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455 results about "Coated membrane" patented technology

A single or double lipid bilayer with any of several different proteinaceous coats that can associate with membranes. Membrane coats include those formed by clathrin plus an adaptor complex, the COPI and COPII complexes. [GOC:jid]

Basin area member

To provide a basin area member which has high hydrophilic nature, matte appearance and can suppress slipperiness.SOLUTION: A basin area member comprises: a substrate; and a coating layer covering the substrate. The coating layer has: a ground layer provided on a surface of the substrate; and a surface layer provided on a part of a surface of the ground layer. The coating layer has: a first area where the ground layer is covered with the surface layer; and a second area where the ground layer is not covered with the surface layer. The surface layer includes: a coating film formed of a cured object of a hydrophilic coating in the first area; and an aggregate formed by aggregation of multiple particles in the coating film. The aggregate has parts where two or more particles overlap in a lamination direction. A ratio of an area of the second area to a total of areas of the first area and second area in viewing along the lamination direction is 1.6% or more and 50% or less in the basin area member.SELECTED DRAWING: Figure 3
Owner:TOTO LTD

Spraying equipment automatic control system based on industrial internet

The invention discloses a spraying equipment automatic control system based on the industrial internet, and belongs to the technical field of industrial automatic control. The system comprises a state sensing unit, a feature extraction unit, a risk prediction unit and a closed loop correction unit. The state sensing unit obtains a real-time working condition data set; the feature extraction unit generates a core process feature set; the risk prediction unit generates a quality risk prediction set; the closed-loop correction unit calculates a target process set point. The system senses multi-source data such as environment temperature and humidity and coating flow in real time, quantifies the influence of environment and process fluctuation on spraying quality, predicts indexes such as coating film thickness and defect probability in a prospective mode, and adjusts process parameters in a self-adaptive mode on the basis of working condition risk levels. Compared with the prior art, complex working condition insight, quality risk look-ahead prediction, dynamic intelligent optimization and extreme working condition robust control are achieved, the contradiction between high quality and high efficiency in automatic spraying is relieved, and the spraying quality stability and the production efficiency are improved.
Owner:HEBEI PULANKE IND TECH CO LTD

DTF pyrograph film and preparation method thereof

The invention relates to a DTF pyrograph film and a preparation method thereof, the DTF pyrograph film comprises a back coating, a PET film layer, a bottom coating and a surface coating, the back coating comprises a first waterborne polyurethane emulsion, first matt powder, first wax powder, a first dispersing agent, a first wetting agent and a first defoaming agent; the primer comprises a water-based silicon resin emulsion, a second dispersing agent, a second defoaming agent, second matt powder, a water-based thickening agent, a second wetting agent and a first flatting agent; and the surface coating glue comprises a water-based cationic resin liquid, a second water-based polyurethane emulsion, matting powder, second wax powder, a third wetting agent, a slip agent, a third defoaming agent, a third dispersing agent, an anti-shrinkage agent, a second flatting agent, ethanol and an anti-settling agent. The DTF pyrograph film is light and thin in coating, uniform and consistent in coating, free of vertical printing, line printing, reticulate printing, cloud printing and the like during printing, free of lightning printing after being bent, capable of achieving hot tearing, second tearing and cold tearing during high-temperature transfer printing, clear and complete in pattern color after transfer printing, free of light reflection and shining, capable of resisting water and oil and good in hand feeling and wear resistance.
Owner:GUANGDONG HESHUN COATING MATERIAL CO LTD

Water-based water-repellent coating composition and inorganic building material with cured coating film

To provide an aqueous water-repellent coating composition which gives a cured coating film excellent in water repellency, water resistance, and weather resistance.SOLUTION: The aqueous water-repellent coating composition according to the present invention contains (A) titanium oxide, (B) amorphous silica, and (C) a silicone resin. The titanium oxide (A) has a median diameter of 0.1 μm or more and 5 μm or less. The content of the titanium oxide (A) is 30 mass% or more and 65 mass% or less, the content of the amorphous silica is 10 mass% or more and 55 mass% or less, and a pigment mass concentration (PWC) is 50 mass% or more and 80 mass% or less based on 100 mass% of the aqueous water-repellent coating composition in terms of solid content.SELECTED DRAWING: None
Owner:CHUGOKU MARINE PAINTS

