74results about How to "Guaranteed adhesion" patented technology

The invention relates to the field of layered interior ceiling processing, and particularly discloses an environment-friendly automobile interior ceiling and a preparation method thereof.The environment-friendly automobile interior ceiling sequentially comprises base cloth, glue-coated PET fiber felt, base cloth, an adhesive and a surface decoration layer from bottom to top; the base cloth is made of any one of non-woven fabric, film-coated non-woven fabric or film-coated non-woven fabric; the preparation method comprises the following steps: coating polyurethane glue on the upper surface and the lower surface of the PET fiber felt to obtain a glue-coated PET fiber felt; spraying water to the glue-coated PET fiber felt, then attaching the glue-coated PET fiber felt to the base cloth, then carrying out hot press molding for 40-120s at the temperature of 100-140 DEG C, and cooling to obtain a semi-finished product; an adhesive is sprayed on the semi-finished product, a surface decoration layer is laid on the semi-finished product, hot pressing is conducted for 20-100 s at the temperature of 90-120 DEG C, after cooling, cutting, edge covering and aftertreatment are conducted, and a finished product is obtained. The method has the advantages of environmental protection, no pollution in the production process, no influence on human health of a user, facilitation of recovery and long service life.

According to the method, a one-pot copolymerization method is adopted, MBAA and borax serve as cross-linking agents, zwitterionic polyelectrolyte hydrogel containing SBMA, PVA, THMA and AMPS is prepared, and the zwitterionic polyelectrolyte hydrogel has excellent adhesion performance and biocompatibility and is suitable for the field of biological medicine. According to the method, the physical characteristics of the hydrogel are enhanced due to crosslinking sites and hydrogen bonds of polyvinyl alcohol. The cationic and anionic groups of SBMA improve the adhesion performance, and the reaction monomer THMA provides hydrogen-bond interaction to further promote adhesion, so that the prepared hydrogel adhesive shows excellent adhesion performance and biocompatibility, and is suitable for biological medicine application of wound dressing, drug release systems, tissue engineering and the like.

The invention discloses a TOPCon electroplated cell and an edge passivation method for reducing cutting damage of the TOPCon electroplated cell, and relates to the technical field of solar cells. The method comprises the following steps: growing a layer of aluminum oxide film on the surfaces and edges of a plurality of small battery pieces formed by laser slicing, and then sintering, annealing and carrying out light injection to obtain passivated small battery pieces; and coating the edge of the passivated small battery piece with a layer of UV glue, and then carrying out ultraviolet radiation, acid pickling, water washing and drying to obtain the edge-passivated small battery piece. Edge passivation is completed before nickel, copper and tin are electroplated to manufacture the grid line, the effect of repairing cutting damage is achieved, a high-temperature process is not needed subsequently, the adhesive force of the electroplated grid line can be guaranteed, and the efficiency of the cut battery is improved.

The invention belongs to the technical field of aero-engines, and discloses an inclined combustion chamber which comprises a diffuser, an outer casing, an inner casing, a head supporting ring, a flame tube outer ring and a flame tube inner ring. An annular cavity is formed between the outer casing and the inner casing, the diffuser is arranged at an air inlet of the annular cavity, an air outlet of the diffuser is communicated with the air inlet of the annular cavity, the flame tube outer ring and the flame tube inner ring are both located in the annular cavity, the flame tube outer ring and the flame tube inner ring form a flame tube flow channel, and the flame tube outer ring and the outer casing form an outer ring flow channel. The flame tube inner ring and the inner casing form an inner ring flow channel; the center line of the air outlet of the diffuser, the center line of the flame tube runner, the center line of the outer ring runner and the center line of the inner ring runner are parallel to one another and form included angles with the axial center line of the rotating shaft. According to the inclined combustion cylinder, the radial fall of an inlet and an outlet is fully utilized, the axial length of a combustion chamber is short, and airflow flows smoothly.

