31results about How to "Simple coating method" patented technology

The invention discloses a coating method for a high-speed rail concrete surface strong waterproof thin coating type polyurethane paint. The polyurethane paint is composed of sealing paint, priming paint and surface paint, and each paint comprises resin a resin component and a curing component, the resin component is based on polyether polyol, a chain extender, a catalyst, and a film-forming agent, and the curing component consists of isocyanate and a solvent. During preparation, the resin components and curing components of the tree paints are prepared respectively. During construction, firstly the resin components and curing components of the tree paints are mixed evenly for coating, the sealing paint is arranged on a concrete surface to form a sealing paint layer, the priming paint is disposed on the upper surface of the sealing paint layer and forms a priming paint layer, and the surface paint is arranged on the upper surface of the priming paint layer and forms a surface paint layer. The waterproof paint provided by the invention has strong adhesion, can form a strong waterproof layer on the concrete surfaces of high-speed rail projects, and the overall coating thickness is reduced, thus being convenient and safe to use.

The invention belongs to a method for preparing an aluminum plate base for printing, and relates to a method for preparing an aluminum plate base for inkjet computer to plate and a hydrophilic coating for coating the surface of the aluminum plate base. The method for preparing the aluminum plate base comprises the steps of deoiling the aluminum plate base, performing electrolysis, dedusting, performing anodic oxidation and the like, and coating the hydrophilic coating on the treated aluminum plate base. The electrolysis and anodic oxidation processes in the prior art are improved, so that a nanometer and micrometer structure can be constructed on the surface after the aluminum plate base is subjected to the anodic oxidation; the diffusion behavior of ink droplets is controlled, and the hydrophilic coating is coated on the surface of the aluminum plate base, so that the aluminum plate base has certain roughness, ink absorption property and high wear resistance simultaneously; printing ink is sprayed on the aluminum plate base coated with the hydrophilic coating by an inkjet computer to plate technology so as to form a text area; and by adjusting the preparation process of the platebase and coating the hydrophilic coating, contrast between the text area and a non-text area during printing is increased, and text resolution is improved.

The invention discloses a display module, an electronic device and a manufacturing method of the display module. The display module includes: a substrate; , the projection of the display layer is located in the projection of the substrate; the protective layer, the protective layer is arranged on the side of the display layer away from the substrate, and at least part of the protective layer extends beyond the peripheral wall of the substrate, in a plane parallel to the substrate, the display layer is The projection is located in the projection of the protective layer; the sealing layer, the sealing layer includes a first sealing part and a second sealing part connected, the first sealing part is provided on the part of the protective layer beyond the outer peripheral wall of the substrate, and the second sealing part is provided on between the substrate and the protective layer and on the periphery of the display layer. According to the display module of the present invention, the protective layer can protect the substrate to a certain extent, so that the substrate is not easily damaged due to bumping.

The invention discloses a coating method of a high-dispersion strong-adhesion light-permeable fine particle preset layer for laser melt injection. The coating method is characterized by comprising the steps of preparing fine particle glue-containing slurry from fine powder, preheating a to-be-modified workpiece, coating the workpiece with the fine particle glue-containing slurry, drying and curing a preset layer, and the like. The preset layer prepared by virtue of the coating method has light translucency and can well adapt to a laser melt injection particle-reinforced surface modification technique; and meanwhile, fine particles are diffused and distributed in the preset layer in a high dispersion manner and have uniform thickness, and the preset layer has well adhesion with the surface of a to-be-modified material. The coating method is not limited by the size, shape and weight of the to-be-modified workpiece, can be applied to the coating of fine particle preset layers with complex shapes and fine structures and has very strong engineering applicability.

The invention discloses an acrylate solid repositionable adhesive and a preparation and coating method thereof. The acrylate solid repositionable adhesive comprises the following raw materials in parts by weight: 60-95 parts of acrylate monomer, 0-95 parts 6 parts of unsaturated acid, 0-6 parts of functional monomer, 1-20 parts of special monomer, 0.5-3 part of initiator, 0.1-1 part of crosslinking agent. The preparation method of the acrylate solid repositionable adhesive comprises the following steps: (1) mixing; (2) first-stage reaction; (3) second-stage reaction; (4) solidification. A method for coating an acrylate solid repositionable adhesive, comprising the following steps: (1) heating the acrylate solid repositionable adhesive to a fluid state after being heated to 120-350° C. through a hot melt box; (2) ) coating the fluid state acrylate solid repositionable adhesive obtained in step (1) on the substrate, and curing at room temperature.

