31 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 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 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 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 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 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.

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.

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 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 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.

The invention belongs to the field of high-performance foam materials, and discloses a poly (styrene-hydroxypropyl methacrylate) colloid stabilizer and a preparation method and application thereof.The poly (styrene-hydroxypropyl methacrylate) colloid stabilizer is obtained through free radical polymerization of styrene and hydroxypropyl methacrylate, a solvent replacement method is used for inducing self-assembly of the copolymer to form amphiphilic colloid particles, and the amphiphilic colloid particles are used for preparing the high-performance foam material. The poly (styrene-hydroxypropyl methacrylate) colloid stabilizer is combined with synergistic regulation and control of pH, salt concentration and trace organic solvent to realize multi-stage construction, the poly (styrene-hydroxypropyl methacrylate) colloid stabilizer has a unique alveolar sac-like multi-stage hierarchical structure, and through the synergistic effect that particles stabilize small bubbles and the small bubbles stabilize large bubbles, the initial liquid discharge phenomenon of foam is remarkably inhibited, and the stability of the foam is improved. The thermodynamic stability is achieved while the high fluidity is kept.

The application relates to a silica / polymer hybrid nanofiller prepared by polymerization-induced self-assembly, a preparation method and application of the hybrid nanofiller, which comprises nanosilica and polymer monomers, the polymer monomers comprising first block polymer monomers and second block polymer monomers; the first or second block polymer monomers are at least one of glycidyl methacrylate (GMA), hydroxypropyl methacrylate (HPMA), methoxyethyl acrylate (MEA) and hydroxyethyl methacrylate (HEMA), and the content of the nanosilica is 10wt%-50wt% of the hybrid nanofiller. The composite hybrid nanofiller has the advantages of excellent reinforcing effect, good compatibility with a rubber matrix, excellent dispersibility and the like, and can be well applied to the rubber material preparation field.

The self-cleaning road marking paint is composed of A component and B component, wherein the A component is composed of 50-150 mass parts of modified acrylic resin, 0.1-2 mass parts of accelerator, 1-10 mass parts of inert oil and 10-50 mass parts of low-boiling and low-surface tension solvent; the B component is composed of 50-150 mass parts of modified acrylic resin, 1-10 mass parts of curing agent, 1-10 mass parts of inert oil and 10-50 mass parts of low-boiling and low-surface tension solvent; the modified acrylic resin is a mixture obtained by dissolving solid acrylic resin with active monomers of methyl methacrylate, butyl acrylate and hydroxypropyl methacrylate as dispersion medium, adding inorganic filler and nano titanium dioxide, and modifying the inorganic filler and nano titanium dioxide with silane coupling agent. The paint can realize long-term self-cleaning effect of road marking without increasing the smoothness of the surface of the road marking.

The application belongs to the technical field of self-humidifying membrane electrode, and relates to a proton conductive hydrophilic polymer for a self-humidifying membrane electrode and a preparation method and application thereof. The preparation method comprises the following steps: 2-acrylamido-2-methylpropanesulfonic acid, amino or hydroxyl-containing olefin monomer, potassium persulfate, tetramethylethylenediamine and N,N'-methylenebisacrylamide are dissolved in water according to a molar ratio of 1:(0.05-0.15):(0.001-0.004):(0.002-0.01):(0.04-0.14) and uniformly mixed; the mixed solution is reacted at 50-70 DEG C for 6-12 h to obtain a crosslinked polymer; the crosslinked polymer is filtered, washed and dried, and the hydrophilic polymer is obtained; the amino or hydroxyl-containing olefin monomer is at least one of methacrylamide, hydroxyethyl methacrylate and hydroxypropyl methacrylate. The side chain of the hydrophilic polymer is rich in sulfonic acid groups and amino / hydroxyl groups, and the hydrophilic polymer has good hydrophilicity and proton conductivity.

This invention discloses a fluorinated weakly basic anion exchange resin catalyst and its preparation method, as well as a method for preparing hydroxypropyl methacrylate. The fluorinated weakly basic anion exchange resin catalyst of this invention is a solid catalyst capable of catalyzing the ring-opening addition reaction of (meth)acrylic acid and propylene oxide. It has low swelling ratio and high pressure resistance in the propylene oxide system. Using this catalyst in the preparation of hydroxypropyl methacrylate enables continuous production of hydroxypropyl methacrylate and has advantages such as the catalyst not easily pulverizing and clogging the reactor.

This invention discloses a sizing agent and its preparation method. The sizing agent is an emulsion containing core-shell particles. The core layer of the core-shell particles comprises epoxy-modified silica nanospheres, and the shell layer comprises hydrophilic-modified epoxy-hydroxypropyl methacrylate copolymer. This application achieves self-emulsification and dispersion by introducing hydrophilic functional groups, and simultaneously achieves core-shell chemical bonding and resin interfacial crosslinking through epoxy functional groups. The core layer forms protrusions, reducing the contact area between fibers and facilitating fiber dispersion. The carbon fibers coated with the sizing agent of this invention exhibit good dispersibility and high interfacial shear strength with the epoxy resin matrix, making it applicable to the production of prepregs where high carbon fiber dispersibility is required.

