1212results about "Priming paints" patented technology

The invention discloses a super-wear-resistant super-hydrophobic coating in the technical field of coatings, the super-wear-resistant super-hydrophobic coating comprises a primer and a finishing coat, the primer comprises solvent-free aliphatic polyether polyol resin, micro-powder particles, di-tetratoluene diisocynate, fumed silica nanoparticles and a primer magnetic attraction material; the finishing paint comprises hydrophobic nanoparticles, a diluent, a finishing paint magnetic attraction material and a hydrophobic treatment agent, the primer magnetic attraction material is ferrite powder, and the finishing paint magnetic attraction material is nickel powder. The preparation method comprises the following steps: 1, preparing the primer; secondly, primer is sprayed; step 3, roughening the primer; 4, finish paint is manufactured; step 5, spraying finish paint; and step 6, detecting the performance of the coating. The preparation method is scientific and reasonable, the uniformity and stability of the coating in the preparation and coating process are ensured by optimizing the composition of the coating material, improving the preparation process and introducing a magnetic suction device, and therefore the wear resistance, hydrophobicity and adhesive force of the coating are improved.

The invention discloses a water-based multi-layer degradable self-polishing ship antifouling coating system and a preparation method thereof, and belongs to the field of marine anticorrosion and antifouling materials. The system is composed of a zinc-rich primer, a modified epoxy intermediate paint and a functionalized finish paint. The finish paint takes polyhydroxyalkanoate as a matrix, and integrates a self-stratification modifier capable of forming a silicon-rich top layer during curing and a latent dual-curing system capable of realizing normal-temperature curing through a synergistic effect. According to the present invention, the mixing mechanism of dynamic self-polishing and static fouling release is adopted, and the innovative curing technology is combined, such that the long working life, the excellent mechanical property and the long-acting antifouling ability are achieved. The drawing adhesive force of the system is not lower than 7.9 MPa, and the environment-friendly requirements that the content of volatile organic compounds is smaller than or equal to 50 g / L, and the content of free diisocyanate monomers is smaller than or equal to 0.1 wt% are met.

The invention relates to a ceramic coating for a gravure etching pot and a coating method of the ceramic coating, and belongs to the technical field of ceramic coatings. The ceramic coating comprises the primer and the finish paint, and the nano silicon dioxide sol, the inorganic pigment and the modified silicon dioxide filler in the primer jointly form a firm primer layer, so that the adhesive force of the coating and a base material is enhanced, and meanwhile, the wear resistance of the coating is improved; the reticular molecular structure of polysiloxane is stable at high temperature, so that the overall temperature resistance of the coating is improved; by adding the hollow glass beads, the density and hardness of the coating can be adjusted, and meanwhile, the heat insulation performance of the coating can be improved; the viscosity of the coating can be optimized by adjusting the contents of formic acid and deionized water, so that the coating is easier to construct and coat; and the polydimethylsiloxane is added into the finish paint, so that the non-stickiness of the coating is remarkably improved, and the surface is smoother and is easy to clean.

The invention relates to a two-component composition as well as a preparation method and application thereof, and belongs to the technical field of woodware seal primers. The double-component composition provided by the invention comprises a component A and a component B, the component A comprises epoxy resin (1a) containing an aromatic ring structure and more than two epoxy groups and silane (1b) containing one epoxy group; in the component A, the weight of the silane (1b) accounts for 18-60 wt% of the total weight of the epoxy resin (1a) and the silane (1b); the component B comprises silane (1c) containing one amino group and substituted phenol (1d) with a specific structure; and in the component B, the weight of the substituted phenol (1d) accounts for 0.3-10 wt% of the total weight of the silane (1c) and the substituted phenol (1d). The double-component composition disclosed by the invention can realize dual curing, is high in crosslinking density, has the advantages of excellent surface effect, sanding property, flexibility, sealing property and wood warming effect, does not contain a solvent or only has low solvent content, and is particularly suitable for woodware seal primer.

