant A, 3.5-6 parts of non-ionic surfactant B, 0.2-3 parts of a dispersing solubilizing agent, 0.8-1.5 parts of a penetrating agent, 3-6 parts of a chelating agent, 0.2-2 parts of an inhibitor, 0.01-0.05 parts of a defoaming agent and 67-83 parts of deionized water. The non-ionic surfactant A comprises at least one of a fatty alcohol polyoxyethylene ether and a nonylphenol polyoxyethylene ether. The non-ionic surfactant B comprises a sorbitan fatty acid ester. The dispersing solubilizing agent comprises a polyhydric alcohol. The aluminum alloy cleaning agent can effectively improve cleaning power, avoid aluminum alloy tarnishing, and is environmentally friendly. The application further provides a preparation method and application of the aluminum alloy cleaning agent.

The invention discloses a method for preparing a water-based antioxidant emulsion, which comprises the following steps: (1) mixing an effective component and hydrophilic polyether modified silicone oil, stirring and ball-milling at normal temperature, adding polyethylene glycol, and homogenizing at high speed at normal temperature to form a uniform mixed system; (2) stirring and mixing the mixed system, fatty alcohol-polyoxyethylene ether and water, performing three-stage high-pressure homogenization at normal temperature, adding cocamidopropyl betaine, and performing constant-pressure high-pressure homogenization at normal temperature to obtain a water-based antioxidant emulsion; wherein the effective component is one or more of an antioxidant, an ultraviolet light absorber or a light stabilizer. According to the method for preparing the water-based antioxidant emulsion, the water-based antioxidant emulsion has applicable particle size and good particle size distribution and is good in dispersion uniformity and stability; the preparation method is simple and wide in applicability.

The present invention relates to the technical field of textile finishing. Specifically disclosed are a fabric restorer for old clothes, a preparation method therefor, and a method for using same. The fabric restorer for old clothes comprises the following components in parts by weight: 15-25 parts of fluoroalkyl-modified amino silicone oil, 5-10 parts of polyether-modified vinyl silicone oil, 2-5 parts of fatty alcohol polyoxyethylene ether, 3-10 parts of sodium diisooctyl sulfosuccinate, 0.5-2 parts of fatty alcohol polyoxyethylene ether sodium sulfate, 5-10 parts of glycerol, and 50-75 parts of water, wherein the fluoroalkyl-modified amino silicone oil is mainly prepared from the following raw materials in parts by weight: 90-100 parts of a first organic silicon monomer, 1-5 parts of a first silane coupling agent, 1-5 parts of a fluoroalkyl monomer, and 0.001-0.2 parts of a first catalyst, the first silane coupling agent being a methoxysilane coupling agent or an ethoxysilane coupling agent, and the fluoroalkyl monomer being selected from a fluorine-containing acrylate or a fluorine-containing methacrylate. The fabric restorer for old clothes of the present invention can form a micro-coating membrane on the surfaces of the fibers of old clothes, thereby improving the strength and elasticity of the old clothes and deepening the color thereof. Moreover, the fabric restorer for old clothes of the present invention can achieve a renewal treatment by means of soaking or spraying at room temperature, and is thus convenient to use.

The invention belongs to the technical field of metal processing lubrication, and provides high-extreme-pressure anti-wear emulsion type expanding oil and a preparation method of the high-extreme-pressure anti-wear emulsion type expanding oil. Comprising the following steps: compounding naphthenic base oil, polyalkyl benzyl sulfide, vulcanized vegetable oil, sodium dodecyl benzene sulfonate, octylphenol polyoxyethylene ether, benzotriazole and methyldiethanolamine according to specific parts by mass to construct a carrier-extreme pressure-emulsification-corrosion prevention integrated system; wherein the naphthenic base oil (the kinematic viscosity at 40 DEG C is 350-400 mm / s) provides a stable carrier, the polyalkyl benzyl sulfide (the sulfur content is 20-30%) is a chloride-free extreme pressure core, the composite emulsifier ensures the stability of the system, and efficient protection is realized through double-component corrosion prevention; according to the invention, the 3% emulsion can be stably placed for more than or equal to 2 weeks, the maximum non-seizure load is more than 1800N, the emulsion is suitable for expanding large-diameter steel pipes made of Q235A, X70 / X80 and the like and cold forming processing of metal, the problems of insufficient extreme pressure, unstable emulsification, poor environmental protection property and the like of the existing product are solved, and the processing quality and efficiency are improved.

