253 results about "Ethyl acrylate" patented technology

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 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 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 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 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.

The invention discloses a scale dissolving agent for rapidly dissolving wet-process phosphoric acid scaling substances as well as a preparation method and application of the scale dissolving agent, and belongs to the technical field of descaling. The scale dissolving agent comprises the following components in percentage by weight: 20-30% of a scale remover, 3-5% of a penetrating agent, 0.3-0.8% of a penetrating aid, 0.5-1% of a surfactant, 0.3-0.5% of a synergist and the balance of water, wherein the descaling agent comprises trisodium citrate dehydrate, sodium ethylene diamine tetracetate and ammonium fluoride; the penetrating agent is prepared from dioctyl sodium sulfosuccinate and perfluoroalkyl ethyl acrylate; the permeation auxiliary agent comprises disodium hydrogen phosphate and sodium carbonate; and the synergist is 1-ethyl-3-methylimidazolium acetate. The scale dissolving agent is specially used for dissolving wet-process phosphoric acid scaling substances and has the advantages of being high in scale dissolving speed, mild in reaction condition, low in formula cost and the like, the pH value of the scale dissolving agent is neutral and slightly alkalescent, and corrosion to production equipment is effectively avoided.

The invention provides a preparation method of a non-bulking waterproof moisture-permeable TPU film, and belongs to the technical field of TPU film preparation, and the preparation method of the non-bulking waterproof moisture-permeable TPU film comprises the following steps: stirring raw materials by a high-speed mixer for mechanical mixing; carrying out chemical reaction on the raw material, a divinylbenzene-ethyl acrylate-acrylamide copolymer and butylated hydroxytoluene, and adding tetrahydrofuran to adjust the viscosity of a reaction system, so as to obtain a TPU film material; heating, pressurizing and extruding the mixture through a screw extruder to form a film, plasticizing TPU particles into a semi-finished product, and filtering impurities and re-plasticizing on a filter of calendering equipment; carrying out annealing treatment, cooling in cold water, and pulling out the cooled TPU stretching film from a demolding opening of the demolding machine; the problems that an existing TPU film is poor in preparation size stability and prone to deformation can be solved.

The invention discloses an acrylic acid silane ester self-renewal antifouling resin based on cation-pi interaction as well as a preparation method and application of the acrylic acid silane ester self-renewal antifouling resin. Methyl methacrylate, ethyl acrylate, triisopropylsilyl methacrylate, acrylic acid-2-methyl ethyl ester, paeonol methacrylate and acryloyloxyethyl trimethyl ammonium chloride are synthesized through a random free radical polymerization reaction with azodiisobutyronitrile and benzoyl peroxide as initiators. Wherein the methacrylic acid paeonol ester monomer is prepared by carrying out substitution reaction on paeonol and methacryloyl chloride. The anti-fouling agent is anchored on the surface of the coating again through cation-pi interaction, so that the anti-fouling effect is enhanced, and the coating still has good anti-fouling capacity even in a static environment.

The invention provides a dispersing agent for positive electrode slurry of a lithium ion battery, a preparation method of the dispersing agent, the positive electrode slurry, a positive plate and the lithium ion battery, and relates to the technical field of lithium ion batteries. The dispersing agent for the lithium ion battery positive electrode slurry is a comb-shaped polymer, the comb-shaped polymer comprises a main chain and a side chain, the main chain is formed by 2-(dimethylamino) ethyl methacrylate and methacrylic acid, and the side chain is formed by methoxy polyethylene glycol methacrylate grafted by vinyl (C = C). Through detection and verification, the dispersant provided by the invention can effectively inhibit agglomeration and sedimentation of lithium iron phosphate in a water-based system, so that the uniformity and fluidity of slurry are improved, and a lithium ion battery positive pole piece is endowed with better compaction density and electrochemical performance.

