57 results about "Dip-coating" patented technology

The application discloses a kind of textile dip coating integrated equipment, the present application relates to textile processing equipment technical field, including: equipment is provided with micro-liquid film part and wedge extrusion part along the direction of textile conveying, micro-liquid film part and wedge extrusion part below are provided with floater control part, floater control part is provided with the liquid return shell of upper end opening, the liquid return shell is formed by communicating with channel guide section and box recovery section, the bottom of channel guide section is inclined to box recovery section, vertically arranged liquid baffle is fixed in box recovery section, and liquid baffle separates box recovery section into reflux cavity and drainage cavity, the equipment is provided with floater control part and floater part, so that float ball can be lifted with the change of liquid level in liquid return shell, and the flow area between second liquid inlet pipe and infusion tube is adjusted by lever arm, rotating rod and connecting rod drive valve needle to move, so that, equipment can automatically adjust the coating liquid supply amount entering micro-liquid film part according to the liquid level in liquid return shell.

This utility model discloses a fluidized bed dip coating device, including a fluidized bed body. A cover plate is hinged to the top of the fluidized bed body, and a lifting plate is connected to the top of the cover plate via a lifting mechanism. A transmission cavity is opened in the lifting plate, and a first synchronous pulley and a second synchronous pulley are arranged in the transmission cavity. The first synchronous pulley and the second synchronous pulley are connected by a synchronous belt drive. The bottom of the first synchronous pulley and the second synchronous pulley are provided with a connecting shaft that penetrates the cover plate and extends downward. The lifting mechanism can drive two mounting plates connected to the lifting plate to move vertically up and down, thereby adjusting the height between the hook and the thermoplastic powder according to the dip coating requirements of different materials, improving the adaptability of the device. A servo motor can drive the first synchronous pulley and the second synchronous pulley to rotate, thereby causing the two mounting plates to rotate, so that the material can have more complete contact with the thermoplastic powder during the dip coating process, thereby improving the dip coating efficiency and quality.

The utility model provides a kind of spring steel wire oiling device, belong to spring steel wire technical field.A kind of spring steel wire oiling device, characterized by, including device body, oil tank is fixedly connected in the device body middle, first support wheel is rotatably connected in the oil tank, the left side of device body above the oil tank is rotatably connected with second support wheel, the right side of device body above the oil tank is rotatably connected with third support wheel, support frame is fixedly connected on the device body between first support wheel and third support wheel, recovery mechanism is equipped on the support frame, and winding mechanism is equipped in the right side of device body.The utility model has spring steel wire and oil contact in oil tank, carries out dip coating, avoids the situation that steel wire outer surface is missed coating, after spring steel wire leaves oil tank, recovery mechanism carries out recovery to the excess oil of spring steel wire surface, avoids the advantage of causing waste.

The application relates to the technical field of new materials, and discloses an antibacterial super-hydrophobic coating as well as a preparation method and application thereof. The antibacterial super-hydrophobic coating is prepared by loading an alkyl pyridine salt modified hydrophobic silicon dioxide and a titanium dioxide composite functional layer on electrospun polylactic acid nanofibers through dip coating and nitrogen curing processes. The antibacterial super-hydrophobic coating has both alkyl pyridine salt modified hydrophobic silicon dioxide sterilization and titanium dioxide photocatalytic sterilization double mechanisms, and is prepared by a mild process. The water contact angle of the prepared antibacterial super-hydrophobic coating is greater than or equal to 150 degrees, the sterilization rate is as high as 99.5%, the biocompatibility is excellent, and the thermal stability, acid and alkali stability and mechanical stability are strong. The preparation process is simple, environment-friendly and scalable, and is suitable for medical dressings, food packaging, water treatment membranes and other scenes, and solves the problems of single antibacterial property and insufficient environmental protection of existing coatings.