The application discloses a preparation method of a two-component epoxy pouring resin, which comprises a component A and a component B, the component A and the component B are prepared respectively during preparation, and the component A and the component B are mixed according to a formula during use; wherein the component A comprises liquid epoxy resin, castor oil polyoxyethylene ether modified solid epoxy resin, epoxy active diluent and heat-conducting filler, the component B comprises a curing agent, the castor oil polyoxyethylene ether modified solid epoxy resin is generated by carrying out a hydroxyl condensation reaction between hydroxyl groups in castor oil polyoxyethylene ether with a molecular weight of 3500 and solid epoxy resin with a molecular weight of 2000 and containing hydroxyl groups; the epoxy pouring resin prepared by the method has good heat conductivity, and the heat-conducting filler basically does not have a sedimentation phenomenon during storage and use, the viscosity is moderate, the pouring process is suitable, and the epoxy pouring resin is applied to a transformer.

The invention provides an ardealite reverse flotation collecting agent and a preparation method and application thereof, and belongs to the field of phosphorus chemical solid waste treatment, the ardealite reverse flotation collecting agent comprises the following components by weight: 40-60 parts of alkyl ammonium bromide, 10-20 parts of alkylphenol polyoxyethylene ether, 10-20 parts of non-polar hydrocarbon oil, 10-15 parts of vinyl trimethoxy silane, and 10-20 parts of a polysaccharide agent. Through the reasonable proportion of the components, the separation effect of CaSO4. 2H2O, silicon dioxide, black organic carbon and other impurities is remarkably improved, the whiteness and purity of CaSO4. 2H2O are improved, the collecting agent has the advantages of being high in flotation efficiency, low in dosage, high in collecting capacity and the like, and meanwhile the collecting agent is simple and feasible in preparation method, low in cost and high in industrial application value.

The application discloses a marine-derived cholesterol oxidase and a preparation method and application thereof, and relates to the technical field of biology. The amino acid sequence of the marine-derived cholesterol oxidase (SkChOx) is shown in SEQ ID NO. 1 or 3, the specific enzyme activity of the marine-derived cholesterol oxidase can reach 31.9 U / mg, the marine-derived cholesterol oxidase has excellent anti-reverse performance, maintains high stability in the pH range of 5.0-10.0, has good temperature tolerance, organic solvent tolerance and metal ion tolerance, and exhibits unique salt activation effect and salt tolerance. The enzyme is compounded with dithiothreitol (DTT) and nonylphenol polyoxyethylene ether (NP-40) to form a liquid enzyme preparation, and after incubation at 37 DEG C for 7 days under accelerated conditions, the catalytic activity of the liquid enzyme preparation still remains about 87%, the liquid enzyme preparation has excellent long-acting storage stability, and has wide application prospects in the fields of clinical diagnosis, food physical and chemical inspection, biosensor development and industrial preparation of steroid drugs.

The invention discloses a method for synthesizing biphenol in a water phase, belongs to the technical field of fine chemical engineering, and aims to solve the explosion safety risk caused by the use of an organic solvent in the conventional alkylphenol oxidative coupling process. According to the method, a phase transfer catalysis system composed of boric acid, Tween-80, dodecylphenol polyoxyethylene ether and copper chloride is adopted, water serves as a solvent, oxygen or air is introduced at the temperature of 60-90 DEG C, alkyl phenol is subjected to an oxidative coupling reaction to generate alkyl biquinone, and then biphenol is prepared through hydrogenation reduction. The method thoroughly avoids the use of an organic solvent, eliminates the hidden danger of explosion from the source, and has the advantages of high intrinsic safety, environmental friendliness and low cost.

This invention relates to a high-necked fabric, its finishing process, and garments containing the high-necked fabric. The finishing process includes the following steps: drying and sieving washed leaves and branches of *Nelumbo nucifera* to obtain dried material; subjecting the dried material to pyrolysis treatment; cooling and grinding to obtain *Nelumbo nucifera* biochar; the raw materials for preparing the finishing reagent, by weight, include 15-25 parts of aqueous polyurethane emulsion, 6-12 parts of *Nelumbo nucifera* biochar, 4-8 parts of hydroxyl silicone oil, 1-3 parts of citric acid, 3-8 parts of nano-titanium dioxide, 2-5 parts of chitosan quaternary ammonium salt, 1-3 parts of silane coupling agent, 1-2 parts of fatty alcohol polyoxyethylene ether, 1-3 parts of sodium hexametaphosphate, 1-5 parts of acetic acid, and 50-60 parts of deionized water. The high-necked fabric of this invention has good abrasion resistance, waterproof performance, and antioxidant properties, and can be used for the collars or cuffs of down garments and sportswear, with broad market application prospects.

