7342 results about "Triethanolamine" patented technology

Polyenylphosphatidylcholine in combination with an alkanolamine are topically applied to treat skin wounds, promote healing, and minmize scar formation. Typical compositions contain from about 0.25% to about 12% of a polyenylphosphatidylcholine preparation obtained from natural sources such as soybean oil which contains at least about 25% by weight, preferably about 40% or more, dilinoeoylphosphatidylcholine, and from about 0.1% to about 10% by weight of an alkanolamine such as ethylaminoethanol, methylaminoethanol, dimethylaminoethanol, isopropanolamine, triethanolamine, isopropanoldimethylamine, ethylethanolamine, 2-butanolamine, choline, serine, or mixtures thereof. Dimethylaminoethanol is a particularly preferred alkanolamine. Tyrosine is an adjunct ingredient in many embodiments.

The present invention provides a variety of extended polyacrylic acid based binder compositions comprising a low molecular weight polyacrylic acid (typically hypophosphite or sulfite terminated), a crosslinking agent (such as triethanolamine or glycerol) and one or more water soluble materials, such as lignin, low molecular weight starch and soybean protein. The extended binder composition of the present invention provides a lower cost binder composition without degrading the performance and may be selected to alter one or more characteristics of the basic binder composition such binder wetting, emulsion compatibility, dust suppression and wash water flow properties.

An aqueous binder composition, useful for making fiber products, especially fiberglass insulation, comprising an aqueous substantially alkaline (pH of at least 5.0) solution of a polyol and a hydrolyzed (solubilized) copolymer of maleic anhydride and a vinyl aromatic compound, preferably styrene (i.e., a SMA copolymer); the copolymer is solubilized using ammonia, a secondary alkanolamine (preferably diethanolamine (DEA)), a tertiary alkanolamine (preferably triethanolamine (TEA)), or a mixture thereof and the binder composition is cured as a consequence of cross-linking, esterification reactions between pendant carboxyls on the solubilized (hydrolyzed) copolymer (SMA) chains and hydroxyl groups of the polyol, including the diethanolamine and/or triethanolamine preferably used in the solubilization of the SMA.

This invention relates to a aquosity industry anti-rust paint and its preparation method. According to weight it includes 8 to 11% aquosity acroleic acid modified epoxy, 33 to 40% acroleic acid latices, 0.1 to 0.3% defoamer, 0.05 to 0.15% wetting agent, 0.3 to 0.5% dispersant, 0.3 to 0.5% rust-resistant agent, 7.5 to 9% iron oxide red, 6 to 8% French chalk, 5 to 10% modified zinc phosphate, 2.5 to 10% trimerization aluminum phosphate, 3 to 3.5% precipitated baryte , 0.5 to 1% zinc oxide, 3 to 5% mica ferric oxide, alcohol ester twelve 1 to 2%, triethanolamine 1 to 2%, thickening agent 0.3 to 0.6%, preservative 0.05 to 0.1%, 5 to 20% de-ionized water, through pretreatment, color paste preparation and blending and adjusting to gain product.

An aqueous binder composition, useful for making fiber products, especially fiberglass insulation, comprising an aqueous substantially alkaline (pH of at least 5.0) solution of a polyol and a hydrolyzed (solubilized) copolymer of maleic anhydride and a vinyl aromatic compound, preferably styrene (i.e., a SMA copolymer); the copolymer is solubilized using ammonia, an ammine, a primary alkanolamines (preferably monoethanolamine), a secondary alkanolamine (preferably diethanolamine (DEA)), a tertiary alkanolamine (preferably triethanolamine (TEA)), or a mixture thereof and the binder composition is cured as a consequence of cross-linking, esterification reactions between pendant carboxyls on the solubilized (hydrolyzed) copolymer (SMA) chains and hydroxyl groups of the polyol, including the diethanolamine and/or triethanolamine preferably used in the solubilization of the SMA.

