1041 results about "High adhesion" patented technology

The invention discloses an uvioresistant acrylic resin coating and a preparation method thereof, and belongs to the technical field of acrylic resin paints.The uvioresistant acrylic resin coating is characterized in that step-by-step functional design is adopted, a functional polyurethane prepolymer is constructed through prepolymerization reaction and double-bond end capping, fluorosilicone modified acrylate emulsion is prepared through a core-shell emulsion polymerization process, and the uvioresistant acrylic resin coating is obtained. Then carrying out surface silane modification on hexagonal boron nitride and carrying out composite coating to obtain a modified boron nitride auxiliary agent; and finally, carrying out composite emulsification and dispersion compounding on all the components to obtain the anti-ultraviolet acrylic resin coating. Through the synergistic enhancement effect of the fluorosilicone modified core-shell structure and the surface modified boron nitride, the ultraviolet aging resistance and the insulation reliability of the coating are remarkably improved on the basis of keeping high adhesive force, excellent flexibility and impact resistance of the coating; the problems that a traditional acrylic coating is prone to yellowing and pulverization under long-term ultraviolet radiation, and the mechanical property is reduced are effectively solved, and the acrylic coating is suitable for the field of electronic equipment protective coatings with high requirements for weather resistance, mechanical strength and electrical insulating property.

The invention discloses silencing and mildew-proof organic silica gel as well as a preparation method and application thereof, and belongs to the technical field of organic silicon binding material polymers. Comprising the following components in parts by weight: 35-45 parts of nano calcium carbonate, 32-40 parts of hydroxyl-terminated polysiloxane, 5-9 parts of silencing powder, 0.5-2.5 parts of glass fiber powder, 5-9 parts of a hyperbranched polymer, 2-5 parts of a hydrophobic surface modifier, 1.5-3 parts of color paste, 1-2 parts of a water-based coupling agent, 1-2 parts of a cross-linking agent, 0.5-2.5 parts of a mildew preventive, 0.4-2 parts of a composite titanide and 0.4-0.7 part of nano silver powder. According to the invention, the nano silver powder and the mildew preventive are compounded, and an inorganic sterilization system is combined, so that broad-spectrum environment-friendly bacteriostasis is realized, and high-humidity long-acting protection is met; the powder is subjected to hydrophobic treatment, moisture is blocked, and high adhesion is kept; silencing powder serves as a core, a sound absorption network is cooperatively formed, the noise reduction capacity is improved, and the device is suitable for multiple scenes.

The invention relates to the field of photovoltaic technology, and provides a solar cell, a preparation method thereof and a photovoltaic module. The solar cell includes a substrate and an electrode. The electrode comprises an alloy seed layer and a diffusion layer, the alloy seed layer is arranged on the substrate, the diffusion layer is arranged between the alloy seed layer and the substrate, and the material of the diffusion layer comprises a compound composed of elements in the substrate and elements in the alloy seed layer. The alloy seed layer is combined with the substrate through the diffusion layer, and the characteristics of high adhesive force, good contact effect and the like are achieved.

The invention provides a mussel bionic well wall thermal insulation material for drilling fluid as well as a preparation method and application of the mussel bionic well wall thermal insulation material. The mussel bionic well wall thermal insulation material for the drilling fluid is prepared from a viscous polymer, a structure reinforcing material, a nano thermal insulation hollow sphere material and a coating material, and has the characteristics of low heat conductivity coefficient, high strength, slow release of viscosity and high adhesion strength; when the thermal insulation material reaches a high-temperature stratum, the outermost coating layer is gradually broken under the action of high-temperature and high-speed shearing force, the inner viscous polymer-structure reinforcing material-nanometer thermal insulation hollow sphere material composite material is slowly released, the viscous polymer and well wall rock are combined through chemical bonds, and the thermal insulation performance of the well wall is improved. The composite material is tightly adsorbed on the well wall to form a stable heat insulation barrier, the problem that a traditional material falls off due to insufficient adsorption force is solved, and the heat insulation effect in the high-temperature environment is remarkably improved.

