665 results about "Coated membrane" patented technology

A advanced fuel cell (AFC) assembly comprises a variety of features improving its performance, reliability, durability, and manufacturability include an ion exchange membrane such as a proton exchange membrane comprising polymers of perfluorinated sulfonic acid or hydrocarbon compounds supported by an inert endoskeletal structure of greater mechanical strength preventing deformation damage from handling, temperature cycling, and ionomer swelling and contraction from humidity cycling. The endoskeleton may be attached to wider exoskeletal pillars used for singulating one membrane from another after fabrication and to a thicker handle used to transport the membrane during processing prior to separation. Other AFC features include a asymmetric catalyst coated membrane inhibiting fuel cross over, oxygen back streaming, and CO atmospheric poisoning; a graded heterogenous gas diffusion layer for enhanced charge and gas transport; and a self-aligned gasket-less assembly with integrated sealant preventing gas leakage.

A catalyst-coated membrane-seal assembly comprises an ion-conducting membrane with a central region, which has a first catalyst layer on a first side and a second catalyst layer on the second side, and a border region which has a first seal material layer on the first side and a second seal material layer on the second side. The edge of the first seal material layer facing the central region is bevelled such that a side of the first seal material layer extends further towards the central region than the opposite side of the first seal material layer.

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

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.

The present disclosure relates to a membrane prepared from a blend comprising i) a polysulfone, polyether sulf one or polyarylethersulfone and ii) polyvinylpyrrolidone, characterized in that the membrane is coated with polydopamine and chon-droitin. Optionally the coating further comprises heparin. The disclosure further relates to a process for producing the coated membrane, a method of increasing the selectivity of a membrane, and to a filtration / diffusion device comprising the membrane which can be used, for example, in hemodialysis applications.

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.

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

The present application provides a modified conductive carbon material, and a preparation method therefor and a use thereof. The modified conductive carbon material is prepared from the following raw materials in parts by weight: 60-80 parts of methyl methacrylate, 10-20 parts of butyl acrylate, 1-5 parts of a polymerizable silane coupling agent, 5-10 parts of a conductive carbon material, 0.1-0.2 parts of a first initiator, 0.1-0.3 parts of a second initiator, 1-10 parts of a first solvent and 0.1-1 part of a second solvent. A methyl methacrylate-butyl acrylate-polymerizable silane coupling agent copolymer is used to carry out surface modification on the conductive carbon material, and physical action and chemical bonding are carried out on the conductive carbon material by means of a polar bond, thereby reducing the surface free energy of carbon material powder, increasing the affinity with styrene-butadiene rubber latex, enabling the styrene-butadiene rubber latex tend to be stable in a slurry, solving the problem of coating film surface stripes caused by instability of the styrene-butadiene rubber latex in the slurry, and enhancing water resistance.

To provide a lustrous coating composition by which a coating film having excellent lustrous appearance and high millimeter wave transmittance can be formed.SOLUTION: A lustrous coating composition is provided, which contains (A) indium particles, (B) a surface conditioning agent, (C) a pigment dispersing agent, (D) a viscosity adjusting agent, and (E) water, and has a solid content of 0.1 to 15 mass%, wherein the surface conditioning agent (B) includes a silicone-based surface conditioning agent, and wherein the pigment dispersing agent (C) includes a compound containing a phosphate group.SELECTED DRAWING: None

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.

[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).

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

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

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).

A hard coat film excellent in initial adhesion and light-resistance adhesion between an easy-bonding layer and a hard coat layer on a cycloolefin polymer-based film. The hard coat film includes a hard coat layer containing an ultraviolet curable resin, an ultraviolet absorbing agent, and dye being stacked on at least one surface of a cycloolefin polymer-based film via an easy-bonding layer including ultraviolet curable resin containing inorganic fine particles, and has: a thickness of the easy-bonding layer is 0.1 to 2.0 μm; a thickness of the hard coat layer 1.0 to 10 μm; residual rates of the hard coat layer and the easy-bonding layer, measured by a crosscut method of JIS-K5600-5-6, are 100%, and residual rates of the hard coat layer and the easy-bonding layer, after ultraviolet radiation (a light resistance test) for 100 hours in an environment at a temperature of 63° C., at a relative humidity of 50%, and with irradiance of 500 W / m2, are 100%.

