13results about How to "Effective bonding" patented technology

A durable composite anticorrosive coating for a concrete structure of a road in a cold region belongs to the technical field of building materials, and adopts the specific scheme that the composite anticorrosive coating comprises an inner coating and an outer coating, the inner coating is coated on a concrete base surface, the outer coating is coated on the inner coating, and the outer coating is coated on the outer coating. The inner coating is a single-component epoxy resin interface bonding layer, and the outer coating is a single-component MMA resin sand-containing anti-corrosion layer. Through the composite structure design of the epoxy resin interface bonding layer and the MMA resin sand-containing anti-corrosion layer, the advantages of high permeability and strong bonding characteristics of epoxy resin and the advantages of rapid curing, high wear resistance, wide temperature range (still keeping toughness at-40 DEG C) and good weather resistance of MMA resin are fully played, and the efficient and lasting protection effect is achieved.

The present application belongs to the technical field of glass fiber sizing agent, and particularly relates to an anti-creep glass fiber sizing agent and a preparation method thereof. The anti-creep glass fiber sizing agent comprises effective components and water, and the solid content of the anti-creep glass fiber sizing agent is 3-12%. The effective components comprise the following components according to weight percentage: maleic anhydride modified long-chain branched polyolefin wax 65.5-86.9 wt.%, coupling agent 5-10 wt.%, nucleating agent 1-8 wt.%, physical cross-linking component 5-12 wt.%, initiator 0.1-0.5 wt.%, and surfactant 2-4 wt.%. The present application can effectively solve the problem of insufficient anti-creep ability of the glass fiber reinforced polypropylene material in the prior art, and at the same time, the material has good mechanical properties and fatigue resistance, which plays an important role in improving the long-term dimensional stability of the polypropylene material.

The utility model relates to the technical field of heat-conducting silica gel sheets, in particular to a combined heat-conducting silica gel sheet with an embedded heat-conducting structure, which comprises a heat-conducting silica gel sheet, a pipe groove is arranged on the top surface of the heat-conducting silica gel sheet, a heat-conducting pipe is arranged in the pipe groove, two sides of the bottom of the heat-conducting silica gel sheet are respectively provided with a bottom split sheet, and the bottom split sheets are arranged in the pipe groove. H-shaped release paper is fixedly adhered to the lower part of the heat-conducting silica gel sheet, and an upper release unit is fixedly adhered to the top surface of the heat-conducting silica gel sheet. According to the utility model, after the heat-conducting silica gel sheet is rigidly supported by the lower release paper and transferred to a designated position, pre-bonding is carried out by utilizing the viscosity of the bottom edge of the heat-conducting silica gel sheet, then the lower release paper is dragged to drive the metal sheet to be separated from the heat-conducting silica gel sheet, and then bonding is carried out from the middle part, so that effective bonding of the bottom is realized; and the influence of deformation in the bonding process on the heat conduction pipe can be reduced, so that the heat conduction pipe is effectively protected.

The application provides a monolithic adsorbent based on 3D printing technology. The application selects halloysite nanotubes and hydroxypropyl methyl cellulose as binders. The halloysite nanotubes have excellent high-temperature resistance, hardness and durability, and chemical stability, and can meet the application requirements of the catalyst under high-temperature complex working conditions, so that the catalyst structure remains mechanical stability. The hydroxypropyl methyl cellulose has processability and plasticity, and can help to print complex shapes and structures. The super strong bonding force and interlayer adhesion can effectively bond the printing materials, ensure the firmness and stability of the interlayer adhesion in the printing process, and help to reduce the distortion and deformation in the printing process. The monolithic passive NO x adsorbent provided by the application has a simple and feasible preparation method, is a non-noble metal adsorbent with economic benefits, and can be connected in series with a downstream SCR treatment unit to realize ultra-low emission in the NOx cold start stage.