The invention discloses a water-based paper barrier coating and a method for improving the barrier property of a packaging material. The packaging material includes a substrate having a coating to provide a packaging material having tailored water vapor permeability, oxygen permeability or permeability, grease resistance properties, and light properties.

Hexavalent chromium-free slurry formulations which are suitable in the production of inorganic overlay coating systems are described. The formulations provide superior hot corrosion and high-temperature oxidation protection for superalloy substrates. A basecoat slurry and topcoat slurry are provided. The basecoat slurry includes an aluminum phosphate based aqueous solution having a molar ratio of Al:P higher than about 1:3 with the incorporation of pigments of either metallic particles, or metal oxide particles, or both in combination. The topcoat slurry includes an aluminum phosphate based aqueous solution having a molar ratio of Al:P higher than about 1:3. An inorganic overlay coating formed on substrate made from the slurry formulation of present invention for hot corrosion protection on superalloy substrate against hot corrosion. Furthermore, a multilayer coating comprises a metallic bond coat and an inorganic overlay coating formed on superalloy substrate to further enhance high-temperature oxidation and hot corrosion protection.

The invention provides a primer composition, a primer as well as a preparation method and application of the primer. The primer composition comprises a component A, a component B and a component C in a mass ratio of (5-10): 1: 1, the component A comprises maleic anhydride modified chlorinated polypropylene, gaseous silicon, carbon black and a first organic solvent; the component B comprises an isocyanate prepolymer and a second organic solvent; the component C comprises epoxy resin, a silane coupling agent and a third organic solvent. The primer can effectively shield visible light, meets the reliability requirement of an automobile terminal, can be directly coated on the surface of automobile glass, and can meet the requirements of customers on light shielding and subsequent reliability after being dried and subjected to injection molding; the adhesive can be applied to bonding of different thermoplastic materials and glass, has a good bonding effect, and does not generate a degumming phenomenon under a strong demolding condition, so that the adhesive has the effect of quickly improving the bonding strength.

The invention discloses a composition for PVD (Physical Vapor Deposition) rubbing as well as a preparation method and application thereof. Raw materials of the composition for PVD rubbing comprise the following components in parts by weight: 10-20 parts of a solvent type acrylate oligomer; 10 to 20 parts of bifunctional polyester acrylate resin; 10 to 20 parts of trifunctional polyester acrylate resin; 1 to 5 parts of aliphatic polycarbonate type polyurethane acrylate; 1 to 5 parts of trimethylolpropane triacrylate; and 1-3 parts of a photoinitiator. When the composition for PVD rubbing is applied to a PVD rubbing primer, the composition has the effects of clear rubbing texture and stable performance.

The invention discloses a two-component photoinduced energy storage diffuse reflection nano coating as well as a preparation method and application thereof, and belongs to the technical field of building materials. Comprising prime paint and surface paint, the prime paint comprises 45-55 parts of paint emulsion, 30-40 parts of titanium dioxide, 5-10 parts of precipitated barium sulphate powder, 5-10 parts of pearl powder, fumed silica, an anti-settling agent, a light stabilizer, a dispersing agent and a coalescing agent; the surface layer coating is prepared from 55 to 65 parts of coating emulsion, 20 to 30 parts of alkaline earth aluminate, 10 to 15 parts of hollow glass beads, 5 to 10 parts of pearl powder, an anti-settling agent, a light stabilizer, a dispersing agent and a coalescing agent; the coating emulsion comprises acrylic resin and epoxy acrylate; the coating disclosed by the invention has excellent photoinduced energy storage performance and a good diffuse reflection effect, and can meet illumination requirements in environments such as underground parking lots, underground commercial plazas, traffic tunnels, civil air defense projects or military underground facilities.

The invention provides a polymer primer and a preparation method thereof, and belongs to the technical field of high polymer materials. The polymer primer comprises a polymer, a monomer, a functional auxiliary agent and the like, the adhesive force, the wear resistance and the water resistance of the primer are improved through multiple crosslinking modes of photo-initiation and moisture curing, and the polymer primer has wide application space and market value.

