50results about How to "Effective bonding" patented technology

The invention discloses a maintenance and reinforcement method for improving the bearing capacity of a beam bridge, and belongs to the technical field of bridge reinforcement. The maintenance and reinforcement method for improving the bearing capacity of the beam type bridge comprises the steps that a prestressed carbon fiber plate is tensioned on a bottom plate of a beam body so as to improve the flexural capacity of the beam body; a plurality of inclined steel plates are fixed to the web shearing and bending section of the beam body in the longitudinal direction of the beam body so as to improve the shear bearing capacity of the beam body; the prestressed carbon fiber plate is arranged in the longitudinal direction of the beam body, and the tensioned prestressed carbon fiber plate is bonded with a bottom plate of the beam body; a certain included angle is formed between each inclined steel plate and the longitudinal direction of the beam body; first steel pressing strips are distributed on the multiple inclined steel plates, the first steel pressing strips are arranged in the longitudinal direction of the beam body and anchored to a web plate of the beam body, and the first steel pressing strips are used for pressing the multiple inclined steel plates to the web plate of the beam body. According to the reinforcing method for improving the bearing capacity of the beam bridge, the bending resistance and the shearing resistance of the existing beam bridge can be effectively improved, the reinforcing method is simple, and construction is convenient.

The present invention discloses an adhesive composition for fuel cells and a preparation method thereof, which relates to the technical field of fuel cells, and comprises a release layer I, a hot melt adhesive layer I, a hot melt adhesive layer II and a release layer II arranged in sequence; the hot melt adhesive layer I is an acid-modified polyolefin resin hot melt adhesive layer, and the hot melt adhesive layer II is a modified polyurethane resin hot melt adhesive layer. The single cell manufacturing process is simplified, the efficiency and yield are significantly improved, and the production efficiency is greatly improved. At the same time, only the adhesive layer is used during the battery packaging process, which effectively reduces the production cost.

The invention discloses automatic labeling equipment based on visual inspection, and relates to the technical field of automatic labeling, the automatic labeling equipment comprises a material conveying mechanism, the material conveying mechanism comprises a rack, and the rack is provided with a feeding conveying belt and a defective product conveying belt; the labeling mechanism comprises a buffer assembly, the bottom end of the buffer assembly is connected with a ventilation seat, and the bottom of the ventilation seat is in threaded connection with a labeling adsorption assembly; the spatial displacement mechanism is arranged on the rear side of the material conveying mechanism; and the detecting and pushing mechanism is arranged on the rear side of the conveying mechanism. The multiple light springs are embedded in the thickened sponge adsorption layer, the multiple light springs are matched with the thickened sponge adsorption layer to achieve the buffering effect, meanwhile, the multiple light springs support the thickened sponge adsorption layer, so that the thickened sponge adsorption layer can rapidly rebound, collapse of the thickened sponge adsorption layer is avoided, and the service life of the device is prolonged. And the service life is prolonged.

The invention relates to the technical field of epoxy coiled materials, in particular to an environment-friendly strippable seam filling agent as well as a preparation method and a use method thereof. The steric effect caused by-X groups in the polyaspartic acid polyurea resin is utilized, so that the reaction rate of the component A and the component B is controllable, and the adhesive force is moderate. On the basis, polyol alpha and polyol beta are introduced and compounded to improve a chain segment structure after the component A and the component B are reacted and cured, so that the cured chain segment structure has certain toughness. The prepared environment-friendly strippable seam filling agent has relatively low static viscosity and relatively high dynamic viscosity, can be used for filling a seam of an epoxy coiled material of 0.5-1mm, can be easily peeled off from a surface layer of the epoxy coiled material after the seam filling is finished, and can be effectively adhered to the side surface of the epoxy coiled material.

