932results about "Priming paints" patented technology

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 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.

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 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.

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 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 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.

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 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.

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.

This application discloses a method for producing an anticorrosion coating having excellent adhesion to rusted, low-treatment surfaces, which relates to the field of paint chemical industry. The anticorrosion coating comprises Component A and Component B, where Component A comprises an epoxy resin, double-coated hollow glass microbeads, a thixotropic agent, a wetting and dispersing agent, a pigment, barium sulfate, talc, Solvent A, an antifoaming agent, a first silane coupling agent, and an aluminum powder paste, and Component B comprises a curing agent, an accelerator, and Solvent B.

Provided is a coated article comprising a resinous base, a primer layer disposed on the resinous base, a hardcoat layer disposed on the primer layer, and an optically modified layer formed on a surface-layer portion of the hardcoat layer, wherein the primer layer is a cured coating film formed from a primer composition comprising (A) a vinyl-based (co)polymer and (B) inorganic particles having a given median diameter, the vinyl-based (co)polymer (A) including (A-1) a vinyl-based (co)polymer having an alkoxysilyl group and the primer layer having a thickness of 1-20 µm, and the hardcoat layer is a cured coating film formed from a silicone composition comprising (a) a silicone resin, (b) colloidal silica, and (c) an ultraviolet absorber, the hardcoat layer having a thickness of 1-15 µm.

The invention discloses an anti-sticking and anti-corrosion coating and a preparation method thereof, and belongs to the technical field of preparation of special protective paints.The preparation method of the anti-sticking and anti-corrosion coating comprises the following steps that (1) the surface of a base material is pretreated; (2) spraying black water-based primer and drying; (3) spraying black water-based intermediate paint and drying; (4) spraying semitransparent finish paint and baking; the black water-based intermediate paint is prepared from the following components in parts by weight: 100 parts of high-temperature organic silicon emulsion, 6 to 20 parts of organic silicon modified acrylate emulsion, 4 to 16 parts of water-based epoxy resin emulsion, 2 to 13 parts of acrylate polyol, 0.1 to 1 part of initiator, 9 to 20 parts of modified filler, 1 to 12 parts of mineral filler and 0.1 to 10 parts of adjusting aid, the modified filler is a hydrophobic and hydrophilic modified carbon nanotube; the anti-sticking and anti-corrosion coating disclosed by the invention has good anti-permeability and anti-adhesion performance and excellent adhesion stability.

A method for detecting a component including a concealed pattern includes: detecting infrared electromagnetic radiation reflected or emitted by a component including a first pattern, the component including: a substrate; the first pattern disposed over at least a portion of the substrate; an optional primer layer disposed between at least a portion of the substrate and at least a portion of the first pattern; and a first visibly opaque layer including an infrared transparent pigment, the first visibly opaque layer disposed over at least a portion of the first pattern; and comparing the reflectivity and / or absorbance of infrared electromagnetic radiation by the first pattern at one wavelength to the reflectivity and / or absorbance by the primer layer and / or the substrate at the same wavelength.

The invention discloses a treatment method for improving binding force of metal and lacquer, which comprises the following steps: S1, coating primer on the surface of the metal, and curing to obtain a primer layer; the primer is prepared from the following components in parts by weight: 40 to 50 parts of Chinese lacquer, 10 to 15 parts of tung oil and 5 to 8 parts of lithopone; and S2, the primer layer is coated with lacquer, and a finish paint layer is obtained after curing. The invention further discloses the titanium metal / lacquer composite material obtained through the treatment method. According to the treatment method for improving the binding force of the metal and the lacquer, the stability after the metal and the lacquer are combined can be improved, and meanwhile the physical performance of the titanium metal and the attractiveness and protection performance of the lacquer are reserved.

The invention provides a high-temperature-resistant primer for aviation. The high-temperature-resistant primer is prepared from the following raw materials in parts by mass: 100 parts of modified organic silicon resin, 9-12 parts of an anti-rust pigment, 29-35 parts of pigment filler, 3-5 parts of a flame retardant, 0.5-1 part of a dispersing agent, 2-4 parts of an anti-settling agent, 0.1-0.3 part of a defoaming agent, 15-18 parts of a mixed solvent and 0-7 parts of a curing agent, the high-temperature-resistant primer for aviation is air-drying paint and can be cured at normal temperature, a curing agent can also be selectively added into an epoxy modified organic silicon resin system, and the high-temperature-resistant primer can resist the high temperature of 300 DEG C for a long time, has excellent adhesive force and excellent temperature impact resistance, salt mist resistance and oil product resistance, and can be used as a high-temperature-resistant primer for aviation. After the coating is applied to the aircraft skin, excellent adhesion with a base material can be ensured, cracking caused by stress change is avoided, and the coating has good compatibility with functional coatings such as a conductive coating, a wave-absorbing coating and an infrared coating.