The invention discloses a hydrogen-corrosion-resistant coating material for a hydrogen-rich electrolyte environment and a preparation method thereof, and relates to the technical field of hydrogen-corrosion-resistant coating materials, the coating material comprises the following components by weight: a metal matrix reinforcing material: 30%-50% of nickel and 5%-10% of cobalt; the ceramic particles comprise 10%-20% of aluminum oxide and 5%-15% of The coating material disclosed by the invention shows excellent corrosion resistance, wear resistance and hydrogen embrittlement resistance in a hydrogen-rich electrolyte environment. The nickel-cobalt alloy layer is kept stable at high temperature and high pressure, hydrogen permeation is blocked, and material degradation is prevented. Aluminum oxide and silicon carbide improve the hardness and wear resistance of the coating, and the coating is kept intact in temperature circulation. The rare earth elements yttrium oxide and cerium oxide enhance the oxidation resistance and hydrogen embrittlement resistance. And the dispersing agent and the cross-linking agent further improve the uniformity, compactness and adhesion of the coating, so that the coating is suitable for industrial parts in high-pressure and high-stress environments.

The turbine guide vane front edge air film cooling structure coping with the rotational flow incoming flow influence comprises a turbine guide vane front edge, a through cold air cavity is formed in the turbine guide vane front edge, and a plurality of rows of air film holes are formed in the outer side of the turbine guide vane front edge at intervals. The air film holes are arranged according to the real isobaric distribution characteristics of the front edge of the turbine guide vane under the influence of rotational flow incoming flow, and one end of each air film hole is communicated with the through cold air cavity. The technical problem that a combustion chamber outlet rotational flow field influences the turbine guide vane front edge gas film cooling characteristic is solved, and the turbine guide vane front edge heat insulation gas film cooling efficiency under the influence of rotational flow incoming flow is improved.

The utility model discloses a plating bath device for improving deep plating ability, which comprises a plating bath body, guide rail assemblies, an anode assembly, a cathode assembly and a bath solution circulating device, the guide rail assemblies are fixedly connected to the edges of the two sides of the upper end of the plating bath body respectively, and an adjusting assembly is fixedly mounted between the two guide rail assemblies. The adjusting assembly is slidably connected in the plating tank body, an anode assembly is fixedly connected to the adjusting assembly, the anode assembly is composed of a plurality of anode plates, a cathode assembly is arranged on the inner wall, opposite to the anode assembly, of the plating tank body, and tank liquid circulating devices are connected to the two sides of the plating tank body. The utility model aims to provide the electroplating bath device which is good in electroplating effect, high in working efficiency and strong in applicability.

The application relates to the technical field of C09D5 / 03, in particular to a high-transmittance acrylic powder resin and a preparation method thereof, raw materials for preparing the acrylic powder resin by weight percentage at least include: 80-100 parts of soft monomers, 400-600 parts of hard monomers, 0-10 parts of carboxyl functional monomers, 200-400 parts of ester functional monomers, 20-100 parts of hydroxyl functional monomers, 10-30 parts of initiators, 5-20 parts of chain transfer agents, 800-1200 parts of solvents and 1-10 parts of nano additives; the nano additives are added, and the synthesis process of the acrylic resin is optimized, so that the prepared acrylic powder resin has high transmittance and good weather resistance, and can meet the actual use requirements in the fields of automobile hubs and photovoltaics.

The utility model relates to an integrated matching structure of a capacitor upper cover and a terminal, which comprises a circular upper cover, the upper cover is provided with a cover surface, two extraction electrodes arranged at intervals are uniformly distributed on the cover surface, the two extraction electrodes and the cover surface are integrally formed with the upper cover through injection molding, and at least part of the top end of each extraction electrode protrudes out of the upper surface of the cover surface. The bottom end of the extraction electrode at least partially protrudes out of the lower surface of the cover surface; the structure effectively ensures the integrated connection between the extraction electrode and the upper cover, and the structure is firm and stable.