The invention provides an environment-friendly silt curing agent, which is manufactured through the following steps: one or two among fly ash, calcium sulfate, sodium sulfate, sodium carbonate and potassium carbonate, one or two among slag, slag combination, potassium hydroxide, calcium oxide, sodium silicate or silicon dioxide, one or two among carbide slag, lime or gypsum, as well as one or two among triethanol amine surfactant, calcium lignosulfonate or sodium lignosulfonate form a plurality of optimal compound formulations according to respective attributes, are optimized, compounded, ground till the Brinell specific surface areas are between 300 and 900 m2/kg respectively and then mixed, wherein particle sizes are between 0.00040 and 0.5 mm. As a large amount of waste is utilized, the curing agent saves raw materials, solves the problems about waste discharge and environmental pollution, controls waste through waste, and has important significance to environmental protection. The invention aims to provide the environment-friendly silt curing agent which has strong adaptability to a plurality of types of silt and soil, is good in curing effect, good in durability after curing and capable of utilizing industrial waste, and can be widely applied to fill engineering, embanking or embankment reinforcement engineering, road engineering and other fields.

A process for making an ink jet ink comprising: a) providing a dispersion containing a pigment, a hydrocarbon carrier, and a polyamine/fatty acid condensation polymer dispersant; b) mixing the pigment dispersion with rigid milling media less than 100 mu m; c) introducing the mixture of step (b) into a mill; d) milling the mixture from step (c) until the pigment particle size is below about 100 nanometers (nm); e) adding to the mixture during or after step d) or f) (below) a stabilizer selected from the group consisting of a polyether polyol; a modified polyester resin; an acrylic polymer; an alkylol ammonium salt of a block copolymer having acidic groups; ethoxylated triethanolamine; a high molecular weight block copolymer having an amine functionality; sorbitan sesquioleate; polyhydroxy stearic acid; butylated polyvinyl pyrrolidone; poly(vinylpyrrolidone/1-hexadecene); and poly(p-tert-butylstyrene-co-styrene-co-2-sulfoethyl-lithium methacrylate); f) separating the milling media from the mixture milled in step (d); and g) diluting the mixture to obtain an ink jet ink having a pigment concentration suitable for ink jet printers.

The invention relates to a lead free soldering clean free soldering flux with the mass percentage of organic acid activating agent 1. 5-3. 5%, surface active agent 0. 04-0. 6%, organic amine and derivant 2. 0-5. 0%, with the rest being film forming matter. The said organic acid could be one or more of the aliphatic acid mono acid or bi-acid, aromatic acid, or amino acid. The said surface active agent is one or more of the nonion surface active agent, and the said organic amine and the derivant being ethanediamine, tetramethylenediamine, diethyl ethanolamine and so on, with the said film forming material being diethyl ethanolamine or resin. The soldering flux does not have halogen, being environmental protective, good in welding, welding spot being full and luminous, without residue, no corrosion, high in isolation resistance.

A self-leveling cementitious mixture with excellent flow properties and which hardens with a controlled rate of strength development to an ultra-high compressive strength composite composition for use in making articles such as cementitious armor panel with ballistic and blast resistant properties including: a continuous phase resulting from the curing of an aqueous mixture, in the absence of silica flour, of inorganic cement binder, inorganic mineral filler having a particle size of about 150-450 microns, pozzolanic mineral filler, polycarboxylate based self-leveling agent and water. The cementitious mixture may include alkanolamine, such as triethanolamine, and acid or acid salt, such as tartaric acid. The cementitious composition may be reinforced with reinforcing fibers, e.g. glass fibers, in an amount of about 0.5-6.0% by volume of the overall cementitious composition. The fibers are uniformly dispersed in the cementitious composition before it is cured to form a final cementitious armor panel.