The invention discloses a high-temperature-resistant coating for an unmanned aerial vehicle and the unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicles, the high-temperature-resistant coating comprises a bottom layer, a middle layer and a top layer, the bottom layer comprises a modified polyimide resin and nanometer aluminum oxide compound, and the middle layer comprises hollow ceramic microbeads, boron nitride nanosheets and a phosphate binder; and the top layer comprises a silicon carbide composite ceramic sol layer. According to the invention, the multi-stage thermal barrier layer is constructed to prevent body parts, components and a flight control system of the unmanned aerial vehicle from losing efficacy in a high-temperature environment, so that the unmanned aerial vehicle is ensured to work stably and reliably in the high-temperature environment; a protection structure is arranged, so that the unmanned aerial vehicle body is protected through a parachute when the unmanned aerial vehicle is powered off or other sudden faults occur, and the unmanned aerial vehicle body is prevented from being damaged by high-altitude direct falling; and a release structure is arranged to release transported articles such as fire extinguishing agents, so that the overall weight of the unmanned aerial vehicle is reduced, and the damage to the unmanned aerial vehicle when the unmanned aerial vehicle falls due to overweight is effectively reduced.

The invention relates to the technical field of coatings, in particular to a double-layer super-hydrophobic passive daytime radiation cooling coating and application thereof. The super-hydrophobic passive daytime radiation cooling coating is developed through a two-step spraying process. And the bottom layer is formed by combining a high refractive index TiO / Al2O3 composite material and modified polydimethylsiloxane. The top layer employs high band gap SiO to mitigate ultraviolet absorption and combines unmodified PDMS to ensure high thermal emissivity and low surface energy. By accurately controlling the particle size distribution and concentration gradient between the two layers of structures, the optimized SPDRC coating shows excellent optical performance, the solar reflectivity is 93.2%, and the mid-infrared thermal emissivity is 95.4%. Under the direct irradiation of the sun, the temperature reduction of 10 DEG C is obviously lower than that of the environment, and the radiation cooling power of 125 Wm <-2 > is realized. In addition, the coating has a water contact angle of 155 degrees, has strong super-hydrophobicity, can ensure excellent self-cleaning performance and long-term durability, and is suitable for actual outdoor application of building cooling.

The invention provides a preparation method of an oil-resistant and wear-resistant coating for the surface of an antenna tube, and belongs to the technical field of composite coatings. The preparation method comprises the steps of primer spraying, polyurea coating spraying and aftertreatment. In the step of preparing the primer, epoxy resin HY01A and epoxy resin HY01B are mixed to obtain the primer; a preparation method of the epoxy resin HY01A comprises the following steps: adding bisphenol A epoxy resin and propylene oxide butyl ether into a reaction kettle, stirring at 40-50 DEG C to obtain homogeneous liquid, and carrying out vacuum defoaming to obtain the epoxy resin HY01A; the preparation method of the epoxy resin HY01B comprises the following steps: stirring cashew nut shell oil modified amine in a mixed solvent, after the cashew nut shell oil modified amine is completely dissolved, adding a kH550 silane coupling agent, and stirring for 28-34 minutes to obtain the epoxy resin HY01B. The coating prepared by adopting the preparation method disclosed by the invention has the advantages of strong binding force with an antenna tube substrate, excellent elastic property, good oil resistance and wear resistance and strong applicability in a complex environment.

The invention discloses a radiation refrigeration thermal insulation coating, which comprises a primer and a finish, the primer comprises deionized water, a pH regulator, a defoamer, hydroxypropyl methyl cellulose, a wetting agent, a dispersant, a waterborne polyurethane emulsion, aerogel, hollow glass beads, sepiolite and a film forming aid; the finish paint is prepared from deionized water, a PH regulator, a defoaming agent, hydroxypropyl methyl cellulose, a dispersing agent, silicon oxide, zirconium oxide, rutile type titanium dioxide, infrared reflection filler, a coalescing agent, a defoaming agent, far infrared ceramic powder, potassium silicate, silica sol, titanium sol, silane modified acrylic emulsion and conductive mica powder. The coating has the advantages of excellent sunlight reflectivity and infrared emissivity, low heat conductivity coefficient, excellent high temperature resistance, excellent flame retardance and excellent stain resistance.