563 results about "Coating system" patented technology

The invention relates to the technical field of special functional coating materials for lost foam casting, and particularly discloses a special coating for a large machine tool casting lost foam as well as application and a use method of the special coating. According to the invention, the full-temperature-range functional composite material and the composite aggregate are used for synergistic reinforcement, and mullite is used for high-temperature reinforcement; the temperature-sensitive polymer modified graphite can realize intelligent temperature response of graphite performance; spodumene is used as a thermal expansion adaptive fluxing agent, so that medium-temperature healing and thermal expansion adjustment of a coating system are facilitated; the composite reinforced fibers are reinforced and toughened aiming at large thermal stress of thick and large parts; as an ultralow-temperature glazing agent, the boron-containing glazing agent can form an initial liquid phase at about 450 DEG C to seal the surface of the coating and purify a ventilation channel; the rare earth oxide serving as a high-temperature phase stabilizer can be dissolved in mullite crystal lattices, so that the high-temperature phase stability is improved, and ceramic nodes are refined. Through raw material design, on the premise of ensuring moderate air permeability, the ultrahigh strength and crack resistance of a coating system at extremely high temperature are improved.

This application provides a battery electrode detection and control system that can improve the yield of electrode sheets. The electrode detection and control system is applied to an electrode coating system, which includes an unwinding device, a first-side coating device, a first-side drying device, and a winding device arranged in sequence. The electrode detection and control system includes a first detection device disposed between the unwinding device and the first-side coating device. The first detection device is used to detect the size of the area to be coated on the first surface of the electrode substrate output by the unwinding device, wherein the first surface is perpendicular to the thickness direction of the electrode substrate.

A coating apparatus 10 for applying a film-forming liquid to a peripheral edge of a board while moving a board and a coating unit 20 relative to each other, wherein the coating unit 20 includes a coating mechanism 21 and an extension mechanism 30, and wherein the coating mechanism 21 has a coating part 22 for applying the film-forming liquid to at least a peripheral edge face of the board, and wherein the extension mechanism 30 has a coating part 22 for applying the film-forming liquid to at least a peripheral edge face of the board. The extension mechanism 30 has an extension part 31 that extends the film-forming liquid applied by the application part 22 to the peripheral edge face and the peripheral upper and lower faces of the board in the form of a thin film, and a force mechanism 34 that forces the extension part 31 toward the peripheral edge face and the peripheral upper and lower faces of the board, and the extension part 31 is configured to be removable without removing the force mechanism 34 from the extension mechanism 30.

The application discloses a coating system and a coating method. The coating system determines a target roll to be wound based on state parameters of each chuck in a winding device for clamping the roll; and controls the winding device to change the roll in order to wind the material by the target roll when it is determined that the current coating process parameters meet the roll changing condition. The state parameters of each chuck, the coating process parameters and the roll changing condition are used to automatically switch the winding device to wind the material by the target roll, thereby greatly improving the automation degree of roll changing.

The invention belongs to the technical field of polymer composite materials, and discloses a super-strong heat-shielding fabric with a micro-nano composite structure, and a preparation method and application of the super-strong heat-shielding fabric. The core of the heat-shielding fabric is to construct a multifunctional integrated coating system through the synergistic effect of a slurry formula with specific components and an optimized coating and curing process, and particularly relates to a super-strong heat-shielding fabric used for tents, parasol, outdoor awnings and other products. The invention relates to a fabric, in particular to a fabric with excellent shading, heat shielding, anti-aging and high bonding fastness properties by constructing a micro-nano composite coating structure containing a specific functional filler on a base cloth. On the premise of ensuring excellent bonding fastness and long-term weather resistance between the coating and the flexible base cloth, efficient blocking of the full spectrum (especially near-infrared band) of the sun is realized, so that the super-strong heat-shielding fabric with high heat shielding rate, high physical durability and good processability is provided.