The invention discloses a composition, a medicine and application of the medicine in tumor treatment, and relates to the technical field of tumor treatment. The composition comprises a methacrylic acid-ethyl acrylate copolymer and photosynthetic bacteria, wherein the photosynthetic bacteria are coated in the methacrylic acid-ethyl acrylate copolymer. According to the invention, not only are the problems of insufficient stability and low bioavailability of oral bacteria in vivo solved, but also intestinal-tumor immune cascade reaction and flora homeostatic reconstitution are realized through a multi-way action mechanism, and the preparation has an important clinical application prospect.

The invention discloses a preparation process and application of modified polymer-based oil polish, and the preparation process comprises the following steps: adding deionized water into a reactor, adding an emulsifier and modified silicon dioxide, adding part of methyl methacrylate, ethyl acrylate, butyl acrylate and acrylic acid, and uniformly stirring; adding an ammonium persulfate aqueous solution for reaction, dropwise adding the residual parts by mass of methyl methacrylate, ethyl acrylate, butyl acrylate and acrylic acid, heating for reaction after the dropwise addition of the monomer is completed, cooling to room temperature after the reaction is completed, and filtering to obtain a modified acrylate emulsion; uniformly mixing the modified acrylate emulsion, a flatting agent, a wetting agent, a coalescing agent, a defoaming agent and deionized water, and filtering to obtain the modified polymer-based oil polish. The oil polish disclosed by the invention has excellent leveling property, high glossiness and good wear resistance.

The invention relates to the technical field of preparation of printing ink, in particular to a preparation method of high-water-resistance printing ink, which comprises the following steps: taking 50-80 parts of self-crosslinking waterborne polyurethane resin, adding 3-8 parts of silane coupling agent and 2-5 parts of hydroxyl-terminated polydimethylsiloxane, stirring for 1.5-3 hours, adding 1-4 parts of amino modified nano silicon dioxide, and carrying out ultrasonic dispersion to obtain amphiphilic modified resin; adding 1-3 parts of a titanate coupling agent into 15-30 parts of pigment, stirring, and adding mica powder and a dispersing agent to obtain a core-shell pigment and filler dispersion liquid; adding 2-6 parts of perfluoroalkyl ethyl acrylate copolymer into 5-12 parts of polyvinylidene fluoride emulsion, stirring, and adding a defoaming agent and an ultraviolet absorbent to obtain an interpenetrating network functional aid solution; adding the pigment and filler dispersion liquid into the amphiphilic modified resin, stirring at 60-80 DEG C, introducing nitrogen, and adding the auxiliary liquid for cross-linking in batches; and dropwise adding a thickening agent, and filtering to obtain the high-water-resistance printing ink. The ink prepared by the invention is excellent in water resistance, and an ink layer is not easy to fall off and swell; the storage is stable and the viscosity change is small; the device adapts to multiple scenes, and is resistant to chemical corrosion and ultraviolet aging; and printing is smooth, film forming is uniform, environmental protection is achieved, and industrial production is facilitated.

The invention relates to a preparation method of 3-ethoxy isoamyl propionate, and belongs to the technical field of organic solvent synthesis. The preparation method of the 3-ethoxy isoamyl propionate comprises the following steps: S1, adding ethanol, a polymerization inhibitor and a catalyst A into a reaction kettle, heating to 40-55 DEG C, then dropwise adding ethyl acrylate, preserving heat, and carrying out addition reaction for 1-3 hours to obtain a reaction mixture; s2, adding an acidic material for neutralization, and carrying out vacuum rectification to obtain ethyl 3-ethoxypropionate; s3, adding ethyl 3-ethoxypropionate and a catalyst B into a reaction kettle, heating to 100-120 DEG C, introducing isoamyl alcohol, controlling the reaction temperature to 100-115 DEG C, and carrying out transesterification for 2.5-4 hours to obtain a crude product; and S4, cooling to stop the reaction, separating to remove the catalyst B, and carrying out reduced pressure rectification on the obtained crude product to obtain the 3-ethoxypropionic acid isoamyl ester. The method has the effects of mild process, high conversion rate and high product yield.