The invention relates to the technical field of UV coatings, in particular to a waterproof wear-resistant UV coating for a floor and a preparation method of the waterproof wear-resistant UV coating. The waterproof and wear-resistant UV coating for the floor is prepared from the following raw materials in parts by mass: 30 to 60 parts of polyurethane acrylate, 20 to 40 parts of fluorinated epoxy acrylate oligomer, 20 to 40 parts of pentaerythritol tetraacrylate, 1 to 5 parts of tetraethoxysilane, 15 to 25 parts of hollow glass beads, 1 to 3 parts of ammonia water, 1 to 2 parts of trifluoropropane trimethoxysilane and 1 to 2 parts of amino-terminated polyamidoamine. The coating is prepared from 1-3 parts of graphene oxide, 1-2 parts of a photoinitiator, 1-2 parts of polytetrafluoroethylene wax, 0.5-1.5 parts of a dispersing agent, 1-2 parts of a flatting agent and 1-2 parts of a defoaming agent. The waterproof coating is excellent in waterproof effect, high in adhesive strength and excellent in dimensional stability; when the coating is subjected to mechanical actions such as friction and impact, the surface of a coated object is comprehensively protected, the wear rate is remarkably reduced, and the wear resistance is improved.

The invention belongs to the field of electronic display film materials, and discloses a UV optical film material and a manufacturing method and application thereof.The UV optical film material comprises a base material, a frosted layer, an inner protective film layer, an optical ink layer, a transparent adhesive layer and an outer protective film layer, and the inner surface of the base material is sequentially coated with the frosted layer and the inner protective film layer outwards; the outer surface of the base material is sequentially coated with an optical ink layer, a transparent adhesive layer and an outer protective film layer outwards; the coating process comprises the steps that the viscosity of UV optical ink is controlled to be 16 ''-18'', the outer surface of the base material is coated with the UV optical ink through a precise micro-concave ceramic coating roller, and then UV curing is conducted to form an optical ink layer; coating a transparent adhesive layer on the surface of the optical ink layer, and after curing, coating UV optical transfer adhesive on the inner surface of the base material to form a frosted layer; finally, the surface of the frosted layer and the surface of the transparent adhesive layer are coated with an inner protective film layer and an outer protective film layer respectively. The coating has the characteristics of high hardness and high adhesive force, the surface can be kept uniform, the edge sharpness is high, and discoloration can be effectively prevented.

The invention discloses high-adhesiveness water-based printing ink and a preparation method thereof, and belongs to the technical field of printing, and the high-adhesiveness water-based printing ink comprises the following components: water-based acrylic resin, SiO2 (at) TiO2 (at) EPS composite filler, pigment, a dynamic covalent cross-linking agent, nano cellulose, a wetting dispersant, a defoaming agent and deionized water. The preparation method comprises the following steps: firstly, preparing an EPS terpolymer containing a multi-functional group, and then modifying a SiO2 / TiO2 preassembly to prepare a composite filler; meanwhile, a dynamic covalent cross-linking agent generated by the reaction of furan methacrylate and maleimide propyl triethoxy silane is prepared; and finally, mixing the components step by step to obtain the ink. The multi-stage structure of the composite filler enhances the interface effect and covering power, the dynamic covalent cross-linking agent forms a reversible network to improve the stability and the self-repairing property, and the nano cellulose and other components have the synergistic effect, so that the ink has good adhesiveness and stability.

