40 results about "Lauryl methacrylate" patented technology

The invention relates to the technical field of detection kits, in particular to a preparation method of fluorescent microspheres, the fluorescent microspheres and a preparation method of a kit. According to the invention, 4-vinylbenzoic acid, dibenzoylmethane and phenanthroline are used as ligands to prepare the europium complex; the prepared europium complex, styrene and lauryl methacrylate are subjected to first-stage copolymerization polymerization to obtain a polymer core with the europium complex, itaconic acid is added for continuous polymerization in the second-stage polymerization process, and the prepared fluorescent microspheres are uniform in size, high in fluorescence intensity and high in stability. The prepared detection kit has the advantages of high detection sensitivity and stable and reliable detection effect when being used for detecting the myocardial injury marker cTnI.

The invention relates to the technical field of films, in particular to a high-surface tension aluminized base film and a preparation method thereof. The method comprises the following steps: grafting modified fumed silica with a silane coupling agent KH-570, and grafting a ternary polymerization shell layer composed of 2-acrylamide-2-methylpropanesulfonic acid, lauryl methacrylate and glycidyl methacrylate on the surface of the modified fumed silica to obtain organic anti-sticking silica; secondly, synthesizing an aromatic sulfonated polyester prepolymer, loading nano titanium dioxide, and carrying out melt blending extrusion with polypropylene to form polar cluster polypropylene master batches; and finally, blending polypropylene resin, the master batch and maleic anhydride grafted polypropylene, and carrying out melt extrusion, air cooling and slow cooling and two-way stretching molding. The obtained base film is high in surface tension, high in aluminized layer adhesive force, excellent in oxygen and water vapor barrier property, good in thermal stability and suitable for the field of high-end packaging.

The invention belongs to the technical field of crude oil pour point depressants, and particularly relates to a crude oil pour point depressant and a preparation method thereof. The crude oil pour point depressant comprises a lauryl methacrylate-maleic anhydride-(alpha-methylstyrene) terpolymer, 50-60 parts of a modified ethylene-vinyl acetate copolymer, 10-20 parts of an inorganic nano pour point depressant a, 10-15 parts of an inorganic nano pour point depressant b, 0.5-1.5 parts of an antioxidant and 1-3 parts of a lubricant, the preparation method comprises the following steps: adding the terpolymer, the modified ethylene-vinyl acetate copolymer, the inorganic nano pour point depressant a, the inorganic pour point depressant b, the antioxidant and the lubricant into the solvent oil, and stirring to obtain the crude oil pour point depressant. According to the crude oil pour point depressant disclosed by the invention, an efficient, stable and environment-friendly solution is provided for long-distance wax-bearing crude oil pipeline transportation through nano hybridization, multi-component synergy and the like.

The invention provides a bilirubin adsorbing material as well as a preparation method and application thereof, and belongs to the technical field of blood perfusion materials. The bilirubin adsorption material is mainly prepared from chitosan quaternary ammonium salt, microfibrillated cellulose, a surfactant and a cross-linking agent, wherein the surfactant is one or more of lauryl methacrylate, Span 80 and Span 85. The structure of the bilirubin adsorption material is that a hydrophilic polysaccharide chain is stabilized in a pore wall shell, and a hydrophobic chain of a surfactant is repelled and assembled to a pore wall core. When the bilirubin adsorption material adsorbs albumin-bilirubin, the adsorption effect is better than that of MFC / QCS frozen gel, and the adsorption capacity and the adsorption rate are enhanced along with the increase of the concentration of albumin.

The invention provides an interface-stable and anti-fatigue Janus conductive hydrogel, a preparation method and sensing application, and the preparation method comprises the following steps: uniformly mixing acrylic acid, ethylene glycol dimethacrylate, a photoinitiator, ferric chloride hexahydrate and deionized water to obtain a support layer precursor solution; mixing acrylic acid, lauryl methacrylate, N, N '-methylene bisacrylamide and the nanocellulose suspension, performing ultrasonic treatment to obtain a Pickering emulsion, adding a photoinitiator into the Pickering emulsion, and uniformly mixing to obtain an adhesion layer precursor solution; and pouring the support layer precursor solution into a mold, then slowly pouring the adhesion layer precursor solution onto the support layer precursor solution, carrying out ultraviolet curing, taking out from the mold, and cleaning to obtain the Janus conductive hydrogel. According to the method, the Pickering emulsion phase separation and the charge shielding effect are combined through a simple and convenient one-step method, and the problems that a traditional multi-layer assembly process is complex in operation and unstable in interface are effectively solved.

