20results about How to "Simple coating process" patented technology

The invention discloses a heat-proof and heat-insulating coating, a coating and a preparation method thereof, and relates to the field of heat-proof and heat-insulating coatings. The self-made functional modified light heat-insulating filler, the ceramic forming filler and the photosensitive modified matrix film forming matter are mixed and cured to obtain the heat-proof and heat-insulating coating. A coating layer obtained from the prepared coating is based on the functional modified light heat insulation filler, large-size coating forming and uniform forming can be achieved on the basis that the excellent three-dimensional structure and performance are kept, high-strength combination with a base material is achieved, and the temperature resistance and heat insulation performance of the material are improved.

The invention discloses an optical lens coating device and a coating method thereof, and relates to the technical field of optical lens coating. The device comprises a supporting column, the top of the supporting column is fixedly connected with a coating device shell, and the outer side of the coating device shell is rotationally connected with a device door; an auxiliary assembly used for simplifying the coating process and enabling a coating material to be more evenly distributed on the surface of the lens is arranged in the coating device shell, and an anti-falling assembly used for preventing the optical lens from falling in the overturning process and improving the production flexibility is arranged outside the auxiliary assembly. Through cooperative use of a first cylinder, a sliding column, a groove and a triangular block in the auxiliary assembly, the placement frame is turned over in the optical lens coating process, the triangular block is located in the groove, the triangular block and the groove are combined to enable the groove to form a triangular sliding way with a convex groove on the outer surface of a fixed cylinder, the triangular sliding way enables the sliding column to turn over inside, and therefore the optical lens coating effect is improved. And the overturning lens can ensure that the two surfaces can uniformly receive the coating material.

The present application mentions a soft magnetic composite material and a preparation method thereof, wherein the preparation method of the soft magnetic composite material is to coat nano-scale particles on the surface of soft magnetic powder by ultrasonic vibration, and then undergo ultrasonication, annealing and other steps, while controlling the reaction conditions, to obtain an iron-based soft magnetic composite material. The coating layer formed by ultrasonic vibration treatment can improve the high-frequency magnetic properties of the soft magnetic powder, thereby effectively reducing the high-frequency loss of the soft magnetic composite material.

The invention discloses a novel air knife heating system for film forming and curing through a slit coating technology, and relates to the technical field of perovskite batteries, the novel air knife heating system comprises an air knife body, the upper end of the air knife body is connected with a plurality of air inlets, the inner side of the air knife body is connected with an air uniformizing cavity, the surface of the air uniformizing cavity is provided with a plurality of air volume adjusting air channel openings, and one side of the air uniformizing cavity is provided with a plurality of air inlet channels; the output ends of the air inlets are matched with the position of the air inlet channel, one side of the output end of the air uniformizing cavity is connected with a first air knife plate, one side of the air knife body is connected with a second air knife plate, the first air knife plate is connected and matched with the second air knife plate, and an air outlet end is formed between the air outlet ends of the first air knife plate and the second air knife plate; the air knife is provided with four air inlets, air inlet and air uniformizing can be better and stably achieved, 14 air channel openings capable of adjusting the air volume are formed in the air knife, the air outlet uniformity of all positions of the long-size air knife in the using process is more stable, in addition, the air uniformizing cavity is formed in the air knife, and the perovskite coating technology is further optimized.

The present invention belongs to the technical field of lithium-ion battery materials, and discloses a coated and modified high-nickel positive electrode material and a preparation method thereof, and a lithium-ion battery. The coated and modified high-nickel positive electrode material comprises a positive electrode material matrix and a coating layer located on at least part of the surface of the positive electrode material matrix; the chemical formula of the positive electrode material matrix is ​​LiNi x Co y Mn z M p O 2 The material of the coating layer is Ca 2.4 Sr 0.6 Co 4 O 9 The coating layer material and the cathode material matrix are mixed and sintered to obtain the coated modified high nickel cathode material. The coating process is simple, and the coated modified high nickel cathode material improves the high temperature cycle performance of the battery.

The present application mentions a high-frequency, low iron loss, soft magnetic composite material and its preparation method, wherein the preparation method of the high-frequency, low iron loss, soft magnetic composite material is to generate a multi-layer coating structure on the surface of soft magnetic particles. Specifically, the multi-layer coating structure is formed step by step on the surface of magnetic powder particles using a high resistivity oxide prepared by a chemical in-situ generation method and other coating components. The coating layer formed by the chemical in-situ method can effectively reduce the power loss of the soft magnetic composite material and further improve the high-frequency magnetic properties of the soft magnetic powder.

