54 results about "Hydroxypropyl methacrylate" patented technology

The invention discloses a preparation method of a composite flocculant based on efficient water treatment, belongs to the technical field of flocculant processing, and aims to solve the technical problem that the flocculation performance and the settling performance of a flocculant need to be further improved in the prior art. The preparation method specifically comprises the following steps: putting acrylamide, diallyldimethylammonium chloride, 2-hydroxypropyl methacrylate and deionized water into a reaction kettle, and uniformly mixing to obtain a mixed monomer; according to the preparation method, citric acid monohydrate and iron nitrate nonahydrate react under a mild acidic condition to form a Fe < 3 + >-citric acid complex, and then 2-hydroxyethylamine is introduced to further participate in complexing to obtain a citric acid complexing solution, so that not only is the flocculation performance of the composite flocculant improved, but also the settling performance of the composite flocculant is improved.

The invention discloses a non-phosphorus reverse osmosis scale inhibitor and a preparation method thereof, and relates to the technical field of industrial water treatment.The non-phosphorus reverse osmosis scale inhibitor is prepared from, by weight, 10 parts of purified humic acid, 40-60 parts of alkalized acrylic acid-succinimide-hydroxypropyl methacrylate copolymer, 4-8 parts of sodium polyepoxysuccinate and 5-20 parts of water. Compared with the prior art, the scale inhibitor is high in environment-friendly compliance, excellent in scale inhibition performance, scientific and efficient in raw material treatment and high in product scale inhibition rate, meets the environment-friendly emission standard, and is suitable for reverse osmosis membrane scale inhibition treatment in the industries of electric power, chemical engineering, seawater desalination and the like.

The invention relates to a base material of a self-lubricating sliding bearing as well as a preparation method and application of the base material. The base material comprises a component A, a component B and a component C, and the mass ratio of the component A to the component B to the component C is (0.4-0.8): (0.1-0.3): (0.1-0.3); wherein the component A is prepared from the following raw materials: vinyl cyclic siloxane, 1-thioglycerol and methacryloyl isocyanate; the component B is prepared from the following raw materials: a hexamethylene diisocyanate tripolymer and 2-hydroxy propyl methacrylate; and the component C is prepared from the following raw materials: a diphenylmethane diisocyanate tripolymer and 2-hydroxy propyl methacrylate. The compression strength and the compression modulus of the base material are both higher than those of commercially available resin, the bearing performance of the self-lubricating sliding bearing is greatly improved, meanwhile, the wear rate of the bearing is reduced through the high-crosslinking-degree resin, the gasket is more wear-resistant, and the service life of the bearing is prolonged.

The present invention discloses an instant-adhesive strong-tough wet tissue tape and a preparation method thereof. The preparation of the instant-adhesive strong-tough wet tissue tape comprises the following steps: S1, reacting 3,4-dihydroxyphenylacetic acid with glycidyl methacrylate to synthesize 2-(2-(3,4-dihydroxyphenyl)acetoxy)-3-hydroxypropyl methacrylate; S2, dissolving chitosan in an acrylic acid aqueous solution, then adding 2-(2-(3,4-dihydroxyphenyl)acetoxy)-3-hydroxypropyl methacrylate and a photoinitiator to obtain a mixed solution; S3, applying the mixed solution to the surface of a polymer film treated with a plasma cleaner, and then curing under ultraviolet light to obtain the instant-adhesive strong-tough wet tissue tape. This invention designs and synthesizes novel catechol compounds with long alkyl side chains and uses them to manufacture an instantly adhesive, strong, and resilient wet tissue tape. This tape is thin, flexible, and optically transparent, conforming to various substrates and allowing visual inspection of the substrate's state. Prior to use, the tape is dry and non-sticky, but upon contact with water or blood, it rapidly bonds to wet biological tissue. The tape exhibits exceptionally strong interfacial toughness and adhesion strength to wet biological tissue, far exceeding existing commercial adhesives and some other wet tissue adhesives. Therefore, the instantly adhesive, strong, and resilient wet tissue tape can be used for wound closure and hemostasis.

