439 results about "Ethyl acrylate" patented technology

The invention relates to the field of coatings, and discloses an outer wall light radiation heat preservation and heat insulation decorative sheet and a preparation method thereof.A radiation refrigeration layer on the surface of the outer wall light radiation heat preservation and heat insulation decorative sheet comprises modified acrylate resin, silicon dioxide, ground calcium carbonate, talcum powder, modified hollow glass beads and auxiliaries; the modified acrylate resin is prepared by copolymerizing perfluorooctyl ethyl acrylate, methyl methacrylate, modified isocyano ethyl methacrylate and vinyltriethoxysilane, and the modified isocyano ethyl methacrylate is prepared by using salicylaldehyde and benzothiazole-2-formaldehyde as well as 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate as an initiator and using 2, 3, 4-trimethyl-1, 3-pentanediol monoisobutyrate as an initiator. The preparation method comprises the following steps: reacting amino groups at two ends of 1, 5-naphthylenediamine with DOPO, carrying out nucleophilic addition reaction with DOPO, and grafting with isocyano ethyl methacrylate. The modified hollow glass beads are prepared by using tetrabutyl titanate as a titanium source through a sol-gel method, and the prepared radiation refrigeration layer has the super-amphiphobic self-cleaning effect, the radiation refrigeration effect is good, and meanwhile the flame retardant property and the antibacterial effect are excellent.

The invention discloses a temperature / CO2 dual-response zwitterionic hydrogel profile control agent, which is prepared by taking a monomer A, a monomer B and a monomer C as raw materials, adding a cross-linking agent and an initiator, and carrying out polymerization reaction in a water medium. The monomer A is selected from any one of acrylamide, acrylic acid and 1-vinyl-2-pyrrolidone; the monomer B is selected from any one of [2-(methacryloyloxy) ethyl] dimethyl-(3-sulfopropyl) ammonium hydroxide, 2-methacryloyloxyethyl phosphorylcholine and 3-((2-(methacryloyloxy) ethyl) dimethylamino) propionic acid inner salt; and the monomer C is selected from any one of 2-(dimethylamino) ethyl methacrylate, dimethylamino propyl methacrylamide and polyethyleneimine. The profile control agent has double swelling mechanisms, has outstanding temperature and salt resistance, resists 220000 mg / L of mineralization water, is suitable for high-salt reservoirs, and is good in long-term aging property.

The invention belongs to the technical field of thin film capacitors, and particularly relates to a chemical grafting modified polypropylene capacitor film material and a preparation method and application thereof. According to the preparation method of the chemical grafting modified polypropylene capacitor film material, provided by the invention, diethylenetriamine ethyl acrylate with a plurality of specific groups such as amino groups and carboxyl groups and unsaturated double bonds is synthesized through esterification reaction, and the diethylenetriamine ethyl acrylate is introduced into a polypropylene material through chemical grafting to obtain chemical grafting modified polypropylene; the prepared polypropylene capacitor film material has the excellent properties of good compatibility, difficulty in film breakage, capability of adsorbing and removing residual moisture, difficulty in oxidation corrosion, excellent breakdown resistance and the like, and the preparation method is a preparation method of the high-performance polypropylene capacitor film material; therefore, the technical problem that a polypropylene capacitor film material prepared in the prior art is low in performance is solved.

The invention provides a temperature-sensitive nano-material and a preparation method thereof as well as an oil-displacing agent and application thereof, the temperature-sensitive nano-fluid comprises nano-silica and a polymer grafted on the surface of the nano-silica, and the polymer is formed by polymerizing a temperature-sensitive monomer and a vinyl hydrophilic monomer, the temperature-sensitive type monomer comprises isopropyl acrylamide and / or dimethylamino ethyl methacrylate. The temperature-sensitive nano material has excellent dispersity, thermal stability and temperature response characteristics, has good adaptability at the environment temperature of the low-permeability oil reservoir, and can improve the recovery rate of the low-permeability oil reservoir.