The invention provides a water-borne epoxy resin composite coating and a preparation method thereof, and the water-borne epoxy resin composite coating comprises the following components in parts by mass: 70-90 parts of a water-borne epoxy emulsion component A; 10-30 parts of a curing agent component B; wherein the component A of the waterborne epoxy emulsion is prepared from the following raw materials in parts by mass: 50 to 70 parts of self-emulsifying epoxy resin, 5 to 10 parts of hydrophilic modifier, 15 to 25 parts of pigment filler, 2 to 5 parts of dispersion stabilizer, 1 to 3 parts of cosolvent and 5 to 10 parts of deionized water. Self-emulsifying modification of resin molecules is realized by adopting nonionic polyether grafted self-emulsifying epoxy resin and matching with a hydrophilic modifier with a specific hydroxyl value, an emulsifier does not need to be added, and the viscosity of a coating system is reduced from the molecular level, so that the solid content of the component A of the waterborne epoxy emulsion is more than or equal to 70%, the viscosity is less than 200mPa. S, and the technical bottlenecks of high solid content and low viscosity are broken through; and the requirement for single-time thick coating construction is met, the construction efficiency is greatly improved, and construction period prolonging and cost increasing caused by multiple times of construction are avoided.

The invention relates to the technical field of cylinder covers of vehicle engines, and provides a coating system and a coating for a cylinder cover metal mold. The coating formed on the inner surface of the cylinder cover metal mold based on the coating system has the advantages that the service life of the mold coating is prolonged, and casting defects can be reduced. The coating system comprises a first material liquid and a second material liquid; the first material liquid comprises a first coating and a first solvent for dilution, and the first coating comprises the following components in percentage by mass: 20-30% of silicon dioxide powder, 10-20% of aluminum oxide powder, 1-7% of magnesium oxide powder, 35-45% of a binder, 2-8% of titanium oxide powder and 5-25% of water; the second material liquid comprises a second coating and a second solvent for dilution; the second coating comprises the following components in percentage by mass: 20-30% of silicon dioxide powder, 10-20% of aluminum oxide powder, 1-7% of magnesium oxide powder, 35-45% of a binder, 2-8% of titanium oxide powder and 5-25% of water; the dilution multiple of the first coating is greater than that of the second coating.

The invention discloses a double-ceramic-layer thermal barrier coating of a differentiated columnar crystal structure and a preparation method, and belongs to the technical field of thermal barrier coating corrosion and protection. The invention innovatively discovers and utilizes the double influence of the columnar crystal size on the performance of the coating; the YSZ layer adopts a fine grain structure of 1-1.5 microns, so that the bonding strength and thermal shock resistance of the coating can be obviously improved; and the modified gadolinium zirconate layer adopts a 2-3 [mu] m coarse grain structure, so that the heat conductivity can be reduced, the permeation path of CMAS along a grain boundary can be effectively inhibited, and meanwhile, the modified gadolinium zirconate layer reacts with CMAS to form a compact barrier layer to prevent further permeation of CMAS. Through accurate regulation and control of electron beam physical vapor deposition (EB-PVD) process parameters, differential control of the sizes of the two layers of ceramic columnar crystals is realized, and under the synergistic effect of the two columnar crystal structures with different sizes, the thermal cycle life and CMAS corrosion resistance of the whole coating system in an ultra-high-temperature environment are remarkably prolonged and improved.

The present application relates to the technical field of special functional coating materials for lost foam casting, and specifically discloses a special coating for large machine tool castings, and application and use method thereof. The present application synergistically strengthens full-temperature-range functional composite materials and composite aggregates, and uses mullite for high-temperature strengthening. Temperature-sensitive polymer modified graphite can realize intelligent temperature response of graphite performance. Lithium feldspar as a thermal expansion adaptive fluxing agent is more conducive to the medium-temperature healing and thermal expansion adjustment of the coating system. Composite reinforcing fibers are used to enhance and toughen the thick and large workpiece with large thermal stress. Boron-containing glazing agent as an ultralow-temperature glazing agent can form an initial liquid phase at about 450 DEG C, seal the surface of the coating, and purify the air passage. Rare earth oxides as high-temperature phase stabilizers can be solid-solved in the mullite lattice, improve the high-temperature phase stability, and refine the ceramic nodes. Through raw material design, the coating system has improved ultrahigh strength and crack resistance at extreme high temperatures under the premise of ensuring moderate air permeability.