The invention provides a full-liquid-phase tower reactor and a method for continuously producing hydroxypropyl methacrylate by using the full-liquid-phase tower reactor, the whole full-liquid-phase tower reactor is in a vertical tower shape, and the full-liquid-phase tower reactor comprises a liquid-phase mixing part and a reaction main body part which are communicated with each other from bottom to top, the full-liquid-phase tower reactor is used for carrying out ring-opening addition on methacrylic acid and epoxypropane to continuously produce hydroxypropyl methacrylate, a raw material solution continuously enters the liquid-phase mixing part for primary reaction, the obtained primary reaction solution moves upwards in the axial direction of the reaction main body part, and under the action of the inner component, hydroxypropyl methacrylate is continuously produced through ring-opening addition of methacrylic acid and epoxypropane. The primary reaction liquid is separated and purified to prolong the retention time of the primary reaction liquid, and the obtained final reaction liquid continuously flows out through the outlet of the reactor and is separated and purified, so that continuous production of hydroxypropyl methacrylate is realized.

The hydroxypropyl methacrylate storage device comprises a storage barrel, a stabilizing structure, a sealing cover, an adding structure and a stirring structure, an observation window is arranged on the outer surface of the storage barrel, and the stabilizing structure is arranged at the bottom end of the storage barrel. The stabilizing structure comprises a first limiting block, a lead screw, a stabilizing frame, a sliding block, a supporting rod and a negative pressure suction cup, a sealing cover is arranged at the top end of the storage barrel, a sealing ring is installed at the joint of the sealing cover and the storage barrel and is of a circular structure, and an adding structure is fixedly connected to the upper surface of the sealing cover. And the adding structure comprises a second limiting block, an ejector rod, an end cover, a positioning cylinder, a piston plate, a connecting pipe, a flow divider and a spray head, a stirring structure is installed at the bottom end of the interior of the storage barrel, and the stirring structure comprises a motor, a rotating shaft and stirring blades. By means of the structure, the problems that an existing storage device is inconvenient in liquid level observation, solution layering is prone to occurring and the like can be solved.

The invention relates to a curable urethane di (meth) acrylate comprising a diisocyanate component and a (meth) acrylate component, the diisocyanate component consisting of 50 to 75% by weight of 1, 6-hexane diisocyanate (HDI) and at least one further diisocyanate, and the (meth) acrylate component consists of 50 to 100% by weight of hydroxypropyl methacrylate (HPMA) and optionally at least one further methacrylate or acrylate component.

The application discloses a kind of breathable far infrared fiber fabric and preparation method thereof, it is related to fiber fabric technical field.The application is prepared when breathable far infrared fiber fabric, phosphorus-containing triamino compound is reacted with double bond modified silane, hydroxypropyl methacrylate, 2-[2-hydroxy-5-[2-(methacryloyloxy) ethyl] phenyl]-2H-benzotriazole to obtain modified liquid;Pre-modified graphene is reacted with 3-bromopropyl-5,5-dimethyl hydantoin to obtain modified graphene;After dispersing modified graphene, fiber, 3-glycidyl ether oxypropyl trimethoxysilane, modified liquid are added, and modified fiber is prepared after reaction;After weaving and spinning modified fiber, soak sodium hypochlorite solution, and prepare breathable far infrared fiber fabric.The breathable far infrared fiber fabric prepared by the application has the advantages of air permeability, far infrared, antibacterial, flame retardant, ultraviolet protection and washing resistance.

The invention relates to the field of camera lenses, and mainly relates to a UV adhesive and a preparation method thereof, and a high-transparency chromatic-aberration-free lens coating protective film and a preparation method thereof. The UV adhesive comprises an acrylic acid (ester) copolymer, an acrylic acid ester active monomer and a photoinitiator; the synthesis of the acrylic acid (ester) copolymer comprises the following steps: mixing phthalic anhydride polyester polyol, diphenylmethane diisocyanate and bismuth neodecanoate, and reacting to obtain an intermediate product A; reacting the intermediate product A with hydroxypropyl methacrylate, cooling, and preserving heat to obtain an acrylic acid (ester) copolymer; the acrylic ester active monomers are methoxy polyethylene glycol (350) monoacrylate and cyclotrimethylolpropane methylal acrylate. The UV adhesive provided by the invention is excellent in leveling performance and defoaming performance, and a smooth and transparent adhesive layer can be formed on the surface of a lens. The high-transparency chromatic-aberration-free lens coating protective film has no influence on the camera shooting effect, and the imaging effect has no chromatic aberration compared with that of a real object. The surface is smooth and transparent, the wear resistance and the scratch resistance are good, and the lens can be protected.