The invention discloses an impact-resistant packaging material and a preparation method thereof, and relates to the technical field of packaging materials. When the impact-resistant packaging material is prepared, the zinc oxide-loaded porous silicon dioxide microspheres and the phosphorus-silicon synergistic flame retardant react to prepare functionalized porous silicon dioxide microspheres; the preparation method comprises the following steps: reacting 4-[2, 2 ': 6', 2 ''-terpyridyl]-4 '-yl-benzylamine with ethyl acrylate to prepare a terpyridyl diester monomer; the preparation method comprises the following steps: carrying out condensation polymerization on ethylene glycol, a terpyridyl diester monomer and benzophenone-4, 4 '-diethyl diformate to prepare functional polyester; the functionalized polyester and 2-aminoethyl-2-cyanoacetate are subjected to a reaction, and modified polyester is prepared; and carrying out melt blending on the modified polyester, the functionalized porous silicon dioxide microspheres, zinc chloride and 1, 6-dichlorohexane, and carrying out compression molding to obtain the impact-resistant packaging material. The impact-resistant packaging material prepared by the invention has excellent anti-aging, impact-resistant, flame-retardant and antibacterial properties.

The invention relates to the field of plastic bags, and discloses a biodegradable plastic bag and a preparation method thereof, the biodegradable plastic bag comprises polylactic acid, poly (butylene adipate-co-terephthalate), a functional additive, modified starch, a lubricant and an antioxidant; the functional additive is prepared by grafting hydroxylated modified castor oil and isocyanated montmorillonite loaded titanium dioxide; the hydroxylation modified castor oil is prepared by modifying castor oil with chloroethyl isocyanate, then reacting with N-allylimidazole, and then reacting with 6-mercaptohexyl-1-alcohol; the isocyanated montmorillonite loaded titanium dioxide is prepared by reacting montmorillonite loaded titanium dioxide obtained by a sol-gel method with isophorone diisocyanate; the modified starch is prepared by reacting octadecanoyl chloride and acryloyl chloride with starch, then carrying out graft copolymerization with ethyl acrylate and further introducing glycidyl methacrylate, so that the plastic bag is endowed with excellent mechanical properties, biodegradability and antibacterial property.

The invention relates to the technical field of preparation of building materials, and discloses an ultra-high performance polycarboxylate superplasticizer for UHPC (Ultra High Performance Concrete). The superplasticizer composition comprises the following components in parts by weight: 20-30 parts of ethyl acrylate; 20 to 30 parts of sodium acrylate; the invention also provides a preparation method of the ultra-high performance polycarboxylate superplasticizer for UHPC, and the preparation method comprises the following steps: S1, raw material preparation: dissolving ethyl acrylate, sodium acrylate, sodium allylsulfonate, hexadecyl acrylate and diene peroxide in 50-100 parts of water to form a uniform solution; and S2, mixing and pre-polymerizing. By introducing nano silicon dioxide, an ultrasonic dispersion technology and a low-temperature vacuum dehydration technology, the dispersity and anti-permeability of the water reducing agent and the fluidity of concrete are improved, meanwhile, high strength is kept, and the problems that concrete is uneven in performance and poor in constructability are solved.