Hard coat film for foldable display and use thereof

Provided is a hard coating film for foldable displays that does not form creases or cracks in the folding portion, and that is also excellent in reducing iridescent colors (interference mottling) caused by fine cracks in an easy-to-adhere resin layer or other layers. The hard coating film for foldable displays contains a polyester film having a thickness of 10 to 80 μm, an easy-to-adhere resin layer, and a hard coating layer, the easy-to-adhere resin layer and the hard coating layer being stacked in this order on at least one surface of the polyester film, wherein the easy-to-adhere resin layer is a cured product of a composition containing at least one compound selected from the group consisting of titanium compounds and zirconium compounds and a polyester resin, and the polyester film having the easy-to-adhere resin layer stacked thereon but not yet having the hard coating layer stacked thereon satisfies characteristics within specific ranges.
Owner:TOYOBO CO LTD

Coating film

PCT designated stage expiredWO2025074948A1BiocidePaints with biocidesCoated membraneSilicon oxide
[Problem] To provide an organic-inorganic hybrid coating film which contains a large amount of silver ions, copper ions, and zinc ions, which has an excellent antibacterial / antiviral function, antifungal function, and a deodorization function, which makes it possible to reliably eliminate germs, various viruses, various mold fungi and which makes it possible to reliably remove unpleasant odors. [Solution] A organic-inorganic hybrid coating film that is a glass coating film which contains silicon oxide (SiO2) as a base, wherein in the coating film, glass particles are electrically conductive glass which includes at least one type of ion from among silver ions (Ag+), copper ions (Cu2+), and zinc ions (Zn2+), and the glass particles include glass which contains, as a base, at least one oxide from among vanadium oxide (V2O5), tungsten oxide (WO3), and molybdenum oxide (MoO3), and phosphorus oxide (P2O5).
Owner:HARDOLASS HLDG CO LTD

Powder resin coating method and powder resin coating device

To provide a powder resin coating method and a powder resin coating device that can form a coating film of a given film thickness on a bridge portion of a coil end portion without making the coating film over the entire coil end portion of a stator too thick.SOLUTION: In a powder resin coating method for applying a coating of powder resin 40 onto a coil end portion 103 of a stator 100, the stator having, in the coil end portion 103 protruding from a stator core 101, a welding portion 104b of coils and a bridge portion 105 arranged at a position farther from the stator core 101 than the welding portion 104b and connecting a plurality of welding portions 104b, the method includes, in addition to a first immersion step for immersing the coil end portion 103 in a heated state into the powder resin 40 to weld the powder resin 40 to the welding portion 104b and the bridge portion 105, at least one second immersion step for immersing only the bridge portion 105 into the powder resin 40 to weld the powder resin 40 to the bridge portion 105.SELECTED DRAWING: Figure 8
Owner:HONDA MOTOR CO LTD

Aqueous coating composition set and method for forming multilayer coating film using the same

To provide an aqueous coating composition which enables formation of a metallic coating film having high designability, and enables formation of a coating film exhibiting good coating film physical property.SOLUTION: An aqueous coating composition set for multilayer coating film formation contains a first base coating composition forming a first base coating film, and a second base coating composition forming a second base coating film, wherein the first base coating composition contains a first coating film forming resin, a first curing agent, a first inorganic brightener and a first hydrophobic association type viscous agent, the first inorganic brightener is one or more kinds selected from the group consisting of silica, talc, calcium carbonate, kaolin, barium sulfate, and diatomaceous earth, the second base coating composition contains a second coating film forming resin, a second curing agent, a second bright material, a second inorganic viscous agent, a second hydrophobic association type viscous agent, and a second dispersion agent, and the second inorganic viscous agent contains a layered material having such a laminated structure that a large number of inorganic crystal layers are laminated.SELECTED DRAWING: None
Owner:NIPPON PAINT AUTOMOTIVE COATINGS