The utility model discloses a camera frame and glass cover plate transferring, correcting, pressure maintaining and discharging device which comprises a transferring table, a discharging mechanism, a pressure maintaining platform, a pressure maintaining mechanism and a discharging table. The at least two pressure maintaining platforms are arranged on the right side of the transfer table in parallel in a spaced mode and move linearly in the front-back direction. The discharging tables are arranged on the right side of the pressure maintaining platform at intervals. The pressure maintaining mechanism is erected above the at least two pressure maintaining platforms and used for maintaining pressure of the attaching pieces on the at least two pressure maintaining platforms. The discharging mechanism is erected above the transfer table, the at least two pressure maintaining platforms and the discharging table in the left-right direction and used for moving the attaching pieces to the pressure maintaining platforms from the transfer table and carrying the pressure maintaining pieces subjected to pressure maintaining to the discharging table from the pressure maintaining platforms. Automatic transfer, bearing correction, automatic pressure maintaining and discharging of the camera frame and the glass cover plate which are attached to each other are achieved, and the assembling efficiency and the assembling pressure maintaining precision are effectively improved.

The invention discloses an aluminum oxide plated film for energy storage of a new energy battery and a preparation process of the aluminum oxide plated film, and belongs to the field of battery materials. A preparation process of an aluminum oxide plated film for energy storage of a new energy battery comprises the following steps: performing plasma treatment on one surface of a film to form a first plasma surface; performing vacuum aluminum oxide evaporation on the first plasma surface to form a first aluminum oxide layer; performing plasma treatment on one surface, deviating from the first aluminum oxide layer, of the film to form a second plasma surface; performing vacuum aluminum oxide evaporation on the second plasma surface to form a second aluminum oxide layer and obtain an aluminum oxide plated film; working gas in the plasma treatment method is mixed gas containing argon and water vapor. The method has the advantage that the comprehensive performance of the aluminum oxide plated film is improved.

The application provides a height compensation method and system of a printing device, and relates to the technical field of printing. The method comprises the following steps: determining a reference height corresponding to a preset measurement reference surface, and controlling printing nozzles in a multi-nozzle 3D printing device to move to the top of the measurement reference surface in sequence and touch the measurement reference surface, determining the height value of the printing nozzles when the printing nozzles touch the measurement reference surface, and measuring the actual height deviation of each printing nozzle based on the trigger signal when the printing nozzles touch the measurement reference surface; and performing height compensation on the printing nozzles in the Z-axis direction based on the compensation height corresponding to the printing nozzles in the Z-axis direction, so as to realize full-automatic leveling and first-layer optimization without manual intervention, ensure the uniformity, adhesion and flatness of the first layer, greatly improve the printing success rate and the intelligent level of the device, and solve the problems of uneven first layer and low success rate in traditional multi-head printing.

The invention discloses a method for synthesizing waterborne polyurethane resin by adopting a prepolymer dispersion method, and relates to the technical field of waterborne polyurethane processing, and the method comprises the following steps: (1) preparing raw materials; (2) prepolymerization; (3) refluxing; (4) neutralization reaction; (5) dispersing, emulsifying and carrying out chain extension reaction; and (6) packaging a finished product. The waterborne polyurethane resin is synthesized by introducing the modified cellulose nanofibers and the functionalized nanosilicon dioxide and combining a prepolymer dispersion method, and the finally synthesized waterborne polyurethane resin has excellent comprehensive performance, especially water resistance and mechanical performance; therefore, the prepared waterborne polyurethane resin can be better applied to the fields of new energy automobiles, intelligent manufacturing, environment-friendly building materials and the like, the use value of the product is greatly improved, and the service life of the product is prolonged.