The invention discloses a UV-cured high-weather-resistance optical thin film and a preparation method thereof, and relates to the technical field of optical thin films. The optical film is prepared by taking polyethylene glycol terephthalate as a base material and coating the base material with a UV curing coating, and the UV curing coating comprises the following raw materials in parts by weight: 15-20 parts of aliphatic polyurethane acrylate, 5-8 parts of perfluorobutyl ethyl acrylate, 8-12 parts of hydroxyethyl acrylate, 6-10 parts of 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of 1, 2, 4-trimethyl-1, the invention relates to a UV (ultraviolet)-resistant coating which is prepared from the following raw materials in parts by weight: 1-2 parts of 2, 6-hexanediol diacrylate, 5-8 parts of trimethylolpropane triacrylate, 30-40 parts of modified epoxy acrylate, 1-2 parts of a silane coupling agent KH-570, 2-3 parts of a photoinitiator 1173, 0.5-1.2 parts of a modified ultraviolet absorbent UV-327, 0.8-1.5 parts of a hindered amine light stabilizer 540, 0.3-0.8 part of an antioxidant 1010, 0.09-0.12 part of an ultraviolet absorbent Tinuvin400 and 0.2-0.5 part of polyether modified polydimethylsiloxane. According to the UV-cured high-weather-resistance optical thin film, polyethylene glycol terephthalate is used as a base material, key raw materials such as a UV-cured coating with a scientific formula, modified epoxy acrylate and the like are finely prepared, a two-stage curing process is adopted, and the weather resistance is excellent.

The invention relates to the technical field of oil and gas field development, in particular to well cementation self-healing cement paste and a preparation method thereof. The concrete is prepared from the following components in parts by weight: 4 to 6 parts of repairing agent, 41 to 53 parts of cement, 18 to 22 parts of silica fume, 0.1 to 0.5 part of basalt fiber, 1 to 5 parts of expanding agent, 0.3 to 0.9 part of fluid loss agent, 0.2 to 0.4 part of bentonite, 1.7 to 2.3 parts of naphthalene sulfonate formaldehyde condensate, 0.1 to 0.2 part of simethicone and 1 to 3 parts of retarder, wherein the repairing agent is formed by modifying ethyl cyanoacrylate, candelilla wax and 3-isocyanate propyl trimethoxy silane according to the mass ratio of 1: (1-2): (0.1-0.3). According to the invention, ethyl cyanoacrylate is used for repairing micro cracks of cement, candelilla wax and nano silicon dioxide are used for carrying out microencapsulation to protect ethyl cyanoacrylate, and methoxy groups of 3-isocyanate propyl trimethoxy silane enhance the interface bonding force between microcapsules and a cement slurry system, so that the service life of a cement structure is effectively prolonged.

The invention relates to the technical field of conveying belt preparation, and particularly discloses an acid-base-resistant heat-resistant aramid rope conveying belt and a preparation method thereof. An acid-alkali-resistant heat-resistant aramid rope conveying belt comprises an aramid cloth core layer, an upper covering rubber layer and a lower covering rubber layer, and the upper covering rubber layer and the lower covering rubber layer are made of the same acid-alkali-resistant heat-resistant rubber composition. The acid-alkali-resistant heat-resistant rubber composition is prepared from the following raw materials: ethylene propylene diene monomer, fluorinated silicone rubber, modified silicon carbide, carbon black, acid-alkali response type microcapsules, zinc oxide, stearic acid, an anti-aging agent, an accelerant and a vulcanizing agent, the modified silicon carbide is prepared by growing a mesoporous titanium dioxide layer on the surface of a silicon carbide nanowire through an atomic layer deposition technology; the wall material of the acid-base response type microcapsule is poly (2-vinylpyridine-co-ethyl acrylate), and the core material of the acid-base response type microcapsule is nano aluminum hydroxide and polydopamine. The conveying belt has excellent heat resistance and acid and alkali corrosion resistance, and can adapt to more complex and harsh material conveying environments.

The invention relates to the technical field of well drilling plugging agents, in particular to a high-strength consolidation type plugging agent. Comprising the following components in parts by weight: 30-68 parts of a polymer matrix, 15-36 parts of composite gel, 8-16 parts of a coagulator, 5-12 parts of an initiator, 7-12 parts of a nano material, 6-21 parts of a flexibilizer, 6-13 parts of a cross-linking agent and 2-8 parts of a flame retardant, the polymer matrix is prepared by taking ethyl acrylate and butyl acrylate as main monomers, methoxyethyl acrylate as a functional monomer and monobutyl itaconate as a vulcanization point monomer through copolymerization; the mass ratio of the ethyl acrylate to the butyl acrylate to the methoxyethyl acrylate to the monobutyl itaconate is (2-3): (1-2): (1-3): 1. The plugging agent has controllable curing time, is suitable for fractured and karst cave leakage layers, is high in plugging success rate, and can effectively improve the pressure-bearing capacity of stratums. And the plugging agent has good temperature resistance and is suitable for plugging construction in a high-temperature environment.