Fluorinated coupling agents and polymerizable compositions including such fluorinated coupling agents and at least one free-radically polymerizable monomer, oligomer, or mixture thereof. Multilayer films including a substrate and at least a first layer overlaying a surface of the substrate also are described, in which the at least first layer includes a (co)polymer obtained by polymerizing the foregoing polymerizable compositions. Processes for making a multilayer film using the polymerizable composition also are taught. Articles including the multilayer film also are disclosed, in which the article preferably is selected from a photovoltaic device, a display device, a solid-state lighting device, a sensor, a medical or biological diagnostic device, an electrochromic device, light control device, or a combination thereof.

The invention discloses an epoxy metal primer as well as a preparation method and application thereof, the epoxy metal primer is applied to a rust removal and rust prevention coating and coating system, the epoxy metal primer has remarkable salt fog resistance, adhesive force and weather resistance, a zinc phosphate and aluminum triphosphate composite rust prevention pigment, a modified epoxy emulsion and a high-density barium sulfate filler are adopted, the coating has excellent shielding performance, and the service life of the coating is prolonged. Corrosive media can be effectively blocked, and the salt spray resistance time is remarkably prolonged; meanwhile, the modified polysiloxane defoaming agent, the wetting leveling agent, the optimized curing agent and the optimized flash-rust inhibitor are adopted, so that the binding force between the coating and various metal substrates is enhanced, and the integrity of the coating is kept under the conditions of long-term mechanical shock, thermal cycle and damp heat. The coating is suitable for various construction conditions, simple and convenient to operate, compact and flat in coating film and capable of being widely applied to the fields of bridges, ships, petrochemical equipment and the like, the service life of a metal structure is remarkably prolonged, and maintenance and replacement cost is reduced.

The present application relates to a LiDAR-visible coating system comprising at least one converter layer and at least one NIR transmitting layer at least partially coating the at least one converter layer, wherein the converter layer at least partially coated by the NIR transmitting layer has an L* value ranging from 0 to 80 according to the CIELAB L*a*b* system. In many embodiments, at least one converter layer is an NIR reflective layer. The coating system described herein may be detectable by a LiDAR sensor at various wavelengths, including 905 nm and 1550 nm. A method of preparing the coating system and an article with the coating system are also disclosed.

The invention relates to a colored radiation refrigeration coating and a colored cooling coating, the colored radiation refrigeration coating comprises a white prime coating and a colored surface coating which are matched for use, the sunlight reflectivity of a white bottom layer formed by the white prime coating at the wave band of 0.3-2.5 microns is greater than or equal to 95%, and the sunlight reflectivity of the colored surface coating at the wave band of 0.3-2.5 microns is greater than or equal to 95%. The atmospheric window emissivity at the wave band of 8-13 [mu] m is greater than or equal to 95%; the colored surface coating comprises a first filler, yttrium gallium garnet and first resin, the yttrium gallium garnet is doped with chromium, and the mass fraction of the chromium in the yttrium gallium garnet is 5%-15%. A color cooling coating formed by the color radiation refrigeration coating is bright in color, the sunlight reflectivity at the wave band of 0.3-2.5 microns is larger than or equal to 82%, the atmospheric window emissivity at the wave band of 8-13 microns is larger than or equal to 95%, and the color radiation refrigeration coating has an excellent cooling effect.

The invention relates to a coating method of a ceramic coating for a relief etching pot, and belongs to the technical field of ceramic coatings. The adhesive force of the coating is remarkably improved through the fine sand blasting treatment, nitrogen purging and other pretreatment steps, uniform drying of primer and finish paint is ensured through application of the laser drying method, and the problem that the coating is not uniform possibly caused by a traditional drying method is solved; etching treatment and polishing not only improve the attractiveness of the coating, but also enhance the wear resistance and corrosion resistance of the coating, and baking curing treatment further improves the hardness and chemical resistance of the coating.