The invention relates to the technical field of coating, and in particular to a solid waste based super-hydrophobic coating and a coating method thereof. The solid waste based super-hydrophobic coating has the advantages that ethyl alcohol is adopted as a diluting dispersant, utilization of volatile organic solvents is avoided, and the waterproof coating is enabled to be environment-friendly; by utilizing solid waste granules, cost can be reduced, and waste can be turned into wealth; manufacturing steps are simple and easy to control, large-scale industrial production is benefited, and the coating method is simple and easy to generalize.

The invention discloses a coating method of a carbon fiber prepreg product. The coating method comprises the following steps: (1) selecting a carbon fiber prepreg product, and carrying out dust removal cleaning treatment; (2) carrying out sealing treatment on the carbon fiber prepreg product; (3) preheating the surface of a sealed carbon fiber prepreg product; (4) carrying out one time of a plurality of times of powder coating on the surface of the preheated carbon fiber prepreg product to form a powder coating layer; (5) carrying out curing treatment on the powder coating layer on the surfaceof the carbon fiber prepreg product; (6) carrying out decoration treatment on the cured carbon fiber prepreg product; and (7) carrying out quality inspection packaging on the decorated carbon fiber prepreg product to obtain a finished product. Correspondingly, the invention also provides the carbon fiber prepreg product prepared by the method. The method is simple, the process is controllable, nosolvent participates in the reaction, VOCs are not released, and no waste is generated.

The present invention provides a metal coating composition, which maintains the same brightness as the metal coating film obtained by the conventional 3C3B coating method, and has no surface unevenness of the coating film, and can be used in a simplified coating method. There is no color clouding and diffuse reflection of the painted film, and the light fastness of the painted film is excellent. Specifically, a metal coating composition is provided, which includes: (1) a scaly bright pigment, (2) a resin with a weight average molecular weight of 40,000 to 60,000 and a glass transition temperature (Tg) of -25 to 40°C, and (3) Solvent.

The invention belongs to the technical field of a fuel cell, and discloses a conductive anti-corrosive coating process for an aluminium flow field plate. The conductive anti-corrosive coating process comprises the steps of firstly, carrying out preprocessing of polishing, precision polishing, ultrasonic cleaning, alkali cleaning, washing and the like on the aluminium flow field plate; then placing the preprocessed aluminium flow field plate into aqueous solution of graphene oxide, which contains tetrahydroxy aluminate ions, to impregnate, and after impregnation, cleaning with deionized water and carrying out normal temperature drying; and then impregnating in sodium hypophosphite solution to carry out processing, and after processing, cleaning with the deionized water and carrying out normal temperature drying. According to the invention, one compact graphene coating is coated on the surface of the aluminium flow field plate by adopting a chemical impregnation method which is simple to operate, low in cost, green and environmental-friendly. Conductivity and corrosion resistance testing results show that compared to an uncoated aluminium flow field plate, the coated aluminium flow field plate is obviously improved in corrosion resistance and is not reduced in conductivity, and thus, the requirements of the aluminium flow field plate for high corrosion resistance, high conductivity and low contact resistance in a fuel cell environment can be met.

The invention discloses a coating method of an organic polymer material, and the method comprises the following steps:(1) selecting the organic polymer material and carrying out electric conduction treatment on the organic polymer material; (2) carrying out preheating treatment on the organic polymer material subjected to the electric conduction treatment; (3) coating the preheated organic polymermaterial with a powder coating for one or more times to form a powder coating layer; (4) carrying out curing treatment on the powder coating layer on the surface of the organic polymer material; and(5) carrying out quality inspection and packaging on the cured organic polymer material to obtain a finished product. Correspondingly, the invention also provides the organic polymer material preparedby the coating. The method is simple, controllable in process, high in efficiency, environmentally friendly, capable of saving energy and rich and diverse in decoration effect.

The invention discloses an anti-corrosion composite coating for rail fastener clips and bolt spikes and a preparation method and a coating method thereof. The composite coating includes a bottom layer and a surface layer, the bottom layer is modified silicone rubber, and the surface layer is modified fluorosilicon rubber. permanent acrylic resin. The preparation method is as follows: (1) Configure the primer: heat and mix the base rubber, plasticizer and filler, add modified resin and antirust agent to stir, then lower the temperature, add crosslinking agent and catalyst in sequence, and obtain modified silicone rubber ; (2) Configure the surface coating: fluorine-silicon modified acrylic resin is that the acrylic resin is first modified by silicon and then modified by fluorine. The coating method is rust coating. The coating adopts two layers of materials and methods. The bottom layer achieves anti-corrosion performance and improves the adhesion to the surface of the rail; the surface layer realizes the hydrophobic self-cleaning and anti-ultraviolet properties of the coating surface; Layer migration performance, can be firmly attached to the track surface, good anti-corrosion effect; simple coating process, reducing coating workload.