The invention discloses a buffering and energy-absorbing composite material and a preparation method thereof, and relates to the technical field of polymer composite material preparation. The preparation method of the buffering and energy-absorbing composite material comprises the following steps: firstly, modifying polyborosiloxane gel by utilizing polylauryl methacrylate to prepare modified polyborosiloxane gel, then modifying a polyurethane polyol component by utilizing the modified polyborosiloxane gel to prepare a modified polyurethane polyol component, and finally preparing the buffering and energy-absorbing composite material. The preparation method comprises the following steps: blending the modified polyurethane polyol component, antibacterial nano silicon dioxide, the modified plant fiber, a dispersing agent and 4, 4 '-diphenylmethane diisocyanate, foaming at low pressure, and molding to obtain the buffering and energy-absorbing composite material. The prepared buffering and energy-absorbing composite material has the advantages of being excellent in mechanical property, high in antibacterial property, light in weight and soft.

The invention discloses an antibacterial nanofiber hemodialysis membrane and a preparation method thereof, and relates to the technical field of dialysis membranes, and the preparation method comprises the following steps: mixing a chitosan derivative, heparin, dopamine, an unsaturated monomer and an initiator in a DMF / phosphate buffer mixed solution to obtain a surface treating agent; taking the polyethersulfone nanofiber membrane as a supporting layer, dipping in a surface treating agent, and performing UV irradiation to form a functional layer, thereby obtaining the dialysis membrane. The preparation method comprises the following steps: compounding phenanthroline cerium triacrylate hybridized CeO2 with N-vinyl pyrrolidone, sodium p-styrenesulfonate and lauryl methacrylate to obtain an unsaturated monomer, compounding the unsaturated monomer with a chitosan derivative, heparin and dopamine to prepare a surface treating agent, impregnating a polyether sulfone nanofiber membrane, and carrying out irradiation curing to form a functional layer. The prepared hemodialysis membrane has efficient anticoagulation and broad-spectrum antibacterial properties, high permeability, low protein adsorbability and long-term stability.

The invention discloses a bottom plate for an anti-crack laminated slab and a preparation method of the bottom plate, and belongs to the technical field of laminated slabs. The bottom plate for the anti-crack laminated slab is obtained by pouring and curing 4D steel fiber composite concrete slurry; the 4D steel fiber composite concrete slurry is prepared from the following raw material components in parts by mass: 20 to 35 parts of cement, 5 to 15 parts of mineral admixture, 25 to 40 parts of acrylate copolymer emulsion, 50 to 65 parts of sand, 0.05 to 0.2 part of defoaming agent, 0.1 to 0.25 part of polycarboxylic acid water reducing agent, 0.05 to 0.2 part of early strength agent and 0.4 to 0.9 part of modified 4D steel fiber, the acrylate copolymer emulsion is prepared from lauryl methacrylate, acrylamide, butyl perfluoroacrylate, 1H, 1H, 2H, 2H-perfluorodecyl acrylate, 1, 3-dimethylamino allyl phosphoric acid, 2-allylfuran, an initiator, a solvent and a solvent; aluminum palmitate is adopted as the defoaming agent; the modified 4D steel fiber is obtained by modifying maleimide siloxane.

The application discloses waterproof and decorative integrated paint and a preparation method thereof. The paint comprises silicone emulsion, acrylic emulsion, pigment, heavy calcium carbonate, sheeted kaolin, silicon powder, modified graphene oxide, nano silicon dioxide, ethylene glycol, ultraviolet absorber, light stabilizer, heat stabilizer, dispersant, hydrophobic agent, film forming aid, defoaming agent, leveling agent, thickening agent, preservative and water. The acrylic emulsion is obtained by polymerization reaction of methyl methacrylate, cyclohexyl methacrylate, butyl acrylate, lauryl methacrylate, hydroxyethyl methacrylate, glycidyl methacrylate, acrylic acid and KH-570. The modified graphene oxide is obtained by modification of graphene oxide by beta-cyclodextrin and vinyltrimethoxysilane. The waterproof and decorative integrated paint provided by the application has the functions of waterproofing and decoration, and has excellent weather resistance, stain resistance and bonding strength.

