374 results about "Dip-coating" patented technology

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.

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.

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.

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 invention provides a preparation method of a nano super-hydrophobic material. The preparation method comprises the following steps: firstly, selecting nano silicon dioxide particles with the particle size of 20-50 nanometers, and matching the nano silicon dioxide particles with heptadecafluorodecyl trimethoxysilane and other raw materials; the nano silicon dioxide particles are subjected to surface modification for 3-5 hours at 40-60 DEG C by controlling the volume ratio of absolute ethyl alcohol to deionized water to be (3-5): 1 and the mass ratio of the long-chain alkyl silane coupling agent to the nano silicon dioxide particles to be (0.5-1.5): 1. Adding 0.1-0.5% hydrochloric acid or sulfuric acid for catalysis, and stirring at room temperature for 2-4 hours to form a sol-gel system; ultrasonically cleaning the substrate, activating with a sodium hydroxide solution, coating by a spraying, dip-coating or spin-coating method, and drying and curing at 60-80 DEG C for 2-3 hours to obtain a finished product. The water contact angle of the prepared material is not lower than 150 degrees, the rolling angle is not higher than 5 degrees, the performance is stable in the environment with the temperature ranging from-20 DEG C to 80 DEG C and the humidity ranging from 20% to 90%, and the water contact angle is still not lower than 140 degrees after more than 500 times of abrasive paper friction tests.

The invention discloses a graphene microchip dip-coating device for a PCB (Printed Circuit Board) substrate, and relates to the technical field of circuit board processing. Comprising a gantry moving frame, a plurality of treatment grooves and a mounting rod, and a plurality of clamping units distributed at equal intervals are arranged on the mounting rod; the clamping unit comprises a U-shaped frame which is erected on the mounting rod, the U-shaped frame is provided with a fixed clamping frame, the fixed clamping frame is fixedly connected with a positioning block and hinged to a movable clamping frame, and a supporting piece is fixedly connected to the side, close to the positioning block, of the movable clamping frame. The movable clamping frame is supported and limited through the supporting piece, when the base plate is clamped, the base plate only needs to be moved, the supporting piece is pushed through the base plate, the supporting piece relieves limiting of the movable clamping frame through the supporting piece, and then the base plate can be clamped and fixed, so that the step that all clamps are fastened one by one is omitted, and the clamping efficiency is improved. The probability that the substrate deflects during the clamp fastening process is reduced, the operation steps are simplified, and then the dip-coating and electroplating efficiency is improved.

The utility model relates to coating equipment, and discloses hydrophilic coating coating equipment for medical catheters, which comprises a dip-coating module, a lifting module and a curing module, the dip-coating module comprises a moving frame and a horizontal driving device, a solution tube is mounted on the moving frame, the horizontal driving device is in driving connection with the moving frame, and the lifting module is connected with the curing module. The lifting module comprises a lifting driving device, a rotating assembly and a mounting frame, the mounting frame is used for mounting a medical catheter and connected with the lifting driving device, the rotating assembly is used for driving the medical catheter to rotate, the mounting frame is located above the dip-coating module, the curing module comprises an ultraviolet lamp set, and the ultraviolet lamp set is located on the side face of the lifting module. According to the utility model, the hydrophilic coating can be efficiently and uniformly formed on the medical catheter.

The utility model discloses a dip-coating tank and an electric hot melting non-self-adhesive asphalt waterproof coiled material production device. The dip-coating tank comprises a dip-coating tank body, and a first partition plate assembly and a second partition plate assembly are arranged in a tank cavity of the dip-coating tank body. The first partition plate assembly and the second partition plate assembly divide the groove cavity into electric hot melting asphalt coating material dip-coating grooves located on the two sides and a common asphalt coating material dip-coating groove located in the middle in the width direction, and gaps for coiled materials to pass through are formed in the first partition plate assembly and the second partition plate assembly correspondingly. The structure is improved to adapt to the production and processing of the novel electric hot melting non-self-adhesive asphalt waterproof coiled material.

The invention discloses an ultraviolet-cured glass fabric impregnated reinforced material as well as a preparation method and application thereof. The ultraviolet-cured glass fabric impregnated reinforced material comprises the following components in parts by weight: 50-70 parts of main body UV resin; 10 to 15 parts of tripropylene glycol diacrylate; 10 to 15 parts of N-acryloyl morpholine; 15 to 20 parts of cyclotrimethylolpropane methylal acrylate; and 5-10 parts of a photoinitiator. The prepared ultraviolet-cured glass fabric impregnated reinforced material has good cold and hot temperature difference resistance, high temperature resistance and weather resistance, also has good scratch resistance, can be used for processing glass fabric in a manner of photocuring after dip coating, and has the advantages of simple processing technology, high efficiency, low energy consumption and no pollution to the environment.

