894 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 invention discloses a neutral organic chelating cleaning agent for a boiler, and belongs to the field of chemical cleaning of boiler superheaters of thermal power plants. The cleaning agent is prepared from the following components in percentage by weight: 0.5%-5% of ethylenediamine tetraacetic acid ammonium, 0.1%-4% of acetic acid or ammonium acetate, 0.1%-3% of glycollic acid ammonium or glycollic acid, 0.1%-5% of a pH regulator, 0.1%-1% of a cosolvent, 0.2%-0.8% of a corrosion inhibitor SH369, 0.1%-0.6% of a reducing agent, 0.0%-0.3% of a defoaming agent, 0.0%-0.2% of a surfactant and 84%-93% of water, wherein the pH value of the cleaning agent is 6-8; the cosolvent is tartaric acid and / or hydroxybutyl diacid, the surfactant is nonylphenol polyoxyethylene ether, and the reducing agent is hydrazine. The cleaning agent disclosed by the invention has good dissolving capacity on oxide skin, does not generate precipitates to cause pipe blockage, is a neutral solution, is very small in corrosivity, does not generate intergranular corrosion, is beneficial to protecting various pipes of superheaters and reheaters, and is a safe and efficient superheater cleaning agent.

The invention discloses a waterborne polyurethane-urea dispersion with high brushing property as well as a preparation method and application of the waterborne polyurethane-urea dispersion. According to the waterborne polyurethane-urea dispersion, more hydrophilic ion groups are enriched to the surfaces of latex particles by controlling reaction sites of an amine compound with hydrophilicity or hydrophilic potential and an isocyanate group, and fatty alcohol-polyoxyethylene ether with a specific structure is matched. The waterborne polyurethane-urea dispersion prepared by the preparation method disclosed by the invention is excellent in brushing performance, and can be applied to the field of adhesives, and other properties are slightly influenced.

The invention relates to the technical field of paint removers, and particularly discloses a paint removal composition, a paint stain cleaning agent and application of the paint stain cleaning agent. The paint stain cleaning agent provided by the invention is prepared from the following components in parts by weight: 30 to 40 parts of EDTA-2Na (Ethylene Diamine Tetraacetic Acid), 200 to 300 parts of caustic soda flakes, 140 to 170 parts of sodium alcohol ether sulphate, 160 to 180 parts of sodium xylene sulfonate, 400 to 450 parts of monoethanolamine, 1100 to 1300 parts of diethylene glycol monobutyl ether, 250 to 300 parts of limonene, 40 to 100 parts of saponin extract and 3700 to 3900 parts of water, the saponin extract is selected from one or more of soapnut saponin, fenugreek saponin and aescin; the invention further provides a paint stain cleaning agent prepared from the paint removal composition and application of the paint stain cleaning agent to cleaning of protective clothing. The paint stain cleaning agent provided by the invention can quickly permeate into paint and the contact surface of the paint and protective clothing, so that the paint on the surface of the protective clothing is dissolved and effectively stripped.

The invention relates to a polycarboxylic acid water reducer and a preparation method thereof, and the water reducer is prepared from the following raw materials: 45 to 55 percent of isopentenyl polyoxyethylene ether, 28 to 35 percent of acrylic acid, 1.5 to 2.5 percent of modifier, 0.3 to 0.5 percent of ammonium persulfate, 0.03 to 0.06 percent of ascorbic acid, 5 to 8 percent of hydroxyethyl methylacrylate, 0.15 to 0.25 percent of 2, 4-diphenyl-4-methyl-1-pentene and the balance of water. The modifier is prepared from the following raw materials: 1, 5-dichloronaphthalene, p-nitrostyrene, dimethyl sulfate, ceric ammonium nitrate and tetramethylpiperidine oxide. The polycarboxylate superplasticizer has excellent neat paste fluidity and fluidity retention capability, has low 1h time-dependent variable slump which is below 18mm and optimally 10mm when applied to concrete, has a water-reducing rate of more than 40% and a gas content of less than 3.8%, and also has more advantages in compressive strength ratio.