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 invention discloses a biomedical adhesive as well as a preparation method and application thereof, and belongs to the technical field of bio-based polymer adhesives and preparation thereof. The invention solves the problems of limited use shape and harsh storage conditions of the existing biomedical adhesive. In the polymerization process of lipoic acid and the adhesion enhancer, an NHS ester structure is dissociated in a system in the form of a monomer or introduced into a chain segment of a polymer through polymerization, and the preparation method has the advantages of high stability, good biocompatibility and no tissue toxicity, and can be implanted into a body or attached to a body surface wound. And the lipoic acid-NHS ester biomedical adhesive has the effects of isolating wounds, bonding and fixing tissues, helping the wounds to heal and repair and the like. The bonding performance of the biomedical adhesive cannot be attenuated along with the change of time, and the biomedical adhesive has good room-temperature storage stability and can effectively bond tissues for a long time; and the adhesive has high-strength adhesive property on various tissues and various polymer materials.

The invention relates to the technical field of soil improvement, and discloses a garden soil composite improver and a preparation method thereof. The soil composite improver comprises, by weight, 12-15 parts of fermented organic fertilizer, 9-20 parts of modified water-retaining adsorbent, 24-30 parts of biochar, 5-8 parts of plant ash, and 1.2-2 parts of a microbial mixture. The soil composite improver has good adsorption to heavy metal ions, can effectively remove heavy metal ions in the soil, and has excellent fertilizer and water retention, and can maintain the nutrients in the soil for a long time. It has excellent air permeability and water retention, can keep the soil loose and moist, improve soil compaction, improve soil air permeability and soil activity, provide necessary air and water for the growth of plant roots, and each component complements and promotes each other, synergizes and enhances efficiency, and can effectively improve the quality of garden soil.

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 utility model provides an electric connector, which comprises a shell with an installation cavity, a tubular shielding conductor inserted in the installation cavity, an insulator inserted in an inner cavity of the shielding conductor and provided with an insertion cavity, and a contact pin inserted in the insertion cavity, the pin and the shielding conductor are coaxially arranged, and the housing and the shielding conductor, the shielding conductor and the insulator, and the insulator and the pin are fixedly connected through glue injection. According to the electric connector provided by the utility model, the space among the parts can be filled by utilizing the fluidity of the glue, and the step positioning among the parts is combined, so that the parts can be bonded and fixed after the glue is cured, and the air tightness requirement can be met, thereby improving the sealing and isolating effects of the electric connector.

The invention belongs to the technical field of secondary batteries, and particularly relates to a detection adhesive tape as well as a preparation method and application thereof. The detection adhesive tape provided by the invention comprises a substrate and a color developing part, and the color developing part is arranged on at least part of the surface of one side of the substrate; wherein the color developing part is prepared from the following components in percentage by mass based on the total mass of the color developing part: 0 to 65 percent of a first matrix, 20 to 92 percent of a second matrix, 0.02 to 0.8 percent of a color developing agent and 1 to 30 percent of water. According to the invention, the detection adhesive tape can be tightly attached to a to-be-detected position, and is suitable for liquid leakage detection of various types of batteries; by limiting the water content of the color developing part, a small amount of water in the color developing part can react with lithium salt (such as lithium hexafluorophosphate) in the electrolyte to generate hydrogen fluoride and phosphoric acid, both the two acids can provide a large amount of H < + >, the reaction with the structure of a color developing agent molecule is accelerated, and the color developing sensitivity of the color developing part is improved.

The invention discloses wood fiber internally-reinforced polymer cement waterproof slurry and a preparation method thereof, and relates to the field of waterproof coatings. The coating comprises a liquid material and a powder material, the liquid material comprises a polymer emulsion, a functional auxiliary agent and a spiral hollow wood fiber solution; the powder material comprises rigid cement, heavy calcium carbonate and quartz sand; the application range of the rigid polymer cement-based waterproof slurry is widened, the parameter performance of the rigid polymer cement-based waterproof slurry is improved, and the waterproof safety is guaranteed.

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.