The invention relates to a hot dipping solution for a bridge cable steel wire. The hot dipping solution comprises the following chemical components in percentage by weight: 5-20% of Al, 0.05-1.0% of RE, 0.05-3.0% of Si, 0.05-3.0% of Cr, 0.05-3.0% of Ni, and the balance of Fe. The preparation method comprises the following steps: preheating zinc ingots and aluminum blocks; preheating the smelting furnace; the zinc ingot is put in and heated to be melted; aluminum blocks are added in three batches; adding RE and silicon; naturally cooling the hot-dip plating solution for later use; the application method comprises the following steps: pretreating the bridge cable steel wire; plating assisting treatment; performing hot dipping; performing treatment; and coating oil for protection. According to the hot dipping temperature and the hot dipping time suitable for the steel wires with different diameters, the performance of the series of steel wires with the diameter of 5 mm is optimal after the steel wires are subjected to hot dipping treatment at 440-450 DEG C for 30-60 s, the tensile strength reaches 2148 Mpa, the ductility reaches 4.95%, and the number of torsion turns reaches 15; a series of steel wires with the diameter of 7 mm have the best performance after being subjected to hot dipping treatment at 450-460 DEG C for 30-60 s, the tensile strength reaches 2160 Mpa, the ductility reaches 5.53%, and the number of torsion turns reaches 14 times.

The invention discloses a tough underwater superoleophobic gel composite coating and a preparation method thereof.The preparation method specifically comprises the following steps that 1, a base material is soaked in a mixed solution of tannic acid and 3-aminopropyltriethoxysilane, after a period of time, the base material is taken out and soaked in a ferric chloride solution, and a nano-particle modified filter screen is obtained after drying; (2) loading the gel precursor solution on a nanoparticle modified filter screen through a dip-coating method, and preparing a gel composite filter screen under ultraviolet initiation; and (3) soaking the gel composite filter screen in a sodium citrate aqueous solution, and taking out the gel composite filter screen to obtain the tough underwater super-oleophobic gel composite coating modified fishing net. According to the method, the tough underwater super-oleophobic gel composite coating modified fishing net is prepared by adopting an impregnation method and ultraviolet initiation, the preparation process is simple, and the prepared gel composite coating has excellent oil stain resistance, mechanical stability and chemical stability and can be applied to crude oil adhesion prevention and oil-water separation of industrial oily wastewater.

The invention discloses dip-coating equipment and a dip-coating method for processing impregnated decorative paper, which are used for realizing uniformity control in the impregnation process of the decorative paper and solving the problem of excessive or insufficient local glue amount in the existing impregnation mode. On one hand, the dip-coating equipment for processing the impregnated decorative paper comprises a glue tank, a paper feeding roller, an impregnating mechanism, a smearing mechanism and a glue scraping mechanism are sequentially arranged on the glue tank from one side to the other side of the glue tank, and the paper feeding roller is arranged above one side of the glue tank and can rotate in the circumferential direction of the paper feeding roller; the dipping mechanism comprises a dipping roller, and the dipping roller is arranged in the glue tank; the coating mechanism is arranged above the glue tank, the coating mechanism comprises two groups of brush rollers, the two groups of brush rollers are symmetrically arranged up and down, and the two groups of brush rollers are driven by a third power device to rotate in the circumferential direction of the brush rollers; the whole glue scraping mechanism is arranged above the glue tank, the glue scraping mechanism comprises two groups of scraping plates, and the two groups of scraping plates are symmetrically arranged up and down.

The invention discloses a preparation method of a packaged electric heating phase change fiber with an axial orientation conductive network, which comprises the following steps: dissolving carbon black in water, dispersing, and adding methyl cellulose to prepare a carbon black / methyl cellulose spinning solution; extruding into a cold source through a spinning needle on an injection pump, enabling the spinning solution to enter the cold source to be gradually frozen, and collecting frozen fibers to prepare carbon black / methyl cellulose aerogel fibers with conductive network structures in different orientations; immersing the carbon black / methyl cellulose aerogel fiber into a molten phase change material, and cooling after vacuum impregnation to obtain an electric heating phase change fiber; and coating the electrothermal phase change fiber with a polymer solution through a dip-coating method, and volatilizing the solvent to prepare and complete shell packaging, thereby obtaining the packaged electrothermal phase change fiber. The packaged electrothermal phase change fiber prepared by the method has high conductivity, high energy storage density, high electrothermal conversion efficiency, excellent flexibility and stability, and excellent thermal management capability.