Methods and analyte sensors including at least a first working electrode having a first active area thereon, and performing a dip coating operation to deposit a bilayer membrane upon the first working electrode and the first active area. The bilayer may include an inner layer having a first membrane polymer and an outer layer having a second membrane polymer, the first membrane polymer and the second membrane polymer differing from one another. The dip coating operation may comprise one or more first dips in a first membrane formulation to form the inner layer of the bilayer membrane and one or more second dips in a second membrane formulation to form the outer layer of the bilayer membrane upon the inner layer.

This invention provides a latex glove dipping and coating process for the field of latex glove technology, comprising: S1: cleaning the glove mold sequentially through an acid tank and a first hot water tank; S2: immersing the cleaned glove mold in a second hot water tank for soaking and heating; S3: immersing the glove mold successively in a first coagulant tank and a second coagulant tank, adding a release agent to the second coagulant tank, and then immersing the glove mold in the second coagulant tank to form a layer of coagulant mixed with the release agent, followed by drying to evaporate the moisture. By employing a production line consisting of a chain-driven connection of an acid tank, a glue tank, a vulcanizing furnace, and a complete demolding machine, fully automated continuous production from mold cleaning to finished product demolding is achieved, reducing manual intervention and improving production efficiency. By adding a release agent to the second coagulant tank, the mold is coated with a layer of coagulant mixed with the release agent before dipping, optimizing the demolding process and simplifying the procedures.

This invention belongs to the technical field of wire mesh and its preparation method, and discloses a wire mesh for rewinding steel wire window screen and its preparation method. Its main technical features are: it includes longitudinal and transverse wires; the longitudinal wires include a longitudinal wire outer layer and a longitudinal wire core; the longitudinal wire core includes a steel wire rope made of multiple single steel wires twisted together; the transverse wires include a transverse wire outer layer and a transverse wire core; longitudinal wire grooves are provided on the longitudinal wires at the junction of the longitudinal and transverse wires, and transverse wire grooves are provided on the transverse wires at the junction of the longitudinal and transverse wires; the longitudinal wire grooves and transverse wire grooves are interlocked. The steel wires are twisted into a steel wire rope through a twisting and rope-forming process; a non-metallic outer layer is wrapped around the outside of the steel wire rope by dip coating or extrusion to form braided yarn; the braided yarn is woven into a wire mesh using a braiding machine; the woven wire mesh is then heated and rolled for shaping; and the pressure-shaped wire mesh is wound onto a take-up roller using a take-up mechanism. The entire longitudinal wire core has good flexibility, is easy to bend, and has high tensile strength; the outer layer can increase corrosion resistance and improve the service life of the entire mesh; the mesh always remains flat.

The present application relates to the technical field of textile materials, in particular to a photochromic curtain fabric and a preparation method thereof. The present application overcomes the problems of unstable discoloration performance and poor durability of the curtain fabric. The present application synthesizes modified polyimide through copolymerization and imidization reaction; the photochromic microcapsules, composite dispersing agent and other components are two-stage melt blended with the modified polyimide to obtain a mixture containing polyimide; then the surface of the polyimide fiber is modified through spinning forming and surface modification; finally, the photochromic curtain fabric is obtained through dip coating, curing and weaving processes. The mechanical properties and discoloration stability of the fabric are enhanced by modifying the polyimide; the aging resistance of the fabric is improved by the synergistic effect of the other components, thereby meeting the functional and durable requirements of the textile material.

The utility model relates to the technical field of coating production, and provides a modified asphalt coiled material tire base cloth quantitative coating device which comprises a coating assembly, a feeding assembly and a quantitative control assembly, the coating assembly comprises a fixed wall plate, a coating bottom roller, a material storage plate, a coating roller and a lifting adjusting mechanism, the coating bottom roller is rotationally connected with the fixed wall plate, and the coating roller is located above the coating bottom roller and arranged on the fixed wall plate through the lifting adjusting mechanism; the feeding assembly comprises a material conveying pipeline, a material distributor and a constant delivery pump body, the constant delivery pump body is connected with the material conveying pipeline, and the material distributor is arranged at the tail end of the material conveying pipeline; the quantitative control assembly comprises a controller and a servo driver, and the quantitative pump body and the lifting adjusting mechanism are both electrically connected with the servo driver. Through the arrangement of the quantitative control assembly, the quantitative control assembly can control the actions of the quantitative pump and the lifting adjusting mechanism, the conveying amount of the dip-coating material is controlled through the quantitative pump, the coating amount on the tire base cloth can be quantified in cooperation with the lifting adjusting mechanism, and the coating quality is improved.