Antifouling coating composition

The present invention provides a composition for forming a high-gloss coating film which exhibits good antifouling performance in spite of a relatively slow dissolution rate of the coating film, and which does not cause a coating film abnormality such as a crack even after being immersed in seawater for a long period of time. The present invention specifically provides an antifouling coating composition which contains a copolymer A, a rosin ester B, and an antifouling agent C, wherein: the copolymer A is a copolymer of a monomer (a1) and an ethylenically unsaturated monomer (a2) other than the monomer (a1); the monomer (a1) is represented by general formula (1); and the rosin ester B is a reaction product of a polyhydric alcohol (b1) and rosin or a derivative thereof (b2).
Owner:NITTO KASEI CO LTD

Antiviral coating composition, coating film, and article

An object of the present invention is to provide an antiviral coating composition being capable of forming a coating film whose metal-doped silica exhibits excellent antiviral properties and which is firmly retained on the surface of an article; a coating film formed from the antiviral coating composition; and an article comprising the coating film. The antiviral coating composition of the present invention as a means for resolution comprises (1) a metal-doped silica, (2) a vinylpyrrolidone unit-containing polymer, and (3) an alcohol-based solvent or a mixed solvent of an alcohol-based solvent and water. The coating film of the present invention is formed from the antiviral coating composition of the present invention. The article of the present invention comprises the coating film of the present invention.
Owner:TOYO SEIKAN GRP HLDG LTD

Antiviral aerosol composition, coating film, and article

An object of the present invention is to provide an antiviral aerosol composition that has high stability and can be aerosol-applied without causing nozzle clogging or the like, the antiviral aerosol composition being capable of forming a coating film whose copper-doped silica exhibits excellent antiviral properties and which is firmly retained on the surface of an article; a coating film formed from the antiviral aerosol composition; and an article comprising the coating film. The antiviral aerosol composition of the present invention as a means for resolution comprises (1) a copper-doped silica, (2) a vinylpyrrolidone unit-containing polymer, (3) an alcohol-based solvent or a mixed solvent of an alcohol-based solvent and water, and (4) a propellant. The coating film of the present invention is formed from the antiviral aerosol composition of the present invention. The article of the present invention comprises the coating film of the present invention.
Owner:TOYO SEIKAN GRP HLDG LTD +1

Preparation method of double-layer hemodialysis membrane capable of releasing negative ions

The invention belongs to the technical field of membrane separation, and discloses a preparation method of a double-layer hemodialysis membrane capable of releasing negative ions. The preparation method takes polyether sulfone (PES) as a membrane material and a tourmaline-graphene oxide (TM-GO) composite material as an additive, and comprises the following steps: preparing the tourmaline-graphene oxide (TM-GO) composite material; preparing a PES membrane casting solution and a membrane casting solution formed by blending PES and TM-GO; carrying out vacuum defoaming treatment on the membrane casting solution, and then blade-coating a double-layer membrane on a glass plate; and putting the blade-coated membrane into a coagulating bath formed by mixing N, N-dimethylformamide (DMF) and water, and carrying out phase inversion treatment, so as to obtain the double-layer hemodialysis membrane capable of releasing negative ions. The prepared double-layer hemodialysis membrane capable of releasing the negative ions has an excellent toxin removing effect, meanwhile, the negative ions can be released to enter a human body along with blood flow while hemodialysis treatment is conducted, and the membrane is endowed with the anti-oxidation function.
Owner:TIANJIN POLYTECHNIC UNIV

Composite anion exchange membrane and catalyst coated membrane for electrochemical devices

Composite anion exchange membranes are described. The composite anion exchange membranes comprise an anion exchange polymer containing a hydrogen recombination catalyst dispersed in the anion exchange polymer. The anion exchange membrane may also include a radical scavenger. The anion exchange polymer comprises a plurality of repeating units of formula (I)Catalyst coated membranes and membrane electrode assemblies made using the composite anion exchange membranes are also described.
Owner:UOP LLC