The invention belongs to the technical field of organic synthesis, and particularly relates to a synthesis method of an isoxazoline compound. The preparation method comprises the following steps: dissolving a compound 1 and ethyl acrylate in dichloroethane, then adding tert-butyl nitrite, alkali and K2S2O8, in an air environment, irradiating with a 35 W blue LED light source and stirring at room temperature for 12 hours, after the reaction is completed, reducing pressure to remove a solvent, and then performing silica gel column chromatography on a crude product to obtain a product, namely the isoxazoline compound. The synthesis method provided by the invention avoids the problem of residue of a traditional metal catalyst, and provides a new normal form for green synthesis of the isoxazoline compound. As a key intermediate, isoxazoline can derive beta-lactam, beta-amino alcohol and other structures, and a new path is provided for complex molecule synthesis.

The invention discloses a boiler deashing and decoking agent, and belongs to the field of boiler deashing and decoking. Comprising the following substances in parts by weight: 15-20 parts of sodium carbonate, 5-10 parts of sodium sulfate, 20-25 parts of potassium hydroxide, 12-16 parts of 8-hydroxyquinoline sulfate, 10-15 parts of modified nano silicon dioxide, 1-2 parts of polyvinylpyrrolidone, 3-5 parts of potassium chlorate, 2-6 parts of sodium lignin sulfonate, 3-5 parts of polyoxypropylene triol, 2-4 parts of an ethyl acrylate-acrylonitrile copolymer and 20-30 parts of modified calcium carbonate. The modified nano silicon dioxide can be uniformly dispersed in the medicament by virtue of nano-scale particle size and surface modification treatment, so that the contact area with deposited ash and coke blocks is increased, and the removal efficiency is improved; the polyvinylpyrrolidone is helpful for keeping the components in a good dispersion state in the use process, and agglomeration is avoided; and through the synergistic effect of all the raw materials, a good ash removal and decoking effect can be achieved, so that normal use of the boiler is ensured.

The invention belongs to the technical field of lubricating oil additives, and particularly relates to an anti-foaming agent and a preparation method and application thereof. The anti-foaming agent provided by the invention is a copolymer of a monomer 1 and a monomer 2, the monomer 1 comprises 2-ethylhexyl acrylate, and the monomer 2 comprises one or two of ethyl acrylate, styrene and butyl acrylate. The anti-foaming agent provided by the invention has good thermal stability and can adapt to long-term use in a higher-temperature environment; meanwhile, the anti-foaming agent provided by the invention has good compatibility with mineral oil, synthetic oil and other oil substances, and can be uniformly dispersed in lubricating oil. The anti-foaming agent provided by the invention has an excellent anti-foaming effect when being used in high-viscosity lubricating oil.

The invention belongs to the technical field of angiographic contrast agents, and particularly relates to an angiographic contrast agent for corpses and a preparation method of the angiographic contrast agent. The angiographic contrast agent for the corpse is prepared from the following components in parts by mass: 20 to 35 parts of iodine-containing polymer, 30 to 50 parts of iodo-benzene ring compound, 90 to 150 parts of glycerol triacetate, 30 to 40 parts of dimer acid and 600 to 800 parts of liquid paraffin, the iodine-containing polymer is obtained by copolymerizing (methyl) C4-6 alkyl acrylate, polyethylene glycol diacrylate and an iodine-containing monomer, and the iodine-containing monomer is selected from at least one of 3-iodine-ethyl acrylate, 3-iodine-methyl acrylate and (methyl) iodobenzyl acrylate. The blood vessel contrast agent disclosed by the invention can realize an excellent blood vessel contrast effect on a corpse, can also obtain a relatively ideal contrast effect for a corpse with relatively long death time, and provides powerful support for the corpse work.

