31 results about "Acrylic coating" patented technology

The invention relates to a double-self-repairing hydroxyl acrylic coating and a spraying process thereof, and belongs to the technical field of coatings. Comprising 50 to 60 parts of a hydroxy acrylic resin-furan modified copolymer, 5 to 10 parts of a maleimide compound, 3 to 8 parts of propylene glycol methyl ether acetate, 5 to 10 parts of dimethyl carbonate, 5 to 8 parts of polyurethane microcapsules, 5 to 7 parts of carbon black, 2 to 5 parts of modified titanium dioxide, 0.8 to 1.2 parts of a modified polyether siloxane leveling agent and 0.2 to 0.4 part of an organic bismuth-zinc composite drier. 2 to 5 parts of fumed silica; and 1 to 2 parts of nano montmorillonite. The paint provided by the invention can form a uniform and continuous coating on the surface of a base material. When the coating is damaged by scratches and the like, self-repairing can be achieved through double mechanisms. According to the spraying process, the polyurethane microcapsules and the matrix resin are separately mixed, and breakage caused by direct mixing of the microcapsules and the resin can be effectively avoided.

The invention discloses a preparation method of C3H5NO-ZnCl2, a preparation method of Mg4Al2Zn2PO4 hydrotalcite, a preparation method of an intumescent flame-retardant epoxy acrylate coating and a coating thereof, phosphate radical series hydrotalcite is prepared by adopting a coprecipitation method, the phosphate radical series hydrotalcite is matched with ZnCl2 and EA, and the coating is formed by UV curing, so that the flame-retardant property of the epoxy acrylate coating (EA) is improved, and the flame-retardant property of the coating is improved. The result shows that ZnCl2 can be well inserted into the hydrotalcite layer; the flame retardant effect of the Mg4Al2Zn2PO4-C3H5NO-ZnCl2 (1: 1) / EA coating is optimal, and the carbon residue rate, the limit oxygen index and the vertical combustion level of the coating are optimal and are respectively 56.84%, 56 and V-0. Meanwhile, the flame-retardant coating has good transparency and mechanical properties, the light transmittance of the flame-retardant coating can reach 92% at most, and the hardness of the flame-retardant coating reaches 6H; the thermal decomposition temperature is high, the high-temperature calcined carbon layer structure is a regular hexagonal honeycomb-shaped stable structure, and the flame retardant property is high.

The invention relates to the technical field of high polymer materials, and discloses a preparation method of a wear-resistant flame-retardant acrylic resin coating, epoxy cyclotriphosphazene is prepared through an esterification reaction and a click reaction, the epoxy cyclotriphosphazene and silane coupling agent modified silicon dioxide are added into an acrylic coating, and in the high-temperature curing process, the wear-resistant flame-retardant acrylic resin coating is prepared. According to the present invention, the epoxy group contained in the silicon dioxide is subjected to a reaction with the carboxyl group in the matrix, such that the precipitation resistance of the silicon dioxide and the small molecule flame-retardant structure is increased, the comprehensive performance of the coating is improved through the generated cross-linked network structure, and the prepared coating has advantages of excellent flame retardation, excellent wear resistance, excellent impact resistance and the like.

This utility model relates to the field of acrylic coating processing technology, and provides an anti-flocculation device for acrylic coating processing, including a processing tank. A discharge pipe is fixedly connected to the bottom of the processing tank, and an anti-flocculation mechanism is installed on the top of the processing tank. The anti-flocculation mechanism includes a drive motor fixedly installed on the top of the processing tank. The output shaft of the drive motor is fixedly connected to a first rotating rod via a coupling. A first bevel gear is fixedly connected to one end of the first rotating rod, and a second bevel gear is movably connected to the outer wall of the first bevel gear. A second rotating rod is fixedly connected to the bottom of the second bevel gear. By starting the drive motor, this utility model can rotate the first bevel gear fixedly connected to one end of the first rotating rod, causing the second bevel gear to rotate, which in turn drives a first slitting blade and a second slitting blade fixedly connected to the outer wall of the second rotating rod to rotate simultaneously, thus facilitating the anti-flocculation treatment of the acrylic coating in the lower part of the processing tank.