The utility model discloses a prime coat device for corner window glass processing, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a driving box through a support, and the inside of the driving box is rotatably connected with a threaded rod. The movable frame capable of moving back and forth is arranged at the top of the bottom plate, and the first motor is matched to drive the threaded rod to rotate, so that the front-back accurate movement of the supporting plate and the clamping assembly is realized. And by adjusting the position of the movable frame, it can be ensured that the spraying head and the glass edge keep the optimal spraying distance, and the problem that the coating thickness is not uniform due to inconsistent operation methods during traditional manual coating is effectively solved. Meanwhile, a first electric cylinder and a sliding column structure are arranged on the right side of the movable frame, the mounting frame is allowed to be finely adjusted in the left-right direction, the adaptability of the device to corner window glass in a complex shape is further improved, the distance between a spray head and the corner window glass is adjusted, and the overall prime coat quality is improved. The device has the advantage of being good in spraying effect.

The invention belongs to the field of inorganic non-metallic photoelectric functional materials, and discloses moisture-resistant fluoride red phosphor, preparation and application thereof, and white light LED devices. The fluoride red phosphor has a core-shell structure; the core is Mn 4+ Doped fluoride red phosphor, chemical formula A2B 1‑x F6:xMn 4+ , wherein A is at least one of Li, Na, K, Rb and Cs, B is at least one of Ti, Si, Ge, Zr and Sn, 0≤x≤0.4; the shell is a cubic perovskite compound, the chemical formula is CMgF3, wherein C is at least one of Li, Na, K, Rb and Cs. The present invention uses the generated CMgF3 as a wrapping waterproof layer to form an A2B coated with CMgF3 on the surface 1‑x F6:xMn 4+ The core-shell structure overcomes the moisture resistance problem of fluoride red powder.

The invention provides a water-based pole piece edge sealing insulating adhesive, a preparation method and application. The water-based pole piece edge sealing insulating adhesive has a core-shell structure which takes polyacrylic acid and ester thereof as a core and takes a PAA macromolecular structure fragment as a single-layer or multi-layer shell; a plurality of monomers including acrylic acid, acrylic ester, styrene, polar monomers, self-emulsifying monomers and crosslinking monomers are used as raw materials and are subjected to core-shell emulsion polymerization to prepare the emulsion. Wherein the proportion of the polar group is 5-30%, and the proportion of the self-emulsifying group is 1-8%. By selecting monomer raw materials and controlling the proportion, the prepared adhesive has proper surface tension and viscosity and has excellent infiltration and adhesion performance on current collector aluminum foil, especially oil-containing aluminum foil and inorganic filler, and the peel strength can reach 360 N / m; and the adhesive has a core-shell structure, so that the flexibility of the insulating coating is maintained, excellent low-absorption performance on electrolyte is achieved, and the performance of the battery is not influenced.

The invention discloses an IC chip quartz substrate coating process with low film layer damage, relates to the technical field of quartz substrate coating, and aims to solve the problem that a quartz substrate film layer is damaged due to the fact that the coating process is not rigorous. The production efficiency can be remarkably improved and the waste and loss in the coating process can be reduced by monitoring and adjusting the coating process in real time and optimizing the annealing process, and the coating process can be continuously optimized and the damage of the film layer to the substrate can be reduced by monitoring and analyzing the data, so that the performance and the reliability of the IC chip are improved, and the production cost is reduced. Through regular quality monitoring and evaluation, defects and potential problems in the process can be found in time, adjustment is carried out according to the film layer material of the target film coating quartz substrate, it can be ensured that the film coating process is matched with the characteristics of the film layer material, the optimal film coating effect is achieved accordingly, and according to the specific application requirements of the IC chip quartz substrate, the film coating quality is improved. And the performance of the film layer can be optimized by adjusting the parameters of the film coating environment.