Color-coated sheet coating film thickness detection device and detection method based on laser measurement

The invention discloses a color-coated sheet coating film thickness detection device and detection method based on laser measurement, and relates to the related technical field of detection, the color-coated sheet coating film thickness detection device based on laser measurement comprises a conveying mechanism, two first installation parts, a second installation part, a third installation part, a fourth installation part and a fifth installation part, the first mounting piece is fixed on the detection table, a removing mechanism used for removing burrs on the surface of the color-coated sheet is installed on the first mounting piece, the second mounting piece is fixed on the detection table and located at the conveying tail end of the color-coated sheet, and a plurality of laser detection devices used for detecting the coating thickness of the color-coated sheet are installed on the second mounting piece. A pressing assembly used for preventing the color-coated sheet from protruding in the conveying process is further installed on the second installation piece, the spiral propelling mode is that push-pull force similar to that in the cutting process of a kitchen knife exists, and therefore the acting force in the cutting process only acts on burrs. And therefore, the problem that the burrs and the normal coating near the burrs are lifted together is solved.
Owner:SHANDONG HUIJIN COLOR STEEL

Antiviral coating composition, coating film, and article

An object of the present invention is to provide an antiviral coating composition being capable of forming a coating film whose metal-doped silica exhibits excellent antiviral properties and which is firmly retained on the surface of an article; a coating film formed from the antiviral coating composition; and an article comprising the coating film. The antiviral coating composition of the present invention as a means for resolution comprises (1) a metal-doped silica, (2) a vinylpyrrolidone unit-containing polymer, and (3) an alcohol-based solvent or a mixed solvent of an alcohol-based solvent and water. The coating film of the present invention is formed from the antiviral coating composition of the present invention. The article of the present invention comprises the coating film of the present invention.
Owner:TOYO SEIKAN GRP HLDG LTD

A device and method for detecting the coating film thickness of a color coated sheet based on laser measurement

The application discloses a color-coated plate coating film thickness detection device and method based on laser measurement, and relates to the technical field of detection. The color-coated plate coating film thickness detection device based on laser measurement comprises a conveying mechanism which is installed at the bottom of a detection table and is used for synchronously unwinding and winding the color-coated plate. Two first mounting members are fixed on the detection table. A removing mechanism for removing burrs on the surface of the color-coated plate is installed on the first mounting member. A second mounting member is fixed on the detection table and is located at the tail end of the conveying of the color-coated plate. A plurality of laser detection devices for detecting the coating thickness of the color-coated plate are installed on the second mounting member. A pressing assembly for avoiding the bulging of the color-coated plate during conveying is also installed on the second mounting member. The spiral pushing mode of the application is similar to the pushing and pulling force during the cutting of a kitchen knife. Therefore, the cutting force only acts on the burrs, and the problem that the burrs and the normal coating near the burrs are lifted together does not occur.
Owner:SHANDONG HUIJIN COLOR STEEL

Preparation method of FeCrAlY coating

The invention relates to the technical field of material surface treatment, and discloses a preparation method of a FeCrAlY coating. The preparation method of the FeCrAlY coating comprises the following steps that S1, in a magnetron sputtering device provided with a FeCrAlY magnetron target, an Al arc target and a substrate, plasma glow auxiliary cleaning is conducted on the substrate, and an activated substrate is obtained; s2, performing bombardment injection on the activated substrate through arc ion plating and bias voltage assisted attraction of Al ions to obtain an aluminum-rich substrate; and S3, a high-energy pulse and direct-current composite magnetron sputtering method is adopted, gradient sputtering coating is conducted on the surface of the aluminum-rich substrate, annealing is conducted, and the FeCrAlY coating is obtained. According to the preparation method of the FeCrAlY coating, provided by the invention, the prepared FeCrAlY coating is high in film-substrate binding force and excellent in high temperature resistance, corrosion resistance and oxidation resistance, and has self-repairing performance.
Owner:CHINA NATIONAL NUCLEAR CORP SOUTHERN TECHNOLOGY CO LTD +2