The invention relates to the technical field of building construction, and discloses a house building painting construction method which comprises the following steps: surface pretreatment: cleaning and repairing a wall surface to ensure the smoothness of a painted surface; partition bottom layer brushing is conducted, specifically, appropriate primer is selected according to the wall area characteristics, and partition brushing is conducted; layered brushing is conducted, it is guaranteed that the coating is uniform through multi-layer brushing of the bottom layer, the middle layer and the surface layer, and the thickness of each layer is controlled; environment-adaptive drying and curing: drying the coating by controlling temperature, humidity and ventilation conditions; environment-friendly material application and healthy construction management are carried out, low-VOC environment-friendly materials are adopted, and health protection measures are carried out to ensure the safety of the construction environment. According to the invention, the stability of the coating in high-humidity and old wall environments is realized through partitioned painting, layered thickness control and application of low-VOC environment-friendly paint, and meanwhile, the adhesive force and curing effect of the coating are improved by matching with the construction sequence and interlayer drying management, so that the uniformity and durability of the coating after construction are ensured.

The invention relates to the technical field of film materials, in particular to an ultraviolet-proof barrier coating film and a manufacturing method thereof.The ultraviolet-proof barrier coating film comprises a polyethylene glycol terephthalate base material layer, an anchoring layer and an ultraviolet barrier layer, the anchoring layer and the ultraviolet barrier layer are sequentially stacked on the surface of one side of the base material layer, and the anchoring layer is a coating formed by curing a main film forming substrate; the ultraviolet blocking layer is a composite coating containing polyurethane acrylate resin, a photoinitiator, an ultraviolet light absorber, nano zinc oxide and nano montmorillonite. According to the invention, through optimized chemical composition and process parameters, firm interface bonding between layers and a compact network structure are realized, so that a high initial ultraviolet protection coefficient and ultraviolet aging resistance durability are synergistically obtained.

The application provides a UV white ink, a preparation method and an application process. The preparation raw material of the UV white ink includes, in terms of weight parts, 5-10 parts of resin, 30-40 parts of amide functional monomer, 25-40 parts of active diluent, 5-10 parts of photoinitiator, 10-25 parts of titanium-containing white paste, and 0.3-3 parts of additive. The resin provides a film-forming skeleton, guarantees the adhesion and scratch resistance of the ink layer; the amide functional monomer uses strong polar amide groups to build low-shrinkage crosslinking nodes, balances the hardness and internal stress, and improves the alcohol resistance; the active diluent adjusts the viscosity of the system and participates in photocuring, and gives the ink good standby anti-settling property. Through the synergistic effect of the components, the application realizes high hardness and excellent scratch resistance, and takes into account the strong adhesion, alcohol resistance and long-term storage stability of the substrate, and is especially suitable for the inkjet printing process of cylindrical curved surfaces such as vacuum cups.

The utility model discloses powder coating equipment for cable production, which belongs to the technical field of cable production and comprises a base, an extrusion molding component connected onto the base, a guide wheel and an electric heating ring connected onto the base, and a rotary cleaning device connected onto the base and positioned between the guide wheel and the electric heating ring. According to the cable production powder coating equipment, by arranging a rotating cylinder, a cleaning pad, a driving assembly, a third gear, an extrusion wheel, a moving plate, a contact rod and an elastic telescopic rod, when the rotating cylinder rotates, the cleaning pad is controlled to rotate on the surface of a conductor, and the conductor is cleaned; meanwhile, a third gear intermittently extrudes a moving plate and a contact rod to move downwards while driving an extrusion wheel to rotate, an elastic telescopic rod resets to control the contact rod to move upwards to knock on the surface of a rotating cylinder, vibration cleaning is conducted on a cleaning pad, impurities can fully fall off, the cleaning degree of the cleaning pad is guaranteed, and the service life of the cleaning pad is prolonged. And the processing quality of the cable is ensured to a certain extent.