Provided is a laminate for covering a window, comprising: a hard coat layer comprising a cured product of a composition for forming the hard coat layer, the composition for forming the hard coat layer comprising a polysilsesquioxane; an aliphatic polyurethane (meth) acrylate oligomer; and an oxygen-containing heterocyclic compound; and an acrylic coating layer comprising a cured product of a composition for forming an acrylic coating layer, the composition for forming an acrylic coating layer comprising a silane coupling agent in the form of an oligomer, in the composition for forming a hard coating layer, the weight ratio of the aliphatic polyurethane (methyl) acrylate oligomer to the oxygen-containing heterocyclic compound is 1: (1.5-7).

The application discloses a kind of special fluorosilicone modified acrylic coatings of anti-fouling and anti-aging unique framework and a preparation method thereof, for the defects of traditional fluorosilicone modified acrylic coatings, such as single molecular framework, difficult to consider anti-fouling and anti-aging performance, poor synergistic effect, etc., by designing the unique three-dimensional molecular framework of "acrylic main chain-fluorosilicone branch-crosslinking framework", optimizing the formula, and using efficient controllable polymerization process, the special fluorosilicone modified acrylic coatings of anti-fouling and anti-aging unique framework is prepared.The formula includes 48-68 parts of unique framework fluorosilicone modified acrylic copolymer, 19-29 parts of anti-fouling and anti-aging pigment and filler and other environmentally friendly components, realizes the synergistic effect of fluorosilicone and the double improvement of anti-fouling and anti-aging, has excellent performance such as surface energy ≤26 mN / m, VOC ≤40 g / L, artificial accelerated aging ≥2000 h, outdoor service life ≥20 years, is convenient to operate and controllable in cost, is suitable for high-end outdoor special coating scenes such as building exterior wall and high-end venue, and can widely replace traditional outdoor coatings.

Disclosed herein are aqueous architectural compositions comprising an opacifying pigment, and a copolymer polymerized from at least one vinyl monomer and at least one meth(acrylate) monomer, wherein the at least one vinyl monomer makes up from about 70 wt. % to about 90 wt.% of all monomer weight. The aqueous architectural compositions also include a tristyryl phenol ethoxylate phosphate surfactant and a dispersant. The dispersant includes a styrene-maleic acid copolymer dispersant, or a hydrophobic copolymer dispersant, or both.

The application discloses a kind of water-based acrylic coating and its preparation method and application, belong to water-based paint technical field.The water-based acrylic coating provided by the application includes the following mass fraction of preparation raw materials: 18~32 parts of water-based acrylic resin, 0.5~8 parts of pigment, 40~65 parts of filler, 5~30 parts of water, 0.05~0.8 parts of thickening agent, 0.3~1.5 parts of dispersing agent, 0.3~1.5 parts of defoaming agent, 0.8~1.8 parts of film-forming aid;The color base ratio of the coating is 4.2~5.2.The application starts from the three angles of improving coating hardness, constructing rough surface and reducing coating cohesion, uses water-based acrylic coating with high color base ratio, which can effectively improve coating hardness, reduce the contact area after coating close, reduce surface force and cohesion, thereby prevent the adhesion of water-based acrylic coating when stacking contact, improve the anti-adhesion effect of water-based acrylic coating, and the water-based acrylic coating of the application has wide application in material protection, especially metal material protection.

The invention discloses an anionic epoxy resin-based polyol aqueous dispersion and a preparation method thereof, and belongs to the technical field of waterborne epoxy resin preparation. Comprising the following steps: 1) adding a mixed solution of a chain extender and a catalyst into an epoxy resin solution at 0-40 DEG C, preserving heat for 1-4 hours to obtain an intermediate, and 2) adding a mixed solution of a hydroxyl end-capping reagent and a carboxyl end-capping reagent into the intermediate, reacting at 20-60 DEG C for 1-4 hours, adding pure water under high-speed stirring, and dispersing to obtain the aqueous dispersion. According to the polyhydric alcohol prepared by the invention, high-activity primary hydroxyl groups can be introduced to the tail end and the middle of a resin main chain, so that the polyhydric alcohol is more suitable for a polyurethane coating system without high-temperature baking, and is completely compatible with anionic hydroxy acrylic latex / dispersion; and the water resistance, the salt fog resistance and the interlayer adhesive force of the water-based two-component acrylic coating can be effectively improved through cold splicing use. The preparation process is simple, the reaction conditions are mild, and the product is more flexible in use mode.

