155results about How to "Good foam stabilization effect" patented technology

The invention discloses a low-irritation and high-foaminess fancy soap formula, which is composed of the following components by mass percentage: 2%-10% of alpha-lauryl betaine ampholytic surfactant, 20%-30% of coconut oil sodium salt, 50%-70% of sodium palmitate, 2%-5% of sorbic alcohol, 0.1%-1.5% of antioxidant, 0.05%-0.15% of Kathon, 0.05%-0.2% of chelant, 0.5%-1% of titanium white powder, 0.5%-1.0% of essence and water (the rest). In the fancy soap, the alpha-lauryl betaine ampholytic surfactant is used as additive, which can reduce the irritation of the fancy soap taking the normal sodium soap as the soap base and improve the foaminess of the fancy soap.

The invention discloses a preparation method for a waterborne polyurethane synthetic leather Bass. The method comprises the following steps of: adding a dispersing agent, a polypropylene powder and a talcum powder to waterborne polyurethane under a stirring condition; after sufficiently dispersing these materials, adding a thickening agent to these materials to stir the materials, so as to obtain a waterborne polyurethane synthetic leather paste; before coating, adding a foam stabilizer to the waterborne polyurethane synthetic leather paste under a stirring condition; bubbling the paste by using compressed air, wherein the bubbling speed is 0.2-0.8 m3 / h; and stirring and bubbling the paste for 5-10 minutes at a speed of 600-1000 rpm; and then coating a waterborne polyurethane synthetic leather foaming paste to a base fabric, which is treated by a base fabric treating liquid and ironed by an ironing roller, wherein the coating quantity is 300-600 g / m2; and finally, drying the waterborne polyurethane synthetic leather foaming paste, so as to obtain the waterborne polyurethane synthetic leather Bass. According to the invention, a foaming material has the advantages of rapidness in foaming and good foam stabilizing property; and the preparation method disclosed by the invention has the advantages of simplicity, easiness and easiness for continuous production and is very suitable for large-scale industrial production.

The invention discloses an alkali lignin concrete water reducing agent, a preparation method and application thereof. The preparation method comprises the following steps: dissolving the alkali lignin in water, adding amines and dropping aldehydes into the mixed solution, reacting the mixed solution to get aminating alkali lignin; adding sulfonating agent into the aldehydes and reacting to get alkane sulfonate compounds; then mixing the aminating alkali lignin and the alkane suflonate compounds to conduct polycondensation, getting alkali lignin concrete water reducing agent, wherein the alkali lignin is 100 parts, amines are 5-20 parts, aldehydes are 20-50 parts, sulfonating agent is 50-100 parts and the surfactant is 2-6 parts(by weight part). The water reducing agent is used for preparing concrete, and the dosage of the water reducing agent according to the weight percentage is 0.2-0.6% of the cement in the concrete. The concrete water reducing agent of the invention has advantages of abundant material source, no toxic, simple production technology and low cost with a water-reducing rate of 22.5%, which significantly increases the fluidity of the concrete and improves the intension of the concrete.

The invention discloses a composite coal-dressing flotation reagent and a preparation method of the composite coal-dressing flotation reagent. The composite coal-dressing flotation reagent is an ivory water-soluble composite coal-dressing flotation reagent which is formed in the mode that light diesel oil, lauryl sodium sulfate, alkyl glycoside, alkylphenol polyoxyethylene ether and water are mixed and subjected to emulsification treatment through a low-temperature emulsification technology. The preparation method of the composite coal-dressing flotation reagent is simple, sources of raw materials are wide, complex operation is avoided, and industrialization can be easily achieved. The composite coal-dressing flotation reagent is used for conducting flotation processing on fine-grained coal slime; compared with a single flotation reagent combination composed of alkyl glycoside and light diesel oil which are added step by step, the composite coal-dressing flotation reagent shows an enhanced coal-dressing flotation effect on fine coal with the granularity smaller than 0.5 mm and overcomes the defect that the reagent is added step by step, the dosage of the reagent is reduced, and the economic benefit is considerable.