The invention discloses a double-sided flame-retardant aluminum foil reinforced composite film and a preparation method thereof, and relates to the technical field of reinforced aluminum foil veneering. Glass fiber gridding cloth is used as a base material, flame-retardant pressure-sensitive adhesive is coated on two sides of the base material, the glass fiber gridding cloth is covered with an equal-area composite film, and the composite film is formed by coating the flame-retardant pressure-sensitive adhesive on one side of an aluminum foil and compounding an equal-area carbon fiber film. The flame-retardant pressure-sensitive adhesive disclosed by the invention is prepared from the following components in parts by weight: 8 to 12 parts of alkenyl starch, 25 to 35 parts of functional monomer, 10 to 14 parts of hydroxyl silicone oil, 10 to 20 parts of isocyanate ethyl acrylate, 25 to 35 parts of acrylic acid, 0.2 to 1 part of initiator, 3 to 10 parts of hydrotalcite and 3 to 10 parts of magnesium hydroxide. According to the flame-retardant pressure-sensitive adhesive and the preparation method thereof, the flame-retardant pressure-sensitive adhesive with excellent flame retardance, adhesion and holding power can be prepared by properly adjusting the dosage of the pressure-sensitive adhesive, and the flame-retardant pressure-sensitive adhesive can be prepared without any solvent and can be combined with an aluminum foil, glass fiber gridding cloth and a carbon fiber film to further prepare a final product.

The invention belongs to the technical field of processing aids, and relates to a production method of a PVC (polyvinyl chloride) foaming regulator, which comprises the following steps: preparing deionized water and a compound emulsifier into emulsion; adding butyl acrylate, ethyl acrylate, methyl methacrylate and modified nano calcium carbonate to prepare a pre-emulsion; adding part of the pre-emulsion and an initiator into the emulsion, and supplementing the initiator after a period of time to obtain a seed polymerization solution; uniformly mixing the residual pre-emulsion with a chain transfer agent, dropwise adding the mixture into the seed polymerization liquid, and preserving heat; adding a demulsifier, and performing vacuum drying to obtain polymer particles; and uniformly mixing a calcium-zinc stabilizer, calcium stearate and the polymer particles, heating, adding oxidized polyethylene wax, dispersing at a high speed, and cooling to obtain the PVC foaming regulator. Through material modification, polymerization process optimization and the synergistic effect of compounded components, the defects of a traditional PVC foaming regulator in the aspects of stability, melt strength, lubrication balance and dispersity are systematically overcome.

The invention relates to the technical field of synthesis of chemical products, in particular to a synthesis method of acryloyloxyethyl trimethyl ammonium chloride. According to the method, a one-pot reaction system is adopted, ethyl acrylate and N, N-dimethylaminoethanol are taken as raw materials and are subjected to quaternization reaction with chloromethane under an alkaline condition, and efficient conversion is realized through the synergistic effect of a composite catalytic system and a polymerization inhibitor. The composite catalyst is constructed by compounding magnetic nanoparticles and a metal organic framework material, forms a multilevel structure through titanate crosslinking, and has high catalytic activity and magnetic separation and recovery characteristics. The method simplifies the traditional step-by-step process, has the advantages of simple and convenient one-pot operation, recyclable catalyst, high raw material utilization rate, environmental friendliness and the like, and is suitable for large-scale preparation of acryloyloxyethyl trimethyl ammonium chloride.

