19 results about "Resin bonding" patented technology

The present application can obtain a metal-resin bonded body having a high bonding strength while maintaining the shape of a synthetic resin member that is pre-formed into a prescribed shape. In a method of manufacturing a metal-resin bonded body 30 obtained by bonding a metal member 20 and a synthetic resin member 10, the following processes are performed: a first process of bringing a metal bonding surface 22 heated to a first temperature T1 and a resin bonding surface 12 into contact and pressing the metal member 20 and the synthetic resin member 10 with a first pressure P1; and a second process of pressing the metal member 20 and the synthetic resin member 10 with a second pressure P2 higher than the first pressure P1 at a second temperature T2 lower than the first temperature T1.

This invention discloses a wet-process carbon fiber paper-based composite friction material and its preparation method, belonging to the field of friction material technology. The material, by mass percentage, comprises 30%-50% reinforcing fiber skeleton, 25%-40% resin bonding matrix, 5%-15% functional filler, and the remainder being process aids and pores. The reinforcing fiber skeleton is composed of surface-modified carbon fibers and at least one hybrid high-performance fiber. The key to its preparation method lies in employing a programmed hot-pressing curing process including a "pressure reduction-heating" stage. By precisely controlling the balance between resin viscosity, foaming gas pressure, and curing rate, a multi-level porous structure characterized by low-torsion through-holes is constructed in situ within the material. This invention effectively solves the problems of rapid thermal decay of the friction coefficient and high wear rate caused by weak interfacial bonding and uncontrollable pore structure in traditional paper-based friction materials, achieving a synergistic improvement in high and stable friction performance, excellent wear resistance, and heat resistance, making it suitable for high-end wet transmission systems.

This invention provides a method for preparing a mica insulating sheet for lithium-ion batteries without an aluminum metal layer, relating to the technical field of electrical insulation materials and insulating component molding / manufacturing processes. The method includes: S1. providing a sheet-like mica substrate and preparing an organosilicon resin bonding system for impregnation; simultaneously preparing a ceramic barrier slurry for surface layering, wherein the ceramic barrier slurry includes silica sol, zirconium oxide sol, and titanium dioxide. This method for preparing a mica insulating sheet for lithium-ion batteries without an aluminum metal layer utilizes a ceramic barrier system constructed from Si sol + Zr sol + titanium dioxide, avoiding the existing technology's reliance on an aluminum reflective layer in the process path. This allows the lithium-ion battery insulating material to meet heat resistance and insulation requirements while achieving aluminum-free insulation, improving its application compatibility between cells and between cells and the casing.

The present application relates to an insulating boom and a preparation method therefor, and further relates to an aerial platform truck comprising the insulating boom. The insulating boom comprises an insulating boom body, the insulating boom body comprises fibers and resin, the fibers comprise basalt fibers and glass fibers, and filaments of the fibers are bonded by the resin. The insulating boom has high rigidity and high insulation properties and can maintain a high insulation effect after exposure to rain, thereby effectively improving the reliability of equipment in complex environments.

The utility model relates to the technical field of silicone resin adhesive production, especially a kind of automatic feeding equipment for silicone resin adhesive production, it include: fixed platform, the fixed platform upper end fixed mounting has material cylinder, the fixed platform is opened with notch, the notch is slidably connected with pouring box, the notch is opened with opening, the opening fixed mounting has pouring pipe, the fixed platform is fixedly installed with rotating electrical machine, the output shaft of rotating electrical machine is fixedly installed with threaded rod, the pouring box is screwed on threaded rod, the pouring box is rotatably installed with baffle, the baffle one end is fixedly installed with spur gear one on, the fixed platform is fixedly installed with rack, spur gear one is engaged with rack. The utility model can complete the automatic feeding of the production raw material of silicone resin adhesive, and can carry out ration feeding, so that the proportioning stability of production raw material can be guaranteed.

The application discloses an agglomerated diamond accumulation composite material, a diamond accumulation sand disc and a preparation method thereof, and relates to the technical field of precision grinding and surface treatment of superhard materials. The application performs surface modification on the diamond by using a silane coupling agent, and combines the diamond with a resin bonding agent, and adds inorganic oxides such as zirconium oxide, aluminum oxide and silicon carbide, so that a high-strength diamond composite material is prepared through high-temperature sintering, the compression strength of the composite particles and the interface bonding density are significantly improved, the composite particles are closely arranged and the structure is stable during dry grinding and wet grinding, the self-sharpening property is strong, the composite particles are resistant to high temperature and do not creep, the interface of the abrasive tool substrate is treated by using the silane coupling agent, the high-strength bonding force between the resin bonding agent, the composite particles and the substrate is effectively enhanced, the finished diamond coated abrasive tool is free of flying pieces, flying filaments, particle dropping, delamination under the condition of high-speed rotation, and the comprehensive performance of the product is significantly better than that of the products on the market.