The invention discloses a foaming agent for a shield. The foaming agent contains the components in percentage by weight: 1.0-10.0% of alpha-olefin sulfonate (AOS), 1.0-8.0% of sodium fatty alcohol -polyoxyethyleneether sulfate (AES), 1.0-6.0% of ammonium lauryl sulfate (K12 ammonium), 1.0-6.0% of cocoanut fatty acid diethanolamide (6501), 1.0-5.0% of dodecyl dimethyl betaine (BS-12), 0.005-0.1% of fluorocarbon surfactant (FS), 0.2-5.0% of sodium nitrilo triacetate (A92R), 0.2-5.0% of ethylene diamine tetraacetic acid disodium salt (EDTA) and the balance of water. The foaming agent for the shield provided by the invention realizes high multiple foaming rate, long foam stabilizing time, nontoxicity and innocuity and is an environment friendly biodegradable product which does not contain phosphorus.

The invention relates to a high-temperature-resistant and low-tension foam flooding agent for improving a recovery ratio of crude oil in a reservoir and a preparation method thereof. The high-temperature-resistant and low-tension foam flooding agent is prepared by continuously stirring salts of alkyl phenol polyoxyethylene ether, sodium alkyl sulfonate, sodium chloride and water at 20-60 DEG C until the salts of alkyl phenol polyoxyethylene ether, sodium alkyl sulfonate and sodium chloride are completely dissolved. The high-temperature-resistant and low-tension foam flooding agent disclosed by the invention has the characteristics of ultralow interfacial tension, strong foaming capability, good foam-stabilizing effect and high temperature resistance and good compatibility with formation water and the like and does not be decomposed at high temperatures of 250 DEG C. The ultralow interfacial tension between aqueous solution (of which the salinity is 0-10000mg / L) of the high-temperature-resistant and low-tension foam flooding agent with a concentration of 0.1-0.5wt% and crude oil can be less than 10<-2>mN / m. The high-temperature-resistant and low-tension foam flooding agent, disclosed by the invention, can be used in a high-temperature reservoir to improve the recovery ratio of crude oil.

The invention provides a dry garment leather base and a preparation process thereof. The preparation process includes the steps: 1) base cloth treatment: completely soaking base cloth in mixed solution of soluble calcium salt and leather softeners, mangling the base cloth and then ironing and drying the base cloth by an ironing roller; 2) coating the base cloth with 200-500g / m<2> of garment leather base foaming slurry by a scraping method; 3) drying the base cloth in a drying oven; 4) base rolling: cooling and rolling the base cloth by a cooling roller to prepare the dry garment leather base. The prepared dry garment leather base has good moisture and air permeability, is quite soft in hand feeling and good in rebound resilience and wear resistance, and can meet higher performance requirements and environmental protection standards.

The invention relates to the field of oil and gas drilling, in particular to super-amphiphobic Janus particles suitable for a chip carrying agent for an oil base drilling fluid and a preparation method and an application thereof. The Janus particles are silicon dioxide nanoparticles with dissymmetric modification on surfaces, wherein the part of surfaces of the Janus particles are modified by a first modifying group provided by silane as shown in a formula (1) and the rest parts of surfaces of the Janus particles are modified by a second modifying group provided by silane as shown in a formula(2). By combining the particularity of Janus particle structure and the performance asymmetricity, the particles play bubbling and stabilizing roles in an emulsified oil base drilling fluid. An efficiently chip carrying oil base drilling fluid system formed by taking the super-amphiphobic Janus particles chip carrying agent as a core treatment agent improves the drilling speed and the well purification efficiency of a complex well, thereby further promoting continuous exploration and development of irregular oil and gas reservoirs. The formulae are as shown in the description.

The invention relates to the technical field of fire extinguishing agents, in particular to a fire extinguishing agent composition, and a preparation method and application thereof. The fire extinguishing agent composition comprises an organic silicon surfactant, a hydrocarbon surfactant, an organic cosolvent, a foam additive and the like. The foam extinguishing agent has main advantages of not containing a fluorocarbon surfactant, and a polyether modified polysiloxane type organic silicon surfactant and / or a polyether trisiloxane organic silicon surfactant are / is used; on the basis of environmental protection, a compound of an anionic hydrocarbon surfactant, a nonionic hydrocarbon surfactant and an amphoteric hydrocarbon surfactant is adopted for compounding, so that better foam performance and fire extinguishing performance can be achieved; through joint adjustment and dosage matching of multiple components, low surface tension, good foaming performance and foam stabilizing performance and efficient fire extinguishing performance are achieved, and the defect that foaming performance and foam stabilizing performance of an organosilicon surfactant is relatively poor is overcome. .The fire extinguishing agent composition can achieve spreading boundary on an oil surface, can be degraded easily, is environmentally friendly, and is often applied to extinguishing oil fire.