The present invention provides a surface treatment liquid that can form an organic film sufficiently excellent in adhesive properties between metal and resin and is also excellent in chemical resistance properties, the surface treatment liquid being excellent in storage stability. The present invention relates to a metal surface treatment liquid for forming an organic film on a metal surface, wherein the surface treatment liquid contains a silane coupling agent and an acid and has a pH of 1.9 or less.

The invention discloses a PVC blue protective film and a preparation method thereof. The PVC blue protective film comprises a release layer, a blue PVC base film, a priming coat and a pressure-sensitive adhesive layer which are sequentially arranged from top to bottom. The release layer and the priming coat are respectively designed on the two surfaces of the blue PVC base film, a direct coating and direct collecting process mode is adopted, an additional release film does not need to be used, the preparation process is simplified, the production cost is reduced, meanwhile, a plasticizer in the blue PVC base film can be sealed, and the plasticizer is effectively prevented from being separated out; a direct coating process instead of a transfer coating process is adopted, and the base coating is used for clamping, so that the binding strength of the pressure-sensitive adhesive layer and the blue PVC base film is better; the pressure-sensitive adhesive layer adopts a slit coating technology, so that the coating thickness is more uniform, rolling is not easy to occur, and the stability of product quality is improved; the resin in the bottom coating can react with the isocyanate curing agent in the pressure-sensitive adhesive layer, and the resin in the pressure-sensitive adhesive layer can also react with the isocyanate curing agent in the bottom coating, so that the bonding force between the layers is enhanced.

The invention relates to the technical field of anti-corrosion coatings, in particular to a composite anti-corrosion coating for a medium heavy-duty anti-corrosion environment and a preparation method of the composite anti-corrosion coating. According to the technical scheme, the composite anti-corrosion coating for the medium heavy anti-corrosion environment comprises the following components in percentage by mass: a bottom coating component, a middle transition layer component and a surface coating component, and the mass ratio of the bottom coating component to the middle transition layer component to the surface coating component is 33: 17: 50; the durability is improved through multi-dimensional material innovation, a fluorocarbon resin modified waterborne epoxy system is adopted for the bottom coating, and a nano graphene directional arrangement technology is combined, so that a labyrinth effect is formed, and a corrosion medium is blocked; a solvent-free polyurea and microcapsule self-repairing system is introduced into the surface coating, so that automatic repairing after damage is realized; the middle transition layer enhances the interlayer barrier function through the oriented graphene composite material, and the three layers cooperate to construct a compact protection network, so that the medium permeation path is obviously delayed, and the full-life-cycle maintenance cost is greatly reduced.

Provided are a curable maleimide resin composition that can avoid the usage of a problematic solvent, such as NMP among aprotic polar solvents, having a high boiling point and toxicity, can be cured at a relatively low temperature, and provide a cured product having a superior adhesiveness to semiconductor materials. The curable maleimide resin composition contains:(A) a maleimide compound that has a number average molecular weight of 5,000 to 50,000;(B) a reaction initiator; and(C) a silane coupling agent that has one or more epoxy groups in one molecule; and optionally(D) a diaminotriazine ring-containing imidazole.

The disclosure refers to a waterborne coating composition. Disclosed is a one-component (1K) waterborne basecoat composition, comprising a resin component and a crosslinker, wherein the resin component and the crosslinker are crosslinkable by reaction at 80℃ within 22 min. Also disclosed in a coating system comprising the 1K waterborne basecoat composition. Further disclosed is a substrate coated with the 1K waterborne basecoat composition or the coating system.