The invention discloses composite hydrogel bio-ink with a function of space-time delivery of double growth factors as well as a preparation method and application of the composite hydrogel bio-ink, and belongs to the technical field of biomedical materials and tissue engineering. According to the preparation method, imidazolyl-modified methacrylated gelatin and double-bonded PF127 are compounded, and meanwhile, free vascular endothelial growth factors and connective tissue growth factor-loaded PLGA microspheres are entrapped in a system, so that the bio-ink with excellent printability, high adhesion, swelling resistance and space-time delivery function is formed; the bio-ink physically has the advantages of high printing fidelity, low swelling property, high mechanical strength and strong tissue adhesion of a synthetic material; in biology, the system can be used as an intelligent carrier to realize programmed space-time delivery of various growth factors, so that complex cell biological behaviors are accurately arranged, and real regeneration of functional tissues is guided.

The invention relates to the technical field of adhesives, in particular to a high-bonding-strength bio-based epoxy adhesive and a preparation method thereof. Comprising 20-50 parts of bio-based epoxy resin, 8-20 parts of a bio-based epoxy flexibilizer, 5-10 parts of an epoxy diluent, 25-60 parts of an inorganic filler, 2-8 parts of a curing agent and 0.2-1 part of a curing accelerator, the epoxy resin adhesive with excellent performance is developed by using a bio-based material as a raw material, has high adhesion to metal aluminum and the like, has excellent toughness, can be widely applied to automobiles, aviation, industry, electronics and other directions requiring shock absorption, impact resistance and structural adhesion, has an excellent economic prospect, and is worthy of popularization and application. Meanwhile, the method has important significance in environmental protection.

The invention belongs to the field of biomedical materials, and discloses a hydrogel patch with piezoelectricity, conductivity and high adhesion and a preparation method and application of the hydrogel patch. Polyvinyl alcohol (PVA) and acrylic acid (AA) serve as polymer frameworks of the hydrogel patch; the invention relates to a nano-zinc oxide / poly (3, 4-ethylenedioxythiophene) / poly (styrenesulfonic acid) (PEDOT: PSS) composite conductive adhesive, which comprises nano-zinc oxide (ZnO) as a piezoelectric material, poly (3, 4-ethylenedioxythiophene)-poly (styrenesulfonic acid) (PEDOT: PSS) as a conductive material, and N-hydroxysuccinimide acrylate (NHS-AA) as an adhesive functional monomer. According to the invention, active ester groups in the N-hydroxysuccinimide acrylate are utilized, so that the patch can quickly form covalent amido bonds with amino groups on the surface of a tissue in a dry state, firm adhesion is realized, local nerve repair can be effectively promoted through a piezoelectric effect, a novel ideal material is provided for disease treatment, and the patch has wide application prospects. Wide clinical application prospects are realized in the field of biological medicines.

The invention relates to high-elasticity high-adhesive-force UV curing flexible printing ink and a preparation method thereof, and relates to the technical field of printing ink, the high-elasticity high-adhesive-force UV curing flexible printing ink comprises aliphatic polyurethane acrylate, a polyphosphate acrylate oligomer, core-shell structure polyurethane-acrylate microspheres, hexanediol diacrylate, isobornyl acrylate, a photoinitiator and a pigment, and a functional auxiliary agent. The polyphosphate acrylate oligomer realizes strong anchoring of a base material through a phosphate group, and meanwhile, a flexible chain segment of the polyphosphate acrylate oligomer interacts with the aliphatic polyurethane acrylate resin to form a continuous phase; the acrylate shells of the core-shell structure microspheres are covalently bonded with the matrix resin, and the elastic cores of the core-shell structure microspheres are uniformly dispersed in the resin as stress dissipation units. Through the synergistic effect, firm adhesion of a cured film layer can be achieved through interface chemical bonds, stress can be effectively dispersed through deformation of the microspheres when the cured film layer is subjected to external force, and therefore excellent adhesive force and outstanding flexibility are obtained.