The invention relates to a detergent for daily use, and specifically relates to an environment-friendly type hyperconcentration biological enzyme liquid laundry detergent and a preparation method thereof. The prepared product in the invention is mobile liquid with low viscosity, contains no phosphates, fluorescent brightening agents or alkylphenol polyoxyethylene, and has no pollution to environment. The production process for the product is simple; preparation and mass production of the product are easy; the product can be widely used for washing of various fabrics and clothing and is both applicable to hand wash and machine wash. The environment-friendly type hyperconcentration biological enzyme liquid laundry detergent comprises, by weight, 0.5 to 50 parts of fatty alcohol polyoxyethylene ether sodium sulfate-70, 0.5 to 50 parts of fatty alcohol polyoxyethylene ether-9, 0.5 to 30 parts of sodium alkylbenzene sulfonate-60, 0.2 to 15 parts of triethanolamine, 0.1 to 10 parts of sodium citrate, 0 to 5 parts of citric acid, 0 to 5 parts of aliphatic acid, 0.02 to 8 parts of biological enzyme, 0.1 to 20 parts of an enzyme stabilizer, 0.5 to 30 parts of a solvent, 0 to 15 parts of a hydrotropic agent, 0 to 5 parts of a bactericide, 0.001 to 5 parts of an antiseptic, 0 to 3 parts of essence and 1.0 to 40 parts of softened water.

A water-based cleaner is prepared by surfactant primary washing part, alkaline auxiliary washing part, solvent part, preservative and water; wherein the surfactant primary washing part is compounded by anion and nonionic surfactant; the alkaline auxiliary agent part selects trolamine, sodium metasilicate pentahydrate which has dispersive action on dirt and EDTA disodium which has chelation on metallic ions, and excludes phosphate accessory aid which pollutes water quality. The solvent part selectes alcohol, glycol ether or natural orange oil extract D-limonene which have good safety performance, strong solvency and little environmental pollution. The preservative selects food grade preservative propylparaben which is safe and nontoxic. The invention adopts concentrate formula, the preparation method is simple, users can dilute the product according to object to be washed and the degree of dirt, and operate with reasonable using concentration, thus avoiding the waste of washing cost due to excessive concentration and the waste of energy. The inventive water-based cleaner reduces package cost and transportation cost, and has no adverse effect on the environment.

The invention discloses a high-antiwear cutting fluid, which comprises the following raw materials in parts by weight: 10-25 parts of soybean oil, 5-15 parts of rapeseed oil, 8-25 parts of 2-ethylhexyl oleate, 15-30 parts of fatty alcohol-polyoxyethylene ether, 3-8 parts of disodium sulphonatoacetate, 1-5 parts of copper/silica composite nano materials, 5-12 parts of citric acid-modified lanthanum fluoride nanoparticles, 20-40 parts of an imidazoline-ammonium salt corrosion inhibitor, 3-15 parts of glycerin, 2-15 parts of triethanolamine, 2-6 parts of borax, 0.5-1.5 parts of benzotriazole, 8-20 parts of polyethylene glycol and 30-50 parts of water. The high-antiwear cutting fluid is excellent in antiwear, cooling, lubrication, cleaning and antirust functions, and is low in cost and strong in stability.

The invention provides a method for preparing hard polyurethane foam plastics from soybean oil. The method comprises the steps as follows: (1) carrying out epoxidation including the sub-steps of subjecting soybean oil and epoxidizing agent to reaction to obtain epoxidized soybean oil; (2) carrying out ring-opening reaction including the sub-steps of subjecting epoxidized soybean oil and nucleophilic reagent of reactive hydrogen to the ring-opening reaction of epoxy chemical bond in the presence of a catalyst to obtain mixed hydroxyl fatty acid glyceride; (3) carrying out alcoholysis and esterification including the sub-steps of adding alcohol, heating for alcoholysis to obtain mixed hydroxyl fatty acid monoester, i.e. soybean oil based polyol, and esterifying with organic acid and acid anhydride to generate polyester polyol; and (4) sequentially adding 80-150 weight parts of isocyanate, 0.3-4 weight parts of triethanolamine and 0.5-4 weight parts of foam stabilizer to 100 weight parts of soybean oil based polyol, intensively stirring, adding 0.5-3 weight parts of distilled water, and uniformly foaming while stirring at the high speed.