The invention relates to formic acid solder paste with the ultralow air hole rate and a preparation method and application of the formic acid solder paste. The solder paste is prepared from, by mass, 85%-90% of alloy welding powder and 10%-15% of scaling powder. The soldering flux comprises the following raw materials in parts by weight: 5-10 parts of an activating agent, 1-5 parts of a rheological agent, 30-40 parts of an organic solvent, 20-30 parts of a paste forming agent, 3-5 parts of a surfactant and 0.1-0.5 part of a corrosion inhibitor, and the surfactant is a composition of a lauryl amphoteric imidazoline surfactant, iso-tridecanol polyoxyethylene ether and N-vinyl caprolactam. The activating agent is a composition of ricinoleic acid, ethylenediaminetetraacetic acid and ammonium succinate. The surface active agent and the activating agent in the soldering flux have a synergistic effect, so that the cleanliness of the welding surface and the soldering flux is ensured, the wettability and the flowability are improved, cavities are reduced, the soldering flux is uniformly spread and filled, high-quality welding spots are formed, and the voidage of solder paste is remarkably reduced.

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 discloses high-temperature-resistant polyester spinning oil as well as a preparation method and application thereof, and belongs to the technical field of spinning oil. The high-temperature-resistant polyester spinning oil is prepared from the following raw materials in parts by mass: 30 to 70 parts of smoothing agent, 26 to 45 parts of emulsifier, 2 to 5 parts of antistatic agent, 8 to 30 parts of diluting solvent, 0.2 to 0.6 part of antioxidant, 0.2 to 0.8 part of pH regulator and 0.2 to 1.0 part of water, the smoothing agent is prepared from at least one of polyglycerol ricinoleate and pentaerythritol oleate; the emulsifier comprises at least one of castor oil polyoxyethylene ether, polyoxyethylene ether dioleate, polyoxyethylene ether monooleate and sorbitan fatty acid ester. The high-temperature-resistant polyester spinning oil provided by the invention has the advantages of small volatilization amount at high temperature, small smoke, excellent high-temperature decomposition resistance, effective reduction of coking, and improvement of the stability and quality of polyester fibers under high-speed spinning.

The invention belongs to the technical field of building materials, and particularly relates to a silane modified starch-based polycarboxylate superplasticizer and a preparation method thereof. The water reducing agent is prepared by taking renewable sulfonated starch as a raw material, performing graft modification through vinyltriethoxysilane (A151), introducing active double bonds into starch molecules, and then copolymerizing with monomers such as isopentenol polyoxyethylene ether (TPEG) and acrylic acid. Compared with the prior art, the mixing amount of the vinyltriethoxysilane (A151) is only 1%-5% of the mass fraction of the acrylic acid, the mixing amount is low, and the cost is saved; the water reducing and dispersing performance of the starch-based polycarboxylic acid water reducing agent is improved, and a certain viscosity reducing effect is achieved.

The application belongs to the field of leather auxiliaries, and particularly relates to a kind of anti-stain, sound-damping and touch agent for leather and a preparation method thereof. The preparation method comprises the following steps: mixing double allyl polyether, allyl methacrylate, a catalyst and hydrogen-terminated polydimethylmethylhydrogen siloxane, then heating and reacting to obtain an intermediate; mixing the intermediate with isomeric tridecanol polyoxyethylene ether 1305 and isomeric tridecanol polyoxyethylene ether 1307, then heating, stirring and dispersing, and adding deionized water to continue stirring and dispersing. The anti-stain, sound-damping and touch agent for leather does not contain fluorine in the structure, so it is not limited in use due to the fluorine ban. In addition, different from conventional hyperbranched, the present application adopts silicon-hydrogen addition hyperbranched, which is more flexible in structure design, has a larger silicon crosslinking density, can achieve better anti-stain and sound-damping effects, and can improve the physical properties of the finishing system. The touch of the anti-stain, sound-damping and touch agent for leather can be adjusted to a large extent, and it is more widely applicable.