This invention discloses an environmentally friendly multifunctional stainless steel cleaning agent and its preparation method, belonging to the technical field of stainless steel surface cleaning materials. The method involves grinding diatomaceous earth into powder, drying it, calcining it, cooling it, and then sieving it to obtain diatomaceous earth powder. The diatomaceous earth powder, a portion of water, polyacrylic acid, polyvinyl alcohol, polydimethylsiloxane, and silica are mixed and then ball-milled to obtain a ball mill slurry. The ball mill slurry, fatty amine polyoxyethylene ether, lauric acid diethanolamide, and glycolic acid are added to a reaction vessel, heated and stirred, and then cooled to obtain mixture A. Carboxymethyl cellulose, sodium tripolyphosphate, calcium lignosulfonate, glycerol phospholipids, and the remaining water are added to mixture A, heated and stirred, and then cooled to obtain the environmentally friendly multifunctional stainless steel cleaning agent. This cleaning agent is water-based and does not contain strong acids, strong alkalis, or other chemicals, avoiding secondary corrosion of stainless steel. The preparation method is simple and suitable for mass production.

The invention relates to the technical field of mineral flotation, and discloses a method for compounding a lithium oxide collecting agent in a low-temperature environment, and the lithium collecting agent comprises the following compounding raw materials in percentage by mass: 15-25% of palmitic acid soap; 10%-20% of sulfonated petroleum; 5% to 10% of iso-tridecanol polyoxyethylene ether; 8%-15% of fatty alcohol-polyoxyethylene ether; 3%-8% of polyoxyethylene ether sodium sulfonate; 5%-10% of dipropylene glycol monomethyl ether; 8%-15% of sodium carbonate; 2%-5% of sodium hydroxide; 0.5%-2.0% of sodium fluoride; 0.5%-2.0% of aluminum sulfate; 1%-4% of tannic acid; a synergistic surfactant system is formed by constructing palmitic soap and sulfonated petroleum as a main collecting frame and compounding isomeric alcohol ether, fatty alcohol-polyoxyethylene ether and polyoxyethylene ether sodium sulfonate, dipropylene glycol monomethyl ether is introduced as a low-temperature mutual solvent, and the low-temperature mutual solvent is used for collecting the high-temperature-resistant oil-displacing agent for the oil-displacing oil-displacing agent for the oil-displacing oil-displacing oil-displacing oil-displacing oil-displacing oil-displacing oil-displacing oil. The freezing point and viscosity of a collecting agent system are greatly reduced, the liquidity, uniformity and dispersion stability of the collecting agent are still kept when the collecting agent is used in the low-temperature environment of 0-15 DEG C, and the failure problem caused by low-temperature solidification or layering is fundamentally avoided.

The application relates to a high-salt-resistant and shear-resistant double-network fracturing fluid thickening agent and a preparation method thereof, relates to the technical field of oilfield chemistry and fine chemistry, and comprises the following steps: crosslinking and polymerizing non-ionic monomers and a crosslinking agent under the action of an initiator to form a first network structure, and utilizing a flexible polymer filled in the first network structure to form a second network structure. The flexible polymer is alkyl phenol polyoxyethylene ether. The flexible chain in the alkyl phenol polyoxyethylene ether structure still retains the function of a "sacrificial bond", can absorb the damage of high shear and high temperature to the rigid network structure, and enables the system to still have good resistance performance under the condition of no metal crosslinking. Meanwhile, due to the existence of benzene rings in the alkyl phenol polyoxyethylene ether structure, the pi-pi stacking effect can be increased on the basis, the intermolecular force is strengthened, and the resistance of the double-network structure is further improved. The double-network fracturing fluid thickening agent is simple in preparation, excellent in performance and high in practical value.

This invention relates to the field of in-situ leaching uranium injection and oxidative leaching technology, and discloses a method for dissolved oxygen injection in in-situ uranium leaching. The method involves adding an oxygen-enriched injection medium containing fatty alcohol polyoxyethylene ether, a second interface conditioning component, a liquid phase oxygen migration conditioning component, and water to the injection water. Under pressurized conditions, the medium is contacted with oxygen for dissolved oxygen treatment, resulting in an oxygen-enriched injection solution, which is then injected into the ore layer. Simultaneously, the composition of the injection system, dissolved oxygen process parameters, and flow rate distribution at each injection point are synergistically controlled to improve oxygen stability and utilization efficiency, reduce the incidence of gas blockage, and enhance uranium leaching stability and uranium mining efficiency.

Disclosed in the present invention are an acrylate emulsion for a polymer cement waterproof coating, a raw material composition thereof, a preparation method therefor, and a use thereof. The raw material composition comprises the following components in parts by weight: 3-4.5 parts of sodium dodecyl diphenyl ether disulfonate, 1.5-2.5 parts of acrylamide, 2-4 parts of fatty alcohol polyoxyethylene ether, 2-4 parts of polyethylene glycol dimethacrylate, 1-2 parts of acrylic acid, 0.5-1 part of titanium triisostearoylisopropoxide, 40-60 parts of acrylate, 0.5-1 part of sodium persulfate, 50-60 parts of deionized water, and 0.1-0.3 parts of a 10% sodium hydroxide solution. The acrylate emulsion prepared by the present invention has excellent performance and good dispersibility, and a polymer cement waterproof coating prepared by using the emulsion of the present invention has lower viscosity and better workability.