The invention belongs to the technical field of eutectic electrolytes, and provides a bicontinuous eutectic electrolyte and a preparation method and application thereof. The bicontinuous eutectic electrolyte provided by the invention has a clear microcosmic bicontinuous phase separation structure, an ion phase region (deep eutectic electrolyte) can realize efficient ion transmission, and a mechanical phase region can ensure sufficient mechanical support; therefore, according to the bicontinuous eutectic electrolyte, the ionic conduction performance and the mechanical performance can be synergistically improved, so that the electrochemical performance and the safety performance of the lithium ion battery are improved, and macroscopically, the bicontinuous eutectic electrolyte has long cycle stability. Meanwhile, at least two of 2, 2, 2-trifluoroethyl acrylate, 2-(perfluorobutyl) ethyl methacrylate and perfluorohexyl ethyl acrylate are used as polymer monomers, so that the fluorine content of the bicontinuous eutectic electrolyte is high, and the long cycle stability of the bicontinuous eutectic electrolyte can be further improved.

The invention provides a high-thermal-conductivity pouring sealant which comprises the following components in parts by weight: a component A consisting of modified bisphenol A epoxy resin, polyether polyol, isocyanate ethyl acrylate, a siloxane coupling agent, a platinum catalyst, hollow glass microspheres and zinc borate, the component B is composed of vinyl silicone oil, dimethyl silicone oil, a modified heat-conducting filler, allyl glycidyl ether and a silane coupling agent; through the synergistic effect of the component A and the component B, the pouring sealant with the properties of high heat conductivity, high flame retardance and the like is obtained.

The invention provides a production method of ethyl 3-ethoxypropionate, and belongs to the technical field of organic synthesis. The preparation method comprises the following steps: adding ethanol and a catalyst into a reactor, dropwise adding ethyl acrylate, stirring for reaction, filtering, and recovering the catalyst to obtain ethyl 3-ethoxypropionate; the catalyst is a modified UiO-66-NH2 / layered metal oxide catalyst loaded with K2O (potassium oxide). The synthesis of the ethyl 3-ethoxypropionate is carried out under the catalytic action of the catalyst, the preparation method is simple, the conditions are mild, the product yield is high, the catalyst can be repeatedly utilized for multiple times, the method is green and environment-friendly, the cost is relatively low, and the method has a wide application prospect.

The invention relates to a wafer cutting protection liquid and a preparation method thereof. The wafer cutting protection liquid comprises the following raw materials: modified water-soluble resin, an organic solvent, a wetting agent, a pH regulator, an ultraviolet light absorber and water. The modified water-soluble resin is prepared by the following steps: carrying out free radical polymerization reaction on vinyl acetate, ethyl-3-(1-pyrrolidinyl) ethyl acrylate and 3, 3-dimethyl acrylate to obtain a copolymer, and then carrying out alcoholysis on the copolymer to obtain modified polyvinyl alcohol. The invention has the following beneficial effects: by using the modified water-soluble resin composed of the vinyl acetate, the ethyl-3-(1-pyrrolidinyl) ethyl acrylate and the 3, 3-dimethyl acrylate copolymer, a protective film can be rapidly formed on the surface of a wafer; and meanwhile, the protective film layer formed by the wafer cutting protective liquid can be completely removed by using pure water. According to the wafer cutting protection liquid disclosed by the invention, a cutting line can be straight without edge breakage during wafer laser cutting, and sintering can be effectively avoided.

The invention relates to transfer printing ink as well as a preparation method and application thereof, and belongs to the technical field of ink. The transfer printing ink comprises the following components: modified acrylic resin, a surfactant, a dye, a lubricant, other auxiliary agents and deionized water, the preparation method of the modified acrylic resin comprises the following steps: mixing acrylic acid, ethyl methacrylate, hydroxyethyl acrylate, fumed silica, lauryl sodium sulfate, an initiator and deionized water, heating, adding an antibacterial agent, glycidyl methacrylate and absolute ethyl alcohol, and stirring at a constant temperature to obtain the modified acrylic resin. The prepared modified acrylic resin provides excellent dispersion stability for other components, so that the ink can keep stable flowability and viscosity for a long time, the problems of gelling, oil-water separation, thickening and the like are not easily generated, and the antibacterial property, hardness and adhesive force of the ink are remarkably improved; the water-based ink formed by mixing the components is ensured to have high film-forming hardness, remarkable antibacterial property and strong adhesive force to a base material.