The invention discloses a high-durability reflective hot-melt road marking coating and a preparation method thereof, and belongs to the technical field of coatings. The coating is prepared from the following raw materials in parts by weight: 15-25 parts of modified petroleum resin, 2-5 parts of a plasticizer, 5-15 parts of glass beads, 5-10 parts of pigment, 45-60 parts of filler, 3-8 parts of a durability enhancer and 0.5-1.5 parts of an antioxidant. The modified petroleum resin is obtained by hydrolyzing silane monomers in a specific molar ratio to prepare an epoxy-terminated organic silicon oligomer and then chemically grafting the epoxy-terminated organic silicon oligomer with petroleum resin. The durability reinforcing agent is prepared by compounding nano silicon dioxide, elastic polymer micro powder and a silane coupling agent according to the mass ratio of (1-2): (1-2): 1. Through the synergistic effect of resin modification and the composite reinforcing agent, the coating has excellent wear resistance, high adhesive force, excellent low-temperature flexibility and lasting light reflection performance, and is controllable in cost, convenient to construct and wide in application prospect.

To provide a semiconductor light-emitting device having high adhesion between a lead frame and a sealing resin and high reliability, and a manufacturing method thereof.SOLUTION: A resin frame is placed on the top of a first lead electrode and a second lead electrode, which are arranged on the same plane with a gap between them, to form a housing. The upper surfaces of the first lead electrode and the second lead electrode form the bottom surface of a recess surrounded by the frame. The light-emitting element is bonded onto the second lead electrode within the recess. A first sealing member is in contact with the bottom surface of the recess around the light-emitting element and the inner wall surface of the frame. The second sealing member covers the light-emitting element and the first sealing member, filling the recess. The resin that forms the frame extends into the gap between the first lead electrode and the second lead electrode, filling the gap. The upper surface of the resin filling the gap is covered with the first sealing member.SELECTED DRAWING: Figure 1

The invention provides a high-thermal-conductivity and high-adhesion thermal interface material and a preparation method thereof, and belongs to the technical field of thermal interface materials. The thermal interface material is prepared by in-situ cross-linking reaction of the following components: a polymer matrix comprising a polymer containing active functional groups and a cross-linking agent; the heat-conducting filler accounts for more than 90wt% of the total weight of the thermal interface material; the low-melting-point organic medium accounts for 0.1-5wt.% of the total weight of the thermal interface material, and the melting point of the low-melting-point organic medium is lower than the crosslinking curing temperature of the polymer matrix; wherein the heat-conducting filler forms a continuous three-dimensional heat-conducting path in a cross-linked polymer network, and the low-melting-point organic medium is uniformly dispersed in the network. Under the ultrahigh filler content, high bulk phase thermal conductivity and high initial viscosity are realized at the same time, and the contradiction between high thermal conductivity and high interface contact resistance is solved. The high viscosity at room temperature is beneficial to operation and storage, and is softened due to melting of an organic medium at the working temperature of a device, so that the interface wettability is dynamically enhanced, and the contact thermal resistance is minimized.

The invention relates to the technical field of binders, in particular to a lithium ion battery negative electrode binder and a preparation method thereof, the lithium ion battery negative electrode binder comprises the following raw materials by weight: 15-45 parts of a temperature resistant material, 10-20 parts of a toughening material, 6-10 parts of an anticorrosive filler, 50-150 parts of bisphenol epoxy resin and 1-5 parts of a reducing agent. According to the preparation method, side reactions existing in the preparation process of the lithium ion negative electrode battery are inhibited, the electrochemical stability, interface compatibility and processing performance of the lithium ion battery are improved, the binding force of the negative electrode binding interface of the lithium ion battery can be enhanced, a rigid-flexible interpenetrating network is formed, the fracture toughness of the binding agent is improved, and the service life of the binding agent is prolonged. Through the synergistic effect of fluorination modification and a rigid framework, the three-in-one performance of high adhesion, electrolyte resistance and high temperature resistance is achieved, cerium oxide nanoparticles can be subjected to oxidation reduction, free radicals are eliminated, electrolyte oxygenolysis is inhibited, and the problems that an adhesive is weak in adhesion force and poor in electrolyte corrosion resistance stability are solved.