The application provides a continuous fiber / hollow microsphere thermoplastic sandwich panel and a preparation method thereof, and belongs to the technical field of composite material forming, and aims to solve the lightweight and shear reinforcement technical problems of resin fiber composite materials. The continuous fiber / hollow microsphere sandwich panel comprises upper and lower fiber fabric layers and a hollow microsphere layer in the middle, and is filled with a resin bonding phase between and inside the layers. The preparation method comprises the following steps: sequentially laying fiber I, hollow microspheres and fiber II on a mold; sealing the mold; guiding a resin solution to the mold through a high-pressure or vacuum pouring process and solidifying; and taking out the mold to obtain the continuous fiber / hollow microsphere sandwich panel. The resin solution comprises PMMA, MMA and an initiator. The forming process of the application is simple, the cost is low, and the hollow microspheres can be uniformly distributed in the sandwich panel layer. The sandwich panel has excellent mechanical properties and good heat preservation effect.

The application discloses a kind of ultra-low profile RTF copper foil surface treatment processes, comprising the following steps: S1, select the RTF copper foil green foil with roughness Ra≤0.15 μm, roughness Rz≤2.5 μm of smooth surface as base material;S2, the base material in step S1 is sequentially subjected to micro-etching pretreatment, copper tumor layer generation processing, composite heat-resistant layer generation processing, oxidation prevention layer generation processing, coupling layer generation processing;S3, the base material after being treated in step S2 is subjected to drying treatment, and the finished product is obtained after drying.The process in the application adopts micro-etching, tumor, heat resistance, oxidation prevention, organic end-capping treatment process, saves intermediate water washing standing process, can avoid copper foil secondary oxidation, improve the heat resistance, oxidation resistance and resin bonding force of copper foil, the electrolyte used for tumor treatment can form ultra-fine, uniform copper tumor layer on copper foil, realize the ultra-low profile of copper foil.

This utility model discloses a corrosion-resistant pipeline for bromine transportation, comprising a metal cladding layer, a carbon steel structural layer, an epoxy resin bonding layer, and a PTFE inner lining layer. The inner side of the metal cladding layer is bonded to the outer wall of the carbon steel structural layer, and the inner side of the carbon steel structural layer is connected and fixed to the outer wall of the PTFE inner lining layer through the epoxy resin bonding layer. A side plate is fixed to the outer side of the metal cladding layer, and a reinforcing plate is fixed to the top edge of the side plate. A stabilizing hole is formed at the end of the reinforcing plate, and a vertical threaded rod is installed through the stabilizing hole. A locking nut is installed on the vertical threaded rod, and a base plate is fixed to the bottom end of the vertical threaded rod. This corrosion-resistant pipeline for bromine transportation adopts a novel structural design, which not only enhances the overall structural strength of the corrosion-resistant pipeline but also incorporates a height-adjustable support and positioning structure to support and position the pipeline, prevent pipeline deformation, and adapt to different ground environments, thus improving the overall applicability of the device.

The application discloses a composite film material for a circuit board process, a preparation method of the composite film material, and a circuit board selective hole plugging method. The composite film material comprises a metal layer, a photosensitive layer arranged on a first surface of the metal layer, and a resin bonding layer arranged on a second surface of the metal layer. The resin bonding layer comprises an alkali-soluble resin and is used for bonding with the circuit board. The application uses the strong support of the metal layer and a specific formula design of the resin bonding layer to ensure that the film material can be cleaned and removed without residues by an alkaline solvent after experiencing an extreme heat process of 150 DEG C to 220 DEG C, and the yield and surface flatness of a selective hole plugging process of a high thickness-diameter ratio circuit board are significantly improved.

The application discloses a kind of concrete self-repairing admixture and preparation method thereof, belong to concrete repair material technical field.The method is prepared first by PEG-PLA soft template method silica-polymer interpenetrating network composite porous material, then active mineral repair powder is prepared by mixing ball milling of metakaolin, anhydrous gypsum, slag powder, finally composite porous material, active mineral repair powder and water-based epoxy resin, ethylene glycol are high-speed stirred and compounded, and self-repairing admixture is prepared.Nanopore of composite porous material can realize the stable loading and uniform dispersion of repair component, and the admixture has dual repair mechanism of resin bonding and mineral filling.The application solves the problem of poor dispersibility of traditional materials, ensures the mechanical properties of concrete, improves the crack repair efficiency and durability, has simple preparation process, controllable cost, is suitable for large-scale production, and has significant engineering application value.

