6results about How to "Adhesive" patented technology

The application belongs to the field of paint, and particularly discloses PU white primer, a preparation method and application thereof. The PU white primer comprises A component, B component and C component. The A component comprises hydroxyl acrylic acid resin, castor oil, dispersing agent, defoaming agent, cyclohexanone, silicon dioxide, titanium white powder, talcum powder, calcium carbonate, butyl acetate, leveling agent, organic tin and propylene glycol methyl ether acetate. The B component comprises butyl acetate, HDI trimer and isocyanate prepolymer. The C component comprises dimethylbenzene, butyl acetate, propylene glycol methyl ether acetate and dimethyl carbonate. The PU white primer has the advantages of water resistance, high temperature resistance, adhesion, adhesion, hiding power and strong flexibility, and has superior comprehensive performance, is green and safe, low in cost, and is very suitable for being used as wood and stone surface primer in kitchens, bathrooms and the like.

This invention provides a polyacrylate binder for lithium-ion battery separator coating and its preparation method, relating to the field of lithium-ion battery materials technology. The binder comprises emulsion particles with a core-shell structure, prepared by soap-free emulsion polymerization. The soap-free emulsion includes functional monomers, hard monomers, soft monomers, rigid monomers, and post-crosslinking monomers. The core-shell structure includes a core layer, an intermediate layer, and an outer layer. The core layer is copolymerized from hard monomers and functional monomers; the intermediate layer is copolymerized from functional monomers, soft monomers, and rigid monomers; and the outer layer is copolymerized from hard monomers, soft monomers, and functional monomers. This invention, through its three-layer core-shell structure design, achieves a unified approach to separator base film adhesion, prevents re-adhesion during high-temperature transportation, ensures good adhesion to positive and negative electrode sheets under room temperature cold pressing, and provides excellent electrolyte resistance, thus solving the technical problems commonly found in existing PMMA coating processes.

The application discloses a kind of image velocimetry system for blood vessel, the method for blood vessel pathological change risk assessment, blood vessel detection device-nanoparticle composition and its application, it is related to image processing field, the system includes: targeted visualization nanoparticle administration unit, double-ring scanning optical probe, CMOS imaging device, image acquisition and double-domain correlation processing module, coupling mechanics parameter calculation module.The application utilizes double-ring scanning optical probe to combine external CMOS imaging device, realizes the efficient transceiving and transmission of nanoparticle fluorescence signal;By performing digital image correlation and microscopic particle image velocimetry on image sequence, finally obtain the time synchronization data of blood vessel wall deformation, near-wall blood flow velocity and shear stress and other mechanical parameters, and based on this, the assessment and early warning of blood vessel pathological change risk are carried out.

This invention discloses a galvanized steel sheet with good adhesion to an electron beam-cured coating, comprising a galvanized steel sheet, at least one surface of which has a composite coating. The composite coating contains the following effective components: an aqueous cationic polymer resin A, comprising 45-75 parts by weight; a compounded organosilane coupling agent B, comprising 15-45 parts by weight; the compounded organosilane coupling agent B is formed by the mixed hydrolysis and condensation of at least one organosilane coupling agent B1 containing an epoxy functional group and at least one organosilane coupling agent B2 containing an amino functional group; a silane coupling agent C containing unsaturated bonds, comprising 3-10 parts by weight; a water-soluble fluorine-containing compound D, wherein the fluorine element comprises 1.5-5 parts by weight; and a water-soluble phosphorus-containing compound E, wherein the phosphorus element comprises 2-5 parts by weight. This invention also discloses a surface treatment agent for galvanized steel sheets and a method for manufacturing a galvanized steel sheet with good adhesion to an electron beam-cured coating.

This invention belongs to the field of inorganic nanoparticle preparation technology, and relates to a ball milling modification method for bifunctionalized thin-layer hexagonal boron nitride: Hexagonal boron nitride powder, guanidine hydrochloride, and urea are continuously heated and stirred to obtain a homogeneous mixture of a eutectic solvent formed by guanidine hydrochloride and urea and the hexagonal boron nitride powder; this mixture is poured into a ball mill jar containing grinding balls and a liner, and a certain amount of ethanol and water are added as dispersants for high-energy ball milling; after the material is separated from the grinding balls, the milled material is vacuum filtered, dried, and the resulting powder is dispersed in water, then ultrasonicated, allowed to stand, vacuum filtered, and dried to obtain bifunctionalized thin-layer hexagonal boron nitride. This invention not only has the advantages of readily available raw materials and simple process, but also high efficiency, environmental friendliness, and low energy consumption. The hexagonal boron nitride obtained by this method has thinner layers, good biocompatibility, low relative density, and good thermal conductivity.

This invention relates to the field of battery technology, specifically to a battery. The battery includes a positive electrode, a negative electrode, and a separator. The positive electrode includes a positive current collector and a positive active material layer. The positive active material layer includes a three-dimensional network framework and positive active material located within the three-dimensional network framework. The three-dimensional network framework is formed by a conductive binder, which includes carbon nanotubes and an adhesive layer. Along the thickness direction of the positive active material layer, the positive active material layer includes a first surface away from the positive current collector, and the conductive binder is distributed on the surface of the first surface. The separator includes a carrier layer and a coating layer. The coating layer adjacent to the first surface of the positive electrode is a first coating layer. The proportion W of the projected area of ​​the first coating layer on the surface of the carrier layer in the surface area of ​​the carrier layer is 5%-65%. The battery of this invention has high interfacial adhesion between the separator and the positive electrode, which can maintain good adhesion during cycling, improving the cycle performance of the battery.