To provide: an aqueous white ink composition capable of forming a printed layer with excellent resistance to lubricants for belt conveyors; a laminate having the printed layer; and labels, including food and beverage labels, obtained using the laminate.SOLUTION: An aqueous white ink composition comprises an aqueous binder resin, a water-repellent silicone, and titanium oxide. When the aqueous white ink composition is printed on a printing target by flexographic printing with a dry coating weight of 2 g / m2, the water contact angle on the surface of the resulting dried coating film is 90° or more.SELECTED DRAWING: None

A coating step of coating a slurry obtained by dispersing an electrode material on a current collector foil in a solvent to obtain a coating film, and a drying step of drying the coating film while transporting the current collector foil on which the coating film is formed in a drying furnace, the coating film, three regions divided along the transport direction, a central portion disposed in the center of the width direction, and an end portion disposed on both sides of the central portion, respectively, a drying step drying each end portion of the coating film by a heat source of low energy density, drying the central portion of the coating film by a high energy density heat source, an electrode manufacturing method.

The invention discloses a preparation method of a fluoride-free waterproof breathable film based on an irradiation technology. Comprising the following steps: uniformly mixing chitosan, an organosilicon polymer, a cross-linking agent, a catalyst, a pore forming agent and a solvent according to a ratio, and stirring until complete dissolution to prepare a membrane casting solution; coating the surface of a membrane treated by an irradiation technology with the membrane casting solution by using a blade coating machine to form a coated membrane; and drying the coating film to obtain the waterproof breathable film. The structure of the base film and the coating is adopted, so that the overall structural strength is improved, and the membrane can be placed under certain water pressure. The pore diameter and the pore density of the base membrane can be regulated and controlled, a pore-foaming agent is added into the coating, and the overall air permeability of the waterproof and breathable membrane can be flexibly regulated and controlled according to requirements. The organosilicon polymer and the cross-linking agent in the coating enhance the hydrophobicity, the mechanical strength and the durability of the coating. The waterproof breathable film prepared by the invention adopts fluorine-free substances. The waterproof breathable film prepared by the invention has a good application prospect in the field of electronic products.

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.

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.

Provided is a coating composition capable of forming a coating film layer, which has low coefficient of linear expansion at low dielectricity, excellent adhesive properties even when the surface of a counterpart material is smooth, and few coating film defects such as cracks and holes. A coating composition including 2 or more kinds of fluororesin emulsions, wherein at least 1 kind of the fluororesin, a fluororesin (I), has a number of functional groups of 30 to 1,000 per 106 main-chain carbon atoms, and the coating composition further includes an anisotropic filler, a surfactant, and a liquid medium.

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.

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.

To provide a positive dry film resist that excels in reproducibility of etching patterns and laminating capability onto a substrate, ensures high compatibility of components contained in a photosensitive resist layer, and prevents the occurrence of separation or deposition of components in the coating film.SOLUTION: A dry film resist has a support film (A). On the support film (A), disposed are a resol-modified xylene formaldehyde resin (b) at least containing a constitutional unit (I) represented by the general formula (1) and a specific constitutional unit (II), and a positive photosensitive resist layer (C) containing quinonediazide sulfonate (c). (In the general formula (1), X independently represent -CH2- or -CH2-O-CH2-. If the resin (b) contains a plurality of constitutional units (II), the moieties m in each constitutional unit (II) may be the same or different).SELECTED DRAWING: None

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.

The invention discloses a high-adhesion water-based paint and a preparation method thereof, and belongs to the technical field of water-based paints. Comprising the following steps: mixing and dissolving catechol modified acrylic acid of which the end group is amino, a flexible ester monomer, aldehyde olefin and an organic solvent, adding a free radical initiator, and heating for reaction to obtain a modified polyacrylic acid mixture; mixing, stirring and emulsifying the modified polyacrylic acid mixture, an organic silicon flatting agent solution, a compound emulsifier and deionized water to obtain the water-based paint with strong adhesive force. According to the bionics principle, a catechol derivative is introduced into an acrylic monomer, and strong adhesion to an automobile base material is realized through a polymer net structure formed by strong hydrogen bond crosslinking, metal coordination and other actions of the catechol derivative; and amino groups and aldehyde groups on the modified polyacrylic acid polymer can be crosslinked to form a dynamic imine structure, so that the high-temperature resistance of a coating film formed after the coating is coated is improved, and the functions of self-repairing and strong adhesion are realized.

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.

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.

To provide a curable composition excellent in curability and capable of achieving both hardness and flexibility of a cured coating film obtained therefrom.SOLUTION: The curable composition contains the following component (A): a reaction product of an organic polyisocyanate (a1) having an odd number of methylene group structures and at least one (meth)acrylate (a2) having one or more hydroxyl groups and an acrylic equivalent of 50-200 g / eq.SELECTED DRAWING: None

The present invention relates to a recycling process for recovering a metal from a catalyst coated membrane comprising a fluorocarbon-containing ionomer membrane and at least one catalyst coating comprising the metal. The present invention further relates to a process for preparing a catalyst coated membrane from the metal recovered according to the recycling process of the present invention.