The invention relates to the field of materials, and discloses a low-temperature-resistant fluororubber heat-shrinkable sleeve and a preparation method thereof. The low-temperature-resistant fluororubber heat-shrinkable sleeve is prepared by taking fluororubber, an ethylene-ethyl acrylate copolymer, a nano magnesium hydroxide flame-retardant graft and an attapulgite graft as main raw materials and an antioxidant, a lubricant and the like as auxiliary materials through the processes of mixing, extrusion, irradiation, expansion and the like. Wherein the nano magnesium hydroxide flame-retardant graft is obtained by carrying out surface phosphorus-silicon modification on nano magnesium hydroxide by using triphenyl isocyanate thiophosphate and 2-amino-1-(butyldimethylsiloxy) butane, and has an efficient flame-retardant effect; the attapulgite graft is formed by grafting attapulgite to a polymer, agglomeration is prevented, the low-temperature resistance can be better exerted, and the finally prepared heat-shrinkable sleeve has low-temperature resistance and flame retardance.

This invention discloses a hot-melt road marking paint. It is made from the following raw material components in parts by weight: 50-100 parts of aminopropyltriethoxysilane-modified petroleum resin, 20-40 parts of ethylene-ethyl acrylate resin, 20-40 parts of glass microspheres, 20-40 parts of filler, 3-8 parts of pigment, 5-10 parts of abrasion-resistant agent, 1-5 parts of anti-settling agent, 1-3 parts of antioxidant, and 1-3 parts of silane coupling agent. The hot-melt road marking paint of this invention uses aminopropyltriethoxysilane-modified petroleum resin and ethylene-ethyl acrylate resin as the main materials, resulting in high mechanical properties. The addition of glass microspheres and transparent gunmetal powder enhances the reflectivity of the material. The combined use of silicon carbide micropowder and polytetrafluoroethylene micropowder enhances the abrasion resistance of the material.

The application relates to the technical field of high polymer coating and discloses heat-insulating coating for building glass and a preparation method thereof.The heat-insulating coating for building glass comprises the following raw materials: methyl methacrylate, ethyl methacrylate, propyl acrylate, alkenyl titanium dioxide, acetone, sodium dodecyl benzene sulfonate, an initiator, a film-forming aid, a defoaming agent and multifunctional cross-linking additive.Through the participation of the multifunctional cross-linking additive in the preparation process of the heat-insulating coating for building glass, the selective property of the alkenyl titanium dioxide to the sunlight spectrum is utilized to shield infrared light and block ultraviolet light, so that the heat-insulating effect of the coating is realized; the prepared coating has excellent mechanical strength, corrosion resistance, adhesion, waterproof and antifouling properties and heat-insulating effect and has a long service life.

The invention belongs to the technical field of traditional Chinese medicine preparations, and particularly relates to a traditional Chinese medicine preparation for treating pleural effusion and peritoneal effusion and a preparation method thereof.The traditional Chinese medicine preparation is prepared from, by weight, 10-50 parts of traditional Chinese medicine extract, 30-70 parts of filler, 5-20 parts of enteric coating material, 5-15 parts of HPMC, 0.5-2 parts of triethyl citrate and 0.25-1.5 parts of magnesium stearate; poria cocos, polyporus umbellatus, rhizoma alismatis, astragalus membranaceus, curcuma zedoary, cassia twig, oldenlandia diffusa, sculellaria barbata, semen coicis and traditional Chinese medicine extracts are used as cores, the stability of volatile drugs is improved through an inclusion technology, and the volatile drugs are entrapped in a pH intelligent response type enteric coating material composed of aromatic ring-containing vinyl monomers, ethyl acrylate, DMAEMA and MAA. The traditional Chinese medicine preparation has the synergistic effect of efficiently inducing diuresis, activating blood circulation and eliminating tumors and enteric-coated long-acting directional delivery, and is suitable for patients with pleural effusion and peritoneal effusion, especially malignant effusion.