A coating system for a turbine engine component is disclosed. The coating system includes a substrate, an optional bond coat, a synthetic oxide layer and a top coat. The synthetic oxide layer is formed by atomic layer deposition and includes two or more oxides.

Coating system for a substrate (10). The substrate (10) comprises a first coating area (11) and a second coating area (13) adjacent to the first coating area (11). The coating system comprises a first gravure mechanism (100) and a second gravure mechanism (200). The first gravure mechanism (100) is used to apply a first functional layer (20) onto the first coating area (11); and the second gravure mechanism (200) can receive the substrate (10) with the first functional layer (20) and apply a second functional layer (30), of a different material than the first functional layer (20), onto the second coating area (13). This coating system improves coating continuity and efficiency and reduces the waste rate and substrate rejection rate.

The invention discloses an electrical wire coating system with a wide glue solution viscosity range and a coating method thereof, and relates to the technical field of microsystems. A glue injection system; a glue injection system and a glue injection control module; and the scribbling motion system comprises a scribbling motion control module, an injection head motion displacement mechanism and a component motion displacement mechanism. According to the invention, the working modes are flexibly switched through the positive and inverted switching mechanism, the device adapts to the range from low viscosity to high viscosity, the positive mode assists conveying and coating of high-viscosity glue liquid by using pressure, and the inverted mode avoids dripping and line broadening of the low-viscosity glue liquid due to gravity; the defect that low-viscosity glue solution is infiltrated and widened due to the influence of gravity in a traditional forward mode is effectively overcome, meanwhile, the forward and reverse dual-system switching scheme can meet the requirements of different application scenes, and the problems that a traditional dual-independent system is long in switching time, single in application environment, repeated in system positioning and the like are solved.

The purpose of the present invention is to provide a coating system capable of improving efficiency while reducing contamination and damage risks of a substrate in a series of processing steps in which an easily damaged substrate such as a glass substrate is taken out from a storage part, a coating liquid is applied on an end surface of the substrate and cured, and then the substrate is stored in the storage part. This coating system (10) comprises: a coating device (11) that applies a coating liquid on at least an end surface of a substrate (1); a curing device (40) that cures the coating liquid applied on the substrate (1); and a transfer device (60) having a transfer hand (61) for holding the substrate (1). The transfer device (60) is configured to: transfer the substrate (1) from a storage part (70) for the substrate (1) to the coating device (11) by means of the transfer hand (61); transfers, to the curing device (40), the substrate (1) on which the coating liquid is applied by the coating device (11); and transfer, to the storage part (70), the substrate (1) on which the coating liquid has been cured by the curing device (40).

The invention relates to the technical field of organic coating preparation and nano material dispersion, in particular to ultrasonic enhanced dispersion equipment for nano filler in an organic coating, which comprises a bracket, the support comprises a base, a first support base is installed on the base, a plurality of supporting rods are installed on the first support base, the same fixing sleeve plate is installed at the upper ends of the supporting rods, and a second support base is installed on the fixing sleeve plate. The same input piece is mounted on the fixed sleeve plate and the second bracket seat; a conveying part connected with the multiple supporting rods is arranged below the fixing sleeve plate, an ultrasonic vibration part capable of conducting ultrasonic vibration dispersion on liquid is installed on the conveying part, and a mechanical vibration part capable of conducting mechanical vibration dispersion on the liquid is installed on the conveying part. According to the invention, efficient deagglomeration and uniform dispersion of the nanofiller can be realized under a continuous working condition, heat dissipation, cooling, defoaming and flow stabilization are both considered, and the dispersion stability of an organic coating system and the consistency of discharging quality are remarkably improved.