The invention relates to a daytime passive radiation refrigeration coating material and a preparation method and application thereof.The preparation method comprises the steps that perovskite oxide Sr (Zr < 1-y > Xy) Oz ceramic, polyvinylidene fluoride and an N-methyl pyrrolidone solution are blended, and organic-inorganic mixed slurry is obtained; coating the slurry on the surface of a substrate through a blade coating method, a pulling method or a cold spraying process; and airing or drying to obtain the product. The coating material disclosed by the invention has excellent sunlight high reflectivity and mid-infrared high emissivity, so that the coating can effectively dissipate heat to outer space in a daytime high-temperature environment, and a passive cooling effect is realized. Under the conditions that the sunlight intensity is 772 W / m < 2 > and the environment relative humidity is 19%, the refrigeration performance of 6.8 DEG C can be achieved. Meanwhile, the slurry formula and the preparation process of the coating are simple and easy to implement, raw materials are easy to obtain, the cost is low, the coating is suitable for various coating processes, and stable coatings can be formed on the surfaces of matrixes in different shapes.

The invention discloses forming equipment and method for a three-layer continuous composite pipe, and relates to the technical field of composite pipe machining, the forming equipment comprises an extruder, a traction machine, a winding machine and a coating machine, the extruder extrudes and forms an inner layer, the inner layer is dragged by the traction machine to the winding machine to be wound and formed into a middle layer, and then the inner layer is dragged by the traction machine to the coating machine to be coated and formed into an outer layer. The three-layer continuous composite pipe is sequentially formed in a layered mode through three forming methods, an automatic production line can be achieved through traction of an auxiliary device traction machine, the working efficiency is improved, and most labor cost is saved; the outer layer adopts dip-coating and roll-coating processes, so that the coating area is large, the efficiency is high, and compared with extrusion molding, the process is more convenient and quicker.

The invention discloses a modified MXene conductive polymer bacterial cellulose composite fiber electrode and a preparation method and application thereof, and belongs to the field of composite conductive super-strong fiber preparation. The preparation method comprises the following steps: mixing K-MXene and a conductive polymer to obtain composite conductive ink; then, the strip-shaped BC hydrogel is crosslinked with composite conductive ink through a hydrogen bond, and K-MXene / PEDOT: PSS-coated BC conductive hydrogel is obtained; secondly, the conductive hydrogel is subjected to a wet state-drafting technology and a wet state-twisting technology, and K-MXene / PEDOT: PSS-BC conductive composite large fibers are obtained; finally, the p-K-MXene / PEDOT: PSS (at) BC composite conductive large fiber electrode is obtained through dip coating of PDMS dispersion liquid and solvent replacement, and the p-K-MXene / PEDOT: PSS (at) BC composite conductive large fiber electrode is obtained. The prepared fiber electrode and commercial yarn can be woven into an intelligent fabric which is used for a self-powered sensor and reliable detection of human body signals.

The invention relates to a zinc-aluminum-magnesium alloy coated steel plate / strip for photovoltaic structure manufacturing and a production method, and belongs to the field of metal material processing and manufacturing. The base material is composed of 0.15%-0.20% of C, 0.20%-0.3% of Si, 0.5%-0.8% of Mn, less than or equal to 0.025% of P, less than or equal to 0.015% of S, 0.03%-0.07% of Als, 0.010%-0.020% of N, 0.020%-0.040% of Ti, 0.010%-0.030% of V and the balance Fe and inevitable impurities; ti + V = (0.2-0.45) x (C + N). The method comprises the steps of hot rolling, acid pickling, cold rolling, annealing, hot dipping, air knife purging and finishing. The technology improves the stability, obdurability and surface quality of the plate. The problems that a zinc-aluminum-magnesium steel plate alloy prepared in the prior art is single in strengthening, high in cost, wide in strength range, low in ductility and large in performance fluctuation are solved.

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.

A bearing system is configured for use between a roller journal and a support frame in a molten metal hot dip coating line for steel strip. The system includes a sleeve configured to attach to a journal and a bearing assembly comprising a bushing rotatably supporting the sleeve. The sleeve is made from solid cemented carbide. An elastically compressible layer joins the sleeve to the journal, wherein the sleeve and the journal are mechanically coupled to rotate together.