The invention discloses a biological adhesion prevention nano-composite coating for a marine aquaculture netting and a coating process of the biological adhesion prevention nano-composite coating. The coating slurry is composed of a waterborne polyurethane dispersion, an antifouling functional filler and an auxiliary agent; the antifouling functional filler is nano microspheres formed by encapsulating capsaicin by using hydrogenated rosin as a wall material. The preparation method comprises the following steps: preparing the nano-microspheres through a specific process, and dispersing the nano-microspheres in water-based resin to obtain slurry; performing air low-temperature plasma pretreatment on the netting to improve the surface activity; and finally, coating the surface of the netting with the slurry and curing. The problems of dispersion and controllable slow release of natural hydrophobic antifouling components are solved through a nano packaging technology, and meanwhile, the ultrahigh adhesive force of the coating on a flexible hydrophobic base material is realized through a plasma interface activation technology. The two components have a synergistic effect, so that the coating has the outstanding advantages of environmental friendliness, long-acting antifouling property and firm adhesive force, and the technical bottlenecks that the traditional environment-friendly coating is easy to peel and short in service life are effectively overcome.

The invention relates to the field of marine antifouling paint, and particularly discloses marine antifouling paint and a preparation method thereof. The marine antifouling paint is prepared from, by weight, 40%-60% of matrix resin, 10%-15% of solvent, 6%-15% of antifouling agent, 15%-30% of filler, 5%-10% of curing agent, 0.1%-1.0% of defoaming agent, 0.1%-1.0% of dispersing agent and 0.1%-1.0% of flatting agent, and the matrix resin comprises self-polishing resin and tough resin according to the weight ratio of 7: (1-6). The marine antifouling paint provided by the invention has relatively high flexibility, relatively high adhesion strength with a base material, good mechanical properties and a relatively long-lasting relatively high antifouling effect.

The invention relates to the technical field of thermal transfer printing ink, in particular to anti-migration high-stability thermal transfer printing ink as well as a preparation process and application thereof. The anti-migration high-stability heat transfer printing ink is obtained by uniformly mixing the water-based acrylic resin, the pigment, the defoaming agent, the flatting agent, the thickening agent and the epoxy modified organic silicon resin, then adding the modified hydrotalcite and the kaolin, and uniformly mixing. The anti-migration high-stability heat transfer printing ink is prepared from the following components in parts by weight: 80 to 100 parts of waterborne acrylic resin, 10 to 20 parts of epoxy modified organic silicon resin, 20 to 30 parts of pigment, 10 to 20 parts of modified hydrotalcite, 5 to 8 parts of kaolin, 1 to 3 parts of flatting agent, 2 to 4 parts of defoaming agent and 1 to 3 parts of thickening agent. The anti-migration high-stability thermal transfer printing ink prepared by the invention has relatively high adhesive force and relatively low mobility, and can be stably attached to the surface of a base material.

The invention relates to the technical field of coatings, in particular to a solvent-free anti-doodling cover agent as well as a preparation method and application thereof. The solvent-free anti-doodling finishing agent is prepared from the following raw materials in percentage by mass: 80 to 95 weight percent of solvent-free methyl phenyl silicone resin, 1 to 5 weight percent of a curing agent, 3 to 8 weight percent of an adhesion enhancer, 0.5 to 3 weight percent of an anti-doodling auxiliary agent and 0 to 6 weight percent of an optional delustering agent. The core is that the adhesion enhancer is an enhanced silane coupling agent and is prepared by carrying out molecular-level chemical bonding on a titanium compound, the silane coupling agent and a self-made antifouling agent. The finishing agent disclosed by the invention has the advantages of high adhesive force, excellent stain resistance, adjustable glossiness and the like, and is suitable for base material protection of various scenes such as building outer walls, household crystal plating and artistic coatings.