The invention belongs to the field of building waterproof materials, and discloses a self-adhesive modified asphalt building waterproof roll material, a preparation method and a construction method; the self-adhesive modified asphalt building waterproof roll material comprises a modified asphalt layer, an adhesive layer and an isolation protective film applied to the adhesive layer; wherein, the adhesive layer is pre-implanted with a polyurethane prepolymer in a butyl rubber self-adhesive layer, and during construction, a layer of dispersion liquid of amino-terminated polyether and liquid amine is pre-sprayed on a building base surface, so that while the butyl rubber is bonded, the polyurethane prepolymer quickly extends the chain with the amino-terminated polyether and liquid amine on the building base surface to form a polyurea layer, the polyurea has extremely strong hydrophobicity, is insensitive to environmental humidity, and can be normally constructed under extremely harsh environmental conditions, thereby effectively bonding the waterproof roll material to the building base surface without being affected by the water content of the base surface.

The invention relates to the technical field of LED light emitting, in particular to an LED light emitting device, which comprises a substrate, a plurality of blue light chips are uniformly arranged at the bottom of the groove; the plurality of purple light chips are arranged at the bottom of the groove and surround the plurality of blue light chips; the second fluorescent layer covers the surfaces of the plurality of purple light chips; the first fluorescent layer covers the surfaces of the second fluorescent layer and the plurality of blue light chips; and the first fluorescent layer and the second fluorescent layer are connected with the side wall of the groove through a connecting adhesive layer. According to the invention, the connecting glue layer is designed between the side wall of the groove and the fluorescent layer, so that the side wall of the groove and the fluorescent layer can be effectively bonded, and the peeling of the fluorescent layer caused by the influence of environmental factors such as cold and hot impact or moisture can be effectively reduced; the power density of the light-emitting device and the corresponding intensity of the light-emitting device are effectively guaranteed, eyesight can be protected, and the overall size is smaller.

The invention relates to a high-performance hard alloy holding-up hammer which is mainly prepared from the following raw materials in percentage by weight: 70-80% of tungsten carbide micro powder with the particle size of 0.8-3 microns, 15-25% of tungsten carbide micro powder with the particle size of 0.2-0.8 microns, 3-10% of metal cobalt powder, 0.1-0.6% of chromium carbide powder and 0-0.5% of carbon powder. The hard alloy holding-up hammer which is good in fracture toughness, high in hardness and large in bending strength is prepared under the conditions of high temperature and high pressure by optimizing the process proportion and utilizing spark plasma sintering equipment; the problems that an existing hard alloy holding-up hammer is poor in toughness, low in hardness, poor in bending resistance and the like are solved.

The invention provides a heat-conducting siloxane composition for semiconductor packaging, and belongs to the technical field of silicone rubber. Comprising the following components in parts by weight: 40 to 60 parts of organopolysiloxane A, 10 to 30 parts of organopolysiloxane B, 600 to 1000 parts of heat-conducting powder C, 5 to 50 parts of organopolysiloxane D, 0.05 to 5 parts of organopolysiloxane E, 0.1 to 2 parts of a catalyst F for catalyzing a hydrosilylation reaction and 0.1 to 2 parts of an inhibitor G. The siloxane composition has excellent mechanical and heat-conducting properties; according to the invention, the strain of the substrate can be resisted at a high temperature, pump-out and stripping are avoided, and redundant heat generated by the chip is efficiently transferred to the outside.

The utility model discloses an air conditioner filter edging bonding device which comprises a base, a positioning plate is arranged on the base, a plurality of long grooves are formed in the positioning plate at intervals, edging pressing plates are movably arranged on the two sides of the positioning plate respectively, each edging pressing plate comprises a base, and the base is provided with a plurality of long grooves. A pressing plate is hinged to the base through a hinge, and a containing groove is formed in the surface of the pressing plate, so that the pressing plate can be close to or away from the side edge of the positioning plate; the problems that according to an edge bonding device in the prior art, edge strips cannot be effectively and fully contacted and bonded with the two sides of filter paper due to the fact that the edge strips cannot be effectively and fully positioned, and bonding is not tight are solved.