This application discloses a positioning tape for solar photovoltaic panels and its preparation method. The positioning tape includes an adhesive layer and a substrate layer. The adhesive layer comprises the following components by mass parts: 100 parts of acrylate composite monomer, consisting of 65-70 parts of isooctyl acrylate, 20-25 parts of isoborneol methacrylate, 3-10 parts of hydroxypropyl methacrylate, and 1-5 parts of triethyl isocyanurate acrylate; 1-3 parts of maleic anhydride-modified rosin glycerol ester; 0.2-0.4 parts of initiator; 1-2.5 parts of ultraviolet absorber; 0.8-1 part of free radical quencher; 0.7-1 part of anti-thermal and oxygen aging agent; and 70-85 parts of solvent. The tape maintains stable adhesion and positioning accuracy even under long-term outdoor conditions of strong ultraviolet radiation, high temperature, and high humidity, without delamination, yellowing, or embrittlement, significantly improving the encapsulation reliability of solar photovoltaic panels.

This invention belongs to the field of sealing material technology, specifically relating to an anaerobic sealing liquid and its preparation method and application. The anaerobic sealing liquid comprises the following components by weight: 20-50 parts monomer, 0.5-2 parts initiator, 0.1-1 parts accelerator, and 0.1-1 parts co-accelerator. The monomer includes one or more of polyurethane acrylate, bisphenol A epoxy acrylate, (4) ethylene oxide bisphenol A dimethacrylate, triethylene glycol dimethacrylate, hydroxyethyl methacrylate, and hydroxypropyl methacrylate. Due to the rational formulation of monomers and various additives, the obtained anaerobic sealing liquid has a fast curing rate and excellent airtightness, pull-out resistance, storage stability, and corrosion resistance, meeting the airtightness requirements of pipe connection technology.

The present disclosure relates to the technical field of polyurethane materials, and provides a polyol and a preparation method and application thereof. The raw materials of the polyol include, in parts by weight, 20-80 parts of a methacrylate monomer, 20-80 parts of a vinyl acetate, 1-20 parts of a hydroxyl monomer, 0-20 parts of a modified monomer, 10-100 parts of an active diluent, 0.1-5 parts of an initiator, and 0-3 parts of a molecular weight regulator; the hydroxyl monomer includes at least one of hydroxyethyl methacrylate, hydroxypropyl methacrylate, hydroxyethyl acrylate, and N-hydroxymethyl acrylamide; and the modified monomer includes at least one of acrylamide, N-hydroxymethyl acrylamide, maleic anhydride, and itaconic acid. The present disclosure also provides a heavy-haul railway pad and a preparation method and application thereof. The heavy-haul railway pad is prepared by using the above-mentioned polyol designed and synthesized by the present disclosure, and at least has the effect of making the heavy-haul railway pad have excellent rigidity and toughness, high-temperature and low-temperature resistance, and buffering and assembly fatigue performance.

The present application relates to the technical field of resin, in particular to a wear-resistant waterborne UV photocuring resin and a preparation method thereof. The preparation method comprises the following steps: (1) mixing diisocyanate, polymeric polyol, catalyst and organic solvent in an inert gas atmosphere, and reacting at 60-90 DEG C for 1-4 h; (2) cooling to 50-70 DEG C, adding carboxylic acid chain extender and continuing to react for 1-3 h, then increasing the temperature to 80-90 DEG C, and adding hydroxyl chain extender, amine chain extender, catalyst and organic solvent and reacting for 2-4 h; reducing the temperature to 70-80 DEG C, adding polymerization inhibitor, wear-resistant ethanol solution, hydroxypropyl methacrylate and catalyst and reacting for 1-3 h to obtain a mixed solution; (3) cooling the mixed solution to 20-40 DEG C, adding triethylamine and water, stirring and emulsifying, adding hot water at 50-90 DEG C, and removing solvent under reduced pressure to obtain the wear-resistant waterborne UV photocuring resin. The resin has the advantages of waterborne environmental protection, high wear resistance, fast curing, strong adhesion and excellent flame retardant performance, and is suitable for the fields of coating and electronic packaging.

The invention belongs to the technical field of environment-friendly coatings, and discloses an acrylate water-based coating, a preparation method thereof and a food packaging material prepared from the acrylate water-based coating. The acrylate water-based paint comprises a component A and a component B, the component A comprises the following raw material components: butyl acrylate, hydroxypropyl methacrylate, acrylonitrile, hydroxyethyl acrylate, acrylic acid, an initiator, an emulsifier and water; the emulsifier comprises lauryl sodium sulfate and alkyl polyglucoside; the component B comprises high-hydroxymethyl water-soluble phenolic resin and citric acid; the mass ratio of the component A to the component B is (1-3): 1. The acrylate water-based paint provided by the invention does not contain bisphenol A epoxy resin and has no bisphenol A migration risk, and the food packaging material prepared from the acrylate water-based paint has excellent solvent resistance, boiling resistance and low temperature resistance; the color is natural golden, the stability is high, and the requirements of low-temperature storage and high-temperature water boiling of the prefabricated food can be better met.

The present application relates to a kind of microchannel reactor and the method for preparing (methyl) hydroxypropyl acrylate with it, the microchannel reactor is made of channel mixer, reaction channel and heat exchanger, wherein, the channel mixer is made of 4~6 mixed units, the mixed unit is a 150°~210° twisted helical blade, the direction of adjacent two sections of blade is opposite, and is staggered 60°~120°.The present application designs a kind of microchannel reactor, so that EO / PO and (methyl) acrylic raw material rapid reaction, no back mixing, greatly reduce the residence time of material, compared with conventional kettle type reaction, selectivity has obviously improved, the proportion of (methyl) hydroxypropyl acrylate two isomers is accurately controlled.The method of the present application improves the atomic economy of reactant and the safety of reaction, reduces the amount of polymerization inhibitor, has extremely high industrial development prospect.