915 results about "POLYOXYETHYLENE ETHER" patented technology

The invention discloses a high-weather-resistance photocuring coating with radar infrared stealth and intelligent anti-counterfeiting functions and preparation, and relates to the technical field of special functional materials. According to the coating, stealth, anti-counterfeiting and extreme environment tolerance are realized through multi-component collaborative design: matrix resin is prepared by compounding organic fluorine modified epoxy acrylate and polyurethane acrylate, and trifluoro propyl trimethoxy silane and polyoxyethylene ether block copolymer are introduced, so that weather resistance is improved; the photo-initiation system contains a free radical / cation composite initiator and a low-temperature initiator, and supports wide-temperature-range curing. The functional filler comprises a core-shell complex and carbon nanotube / graphene composite powder, and uniform dispersion of the filler is realized through a gradient grinding process. The method is suitable for military equipment camouflage, aerospace protection and criminal investigation anti-counterfeiting, 800-1400 [mu] m thermal radiation matching, radar wave absorption and mobile phone camera readable encryption information are achieved, and an innovative solution is provided for high-end equipment protection and information safety.

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 invention provides a composite surfactant for oil displacement of a hypersalinity oil reservoir and a preparation method of the composite surfactant, and relates to the technical field of petrochemical engineering. The composite surfactant is prepared from the following components in percentage by weight: 0.1 to 0.3 percent of anionic-nonionic surfactant, 0.01 to 0.03 percent of cationic surfactant and the balance of formation water, wherein the anionic-nonionic surfactant is prepared by the following steps: reacting a hydroxyl-containing compound with ethylene oxide to obtain polyoxyethylene ether, then carrying out esterification modification by using aconitic acid modified rosin, then sulfonating by using a sulfonating agent, and finally neutralizing. The composite surfactant shows relatively low interfacial tension under the condition of hypersalinity (50000-200000 mg / L), is high in stability, and can be used for improving the recovery efficiency of hypersalinity oil reservoirs.

The invention relates to the technical field of concrete admixtures, in particular to a viscosity reduction type polycarboxylate superplasticizer and a preparation method thereof. The viscosity reduction type polycarboxylate superplasticizer is formed by polymerizing a comonomer under the action of an oxidizing agent, a reducing agent and a chain transfer agent, the comonomer comprises methoxyallyl polyoxyethylene ether, an air-entraining functional monomer, a viscosity-reducing functional monomer, a silicon-containing functional monomer, unsaturated acid and ferrous sulfate. The polycarboxylate superplasticizer provided by the invention can effectively reduce the viscosity of concrete, so that a concrete mixture has good flowability, workability and wrapping property, meanwhile, the strength of the concrete is not influenced as far as possible, the strength of the concrete is kept at a good level, and the concrete keeps good constructability. Moreover, when the viscosity-reducing polycarboxylate superplasticizer is prepared, the reaction can be completed at the normal pressure of 20-25 DEG C, the preparation steps are simple, the reaction condition is mild, no toxic gas is released, energy can be effectively saved, and the viscosity-reducing polycarboxylate superplasticizer meets the green building material standard.

The invention belongs to the field of coal mine dust falling, and particularly relates to a composite coal dust suppressant spraying system and application thereof. The composite coal dust suppressant spraying system comprises a spraying unit and a dust suppressant solution, the spraying unit comprises a water storage tank, a high-pressure water pump and a wide-angle solid nozzle, the dust suppressant solution at least comprises alkylphenol polyoxyethylene ether and xanthan gum, and the dust suppressant solution is provided with a three-dimensional network structure used for filling coal dust particle gaps. By changing a spraying medium and adding materials into water, the characteristics of wetting, bonding, agglomeration and the like are improved, the composite dust suppressant with an energy-shaped three-dimensional network structure is developed, and a composite dust suppressant spraying system with the wettability, the water retention and the wind erosion resistance cooperatively improved is provided, so that the spraying and dust falling efficiency of a coal mine is improved, and the dust suppression effect is improved. And the problem of reentrainment of dust is solved.