The invention relates to the technical field of lithium ion batteries, in particular to a preparation method of a binder for a lithium battery. The preparation method specifically comprises the following steps: step 1, initiating polymerization of vinylidene fluoride, dioctyl sebacate and lauryl methacrylate to obtain modified polyvinylidene fluoride resin; 2, carboxymethyl chitosan is subjected to a reaction with diketoacrylamide and phthalic dihydrazide in sequence, and modified chitosan is obtained; and 3, mixing the modified polyvinylidene fluoride resin, the modified chitosan and polyvinyl alcohol, stirring and compounding to obtain the binder for the lithium battery. The binder for the lithium battery can form a plurality of hydrogen bond network structures with the surface of a negative electrode active material, so that the lithium battery has a firmer mechanical structure, and the lithium battery can bear the stress of internal volume expansion; in addition, the binding force between the negative electrode active material and the current collector can be greatly improved, the cycle performance of the battery is improved, the electrochemical performance and the safety performance of the lithium battery are ensured, and great practical application significance is achieved.

The invention discloses a coating for laser film transfer and a preparation method thereof, and relates to the field of coatings, the coating is prepared from the following raw materials by weight: 25-35 parts of waterborne polyurethane, 35-45 parts of modified acrylate, 3-6 parts of other auxiliary agents, and 20-40 parts of water; the modified acrylate is formed by sequentially polymerizing a first monomer, a second monomer and a third monomer; the first monomer comprises methyl methacrylate, lauryl methacrylate and methacrylic acid; the second monomer is prepared from methyl methacrylate, lauryl methacrylate, isobornyl methacrylate and diacetone acrylamide; the third monomer is prepared from methyl methacrylate, lauryl methacrylate and N-tert-butyl acrylamide. The coating has the effect of improving the adhesive force between the coating and a base film and the adhesive force between the coating and ink.

The invention relates to the field of water treatment, and discloses a self-tracing type scale and corrosion inhibitor based on a novel fluorescent copolymer and a preparation method, and the scale and corrosion inhibitor comprises the following components: the novel fluorescent copolymer, an auxiliary polymer, a conventional AMPS copolymer, organic phosphonate, zinc salt and the balance of water. The novel fluorescent copolymer is obtained by carrying out copolymerization reaction on a fluorescent monomer B, acrylic acid and 2-acrylamido-2-methylpropanesulfonic acid; and the fluorescent monomer B is prepared by reacting 4-chloro-1, 8-naphthalic anhydride with 3-dimethylaminopropylamine, reacting the product with sodium methoxide, and further reacting the obtained intermediate with chloropropene. And the auxiliary polymer is a lauryl methacrylate-N, N-dimethylaminoethyl methacrylate copolymer. According to the self-tracing type scale and corrosion inhibitor, the fluorophore is covalently bonded to a polymer main chain, accurate online monitoring of the concentration of the agent is achieved, and the self-tracing type scale and corrosion inhibitor has excellent scale and corrosion inhibition performance.

The invention discloses high-hardness silicon carbide grinding powder and a processing technology thereof, and relates to the technical field of silicon carbide grinding powder.The processing technology comprises the steps that surface passivated silicon carbide micro powder, gamma-glycidyl ether oxypropyl triethoxy silane and gamma-aminopropyl triethoxy silane are added into absolute ethyl alcohol, argon is introduced, and a silicon carbide intermediate is obtained; adding lauryl methacrylate, perfluorooctyl acrylate, sodium persulfate and ferrous sulfate into the silicon carbide intermediate, pickling to remove impurities, washing with ultrapure water, and drying to obtain modified silicon carbide micro powder; the treated silicon carbide micro powder is high in electrification property, particle aggregation is inhibited through the electrostatic-space synergistic effect, and the dispersity and fluidity of a silicon carbide system are remarkably improved. Carrying out wet grading on the modified silicon carbide micro powder to obtain silicon carbide ultrafine powder; and taking the silicon carbide ultrafine powder, adding polyethylene glycol, introducing argon, and carrying out hot pressing to obtain the high-hardness silicon carbide grinding powder.