This invention discloses a method and system for preventing oxidation of recycled copper rods, relating to the field of non-ferrous metal surface protection. The method includes material preparation, pretreatment, preparation of an anti-oxidation solution, dip coating, drying and curing, and packaging. This invention offers excellent anti-oxidation performance: the anti-oxidation film is dense and uniform, effectively isolating oxygen and moisture from contact with the copper surface. Recycled copper rods stored in a natural environment show no significant oxidation after more than 6 months, with an anti-oxidation efficiency ≥98%, far superior to traditional methods. The film exhibits strong adhesion: the silane coupling agent forms a chemical bond with the copper surface, and combined with the curing treatment, the film adhesion is ≥5N / cm, making it difficult to peel off and able to withstand minor friction during storage and transportation.

This utility model belongs to the technical field of insulator dip coating equipment, and discloses a suspension insulator dip coating device. Both the workpiece loading / unloading assembly and the material tank moving assembly are electrically slidable on a ground rail. At least two dip coating head assemblies are arranged between the workpiece height measuring assembly and the material tank moving assembly. The workpiece loading / unloading assembly is equipped with at least two workpiece clamps arranged along the width of the ground rail. The dip coating head assembly is equipped with at least two electrically operated clamping mechanisms arranged along the width of the ground rail. A clamp lifting mechanism is connected to the lower end of each workpiece clamp. A first distance-measuring laser sensor is provided on one side of each workpiece clamp. At least two second distance-measuring laser sensors are arranged along the width of the ground rail on the workpiece height measuring assembly. This utility model facilitates the alternating attachment of multiple insulators on different dip coating head assemblies, and the alternating coating of different dip coating head assemblies within the material tank moving assembly, thereby improving production efficiency.

This application relates to the field of hot-air expansion part forming and manufacturing technology, and particularly to a method for preparing highly corrosion-resistant hot-air expansion parts. The method includes: hot-air expanding non-zinc-based coated hot-formed steel to obtain a heat-treated substrate; quenching the heat-treated substrate to obtain a quenched hot-air expansion part; hot-dip coating the quenched hot-air expansion part with a zinc-based coating using a zinc-containing plating solution to obtain a hot-air expansion part containing a zinc-based coating; wherein the hot-dip coating temperature is proportional to the thickness of the quenched hot-air expansion part; and heat-treating the hot-air expansion part containing the zinc-based coating to obtain a zinc-based coated hot-air expansion part. This preparation method, through full-process control of "substrate pretreatment → precise hot-dip coating → coating structure optimization," synergistically optimizes the formation quality, structural stability, and bonding performance with the substrate of the zinc-based coating, improving the corrosion resistance of the hot-air expansion part from three dimensions: physical barrier, sacrificial anode protection, and structural reinforcement.

Method for producing a coated electrode wire for use in electrical discharge machining, comprising: Providing a central wire having a first diameter and formed from a first copper-containing metal, Hot-dip coating of the central wire for a desired time and at a desired temperature through a melt bath containing a second metal having an evaporation temperature lower than that of the first metal, wherein an alloy layer is formed on the central wire by means of a diffusion reaction between the first metal and the second metal, which has greater hardness and lower elongation than the first metal and the second metal, and wherein a coating layer is formed on the alloy layer, and Drawing the central wire, which has the alloy layer and the coating layer, so that a coated electrode wire with a second diameter is formed, whereby cracks are formed during the drawing step due to the high hardness and low elongation in the alloy layer and in the coating layer, characterized in that the resulting alloy layer and the resulting coating layer are porous with a sponge-like structure.