The invention provides a modified carbon fiber material and a preparation method thereof, and the preparation method comprises the following steps: S1, dissolving a polyurethane reinforcing aid in absolute ethyl alcohol to obtain a first mixed solution; s2, pouring the first mixed solution into EL2 epoxy laminated resin, stirring to obtain a second mixed solution, heating the second mixed solution, and airing for later use; s3, uniformly stirring the GC polyester gel coat, coating the mold with the GC polyester gel coat, and standing until the surface is not sticky; s4, uniformly coating the second mixed solution on the surface of the GC polyester gel coat; s5, covering the GC polyester gel coat coated with the second mixed solution with a twill carbon fiber material, and brushing a layer of modified EL epoxy resin on the twill carbon fiber material; s6, repeating the step S5 for at least one time; s7, extruding the mold to discharge bubbles, and brushing off redundant modified EL epoxy resin by using a brush; and S8, standing and demolding to obtain the modified carbon fiber material. The modified carbon fiber material has strain rate sensitivity, and meanwhile, the brittleness of a traditional carbon fiber material can be improved.

The present disclosure provides a safe conductive coating slurry, a composite current collector and a preparation method thereof, and a battery, and belongs to the field of battery materials. The safe conductive coating slurry for the composite current collector comprises, in terms of mass fraction, 15-30 parts of a main material, the main material comprising microcrystalline glass; 10-30 parts of a binder; 10-20 parts of a solvent; 0.5-2 parts of a dispersing agent; 0.5-1 part of a wetting agent; and 0.5-1 part of a leveling agent. The coating slurry of the present disclosure comprises microcrystalline glass, which can simultaneously play the roles of a conductive coating and a safe coating by only coating one layer of coating, thereby simplifying the preparation process and the coating process; when combined with an electrode active material, the coating slurry does not cause the electrode active material to fall off; and the safe conductive coating has no cracking phenomenon. The technical problems of the prior art, such as the complexity of the slurry preparation process and the coating process when the two-layer structure of the conductive coating and the safe coating is coated on the composite current collector, the easy falling off of the electrode active material when combined with the electrode active material, and the easy cracking of the conductive coating, are avoided.

The invention provides sodium-ion battery positive electrode slurry and a preparation method thereof, a positive electrode plate, a sodium-ion battery and power-related equipment, and relates to the technical field of sodium-ion battery positive electrode slurry. The sodium-ion battery positive electrode slurry comprises the following raw materials: a sodium-ion battery positive electrode material, a conductive agent, a binder, a weak acid additive, a dehydrating agent and a solvent, the weak acid additive comprises one or more of malic acid, oxalic acid, boric acid, phosphoric acid, citric acid and sorbic acid; the dehydrating agent comprises one or more of polyacrylamide, anhydrous calcium chloride and potassium chloride. The slurry is prevented from forming gel through the synergistic effect of the weak acid additive and the dehydrating agent, the weak acid additive and residual alkali on the surface of the sodium-ion battery positive electrode material are subjected to chemical reaction to generate water, the residual alkali is prevented from attacking a binder, and formation of the gel is reduced; and the dehydrating agent is used for removing water, so that the flowability of the slurry is not influenced.

The invention relates to polyimide slurry and a polyimide film which can be coated on a glass substrate and amorphous silicon glass used by an integrated passive device, and a preparation method of the polyimide slurry and the polyimide film. The preparation of the polyimide slurry comprises the following steps: mixing dianhydride, aromatic carboxylic acid and diamine in an organic solvent, reacting at room temperature, reacting the obtained polyimide prepolymer solution under a heating temperature condition, cooling, adding the organic solvent again, and fully stirring to obtain the polyimide slurry; wherein diamine comprises a main monomer and an auxiliary monomer, the main monomer is aromatic diamine, and the auxiliary monomer is aromatic diamine containing a trifluoromethyl group; and coating the prepared polyimide slurry on a flat plate, carrying out gradient curing in a nitrogen or argon atmosphere, finally cooling to room temperature, and stripping to obtain the polyimide film. The film prepared by the method has good thermal performance, mechanical performance and smoothness.

A spiral angle roller coating device is characterized by comprising a spiral angle roller, an angle adjusting mechanism, a coating supply system and a driving system, the angle adjusting mechanism is arranged on the spiral angle roller, the coating supply system is arranged on the spiral angle roller, and the spiral angle roller is driven by the driving system. Spiral lines are designed on the surface of a roller of the spiral angle roller, and the spiral angle is attached to the coating supply system; through the spiral angle roller and the elaborately-designed coating technology, paint can be evenly distributed on the surface of a material, the thickness difference of the coating is greatly reduced, the quality and appearance of a product are improved, the whole coating process is more efficient and faster through a stable and reliable driving system and the optimized coating technology, and compared with a traditional coating device, the coating device has the advantages that the cost is reduced, and the production efficiency is improved. According to the spiral angle roller coating device, more coating work can be completed within the same time, and the production efficiency is improved.