A dual-modal information storage and anti-counterfeiting material, and its preparation method are provided. The dual-modal information storage and anti-counterfeiting material uses cadmium sulfide quantum dots (CdS QDs) as information storage material, and uses the controllable photocorrosion of CdS QDs to achieve dual-modal optical information storage and anti-counterfeiting applications. Firstly, the type of ligands and modification degree of CdS QDs are precisely controlled during the aqueous phase synthesise process, so as to effectively control the photocorrosion phenomenon under UV light irradiation. Subsequently, the CdS QDs are loaded in the hydrogel network, and they are also loaded on the substrates such as cloth and paper by spray coating, dip coating or 3D printing, and the information is stored by digital light patterning. Different from the photochromic function of traditional anti-counterfeiting material, the CdS QDs shows dual-modal patterning characteristics in a wide wavelength range.

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 relates to the technical field of clamp cleaning, in particular to a cleaning device for a dip-coating clamp, which comprises a cleaning pool and a blowing system, the blowing system comprises a blowing pipe and a blowing nozzle, the blowing pipe is installed in the cleaning pool and comprises an outer pipe, an inner pipe and a communicating pipe, the outer pipe is annularly arranged on the peripheral side of the cleaning pool, the inner pipe is arranged in the middle of the inner side of the annular outer pipe, the outer pipe and the inner pipe are located on the same plane, and the communicating pipe is communicated with the outer pipe. The outer pipe and the inner pipe are communicated through the communicating pipe from the bottom side of the outer pipe and the bottom side of the inner pipe, a set distance is formed between the bottom of the communicating pipe and the plane of the outer pipe and the plane of the inner pipe, the blowing nozzles are arranged on the inner side of the outer pipe, and the blowing nozzles are arranged on the two sides of the inner pipe. According to the dip-coating clamp cleaning device, the comprehensive cleaning of the dip-coating clamp is ensured while the cleaning efficiency is improved, the labor intensity of workers is reduced, and the cleaning quality is improved.

The application discloses a kind of for tape bottom layer on ultraviolet light solidification dip coating ink, the ultraviolet light solidification dip coating ink is composed of the following weight parts of component: photocuring oligomer: 30-50 parts, functional active monomer: 20-50 parts, photo initiator: 3-6 parts pigment: 5-35 parts, dispersing agent: 1-3 parts, surface auxiliary agent: 1-2 parts;The synthesis steps of the photocuring oligomer are: after epoxy E51 is mixed with octandioic acid, under the condition of nitrogen protection, temperature is controlled 115 DEG C, reaction 3-4h, when acid value is less than 10mgKOH / g, reduce reaction temperature to 85-95 DEG C, add polymerization inhibitor, slowly drop catalyst and glutaric acid-3-ethyl-3-oxetane monomethyl ester, drop adding time is controlled at 30-40min, and reaction 7-8h, when acid value is less than 10mgKOH / g, control reaction temperature to 65-75 DEG C, add isocyanatoethyl acrylate and reaction 5-6h, obtain photocuring oligomer with oxetane and acrylate structure simultaneously.The application has the characteristics of low viscosity, good leveling performance, has very good adhesion on steel tape, and solidification speed is relatively fast.

Conveyor device (112) for a workpiece treatment system (100), in particular for a dip coating system (104) for dip coating vehicle bodies (106), comprising several conveying units (120) for picking up, transporting and delivering at least one workpiece (102) and a conveying section (118) along which the several conveying units (120) are bidirectionally movable, wherein each conveying unit (120) comprises at least one receiving device (128) for releasably securing the at least one workpiece (102) to the conveying unit (120), characterized in that each conveying unit (120) is movable along a conveying section (122) of the conveying section (118) of the conveying device (112), wherein the conveying section sections (122) of at least two conveying units (120) overlap.

The invention discloses a bi-component epoxy dip-coating paint for a strong-permeation boiling-resistant water-based textile paper tube and a preparation method of the bi-component epoxy dip-coating paint, and belongs to the technical field of water-based paints. The coating is composed of a component A and a component B, wherein the component A is a composite wetting penetrant composed of a self-emulsifying submicron waterborne epoxy dispersion, dioctyl sodium sulfosuccinate and an acetylene glycol surfactant; and the component B is a quick-drying water-soluble modified polyamine curing agent added with a reactive curing accelerator. Through the cooperation of the small-particle-size epoxy dispersoid and the composite wetting penetrant, the technical problems that a traditional water-based paint is poor in permeability to paper tube fibers and weak in adhesive force are solved; meanwhile, through the synergistic effect of the quick-drying curing agent and the accelerant, the drying time is shortened. The coating has the characteristics of low VOC (volatile organic compound) content, environmental protection, safety, high permeability to paper tube base materials, high drying speed and excellent adhesive force, and a compact paint film formed after curing has saturated water vapor cooking resistance.