The present application relates to the technical field of resin coating, and particularly relates to a preparation method of modified acrylic resin and application thereof, which comprises the following steps: firstly, hydrolysis and condensation of multiple organosilicon alkoxyl monomers, then grafting with epoxy resin to obtain organosilicon-epoxy resin containing vinyl; subsequently, under the protection of nitrogen, a premixed solution of styrene, multiple acrylate monomers, initiator and solvent is added dropwise into a reaction kettle containing the resin, and after polymerization by staged heat preservation, parameters are adjusted to obtain the modified acrylic resin. The resin has a ternary hybrid structure of acrylic acid, epoxy and organosilicon through grafting, condensation and copolymerization, and has good film forming property, high adhesion, excellent high temperature resistance and flexibility. The coating prepared by using the resin can realize normal temperature self-drying, and the coating layer is dense and smooth, has strong adhesion, good corrosion resistance and impact resistance, and can withstand high temperature and cold cycle, and is suitable for protection of parts which need long-term high temperature and corrosion resistance.

The invention discloses a water-based environment-friendly coating and local printing transfer paper thereof, and particularly relates to the technical field of water-based environment-friendly coatings. The water-based environment-friendly coating is prepared from a water-based epoxy ester dispersion, an organic silicon modified polyvinyl butyral emulsion, a gas-phase method aluminum oxide nano dispersion, a fluorocarbon surfactant, a self-crosslinking polyether thickening agent and a propylene glycol methyl ether acetate-water azeotropic quick-drying auxiliary agent. According to the coating, through cooperation of specific components and process control, the drying speed is remarkably increased, the surface drying time is shortened, meanwhile, shrinkage cavities are eliminated, the hardness of the coating is enhanced, and the edge transfer precision is improved. Corona treatment is adopted for the corresponding local printing transfer paper, gravure precise coating, infrared pre-drying and gradient hot air drying are matched, and finally clear separation and transfer of a coating are achieved through infrared laser scanning. The whole system is a water-based formula, is environment-friendly and safe, is suitable for the field of high-end printing, and has the comprehensive advantages of high drying speed, high precision, strong adhesive force, simplified process and the like.

The invention discloses a high-adhesion UV LED coating composition and a preparation method thereof. The high-adhesion UV LED coating composition is prepared from the following raw materials in parts by weight: 50 to 70 parts of composite oligomer, 90 to 120 parts of composite reactive diluent, 1.5 to 2.5 parts of composite photoinitiator, 0.8 to 1.8 parts of composite adhesion promoter, 5 to 15 parts of inorganic filler, 0.6 to 1.5 parts of fluorine-modified acrylate flatting agent and 0.1 to 0.7 part of light stabilizer. The UV LED coating composition disclosed by the invention can be well combined with untreated low-polarity plastic, smooth metal surfaces and the like, has high adhesive force and is not easy to peel off after being subjected to external force.

This invention discloses a heavy-duty anti-corrosion and anti-scaling epoxy powder coating, its preparation method, and its application, belonging to the field of coating technology. According to the weight composition, the epoxy powder coating comprises the following components: 45-60 parts epoxy resin, 8-15 parts curing agent, 5-25 parts filler, 5-10 parts synthetic filler, 1-10 parts pigment, 0.25-5 parts defoamer, 0.25-5 parts leveling agent, 0.25-5 parts antioxidant, and 0.25-5 parts curing accelerator, with the sum of all components being 100%. This coating exhibits low porosity (level 1 to 2) and low scaling rate (0.687-0.728 × 10⁻⁶). ‑3 (mg / cm 3 This coating exhibits superior properties, including high adhesion (≥50 MPa, significantly exceeding the ≥20 MPa bond strength specified in standard SY / T0442-2018), low cathodic disbondment (only 2.3-2.5 mm at 65℃, 1.5V, and 48h), excellent abrasion resistance (20-24 mg per kg / 1000r on a CS-17 wheel), and the ability to pass an impact test at -30℃ and 5J. It is suitable for complex and harsh industrial environments such as petrochemicals, marine engineering, heat transfer, and water treatment, providing a reliable protective solution for equipment and pipelines.