The invention relates to a preparation technology of a multifunctional plastic clothes hanger through cooperation of degradable color master batches and nitrogen filling injection molding, and belongs to the technical field of plastic products. Adding the polylactic acid, the styrene-acrylonitrile copolymer, the modified stone powder, the degradable color master batch and the compound additive into a horizontal helical ribbon mixer, stirring and drying to obtain a mixture; the dried mixture is added into an injection molding machine to be melted and plasticized, a screw pushes melt to be injected into a mold, high-pressure nitrogen is injected into the melt, and the melt is pushed to completely fill a cavity; the plastic clothes hanger is obtained through pressure maintaining, cooling and demolding; the compound additive is prepared from allyl alcohol polyoxyethylene ether, 2-octenyl succinic anhydride, 14-mercaptotetradecanoic acid, anhydrous tetrahydrofuran, 2-hydroxy-4 '-(2-hydroxyethoxy)-2-methyl propiophenone and triethylamine. The preparation method comprises the following steps: preparing the compound additive; the degradable material is adopted, the biodegradation rate is high, the mechanical property is stable, the coloring effect is good, fading is not prone to occurring, and the service life is long.

The invention relates to the technical field of dispersing agents, and particularly discloses a polycarboxylic acid type dispersing agent as well as a preparation method and application thereof. The preparation method comprises the following steps: polymerizing itaconic acid, 2-acrylamide-2-methylpropanesulfonic acid, glycidyl methacrylate, methyl styrene, gamma-methacryloxypropyltrimethoxysilane, the modified hybrid compound, vinyl 2-mercaptopropionate and allyl polyoxyethylene ether to obtain a polycarboxylic acid type dispersing agent; the dispersing agent has excellent dispersing performance and heat resistance, the dispersing agent is not prone to losing efficacy in the high-temperature vulcanization process in the rubber processing process, and when filler and rubber are mixed, the dispersing agent is firmly adsorbed on the surfaces of filler particles through multiple acting forces, so that the dispersing agent is not prone to losing efficacy, and the service life of the dispersing agent is prolonged. The dispersing performance of the filler and the interface bonding force with rubber are improved, so that the filler is uniformly distributed in the rubber, a stable dispersion system is formed, the mechanical property of vulcanized rubber is improved, and the processing fluidity is improved.

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 relates to the technical field of etching solutions, and discloses a molybdenum-aluminum-niobium etching solution for a TFT-LCD (Thin Film Transistor Liquid Crystal Display), which comprises the following components in percentage by mass: 50 to 60 percent of phosphoric acid, 3 to 8 percent of nitric acid, 5 to 10 percent of glacial acetic acid, 1 to 5 percent of aluminum nitrate, 0.1 to 0.5 percent of diphenyl thiourea, 1 to 5 percent of etidronic acid, 3.0 to 5.0 percent of sodium hexametaphosphate, 0.1 to 0.2 percent of fatty alcohol-polyoxyethylene ether, 0.5 to 0.8 percent of amino trimethylene phosphonic acid and the balance of ultrapure water. The invention further discloses a preparation method of the molybdenum-aluminum-niobium etching solution. According to the invention, a phosphorus nitrate vinegar system, a composite additive, a novel corrosion inhibitor, a metal ion chelating agent and a surfactant matched with the etching liquid are adopted, so that the molybdenum-aluminum-niobium multi-layer composite metal film can be simultaneously etched at one time; the etching solution has the advantages of being uniform in etching, capable of inhibiting Mo / Nb etching, high in selectivity, controllable in etching rate, free of residues, long in service life, high in stability and the like.

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 invention discloses a marine nitrogen oxide reducing agent and a preparation method thereof, and belongs to the technical field of marine nitrogen oxide reducing agents, the preparation method comprises the steps of hydrolytic crystallization, dissolution, filtration, fine filtration and ultrafiltration; the hydrolytic crystallization comprises the following steps: mixing industrial urea and tertiary water, stirring at 73-75 DEG C, cooling for the first time, adding dodecynediol polyoxyethylene ether, cooling for the second time, adding a mixed urea solution with the temperature of 62.5-64 DEG C, cooling for the third time, preserving heat, centrifuging, and collecting a precipitate; the nitrogen oxide reducing agent for the ship is produced by adopting the same production equipment as the nitrogen oxide reducing agent for the automobile, the problem of membrane pollution is not easy to occur in production, the production efficiency is high, the production input cost is low, the production energy consumption is low, and the prepared nitrogen oxide reducing agent for the ship meets the standard requirement.