The invention relates to an acidizing block remover suitable for a complex lithologic reservoir. The acidizing block remover suitable for the complex lithologic reservoir comprises the following components by weight: 0-12% of hydrochloric acid, 0-3% of ammonium bifluoride, 0-10% of sulfamic acid, 0-5% of fluoboric acid, 0-3% of boric acid, 0-4% of alcohol, 0-2% of triethanolamine, 3% of glacial acetic acid, 4.0-6.0% of corrosion inhibitor, 2.0-4.0% of mutual solvent, 0.5-1.0% of penetrating agent, 2.0% of clay stabilizer and 45-88.5% of water. The problems that the lithologic and physical property differences of oil fields are large, the oil fields are in staggered distribution, and the acidizing debugging construction effect of a common water injection well is not ideal are mainly solved. The acidizing block remover suitable for the complex lithologic reservoir can effectively corrode the strata minerals and obstruent, does not destroy a rock skeleton, can prevent secondary precipitation caused by sensitive mineral, improves the water absorbing capacity of the reservoir, and increases the daily increasing water injection rate of an average single-well measure.

The present invention relates to flue gas purifying treatment technology. The equipment consists of chemical compounding tank with stirrer, chemical adding pump, adsorber tower, circulating pump, storing pond for concentrated absorbent liquid, evaporating inlet pump, evaporator, drying inlet pump and drying machine connected via pipeline. It desulfurizes and denitrificates simultaneously through the mixed reaction of flue gas and absorbent liquid in the absorber tower with urea as absorbent and organic amine or phosphate as additive. It has an SO2 eliminating rate up to 95% and NOx eliminating rate up to 80%, with the recovered ammonium sulfate being used as fertilizer.

The invention relates to an admixture for high early strength of concrete, characterized in that the admixture is formed by mixing and stirring cement clinkers, industrial residues, early strength agents, plaster, water reducing agents and excitants. The parts by weight of the components are as follows: 100 parts of cement clinkers, 500-2000 parts of industrial residues, 0.2-3 parts of early strength agents, 1-3 parts of plaster, 0.2-2 parts of water reducing agents and 1-5 parts of excitants. The excitant is the mixture of aluminum hydroxide, calcium nitrite and calcium nitrate; wherein, the aluminum hydroxide accounts for 50% of the mixture while the calcium nitrite and the calcium nitrate are in any proportion; the early strength agent is the mixture of trolamine, lithium carbonate and calcium formate, wherein, the trolamine accounts for 50% of the mixture while the lithium carbonate and the calcium formate are in any proportion. The admixture for concrete provided by the invention has high activity index and low content of harmful ions. Adding the admixture can obviously improve the demoulding strength, long-term mechanical property and durability of the concrete.

The invention relates to a gypsum and calcium oxide melt inclusion expansion clinker, a concrete expansion agent, and a preparation method and application thereof, belonging to the field of construction materials. The expansion clinker provided by the invention is prepared by mixed grinding and high-temperature burning of limestone, gypsum and aluminum oxide and/or aluminum sulfate. The concrete expansion agent is prepared by grinding the expansion clinker together with a calcium sulphoaluminate cement clinker, calcium stearate or/and triethanolamine until the specific surface area is 140-400 m<2>/kg. According to the invention, the expansion clinker has high restrained expansion rate and high clinker weathering resistance; the concrete expansion agent has the functions of cracking resistance, seepage resistance, shrinkage compensation and the like, and has the advantage of long product shelf life (up to 6 months). The concrete expansion agent can be used for cracking resistance and seepage resistance of a common concrete structure, and can greatly enhance the durability of the concrete.