The invention particularly relates to a high-performance acrylate pressure-sensitive adhesive and a preparation method thereof. The acrylate pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: 80 to 100 parts of acrylate monomer, 2 to 8 parts of epoxy resin, 5 to 10 parts of functional monomer, 0.2 to 0.8 part of initiator and 40 to 60 parts of solvent. Wherein methyl methacrylate, n-butyl acrylate, ethyl acrylate and methoxyethyl acrylate are used as comonomers, acrylic acid, N-methoxyacrylamide and hydroxyethyl acrylate are used as functional monomers, and epoxy resin is matched to prepare the acrylate pressure-sensitive adhesive with an epoxy group. Good adhesive performance, high-temperature and high-humidity resistance and weather resistance are shown. The pressure-sensitive adhesive solution can be stably stored at room temperature, and when the acrylate pressure-sensitive adhesive solution is used for preparing an adhesive tape, a cross-linking agent does not need to be used, so that the operation is simple, and the application range is wide.

The invention relates to the technical field of lithium ion battery diaphragms, in particular to a high-temperature-resistant modified acrylic acid composite material and a preparation method thereof. The high-temperature-resistant modified acrylic acid composite material comprises a polypropylene diaphragm and coating slurry coated on at least one side of the polypropylene diaphragm, the coating slurry is prepared from the following raw materials: n-butyl acrylate, methyl methacrylate, ethyl acrylate, toluene diisocynate, methacrylic anhydride, graphene oxide, nanoscale ceramic powder, polyvinylidene fluoride, vinyltriethoxysilane, polysiloxane, a dispersing agent, a catalyst and a solvent. According to the invention, high safety can be brought to the battery, high temperature resistance is realized, the diaphragm can tolerate high temperature, the service life of the battery is obviously prolonged, and the safety is greatly improved.

The invention discloses a high-strength acrylate rubber material and a preparation method thereof, and relates to the technical field of high polymer materials. When the high-strength acrylate rubber material is prepared, polyhydroxy imidazolium salt and phosphorus pentoxide react to prepare a functional flame retardant; reacting the pre-modified glass fiber with hydrazine hydrate to obtain modified glass fiber; the preparation method comprises the following steps: carrying out solution polymerization on ethyl acrylate, butyl acrylate, acryloxy propyl bis (trimethylsiloxy) methylsilane and glycidyl methacrylate to prepare acrylate raw rubber; the high-strength acrylate rubber material is prepared by uniformly mixing acrylate raw rubber, the modified glass fiber, a functional flame retardant and triphenyl phosphine, plastifying and thin-passing. The high-strength acrylate rubber material prepared by the invention has excellent flame-retardant, antibacterial, anti-aging and mechanical properties.

The invention relates to the technical field of sealants, in particular to UV (ultraviolet) curing type liquid ethylene propylene diene monomer applied to a battery sealant and a preparation method of the UV curing type liquid ethylene propylene diene monomer, and the UV curing type liquid ethylene propylene diene monomer comprises the following components in parts by weight: 20-30 parts of liquid ethylene propylene diene monomer, 20-30 parts of petroleum ether, 0.2-1 part of sulfydryl-1, 2-propylene glycol, 0.05-0.5 part of an initiator, 20-30 parts of acetone, isocyanate ethyl acrylate and 0.1-0.2 part of a catalyst. And 0.1 to 0.2 part of a polymerization inhibitor. Liquid ethylene propylene diene monomer containing 10% of a third monomer is used as a raw material for modification, and a photocuring group is grafted to a molecular side chain of the liquid ethylene propylene diene monomer through a thiol-ene click reaction and an addition reaction of isocyanate, so that after the battery sealant is prepared, a rapid curing effect can be realized through LED irradiation at a dispensing position, and the service life of the battery sealant is prolonged. Therefore, the production speed is increased and the production cost is reduced.