The invention discloses a composite foaming agent for concrete. The foaming agent is prepared by evenly mixing the following materials at room temperature, by weight: 10-15 parts of saponin, 3-5 parts of sodium dodecyl benzene sulfonate, 1-2 parts of lauryl sodium sulfate, 2-3 parts of polyethylene glycol, 3-4 parts of gelatin, 0.5-1 part of modified diatomite, 0.2-0.5 part of polyoxyethylene methyl glucoside ether, 1-2 parts of polyacrylic acid resin and 60-70 parts of water. The invention has advantages of easily available raw materials, low cost and simple preparation process; the produced foaming agent has advantages of good stability, no deterioration and good foaming power, can reduce the usage amount of a foaming agent solution, does not affect indexes such as dry density and compressive strength of the foam concrete, and has good development prospects.

The invention provides a compound wetting agent and a coating formed by the same. The compound wetting agent mainly comprises, by weight, 5-40% of polyether modified organosilicon surfactant, 50-90% of alkynediol surfactant and 1-10% of isomerized low-foam special polyether solubilizer. The compound wetting agent has low static surface tension and dynamic surface tension and good system compatibility, foam stability of polyether modified organosilicon is remarkably improved, and the compound wetting agent can be suitable for water-based wood paint of different resin systems such as an acrylic resin system and a polyurethane system.

The invention belongs to the technical field of oilfield chemicals, relates to a chemical additive used in the oilfields to improve the oil production efficiency, and concretely relates to a CO2-soluble foaming agent and its preparation method. The CO2-soluble foaming agent is prepared by mixing 0.1-6mass% of an alkylphenol ethoxylate foaming agent with 0.5-10mass% of an alcohol solubilizer and 85-99mass% of CO2. The foaming agent provided by the invention can be dissolved in CO2 and meets water in oil reservoirs to form foams, so the injectability of the foaming agent is improved, and the problem of corrosion of CO2 meeting water to injection wellbores is avoided; and the foaming agent has excellent dissolvability, temperature and salt resistance and foam stabilizing performance.

The invention discloses a light-heat conduction and lightweight porous ceramic for daily use. The light-heat conduction and lightweight porous ceramic for daily use is prepared from, by weight, 60-70parts of lithium feldspar powder, 14-20 parts of lithium bentonite powder, 8-13 parts of bauxite powder, 6-11 parts of gamma-alumina, 12-18 parts of quartz powder, 5-9 parts of aluminum silicate fibertubes, 70-90 parts of water, 0.9-1.5 parts of a water reducer, 1.8-3.4 parts of a foaming agent, 1.1-1.7 parts of a foam stabilizer and 2-4.5 parts of a dispersant. The above formula is optimized tomake the pores in the ceramic product for daily use uniform and dense, so the ceramic product for daily use has a low heat conduction coefficient and a good heat insulation property, can effectively avoid users from being burnt when used, and is well received by consumers; and the ceramic product for daily use has the advantages of good balance between high porosity and strength, portability during use, and good durability.

The invention discloses C80 ultrahigh pumping concrete and a preparation method thereof. The C80 ultrahigh pumping concrete is prepared from the following raw materials in parts by weight: 270 to 310parts of cement, 690 to 720 parts of sand, 950 to 990 parts of broken stone, 240 to 260 parts of a mineral admixture, 8.5 to 10.5 parts of a polycarboxylate superplasticizer, 25 to 56 parts of graphite powder, 10 to 20 parts of coal gangue ultrafine powder, 0.0145 to 0.145 part of an air entraining agent, 2.4 to 2.6 parts of an exciting agent, and 135 to 147 parts of water. The preparation methodcomprises the following steps weighing the cement, the sand, the broken stone, the fly ash, the zeolite powder, the graphite powder, the mirabilite, the slaked lime and the coal gangue ultrafine powder in corresponding parts by weight, uniformly stirring and mixing to obtain a first mixture, uniformly mixing water, a water reducing agent and an air entraining agent, adding the mixture into the first mixture, and uniformly stirring to obtain the C80 ultrahigh pumping concrete. The C80 ultrahigh pumping concrete provided by the invention has the advantages that the strength is ensured, the fluidity is good, and the pumping is easy.