The application discloses a preparation method and application method of a high-performance optical fiber coating modified by polymer grafted carbon nanotubes, and the preparation method comprises the following steps: pre-treating carbon nanotubes to obtain brominated carbon nanotubes; performing grafting treatment on the brominated carbon nanotubes through photocatalytic atom transfer radical polymerization to obtain polymer grafted functionalized carbon nanotubes; and mixing the polymer grafted functionalized carbon nanotubes with a prepolymer, an active diluent and a photoinitiator to obtain the required high-performance optical fiber coating. The carbon nanotubes are grafted with polyacrylate polymer chains on the surface, which can improve the dispersibility of the carbon nanotubes in the coating system, ensure the long-term stability and functional effectiveness of the carbon nanotubes in the coating, overcome the problems of poor compatibility and uneven dispersion of existing carbon-based composite coatings, improve the mechanical properties and thermal stability of the optical fiber coating, enhance the bonding strength between the coating and the optical fiber, and provide a new perspective for the preparation of high-performance optical fiber coatings.

This invention relates to a sputtering target (10), a coating system (30), and a coating method thereof. The sputtering target (10) includes a base (12) with a target plate (14) fixed to the base and made of a first sputtering material. The target plate has a surface (16) and a plurality of recesses (18) formed in the surface. A plurality of inserts (20) are arranged in the recesses (18). At least some of the inserts (20) are made of a second sputtering material, wherein the second sputtering material has a higher sputtering rate than the first sputtering material. The object of the invention is to obtain a particularly uniform coating. This is achieved by molding the inserts (20) made of the second sputtering material such that the lengths (D1, D2) of the inserts, measured in a direction parallel to the surface (14), increase in the depth direction (T) from the surface (14) to the base (12).

A double coating structure based on a multifunctional water-based low-temperature paint, and a coating system and the use thereof. The double coating structure comprises a first coating and a second coating, wherein the first coating comprises a mixture of a flaky metallic pigment and an inorganic oxide pigment; the second coating comprises a transparent organic color paste; and a first-coating paint composition used for the first coating and a second-coating paint composition used for the second coating are both mixtures containing an acrylic resin emulsion and a polyurethane dispersion. The double coating structure uses the technical solution of a pigment mixture and does not contain any curing agent such as an isocyanate; the obtained double coating structure has high radar wave transmission performance, high infrared reflection performance and high reflective insulation capacity, and is particularly suitable for black or silver paint systems; and since a water-based low-temperature paint is used, the double coating structure has the characteristics of significant low-temperature quick-drying film formation, a thin coating and a low VOC content, and can realize a coating process that has low energy consumption and is healthy and environmentally friendly.

The invention discloses a seed coating system and a coating method.The coating system comprises a feeding unit, a plurality of atomization units and a plurality of coating units, the feeding unit is used for storing seeds to be coated, the atomization units are used for spraying coating liquid to the seeds discharged to the atomization units by the feeding unit, the atomization units are communicated with the feeding unit, and the coating units are communicated with the atomization units. The feeding unit can supply materials to the multiple atomization units, the multiple coating units are connected with the multiple atomization units in a one-to-one correspondence mode, and the coating units are used for stirring seeds discharged by the atomization units and coating liquid to complete seed coating. The seed coating system provided by the invention can realize continuous coating operation of seeds and improve the seed coating yield.

The invention discloses a preparation process of graphene oxide liquid phase coated nano silicon. The preparation process comprises the following steps: S1, preparing modified nano silicon; s2, preparing a graphene oxide dispersion liquid; step S3: construction of a pre-coating system; s4, carrying out dynamic liquid phase coating reaction; step S5, post-treatment and purification; nano silicon is modified before coating, amino active groups are introduced to the surface of the nano silicon through gamma-aminopropyltriethoxysilane and can interact with carboxyl and hydroxyl on the surface of graphene oxide, the interfacial compatibility of the nano silicon and the graphene oxide is remarkably improved, and the binding force between a coating layer and the nano silicon is enhanced; the falling of the coating layer in the charging and discharging process is effectively inhibited; according to the preparation method, the graphene oxide is prepared by adopting an improved Hummers method, the dispersing agent is added, a stirring-ultrasonic dispersion process is combined, and meanwhile, the temperature in the ultrasonic process is controlled, so that the dispersity of the graphene oxide is effectively improved, agglomeration of the graphene oxide is avoided, and a foundation is laid for subsequent uniform coating.