The present invention discloses a sapphire composite substrate and a method for manufacturing the same. The composite substrate comprises a thinned sapphire substrate, a defect barrier layer disposed on the front of the thinned sapphire substrate, a thickening layer for preventing the thinned sapphire substrate from bending, and an adhesive layer for bonding the thickening layer to the back of the thinned sapphire substrate; the defect barrier layer is provided with a plurality of openings, the defect barrier layer is made of a transparent non-conductive material, the lattice of the transparent non-conductive material matches the lattice of the epitaxial layer, and the thickening layer is made of a thermally conductive material. The present invention forms a defect barrier layer with a plurality of openings on the thinned sapphire substrate, effectively reducing the dislocation density of the gallium nitride epitaxial material and reducing the lattice defects; the thickening layer is formed on the back of the thinned sapphire substrate, which can reduce the warping of the substrate.

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 invention relates to a polyurethane sealant for a power battery. The polyurethane sealant is prepared from the following components in parts by weight: 30 to 50 parts of self-made silicon modified diol, 10 to 20 parts of polyether diol, 10 to 20 parts of polyester diol, 12 to 25 parts of polyisocyanate and 4 to 8 parts of gaseous silicon. The polyurethane sealant prepared by the method provided by the invention has good high and low temperature resistance, has low storage modulus in a range of-30 DEG C to 60 DEG C, greatly reduces the occurrence of glue failure and other phenomena caused by temperature change, can form effective adhesion to different materials, and meets the requirement of no obvious strength attenuation for 1000 hours in a double-85 test; and the vehicle use requirements under most working conditions can be met.

The invention provides a high-performance OCA optical adhesive for bonding a curved screen and a preparation method thereof, which relates to the technical field of optical adhesives and is prepared from the following raw materials by weight: 40-60 parts of alkyl acrylate, 5-25 parts of polar acrylate, 0.1-4 parts of unsaturated double-bond functionalized POSS, 15-45 parts of high Tg acrylate, 0.05-1 parts of chain transfer agent, 0.01-1.5 parts of photoinitiator, 0.05-1 parts of crosslinking agent, and 0.01-0.8 parts of coupling agent. The OCA optical adhesive disclosed by the invention has excellent heat resistance stability, optical transparency and mechanical properties, good performance stability and long service life.

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 invention relates to a high-frequency copper-clad plate manufacturing method and a high-frequency copper-clad plate. The manufacturing method comprises the following steps: coating a glass fabric with glue; baking to obtain a bonding sheet; performing shearing; a flexible net film is prepared, the flexible net film is made of an insulating material, one side of the flexible net film is arranged to be a glossy surface, the other side of the flexible net film is provided with microstructures, the microstructures are evenly distributed, the flexible net film further comprises a plurality of micro-mesh holes, and the micro-mesh holes and the microstructures are evenly distributed and arranged in a staggered mode; laminating and combining to obtain a to-be-laminated product; and performing hot pressing on the to-be-pressed product to obtain the high-frequency copper-clad plate. According to the application, the flexible net film is prepared, and the glass fabric can be supported and limited through the microstructure of the flexible net film, so that the flexible net film can be flatly laid so as to be uniformly distributed, and the high-frequency signal transmission performance of the glass fabric-based double-sided copper-clad plate is guaranteed; and meanwhile, the influence of the arrangement of the flexible net film on the structural stability of the glass fabric-based double-sided copper-clad plate is reduced through the micro-meshes of the flexible net film.

The invention provides a preparation method of an antistatic high-temperature-resistant adhesive tape. The preparation method comprises the following steps: S1, carrying out hydrophilic treatment on one side of a polyimide film; s2, adding the silver nanowire-montmorillonite composite material into water, and uniformly dispersing the silver nanowire-montmorillonite composite material to obtain a silver nanowire-montmorillonite composite material dispersion liquid; s3, adding sodium carboxymethyl cellulose into water, and uniformly mixing and stirring to obtain a sodium carboxymethyl cellulose aqueous solution; s4, mixing the solution prepared in the step S2 and the solution prepared in the step S3, and then coating the hydrophilic side of the polyimide film with the mixed solution to obtain an antistatic high-temperature-resistant layer; and S5, adding copper chloride dihydrate into water, stirring and dissolving, adding water-borne epoxy resin and triethylene tetramine, uniformly mixing and stirring, and coating the outer side of the antistatic high-temperature-resistant layer to obtain the adhesive layer. The silver nanowires are uniformly dispersed and loaded on the surface of the stripped flaky montmorillonite to form a continuous conductive network, so that not only is the heat-conducting property of the flaky montmorillonite maintained, but also the conductivity of the flaky montmorillonite is improved.