The invention relates to the technical field of textile chemicals, in particular to an electrolyte-resistant printing thickening agent for improving the coloring effect and a preparation method thereof.The electrolyte-resistant printing thickening agent is prepared from, by weight, 10-20 parts of methacrylic acid, 15-30 parts of triethanolamine, 0.1-0.5 part of N, N '-methylene bisacrylamide, 4-8 parts of functional monomers and 2-5 parts of organic modified nano bentonite. 3-6 parts of an emulsifier, 0.1-0.6 part of sodium hydrogen sulfite, 0.1-0.6 part of sodium persulfate, 8-15 parts of an oil-phase solvent, 2-5 parts of a reverse-phase emulsifier and 30-50 parts of water; the functional monomer is prepared from p-styrene propanesulfonic acid, 2-acrylamide-2-methyl propanesulfonic acid and triphenylethyl phenol polyoxyethylene ether methacrylate according to the weight ratio of (3 to 5) to (1 to 2) to 1. According to the electrolyte-resistant printing thickening agent capable of improving the coloring effect, through matching and combination of the raw materials, the electrolyte resistance of the thickening agent can be improved, and the coloring effect in textile printing is improved.

The invention belongs to the technical field of desulfurizer preparation, and particularly relates to an oil field composite desulfurizer and a preparation method thereof. The compound desulfurizer for the oil field is prepared from the following raw materials in percentage by mass: 12 to 14 percent of 6-tridecyl-1, 3, 5-triazine-2, 4-diamine, 25 to 27 percent of tetramethylguanidine lactate, 7 to 9 percent of glutamic acid-N, N-ferric diacetate, 3.6 to 4.0 percent of sodium dioctyl sulfosuccinate, 1.0 to 1.3 percent of glyceryl polyoxypropylene polyoxyethylene ether and the balance of water. The compound desulfurizer for the oil field has the advantages that the desulfurization speed is high, the desulfurization depth and durability are considered, and the problems that a traditional desulfurizer is easy to emulsify and poor in compatibility with crude oil are solved.

The invention relates to the technical field of flotation, and discloses a spodumene flotation reagent and a preparation method thereof, and the spodumene flotation reagent comprises sulfonated oleic acid, phosphonic acid modified oleic acid hydroximic acid, peroxyoleic acid soap, fatty acid polyoxyethylene ether, polyether amine and an alcohol compound. According to the flotation reagent provided by the invention, the phosphonic acid modified oleic hydroximic acid is introduced, so that the phosphonic acid modified oleic hydroximic acid and spodumene can form a stable chelate on the basis of retaining the collecting property of carboxylic acid groups, and the problem of poor selectivity caused by single addition of oleic acid can be avoided; and by introducing sulfonated oleic acid, fatty acid polyoxyethylene ether and polyether amine, the collecting capacity of metal ions on the surface of spodumene can be enhanced, and flotation is facilitated.

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 aluminum electrolytic capacitor electrolyte processing, in particular to a high-performance aluminum electrolytic capacitor electrolyte and a preparation method thereof. The invention discloses a water-soluble conductive agent, which is prepared from the following raw materials in percentage by weight: 5 to 10 percent of conductive salt, 0.1 to 2 percent of corrosion inhibitor, 3 to 5 percent of butyl-terminated fatty alcohol-polyoxyethylene ether, 2 to 5 percent of polyacrylic acid-polyacrylamide diblock copolymer, 0.5 to 2 percent of additive, 0.5 to 2 percent of straight-chain polycarboxylic acid, 6 to 10 percent of ionic liquid and the balance of solvent, the butyl-terminated fatty alcohol-polyoxyethylene ether has the structural formula of R-O-(CH2CH2O) xCH2CH2OBu, r represents a fatty alcohol group, is C12-18 alkyl, and is a straight chain or a branched chain; n is the addition number of ethylene oxide, and x is equal to 10-50; through the synergistic effect of the components in the formula, a stable and efficient electrolyte system is formed, the performance and reliability of the aluminum electrolytic capacitor in severe environments such as high temperature and low temperature are remarkably improved, the service life of the aluminum electrolytic capacitor is prolonged, and the requirements of modern electronic equipment for high-performance capacitors are met.

