15 results about "Roller Coating Method" patented technology

A method for controlling the thickness uniformity of ink on a high-precision impedance circuit board relates to the field of circuit board processing, comprising the following steps: pre-solder mask treatment: cleaning the circuit board and roughening the copper surface; applying liquid photosensitive ink to the circuit board by extrusion roller coating with an extrusion force of 2.5±0.2kg / cm 2 The process involves pre-curing and drying the ink at a speed of 1.2±0.2m / min. Pre-baking involves pre-curing and drying the ink. Pressure leveling involves applying pressure to the circuit board to level the ink surface at a pressure of 2±0.2kg / cm² and a temperature of 82±3°C. Exposure involves light-curing the ink to protect areas requiring solder mask coverage. Development removes unexposed ink, exposing electrical connections requiring surface treatment. Post-baking involves further high-temperature curing of the ink to form a solder mask layer. This method utilizes an extrusion roller coating method to minimize ink variations and applies vertically to improve uniformity, ensuring the required circuit board performance and demonstrating strong practicality.

The invention relates to a mechanical roller coating method of a roller coating type fluorocarbon metal finish paint for a thermal insulation integrated board, which is characterized in that the fluorocarbon metal paint is stable in state and full in paint film by selecting proper fluorocarbon resin, adding proper auxiliaries such as a thickening agent and the like, optimizing the proportion and improving the arrangement and leveling property of aluminum powder. A paint film obtained after coating has the advantages of being high in decoration performance, low in VOC emission, low in manufacturing cost, high in production efficiency, good in leveling property, fast to dry, good in aluminum powder orientation, good in adhesive force, high in hardness and the like. The coating method disclosed by the invention has the advantages of simple process, high efficiency, low cost and no pollution, and the surface effect can reach the spraying opening effect of the imitation aluminum plate.

The invention discloses a functional ecological degradable fabric production process, and relates to the technical field of functional fabrics, and the functional ecological degradable fabric production process comprises the following steps: mixing a water-based biodegradable polyurethane emulsion, a laccase-dopamine hybrid modified nano cellulose filler, a leveling agent and deionized water, stirring at a high speed, and standing for defoaming to obtain a coating emulsion; and uniformly applying the coating emulsion to polyester fiber base cloth by adopting an anilox roller coating mode, and sequentially carrying out pre-drying and baking cross-linking curing on the coated fabric, so as to obtain the functional ecological degradable fabric. The invention provides the production process of the fabric with high mechanical strength, long-acting and lasting antibacterial property and intelligent controllable degradation characteristics, the produced fabric is stable in structure and lasting in function, self-degradation can be started according to preset conditions after the fabric is discarded, and meanwhile, the core function of the fabric can still be kept stable in an extreme use environment.

The invention relates to a preparation method of a hardness-adjustable microstructure antireflection film for a solar cell cover plate, and the method comprises the steps: S1, preparing a coating sol emulsion: mixing a precursor of a film forming material with an alcohol solvent, adjusting the pH value of a reaction system to be acidic or alkaline, and carrying out a first-stage stirring reaction; adjusting the reaction system to be slightly neutral or slightly acidic, adding a thermally-decomposable pore-forming emulsion and an emulsifier, carrying out a second-stage stirring reaction, and aging to obtain a coating sol emulsion; s2, coating and heat treatment: coating the surface of a glass substrate with the coating sol emulsion by adopting a roller coating method, and then carrying out heat treatment on the coated glass substrate; the heat treatment comprises preheating treatment for preliminarily curing the thin film and a tempering process for tempering the glass substrate and completely curing the thin film at the same time; in the tempering process, the pore-forming emulsion is pyrolyzed, and a porous microstructure is formed in the cured film. The hardness of the thin film can be effectively regulated and controlled, and the high anti-reflection effect is achieved through the microstructure.

According to the low-VOC UV large board paint and the roller coating method based on the UV large board paint, through specific UV large board paint components and the specific roller coating method, on one hand, the curing efficiency can be effectively improved while deep curing can be achieved, so that the volatilization amount of VOC is reduced (the volatilization amount of VOC is as low as 0.05 mg / m < 3 >), and on the other hand, the low-VOC UV large board paint is obtained; on the other hand, the hardness and adhesive force of the paint film can be effectively improved, so that long-term durability and yellowing resistance are achieved, the adhesive force of the obtained paint film is grade 0, the hardness is larger than or equal to 2H, and the color difference of the paint film obtained through a yellowing resistance test is as low as 0.43.