The present invention provides a soft multi-layer plastic hose and a preparation method and application thereof, belonging to the technical field of plastic hoses. The present invention mixes thermoplastic polyolefin and high-density polyethylene in a mass ratio of 70:30, and extrude the mixture in a multi-layer co-extruder as the outer layer of the soft multi-layer plastic hose. The processing temperature of the outer layer is 180-200°C. Under a fixed ratio and temperature, the thermoplastic polyolefin and high-density polyethylene in the present invention have the best compatibility. The outer layer material prepared after blending has low gloss, low surface granularity, and is comfortable to touch, which is more suitable for the packaging requirements of high-end products.

The utility model relates to the technical field of road paving, in particular to a self-adhesive high-performance waterproof anti-crack sticker. The utility model relates to a self-adhesive high-performance waterproof anti-cracking paste which sequentially comprises an aluminized isolating membrane, a bonding layer, anti-cracking cloth and a PET (Polyethylene Terephthalate) isolating membrane from bottom to top. Under the condition that the high-tensile anti-cracking polyester glass fiber cloth is compounded with the aluminized isolating membrane and the PET isolating membrane, the quality and efficiency of the anti-cracking paste are improved, and the service life of a road is prolonged. According to the utility model, a double-layer laminating structure is adopted, the bonding layer has good bonding property, can be effectively bonded with the aluminized isolating membrane, and is low in temperature sensitivity, so that the seasonal construction time is prolonged.

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.

The present invention discloses a high temperature resistant hot melt adhesive film and a preparation method thereof, and relates to the technical field of fuel cell production. The high temperature resistant hot melt adhesive film comprises a release layer, a hot melt layer I, a toughening layer and a hot melt layer II arranged in sequence, wherein the toughening layer is respectively embedded in the hot melt layer I and the hot melt layer II; the release layer is one of a double-sided matte OPP film, a CPP film or a PP synthetic paper; the toughening layer is a thermoplastic nanofiber film prepared by an electrostatic spinning process. The high temperature resistant hot melt adhesive film of the present invention not only has high bonding strength, good sealing, low compression deformation and excellent stress buffering, but also uses a nanofiber membrane as a toughening layer to not only improve the stiffness of the hot melt adhesive film, but also facilitates product die cutting processing, and the nanofiber membrane impregnated in the hot melt layer can improve the peeling strength of the hot melt adhesive film at high temperature, avoiding the reduction of the bonding strength of the hot melt adhesive film at high temperature.

The invention relates to the technical field of reinforcing and repairing adhesives, and discloses a reinforcing and repairing adhesive for buildings and a preparation method thereof.The reinforcing and repairing adhesive for the buildings comprises a main agent, a curing agent, filler and a catalyst.The main agent is prepared from, by weight, 30-40 parts of polyurethane resin, 30-40 parts of low-molecular-weight bisphenol A epoxy resin, 30-40 parts of low-molecular-weight bisphenol A epoxy resin, 30-40 parts of low-molecular-weight bisphenol A epoxy resin, 30-40 parts of low-molecular-weight bisphenol A epoxy resin the curing agent is prepared from the following raw materials in parts by weight: 30 to 40 parts of modified amine and 30 to 40 parts of modified polyamide, the filler is prepared from the following raw materials in parts by weight: 10 to 15 parts of wollastonite, 10 to 15 parts of glass beads, 10 to 15 parts of aluminum powder and 10 to 15 parts of calcium carbonate, and the catalyst is prepared from the following raw materials in parts by weight: 12 to 16 parts of polysulfide rubber and 12 to 16 parts of nitrile rubber. The reinforcing and repairing adhesive for the building does not contain volatile, toxic and harmful products, is suitable for being used under the normal-temperature outdoor condition, is high in bonding strength, has good toughness and impact resistance, and improves the wind resistance and shock resistance of the whole building and the bearing capacity of the whole structure.