The application relates to the technical field of coating preparation, in particular to a nano coating for a self-cleaning polycrystalline solar module and a preparation method, wherein the coating is composed of titanium dioxide nanotubes, fluorosilane modified silica aerogel, graphene quantum dots and polyaniline-polyazole copolymer; the titanium dioxide nanotubes are prepared through a hydrothermal reaction and calcination, the aerogel is synthesized through a sol-gel method, the quantum dots are obtained through pyrolysis reduction, and the conductive polymer is obtained through oxidation polymerization; the components are dispersed in a solvent in proportion, ultrasonic dispersion is carried out after the addition of a leveling agent, the solar module is coated through a dip coating method, and the coating is formed through drying and ultraviolet curing. The self-cleaning nano coating is composed of multiple components, forms a multistage rough structure, realizes superhydrophobicity, widens a light response range, improves photocatalytic efficiency, improves electrical performance and increases photoelectric conversion efficiency.

The application relates to a kind of insulating coating slurry and preparation method for dip coating on battery shell, and relates to the technical field of battery production, the insulating coating slurry, including the following weight parts of each raw material component: 20-50 parts of inorganic precursor;10-40 parts of aqueous organic resin;5-20 parts of inorganic filler;20-40 parts of solvent;1-5 parts of auxiliary agent;The above raw material components are prepared into insulating coating slurry, and then the insulating coating slurry is dip coated on the battery shell, the inorganic precursor in the insulating coating slurry makes the insulating coating have higher hardness, better heat resistance, insulation, chemical corrosion resistance and other characteristics;Aqueous organic resin provides good flexibility and high adhesion to the substrate, during the curing process, the inorganic network and the aqueous organic resin are penetrated and bonded at the molecular scale, forming a dense and uniform hybrid structure, and the inorganic filler uses inorganic ceramic particles as a reinforcing phase, further improving the insulation, hardness, corrosion resistance, heat resistance and other properties of the insulating coating.

The invention discloses a preparation method of a recoverable self-repairing anti-corrosion coating, which comprises the following steps: coating a concentrated solution or melt of polylipoic acid on a metal substrate by a dip-coating method, and cooling to obtain the recoverable self-repairing anti-corrosion coating, or adding metal ions into a concentrated solution or melt of polylipoic acid, reacting for 30 seconds to 20 minutes, coating a metal substrate with a reaction product, and cooling to obtain the recoverable self-repairing anti-corrosion coating, or adding metal ions into a concentrated solution or melt of polylipoic acid, reacting for 30 seconds to 20 minutes, adding the filler dispersion liquid, uniformly stirring, coating on the metal substrate, and evaporating the solvent to obtain the recoverable self-repairing anticorrosive coating. And the barrier property of the damaged coating can be completely recovered in a corrosion environment within only 12 hours at the soonest, so that high-efficiency extraction and recovery of a self-repairing material and high-efficiency circulation of carbon resources are realized.

The present application relates to a kind of for the separation of acetone and isoprene gas in human exhaled gas Composite membrane and its preparation method, polydimethylsiloxane (PDMS) modified polymer-based hollow fiber composite membrane is prepared by dip coating method.The above-mentioned modification, while covering the macropore of base film surface, improve the adsorption capacity of functional layer to acetone gas, so as to improve the separation effect of composite membrane to isoprene / acetone.The present application has the characteristics of simple operation, gas separation effect is remarkable, gas molecule is measured quickly, accurately, efficiently etc., provides a new way of thinking for the selective separation of organic components in human exhaled gas.

Method of manufacturing a steel strip comprising the subsequent steps of hot rolling the strip into a hot rolled strip, cold rolling the hot rolled strip, and hot dip coating the cold rolled strip with a Zn-based coating by leading the strip through a bath comprising molten zinc, and wiping the strip after the coating using an air knife having a knife slot from which a wiping gas is ejected, and cold rolling the steel strip in a multi-stand cold rolling mill to a final cold rolled thickness of 0.40 mm to 1.00 mm, wherein the cold rolled and coated steel sheet comprises a steel substrate provided with a hot dip metal coating.