The application belongs to the technical field of functional coating, and discloses a kind of UV-aging resistant high-gloss acrylic coating and its preparation method, the coating is two-component system, including main agent and aliphatic isocyanate curing agent;Main agent includes resin pre-coated nano UV shielding slurry, acrylic compatibilized light stabilizing microdispersion, hydroxyl acrylic resin and auxiliary agent.Preparation, first nano UV shielding agent is pre-wetted, dispersed, ground and cured with hydroxyl acrylic resin, to obtain resin pre-coated slurry;Then make compatibilized microdispersion with UV absorber, hindered amine light stabilizer and hydroxyl acrylic resin;Then low-temperature compounding and adjusting paint.The application can reduce the agglomeration of nano UV shielding agent and the migration of light stabilizer, improve the UV-aging resistant performance, gloss retention rate and storage stability of coating film.

The application relates to a composite anti-fouling adsorption membrane and an application thereof, and belongs to the technical field of separation composite membranes. The application comprises the following steps: 1) dissolving carboxylated polyvinylidene fluoride, carboxymethyl chitosan and a pore-forming agent polyethylene glycol in a solvent, stirring and mixing, and vacuum degassing to obtain a casting solution; 2) pouring the casting solution on a glass plate to form a thick liquid film, immersing the thick liquid film into a coagulation bath to solidify into a film, and immersing the film into a pure water bath to obtain a wet film; 3) immersing the wet film into an acrylic acid solution containing a photoinitiator, performing a free radical polymerization reaction under the protection of nitrogen and through ultraviolet light irradiation to obtain a hydrophilic acrylic coating, then washing the coating with deionized water, and vacuum drying to obtain the composite anti-fouling adsorption membrane. The membrane has gradient pores, good mechanical properties and hydrophilicity, the preparation process is simple, the adsorption rate is fast, the adsorption capacity is high, the regeneration life is long, and the membrane has strong practicability.

The invention provides a water-based acrylic coating with early water resistance as well as a preparation method and application thereof, and relates to the technical field of water-based coatings. The coating is prepared from the following raw materials in parts by mass: 50 to 60 parts of waterborne acrylic emulsion, 10 to 20 parts of deionized water, 8 to 12 parts of surface modified coarse-grained rutile titanium dioxide, 5 to 10 parts of surface modified fine-grained rutile titanium dioxide, 6 to 10 parts of precipitated barium sulfate, 0.2 to 0.5 part of dispersing agent, 0.3 to 0.5 part of defoaming agent and 1.5 to 2.5 parts of coalescing agent, 0.2 to 0.5 part by mass of a thickening agent, 0.2 to 0.5 part by mass of a leveling agent and 0.05 to 0.15 part by mass of ammonia water. KH-570 and A-151 are compounded with a silane coupling agent to perform synergistic surface modification on rutile titanium dioxide of different particle sizes, and a double-particle-size pigment step-by-step dispersion preparation process is combined, so that the synergistic improvement of the coating film density and the interface hydrophobicity is realized, the early water resistance of the water-based acrylic coating is remarkably improved, and the water-based acrylic coating has a wide application prospect.

The invention discloses a modified acrylic coating and a preparation method thereof. The modified acrylic coating comprises the following raw materials: 350-600 parts by weight of an acrylic emulsion; 5-28 parts by weight of nitrilotricarboxylic acid or a salt thereof; 300 to 505 parts by weight of fly ash; 3.30 to 5.05 parts by weight of alkaline earth metal sulfate; and 50-75 parts by weight of a rare earth oxide. The modified acrylic coating disclosed by the invention has good waterproof, tensile, corrosion-resistant, anti-aging and heat-insulating properties.

This invention relates to the field of titanium dioxide modification technology for water-based coatings, specifically to modified titanium dioxide powder, its preparation method, and water-based acrylic coatings. The modified titanium dioxide powder provided by this invention is obtained from titanium dioxide, hydrogen-containing silicone oil, and terminal epoxy-terminated allyl polyether. The modified titanium dioxide powder provided by this invention exhibits good compatibility with water-based resins and high dispersibility and stability in water-based resins. Experiments show that the modified titanium dioxide provided by this invention has good dispersibility in water-based acrylic coatings, and its thermal storage stability at 50°C can reach a minimum of nearly 30 days, equivalent to one year of stable storage at room temperature with sealing, and a maximum of up to 45 days, equivalent to one and a half years of stable storage at room temperature with sealing.