This application relates to the field of hydrosilylation, and in particular to a highly efficient catalyst for hydrosilylation reactions and its preparation method. This application provides a method for preparing a microcapsule-form catalyst, which first modifies methyl-terminated hydroxyl silicone oil with silazane, and then forms a microcapsule coating system with paraffin, thereby improving the release performance of the microcapsule coating system, so that the catalyst has low reactivity in the early stage of release, thereby improving the uniformity of the reaction process inside the silicone rubber, and thus improving the transparency and overall strength of the silicone rubber.

Disclosed is a two-component (2K) coating composition comprising a first component and a second component, wherein the first component comprises a hydroxyl acrylic resin and an organic solvent, and the second component comprises an isocyanate curing agent, wherein the hydroxyl acrylic resin has a number average molecular weight of 10,000 to 30,000, the hydroxyl acrylic resin comprises an acrylic resin with a low hydroxyl value and an acrylic resin with a medium hydroxyl value, the acrylic resin with a low hydroxyl value has a hydroxyl value of less than 30 mg KOH / g, the acrylic resin with a medium hydroxyl value has a hydroxyl value of 30 to 70 mg KOH / g. Also disclosed is a coated substrate comprising a substrate and the 2K coating composition coated onto at least a part of the substrate. Further disclosed is a coating system comprising a first coating composition and a second coating composition, wherein the first coating composition and / or the second coating composition are the 2K coating composition. The present invention further provides a unit and a plurality of methods for treating the unit.

An exhaust valve includes a valve head and a valve stem extending from the valve head. The valve head includes a combustion face and a seat face. The combustion face and the seat face are on opposing sides of the valve head. The seat face is configured to matingly engage an opposing surface. The valve head is formed of a base material. A valve thermal management composition coats at least a portion of the seat face and comprises increased thermal conductivity relative to the base material of the valve head.

A dry powder coating system is provided. The system includes sensors configured to detect attributes for a coating comprised of powder particles. The powder particles are deposited onto a web by a powder deposition unit. The system includes a treatment unit disposed downstream of the powder deposition unit and configured to apply a treatment to the coating, and an intervention unit. A processing device is configured to execute instractions stored in a memory to perform operations including, in response to a deviation between the attributes for the coating detected by the one or more sensors and a set of acceptable attributes, activating the intervention unit to at least one of remove a section of the deposited coating from the web causing the deviation, adjust operation of the treatment unit, or adjust operation of the web.

The solvated metal particle-coating system includes a metal additive and a polar outer-sphere electron transferring solvent. The metal additive is solvated in the polar outer-sphere electron transferring solvent. The polar outer-sphere electron transferring solvent may include liquid ammonia, methylamine, and / or hexamethylphosphoramide. The metal additive may include an alkali metal and / or an alkaline earth metal. The solvated metal additive within the polar outer-sphere electron transferring solvent may be used to coat a metal particle and / or a metalloid particle as a layer. As the polar outer-sphere electron transferring solvent evaporates, the solvated metal additive is coupled to the metal particle and / or the metalloid particle.