This invention discloses a coating device for wind turbine blades, comprising a coating box with two partitions fixed inside. Paint tanks are located at the top and bottom of the coating box, and are fixed to the partitions via multiple connecting blocks. Multiple coating mechanisms are arranged on the side of each paint tank near the partitions, penetrating through the partitions. This invention utilizes the shape of the blade to design a roller coating method. The blade is inserted into the device and then pulled out, completing the blade coating operation. This not only avoids paint waste but also effectively inhibits paint diffusion and protects the health of surrounding workers, as the coating process is completed within the device.

The utility model belongs to the technical field of strip steel oiling equipment, and particularly relates to a strip steel oiling device for oiling by a roller coating method. A strip steel oiling device for oiling through a roller coating method comprises a main machine cabinet, a partition plate is arranged in the main machine cabinet, and the interior of the main machine cabinet is divided into an upper machine cabinet body and a lower machine cabinet body through the partition plate; a communication port is formed in one side of the partition plate, and the upper cabinet and the lower cabinet are connected through the communication port; one side of the main machine cabinet is a material guiding opening, and the other side of the main machine cabinet is provided with a machine cabinet door. A first guide roller assembly, a first oiling roller assembly and a second oiling roller assembly are sequentially arranged in the lower machine cabinet. A second guide roller assembly, a third oiling roller assembly, a fourth oiling roller assembly and a third guide roller assembly are sequentially arranged in the upper machine cabinet.

The utility model discloses a kind of roll coating method coating scraper damping devices, belong to photovoltaic glass coating processing technical field, the damping device is cooperatively arranged with flexible scraper, the upper end of damping plate is hung on coating machine beam and the upper end of damping plate can slide on coating machine beam, the lower end of damping plate naturally droops and is naturally combined with the outer surface of flexible scraper, the side of the lower end of damping plate away from flexible scraper is provided with counterweight. The upper end of damping plate can slide left and right on coating machine beam to change position, by the change of counterweight mass, the effect of flexible scraper on coating roll can be changed locally at any part, and then the vibration problem generated by flexible scraper from time to time is eliminated.

The application relates to the technical field of photovoltaic glass, and discloses a coated photovoltaic glass and a preparation method thereof, wherein acrylic resin, modified nano titanium dioxide, fluorine-containing flame retardant, modified cellulose and shellac are added into a mixing device, mixed, and a coating solution is obtained; the prepared coating solution is coated on the surface of one side of a glass substrate by using a roll coating method, then low-temperature solidification is carried out to form a composite protective layer, and after the coating is completed, cleaning treatment is carried out, so that the coated photovoltaic glass is obtained. The coated photovoltaic glass has good flame retardation, impact resistance and weather resistance.

The invention belongs to the technical field of diaphragms, and particularly relates to a diaphragm based on a fast ion conductor as well as a preparation method and application. The diaphragm comprises a base membrane, a coating and a polymer glue layer, and the coating layer comprises Mg and Lu doped lithium aluminum titanium phosphate LATP. The method comprises the following steps: carrying out ion doping modification on LATP to prepare a modified LATP material, further preparing the modified LATP material into diaphragm coating slurry, and coating the diaphragm coating slurry on a diaphragm by adopting a gravure roller coating method. The coating diaphragm not only can effectively and rapidly conduct lithium ions, but also can effectively inhibit lithium dendrites, and when the coating diaphragm is applied to a battery, the electrical performance and the safety performance of a battery cell can be improved at the same time.

The invention discloses a roll-in coating method, and belongs to the technical field of roll-in. The roll-in coating method comprises the following steps: S1, transferring a glass lining plate to a bearing platform with vacuum adsorption holes; s2, starting vacuumizing equipment to enable the vacuum adsorption holes to adsorb and position the glass lining plate; s3, the warping degree of the glass lining plate is obtained, wherein the warping degree is the distance between the lower surface of the glass lining plate and the bearing platform; s4, whether the warping degree exceeds a preset over-limit value or not is judged, if yes, an alarm is given, and the information of the glass lining plate is recorded; if not, entering the next step; s5, dispensing the glass cover plate on the glass lining plate and attaching a release film; and S6, the downward moving unit automatically adjusts the downward pressing amount of the two sides of the rolling shaft according to the warping degree and conducts rolling coating. According to the invention, the product film thickness yield is improved, and the coating efficiency is improved.