The invention provides a notebook keyboard composite skin-touch paint film and a preparation process thereof. The notebook keyboard composite skin-touch paint film comprises a primer layer, a middle paint layer and a UV skin-touch finish paint layer which are sequentially arranged on the surface of a notebook keyboard base material, the primer layer is prepared from the following components in percentage by weight: 20 to 30 percent of hydroxy acrylic resin, 15 to 25 percent of modified epoxy acrylate, 5 to 10 percent of vinyl modified fumed silica, 5 to 10 percent of fluorosilicone resin, 5 to 10 percent of epoxy phosphate, 5 to 10 percent of filler, 15 to 25 percent of solvent A, 2 to 4 percent of curing agent, 0.1 to 0.3 percent of flatting agent and 0.1 to 0.3 percent of defoaming agent; the middle paint layer is prepared from the following components: 40 to 50 percent of acrylic polyurethane resin, 12 to 16 percent of filler, 1 to 3 percent of cerium oxide, 7 to 12 percent of laser carving toner, 1 to 3 percent of dispersing agent, 20 to 30 percent of solvent B, 0.1 to 0.3 percent of plasticizer, 0.1 to 0.3 percent of flatting agent and 0.1 to 0.3 percent of defoaming agent; the UV skin-touch finish paint layer is prepared from the following components: 52 to 55 percent of polyurethane acrylate resin, 15 to 25 percent of reactive diluent, 2 to 4 percent of photoinitiator, 10 to 15 percent of skin-touch additive, 5 to 10 percent of filler, 0.1 to 0.3 percent of flatting agent and 0.1 to 0.3 percent of antioxidant. The paint film provided by the invention has the advantages of favorable wear resistance, favorable adhesive force and favorable hand feeling.

The invention provides an aqueous urethane resin composition including: (A) a urethane resin made from (a1) a polyol compound and (a2) a polyisocyanate compound as essential raw materials; and (B) an aqueous medium, in which the polyol compound (a1) includes a polyester polyol made from diethylene glycol and / or ethylene glycol as a raw material, and the urethane resin (A) has an aromatic ring concentration of 1.4 mol / kg or more. This aqueous urethane resin composition has excellent barrier resistance, adhesion, and blocking resistance.

Environmentally friendly primer compositions for rubber to substrate bonding. The primers can include film forming polymers, benzoxazine (BZX) resins, and fillers, in either a solvent-based formulation or an aqueous-based formulation. Some primer compositions can further include a co-resin such as bismaleimide (BMI). Methods of bonding components, including rubber to a substrate, and subsequent bonded assemblies are also provided.

The invention provides a powder coating with good high-temperature resistance, a high-temperature-resistant coating and a preparation method, and belongs to the field of high-temperature-resistant coatings. The powder coating is composed of a prime coating, a middle coating and a surface coating, the prime paint is prepared from the following chemical components: 20 to 40 parts of organic silicon-epoxy-polyarylether sulfone ternary hybrid resin, 5 to 15 parts of boron nitride, 2 to 6 parts of KH-550 modified silicon carbide and 3 to 8 parts of Al2O3 coated SiO2 core-shell particles; the middle-layer coating is prepared from the following chemical components: 10 to 20 parts of polyimide-siloxane hyperbranched resin, 3 to 6 parts of Zr-Ti-V composite oxide and 1 to 4 parts of nano kaolinite / talcum powder compound; the surface layer coating is prepared from the following chemical components: 10 to 20 parts of organic silicon-epoxy-polyarylether sulfone ternary hybrid resin, 5 to 15 parts of silicon dioxide aerogel and 1 to 3 parts of ammonium polyphosphate / zinc borate compound. Therefore, the high-temperature resistance, the corrosion resistance and the mechanical property of the high-temperature-resistant coating are improved at the same time.

A process for the application of an intumescent coating system to a substrate comprising (I) applying to a substrate an intumescent coating composition comprising i. an epoxy-based binder; ii. a curing agent; iii. an expansion agent; iv. an acid generating compound; and v. at least 5 wt. % water; and allowing said composition to cure to form an intumescent coating layer; (II) applying to a cured or partially cured intumescent coating layer, a top coat composition comprising an acrylic-based binder, a polyurethane binder or a silicone-based binder and at least 10 wt. % water so as to form a top coat layer.

