38results about How to "Effectively fills the void" patented technology

The invention relates to two-component epoxy glue and a preparation method thereof. The two-component epoxy glue comprises a component A and a component B, and the component A comprises epoxy resin, a toughening agent, a liquid flame retardant, a powder flame retardant, a diluent, an antifoaming agent and reinforcing fillers; the component B comprises an aliphatic amine curing agent, polyether amine, polyamide 650 and a curing accelerator. According to the two-component epoxy glue and the preparation method thereof, screening is conducted on the components of the epoxy glue, performance complementation of the components is achieved, a two-component epoxy glue with excellent comprehensive performance is formed through synergetic cooperation, the toughness, the anti-stripping strength and the anti-impact performance of the epoxy glue are significantly improved, the flame-retardant performance can reach the grade UL94-V0, the operable time is more appropriate, the curing time is short, and the continuous production can be achieved.

The invention discloses high-compressive-strength recycled concrete and a preparation process thereof. The high-compressive-strength recycled concrete comprises the following components in parts by weight: 300-420 parts of reinforced recycled aggregate, 25-35 parts of recycled micro powder, 100-200 parts of natural coarse aggregate, 120-200 parts of natural fine sand, 120-170 parts of cement, 50-130 parts of fly ash, 50-120 parts of mineral powder, 6-12 parts of a waterproof agent, 0.8-2.2 parts of an air entraining agent, 120-160 parts of water and 20-35 parts of polypropylene mixed filler. The preparation process comprises the following steps: S1, weighing corresponding amounts of cement and natural fine sand, putting the cement and the natural fine sand into a stirrer, and stirring for40-60 seconds; S2, weighing the regenerated micro-powder, the fly ash, the mineral powder and the polypropylene mixed filler according to corresponding proportions, adding the weighed materials into the stirrer in the step S1, continuing to stir and mix for 30-40 seconds, adding half of the water according to the proportion, continuing to stir for 30-40 seconds, and mixing to obtain mortar with uniform color; and S3, adding the rest half of the water, the reinforced recycled aggregate, the natural coarse aggregate, the air entraining agent and the waterproof agent according to the proportion in the step S2, and continuously stirring for 60-80 seconds until the mixture is uniform.

The invention relates to electronic paste and a preparation method of the electronic paste. The electronic paste comprises, by weight, 30-70% of silver-plated copper powder or silver-plated nickel powder, 0-40% of nano-silver powder, 3-15% of organic solvent, 5-12% of macromolecule resin and 2-10% of inorganic additive. The preparation method of the electronic paste comprises the steps of (1) weighing the macromolecule resin and the organic solvent in proportion, placing the macromolecule resin and the organic solvent into a container, placing the container into a thermostatic water bath, evenly mixing the macromolecule resin and the organic solvent to obtain an organic carrier, and (2) weighing the silver-plated copper powder or the silver-plated nickel powder, the nano-silver powder and the inorganic additives in proportion, adding the silver-plated copper powder or the silver-plated nickel powder, the nano-silver powder and the inorganic additives to the organic carrier obtained in the step (1), carrying out grinding and rolling to meet the requirement of the fineness to achieve even distribution of the solid-phase powder in the organic carrier. The preparation method of the electronic paste is simple, high in production efficiency and low in cost. When the obtained electronic paste is used for printing a fuse link structure of a surface-mount fuse, and compared with traditional silver paste, the pulse resistant capacity is greatly improved.

The invention discloses a preparation method for a solar double-glass component. The method comprises the following steps: paving a glass layer, an EVA coating layer and a battery layer; performing EL test for the first time; laminating; performing EL test for the second time. A plurality of scratches are horizontally and longitudinally carved on the upper surface of the EVA coating in contact with a battery piece; a circle of scratch is carved along the edge of the battery piece; a layer of coating is paved at each of the four corners; in a laminating stage, the vacuum pumping is firstly performed, and then the vacuum pumping for a lower chamber is maintained, an upper chamber is aerated, the pressure is maintained and the coating is heated and molten. According to the preparation method, the directionality of EVA contraction can be reduced, the displacement resistance of the battery piece can be increased, and meanwhile, the gaps between the glass and the battery piece and between the battery pieces can be more effectively filled, so that the interior and four corners of the component can be prevented from generating bubbles, the yield of the products is increased, the operation is simple and the method is suitable for volume production.