The invention, which relates to the technical field of electrical element manufacturing, discloses a bionic dry adhesion mechanism comprising a rack and two adhesion mechanisms arranged symmetrically. The adhesion mechanism comprises a tangential micro-displacement mechanism, a moving seat, a sensing assembly and an adhesion pad; the tangential micro-displacement mechanism is arranged on the rack; the output end of the tangential micro-displacement mechanism can drive the moving seat to be close to or far away from the other adhesion mechanism; the sensing assembly comprises a force sensing element and a distance sensing element; the force sensing element is fixedly arranged at the lower end of the movable seat; the distance sensing element is fixedly arranged at the lower end of the force sensing element; the adhesion pad is fixedly arranged below the distance sensing element; an array type wedge-shaped bristle bundle used for adhering a target object is fixedly arranged on the adhesion pad; the force sensing element can sense tangential force and normal force; the direction of the tangential force is parallel to the adhesion surface of the adhesion target object, and the normal force is perpendicular to the adhesion surface of the adhesion target object. Flexible adhesion to the target object can be achieved, the adhesion effect is guaranteed, and the carrying safety of the target object is improved.

The present application relates to paper-based printing, and discloses an ink composition and a preparation method thereof. The ink composition comprises the following raw materials in parts by weight: 1 to 40 parts of color paste, 60 to 100 parts of ink resin emulsion, 0.1 to 1 part of ink defoamer, 3 to 10 parts of regulator, 0.2 to 0.5 parts of ammonia water, 4 to 5.5 parts of polyol phosphate, and 8.7 to 11.8 parts of auxiliary agent A; the ink resin emulsion is a polyacrylate emulsion, and the relative molecular weight of the resin is greater than 200,000; the relative molecular weight of the ink defoamer is within 7,000 to 15,000, and the regulator is compounded with ethanol and water; the auxiliary agent A is compounded with sodium aluminate and sodium citrate. The ink composition of the present application, without using an existing wetting and dispersing agent, not only reduces the possibility of ink penetration in thin packaging paper, but also ensures the uniformity and adhesion of printing, and reduces the defective rate.

The invention relates to a fireproof coating, in particular to an intumescent water-based vinyl acetate-ethylene fireproof coating for a steel structure. The coating is prepared from the following substances in percentage by weight: 40 to 50 percent of water-based vinyl acetate-ethylene copolymer emulsion, 15 to 20 percent of ammonium polyphosphate, 8 to 10 percent of pentaerythritol, 11 to 13 percent of melamine, 2 to 3 percent of expansible graphite, 0.1 to 1 percent of titanium dioxide, 1 to 2 percent of hollow floating beads, 1 to 2 percent of basalt scales and the balance of water. By optimizing the types and proportions of the intumescent flame-retardant system and the heat-insulating filler, the thickness of an intumescent carbonized layer is increased and the structure of the intumescent carbonized layer is improved on the premise of ensuring the adhesive force of the intumescent carbonized layer and a steel substrate, so that the intumescent water-based vinyl acetate-ethylene fireproof coating for the steel structure, which is high in fire resistance, environment-friendly and single-component, is obtained.

The invention discloses high-reliability welding-resistant conductor paste and a preparation method thereof, and belongs to the technical field of electronic paste. The conductive paste comprises precious metal powder, an organic carrier and lead-free microcrystalline glass powder. The noble metal powder is one or a mixture of more of silver powder, silver-palladium powder and platinum powder, and the metal powder is spherical, spheroidal or flaky; the organic carrier comprises the following components: resin, a solvent and an auxiliary agent; the basic components of the lead-free microcrystalline glass powder are Bi2O3, TiO2 and SiO2, and the added components of the lead-free microcrystalline glass powder are one or more of B2O3, CaO, CuO, Li2O, MgO and Al2O3. The preparation method comprises an organic carrier preparation method, a lead-free microcrystalline glass powder preparation method and a slurry preparation method. The problems that existing conductor paste is poor in welding resistance, adhesive force becomes poor after an environment experiment of a ceramic substrate thick film conductor film layer, and welding reliability is poor are solved. The conductive paste is widely applied to high-reliability conductive paste.