The invention provides light-cured 3D printing resin as well as a preparation method and application thereof, and relates to the technical field of 3D printing. The light-cured 3D printing resin is prepared from the following raw materials in parts by weight: 10 to 60 parts of multi-cured closed polyurethane acrylate, 10 to 40 parts of low-water-absorption resin, 10 to 50 parts of low-water-absorption monomer, 5 to 30 parts of chain extender and 1 to 4 parts of initiator, the multiple curing closed type polyurethane acrylate is polyurethane acrylate terminated by ethyl 3-(2-trimethylacetamido-3-pyridyl) acrylate, and the multiple curing closed type polyurethane acrylate is polyurethane acrylate terminated by ethyl 3-(2-trimethylacetamido-3-pyridyl) acrylate; the low-water-absorption resin comprises low-water-absorption acrylate resin and / or low-water-absorption methacrylate resin, and the water absorption is less than 2%; the low-water-absorption monomer comprises a low-water-absorption acrylate monomer and / or a low-water-absorption methacrylate monomer, and the water absorption is less than 2%. The photocuring 3D printing resin has the advantages of being excellent in mechanical property, low in viscosity and high in printing speed.

The invention relates to the technical field of optical transparent adhesives, and particularly discloses a flexible screen optical transparent adhesive film and a preparation method of the flexible screen optical transparent adhesive film. Comprising the following steps: mixing 2-ethylhexyl acrylate, 2-[2-[2-(2-hydroxyethoxy) ethoxy] ethoxy] ethyl acrylate, an acrylic acid short-chain prepolymer, a chain transfer agent and a photoinitiator, stirring, and performing ultraviolet irradiation to obtain an acrylic acid prepolymer; adding a coupling agent, a cross-linking agent, an antioxidant and a photoinitiator into the acrylic prepolymer, mixing, stirring, and carrying out vacuum defoaming to obtain a mixture; and filling the mixture between the release protective films and then carrying out ultraviolet curing. The flexible screen optical transparent adhesive film provided by the invention can meet low elastic modulus at normal temperature and low temperature, high peel strength at normal temperature and high temperature and excellent creep property, can balance the three components, can meet various requirements of flexible screen display equipment at the same time, and has a good application prospect.

The invention relates to the technical field of sustained-release capsules, and particularly discloses a tamsulosin sustained-release capsule based on an instant coating and a preparation method of the tamsulosin sustained-release capsule. Comprising the following steps: S1, taking microcrystalline cellulose and talcum powder, and mixing to obtain a dry material; adding tamsulosin hydrochloride into water to prepare a liquid medicine; taking the methacrylic acid-ethyl acrylate copolymer dispersion liquid, adding glycerol triacetate and sodium carboxymethyl cellulose, and uniformly stirring to obtain a granulation dispersion liquid; s2, preparing pellets from the liquid medicine, the dry material and the granulation dispersion liquid; s3, taking the methacrylic acid-ethyl acrylate copolymer dispersion liquid, adding water, glycerol triacetate and the modified polyacrylate emulsion, and uniformly stirring; adding talcum powder, and uniformly stirring to obtain a coating solution; coating the pellets with a coating solution to obtain coated pellets; and S4, mixing talcum powder, calcium stearate and the coated pellets, and filling capsules with the mixture to obtain the tamsulosin sustained-release capsules.