The invention relates to a sulfur removal agent suitable for the production of an oil-gas well. The sulfur removal agent comprises the following components in percentage by mass: 10 to 25 percent of hexahydro-1,3,5-tris(hydroxyethyl)-s-triazine, 5 to 20 percent of alcohol amine, 5 to 20 percent of small molecular alcohol and the balance of water. The alcohol amine is one or a mixture of more thantwo of monoethanolamine, ethyleneglycol amine, diisopropanolamine, methyldiethanolamine and triethanolamine; and the small molecular alcohol is one or a mixture of more than two of methanol, ethanol and propanol. The sulfur removal agent has a simple formula, can be soluble with water, and can effectively reduce the content of hydrogen sulfide in crude oil or natural gas; simultaneously, productsgenerated by the sulfur removal agent and the hydrogen sulfide are water-soluble, and cannot block a mineshaft and influence the normal production of the oil-gas well; and the sulfur removal agent can achieve effects at the temperature of 30 to 120 DEG C and can be quickly reacted with the hydrogen sulfide.

The present invention provides fully renewable engine fuels derived completely from biomass sources. The fully renewable engine fuel is comprised of one or more low carbon number esters, one or more pentosan-derivable furans, one or more aromatic hydrocarbon, one or more C₄-C₁₀ straight chain alkanes derivable from polysaccharides, and one or more bio-oils. In addition, the fuel may contain triethanolamine. Such a lower octane renewable fuel may be utilized, for example, in automobile fuel, 100 LL aviation fuel applications, and turbine engine applications. These ethanol-based, fully renewable fuels may be formulated to have a wide range of octane values and energy, and may effectively be used to replace 100LL aviation fuel (known as AvGas), as well as high octane, rocket, diesel, and turbine engine fuels.

The invention discloses a method and device to make expandable graphite filling high density hard polyurethane foam plastic. It mixes polyether polyhydric alcohol, triethanolmine, organo-tin, silicone oil, water and expandable graphite at a certain proportion. After whisking by mechanism whisking device to equal, a certain quantity of iso-cyanic ester is added and mixed fully, then pouring into mould, covering the mould cover and taking curing process to gain the production. The invention has good fire resistance property, and the oxygen index would reach 40, the material of vertical burning testing reaches FV-0 grade. The invention conquers the disadvantage of halogenated fire resistance agent, and has crucial meaning for circumstance.

This invention relates to a method of absorbing SO2 gas by the hydramine carboxylate ion liquid, which belongs to the chemical field. In the normal temperature, the aminoethyl alcohol, diethylehthanolamine, triethanolamine, and the diglycol have neutralization reaction with the acetic acid, lactic acid or the acid with similar structure, and then create a series of corresponding alkaline ion liquor. It cost small balancing time through using that ion liquor or loaded in the carrier to absorb the acid gas SO2.

The invention discloses a liquid cement grinding aid. The liquid cement grinding aid comprises the following components by weight percent: 10-24% of triethanolamine, 10-16% of polymeric polyol, 10-13% of molasses, 1-3% of calcium formate, 3-5% of sodium acetate, 5-10% of sodium thiosulfate and the balance water. Compared with the prior art, the liquid cement grinding aid has the advantages that the grain composition of a cement material is changed, the strength of cement is improved, enhancing effect of the cement mixed with a large quantity of limestone is improved obviously; the cost is lower as the using amount of triethanolamine is reduced; the cement output in the unit time is increased effectively, and the power consumption of per unit output is reduced as the mixing amount in the cement finishing process is low; the liquid cement grinding aid is green and environmental-friendly and cannot hurt people, or cannot damage buildings and the like as chloridion content is not contained.

The present invention provides fully renewable engine fuels derived completely from biomass sources. In one embodiment the fully renewable engine fuel is comprised of one or more low carbon number esters, one or more pentosan-derivable furans, one or more aromatic hydrocarbon, one or more C₄-C₁₀ straight chain alkanes derivable from polysaccharides, and one or more bio-oils. In addition, the fuel may contain triethanolamine. Such a lower octane renewable fuel may be utilized, for example, in automobile fuel, 100 LL aviation fuel applications, and turbine engine applications. These ethanol-based, fully renewable fuels may be formulated to have a wide range of octane values and energy, and may effectively be used to replace 100 LL aviation fuel (known as AvGas), as well as high octane, rocket, diesel, and turbine engine fuels. In another embodiment, there is provided a synthetic high octane aviation fuel comprising isopentane and mesitylene, and process of producing same from a biomass.