Catalyst-coated membranes for water electrolysis

PCT designated stageWO2025163301A1CellsOrganic diaphragmsCoated membraneIridium
A catalyst-coated membrane for a water electrolyser is provided. The catalyst-coated membrane comprises a thin film coating of an oxide of iridium on a first major surface of an electrolyte membrane. The thin film coating satisfies the following requirements: (i) the thin film coating has a first region adjacent to the electrolyte membrane and a second region distal to the electrolyte membrane; (ii) the porosity of the second region of the thin film coating is higher than the porosity of the first region of the thin film coating; and (iii) the thin film coating has a total porosity in the range of and including 20 to 60 vol%.
Owner:JOHNSON MATTHEY HYDROGEN TECH LTD

Catalyst coating membrane structure, membrane electrode and device for producing hydrogen by electrolyzing water

The utility model relates to the field of electrolyzed water, and provides a catalyst coated membrane structure, a membrane electrode and a device for producing hydrogen by electrolyzing water, the catalyst coated membrane structure comprises a proton exchange membrane, a cathode catalyst layer and an anode catalyst layer, the cathode catalyst layer and the anode catalyst layer are respectively arranged on two sides of the proton exchange membrane, and the anode catalyst layer is arranged on the proton exchange membrane. And a hydrophobic hydrogen-resistant layer is arranged between the proton exchange membrane and the cathode catalyst layer. The method has the advantages that the hydrogen transmittance is reduced, so that the concentration of hydrogen in anode side oxygen is reduced, the explosion risk is reduced, and the safety coefficient during operation of the electrolytic cell is improved. In addition, expensive metal and metal oxide catalysts are not used in the scheme, so that the cost of the catalyst coating film is reduced while the hydrogen resistance effect is achieved. And when the hydrogen passing ability is reduced, normal proceeding of other mass transfer is guaranteed, the water electrolysis hydrogen production device still has high performance under the condition that the hydrogen content in the anode side oxygen is low, and the safety of an electrolytic cell during operation is improved.
Owner:SINOHYKEY TECHNOLOGY (GUANGZHOU) CO LTD

Coating device for inner wall of shell structure

The invention relates to a coating device for the inner wall of a shell structure, belongs to the technical field of surface treatment, and solves the problems of non-uniform film thickness and difficulty in coating a complex area in a traditional coating device. The coating device comprises a liquid conveying pipe used for conveying a coating material, the liquid conveying pipe comprises an inner pipe and an outer pipe, and the outer pipe is arranged outside the inner pipe in a sleeving mode and connected with the inner pipe through a bearing so that the inner pipe can rotate relative to the outer pipe; the multi-angle nozzle is communicated with the front end of the inner pipe, is adjustable in spraying angle and is used for spraying a coating material onto the inner wall of the shell structure; the feeding hole is communicated with the rear end of the inner pipe and is used for inputting a coating material; the feeding device is connected with the outer tube and is used for driving the infusion tube to linearly feed at a constant speed; the rotating device is connected with the inner pipe and used for driving the inner pipe to rotate around the axis. The uniform-speed linear feeding of the infusion tube and the coating of a complex area can be realized, and the coating device has the advantages of uniform coating film thickness, high coating efficiency, strong adaptability and the like.
Owner:CHANGCHUN UNIV OF SCI & TECH

Coating film cutting apparatus

Provided is a coating film cutting apparatus that realizes a cutting process exposing a large amount of a base material, and that can subject a coating film to a cutting process for making uniform cuts with high reproducibility and stability. The apparatus is for performing a cutting process on a test piece TP on which a coating film is formed, and comprises a test piece holder 2 that holds the test piece TP, and a tool unit 3 that performs the cutting process. The test piece holder 2 is provided on an apparatus base 20 so as to be movable in the X-axis, Y-axis, and θ-axis directions. The tool unit 3 is attached to a second stage 73 suspended via a load cell from a first stage 71 that is provided to be movable in the Z-axis direction. The cutting process for the coating film is performed by attaching a hand-held cutting device 40 having a power source to the tool unit 3, moving the cutting device 40 in the Z-axis direction to cut the coating film, and moving the test piece holder 2 in the X-axis, Y-axis and θ-axis directions to make cuts of a desired depth, length, and direction.
Owner:ALLGOOD CO LTD