This invention discloses a bimetallic metallurgical composite pipe blank for oil and gas transportation and its preparation method, relating to the technical field of bimetallic metallurgical composite pipe blank preparation. The preparation method includes the following steps: using a low-carbon low-alloy steel outer base pipe with a specific chemical composition and a stainless steel / corrosion-resistant alloy inner liner pipe, after roughening treatment, chemical nickel plating on the inner surface of the outer base pipe, assembly, and hot isostatic pressing treatment with specific process parameters, a metallurgical bonding interface is formed between the low-carbon low-alloy steel outer base pipe and the stainless steel / corrosion-resistant alloy inner liner pipe, which is composed of atomic interdiffusion of the outer base pipe, the nickel layer, and the inner liner pipe. This interface has a high bonding strength of not less than 300 MPa, and is uniform, dense, and defect-free, without continuous oxide films and brittle intermetallic compound layers.

The application provides a multi-interface gateway wiring structure, and belongs to the technical field of gateway boxes. The multi-interface gateway wiring structure comprises a gateway box, a plurality of interfaces are assembled on the gateway box, a screening frame is assembled on the gateway box, a rotating rod one is assembled on the inner wall surface of the screening frame, a paddle is fixedly connected to the edge wall surface of the rotating rod one, and a screening piece is assembled on the inner wall surface of the screening frame. The application solves the problem that the existing multi-interface gateway wiring structure is inconvenient to inhibit the invasion of dust and foreign matters into the gateway box when dissipating heat, which causes abnormality or failure of the devices in the multi-interface gateway wiring structure, and is not conducive to saving maintenance costs.

The invention provides a lamination production line. The lamination production line comprises an unwinding mechanism, an extrusion mechanism, a compounding mechanism and a central winding mechanism. Wherein the unwinding mechanism is used for continuously unwinding a base material; the three extrusion mechanisms are arranged along the unwinding direction of the base material and are used for extruding the same or different plastics; the composite mechanism is provided with three composites, is arranged opposite to the extruder and is used for pressing the base material and the extruded melt film; the center winding mechanism is symmetrically provided with double-station winding pieces along the center position, and continuous winding is carried out. The invention also discloses a lamination process, which comprises the following steps of: unreeling a base material, rectifying, polarizing, extruding and compounding, polarizing, extruding and compounding, overturning, polarizing, extruding and compounding, trimming, measuring the thickness, detecting flaws, polarizing and reeling. According to the continuous winding device, the requirement for continuous winding of the thin film larger than 150 gsm is met, and meanwhile, different materials can be selected for different base materials to conduct film spraying so as to produce thin films with different properties; and continuous unwinding can be achieved, and the production efficiency is improved.

The invention relates to the technical field of spraying primer, in particular to LED light source cured UV spraying white primer for pine and a preparation method thereof.The LED light source cured UV spraying white primer is prepared from, by mass, 25-75 parts of matrix resin, 15-45 parts of acrylate monomers, 0.5-1 part of dispersing agent, 0.6-1.5 parts of defoaming agent, 0.1-0.5 part of flatting agent, 1-5 parts of photoinitiator, 10-30 parts of titanium dioxide and 10-33 parts of filler. Specific matrix resin and acrylate monomers are selected, specific technological procedures are combined for preparation, the odor is reduced, the adhesive force of the primer is kept, and meanwhile the cold and hot temperature difference resistance, the impact resistance and the boiling resistance of the primer can be improved.