The utility model discloses a kind of coiled material surface coating devices, belong to aluminium material roll coating technical field, the device includes installation shell, support leg, roll, coating box, coating roller, pressing roller and U-shaped bottom plate, by U-shaped bottom plate can make coating gather to center, to make coating roller can dip more coating in coating box inside when rotating, can reduce the residual coating in coating box inside, when adding coating to coating box inside, make coating lower than the inside bottom of notch groove, after coating is reduced in coating box inside after coating roller rotates and dips coating, at this time, electric telescopic rod is started to elongate, make coating box move upwards, the rotating shaft of coating roller both sides is inserted into the inside of notch groove, to make coating roller continue to dip coating residual in the center bottom of U-shaped bottom plate, can further reduce the residual coating in coating box inside.

The application discloses a composite aerogel and a preparation method and application thereof, and belongs to the technical field of functional materials and environmental treatment. In the application, delignified cotton stalk cellulose is compounded with MXene to prepare a suspension, directional freezing self-assembly is carried out by using n-heptane as a heat transfer medium, and after freezing drying and polydimethylsiloxane dip coating, a PDMS / CMNF / MXene composite aerogel is obtained. The aerogel has an ultra-fine scale, high-density vertically arranged pore channels and a multi-level pore structure, and the pore channel diameter is 20-40 mu m. Under the driving of solar energy, the surface temperature of the aerogel can reach above 120 DEG C, the rapid in-situ viscosity reduction and efficient adsorption of high-viscosity crude oil are realized, the adsorption capacity is more than 56 times of the weight of the aerogel, and the performance retention rate is greater than 90% after 10 cycles. The application provides an efficient, green and recyclable solution for the treatment of marine high-viscosity crude oil leakage.

The invention relates to a component group (2) for a vehicle and a method for painting such a component group (2) using cathodic dip painting, wherein the component group (2) comprises a first component (4) and a second component (6) rotatably mounted to one another about a rotation axis (D) extending in an axial direction (A), wherein the first component (4) has a bearing hole (8) in which a cast bearing bushing (10) is inserted, which is formed by partially casting around the first component (4), and the two components (4, 6) are connected via a bearing bolt (18) guided through the bearing bushing (10), wherein the bearing bushing (10) is made of plastic with conductive additives contained therein, so that a conductive connection is formed between the two components (4, 6) via the bearing bushing (10) and the bearing bolt (18) guided therein.This means that only one of the components (4, 6) needs to be electrically contacted during cathodic dip coating, ensuring that both components are at a suitable voltage potential.

A coated metal sheet, obtainable by a process for manufacturing a coated metal sheet comprising the following steps: (i) Providing a sheet of metal; (ii) Applying a coating composition to at least one side of the metal sheet; and (iii) Baking the coating composition; wherein - the coating composition includes a thermoplastic polymer; - the coating composition is a dispersion comprising the thermoplastic polymer in the form of dispersed particles; - the dispersed particles have a mean particle diameter of at least 10 µm; - the coating composition does not include any fluorinated compound; and - the application of the coating composition includes dip coating, doctor blade coating, casting, roller coating or a combination of two or more of these.

This utility model relates to the field of waterproof membrane impregnation processing technology, and discloses a waterproof membrane impregnation processing device, including an impregnation processing device box. A lifting component is provided at the top of the impregnation processing device box, and an adjusting component is provided at the bottom of the impregnation processing device box. A power component is fixedly connected to the impregnation processing device box, and an oil-impregnation tank is opened inside the impregnation processing device box. A support foot is fixedly connected to the bottom of the impregnation processing device box. The adjusting component includes a second support frame, and a first motor is fixedly connected to the inner wall of the second support frame. A lead screw is fixedly connected to the output end of the first motor, and a connecting plate is threadedly connected to the surface of the lead screw. This utility model, by starting the motor, causes its output end to drive the lead screw to rotate, thereby causing the connecting plate connected to its surface to move up and down along the lead screw, which in turn drives the oil-impregnation roller to move up and down accordingly, thus enabling the use of membranes of different thicknesses and oil viscous properties.