The invention discloses a soft soil curing agent composed of a main agent and an adjuvant, wherein the main agent is composed of cements, sands, lime, fly ash, slag cement, gypsum, nanometer silicon based oxides and the like, the adjuvant comprises triethanolamine, calcium lignosulfonate, sodium chloride, magnesium chloride, calcium chloride, ferric chloride, light vanadium or water glass, polyacrylamide, calcium sulfate, sodium sulfate, sodium hydroxide and the like. The invention has the advantage of perfect service effect, and is capable of being used as powder (for dry spraying) or pulp agent (for wet spraying) in cement injection pile construction, and further can be used in constructions of cement mixing pile, grouting, chemical churning pile, shallow layer cushion reinforcement, subgrade strengthening, tamping and the like.

The invention discloses scaling powder for no-clean lead-free low-silver welding paste. The scaling powder comprises, by weight percentage, 3-13% of active agent, 0.2-1.5% of surface active agent, 0.2-3.0% of emulgator, 3.0-10.0% of thixotropic agent, 3-8% of film-forming agent, 0.1-1% of antioxidant, 0.1-0.5% of corrosion inhibitor and the rest of solvent. The active agent is composed of four or five components in succinic acid, oxalic acid, salicylic acid, glutaric acid, citric acid, adipic acid, lactic acid, benzoic acid, malic acid and triethanolamine. The scaling powder for the no-clean lead-free low silver welding paste does not contain halogen, the corrosion to a circuit board is greatly lowered, the printing quality of the welding paste is good without bridging or turned-down edges, a welding point is good in forming after returning, the brazing connecting defect is greatly lowered, the residue is small without solder balls, the cleaning is not needed, the welding paste is directly used for assembling, the Sn-0.45 Ag-0.68 Cu or Sn-0.3 Ag-0.7 Cu low silver welding paste manufactured by using the scaling powder does not contain the halogen and rosin, the organic chemistry smoke is small, and the pollution to the environment is small.

The invention provides an acetylene sludge aerated concrete block, which is prepared by processing the following raw materials in part by weight: 20-30 parts of acetylene sludge, 25-30 parts of coal ash, 5-10 parts of cement, 4-6 parts of modified attapulgite, 5-10 parts of water treatment sludge, 5-10 parts of soda residue, 5-10 parts of light calcium powder, 10-15 parts of lime, triethanolamine, 4-5 parts of gypse, 0.02-0.08 part of aluminium powder, oxidized paraffin wax soap, 0.01-0.02 part of calcium bicarbonate, 2-3 parts of chelky slag, 1-2 parts of lignocellulose, 0.3-0.5 part of water glass, 0.03-0.05 part of borax, 1-2 parts of sodium hexametaphosphate, 1-2 parts of hydroxy propyl methyl cellulose sodium and 1-2 parts of superfine polyvinyl alcohol, wherein the weight of the triethanolamine is 0.1-0.3 percent of that of the lime, and the weight of the oxidized paraffin wax soap is 3-5 percent of that of the aluminium powder. According to the invention, the acetylene sludge is added into the raw materials of the aerated concrete block, and meanwhile other conventional additives and modified nano additives are added; the aerated concrete block is prepared by adopting a proper technology and is low in cost and good in performance; the circulating economy effect of changing waste into valuable is realized; the pollution is reduced; and the prepared aerated concrete block has the characteristics of light volume weight, high thermal insulation performance, good sound absorption effect and high strength and can be used for non-bearing or bearing wall bodies.