The present invention discloses a spraying device and a spraying method for prison door production, which relates to the technical field of spraying equipment, and aims to solve the technical problem that the existing spraying device is difficult to achieve ideal effects in terms of coating efficiency and coating quality. The device includes an outer shell frame, an equipment base arranged below the outer shell frame, a storage tank and a clamp, wherein the storage tank is arranged above the equipment base. The present invention can complete the sandblasting and painting of the prison door only by controlling the up and down movement of the pressure assembly through a cylinder, which reduces the difficulty of the actual use of the device, and when spraying vertically, the sandblasting particles can quickly contact the surface to achieve a good coating coverage rate, ensuring the effect of subsequent painting of the prison door, and spraying paint by rotary spraying can make the paint fully cover the surface of the prison door, ensuring the coating effect while improving the coating efficiency when the device is used.

The invention relates to the technical field of UV coatings, in particular to a UV light-cured gypsum board waterproof sealing primer and a preparation method thereof. The preparation raw materials at least comprise the following components: 30 to 50 parts of a photocuring oligomer, 20 to 40 parts of an acrylate monomer, 10 to 30 parts of an inorganic filler, 3 to 8 parts of a photoinitiator, 0.001 to 0.5 part of a wetting agent, 0.001 to 0.5 part of a leveling agent, 0.001 to 0.5 part of a defoaming agent, 0.001 to 1 part of an adhesion promoter and 0.01 to 2 parts of matting powder. After film formation, the waterproof sealing performance is excellent, the odor is low, and the market application and popularization value is extremely high.

This invention provides a laminating machine for composite paperboard and its working method, relating to the field of paperboard processing technology. The machine includes a frame with a waterproof paper layer conveying station and a paperboard conveying station along the vertical direction. The waterproof paper layer conveying station includes a waterproof paper layer servo conveyor belt and a waterproof paper layer guide frame. A gluing and pressing station is provided along the horizontal direction of the frame. The gluing and pressing station includes a pre-pressing flat roller group, a pressing roller group, a gluing structure, and a linkage mechanism. The linkage mechanism is installed at both ends of the upper pre-pressing flat roller. The gluing structure is located on the frame and is connected to the linkage mechanism, performing lifting and lowering actions relative to the rotating upper pre-pressing flat roller. The gluing structure stores glue internally, and a glue outlet is formed on its downward-facing side. The pressing roller group is located on one side of the waterproof paper layer guide frame. Through the working method, this invention obtains a paperboard with a waterproof paper layer laminated to its surface. When applied in packaging, transportation, and other scenarios, it can provide waterproofing, moisture resistance, and increased paperboard strength.

This invention discloses a composite coating for concrete structures, comprising a sealing primer, an intermediate coat, and a topcoat. The sealing primer is a polyurea coating with modified concrete added, the amount of modified concrete being 3%–6% of the coating weight, and the thickness of the sealing primer being 20–100 μm. The intermediate coat is a polyurethane coating with steel powder added, the amount of steel powder being 3%–6% of the coating weight, and the thickness of the intermediate coat being 80–200 μm. The topcoat is an epoxy resin coating with molybdenum disulfide powder added, the amount of molybdenum disulfide powder being 1%–4% of the coating weight, and the thickness of the topcoat being 50–100 μm. The sealing primer of this composite coating fills concrete pores and cracks, improving structural density and providing a good foundation for subsequent coatings. The intermediate coat enhances overall strength and impact resistance, while the topcoat provides excellent anti-friction properties and chemical stability, blocking external erosion. The synergistic effect of these three components significantly extends the service life of concrete structures in harsh environments.

The technical scheme discloses a kind of rotor magnetic tile sticking device, including feeding mechanism, gluing mechanism, carrying mechanism, push mechanism, pressure mechanism, heating mechanism, output mechanism;Feeding device has material inlet piece, lifting piece, gripper cylinder;Lifting piece is arranged in the tail end position of material inlet piece, and gripper cylinder is arranged in the upper position of lifting piece;Gluing mechanism has rotating table, sliding table, drop glue table.The technical problem solved by the technical scheme is that four-axis mechanical arm is used to realize magnetic tile assembly on rotor.