The application discloses an antibacterial nanofiber hemodialysis membrane and a preparation method thereof, and relates to the technical field of dialysis membranes, and comprises the following process: a surface treatment agent is obtained by mixing a chitosan derivative, heparin, dopamine, an unsaturated monomer and an initiator in a DMF / phosphate buffer mixture; a polyethersulfone nanofiber membrane is taken as a support layer, the surface treatment agent is impregnated, UV irradiation is performed, and a functional layer is formed to obtain a dialysis membrane. The application compounding cerium tris-acrylate phenanthroline hybrid CeO2, N-vinyl pyrrolidone, sodium p-styrene sulfonate and lauryl methacrylate as the unsaturated monomer, compounding the chitosan derivative, heparin and dopamine to prepare the surface treatment agent, impregnating the polyethersulfone nanofiber membrane, and performing irradiation and solidification to form the functional layer, the prepared hemodialysis membrane has high efficient anticoagulation and broad-spectrum antibacterial property, high permeability, low protein adsorption and long-term stability.

The invention discloses an emulsion type low-VOC (volatile organic compound) acrylate adhesive for bonding low-surface-energy materials, a preparation method of the emulsion type low-VOC acrylate adhesive and an adhesive tape. The adhesive is prepared from the following raw material components in parts by weight: 100 to 300 parts of 2-ethylhexyl acrylate, 20 to 60 parts of butyl acrylate, 4 to 20 parts of methyl methacrylate, 1 to 10 parts of methacrylic acid, 0.2 to 2 parts of itaconic acid, 1 to 6 parts of hydroxyethyl acrylate, 0.5 to 2 parts of glycidyl methacrylate, 1 to 6 parts of acryloyloxyethyl urea alkane and 1 to 6 parts of lauryl methacrylate. The emulsion is prepared from the following components in parts by weight: 1-4 parts of a reactive emulsifier, 0.2-2 parts of a first initiator, 0.1-1 part of a second initiator, 0.1-1 part of a molecular weight regulator, 40-160 parts of hydrogenated rosin glyceride emulsion, 1-6 parts of an external crosslinking agent, 0.1-4 parts of sodium bicarbonate and 150-300 parts of deionized water. The adhesive disclosed by the invention shows high initial adhesion, high peel strength, excellent holding power and environmental aging resistance to low-surface-energy materials such as foam and felt, and can meet the requirements in the fields of automotive trim, high-end packaging and the like.

The invention discloses a high-strength acrylic structural adhesive and a preparation method thereof, and belongs to the technical field of structural adhesives. The high-strength acrylic structural adhesive comprises a component A and a component B, the component A comprises an acrylate monomer, a first cross-linking agent, an antioxidant, a polyacrylate elastomer, a polymerization inhibitor, a reducing agent and modified mesoporous silica; the component B comprises an acrylate monomer, a first cross-linking agent, a polyacrylate elastomer, a polymerization inhibitor, an oxidizing agent and modified mesoporous silica; the acrylic ester monomers comprise ethyl methacrylate and lauryl methacrylate; 2, 4, 6-triallylphenol is adopted as the antioxidant; the polyacrylate elastomer is obtained by carrying out composite reaction on 2-acrylamido-2-methyl-1-propane sulfonic acid polymer particles, ethyl acrylate, vanillin methacrylate, an initiator and a second cross-linking agent; the second cross-linking agent is prepared from ethylene glycol dimethacrylate and triallyl phosphite ester.