The present application relates to the technical field of paint, in particular to water-based acrylic paint, its preparation method and application. The water-based acrylic paint provided by the present application is mainly applied to the finishing coating of metal frame; the coating can reduce the number of surface coating construction, and the coating belongs to a water-based system, and the biggest difference from an oily system is environmental protection; the coating can reduce the emission of VOCs gas to the largest extent during construction, reduce the central waste gas and dust collection treatment bearing capacity, and truly realize good environmental adaptability without affecting the performance of the coating, which is beneficial to the environment and the health of construction personnel. In addition, the coating formed by the water-based acrylic paint provided by the present application has high hardness, impact resistance, adhesion and corrosion resistance, and can adapt to the application requirements of various environments, and is especially suitable for metal frame coating and rapid coating repair.

The invention discloses a high-adhesion anti-ultraviolet acrylic coating for a PC glass plate and a preparation method of the high-adhesion anti-ultraviolet acrylic coating, and belongs to the technical field of water-based paints.A self-synthesized composite ultraviolet light absorber is added in the coating preparation process, and the surface of the composite ultraviolet light absorber is of a special copper-zinc nanoneedle rough and porous structure; the coating can be endowed with good bonding strength and conductivity, static electricity caused by easy surface friction and dry environment when the PC glass plate is used as a sunshine roof is avoided, and dust and oil stain adsorption is avoided; a copper film on the surface of a copper-plated titanium dioxide microsphere is used as a site, oxidation treatment is carried out through ammonium sulfate and a sodium hydroxide solution, then electrochemical reduction is carried out on the copper-plated titanium dioxide microsphere and zinc chloride, the copper-zinc nanoneedle composite microsphere with the needle tip morphology is formed, the morphology has more active sites, enrichment of local reactants and reaction intermediates is facilitated, and the reaction efficiency is improved. The subsequent adsorption and coating of the 2-chloro-4-nitrophenyl oxyethyl methyl cyclohexane are facilitated.

The invention discloses a high-strength heat-sealing type composite packaging film for cigarettes, which relates to the technical field of packaging materials and comprises three layers of structures which are sequentially compounded: a first layer of ORP (oxidation-reduction potential) film with the thickness of 15-25 microns and the surface coated with a single-sided acrylic acid coating with the thickness of 3-5 microns, a second layer of ORP film with the thickness of 3-5 microns, and a third layer of ORP film with the thickness of 3-5 microns, and the thickness of the second layer of aluminum foil is 5-10 [mu] m, one surface is a matte surface, and the other surface is a bright surface. The three-layer composite structure is arranged, the first layer of ORP film provides a printing face and an anti-puncture supporting layer, the coating face is combined with the bright face of the aluminum foil through dry lamination 1, and initial bonding is achieved through the microscopic roughness of the bright face. The second layer of aluminum foil serves as a core barrier layer, the matte surface of the second layer of aluminum foil is combined with the non-coating surface of the third layer of ORP film through dry lamination 2, mechanical occlusion is enhanced through the matte surface concave-convex structure, the peel strength is improved compared with a traditional process, the third layer of ORP film balances the thermal shrinkage rate of the overall structure, curling caused by shrinkage difference of the aluminum foil and the ORP film is prevented, and meanwhile a heat sealing functional surface is provided.

The utility model relates to the technical field of environmental protection coating processing, and discloses a low-VOC acrylic coating processing device, which includes a bottom plate. A grinding machine is arranged on the inner wall of the grinding box. Both the front and rear ends of the grinding box are fixedly connected with feeding boxes. The driving ends of two first motors penetrate through the bottom ends of the two feeding boxes and are fixedly connected with spiral feeders. The driving end of the second motor penetrates through the inner wall of the I-shaped frame and is fixedly connected with a driving bevel gear. Both the upper and lower ends of the driving bevel gear are connected with cylindrical gears through meshing components. The left end of the upper cylindrical gear is connected with a rotating rod through a gear component one, and the lower cylindrical gear is connected with a rotating column through a gear component two. In the utility model, the auxiliary agent particles can be fully ground, the grinding efficiency and the coating processing quality are improved. Through the rotation of the stirring rods and the stirring frames in different directions, the auxiliary agent and the waterborne acrylic resin can be fully stirred, and the quality of the VOC acrylic coating is improved.

The utility model belongs to the technical field of building walls, and particularly relates to a concrete anti-seismic wall structure made of solid waste. Comprising an ardealite-fly ash-slag-quicklime outer plaster layer, an acrylic coating waterproof layer, a solid waste concrete outer page wall, a steel reinforcement framework, an anti-seismic energy consumption layer, a damping functional layer, a solid waste concrete inner page wall and an ardealite-fly ash-slag-quicklime inner plaster layer. The anti-seismic performance of the wall body is improved through the anti-seismic energy dissipation layer, the damping performance of the wall body is further improved through the steel bar framework and the damping function layer, meanwhile, the mechanical performance of the wall body is effectively guaranteed, and the heat preservation and sound insulation performance of the wall body is improved; materials for preparing the solid waste concrete are derived from industrial solid waste granite tailings, ardealite, fly ash, slag and quick lime, the resource utilization rate is increased, application of the industrial solid waste in building structures is promoted, and the trend of green development is met.