The application discloses a preparation method of a rare earth coordination type force-induced multi-fluorescent color variable gel, and comprises the following steps: dissolving a Schiff base ligand molecule, a monomer, an initiator and a crosslinking agent in deionized water, and stirring uniformly to obtain a stable solution, wherein the monomer is at least one of acrylamide, ethyl acrylate, methyl acrylate and methacrylic acid; adding a rare earth compound into the stable solution to obtain a prepolymer solution, and obtaining the rare earth coordination type force-induced multi-fluorescent color variable gel through free radical polymerization; the method has mild conditions, simple steps and is easy to realize. The application further discloses the force-induced multi-fluorescent color variable gel prepared through the preparation method; the types of the rare earth ions and the Schiff base ligand molecules are adjusted to obtain a multi-color fluorescent gel, and the visual fluorescent color change is realized under the action of external force. The force-induced multi-fluorescent color variable gel is combined with other functional materials to realize the integration of multiple functions, and can be applied to multiple fields such as optical devices and mechanical sensors.

The invention relates to the technical field of papermaking additives, in particular to an elastomer reinforcing agent, a preparation method thereof and paper, and the elastomer reinforcing agent comprises the following raw materials in parts by weight: 70-80 parts of pure water, 11.5-14.5 parts of styrene, 3.0-4.0 parts of tert-butyl acrylate, 1.0-3.0 parts of 2-ethylhexyl acrylate and 1.8-2.2 parts of glycidyl methacrylate. 1.0-1.5 parts by weight of methyl methacrylate, 2.0-3.0 parts by weight of ethyl acrylate, 0.03 part by weight of an initiator, 0.18 part by weight of a terminator and 1.3-1.5 parts by weight of an emulsifier. The elastomer reinforcing agent disclosed by the invention has good mechanical properties, can be well stretched and rebounded, and can effectively enhance the folding strength and the ring crush index of paper when being applied to the paper; according to the preparation method disclosed by the invention, polymerization reaction is carried out step by step by controlling the form of generating the prepolymer, so that the conversion rate is increased, an additional purification step is not needed, and the technological process is simplified.

The invention relates to the technical field of household kitchens, in particular to a super-hydrophobic building coating with a bionic lotus leaf structure, which is characterized in that organic silicon-acrylate composite resin is used as a base material, and modified nano silicon dioxide and nano zinc oxide are matched to construct a dual-scale micro-nano coarse structure; a multi-coupling system composed of gamma-aminopropyltriethoxysilane and a titanate coupling agent, and low-surface-energy components such as perfluorooctyl ethyl acrylate and a fluorocarbon surfactant are used as auxiliary materials. The preparation process comprises the steps of composite resin preparation, nano material pretreatment, step-by-step dispersion preparation and layered coating curing, the initial water contact angle of the coating exceeds 150 degrees, and the coating has excellent weather resistance, wear resistance and interface bonding force and can still keep stable super-hydrophobic performance after being exposed to the environment for a long time. The coating is suitable for various building base materials such as concrete, metal and wood, is particularly suitable for parts such as building outer walls and roofs exposed to severe environments for a long time, and can realize waterproof, antifouling and self-cleaning functions.

The invention discloses a nano composite ionic gel material with impact resistance and a preparation method thereof, and belongs to the field of polymer composite materials. The preparation method comprises the following steps: mixing and heating 5-methyl-2-isopropyl phenol and tetrabutylammonium tetrafluoroborate to prepare a solvent, adding isobornyl acrylate, hexafluorobutyl acrylate, KH570 modified silicon dioxide nanoparticles, 2, 6-diphenyl phenoxyethyl acrylate, a photoinitiator and a cross-linking agent into the solvent, and uniformly stirring to obtain the photocuring coating. And carrying out photopolymerization to obtain the nano composite ionic gel material. The nano-composite ionic gel material with impact resistance prepared by the invention is soft in a normal state and low in modulus; and when high-speed impact occurs, rapid and efficient energy dissipation occurs in the interior, the modulus is sharply increased, and the intelligent protection effect of'being rigid when encountering rigid and being flexible when encountering flexible 'can be achieved.