The application relates to the field of paint technology and discloses an environment-friendly paint and a preparation method thereof, the environment-friendly paint comprising the following raw materials: phenyl acrylate, styrene, lauryl methacrylate, tert-butyl acrylate, antifouling and anticorrosion cellulose, coumalic acid modified polyether, anhydrous ethanol, an initiator, dimethyl silicone oil defoaming agent and polyurethane leveling agent; the antifouling and anticorrosion cellulose and the coumalic acid modified polyether are prepared and involved in the preparation process of the paint matrix, so that the prepared environment-friendly paint has excellent antifouling and anticorrosion capacity, high toughness and is not easy to be damaged, and has excellent antioxidant effect, can meet the use requirements in various environments, does not need to be frequently replaced even when being used for a long time, saves cost, and has a long service life.

The present invention relates to the technical field of functional materials, specifically to a high-oil-absorption antibacterial composite fiber membrane and a preparation method thereof. The high-oil-absorption antibacterial composite fiber membrane in the present invention includes an oil-absorbing expansion membrane layer and an oil-philic barrier membrane layer. The raw material for preparing the oil-philic barrier membrane layer is polyvinylidene fluoride-hexafluoropropylene copolymer, which has excellent lipophilicity and hydrophobicity. When in contact with the oil-water mixture to be separated, it can allow the oily substance to quickly penetrate through, and at the same time can effectively intercept the water in the oil-water mixture from penetrating into the membrane; when preparing the oil-absorbing resin, a polymer prepared with butyl acrylate and lauryl methacrylate as the main monomer raw materials is obtained by electrostatic spinning, has a large oil absorption capacity, and expands in volume after oil absorption, and has good oil absorption sealing and oil retention; adding modified attapulgite can increase the oil absorption capacity, and adding modified acrylamide monomer can improve the mechanical properties and antibacterial properties of the oil-absorbing expansion membrane layer.

This invention discloses a high-performance non-polar adhesive material and its preparation method. The adhesive material is prepared by first preparing an interfacial bridger containing lauryl methacrylate, butyl acrylate, methyl methacrylate, methacrylic acid, and hydroxyethyl methacrylate, and then reacting it with a nano-calcium carbonate modified polyacrylate emulsion, C9 petroleum resin emulsion, emulsified silicone oil, potassium zirconium carbonate, nano-active zinc oxide, LK water-resistant agent, Kathon, and water through a specific process. The interfacial bridger possesses both a non-polar long-chain alkyl structure and polar active groups, which can improve the wetting and interfacial adsorption capacity of non-polar substrates such as polyethylene and polypropylene, and enhance the synergistic effect with the main emulsion and cross-linking system. The adhesive material has advantages such as fast initial tack, high bond strength, good cold water resistance, and excellent system stability, and is suitable for bonding polyethylene or polypropylene to paper, glass, and coated paper.

The present invention discloses a method for preparing an integrated amphoteric wet-finishing material that changes color in response to pH. Specifically, the method comprises: synthesizing an amphoteric polymer (ADL) by free radical polymerization using acrylic acid, dimethyldiallylammonium chloride, and lauryl methacrylate as monomers; grafting rhodamine B-ethylenediamine, aminofluorescein, and aminopyrene onto the amphoteric polymer ADL, and mixing the three polymers to prepare the integrated amphoteric wet-finishing material. Red, green, and blue fluorescent groups are grafted onto the side chains of ADL, and the ratio of the three colors is adjusted using the principle of the addition of three primary colors to obtain an integrated wet-finishing material with different colors. This integrated wet-finishing material can be used to dye leather in a variety of colors. Furthermore, the integrated wet-finishing material effectively reduces the traditional three-step wet-finishing process to a single step, which has far-reaching significance for achieving cleaner production in the leather industry.

The present invention discloses a high-temperature, high-salt-resistant, deformable, strong-support plugging agent, a preparation method thereof, and a drilling fluid. The raw material components of the high-temperature, high-salt-resistant, deformable, strong-support plugging agent include, by weight, 20-30 parts of styrene, 10-20 parts of maleic anhydride, 5-10 parts of diacetone acrylamide, 2-6 parts of lauryl methacrylate, 2-4 parts of proppant, 0.2-0.5 parts of emulsifier, 0.05-0.2 parts of initiator, and 130-160 parts of water. The high-temperature, high-salt-resistant, deformable, strong-support plugging agent can effectively block cracks under high-temperature and high-salt conditions, and has the characteristics of both deformable and adaptive crack filling and strong support and plugging. It can be used to prepare deep and ultra-deep well drilling fluids.

