24results about How to "Guaranteed adhesion" patented technology

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 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 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.

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.

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.

The application discloses a circuit board explosion-proof glue structure, which comprises a bottom glue layer, a surface glue layer and a reinforcing structure. The bottom glue layer is coated and solidified on the surface of the circuit board. The surface glue layer is coated and solidified on the side, away from the circuit board, of the bottom glue layer. The reinforcing structure is embedded in the surface glue layer, so that the surface glue layer forms a continuous body which can be integrally peeled off. The temperature resistance of the bottom glue layer is lower than that of the surface glue layer and the reinforcing structure. The application sets a layer of low-temperature-resistant glue between the circuit board and silica gel or electronic glue, so that the surface glue layer can be easily removed in pieces. The reinforcing structure is arranged in the surface glue layer, so that the surface glue layer is integrated. The glue is attached to the circuit board, and the glue can be easily removed, so that the difficulty of maintenance is reduced, the balance between high adhesion and maintainability of the explosion-proof glue is achieved, and the damage of physical glue scraping to the PCBA is avoided.

The embodiment of the present application relates to the technical field of heavy-duty coating, and discloses a marine facility corrosion protection layer regulation and control method suitable for strong salt spray environment, which comprises preparing a self-activated intermediate paint and applying it between a primer and a topcoat to form a composite protective layer; the core is that a double-triggered mineralization precursor is contained in the main agent of the self-activated intermediate paint, the precursor is composed of BF4 ‑ loaded hydrophobic modified zeolite and zinc phosphate coated water glass microparticles; when the coating is damaged, the corrosion microenvironment of the damaged area can synergistically trigger the zeolite to release BF4 ‑ to buffer the pH, at the same time trigger the dissolution of the coated water glass microparticles and release silicate ions; the released silicate ions react in situ with cations in the environment to generate mineralization products, plugging the damaged area. The present application can actively inhibit corrosion propagation and cathodic delamination after coating damage, significantly improving the long-term reliability and service life of the protective layer.

This invention discloses an integrated black effect design structure for AMOLED wearable products, relating to the field of display technology. It includes a cover plate, a semi-transparent black OCA layer, and an AMOLED display screen, all sequentially bonded together, and a dynamic brightness adjustment module. A black ink layer is printed on the side of the cover plate facing the semi-transparent black OCA layer, and this black ink layer matches the color of the AMOLED display screen in its off-screen state. The transmittance of the semi-transparent black OCA layer is 38%-50%. The dynamic brightness adjustment module is electrically connected to the AMOLED display screen. This integrated black effect design structure for AMOLED wearable products achieves perfect color and gloss matching between the display area and the frame in the off-screen state by parameterizing the AMOLED off-screen color, designing a matching ink formula, and establishing a standardized color matching process. Combined with a semi-transparent black OCA layer with a specific transmittance, it results in a significant integrated black visual effect, greatly enhancing the overall aesthetics of the AMOLED wearable product.

The embodiment of the invention relates to the technical field of vehicles, and discloses a vehicle control method, device and equipment, and the method comprises the steps: obtaining the initial maximum adhesive force of wheels of a vehicle in multiple dimensions; wherein the initial maximum adhesive force of multiple dimensions comprises at least two of the following: a first maximum adhesive force, a second maximum adhesive force and a third maximum adhesive force; the first maximum adhesive force is the maximum adhesive force determined based on the slipping state of the wheel, the second maximum adhesive force is the maximum adhesive force determined based on the road surface image corresponding to the wheel, and the third maximum adhesive force is the maximum adhesive force determined based on the vertical load of the wheel; according to the initial maximum adhesive force of the multiple dimensions, the target maximum adhesive force of the wheel is determined; and controlling the wheels of the vehicle according to the target maximum adhesive force of each wheel. By means of the technical scheme, the problem that in the prior art, reliability of driving force distribution is poor can be solved.

The invention relates to the technical field of perovskite thin-film batteries, in particular to a preparation method of a perovskite thin-film battery film layer and a perovskite thin-film battery. The invention provides a preparation method of a perovskite thin-film battery film layer, and the method comprises the steps: providing a substrate containing a perovskite film layer, and sequentially preparing a plurality of subsequent film layers on the surface of the perovskite film layer in a magnetron sputtering manner; and each subsequent film layer is prepared through the plurality of particle sputtering regions, and the particle energy in the particle sputtering region where the previous-stage film layer is prepared is not greater than the particle energy in the particle sputtering region where the next-stage film layer is prepared. According to the preparation method of the perovskite thin-film battery film layer, the perovskite organic layer of the previous process can be effectively protected, the production efficiency and the adhesive force of the film layer can be ensured, and the cost can be effectively reduced.