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 application provides a sodium ion battery positive electrode slurry, a positive electrode pole piece and a preparation method thereof and a sodium ion battery, and relates to the technical field of sodium ion batteries, and comprises a positive electrode active material, a conductive agent, a binder, a composite dispersing agent and a solvent; the composite dispersing agent is a product formed by mechanically mixing an ionic dispersing agent and a polyoxyethylene ether non-ionic dispersing agent or a composite formed by a chemical reaction between the ionic dispersing agent and the polyoxyethylene ether non-ionic dispersing agent, wherein the ionic dispersing agent is polyacrylic acid and its derivatives; and the positive electrode active material is a polyanion material. The ionic dispersing agent of polyacrylic acid and its derivatives and the polyoxyethylene ether non-ionic dispersing agent are used in combination in the positive electrode slurry, so that the positive electrode slurry has good dispersibility and stability; the provided positive electrode slurry has good dispersibility, the positive electrode pole piece has low resistance, and the sodium ion battery has excellent cycle performance.

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.

The invention relates to a low-permeability heavy oil composite nano oil displacement agent, which comprises a surfactant, fatty alcohol-polyoxyethylene ether, polyacrylamide, nano particles and water, and comprises the following components: 40%-60% of betaine, 10%-30% of fatty alcohol-polyoxyethylene ether, 20%-40% of polyacrylamide, 2% of nano particles (the particle size ranges from 5 nm to 50 nm), 0.1% of a pH regulator 0.01 and the balance of water. According to the composite nano oil-displacing agent disclosed by the invention, a stable nano particle solution is formed by optimizing the variety and proportion of the surfactant, the variety and proportion of the fatty alcohol-polyoxyethylene ether, the variety and proportion of the polyacrylamide and the variety, size and proportion of the nano particles through complex interaction among the components. The composite nano oil displacement agent is high in stability, and can change the wettability of rock, remarkably reduce the surface tension of an oil-water interface, improve the fluid viscosity, peel residual oil and weaken hydrogen bonds, so that the composite oil displacement agent can pass through a micro-capillary pore throat and enlarge the swept area. In the exploitation of low-permeability common thickened oil, the method can obviously improve the recovery efficiency, has excellent technical and economic advantages, and achieves an excellent effect in the practical application of a certain oil field.

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 belongs to the field of fine chemicals and glass storage, and particularly relates to composite acid, a preparation method and a method for cleaning glass rainbow spots through the composite acid. The preparation method comprises the following steps: sequentially adding 3-5% of acetic acid, 0.1-0.2% of fatty alcohol-polyoxyethylene ether, 0.3-0.5% of disodium ethylene diamine tetraacetate, 0.5-1.5% of hydrofluoric acid, 1.5-3% of concentrated sulfuric acid and the balance of water to a proper amount of water, and uniformly mixing to obtain a composite acid; the method comprises the following steps: completely immersing glass with rainbow spots in a thermal composite acid solution, taking out the glass, cleaning the glass until no composite acid solution is left, adding calcium carbonate into waste liquid after cleaning is completed, and discharging the waste liquid after the pH value of the waste liquid is qualified. The glass cleaning agent has an efficient and comprehensive decontamination effect on glass rainbow spots, impurity ions difficult to remove are not introduced, and cleaned glass is high in light transmittance, low in haze and small in damage to a glass body.

The present application provides a narrow molecular weight distribution PVP copolymer, and a preparation method therefor and a use thereof. The PVP copolymer has the structure represented by formula I. In the present application, NVP monomer and allyl polyoxyethylene ether are subjected to a copolymerization reaction in a redox system, and a sulfonating agent is then added to the resulting copolymer reaction solution to perform sulfonation treatment of the terminal hydroxyl groups, thereby obtaining the PVP copolymer. The present application utilizes the chain transfer effect of allyl polyether to achieve effective control of the molecular weight distribution of the PVP copolymer, and performs strongly polar ionized end-group treatment to improve the segment uniformity of the PVP copolymer. The spatial steric hindrance of the polyether side chains and the charge repulsion of the ionic groups significantly improve the adequacy of chain extension of PVP in the casting solution, so as to increase the exchange rate of the casting solvent and precipitant, and obtain a membrane pore structure with uniform pore size, high porosity, and stable structure.