The invention discloses a preparation method of a polymer adhesive capable of broad-spectrum adhesion based on a hydrogen bond-containing amphiphilic deep eutectic solvent of an acrylic acid derivative, and belongs to the technical field of polymer adhesives. The preparation method of the adhesive comprises the following steps: S1, mixing a hydrogen bond donor and a hydrogen bond acceptor, heating and stirring until the mixture is clarified to obtain a eutectic solvent; s2, adding an acrylate monomer and an acrylamide monomer into the eutectic solvent, and uniformly mixing to obtain a mixture; and S3, sequentially adding a chemical cross-linking agent and a photoinitiator into the mixture, and carrying out photo-initiation to obtain the adhesive. The adhesive prepared by the invention has the characteristics of high adhesive power, debonding as required, excellent waterproofness, efficient VOCs adsorption, adaptability to hydrophilic and hydrophobic materials and the like.

The invention belongs to the technical field of tarpaulin, and discloses a multi-layer co-extrusion composite wear-resistant polyethylene tarpaulin and a preparation method thereof. The polyethylene tarpaulin sequentially comprises a polyethylene cloth base layer, an inner layer and an outer layer from inside to outside, the raw material component of the inner layer comprises a polyolefin polar polymer, and the raw material component of the outer layer comprises a thermoplastic polyurethane elastomer; the inner layer and the outer layer are compounded on the surface of the polyethylene cloth base layer through multi-layer co-extrusion casting. The polar material of the inner layer and the TPU material of the outer layer are extruded through a multi-layer co-extrusion technology and are compounded on the PE cloth base in a curtain coating manner. Due to the fact that the inner layer is the polyolefin thin film with polarity and has high adhesive force with the PE cloth base, the problem of adhesion of TPU on the PE cloth base is solved, the TPU thin film and the PE cloth base form a firmly-adhered whole, the TPU thin film on the outer layer makes contact with a covering object, the PE cloth base is protected, and the abrasion resistance of the tarpaulin is remarkably improved.

The invention belongs to the technical field of high polymer materials, and relates to a modified epoxy emulsion which comprises 70-80 parts of epoxy resin, 5-7 parts of an emulsifier, 0.4-0.8 part of an initiator, 60-80 parts of a mixed monomer and 180-220 parts of water. The mixed monomer is prepared from a soft and hard acrylic monomer, acrylic acid, glycidyl methacrylate, alkenyl silane modified nano silicon dioxide and caprolactone acrylate according to a specific proportion. The invention also discloses a preparation method of the modified epoxy emulsion, and in-situ grafting of nano silicon dioxide is realized by adopting a pre-emulsion step-by-step dropwise adding process. When the emulsion is applied to the three-dimensional anti-counterfeiting temperature-sensitive ink, the emulsion has a synergistic effect with expanded microspheres grafted with amino-containing benzene rings on the surfaces: epoxy groups of glycidyl methacrylate and amino groups on the surfaces of the expanded microspheres are crosslinked to form an interpenetrating network, nano silicon dioxide is dispersed in the interpenetrating network as a rigid node, and caprolactone chain segments provide network elasticity, so that the three-dimensional anti-counterfeiting temperature-sensitive ink is prepared. Therefore, the ink has high adhesive force, excellent wear resistance and weather resistance, and is particularly suitable for printing temperature change-three-dimensional double anti-counterfeiting marks.