This invention relates to the field of valve stem processing technology, specifically disclosing a valve stem wear-resistant coating spraying device, including a base. A processing structure is provided on the upper left wall of the base, and a support structure is fixedly provided on the right side of the processing structure, with the support structure located on the upper right wall of the base. A feeding structure is fixedly provided on the support structure, and a fixed transport structure is provided on the upper wall of the base near the front end. The fixed transport structure is located in front of the processing structure and the support structure respectively. This invention achieves fully automated operation of the valve stem from batch loading, single quantitative feeding, automatic centering and positioning, clamping and transfer, uniform rotation spraying, to automatic suspension and temporary storage after spraying through the process-oriented collaborative layout of the feeding structure, support structure, fixed transport structure and processing structure. This completely solves the problems of low production efficiency and high labor intensity caused by the reliance on manual loading, manual transfer and manual temporary storage in traditional processes.

This invention discloses a double-layer, two-color sole, comprising an inner sole layer and an outer sole layer covering the inner sole layer. Both the outer sole layer and the inner sole layer are made of the following raw materials in the following amounts: 40-50 parts EVA 7470 and 30-40 parts EVA. The material comprises 33121, 15-20 parts isoprene rubber IR80, 10-15 parts polyolefin elastomer 8150, 0.5-1 part di(tert-butyl peroxide), 3-5 parts azodicarbonamide, and 0.5-1 part stearic acid 1840. The inner layer of the sole also includes 0.1-5 parts pigment. This invention also discloses a method for preparing this double-layer, two-color sole. The raw materials are first subjected to intensive mixing, open milling, granulation, and drying to obtain granules for the outer and inner layers of the sole. Then, through steps such as preparing a rough blank, preparing a foamed semi-finished product, molding, and bonding, the double-layer, two-color sole is obtained, meeting consumers' demands for comfortable, lightweight, and brightly colored soles. Furthermore, the preparation process is simple, greatly improving production efficiency and reducing production costs.

The invention provides a steel wire rope lubricating grease composition as well as a preparation method and application thereof, and belongs to the technical field of lubricating grease. The steel wire rope lubricating grease composition comprises the following components in percentage by mass: 30-60% of high-viscosity base oil, 10-35% of low-viscosity base oil, 1-10% of microcrystalline wax, 0.5-10% of a polymer, 1-5% of a softening point improver, 1-10% of a water repellent agent, 1-10% of a metal surface adhesive and 0.1-3% of an antirust agent. The dropping point of the steel wire rope lubricating grease composition reaches 110 DEG C or above, the low-temperature performance reaches-30 DEG C or below, and the steel wire rope lubricating grease composition has the advantages of excellent adhesion, corrosion resistance, heat and humidity resistance, long-term usability and the like, is suitable for protection and lubrication of steel wire ropes in environments with large temperature difference, high salt mist, high heat and humidity and strong corrosion, and has a very good industrial application prospect.

The invention relates to the technical field of rope belt processing equipment, in particular to comprehensive multifunctional processing equipment for rope heads before gum dipping. The device comprises a rack, a main control system is arranged on the rack, and an automatic rope belt arrangement unit, a rope belt head surface treatment unit and an automatic primer coating unit which are uniformly scheduled and sequentially operated by the main control system are integrated on the rack. The equipment is integrated to form a complete automatic production system, so that the automatic and integrated production of the whole process of the glue dipping pretreatment of the rope head is realized, the state of splitting of three major process links is thoroughly changed, a plurality of discrete stations are integrated into a continuous production line, the production takt of a single piece is remarkably shortened, meanwhile, personal errors are thoroughly eliminated, and the production efficiency is improved. The production efficiency and the product precision are improved in order of magnitude, the industrial problem of high-quality treatment of the surface of the rope belt head is solved, the plasma treatment mechanisms which are symmetrical up and down are adopted, the safety forbidden zone of traditional open fire and the effect bottleneck of low-temperature plasma are broken through, fluff on the surface of a rope belt can be efficiently removed, and the controllable mercerizing effect is achieved.

The application provides a high-strength asphalt cold patching material and a preparation method thereof, belongs to the technical field of asphalt polymer materials, and the asphalt cold patching material comprises road petroleum asphalt, anionic emulsified asphalt, EAS-GMA, a core-shell structure composite modifier, epoxy soybean oil, basalt machine-made sand, limestone gravel, KH-550 and the like. The EAS-GMA is prepared by the reaction of polyamide resin, epoxy resin and stannous octoate, and then modified by KH-570. The core-shell structure composite modifier is prepared by the reaction of an isocyanate-terminated polyurethane prepolymer, epoxy resin and benzyl glycidyl ether, and then emulsified, and then MMA and KH-570 are added for adsorption, and then KPS is added for initiating reaction. The asphalt cold patching material is prepared by the synergy of multiple components and process optimization, breaks through the technical bottlenecks of long curing period, low initial strength, poor adhesion and insufficient durability of traditional cold patching materials, and realizes the unification of immediate compression and solidification and high strength and durability.