The utility model provides an anchor rod butt joint device based on glue pouring connection, which comprises a connecting sleeve, and a connecting threaded cavity and a butt joint insertion cavity which are coaxially arranged are arranged in the connecting sleeve; the connecting threaded cavity is in threaded connection with a connecting section at the end part of the steel bar anchor rod; the butt joint inserting cavity is connected with one end of a fiber anchor rod in an inserted mode, and the inner diameter of the butt joint inserting cavity is larger than the diameter of the fiber anchor rod so that a glue pouring cavity can be formed. An annular fastening clamping groove is formed in the side wall of the annular face of the fiber anchor rod. The connecting sleeve is provided with a fastening assembly penetrating in the radial direction, and the end of the fastening assembly can be clamped into the annular fastening clamping groove to lock the fiber anchor rod. According to the utility model, the fiber anchor rod is fixedly connected through the epoxy resin glue and the fastening assembly, so that the connection is firm and reliable; and through matched use of the connecting threaded cavities and the threaded connecting sections at the ends of the steel bar anchor rods, the steel bar anchor rod connecting device is convenient to mount and dismount, sectional transportation, field assembly and connection of the steel bar anchor rods with different lengths are facilitated, and the construction efficiency is improved.

The application provides a high-permeability low-loss iron-based nanocrystalline magnetic powder core and a preparation method thereof. The preparation method of the nanocrystalline magnetic powder core comprises the following steps: dispersing a resin bonding agent in acetone, adding an iron-based amorphous powder, and stirring until the acetone is completely volatilized; adding a release agent after granulation and drying, and obtaining an amorphous magnetic powder core after pressing and curing; the molecular formula of the iron-based amorphous powder is Fe a Si b B c Cu d Nb e M f M is a combination of two or three of metal elements Mn, V and C; and the obtained amorphous magnetic powder core is subjected to vacuum annealing treatment to obtain a nanocrystalline magnetic powder core. The obtained iron-based nanocrystalline magnetic powder core can simultaneously improve the permeability and reduce the loss by optimizing the components, and the comprehensive performance is improved; the optimized components can improve the stability and reliability of the magnetic powder core, so that the magnetic performance of the magnetic powder core can be maintained stable in a long-term use process.

The utility model discloses a kind of lightweight high-strength composite fiber curtain wall keel, belong to building curtain wall structure technical field.The keel includes composite fiber keel, its section is rectangular hollow structure, from inside to outside in turn is lightweight core layer, interface bonding layer and fiber reinforced composite material outer layer;Composite fiber keel side is connected with aluminum alloy base by mortise and tenon structure and self-tapping screw, aluminum alloy base is assembled with connecting piece, trim strip base by mortise and tenon and hexagon bolt, end detachable installation aluminum alloy decorative strip cover plate, steel glass is equipped in the gap between base and trim strip base, keel lower part side wall is fixed galvanized angle steel.Outer layer can select carbon fiber and other fiber materials, core layer is polyurethane foam or honeycomb aluminum, interface layer is nano SiO2 modified epoxy resin bonding layer.The utility model realizes lightweight and high-strength combination by composite structure design, modular connection promotes installation efficiency by more than 50%, with excellent weather resistance, suitable for high-rise building, large-span and energy-saving curtain wall scene.

This application provides a method for manufacturing a high-pressure resistant water storage container and the high-pressure resistant water storage container itself, relating to the field of storage container technology. The manufacturing method includes: preparing an impregnated fiber layer; attaching the impregnated fiber layer to the outer surface of a molding core and pre-curing it to form a composite preform; fitting the composite preform onto the outside of a thermoplastic resin shell to form a resin bonding layer; rotary curing to form a container body; installing end connection components at both ends of the container body, and installing a pressure measuring component at at least one end. The high-pressure resistant water storage container includes a container body, end connection components disposed at both ends of the container body, and a pressure measuring component disposed at at least one end; the container body includes a thermoplastic resin shell, a composite reinforcing layer fitted onto the outside of the thermoplastic resin shell, and a resin bonding layer located between the two. This application has the advantages of high pressure resistance, good sealing performance, and high service stability.

This invention discloses a composite additive manufacturing system and method combining resin and continuous fibers, aiming to solve the technical problems of easy fiber breakage, springback, slow nozzle switching, and weak fiber-resin bonding in traditional composite additive manufacturing. The system includes an inverted T-shaped bracket, a first slide, a second slide, a resin extrusion device, a continuous fiber extrusion device, and a filament cutting mechanism. The first and second slides, vertically mounted on the inverted T-shaped bracket, can move synchronously in opposite directions, enabling rapid switching between dual nozzles. The continuous fiber extrusion device is equipped with an elastic pressure regulating structure and a filament reverse check mechanism, using a passive traction method to output continuous fiber filaments. The filament cutting mechanism uses a first and second micro linear slide to drive pneumatic shears for precise filament cutting. This invention, through structural optimization, improves printing efficiency and stability, enhances the mechanical properties of printed components, and achieves equipment safety protection, making it suitable for 3D printing high-performance load-bearing components.