The invention relates to the technical field of concrete protective materials, and particularly discloses a cement concrete component surface protective paint, a preparation method thereof, a coating and a construction method of the coating. The primer taking organosilane as a core component, the intermediate paint taking water-borne epoxy resin as a core component and the finish paint taking a water-borne paint base material as a core component are adopted. By means of a three-layer structure composed of the primer, the intermediate paint and the finish paint, the protective paint can protect concrete from inside to outside in an all-around mode, the durability of the concrete is remarkably improved, and therefore lasting protection on the concrete is fully achieved, the defect that concrete corrosion is easily intensified by inorganic ions such as chloride ions is overcome, and the service life of the concrete is prolonged. And the corrosion of the concrete in a coast engineering environment is reduced.

Compositions and methods involving latent base-catalyzed Michael addition reaction are described herein. The compositions described herein are derived from a Michael addition reaction and provide coatings, including primer coatings and direct-to-metal coatings that have optimal adhesion, corrosion resistance, and cure response when applied to a substrate and cured.

The invention belongs to the field of microwave heating, and discloses a wind power blade microwave deicing efficient wave-absorbing composite coating which comprises a polyurethane primer filled with carbon nanotubes and a polyurethane finish filled with silicon carbide. The polyurethane primer is filled with the carbon nanotubes, so that the wave-absorbing property of polyurethane is improved, the surface temperature rise rate of the coating is increased, and the corrosion resistance and the mechanical property of the coating are enhanced; the silicon carbide is filled in the polyurethane finishing coat, so that the wave-absorbing property of the coating is improved, a heat-conducting and insulating network is constructed, and the heat-conducting property, the wear-resisting property and the surface resistance of the coating are enhanced. By combining the excellent wave-absorbing performance of the carbon nanotubes and the wave-absorbing, insulating, heat-conducting and wear-resisting characteristics of the silicon carbide, the composite coating has efficient wave-absorbing and temperature-rising performance, good lightning protection performance and excellent corrosion resistance and wear resistance. The characteristics of the carbon nanotubes and the silicon carbide are fully exerted, the preparation process is easy and convenient to operate, and the requirement for microwave deicing of the surface of the wind power blade in winter can be met.

The present invention provides a kind of wear-resistant multidimensional micro-nano structure super-hydrophobic coating and preparation method thereof, relate to super-hydrophobic coating technical field.The wear-resistant multidimensional micro-nano structure super-hydrophobic coating includes: the primer applied to substrate surface and the topcoat attached to the primer;Its preparation method includes: Step1. primer raw material mixed and dispersed uniformly, and sprayed on substrate surface;Step2. topcoat raw material mixed and dispersed uniformly, after primer coating surface is dry, the topcoat raw material mixed and dispersed uniformly is sprayed on primer, room temperature curing;Wherein, the primer raw material includes vinyl resin, silicone resin, inorganic filler, solvent, curing agent and auxiliary agent;The topcoat raw material includes super-hydrophobically modified nano-silicon, silicone resin and solvent;And the super-hydrophobically modified nano-silicon at least includes two kinds of particle size particles;The super-hydrophobic coating process of the present invention is simple, convenient construction and good surface wear resistance, strong durability.

An object of the present invention is to provide a method for forming a multilayer coating film, the method being capable of providing a multilayer coating film with excellent finished appearance and luster. The aqueous base paint (X) comprises: a hydroxy-containing acrylic resin particle (X1) having a core-shell structure wherein the shell has an acid value of 90 to 100 mg KOH / g; and a hydroxy-containing acrylic resin particle (X2) having a core-shell structure wherein the shell has an acid value of 110 to 120 mg KOH / g; and an associative thickener (X3), wherein the proportions of the hydroxy-containing acrylic resin particle (X1) and the hydroxy-containing acrylic resin particle (X2) contained in the aqueous base paint (X) are such that the ratio by mass of the hydroxy-containing acrylic resin particle (X1) to the hydroxy-containing acrylic resin particle (X2) (X1 / X2) is in the range of 70 / 30 to 30 / 70. The effect pigment dispersion (Y) contains a flake-aluminum pigment (Y1), a cellulose-based rheology control agent (Y2), a surface-adjusting agent (Y3), and water, and has a solids content within the range of 2 to 6 mass %. The effect coating film formed using the effect pigment dispersion (Y) has a cured film thickness of 0.5 to 1.5 μm.