Laminate manufacturing method and compact manufacturing method

To provide a laminate manufacturing method which enables application of a laminate including a paper base material and a resin layer containing a poly (hydroxy alkanoate)-based resin to a packaging material of a foodstuff limited in curling, having limited pinholes on the surface of the resin layer, exhibiting excellent oil resistance, and containing much oil.SOLUTION: This manufacturing method comprises: a step [step (i)] of coating the surface of a paper base material with an aqueous coating liquid containing an acrylic resin, and then heating the surface to form a primer layer (B); and a step [step (ii)] of coating the surface of the primer layer (B) with an aqueous dispersion liquid containing a poly (hydroxy alkanoate)-based resin to form a coating film, and heating the surface so that the surface temperature of the coating film can become a melting point (Tm)+5°C-Tm+20°C of the poly (hydroxy alkanoate)-based resin to form a resin layer (C).SELECTED DRAWING: None
Owner:KANEKA CORP

Photoluminescent coating material composition and multilayer coating film forming method

The purpose of the present disclosure is to provide a photoluminescent coating material composition that forms a coating film which has excellent metallic gloss and in which unevenness is unlikely to occur, when being used not only in robotic coating but also in coating using a liquid discharge head in which discharging is controlled by changing the relative distance between a valve body and a discharge port. A photoluminescent coating material composition according to the present disclosure has the following configuration. The photoluminescent coating material composition contains water, a scale-like aluminum pigment (A), and nanocellulose (B). The scale-like aluminum pigment (A) has volume mean particle diameters of d50 within a range of 0.5-8.0 μm and d90 within a range of 2.0-15.0 μm.
Owner:KANSAI PAINT CO LTD

Transparent protective film layer for automobile exterior trimming product

The utility model belongs to the technical field of surface treatment, and provides a transparent protective film layer for an automobile exterior product, which comprises a base material layer and a hardened coating film, the hardened coating film consists of a protective coating, a film layer and a gum layer, the protective coating is positioned on the front side of the film layer, and the gum layer is positioned on the back side of the film layer. The back adhesive layer is positioned on the back surface of the diaphragm layer, and the integrally formed hardened coating diaphragm is formed on the front surface of the base material layer. The utility model has the advantages that the independently formed hardened coating film is used, and the TOM process is adopted to act on the base material layer to form a product, so that the product can meet the automobile exterior decoration properties such as weather resistance, scratch resistance and the like, and the whole scheme does not need paint spraying, is low-carbon and environment-friendly, and reduces the manufacturing cost.
Owner:JIAXING MINHUI AUTOMOTIVE PARTS CO LTD

Method for predicting changes in coating film, system for predicting changes in coating film, and application software.

To provide a method for predicting changes in a coating film using an artificial intelligence model trained on machine learning, which analyzes the relationship between information about the coating film and / or information about the paints that make up the coating film and the results of weather resistance tests of the coating film, based on information about the coating film and / or information about the paints used to form the coating film. [Solution] A method for predicting changes in a coating film using an artificial intelligence model trained on the relationship between information about the coating film and / or information about the paint used to form the coating film and the results of weather resistance tests of the coating film.
Owner:KANSAI PAINT CO LTD

Spinal implant and method of manufacturing spinal implant

A spinal implant includes a base and a coating film disposed on the base and including a calcium phosphate-based material and an antimicrobial agent. A surface of the base includes a first region in which the coating film is disposed and a second region exposed from the coating film.
Owner:SAGA UNIVERSITY +1

A solar temperature-controlled backsheet based on shape-stabilized phase change material and its preparation method