The application discloses a polyurethane automobile finish and a preparation method thereof, and relates to the field of automobile finishes. In the preparation of the polyurethane automobile finish, titanium white powder, 3-buten-1, 2-diol and 6-bromo-3-(4-bromophenyl)-2, 4-dihydro-1, 3-benzoxazine are uniformly mixed to prepare modified titanium white powder; microcrystalline cellulose is aldehyde-based after being grafted with n-butyric acid, acetic anhydride and 2-aminopiperazine to obtain modified cellulose; 1, 3, 5, 7-tetramethylcyclotetrasiloxane and vinyl pentamethyl disiloxane are reacted to obtain a single-end vinyl hydrogen-containing silicone oil; acrylic acid, methyl acrylate, hydroxypropyl methacrylate and the single-end vinyl hydrogen-containing silicone oil are copolymerized to obtain modified acrylic resin; and the modified acrylic resin, the modified cellulose, the modified titanium white powder and various additives are uniformly mixed to prepare the polyurethane automobile finish. The polyurethane automobile finish prepared by the application has excellent quick-drying property, impact resistance and anti-aging property.

The invention discloses impact-resistant acrylic resin, belongs to the technical field of chemical engineering, and adopts the technical scheme that the acrylic resin is acrylic resin modified by polyurethane; wherein a preparation method of the polyurethane modified acrylic resin comprises the following steps: copolymerizing an isocyanate group-terminated polyurethane prepolymer and hydroxyl acrylate, and diluting to obtain the polyurethane modified acrylic resin; the hydroxyl acrylate is selected from at least one of hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methylacrylate and hydroxypropyl methacrylate; the acrylic resin with good transparency and impact resistance is provided, on one hand, the acrylic resin is modified through polyurethane, the impact resistance of the acrylic resin is enhanced to a certain extent, and on the other hand, the impact resistance of the whole paint body is improved by further modifying the silver powder which generates a pearlescent phenomenon in the production process of the fritillary paint.

The embodiments herein provide hemostatic compositions, methods, and kits comprising composite polymer particles. Upon contact with blood or other physiological fluids, the composite particles adsorb fluid and aggregate into a shape-retentive mass that halts bleeding. In certain embodiments, the particles comprise polymers of 2-hydroxyethyl methacrylate, 2-hydroxypropyl methacrylate, or combinations thereof. The particles may be used alone or blended with additional hemostatic agents. Methods of inducing hemostasis are provided for diffuse oozing, or surgical, mucosal, organ surface, fragile tissue or traumatic bleeding, including in patients receiving anticoagulant or antiplatelet therapy. Kits comprising sterile packages of composite particles, optionally with applicators, substrates, or sprays, are disclosed. The compositions exhibit intrinsic hemostatic activity and synergistically enhance the performance of conventional hemostats, achieving rapid clotting. After hemostasis is achieved, the compositions remain in situ as a conforming protective layer, reducing the need for additional covering materials and decreasing risk of re-bleeding.

The invention relates to the technical field of aluminum coil surface treatment, in particular to a special low-gloss and low-reflectivity coating for an aluminum coil and a preparation method of the special low-gloss and low-reflectivity coating, and the special low-gloss and low-reflectivity coating comprises the following components in parts by weight: 60-90 parts of polyurethane acrylate dispersion, 2-5 parts of a photoinitiator, 20-30 parts of pigment filler, 6-10 parts of an auxiliary agent and 18-35 parts of a solvent; wherein the polyurethane acrylate dispersoid is obtained by carrying out reaction and emulsification on toluene diisocynate and hydroxypropyl methacrylate; the pigment filler is selected from one or a combination of more of a matting agent, a silicon-titanium oxide loaded titanium dioxide and / or carbon black compound and a silicon dioxide loaded mica powder compound; the coating provided by the invention has better rheological property, is convenient to uniformly roll-coat the surface of an aluminum coil, and a coating layer formed on the surface of the aluminum coil has better layering sense and lower glossiness and reflectivity.

The invention discloses a weather-resistant polyurethane acrylate copolymer hot melt adhesive and a preparation method thereof. The invention relates to a water-based polyurethane adhesive, which is prepared from the following raw materials in parts by weight: 15 to 61 parts of hydroxypropyl methacrylate, 20 to 81 parts of pentaerythritol diacrylate, 5 to 20 parts of polypropylene glycol 1000, 5 to 20 parts of polypropylene glycol 4000, 25 to 100 parts of diphenylmethane diisocyanate, 0.025 to 0.1 part of dimorpholinyl diethyl ether, 3.5 to 14 parts of first filler and 8 to 32 parts of second filler. Polyacrylate is added into polyurethane for modification, so that the weather resistance, the water resistance and the bonding strength of the hot melt adhesive can be effectively improved; by adding the first filler and the second filler, the respective reinforcing effects can be exerted, and the problems that the initial peel strength is reduced and the curing rate is reduced when the polyacrylate is added into the polyurethane hot melt adhesive can also be solved.