The invention belongs to the technical field of rubber rollers, and particularly provides a rubber roller and a preparation method thereof. The rubber roller comprises an outer coating material and a core shaft, the outer coating material is prepared from the following raw materials: nitrile rubber, reinforcing filler, a vulcanization system, zinc oxide, stearic acid, an L-aspartic acid-metal ion complex and a reinforcing agent; the reinforcing agent is prepared from tannic acid, hydroxyethyl methylacrylate and lauryl methacrylate. The rubber roller prepared by the invention has good rebound resilience and wear resistance.

The present application relates to the technical field of asphalt mixtures, and specifically discloses a high-performance dry-powdered asphalt mixture and a preparation method thereof. A preparation method for a high-performance dry-powdered asphalt mixture comprises the following steps: 1) mixing polyacrylonitrile, metal oxide, and solvent, and stirring the mixture to obtain a precursor solution A; 2) dissolving cyclodextrin in anhydrous ethanol to obtain a base solution; then adding calcium chloride, polylauryl methacrylate, polycaprolactone, and a surfactant, and mixing the mixture to obtain a precursor solution B; 3) performing conjugate electrospinning on the precursor solution A and the precursor solution B to obtain fractal fibers; 4) immersing the fractal fibers in an impregnation solution to obtain a composite fiber material; 5) dry-mixing the aggregate, fly ash, and composite fiber material, then adding asphalt and continuing to mix, and then adding mineral powder and mixing to obtain the mixture. The high-performance dry-powdered asphalt mixture prepared by the present application has the advantages of high stability and crack resistance.

This invention discloses a perovskite quantum dot composite film and its preparation method. The raw materials for preparing the composite film include a perovskite quantum dot dispersion, lauryl methacrylate, zinc undecanoate, methacryloyloxyethyl phosphate, polyurethane acrylate oligomer, mercapto monomer, and a photoinitiator. The preparation process includes: ligand exchange between zinc undecanoate and the quantum dot dispersion; addition of lauryl methacrylate and removal of the original solvent under reduced pressure; subsequent addition of the remaining components for degassing and mixing; coating a wet film; and curing by dual-band continuous irradiation. This invention utilizes zinc undecanoate as a bridge, enabling its terminal double bonds to undergo cross-linking reactions with the matrix resin, thus covalently anchoring the quantum dots in situ within the polymer network. This reduces the spatial migration and aggregation of quantum dots, helping to delay the degradation of the optical properties of the composite film.

The present invention discloses a method for preparing high-strength, tough, water-resistant, recyclable functional reconstituted wood. Sodium hypochlorite and acetic acid are used to delignify natural wood to obtain delignified wood. Hexamethylene diisocyanate, 2-(tert-butylamino)ethyl methacrylate, a catalyst, and a good solvent are mixed and reacted in a certain mass ratio to prepare a bifunctional macromonomer. Then, the bifunctional macromonomer is mixed with lauryl methacrylate in a certain mass ratio to prepare a reaction system, and then a good solvent and an initiator in a certain mass ratio are added. The delignified wood is immersed in the reaction system for reduced pressure impregnation, and after impregnation, thermal initiation is performed to obtain functional reconstituted wood. The present invention can simply and efficiently prepare functional reconstituted wood with hindered urea bonds. The functional reconstituted wood not only has high strength, toughness, water resistance, and recyclability, but can also be used for tribo-nanogenerators to collect mechanical energy in the environment.

A positive electrode for a lithium ion battery, comprising a current collector and a positive electrode composition layer provided on a surface of the current collector, wherein the current collector and the positive electrode composition layer are not adhered to each other, the positive electrode composition layer contains coated positive electrode active material particles and a conductive aid, wherein at least a part of a surface of each positive electrode active material particle is coated with a coating layer containing a polymer compound (A) that is any one of a copolymer (A1) having a methacrylic acid, a lauryl methacrylate, and a 1,6-hexanediol dimethacrylate as constituent monomers, a copolymer (A2) having an isobornyl methacrylate and a 1,6-hexanediol dimethacrylate as constituent monomers, or a copolymer (A3) having a lauryl methacrylate, a 2-ethylhexyl methacrylate, and a 1,6-hexanediol dimethacrylate as constituent monomers, a weight proportion of the 1,6-hexanediol dimethacrylate contained in the constituent monomers of the copolymer is 0.2 to 1% by weight based on the total weight of the constituent monomers of the copolymer, and a weight average molecular weight of the polymer compound (A) is 300,000 or less.