The invention discloses an anti-collapse and anti-leakage drilling washing fluid used during drilling and a field production method thereof, belongs to the technical field of geological core drilling technology, and aims to solve the problem that drilling washing fluid is poor in wall protecting effect under the stratum conditions of strong breaking and continuous leakage. The drilling washing fluid is characterized in that 30-50kg of bentonite, 2-4kg of soda ash, 2-5kg of tackifier, 20-50kg of fluid loss agent, 5-15kg of flow pattern regulator, 30-80kg of bridging agent, 20-50kg of blocking agent, 10-30kg of inhibitor and 1-3L of foaming agent are added to each cubic meter of water. The anti-collapse and anti-leakage drilling washing fluid has the advantages that the drilling washing fluid is good in collapse preventing effect, fast in leakage blocking, high in leakage blocking strength, wide in adaptive crack width range, and widely applicable to the drilling of water-sensitive and loose and broken stratums, low-pressure leakage layers and fracture hole developed stratums.

The invention provides a rich-foam toilet cleaning block which comprises an anionic surfactant, a nonionic surfactant, tea saponin, sodium alginate, sodium citrate, a bactericidal deodorant, sodium chloride and the like. The bactericidal deodorant used in the rich-foam toilet cleaning block is one or mixture of more of broadleaf holly leaf extract, cloven extract, phellodendron bark extract and mint extract. The rich-foam toilet cleaning block has excellent foaming and foam stabilizing capacities, and can effectively remove yellow scales, urine scales and water scales. By adopting the pure plant extracts, the rich-foam toilet cleaning block can efficiently decompose peculiar smell, has the bactericidal and deodorizing functions, and is harmless to the human body and environment. The rich-foam toilet cleaning block can emit a natural fresh plant odor on the premise of deodorization.

The invention discloses a preparation method of an alpha-N,N-dialkyl oxyamino fatty acid surfactant. The method comprises the following steps: allowing alpha-halogenated fatty acid and lower secondary amine to carry out an aminolysis at ambient pressure or in an autoclave to obtain alpha-N,N-dialkyl amino fatty acid; and oxidating by hydrogen peroxide to prepare the alpha-N,N-dialky oxyamino fatty acid surfactant. The oxyamino surfactants are widely used in industries such as tableware detergent, personal care, cosmetic, textile and the like, due to the excellent surface activity, the excellent foaming and foam stabilizing properties, the emulsifying property, the good biodegradation property and low-toxicity and low irritation to human body of the oxyamino surfactants. In the method of the invention, the main raw material is derived from fatty acid which is cheap and easily accessible, and thus the situation that the use amount of the oxyamino surfactants is limited in formula products due to the expensive price will be greatly improved.

The invention discloses a selenium-containing surfactant as well as a preparation method and application thereof and belongs to the technical field of a daily chemical industry. The surfactant is long-chain alkyl selenium base acetate, and a structural character of the surfactant is shown as a formula (1) as shown in the specification; in the formula (1), n is an integer from 11 to 15; M<+> is one of a sodium ion, a potassium ion or an ammonium ion. The preparation method of the selenium-containing surfactant is simple, and has moderate synthesis conditions, no special requirements on equipment and relatively low energy consumption; raw materials are easy to obtain and the product does not contain hydroxyl acetate and chloroacetate; the selenium-containing surfactant has relatively high surface activity, excellent foaming and foam stabilization performance, unique hard water resistance and oxidation resistance and free radical removing capability, and relatively low cytotoxicity, aquatic organism acute toxicity and skin irritation.

The invention discloses a foaming agent for a low temperature-resistant soil pressure balance shield, and a preparation method and the application of the foaming agent. The foaming agent is prepared from formulation components in percent by weight: 2 to 4 percent of alpha-olefin sulfonate, 4 to 10 percent of fatty alcohol-polyoxyethylene ether alkyl sulfate, 1 to 2 percent of coco fatty acid diethanol amide, 0.5 to 1 percent of cocamidopropyl betaine, 0.5 to 2 percent of polyethylene glycol, 0.1 to 0.5 percent of glycerol, 0.05 to 0.3 percent of lauryl alcohol, 0.1 to 0.5 percent of sodium chloride, 0.05 to 0.15 percent of 5-chloro-2-methyl-4-isothiazolin-3-one, 0.05 to 0.2 percent of citric acid and the balance of 79.35 to 91.65 percent of water. The foaming agent disclosed by the invention is used for construction under minus 20 DEG C, is particularly suitable for winter construction and is used for improving a soil body of which a construction soil layer is fine sand, medium-coarse sand and / or sandy gravel, the transparency of the foaming agent used for shield construction under a low-temperature condition in winter is ensured, so that a high foaming rate of the foaming agent is ensured, the foam stability is high, and an adverse effect brought to the construction as the foaming agent changes along with the temperature is reduced.