This invention discloses a high-elasticity, high-toughness 3D printing photosensitive resin and its preparation method. The high-elasticity, high-toughness 3D printing photosensitive resin is characterized by comprising, by weight ratio: 38-50% functionalized PUA oligomer; 37-52% reactive diluent A; 3-5% photoinitiator B; 5-10% toughening agent; and 0.2-0.8% antioxidant; wherein the reactive diluent is a mixture of hydroxypropyl methacrylate, trihydroxy(2-hydroxyethyl) isocyanurate, lauryl acrylate, polyethylene glycol (200) diacrylate, and 4-acryloylmorpholine in a mass ratio of 3:1:1:2:2.

This invention relates to the field of power cable materials technology, and discloses an anti-scorching agent and composition, a semi-conductive shielding material, its preparation method, and its application. The anti-scorching agent comprises structural units provided by monomer A and structural units provided by monomer B; monomer A is 3-[(4-phenylaminophenyl)amino]-2-hydroxypropyl methacrylate, and monomer B is selected from trimethylolpropane trimethacrylate or pentaerythritol triacrylate; the molar ratio of monomer A to monomer B is 1:(2-4). This anti-scorching agent can achieve the anti-scorching effect of the semi-conductive shielding material and is beneficial for long-term extrusion.

The invention relates to the technical field of coatings, in particular to a fireproof insulating coating for a new energy battery and a preparation method of the fireproof insulating coating. The fireproof insulating coating for the new energy battery is prepared from the following raw materials in parts by weight: 100 to 140 parts of a water-based acrylic resin raw material, 140 to 150 parts of deionized water, 0.2 to 0.4 part of a flatting agent, 45 to 55 parts of ammonium polyphosphate, 0.5 to 2 parts of a coalescing agent and 0.1 to 1 part of a de-foaming agent, the raw material of the water-based acrylic resin comprises modified boron nitride nanosheets, and the filler is the modified boron nitride nanosheets and is prepared by alkalizing boron nitride nanosheets to prepare hydroxylated boron nitride nanosheets, then grafting carboxyl-terminated hyperbranched polyester through an esterification reaction, and then carrying out an esterification reaction with hydroxypropyl methacrylate; the battery coating has the advantage that the flexibility of the battery coating is improved under the condition that the hardness of the battery coating is maintained.

The application provides a double-curing acrylate-epoxy hybrid adhesive as well as a preparation method and application thereof, and belongs to the technical field of adhesives. The double-curing acrylate-epoxy hybrid adhesive is composed of component A and component B. The component A comprises tetrahydrofurfuryl methacrylate, isobornyl methacrylate, hydroxypropyl methacrylate, N,N-dimethylaniline, a toughening agent, a double-curing resin, wollastonite, fumed silica, solid glass microbeads, an antioxidant, a phosphate monomer and a multifunctional monomer. The component B comprises benzoyl peroxide, an epoxy resin, wollastonite and fumed silica. The double-curing acrylate-epoxy hybrid adhesive prepared by the application can realize the combination of high-temperature strength and normal-temperature toughness, and solves the problem of easy gelation of a traditional NCO-containing system.

The invention discloses a mixing reactor, application and a preparation method of hydroxypropyl methacrylate. The mixing reactor comprises a reaction pipe body, sieve plates and a stirring part, a feeding port and a discharging port are formed in the front end and the rear end of the reaction pipe body in the axial direction of the reaction pipe body respectively, the multiple sieve plates are arranged in the reaction pipe body in the axial direction at intervals, the distance between every two adjacent sieve plates is adjustable, and the stirring part comprises a stirring shaft and stirring blades. The stirring shaft extends in the axial direction of the reaction tube body, a plurality of stirring blades are connected to the stirring shaft, at least two stirring blades are arranged between every two adjacent sieve plates, and the distance between the stirring blades between every two adjacent sieve plates is adjustable. While the reaction conditions are considered, the flow field in the pipe is promoted to be more efficient and reasonable, the volume of the reactor can be saved, the stirring pressure is reduced, the energy consumption is reduced, the heat transfer and stirring effects of the reactor are improved, and the product quality is improved.