The invention discloses a proportion detection method for a double-layer coated pole piece, which comprises the following steps: preparing slurry: preparing a CMC (Carboxy Methyl Cellulose) glue solution and stirring, and adding and preparing an SWCNT (Single Wave Carbon Nanotube) conductive glue solution at the same time; mixing and stirring the main material, the SP, the CMC glue solution and the SWCNT slurry; finally, adding SBR emulsion, stirring at a low speed, and adjusting according to a viscosity requirement range to obtain final slurry; according to the obtained final slurry, coating graphite with different proportions on a pole piece through a coating die head, and verifying the pole piece with different compaction densities; and then OI value determination is carried out on the pole pieces with different compaction densities, and cycle performance comparison is carried out on determination results to obtain comparison results of different cycle data. According to the method, the difference between the proportion design value and the actual value of double-layer coating is determined according to the OI value; in addition, natural graphite can be adopted for the bottom-layer graphite negative electrode, so that the cost of artificial graphite can be greatly reduced, and the cost of the whole battery cell is reduced.

The utility model discloses a lithium battery cell aluminum shell surface coating insulation protection structure which comprises a cell aluminum shell and an insulation coating, the insulation coating comprises a ceramic material, a nanometer material and a high-molecular polymer material, and the surface of the cell aluminum shell is sequentially coated with the ceramic material, the nanometer material and the high-molecular polymer material; the ceramic material is at least one of aluminum oxide, silicon nitride, zirconium oxide and aluminum nitride; the high-molecular polymer material is preferably polyimide; the nanometer material is nanometer aluminum oxide. The mylar film has remarkable advantages in the aspects of material composition, coating process, insulating property, cost, environmental friendliness and the like, can effectively replace a traditional mylar film, and overcomes the defects in the prior art. The preparation method has the characteristics of simple process, low cost and excellent performance, and has important application value and market competitiveness in the field of electronic manufacturing.

The invention belongs to the technical field of coatings, and particularly relates to an anticorrosive coating applied to a steel structure and a preparation method thereof. The anticorrosive paint applied to the steel structure comprises the following components in parts by weight: 20-40 parts of nano metal oxide modified epoxy resin emulsion; 20 to 40 parts of castor oil based polyurethane emulsion; 15 to 30 parts of fluorocarbon resin emulsion; 1-5 parts of a silane coupling agent; 2-10 parts of a graphene modified metal organic framework; 0.3-1 part of a water-based inorganic adhesive; 2-5 parts of a filler; and 20 parts of deionized water. The preparation method comprises the following steps: preparing the nano metal oxide modified epoxy resin emulsion, preparing the castor oil-based polyurethane, preparing the coating base material, preparing the auxiliary material and preparing the anticorrosive coating. According to the anticorrosive paint applied to the steel structure, the adhesive force between the paint and the surface of the steel structure is effectively solved, meanwhile, the surface and the internal structure of a coating formed by the paint have good hydrophobicity and chemical inertness, and the anticorrosive performance is excellent.

The invention provides a composite protective coating for a metal surface, and relates to the field of protective coatings. The coating is composed of a pre-ceramic phase formed by a silicon-based ceramic precursor and an aluminum-containing filler phase, the pre-ceramic phase is connected into a three-dimensional network structure in the coating, the filler phase is distributed in gaps of the pre-ceramic phase, and the coating is of a three-dimensional network-gap structure; wherein the volume fraction of the pre-ceramic phase is not more than 80%, and the volume fraction of the filler phase is not less than 20%. Through reasonable coating design and preparation method design, a reasonable coating structure and form are formed, so that the coated steel plate has excellent oxidation resistance.

The application discloses a battery pole piece double-layer coating system and method, which comprises a back roller, a coating nozzle, a first feeding module, a second feeding module and a third feeding module. The back roller is used for bearing a battery current collector. The coating nozzle comprises isolated first, second and third spraying channels. The first feeding module is located on one side of the coating nozzle and is used for providing spraying slurry to the first spraying channel. The second feeding module is arranged in parallel with the first feeding module and is used for providing spraying slurry to the second spraying channel. The third feeding module is arranged in parallel with the first and second feeding modules and is used for providing ceramic slurry to the third spraying channel. The battery pole piece double-layer coating system can realize double-layer coating and special ceramic edge coating of the positive pole piece, has high coating efficiency, high coating consistency and good coating stability.