This invention discloses a biomass-based energy-absorbing buffer panel, its preparation method, and its application. The biomass-based energy-absorbing buffer panel comprises an energy-absorbing layer, carbon fiber reinforcement layers located on both sides of the energy-absorbing layer, and an adhesive layer between the energy-absorbing layer and the carbon fiber reinforcement layers; the energy-absorbing layer contains biomass polyurethane, and the carbon fiber reinforcement layers contain carbon fibers and furan-based polyester. This biomass-based energy-absorbing buffer panel exhibits excellent cushioning effect and mechanical properties, and is environmentally friendly.

The application discloses a special dust-settling agent under a tunnel construction environment and a preparation method thereof. The application relates to the field of dust-settling agent preparation under a tunnel construction environment, and solves the problems of high preparation cost, difficulty in large-scale production and limited dust-settling performance of the existing dust-settling agent preparation method. In the application, polyvinyl alcohol, guar gum and itaconic acid are subjected to graft copolymerization reaction under nitrogen protection at 60 DEG C-70 DEG C, N,N'-methylene bisacrylamide crosslinking agent is added to form a chemical crosslinking network, and then the chemical crosslinking network is compounded with a surfactant to obtain the dust-settling agent. The dust-settling agent does not need low-temperature freezing and thawing treatment, can significantly reduce equipment energy consumption and production cost, is convenient for industrialized production, has good film-forming property, moderate viscosity and long water-retention duration, and can efficiently inhibit diffusion of dust generated in tunnel construction.

The application discloses an in-situ conveying device for lifting and turning multi-size samples, which comprises a conveying frame, two moving frames, a lifting and turning device and a lifting device, the two moving frames are arranged inside two sides of the conveying frame and move along the conveying direction of the conveying frame, two ends of the lifting and turning device are connected to the two moving frames and can move up and down along the moving frames, and the lifting device is connected to the rear of the conveying frame and can move up and down. The application also provides an in-situ conveying method for lifting and turning multi-size samples. The application is used for in-situ adhering, packaging and conveying of two or more multi-size and multi-specification samples after special surface installation of special materials such as sandwich layers, and has the characteristics of high work efficiency, convenient operation and keeping the adhering surface of the samples consistent with the field conditions.

This utility model discloses a screen structure and a high-gain white screen, belonging to the field of projection display technology. The screen structure includes two substrate layers, with a barrier layer bonded between the two substrate layers via an adhesive layer. The substrate layers, adhesive layer, and barrier layer have different refractive indices. The high-gain white screen includes a protective layer, a diffusion layer, and the aforementioned screen structure, arranged sequentially from the incident surface to the back surface. By utilizing the difference in refractive indices between the substrate layer, adhesive layer, and barrier layer, an optical effect similar to mother-of-pearl is created, reducing light penetration and enhancing light reflection and scattering. This improves detail rendering, reduces the loss of dark areas, enhances resistance to external light interference, reduces contrast, reduces color saturation distortion, reduces light loss during propagation, improves overall brightness uniformity, ensures full presentation of high-resolution signal details, and is compatible with more projection devices.

This invention relates to the field of battery technology, specifically providing a dry-process lithium replenishment equipment to address the high risk associated with existing lithium replenishment equipment. To this end, the dry-process lithium replenishment equipment of this invention includes a feeding device, a film processing roller mechanism, a first spraying mechanism, a second spraying mechanism, and a film composite roller mechanism. The film processing roller mechanism can form a first film and a second film from the negative electrode fibrous active material. The first and second spraying mechanisms can spray an adhesive and inert lithium powder onto the surfaces of the two films, which are then composited by the film composite roller mechanism to form a lithium-containing film. This configuration allows the lithium replenishment equipment of this invention to form a lithium-containing film from the negative electrode fibrous active material and inert lithium powder. In practical applications, the lithium-containing film is then adhered to the negative electrode current collector to form a lithium-replenishing electrode sheet. This results in low risk and high efficiency in lithium replenishment. The lithium powder layer is sandwiched between the two films, thus providing effective protection for the lithium powder layer.