The invention discloses a waterproof and decorative integrated coating and a preparation method thereof. The coating is prepared from organic silicon emulsion, acrylic emulsion, pigment, ground calcium carbonate, flaky kaolin, silica powder, modified graphene oxide, nano silicon dioxide, ethylene glycol, an ultraviolet light absorber, a light stabilizer, a heat stabilizer, a dispersing agent, a water repellent, a coalescing agent, a defoaming agent, a flatting agent, a thickening agent, a preservative and water. The acrylic emulsion is prepared by carrying out polymerization reaction on methyl methacrylate, cyclohexyl methacrylate, butyl acrylate, lauryl methacrylate, hydroxyethyl methacrylate, glycidyl methacrylate, acrylic acid and KH-570; the modified graphene oxide is obtained by modifying graphene oxide by using beta-cyclodextrin and vinyl trimethoxy silane. The waterproof and decorative integrated coating provided by the invention has waterproof and decorative dual functions, and also has excellent weather resistance, stain resistance and bonding strength.

This invention discloses a dual-response hydrogel-based wet / thermal generator and its preparation method. The preparation method includes: mixing lauryl methacrylate, lithium chloride, tannic acid, lithium dodecyl sulfonate, phytic acid, glycerol, pure water, acrylamide, and 2-acrylamide-2-methylpropanesulfonic acid in a specific ratio, and stirring at 60°C to dissolve and obtain a premixed solution; adding a photoinitiator and a crosslinking agent to the premixed solution, mixing thoroughly, and then injecting into a mold; and polymerizing under 365nm ultraviolet light to obtain a dual-response hydrogel; this hydrogel can be matched and assembled with hydrophobic carbon cloth or graphite plates to construct a wet / thermal generator with three working modes: wet power generation, thermal power generation, and wet / thermal synergistic power generation. This generator combines wet power generation and ion thermoelectric functions and can be applied to self-powered human body sensor systems, motion monitoring, and information transmission.

The application belongs to the technical field of textiles, and particularly relates to a preparation method of a solvent-free photopolymerization hydrophobic coating and application thereof, and the preparation method comprises the following steps: (1) uniformly mixing glycidyl methacrylate monomers and lauryl methacrylate monomers to obtain a monomer mixture; (2) adding a photoinitiator into the monomer mixture prepared in step (1) and ultrasonically dispersing to obtain a finishing liquid; (3) immersing a substrate in the finishing liquid prepared in step (2) and placing the substrate in a photocuring machine to perform ultraviolet light irradiation; and (4) taking out the substrate after the light irradiation is completed, performing post-treatment, and forming a solvent-free photopolymerization hydrophobic coating on the surface of the substrate. The method has low energy consumption and low cost, does not need to use fluorine-containing compounds and additional solvents, and does not need high-temperature treatment, and thus provides a brand-new, green and efficient hydrophobic modification idea for substrates such as cotton fabrics.

The present application relates to the technical field of detection kit, in particular to a preparation method of fluorescent microspheres, fluorescent microspheres and a preparation method of a kit. The present application utilizes 4-vinylbenzoic acid, benzoyl methane and o-phenanthroline as ligands to prepare europium complexes; the prepared europium complexes are subjected to first-stage copolymerization with styrene and lauryl methacrylate to obtain a polymer inner core with europium complexes; in the second-stage polymerization process, itaconic acid is added for continuous polymerization; the prepared fluorescent microspheres are uniform in size, high in fluorescence intensity and strong in stability. The prepared detection kit has the advantages of high detection sensitivity and stable and reliable detection effect in the detection of myocardial injury marker cTnI.