The invention discloses a negative-nonionic sulfonate high-temperature foamer for oil extraction. The invention adopts the technical scheme as follows: the foamer is characterized by belonging to negative-nonionic surfactants and mainly comprises the following components: a Spann sulfonate surfactant, a Tween sulfonate surfactant, a foam stabilizer and a pH regulator. The foamer has the benefits that negative-nonionic sulfonate is adopted as a main raw material; the foamer is applied to a site, is good in water solubility and dispersity when being used in an oil-water well, is good in foamability and excellent in foam stability at high temperature (89 DEG C), and belongs to new-generation high-temperature foamers; foam generated by the foamer is very high in surface strength and very stable; the foamer is good in compatibility with wastewater; the gas release speed is high and can be controlled; the effect of foaming for foam flooding is achieved.

The invention discloses a foam stabilizer and a preparation method thereof. The foam stabilizer comprises 0.1-10 parts of cocamidopropyl dimethylamine oxide, 0.2-10 parts of tween 80, 5-20 parts of hexadecanoic acid, 0.1-10 parts of stearic acid, 2.9-15 parts of triethanolamine, 0.1-6 parts of sodium dimethyl benzene sulfonate, 0.1-6 parts of cocamidopropyl betaine, 0.1-6 pars of ammonium fatty alcohol polyoxyethylene ether sulfate, 0.1-2 parts of disodium ethylene diamine tetraacetate, 0.1-2 parts of 1-hydroxyethylidene-1,1-bis-phosphonic acid tetrasodium salt and water. The preparation method comprises the following steps: heating water, adding disodium ethylene diamine tetraacetate, 1-hydroxyethylidene-1,1-bis-phosphonic acid tetrasodium salt, ammonium fatty alcohol polyoxyethylene ether sulfate, cocamidopropyl betaine, cocamidopropyl dimethylamine oxide, sodium dimethyl benzene sulfonate and triethanolamine, stirring and dissolving to obtain a water phase; heating and melting tween80, hexadecanoic acid and stearic acid to obtain an oil phase; and rapidly mixing the water phase and the oil phase and stirring and cooling so as to obtain the foam stabilizer.

The invention belongs to the field of combined type fire extinguishing agent processing, and specifically relates to a combined type fire extinguishing agent and a preparation method thereof. The fireextinguishing agent is composed of a propellant and a feed liquid in a weight ratio of (2-15) to 100; the feed liquid comprises a surfactant, a foaming agent, a thickening agent, a foam stabilizer, acorrosion inhibitor, a flame retardant, a foam reinforcing agent, a penetrating agent, a solvent, an indicator and a pH regulator; the propellant is composed of nitrogen gas and carbon dioxide. The foaming agent is formed by mixing a plurality of substances. The fire extinguishing agent selects a fluorine-containing surfactant and the foam stabilizer which is not used by other fire extinguishingagents, and each component agent is formed by combined type component matching, so that very good foaming effect and very good foam-stabilizing effect can be achieved; the propellant is combined in various ways, and meets the jetting effect better in comparison with a single propellant; and used raw materials do not contain phosphor, so that eutrophication of a water body is not caused, and therefore, the combined type fire extinguishing agent is very strong in environment friendliness, and has an extremely great market prospect and an extremely great economic value.

The invention provides a foam cleaning composition which comprises an anionic surfactant, a nonionic surfactant, tea saponin, sodium alginate, sodium citrate, sodium chloride, a bioenzyme, betaine and the like. The foam cleaning composition can also comprise a bactericidal deodorant, an essence and a colorant. The foam cleaning composition is suitable for cleaning bedpans, and has the characteristics of high foaming speed, fine and abundant foam, long duration time and the like. The bactericidal deodorant is a pure natural antibacterial deodorant, can remove peculiar smell, has favorable bactericidal action, and is harmless to the human body and environment.