The invention relates to a high-adhesion acrylic coating and a preparation method thereof, and belongs to the technical field of coatings. The core lies in that a novel epoxy modified monomer is designed and synthesized, the monomer is successfully applied to copolymerization modification of an acrylic emulsion by introducing a crown ether structure into an epoxy group in situ, and after the prepared modified acrylic emulsion and an auxiliary agent are prepared into a coating, the initial adhesive force of the coating is remarkably improved through the epoxy group; and through the in-situ toughening effect of the crown ether structure, stress can be effectively absorbed during external force impact, and brittle falling of the coating is prevented. Tests show that the coating keeps high hardness and good flexibility, meanwhile, the adhesive force retention rate after impact and scraping of the coating is far better than that of a traditional epoxy modified coating, synergistic improvement of the adhesive force and the toughness is achieved, and the coating has remarkable application value.

This utility model discloses a raw material crusher for acrylic coating processing, belonging to the field of acrylic coating processing crushing technology. It includes a support frame and a crushing box fixedly installed on the support frame. A feed inlet is connected through the top of the crushing box, and a discharge outlet is connected through the bottom. A displacement protective seat is laterally mounted in the crushing box, and a crushing roller is rotatably connected to the displacement protective seat. Two sets of crushing rollers are laterally arranged in the crushing box. A power shaft is rotatably connected to the displacement protective seat and coaxially connected to the crushing rollers. Guide grooves are formed on the front and rear end faces of the crushing box along the lateral movement direction of the crushing rollers, and the power shaft is movably positioned in the guide grooves. A drive mechanism is provided on the support frame to drive the crushing rollers to vibrate and crush raw materials of different sizes. This crusher can fully contact and crush raw materials of different sizes and can limit the crushing speed to avoid blockage during raw material processing and improve crushing quality.

The invention relates to the technical field of coatings, in particular to a photocuring hub coating and a preparation method thereof. The invention overcomes the problems of low yield and poor aging resistance of photocureable coatings in the prior art. The preparation method comprises the following steps: preparing modified acrylic resin by taking isophorone diisocyanate, tricyclodecane dimethyl carbinol, trimethylolpropane, fluorine-containing alcohol and hydroxyethyl acrylate as raw materials; dispersing the silane modified nano aluminum oxide into a monomer to prepare a dispersed filler; the modified acrylic resin, the dispersed filler, the reactive diluent, the sulfhydryl compound, the initiator and the like are compounded to prepare an acrylic coating; and finally, carrying out infrared leveling and UV-LED and mercury lamp segmented curing film forming to obtain the photocuring wheel hub coating. According to the invention, a tricyclodecane rigid framework is introduced and is matched with a segmented curing process, so that the problem of low yield of the coating is solved; and meanwhile, by utilizing the surface migration characteristic of the fluorine-containing chain segment and nano inorganic enhancement, the aging resistance of the coating is remarkably improved.

The application provides a method for removing an acrylic coating on a metal surface. The method comprises the following steps: S1, mixing N-methyl pyrrolidone 50-70%, dimethylbenzene 10-20%, ethyl acetate 10-20% and the rest water, stirring uniformly to obtain a solution; S2, cleaning and blowing dry a sample with an acrylic coating to obtain a sample to be cleaned; S3, placing the sample to be cleaned in a fumigation machine, fumigating at 80-100 DEG C for 25-45 min, cooling and taking out; and S4, cleaning and blowing dry to obtain a sample without the coating. The sample to be cleaned is contacted with the steam of the fumigation solution by using the fumigation method, and under the high temperature and the dissolving effect of the steam, the acrylic coating is separated from the sample matrix; the method for removing the acrylic coating has the advantages of small fumigation solution consumption, low cost, high removal efficiency, good cleaning effect, low toxicity, environmental friendliness, completion in a closed system and full protection of the health of the operators.