The invention provides a catalytic viscosity reduction system for improving interfacial tension of super-heavy oil and a preparation method of the catalytic viscosity reduction system. The viscosity reduction system comprises the following components in parts by weight: 0.5-1 part of a poly-surfactant, 0.5-2 parts of a nano-copper catalytic system, 0.5-1 part of fatty alcohol-polyoxyethylene ether, 0.2-0.4 part of polyethylene glycol, 0.1-0.5 part of a modified nano-surfactant and 100 parts of water. On one hand, emulsification viscosity reduction is achieved through the synergistic effect of the poly-surfactant and the fatty alcohol-polyoxyethylene ether, and on the other hand, metal catalytic cracking viscosity reduction is conducted through the nano-copper catalytic system, so that the viscosity of the thickened oil is greatly reduced, the thickened oil has the high viscosity reduction rate at the low temperature and the high temperature, and the viscosity reduction rate is 96% or above according to indoor evaluation. The interfacial tension is reduced by compounding the nonionic surfactant fatty alcohol-polyoxyethylene ether and ethylene glycol, and the oil-water interfacial tension can be reduced to 10 <-2 > mN / m or below through the synergistic effect of the surfactant and the modified nano-surfactant, so that oil-in-water emulsion is favorably formed, the viscosity reduction effect is improved, and the fluidity of crude oil is improved.

The invention relates to the technical field of biological agriculture, in particular to a streptomyces roseoflavus NKZ-259 soluble concentrate as well as a preparation method and application thereof. According to the invention, by screening different types of chemical surfactants, two safe and compatible synergistic aids, namely alkyl polyglucoside and / or fatty alcohol-polyoxyethylene ether sodium sulfate, are finally screened out. In the formula provided by the invention, alkyl polyglucoside and / or fatty alcohol-polyoxyethylene ether sodium sulfate are / is used as an interface performance synergist, so that the wetting, spreading and adhesion capabilities of the streptomyces roseoflavus NKZ-259 on crop leaves can be remarkably improved; after the alkyl polyglucoside and the fatty alcohol-polyoxyethylene ether sodium sulfate are combined with the streptomyces roseoflavus NKZ-259, a remarkable synergistic effect can be realized. Moreover, the soluble concentrate provided by the invention is good in compatibility of all components and good in storage stability, and the disease-resistant effect of the streptomyces roseoflavus NKZ-259 can be remarkably improved.

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.

The application discloses an influenza virus extraction diluent and application thereof, and the diluent comprises Na2HPO4*12H2O, NaH2PO4*2H2O, NaCl, Proclin 300, ethylenediaminetetraacetic acid disodium salt dihydrate, polyoxyethylene-8-octylphenyl ether and alkylphenol polyoxyethylene ether. The polyoxyethylene-8-octylphenyl ether and the alkylphenol polyoxyethylene ether added in the diluent improve the virus extraction capacity, enhance the stability of the product, save the cost and time, provide a reference value for other products, prolong the product service life for customers, reduce the limitation, are more suitable for the temperature, and have greater market value.

The invention provides a low-consumption wet smelting process for flotation zinc oxide concentrate, which comprises the steps of pretreatment, low-acid leaching and post-treatment, and specifically comprises the following steps: adjusting the mass concentration of the raw material flotation zinc oxide concentrate to be 15-45%, adding an ultrasonic-synergistic stripping agent, and stirring uniformly; reacting for 5-45 minutes under an ultrasonic stirring condition to obtain ore pulp a; the ultrasonic-synergistic stripping agent is prepared from alkylbenzene sulfonate, octylphenol polyoxyethylene ether and persulfate; a decarburizing agent and a particle enhancer are added into the ore pulp a, the pH value is adjusted to 8.5-9.5, fine air is introduced for 5-10 min, and zinc oxide concentrate b is obtained through solid-liquid separation; waste electrolyte and / or waste acid are / is added into the zinc oxide concentrate b for a leaching reaction, and leaching liquid c is obtained; and the leaching solution c is subjected to neutralization iron removal and zinc powder replacement impurity removal, and then a zinc ingot is obtained.