The invention relates to a self-stabilized carbon dioxide / ammonia water switch foam system which is composed of CO2, a bubbling liquid and ammonia water. The CO2 is stimulating factors and bubbling gas, the ammonia water is a defoaming liquid, the bubbling liquid is prepared from a bubbling agent and deionized water, the bubbling agent accounts for 0.1-1% by mass of the bubbling liquid, and the bubbling agent is erucyl amide propyl-N,N-dimethyl tertiary amine or oleic amide propyl-N,N-dimethyl tertiary amine. The foam system is simple in component and sensitive in foam switching property, and still has relatively good foaming property and switching property in a high-temperature and high-pressure environment.

The invention provides a concrete air-entraining agent molecule with a polyether hydrophilic chain segment and an aliphatic hydrocarbon hydrophobic chain segment modified through an alkyloxysilane group. The concrete air-entraining agent molecule has a structure shown in the formula (I). The invention also provides a preparation method of the compound and a use of the compound as the concrete air-entraining agent. The compound has a three-block structure, good surface activity and molecule reaction activity. The concrete air-entraining agent has excellent performances: 1, good air entraining effects at a low doping amount and reasonable size distribution of entrained bubbles, 2, good bubble stabilization effects and a high gas content level, and 3, small influence on concrete strength.

The invention discloses a bacteriostatic shampoo for animals and a preparation method thereof. The bacteriostatic shampoo for animals is prepared from the following components in parts by weight: 0.01to 5 percent of thymol, 10 to 50 percent of surfactant, 1 to 10 percent of conditioner, 0.01 to 2 percent of perfume and an appropriate amount of solvent. The preparation method is as follows: surfactant, thymol, conditioner and perfume are sequentially added into solvent, i.e., after one component is added and stirred to be dissolved, another component is added; if antibacterial agent and / or antifungal agent exists, the antibacterial agent and / or the antifungal agent is added into the solvent after the surfactant and completely dissolved, and thereby the bacteriostatic shampoo for animals isobtained. The bacteriostatic shampoo for animals which is disclosed by the invention is rich in bubbles, mild and non-irritating, can effectively remove dirt, and has an antibacterial and inflammation-diminishing effect.

Dimethicone copolyol sulfosuccinate surfactant compounds having low-odor characteristics are disclosed. The low-odor dimethicone copolyol sulfosuccinate is substantially free from propionaldehyde and acid-releasable precursors of propionaldehyde, thereby substantially eliminating the cosmetically undesirable odor characteristic of conventional dimethicone copolyol sulfosuccinate surfactants. The low-odor dimethicone copolyol sulfosuccinates are suitable for use as surfactants in household or personal care products and applications.

The invention discloses a two-in-one combination for shampooing and bathing for children. The combination consists of deionized water, a tender surfactant, a thickener, a neutralizer, a conditioner, an antiseptic substance and essence, wherein the tender surfactant consists of potassium lauryl phosphate, cocamidopropyl hydroxy betaine, coco-glucoside hydroxypropyl sodium sulfonate and ricinoleamidopropyltrimethyl ammonium chloride. The two-in-one combination is a clear and weakly acidic formula, and produced foams are soft, smooth and easy to wash; the two-in-one combination is rich in olive oil and oat and can be used for deeply moistening the skin of a user so as to re-nourish the skin; the two-in-one combination is not oily, has no stimulation, and can be used for effectively moistening the tender skin of a baby. According to the invention, the tenderest and safest surfactant and the tenderest and safest neutralizer are adopted, so that the safety of the two-in-one combination in children products is ensured; the tenderest antiseptic substance is adopted, so that the tenderness and the safety of the product are ensured at the utmost.

The invention discloses a preparation method of an air-entraining ester polycarboxylate superplasticizer. The preparation method comprises the following steps: (1) preparing an esterification product; (2) copolymerization reaction; and (3) neutralization reaction. According to the preparation method, the esterification product is prepared by esterification of coco fatty acid diethanolamide and unsaturated acid, the preparation method has the advantages of low cost and simplicity and convenience in operation, and the prepared esterification product participates in the next copolymerization reaction, so that a main chain of the polycarboxylate superplasticizer has hydrophilic groups such as amide and the like; the prepared polycarboxylate superplasticizer has good air entraining and foam stabilizing properties, and the workability and the strength of concrete are improved.