The invention relates to a liquid cement grinding aid which can obviously reduce the dosage of trolamine and does not contain urea. The grinding aid comprises the following compositions in weight percentage: 1 to 10 percent of trolamine, 5 to 10 percent of diglycol, 1 to 10 percent of trimeric sodium phosphate, 10 to 30 percent of molasses, 0 to 20 percent of sodium thiosulfate, 0 to 10 percent of air entraining component and the balance being water, wherein the air entraining compositions are triterpenoid saponin air entraining agent, sodium lignin sulfonate or a mixture of the triterpenoid saponin air entraining agent and the sodium lignin sulfonate at any proportion. The invention obviously reduces the dosage of the trolamine, does not contain the urea, lowers product cost and simultaneously facilitates the environmental protection. The sodium thiosulfate has the function of exciting mixed materials of cement and can improve the initial strength and the later strength of the cement, thereby effectively improving the service performance of the cement grinding aid. The triterpenoid saponin air entraining agent and the sodium lignin sulfonate have the action of the auxiliary aided grinding and simultaneously properly entrain air to reduce the water consumption of the cement standard consistence.

The invention relates to a method for production of monoethanolamine (MEA) and diethanolamine (DEA), and aims to mainly solve the problem that triethanolamine (TEA) is generated as a byproduct in production of monoethanolamine in the prior art. According to a technical scheme adopted by the method of the invention, a binder-free ZSM-5 zeolite molecular sieve catalyst containing SiO2 and Al2O3 that are in a mole ratio of 10-500 by weight is employed, and raw materials contact with the catalyst to generate triethanolamine-free products. The technical scheme well solves the problem, and can be applied in the industrial production of monoethanolamine (MEA) and diethanolamine.

The invention belongs to the technical field of preparation of a microcapsule, and relates to a latent self-repair microcapsule for an organic coating and a preparation method of the latent self-repair microcapsule. The method comprises the steps of feeding urea and formaldehyde mixed solution into a four-mouth flask, adjusting the pH value to 7.5-11.8 with triethanolamine, and ensuring that the temperature is slowly increased for reaction for 3 hours, so as to produce viscous transparent water-soluble urea-formaldehyde prepolymer solution; sufficiently mixing a capsule-core epoxy resin, a capsule-core diluting agent, and a capsule-core latent curing modifier proportionally, adding distilled water, stirring, adding an emulsifying agent, emulsifying for 10-20min in a high-speed emulsifyingmachine, so as to form O/W type emulsion, mixing the urea-formaldehyde prepolymer solution and the emulsified liquid and sufficiently stirring to disperse in an aqueous medium, adjusting the pH valueto 1.0 to 5.0, centrifugating the particle suspension after curing at a controlled temperature for 3 hours, performing flushing for a plurality of times, and then performing vacuum drying to obtain the microcapsule. The method has the advantages that the technology is simple, the condition is easy to control, the preparation cost is low, the product quality is good, the repair effect is good, themanpower and cost are saved, and the method is environment-friendly.

The invention relates to a curing agent for reinforcing and treating a soft soil foundation and application thereof. The curing agent for soft soil contains 10-25% of cement clinker, 65-80% of slag, 4-10% of filling material, 1-10% of expanding agent, 0.2-5% of alkaline excitation agent and 0.02-0.3% of surfactant, wherein the filling material is fine sand or/and coal ash; the expanding agent is gypsum or desulfurization gypsum; the expanding agent is calcined lime or sodium hydroxide; and the surfactant is triethanolamine or calcium lignosulphonate. The curing agent for soft soil can be applied to reinforcing soft soil like cumulosol, high-salinity stratum or the like, and the using amount of the curing agent for soft soil is preferably 8-20% of the weight of a reinforced soil body. The curing agent for soft soil, provided by the invention, only contains a little cement clinker and can enable soil layers with poor cement reinforcing effects, such as cumulosol, high-salinity stratum or the like, to obtain better physical and mechanical performances after the curing agent for soft soil is applied.