An immersion coating kit comprising a substrate (2) and an immersion coating chamber (1) for depositing a liquid formulation on a surface (2.1) of a substantially flat substrate (2), said chamber (1) comprising a tank (3) for storing the liquid formulation, said tank (3) being closed by a removable lid (4) with a slit (5) through which immersion and withdrawal of the substrate (2) can take place. A method for depositing a compound C on a surface of a substrate (2) comprising introducing the substrate (2) into an immersion coating chamber (1) through a slit (5), the entire portion of the surface (2.1) to be coated being immersed in the liquid formulation.

Methods and analyte sensors including at least a first working electrode having a first active area thereon, and performing a dip coating operation to deposit a bilayer membrane upon the first working electrode and the first active area. The bilayer may include an inner layer having a first membrane polymer and an outer layer having a second membrane polymer, the first membrane polymer and the second membrane polymer differing from one another. The dip coating operation may comprise one or more first dips in a first membrane formulation to form the inner layer of the bilayer membrane and one or more second dips in a second membrane formulation to form the outer layer of the bilayer membrane upon the inner layer.

The present invention relates to the technical field of hot-dip coating, and relates to an alloy powder spraying system and an alloy powder spraying system-based zinc-aluminum-magnesium coating process. The process comprises the following steps: step 1, drying an alloy powder for later use, and while preparing the alloy powder, melting a high-magnesium zinc-aluminum-magnesium alloy in a zinc-aluminum-magnesium pot to form a hot-dip coating melt for use during hot-dip coating; step 2, feeding a strip steel into the zinc-aluminum-magnesium pot for hot-dip coating, so as to form a high-magnesium zinc-aluminum-magnesium coating on the surface of the strip steel, and performing air knife treatment; and step 3, using the alloy powder prepared in step 1 as a coolant, spraying the alloy powder on both side surfaces of the strip steel after hot-dip coating by means of an alloy powder spraying system at the same time to cool the high-magnesium zinc-aluminum-magnesium coating, and using the alloy powder for nucleation in the solidification of the zinc-aluminum-magnesium coating alloy, and achieving cooling control over the solidification process of the high-magnesium zinc-aluminum-magnesium coating by adjusting parameters of the alloy powder.

This invention discloses a method for preparing and applying a novel tetrapod-anchored self-assembled hole transport material. This transport material has a structure of general formula (Ⅰ), as follows: (Ⅰ) wherein the tetrapod is independently selected from perylene-based fused-ring aromatics, triphenylamine-based polyphenyl aromatics, thiophene-based heterocyclic aromatic compounds, or fused-ring aromatic derivatives. The tetrapod anchoring group can be efficiently introduced through a one-step reaction, and the subsequent self-assembly film formation process does not require complex solution processing. Ultrathin layers can be formed at room temperature through spin coating or dip coating, significantly reducing material and preparation costs.

The invention relates to a method and a system (10) for hot-dip coating a high-strength steel strip (102) moving in a transport direction (T), in particular of oxidation-sensitive AHSS grades, comprising a hot-dip bath (104) into which the steel strip (102) can be immersed for coating, wherein - viewed in the transport direction (T) of the steel strip (102) - upstream of the hot-dip bath (104) at least a first heating chamber (107) with at least one inductor (108, 109), a rapid cooling chamber (116) and a holding chamber (117) for partitioning the steel strip (102) are arranged.

A hot-dip galvanizing apparatus capable of coating a steel strip (1) running along a given path includes an annealing furnace (2), a nose (3), and a nose tip (5) capable of being partially immersed in a molten metal bath (6), wherein a sealed and deformable gap compensator (4) is installed between the nose (3) and the nose tip (5).

The application discloses a kind of vehicle-mounted panel full inclusion dip coating process and method, it is related to vehicle-mounted panel dip coating technical field, including the processing line of vehicle-mounted panel body is equipped with the dip coating pool of chemical corrosion resistant coating, for the overall dip coating of the positive surface area of vehicle-mounted panel body, ink area and plastic plate layer edge.This vehicle-mounted panel full inclusion dip coating process and method, the present application realizes the full coverage and uniform coating of coating on all exposed surfaces of panel, overcome the edge missing coating, uneven thickness problem existing in traditional spraying, brushing and other ways, significantly improve the overall chemical corrosion resistance, weather resistance and scratch resistance of panel, while front coating HC series coating and surface film plating nanometer barrier layer constitute composite basic protection, enhance the bonding force and overall performance of final dip coating layer, and the protection of product four around side and back part ink area, can effectively avoid the problem that product appears corrosion ink defect caused by external factors.