The invention discloses a water-based acrylate antistatic coating as well as a preparation method and application thereof. Comprising the following steps: 1, mixing styrene, methyl methacrylate, butyl acrylate, ethyl acrylate, acrylic acid, lauryl sodium sulfate, a composite filler and deionized water, and carrying out high-speed shearing and pre-emulsification to form a monomer emulsion; 2, sodium bicarbonate, deionized water and ammonium persulfate are mixed, the temperature is increased to 75-80 DEG C, the monomer emulsion is slowly dropwise added, heat preservation is conducted for 1-2 h after dropwise adding is completed, the temperature is reduced to 40-50 DEG C, the pH is adjusted to 7-8, deionized water is added according to the volume ratio of 1: 1, and the waterborne acrylate antistatic coating is obtained. The preparation method has the beneficial effects that based on monomers such as styrene and methyl methacrylate, a composite filler is introduced to participate in emulsion polymerization, so that the waterborne acrylate antistatic coating is obtained; according to the method, the antistatic performance of the material is remarkably improved, and the mechanical strength and flame retardance of the material are effectively enhanced.

The invention belongs to the technical field of coating preparation, and provides a water-based biomass coating with a self-cleaning function and a preparation method of the water-based biomass coating. After lignin is subjected to alkali dissolution purification, acrylic anhydride modification and dopamine grafting, the lignin and soybean protein subjected to enzymolysis treatment are subjected to dopamine modification and glutaraldehyde cross-linking compounding to form modified lignin protein, the modified lignin protein is introduced into an acrylic monomer emulsion polymerization system to be copolymerized with ethyl acrylate and methyl methacrylate, and the modified lignin protein is obtained. The preparation method comprises the following steps: preparing a water-based acrylic copolymer emulsion, preparing a PDA-metal network and low-surface-energy particles at the same time, enabling the low-surface-energy particles to form a super-hydrophobic structure through an electrolyte layer and surface modification, compounding the water-based acrylic emulsion with chitosan-citrate, the PDA-metal network and the low-surface-energy particles, and adding a flatting agent and a defoaming agent to adjust the performance of the coating. The water-based biomass coating with the self-cleaning function is prepared.

The invention provides a preparation method of printing ink and a product thereof. According to the method, 2-(2-vinyloxyethoxy) ethyl acrylate and polyoxyethylene lauryl ether are adopted to improve the leakage resistance of the bottom-covering ink; the steady-state surface tension of the ink is set to be smaller than the surface tension of the ink holding part, and the ink use efficiency is improved by increasing the difference value between the two surfaces; the surface tension of the bottom layer ink is larger than that of the surface layer ink, so that the spreading capacity of the surface layer ink during superposition printing is improved; through deoxidation treatment, the jet stability of the ink is improved; 1, 2, 2, 6, 6-pentamethyl-4-piperidyl methacrylate is adopted, so that the storage stability of the ink is improved; surface layer ink and a carbonyl-containing printing medium are isolated through bottom covering ink, black scales are peeled off through N-cyclohexyl-2-pyrrolidone, and the light resistance of surface layer ink printed matter is improved.

The application relates to the field of decorative materials, in particular to a wear-resistant decorative paper and a preparation method thereof. The preparation method of the wear-resistant decorative paper comprises the following steps: coating wear-resistant paint on the surface of base paper to form a wear-resistant coating layer through drying treatment, so that the wear-resistant decorative paper is prepared; the wear-resistant paint is prepared by using acrylic acid hydroxy ester, ethyl acrylate and methyl methacrylate, so that the wear-resistant paint has good adhesion; the wear-resistant paint is prepared by using divinylbenzene and styrene, so that the hardness and strength of the film layer formed by the wear-resistant paint are improved; the wear-resistant paint is prepared by using vinyl silicone oil, so that the flexibility and water / oil repellency of the film layer formed by the wear-resistant paint are improved; the wear-resistant paint is prepared by using acrylic acid hydroxy ester, ethyl acrylate, methyl methacrylate, divinylbenzene, styrene and vinyl silicone oil, so that the prepared wear-resistant decorative paper has excellent wear resistance.