Method for producing a metal substrate catalyst unit in which, in a first process step (i) a foil of aluminium, manganese, iron, cobalt or zinc or aluminium, manganese, iron, cobalt or zinc powder is applied to at least one surface of a planar substrate consisting of nickel, copper or cobalt, or the substrate is formed from an iron alloy coated on at least one outer surface with nickel, copper or cobalt, by means of roll cladding to form an aluminium, manganese, iron, cobalt or zinc cover layer, in a second procedural step ii) perforations are formed through the substrate coated in this way, in a third procedural step iii) a heat treatment is carried out at a minimum temperature that is at least 70% of the melting temperature of the foil material on the Kelvin scale and a maximum temperature that is below the lowest melting temperature of the coated substrate, and thereafter in a fourth procedural step iv) a leaching of aluminium, manganese, iron, cobalt or zinc with a basic or acidic aqueous liquid to form a Raney structure on the at least one surface formed with aluminium, manganese, iron, cobalt or zinc is carried out.

The present application relates to a kind of graphene-based waterborne radiation-cured coating, coating method, metal-based bipolar plate and proton exchange membrane fuel cell, coating ingredients include graphene derivative, waterborne radiation-cured resin, graphene derivative is obtained by graphene oxidation modification, graphene derivative is stably dispersed in waterborne radiation-cured resin, the conductivity of graphene derivative is greater than 200S / cm.The coating is applied to the surface of metal-based bipolar plate by any one method of bar coating method, blade coating method, roll coating method and spraying method, and a graphene-based waterborne radiation-cured coating is formed by stage curing.The present application uses graphene as the main component, uses more environmentally friendly waterborne radiation-cured resin as the organic binder component in coating, brings corrosion protection effect to metal-based bipolar plate while ensuring conductivity, does not add heavy metal ions in coating, and does not use volatile organic solvents, safe and environmentally friendly.

The superfine fiber synthetic leather comprises a leather body layer, modified polyurethane layers and superfine fiber layers, the modified polyurethane layers are arranged on the two sides of the leather body layer, and the superfine fiber layers are arranged on the two sides of the modified polyurethane layers. A preparation process of superfine fiber synthetic leather comprises the following steps: S1, drying, buffing and milling coarse leather to obtain a leather body; s2, leather body coating is conducted in a dipping roller coating mode, the surface of leather is evenly coated with the modified polyurethane emulsion, the wet film thickness ranges from 0.1 mm to 0.3 mm, pre-drying is conducted for 1 min to 2 min at the temperature of 80 DEG C, then the superfine fiber solution is smeared, the wet film thickness ranges from 0.3 mm to 0.6 mm, drying is conducted for 2 min to 3 min at the temperature of 80 DEG C, embossing is conducted through a continuous embossing machine, rolling is conducted, and the superfine fiber synthetic leather is obtained. According to the superfine fiber synthetic leather and the preparation process thereof, the superfine fiber synthetic leather has good strength and wear resistance, and the texture of the leather is not damaged.

This invention discloses a roller coating method and roller coating equipment, belonging to the field of roller coating technology. The roller coating method includes rotating a scraper roller against the surface of a coating roller and / or a pressing roller that has already undergone coating operations to remove residual old paint; reusing the coating roller and / or pressing roller after removing the old paint for coating operations and supplying new paint to their surface; and transferring the new paint to the workpiece surface through the coating roller and / or pressing roller. The roller coating equipment includes a conveyor, a coating device, and a circumferential scraper device. This invention, through a cyclical method of first removing residual old paint, then supplying new paint, and then transferring the coating, avoids coating amount fluctuations caused by the mixing of old and new paint, ensures uniform paint film thickness, prevents transverse texture defects on the workpiece surface, and simultaneously reduces roller wear and extends equipment service life.