The invention provides a multifunctional composite coating system based on a PA / PPO alloy substrate and a preparation method of the multifunctional composite coating system. The multifunctional composite coating system comprises the PA / PPO alloy substrate, a conductive transition layer and a functional coating, the conductive transition layer is coated on the surface of the PA / PPO alloy substrate, and the functional coating is coated on the surface of the conductive transition layer; wherein the conductive transition layer is a formula layer containing a conductive filling piece, the functional coating comprises a self-repairing finishing coat and an antibacterial and antistatic dual-functional coating, the surface of the conductive transition layer is coated with the self-repairing finishing coat, and the surface of the self-repairing finishing coat is coated with the antibacterial and antistatic dual-functional coating. The problems that an existing PA / PPO alloy coating is weak in interface bonding, single in function, insufficient in self-repairing performance, poor in conductivity and antistatic synergism and the like are solved, and the PA / PPO alloy coating is suitable for the high-end fields of electronic equipment, medical instruments, automobile parts and the like and has important practical value.

A method of coating a cell culture substrate in situ in a bioreactor is provided that includes providing a bioreactor vessel having a cell culture chamber with an inlet for flowing fluid into the cell culture chamber and an outlet for flowing fluid out of the cell culture chamber, and a cell substrate disposed in the cell culture chamber for culturing cells. The method includes providing a coating solution for coating the cell substrate; inputting the coating solution into the cell culture chamber such that the coating solution contacts the cell substrate; and removing an excess of the coating solution from the cell culture chamber. After removing the coating solution, a coated cell substrate remains in the cell culture chamber.

The invention provides a coating system and a coating device, and relates to the technical field of vacuum coating. The coating device comprises a coating substrate carrier, a substrate driving mechanism, a film material container, at least one evaporation baffle plate and a baffle plate driving mechanism; the coating substrate carrier comprises a substrate bearing surface; the substrate bearing surface bears a to-be-coated substrate, and the to-be-coated surface of the to-be-coated substrate faces the film material container; the substrate driving mechanism drives the coating substrate carrier to rotate around a central axis; an opening of the film material container faces the to-be-coated surface of the to-be-coated substrate; the film material container comprises at least two containing cavities used for bearing film materials. An evaporation point location is arranged in the film material container; orthographic projections of the evaporation point positions on a plane perpendicular to the central axis cover the central axis; the film material at the evaporation point position can be evaporated under the action of a heating source; the evaporation baffle plate is positioned between the evaporation point position and the coating substrate carrier; and the baffle plate driving mechanism drives the evaporation baffle plate to move. According to the invention, the uniformity of film deposition is improved.

Crosslinkable coating systems, methods of coating articles with the crosslinkable coating systems, and articles coated with the same are provided. The coating system includes a urea component and an aldehyde comprising two or more carbon atoms. The coating system may include a solvent. The coating system may be free or substantially free of fonnaldehyde and isocyanate. The coating system may include a reaction product of a urea component and an aldehyde comprising two or more carbon atoms. The coating system may be in powder form.

This invention discloses a SiC with an ultra-high temperature ceramic gradient coating. f / SiC composite materials, their preparation methods, and applications. A double-layer glow discharge plasma surface metallurgical method is used to prepare SiC composite materials. f A (Hf,Si,Ta)C gradient composite coating was prepared on the surface of the SiC composite material. This coating was able to resist SiC in an oxygen atmosphere at 1773 K. f Effective protection of SiC composite materials. The specific advantages of this invention are: (1) Ion bombardment of the substrate significantly improves the point defects and conductivity of the composite substrate; (2) The (Hf,Si,Ta)C coating has a continuous gradient structure, forming a good metallurgical bond between the coating and the substrate, with high bonding strength; (3) The similar thermal expansion coefficients of the (Hf,Si,Ta)C coating and the substrate can improve the thermal mismatch between the coating and the substrate, reducing the tendency for coating peeling and cracking during service; (4) The (Hf,Si,Ta)C coating system has a high service temperature and self-healing ability. The coating prepared by this invention has excellent high-temperature protection performance, improving the protection of SiC. f The high-temperature service life of SiC composite materials has broad application prospects in the aerospace field.

The present invention relates to a dry electrode coating system and method, the system comprising: a dry mixing unit for producing an active material by mixing precursor materials; a complex mixing unit for producing an electrode by mixing the active material with a conductive material and a binder; a dry coating unit for thickly applying the produced electrode to a current collector; and a winder for winding the coated current collector.