The application provides a nanocellulose-based edible preservative liquid, a preparation method and a use method thereof. The nanocellulose-based edible preservative liquid comprises a nanocellulose solution, beeswax and glycerol. The preparation method comprises the following steps: mixing the nanocellulose solution, the beeswax and the glycerol according to a proportion and heating to melt the beeswax to obtain a mixed liquid; then, stirring and emulsifying the mixed liquid to obtain a nanocellulose emulsion; finally, performing vacuum defoaming treatment on the nanocellulose emulsion to obtain the nanocellulose-based edible preservative liquid. The application develops an edible and easy-to-wash preservative liquid based on nanocellulose, adopts a dipping coating mode to perform coating film treatment on fruits and vegetables, forms a micro-nano level preservative coating layer on the surface of the fruits and vegetables, can effectively reduce the loss of water and nutrients on the surface and inside of the fruits and vegetables, reduces the gas permeability of the preservative coating layer, and significantly enhances the mechanical strength of the preservative coating layer.

The application discloses a medical catheter and a preparation method thereof, and belongs to the field of medical catheter technology. The medical catheter comprises an inner layer pipe material composed of polytetrafluoroethylene material, a coating layer composed of nylon elastomer material covering the outer surface of the inner layer pipe material, a metal braided layer arranged on the outside of the coating layer, a middle layer composed of nylon elastomer material covering the outside of the metal braided layer, and an outer layer composed of nylon material covering the outside of the middle layer. The preparation method comprises the following steps: preparing a solution, dissolving the nylon elastomer material in an organic solvent to obtain a uniform nylon elastomer solution; dip coating, dipping the inner layer pipe material composed of polytetrafluoroethylene material in a container containing the nylon elastomer solution so that the surface of the inner layer pipe material is attached with a solution layer; and drying, heating the inner layer pipe material after dip coating in a sintering furnace to volatilize the solvent and form a solid coating layer composed of nylon elastomer material on the surface of the inner layer pipe material. The medical catheter has the advantages that the interlayer bonding force can be enhanced, and the burst pressure resistance of the medical catheter can be improved.

A method of hot-press forming an article of zinc-coated steel or zinc alloy, wherein the steel is a product obtained by a steelmaking method comprising the steps of: - shaping molten steel into slabs; - reheating the slabs, preferably to a temperature of 1150°C or higher and preferably for a time of 60 minutes or more; - hot-rolling the steel into a strip, preferably with a finish exit rolling temperature (FRT) above the Ar3 temperature, where Ar3 denotes the temperature at which ferrite transformation begins in the steel during quenching; - coiling the hot-rolled steel strip; - pickling the hot-rolled steel strip; - continuously annealing the strip; - hot-dip coating the steel strip with zinc or zinc alloy at once; - using an immersion time of 3 seconds or more;- maintaining a hot immersion bath temperature of 420°C to 500°C - where the zinc bath contains essentially zinc, at least 0.1% Al and optionally up to 5% Al and optionally up to 4% Mg, the remainder of the bath comprising additional elements, all individually in less than 0.3% and unavoidable impurities; - forming the article by hot pressing.

The present invention relates to a biomaterial-based wearable sensor manufacturing method. The biomaterial-based wearable sensor manufacturing method according to the present invention comprises: a) a first preparation step of preparing a thin film-shaped base substrate; b) a second preparation step of preparing a material to be coated on the base substrate by putting an aqueous graphene oxide solution and an aqueous silk fibroin solution in separate containers; c) a dip coating step of sequentially dip-coating the aqueous graphene oxide solution and the aqueous silk fibroin solution on the base substrate; and d) a drying step of drying the base substrate which has undergone the dip coating by applying heat.