The invention discloses a preparation method of a PDA modified BI (at) ZIF-8 photocuring composite coating on the surface of an NdFeB magnet, and particularly relates to the technical field of magnet coatings, the preparation method comprises six steps of BI (at) ZIF-8 preparation, BI (at) ZIF-8 modification, electrophoresis pretreatment, electrophoresis liquid preparation, NdFeB magnet electrophoresis in the electrophoresis liquid to form an epoxy modified acrylic acid coating, and coating curing. The BI (at) ZIF-8 has strong hydrophobicity and poor dispersibility in an electrophoresis liquid, and the PDA has good hydrophilicity, so that the PDA-BI (at) ZIF-8 composite filler is formed by self-polymerization of the dopamine hydrochloride on the BI (at) ZIF-8, the dispersibility of the BI (at) ZIF-8 in water is greatly improved, and the hydrophobicity of the BI (at) ZIF-8 is improved. Passive protection and active corrosion inhibition effects of PDA-BI-ZIF-8 are combined, so that the corrosion resistance of the epoxy modified acrylic acid light-cured composite coating is greatly improved.

Acrylic coating compositions for beverage can ends, particularly easy open beverage can ends, beverage cans, and methods of coating. The beverage cans include a metal substrate that is at least partially coated with a coating prepared from the acrylic coating composition. The composition includes an acrylic latex, a crosslinker, and optionally a lubricant.

This invention belongs to the technical field of lubricating functional materials, specifically relating to acrylic resins and their preparation methods and applications, low-friction acrylic coatings and their applications, and low-friction acrylic coatings and their preparation methods and applications. This invention provides an acrylic resin hydrolyzed under weakly alkaline conditions, a low-friction acrylic coating comprising the acrylic resin hydrolyzed under weakly alkaline conditions with degradable properties, and a low-friction acrylic coating comprising the low-friction acrylic coating with degradable properties and characterized by step-by-step controllable hydrolysis at the interface. The low-friction acrylic coating with degradable properties formed by the low-friction acrylic resin hydrolyzed under weakly alkaline conditions provided by this invention exhibits controllable degradation rate, good wear resistance, and self-renewal of the wear interface.

This invention relates to the field of polymer materials technology and discloses a method for preparing a wear-resistant and flame-retardant acrylic resin coating. The invention prepares an epoxy-based triphosphazene through esterification and click reactions. This triphosphazene, along with silica modified by a silane coupling agent, is added to an acrylic coating. During high-temperature curing, the epoxy groups contained therein react with the carboxyl groups in the matrix, which not only increases the exudation resistance of silica and small-molecule flame-retardant structures but also enhances the overall performance of the coating through the resulting cross-linked network structure. The coating prepared by this invention exhibits excellent flame-retardant properties, wear resistance, and impact resistance.

The application belongs to the technical field of varnish and specifically relates to high-gloss acrylic coating varnish and a preparation method thereof. The high-gloss acrylic coating varnish comprises a main agent, a curing agent and a diluent in a mass ratio of 2-4:1:2-4. The main agent comprises the following raw materials in parts by mass: 40-60 parts of hydroxyl acrylic resin, 5-15 parts of synthetic fatty acid resin, 5-15 parts of functional resin, 0.5-3 parts of ultraviolet absorber, 0.5-2 parts of light stabilizer, 0.2-1 part of leveling agent, 0.2-1 part of adhesion promoter and 20-40 parts of solvent A. The curing agent comprises the following raw materials in parts by mass: 60-80 parts of isocyanate and 20-40 parts of solvent B. The functional resin is YQ528A toughness resin. The high-gloss acrylic coating varnish provided by the application has the characteristics of high gloss, high adhesion, high hardness, high wear resistance, high corrosion resistance and high weather resistance.

This invention belongs to the field of acrylic coating technology, specifically relating to a photocurable silicone-modified waterborne acrylic coating and its preparation method. First, a silane-modified acrylic alcohol ester is prepared. Then, polyglycerol-2-dipolyhydroxystearate is reacted with siloxane, isocyanate, dimethylolbutyric acid, and a catalyst. After chain extension, a capping agent containing the modified acrylic alcohol ester is added dropwise at a lower temperature to seal the emulsion, resulting in a waterborne polyurethane emulsion. Propylene oxide block copolymer and butyl methacrylate are added to the emulsion, and the reaction yields a silicone-modified waterborne acrylic ester. After photocuring, a waterborne photocurable silicone-modified acrylic coating is obtained. The waterborne emulsion of this invention can effectively reduce VOC content. The prepared coating has advantages such as good adhesion, good chemical resistance, and fast UV curing. Furthermore, its resistance to photoaging and water resistance is greatly improved, and its storage life and service life are also better.