The invention belongs to the technical field of acrylate emulsion, and particularly relates to organic fluorine modified bio-based acrylate self-repairing emulsion as well as a preparation method and application thereof. The self-repairing emulsion is prepared from the following components in parts by mass: 25-55 parts of an unsaturated bio-based acrylate monomer, 14-31 parts of a composite functional monomer, 4-12 parts of a composite reactive emulsifier, 3-5 parts of potassium persulfate and 200-300 parts of deionized water, wherein the unsaturated bio-based acrylate monomer is prepared from the following components in parts by mass: 10 to 25 parts of bio-based 2-octyl acrylate and 15 to 30 parts of bio-based ethyl acrylate. The organic fluorine modified bio-based acrylate self-repairing emulsion is environmentally friendly in the production and use process, the stability of the emulsion is better than that of an emulsion prepared through a traditional method, and the emulsion has the self-repairing characteristic.

This invention provides an antistatic pipe and its preparation method, comprising an inner layer, a middle layer, and an outer layer arranged sequentially from the inside out. The middle layer is a porous thin-walled steel pipe, and both the inner and outer layers are made of composite materials. By weight, the composite material comprises the following raw materials: 55-65 parts heat-resistant polyethylene, 6-10 parts high-density polyethylene, 5-15 parts ethylene-ethyl acrylate copolymer, 6-10 parts sulfonated polyolefin, 2-6 parts titanate-modified vermiculite powder, 3-7 parts phosphorus-nitrogen composite flame retardant, 2-4 parts nano-indium tin oxide, 1-1.5 parts zinc stearate, 0.5-0.7 parts antioxidant, and 1.5-2.5 parts maleic anhydride-grafted polyethylene. The synergistic effect of the multiple components in this invention enables the prepared antistatic pipe to achieve breakthroughs in antistatic, mechanical, and flame-retardant properties, making it suitable for high-risk environments.

This invention discloses a method for preparing ethyl 4-pyrazolamide. A dichloromethane solution of ethyl 3-(N,N-dimethylamino)acrylate is added dropwise to a dichloromethane solution containing a chlorine-containing reagent and N,N-dimethylformamide. After addition, the mixture is stirred until the reaction is complete, yielding a reaction solution. The reaction solution is then directly added dropwise to an alcoholic solution of hydrazine hydrate, and the resulting reaction yields ethyl 4-pyrazolamide. This method uses readily available raw materials, has mild reaction conditions, high yield, and is easily industrialized.

The utility model belongs to the field of reaction kettles, and particularly relates to a reaction kettle for producing ethyl acrylate, which comprises a reaction kettle body, the top of the reaction kettle body is fixedly connected with a top cover, one side of the top cover is fixedly provided with a first motor, and one side of the top cover is provided with a crushing mechanism; raw materials are poured into the box body through the material guide plate, and the driving roller and the driven roller relatively rotate along the inner cavity of the box body, so that the ethyl acrylate raw materials are ground and crushed when passing through the gap between the driving roller and the driven roller, and the particle size of the ethyl acrylate raw materials is reduced; particles which are not beneficial to stirring and mixing of the reaction kettle body are blocked through the filter plate, the particles which are beneficial to stirring and mixing of the reaction kettle body pass through the filter plate and then are poured into the inner cavity of the reaction kettle body through the discharging pipe, and raw materials and liquid in the reaction kettle body are subjected to mixed production through the first motor, so that the purposes of reducing the granularity of the ethyl acrylate raw materials and improving the production efficiency are achieved. And the mixing efficiency of the reaction kettle is ensured.