The invention relates to an oxygenation plasma surface bonding method based on microfluidics. The silicon wafer and the PDMS substrate are subjected to plasma cleaning under the specific vacuum degree, silanization modification on the surface of the silicon wafer is achieved, and effective bonding can be formed between the silicon wafer and the PDMS substrate; meanwhile, hot plate heating and oven baking treatment are combined, the silicon wafer and the PDMS substrate which are subjected to plasma treatment and attached are cooperatively heated in all directions, the bonding effect is further improved, and therefore the bonding strength and the yield are remarkably improved under the non-ultra-clean room condition. The bonding method does not need to be carried out under an ultra-clean room condition, has the advantages of low cost, high bonding performance and high yield, and is beneficial to large-scale production.

The utility model discloses a disc-shaped suspension type glass insulator, and belongs to the technical field of glass insulators. Comprising a glass insulating part, a steel pin and a steel cap, the glass insulating part comprises a first glass insulating part, a second glass insulating part, a bonding layer arranged between the first glass insulating part and the second glass insulating part, hollow arc-shaped plates jointly arranged on the edges of the two opposite sides of the first glass insulating part and the second glass insulating part in a sleeving mode, and a connecting assembly for connecting the two hollow arc-shaped plates. And through the arrangement of the bonding layer, fragments can be effectively bonded when the glass insulator is broken, the situation that the fragments are scattered everywhere to injure workers is avoided, and the safety of the glass insulator is effectively improved. The edges of the two opposite sides of the first glass insulating part and the second glass insulating part are each sleeved with one hollow arc-shaped plate, and the connecting assembly for connecting the two hollow arc-shaped plates is arranged, so that the first glass insulating part and the second glass insulating part can be fixed, and it is ensured that high tensile resistance is kept.

The utility model provides a rolling type rubber coating machine for a tire piece, which relates to the technical field of tire production equipment and comprises a rolling type rubber coating machine assembly, a mounting assembly and a cleaning assembly are arranged on the rolling type rubber coating machine assembly, the rolling type rubber coating machine assembly comprises a processing table and a mounting frame, and cylinders are symmetrically mounted at the top of the mounting frame. The spring is stressed and compressed by pulling the pull rod upwards, then the sliding frame is installed on the outer side of the installation block in a sliding mode, after the sliding frame moves to a proper position, the pull rod is loosened to enable the spring to extend, then one end of the pull rod is driven to be arranged in the limiting groove, limiting is facilitated, operation is convenient and fast, and tools are not needed for operation; compared with the prior art, the rubber covered roller is convenient to mount and dismount, so that the rubber covered roller is convenient to maintain and replace, the maintenance time is shortened, the labor cost is reduced, the maintenance efficiency is improved, meanwhile, the equipment shutdown waiting time is shortened, and the working efficiency is improved.

The invention relates to the technical field of waterproof mortar, in particular to shrinkage-free high-ductility waterproof repair mortar and a preparation method thereof. The shrinkage-free high-ductility waterproof repair mortar comprises a high-ductility functional system and a controllable early strength system, and the high-ductility functional system comprises modified sisal fibers, anhydrous calcium sulfate, an ethylene-vinyl acetate copolymer, an amorphous active silicon material, a defoaming agent, lithium carbonate, cellulose ether, a thixotropic agent, L-tartaric acid and sodium gluconate. The controllable early strength system comprises ordinary Portland cement, rapid hardening type sulphoaluminate cement, 20-40-mesh river sand and 40-70-mesh river sand. The high-ductility functional system and the controllable early-strength system form the high-ductility shrinkage-free waterproof repair mortar through a specific preparation mode, the controllable early-strength system can rapidly repair a damaged structure, effective bonding can be achieved in adverse environments such as damp and vertical faces, the system is kept cracked and not damaged when being damaged by external force, and leakage can be effectively stopped.