The present invention discloses a kind of organosilicon marine antifouling and anticorrosion coating with high adhesion, its preparation method and use, the organosilicon marine antifouling and anticorrosion coating is obtained by coating a composite coating material on the surface of a substrate after light curing; the composite coating material includes dopamine acrylamide, mercapto-modified hexahedral polysilsesquioxane, mercapto polydimethylsiloxane, N-(2,4,6-trichlorophenyl) maleimide, photoinitiator and toluene. The process synthesis conditions provided by the present invention are simple, clean and environmentally friendly, ultraviolet light triggers cross-linking reaction rapidly and effectively, the prepared antifouling and anticorrosion coating has good substrate adhesion, excellent mechanical properties and antifouling and anticorrosion performance, can greatly meet the antifouling performance, substrate adhesion and mechanical strength requirements of organosilicon coatings in marine applications, and has broad application prospects in the field of marine antifouling and anticorrosion coatings.

The invention discloses an anti-fouling and anti-corrosion integrated coating with long-acting, high-adhesion and super-smooth functions as well as a preparation method and application of the anti-fouling and anti-corrosion integrated coating, and belongs to the field of preparation of marine anti-fouling and super-smooth coating materials. The preparation method comprises the following steps: preparing a high-adhesion epoxy resin precursor to obtain a liquid product EGDE-PCA; the preparation method comprises the following steps: preparing a high-adhesion and super-lubricity integrated epoxy resin precursor to obtain an oily liquid product EGDE-PCA / APT-PDMS; the preparation method comprises the following steps: adding EGDE-PCA / APT-PDMS into isophorone diamine, uniformly mixing and stirring, coating a metal material sample with the mixture, and carrying out a drying and curing reaction under a vacuum heat preservation condition, so as to obtain the antifouling and anticorrosive integrated coating with long-acting high-adhesion and super-lubricity functions. In the early-stage synthesis reaction, an organic solvent does not need to be added, so that the environmental protection property is improved, and the problem that the construction process is difficult due to poor flowability is solved; the coating provided by the invention has super-smooth durability and excellent antifouling and anticorrosion effects.

The invention discloses an automotive interior metal part spraying process based on a high-adhesion water-based paint, which comprises the following steps: firstly, carrying out alkali washing and acid washing treatment on a metal part, so that the metal surface is clean and micro roughness is formed; then carrying out chemical conversion treatment by adopting a water-based conversion solution containing amino silane and epoxy silane to form a compact and uniform conversion film on the metal surface; then water-based prime coat is sprayed on the surface of the conversion film, the thickness of a dry film is controlled to be 3-8 microns, and good substrate binding force is provided after heating; the preparation method comprises the following steps: firstly, spraying a water-based finishing coat taking hydroxy acrylic resin as a main body, adding a blocked isocyanate cross-linking agent, uniformly coating through an electrostatic spraying process, and finally curing under a sectional heating condition to obtain a coating with excellent durability; according to the present invention, the adhesion between the water-based paint and the metal base material is effectively improved, the durability of the paint film in the damp and hot salt mist environment is improved, the use of the organic solvent is reduced, and the advantages of environmental protection, low VOC emission and suitableness for industrial large-scale production are provided.

The invention belongs to the technical field of polymer composite materials, and discloses a super-strong heat-shielding fabric with a micro-nano composite structure, and a preparation method and application of the super-strong heat-shielding fabric. The core of the heat-shielding fabric is to construct a multifunctional integrated coating system through the synergistic effect of a slurry formula with specific components and an optimized coating and curing process, and particularly relates to a super-strong heat-shielding fabric used for tents, parasol, outdoor awnings and other products. The invention relates to a fabric, in particular to a fabric with excellent shading, heat shielding, anti-aging and high bonding fastness properties by constructing a micro-nano composite coating structure containing a specific functional filler on a base cloth. On the premise of ensuring excellent bonding fastness and long-term weather resistance between the coating and the flexible base cloth, efficient blocking of the full spectrum (especially near-infrared band) of the sun is realized, so that the super-strong heat-shielding fabric with high heat shielding rate, high physical durability and good processability is provided.