Disclosed is a kind of bio-based, high-solid low viscosity acrylic resin and a preparation method thereof. According to one aspect, provided is a bio-based high-solid acrylic resin prepared from a composition including: 20-80 parts of bio-based acrylates, 8-12 parts of 2-Hydroxyethyl Methacrylate (HEMA) or 2-Hydroxyethyl Acrylate (HEA) or 2-hydropropyl methacrylate (HPMA), 10-30 parts of low-toxic solvent, 3-5 parts of Methacrylic Acid (MAA) or Acrylic Acid (AA), 3-5 parts of a glycidyl ester of neodecanoic acid, and 0.3-5 part of an initiator.

The present invention relates to the technical field of polymer materials, and specifically discloses a polymer thin film coating and film tape for UV printing and carbon ribbon printing. The polymer thin film coating for UV printing and carbon ribbon printing is prepared by drying a polymer thin film coating for UV printing and carbon ribbon printing. The polymer thin film coating for UV printing and carbon ribbon printing is compounded with a solvent, a water-based acrylic resin, glutamic acid, sodium 5-sulfoisophthalate, hydroxypropyl methacrylate, and diethylene glycol diacrylate. The present invention has the advantage of preventing ink from falling off after printing on the polymer thin film.

The invention provides a high-temperature-resistant bio-based phosphorus-free scale inhibitor and a preparation method thereof. The high-temperature-resistant bio-based phosphorus-free scale inhibitor is prepared from the following components in percentage by mass: 15-40% of modified PESA (Polyethylene Sulfonate); 10% to 20% of modified PASP; 5-10% of natural bio-based compound modified tannic acid; 5-10% of HPMA (Hydroxypropyl Methacrylate); 4 to 10 percent of AA-AMPS (Acrylic Acid-Acrylic 0.5%-1.5% of a copper corrosion inhibitor; and the balance of deionized water. All the components are mixed to be transparent at 60 DEG C, and then the pH value is adjusted to be 6-8. The phosphorus-free scale inhibitor can effectively reduce the circulating water treatment cost of common water treatment systems such as a nanofiltration membrane system, a reverse osmosis membrane system and a circulating water system, improve the return water utilization rate, guarantee safe operation of industrial equipment and boiler pressure vessels, reduce the sludge output of water treatment, relieve the subsequent treatment burden of a sewage treatment plant, and reduce the environmental pollution. Favorable conditions are provided for upgrading and reconstruction of a sewage treatment plant, and energy conservation, emission reduction and pollution reduction are facilitated.

This invention relates to the field of concrete, specifically to a type of concrete prepared from recycled aggregate and its preparation method. The concrete prepared from recycled aggregate comprises: quicklime, modified recycled aggregate, an alkaline activator, silica-reinforcing filler, a water-reducing agent, chopped fibers, and water. The preparation method of the modified recycled aggregate includes: mixing hydroxyethyl acrylate and propyl methacrylate, then adding hydroxypropyl methacrylate and mixing again to obtain a mixed monomer solution; mixing an initiator, nano-silica gel, N,N'-methylenebisacrylamide, and water, adding the mixture to the mixed monomer solution, and reacting to obtain a gel material; mixing the recycled aggregate and the gel material, and curing the mixture to obtain the modified recycled aggregate. By employing specific raw material components and a modified recycled aggregate preparation process, the performance of the recycled aggregate is significantly improved.

This application relates to the field of pavement materials, specifically disclosing an easily wettable, high-porosity asphalt mixture and its preparation method. The easily wettable, high-porosity asphalt mixture comprises the following components by weight: 90-94.5 parts aggregate, 2-4 parts mineral powder, 1-3 parts cement, 2.5-5.5 parts emulsified asphalt, and 2.5-3.5 parts water. The emulsified asphalt comprises the following components by weight: 50-60 parts asphalt, 40-50 parts water, 0.1-0.5 parts thickener, 2.0-3.5 parts emulsifier, 1-3 parts silane coupling agent, and 2-6 parts interface modifier. The interface modifier includes at least one of hydroxyethyl acrylate, hydroxyethyl methacrylate, hydroxypropyl acrylate, and hydroxypropyl methacrylate. The mixture of this application can improve the wettability of cement-based grout in asphalt mixtures and reduce interfacial micro-defects.