This invention provides a solar temperature-controlled backsheet based on a shaped phase change material and its preparation method, belonging to the field of solar panel manufacturing technology. The invention involves uniformly mixing paraffin powder and premixed epoxy resin at a mass ratio of (7-6):(3-4), followed by curing to prepare a waterproof coating film on the surface, thus obtaining a solar temperature-controlled backsheet based on a shaped phase change material. This invention uses epoxy resin directly cured with paraffin powder, resulting in a phase change composite material with excellent mechanical properties, facilitating its processing into complex configurations. Simultaneously, it effectively increases the proportion of phase change thermal storage material. The prepared waterproof coating film further prevents the loss of phase change thermal storage material inside the solar temperature-controlled backsheet. The solar temperature-controlled backsheet of this invention can directly or closely contact the solar cells, allowing for more direct and effective temperature control of the cells, improving cell efficiency and lifespan.
Owner:WUHAN UNIV

A high heat-resistant lithium battery separator and preparation method thereof

The present invention relates to the technical field of lithium battery separators and proposes a highly heat-resistant lithium battery separator and a method for preparing the same. The separator comprises a coating film and a base film, arranged sequentially from top to bottom. The coating film comprises the following components by weight: 30-50 parts inorganic particles, 0.4-1.2 parts dispersant, 0.2-1 parts thickener, 2-6 parts binder, 0.02-0.1 parts wetting agent, and 35-55 parts water; the inorganic particles include silica aerogel. This technical solution addresses the poor heat resistance and air permeability of lithium battery separators in related technologies.
Owner:HEBEI GELLEC NEW ENERGY MATERIAL SCI&TECHNOLOY CO LTD

A method for preparing a new functional layer of a catalyst-coated membrane (CCM)

The application discloses a preparation method of a novel catalyst coated membrane (CCM) functional layer, and belongs to the technical field of membrane electrode assemblies (MEA) of proton exchange membrane fuel cells (PEMFC). 2 The SiO2 with a nominal BET of 150 m 2 / g and a 20 wt% Nafion solution are configured into a solution, and the solvent for the solution is a mixture of isopropyl alcohol and water, wherein the mass ratio of Nafion to oxide is 1; S2, the slurry is subjected to 14 h ball milling and 30 min ultrasonic removal of agglomeration; S3, the SiO2 / Nafion slurry is sprayed onto the PEM cathode / anode surface by using an ultrasonic spraying instrument; S4, the catalyst slurry with an I / C ratio of 0.6 is sprayed onto the PEM cathode / anode surface to which the reinforced functional layer has been added by using the ultrasonic spraying instrument; and S5, the conventional MPL, GDL, sealing ring, flow channel, bipolar plate, insulating plate and clamp are pressed and assembled, and no additional sealing is required. By adding the functional layer, the water retention capacity of the membrane electrode is significantly improved, so that the membrane electrode can still maintain excellent proton conduction and output high power under low-humidity working conditions.
Owner:SHANGHAI JIAOTONG UNIV

Coating equipment and coating method

The invention relates to coating equipment and a coating method, and belongs to the technical field of coating. The coating equipment comprises a coating mechanism, a conveying mechanism and a wetting mechanism, the coating mechanism comprises a coating roller and a coating head, the coating roller is used for bearing and conveying a membrane material, and the coating head is matched with the coating roller to coat slurry on the surface, away from the coating roller, of the membrane material; the conveying mechanism is used for conveying a membrane material to the coating roller; the wetting mechanism is arranged on the upstream, corresponding to the coating roller, of the conveying mechanism, and is used for uniformly spraying a liquid medium to the surface, close to the coating roller, of the membrane material, so that the membrane material is attached to the coating roller. According to the coating equipment and the coating method provided by the invention, the problem of black spots or non-uniform thickness of the coated membrane material due to the existence of concave and convex points on the surface of the membrane material in related technologies is at least solved.
Owner:CHUZHOU TONGLI PHOTOELECTRIC CO LTD +1