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 a modification method of a warm-keeping anti-migration down feather fiber material, and belongs to the technical field of feather fiber treatment. Down feather is activated through sodium bicarbonate and fatty alcohol-polyoxyethylene ether, bottom layer anchoring and protection are carried out through PDA-PEI, dynamic covalent cross-linked network construction is carried out through a modification liquid I, and hydrophobic aerogel loading is carried out through a modification liquid II. The modified liquid I contains polyvinyl alcohol, borax, a water-based anionic aliphatic polyurethane resin dispersion, a BYK-349 surfactant, guar hydroxypropyltrimethyl ammonium chloride and the like; the modified liquid II is prepared from hydrophobic nano silicon dioxide aerogel powder, a KH550 silane coupling agent, a BYK-111 dispersing agent, polyether modified polydimethylsiloxane, cetyl phosphate, absolute ethyl alcohol, ammonia water and the like. A three-layer structure of bottom layer anchoring, middle buffering and surface layer dewatering is formed, and through cooperation of the three layers, the initial filling power retention rate is very high, heat and humidity resistance is achieved, the heat preservation performance is good, durability is good, and performance attenuation is slow.

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 application relates to the technical field of concrete, and discloses high-permeability-resistant recycled micro-powder concrete and a preparation method thereof. The steps are as follows: 3-(isobutenoyloxy)propyl trimethoxysilane is taken, ethanol aqueous solution is added, the temperature is increased to 40-60 DEG C, and stirring is carried out for 1-2 hours; nano glass beads are added, and the temperature is continuously kept and stirred for 2-4 hours; filtration, washing and drying are carried out, and double-bonded glass beads are obtained; iso-pentenyl polyoxyethylene ether is taken, water is added, and stirring is carried out until the water is uniformly mixed; an initiator is added, and stirring and dissolution are carried out, so that a mixed solution A is obtained; acrylic acid, sodium methallyl sulfonate and double-bonded glass beads are taken, water is added, and stirring is carried out until the water is uniformly mixed; the temperature is increased to 60-70 DEG C, the mixed solution A is added dropwise, the dropwise addition is completed in 2-3 hours, the temperature is increased to 75-80 DEG C, and the temperature is kept for 3-4 hours; the pH value is adjusted to be neutral; filtration and drying are carried out, and modified micro-beads are obtained; coarse aggregate, fine aggregate, recycled micro-powder, fly ash, cement, modified micro-beads, an additive and water are mixed, and high-permeability-resistant recycled micro-powder concrete is obtained.

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 invention relates to the technical field of concrete, and discloses high-impermeability regenerated micro-powder concrete and a preparation method thereof. The preparation method comprises the following steps: adding 3-(methacryloyloxy) propyltrimethoxysilane into an ethanol water solution, heating to 40-60 DEG C, stirring for 1-2 hours, adding nano glass beads, continuously carrying out heat preservation and stirring for 2-4 hours, filtering, washing and drying to obtain double-bond glass beads; the preparation method comprises the following steps: taking isopentenyl polyoxyethylene ether, adding the isopentenyl polyoxyethylene ether into water, uniformly stirring, adding an initiator, and stirring and dissolving to obtain a mixed solution A; adding acrylic acid, sodium methallyl sulfonate and double-bond glass beads into water, uniformly stirring, heating to 60-70 DEG C, dropwise adding the mixed solution A for 2-3 hours, heating to 75-80 DEG C, keeping the temperature for 3-4 hours, adjusting the pH value to be neutral, filtering, and drying to obtain modified microspheres; and mixing the coarse aggregate, the fine aggregate, the regenerated micro powder, fly ash, cement, the modified microbeads, an additive and water to obtain the high-impermeability regenerated micro powder concrete.