This invention discloses a water-reducing agent for rapid steam curing of utility pole concrete and its preparation method. It is formulated from a polycarboxylate superplasticizer mother liquor and composite functional components. The polycarboxylate superplasticizer mother liquor is prepared by free radical polymerization of monomers comprising the following parts by weight in aqueous solution: macromonomer isopentenyl alcohol polyoxyethylene ether, 80-120 parts; unsaturated carboxylic acid monomer acrylic acid, 10-16 parts; sulfonic acid functional monomer 2-acrylamido-2-methylpropanesulfonic acid, 2-8 parts; ester functional monomer hydroxypropyl methacrylate, 1-5 parts; and chain transfer agent: 3-mercaptopropionic acid, 0.5-1.5 parts. The water-reducing agent of this invention not only provides ultra-high water reduction rate and excellent workability, but also exhibits a synergistic effect with an 85℃ steam curing regime, enabling the concrete to achieve a stable compressive strength of over 100 MPa after 5-6 hours of steam curing, while simultaneously ensuring the compactness and durability of the concrete structure.

The invention relates to a delustering agent for water-based paint and a preparation method of the delustering agent, and belongs to the technical field of delustering agents. N-methyl-3-aminopropyl trimethoxy silane and N-(2-aminoethyl)-3-aminopropyl trimethoxy silane are added at the same time in the process of preparing the delustering agent to synthesize the organic group modified silicon dioxide delustering agent, an amino structure is introduced, and the water wettability of silicon dioxide is improved; and meanwhile, the N-(2-aminoethyl)-3-aminopropyl trimethoxy silane can also assist the ammonium phosphate to jointly play roles of pore forming and expanding agents, so that the matting effect of the matting agent is enhanced. In addition, the added 2-hydroxypropyl methyl methacrylate ensures that the surface of the delustering agent has higher roughness, and also ensures that the coating surface has lower glossiness when the delustering agent is used in painting.

The invention discloses a composition of a bottom anti-reflection coating for 193nm photoetching as well as a preparation method and application of the composition. The composition disclosed by the invention comprises a ternary polymer, a solvent and a photoacid generator, and the ternary polymer is prepared by the following preparation method: in the presence of a cross-linking agent as shown in a formula (L) and an initiator, enabling a monomer as shown in a formula (A), a monomer B and a monomer as shown in a formula (C) to react in the solvent to obtain the ternary polymer, and the monomer B is hydroxyethyl methylacrylate and / or hydroxypropyl methacrylate. According to the bottom coating prepared from the composition of the bottom anti-reflection coating, an etching process can be avoided, damage of plasmas to a base body is reduced, operation procedures are reduced, and then production efficiency is improved;

The invention discloses an extraction process of apple polyphenol, and belongs to the technical field of agricultural product extraction. Hydroxyl on the surface of chitosan is grafted with a sulfydryl-containing silane coupling agent, sulfydryl-modified chitosan is combined with polar groups on the surface of phenolic foam carbon through electrostatic attraction, so that the sulfydryl-modified chitosan is loaded on the foam carbon; modified foam carbon is obtained; the preparation method comprises the following steps: initiating ring opening of an anhydride group of maleic anhydride through hydroxyl of hydroxypropyl methacrylate, and then copolymerizing with isocyanate and polyether polyol to obtain double-crosslinking interpenetrating resin; according to the method, the apple polyphenol extract is purified successively by utilizing the bi-crosslinking interpenetrating resin and the modified foam carbon, the surface of the modified foam carbon is rich in sulfydryl and hydroxyl, the phenolic hydroxyl and sulfydryl of apple polyphenol can form a strong hydrogen bond or thioether bond, the specific surface area and porosity of the modified foam carbon are high, the apple polyphenol extract is easy to purify, and the apple polyphenol extract is easy to purify. The modified foam carbon skeleton has high compression strength and low swelling rate, and has a stable structure in organic elution solvents such as ethanol, acetone and the like.

The invention provides a modified polycarboxylic acid copolymer evaporation scale inhibition dispersant and a preparation method thereof, and the preparation method comprises the following steps: S1, adding deionized water and maleic anhydride into a four-neck flask to obtain a maleic anhydride solution; s2, ammonium persulfate and isopropanol are dissolved in 40 g of deionized water to form a first solution, and the temperature of the maleic anhydride solution obtained in S1 is increased to 90 DEG C; dropwise adding a hydroxypropyl methacrylate monomer and the first solution at the same time to obtain a first mixed solution; s3, the first mixed solution obtained in S2 is subjected to a heat preservation reaction at the temperature of 90 DEG C, and a second mixed solution is obtained; and S4, cooling the second mixed solution obtained in S3, adding a NaOH aqueous solution, and adjusting the pH value to obtain the modified polycarboxylic acid copolymer evaporation scale inhibition dispersant. The method does not need an organic solvent, high pressure or special harsh conditions, has low requirements on production equipment, and reduces equipment investment and safety production risks.