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.

The application provides a low pour point nonionic surfactant and a preparation method thereof, which is composed of the following raw materials in parts by weight: C13 isomeric fatty alcohol polyoxyethylene ether 18-30 parts, reverse EO / PO block copolymer 10-20 parts, sodium diisooctyl sulfosuccinate 1-7 parts, sodium dodecyl sulfonate 1-5 parts, glyceryl laurate 1-5 parts, isopropyl alcohol 5-10 parts, and propylene glycol 1-5 parts; the formula is constructed based on a nonionic surfactant as a main body, ion surfactants and additives are introduced, and the system is optimized, so that a low pour point nonionic surfactant with excellent adsorption capacity and decontamination capacity is obtained.

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 invention relates to the field of petroleum extraction technology, and discloses a compound and its preparation method, an acrylamide copolymer and its preparation method and application. The compound has the structure shown in formula (1): wherein M is H, sodium, potassium or NH4; 1≤n1≤12, 1≤n2≤19; the compound simultaneously has hydrophilic polyoxyethylene ether and sulfonic acid groups, as well as hydrophobic alkyl long chains, and the interfacial activity can be controlled by adjusting the length of the hydrophilic and hydrophobic segments;

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 tetrapolymer type acidizing retarder and its preparation method and application, it is related to oil and gas exploitation technical field.The retarder is polymerized by acrylamide, sulfonate monomer, allyl polyoxyethylene ether and octadecyl dimethyl allyl ammonium chloride four monomers, other quaternary ammonium salt monomers except octadecyl dimethyl allyl ammonium chloride are not included in the system.By excluding the second quaternary ammonium salt monomer, electrostatic crosslinking caused by polyvalent cation center is cut off, and the viscosity of acid system is reduced to below 4 mPa·s.At the same time, the single quaternary ammonium salt structure unit produces adsorption isolation effect at rock interface, so that the retardation rate under the condition of 110 DEG C is maintained above 82%.The retarder provided by the application has low viscosity, high temperature resistance and salt resistance, and is suitable for high temperature deep well acidizing and fracturing operation.

The invention provides a self-assembled surfactant as well as preparation and application thereof. The preparation method comprises the following steps: adding an anionic surfactant and a nonionic surfactant into a buffer solution, uniformly mixing, and heating until the anionic surfactant and the nonionic surfactant are completely molten, so as to obtain the self-assembled surfactant. Wherein the anionic surfactant is one or more of lignosulfonate, secondary alkyl sulfonate and alpha-olefin sulfonate; the nonionic surfactant is one or more of polyethylene glycol, fatty alcohol-polyoxyethylene ether, polyoxyethylene alkyl ether and polyoxyethylene nonyl phenyl ether. The specific anionic surfactant and the nonionic surfactant are compounded, self-assembly is completed through heating, and the obtained self-assembly surfactant can remarkably improve the enzymolysis efficiency of lignocellulose.

The invention provides a special leveling agent for terylene and blended fabric thereof as well as a preparation method and application of the special leveling agent. The special leveling agent disclosed by the invention is prepared from the following components in percentage by weight: 13 to 26 percent of C12-15 alkyl alcohol polyoxyethylene ether, 12 to 22 percent of modified polyether ester, 4 to 10 percent of phenolic ether sulfate, 17 to 32 percent of salt-tolerant comb-type ampholytic surfactant and 12 to 45 percent of water, wherein the total weight is 100 percent. The special leveling agent for the terylene and the blended fabric thereof is excellent in retarding and migration performance, strong in binding force with dye, good in dispersity, uniform in dyeing and free of dyeing defects; the decoloration is small, and the final coloring of the fabric is not influenced; the emulsion removal effect on mixed oil is good, oil removal is thorough, and oil spots and dyeing defects are not prone to being generated; and the oil-removing and dyeing one-bath agent can be used for an oil-removing and dyeing one-bath process of the polyester-spandex blended fabric under the condition of reuse water, so that the production efficiency is improved, and the carbon emission is reduced.

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.