This invention discloses a double-layer polyurethane-acrylic superhydrophobic coating and its preparation method, relating to the field of hydrophobic materials technology. The method includes: preparing a polyurethane-acrylic-2 mixed solution; screen-printing the polyurethane-acrylic-2 mixed solution onto a substrate, followed by xenon lamp curing to obtain a polyurethane-acrylic-2 bonding layer; modifying P25 nano-titanium dioxide particles to obtain modified P25 nano-titanium dioxide particles; preparing a polyurethane-acrylic-6 superhydrophobic coating reagent; and screen-printing the polyurethane-acrylic-6 superhydrophobic coating reagent onto the polyurethane-acrylic-2 bonding layer, followed by xenon lamp curing to obtain a double-layer polyurethane-acrylic superhydrophobic coating. The superhydrophobic coating prepared by this invention exhibits strong adhesion, durability, and corrosion resistance, making it suitable for large-scale production and application in the coatings industry.

This invention relates to a hardening coating for PET pre-coated films, its preparation method, and a coating film. It includes a primer coating and a topcoat coating; the primer coating is composed of epoxy-modified acrylate, polyurethane-modified acrylate, a photoinitiator, a cationic initiator, a leveling agent, and an organic solvent; the topcoat coating is composed of polyurethane-modified acrylate, a photoinitiator, an organofluorosilicone additive, a reactive diluent, fillers, and an organic solvent. The primer coating uses an epoxy-modified acrylate compounded with a polyurethane-modified acrylate, combined with a dual-initiation system of a free radical photoinitiator and a cationic initiator; the topcoat coating uses polyurethane-modified acrylate as the main component, combined with organofluorosilicone additives and functional fillers, achieving simultaneous improvement in coating hardness, hydrophobicity, and abrasion resistance.

The invention discloses an organic photoconductor drum plain tube ultrasonic cleaning device and process which are applied to the technical field of organic photoconductor drum ultrasonic cleaning devices, and the technical scheme is characterized in that the organic photoconductor drum plain tube ultrasonic cleaning device comprises a base, an input assembly and an output assembly, and the input assembly and the output assembly are symmetrically and fixedly arranged at the two ends of the base in the aluminum plain tube conveying direction respectively; the base is movably connected with a carrying assembly used for carrying a plurality of aluminum tubes on the basis of the conveying lifting assembly, and the base is sequentially provided with an ultrasonic pre-washing assembly, an ultrasonic main washing assembly, a multi-gradient countercurrent rinsing assembly and a drying assembly in the conveying direction of the aluminum tubes. The base is further provided with a sealing cover used for integrally sealing the cleaning device. The sealing cover is provided with an atmosphere replacement assembly used for replacing air in the sealing cover with pure nitrogen in the cleaning process. The cleaning device has the technical effects that the cleaning cost is reduced while the cleaning effect is improved.

This invention relates to a cathodic electrophoretic coating emulsion for preventing paint cracking during perforation and its preparation method, belonging to the field of electrophoretic coating technology. The preparation method includes the following steps: S1. Blocking some isocyanate groups of toluene diisocyanate, and then reacting and bonding the unblocked isocyanate groups with polyamide resin to obtain a self-crosslinking polyamide resin; S2. Amination reaction of epoxy-terminated polybutadiene rubber with a first amine compound to obtain amino-modified polybutadiene liquid rubber; S3. Ring-opening amination reaction of epoxy resin with a second amine compound to obtain amine-modified epoxy resin; S4. Grafting the self-crosslinking polyamide resin onto the amine-modified epoxy resin to obtain grafted resin; S5. Physically mixing the amino-modified polybutadiene liquid rubber and the grafted resin, neutralizing with organic acid, and dispersing with water to obtain the cathodic electrophoretic coating emulsion. This method solves the problem of edge cracking and peeling of existing electrophoretic coatings after secondary mechanical processing such as perforation.

This invention relates to the field of cable sheathing technology, specifically disclosing an ultra-fine wire high flame-retardant CAT6A signal transmission cable and its preparation method. The invention involves wrapping an insulating HDPE composite material around a conductor to form an insulated core wire, then using Kevlar fiber as filler and covering it with polytetrafluoroethylene tape to form the cable core. Finally, a flame-retardant TPE composite material is wrapped around the cable core. The resulting cable exhibits excellent flame-retardant properties, self-extinguishing after being removed from the fire, and superior insulation performance, meeting the needs of the network equipment connection industry. It also possesses signal integrity transmission performance at 15.0m using TIA Patch Cord Cat6A.