The invention discloses a well cementation process suitable for a gas field. The well cementation process comprises the following steps of injecting drilling fluid into a well to perform a pressure-bearing test, and performing leaking stoppage for a leaked stratum if leakage occurs in the well; driving a sleeve to the well bottom, and filling mud into a position between the well wall and the sleeve; sequentially injecting prepad fluid, first well cementation fluid and second well cementation fluid into the sleeve, then, starting to release a rubber plug, and utilizing the rubber plug to scrapeoff the first well cementation fluid and the second well cementation fluid on the inner wall of the sleeve; and injecting plug pressing fluid into the sleeve until touching and pressing happen, and ending well cementation. The pressure-bearing test is performed before the sleeve is driven in, and leakage prevention and stoppage are performed on the leaked stratum, so that pressure-bearing abilityof a well shaft can be improved.

The invention relates to a sagger for sintering a positive electrode material of a lithium battery based on magnesium aluminate spinel sol and a preparation method of the sagger. According to the technical scheme, the preparation method comprises the steps of mixing and stirring the following components of, by weight, 20%-25% of magnesium nitrate, 15%-20% of aluminum nitrate and 60%-61% of industrial alcohol to obtain magnesium aluminate spinel sol; mixing the following components of, by weight, 25%-30% of mullite, 25%-30% of cordierite. 25%-30% of andalusite, 3%-7% of the magnesium aluminatespinel sol, 4%-7% of Guangxi white mud and 2%-7% of silicon micro powder to obtain a mixture; carrying out mechanical pressing on the mixture, drying the mixture at the temperature of 90-110 DEG C, and then carrying out heat preservation at the temperature of 1,300-1,400 DEG C for 3-4 hours to obtain the sagger for sintering the positive electrode material of the lithium battery based on the magnesium aluminate spinel sol. The preparation method has the characteristics of simple process, short production period, easy industrial production and high yield; and the prepared sagger is high in strength, long in service life, and good in thermal shock resistance and corrosion resistance.

The invention discloses a method for reinforcing a soft foundation through electrified sol in combination with vacuum-electroosmosis. According to the method, the electrified sol, namely the TiO2 sol,is electrochemically injected into a to-be-reinforced soft foundation area; part of free water is drained through the vacuum prepressing technology at the early stage; the electrified sol is dehydrated and precipitates, so that solid particles are separated out; due to the fact that the TiO2 serves as a nanometer material and is quite small in particle diameter, and holes among soil particles canbe effectively filled; and in addition, when drainage consolidation is conducted at the later stage through an electroosmosis method, the electrified TiO2 nanometer material moves ceaselessly in a soil body under the effect of a direct-current electric field without disturbing the soil body, drainage of the free water in the soil body is promoted, and the drainage consolidation effect is effectively improved. According to the method, the electrified sol and vacuum-electroosmosis are organically combined together, supplement each other and achieve mutual promotion; the holes among the soil particles are filled with the solid particles separated out of the sol through vacuum prepressing; in addition, electroosmosis efficiency can be effectively improved; drainage of the free water in soil is promoted; and the drainage consolidation effect is greatly improved.

The invention provides an underwater wet-method repairing device and method for concrete pile defects. The repairing device comprises side molds and bottom molds, wherein the side molds are used for enclosing a concrete pile, and the bottom molds are used for sealing the concrete pile and the bottom parts of the side molds, and the bottom molds are arranged at the bottom parts of the side molds. The underwater wet-method repairing device for the concrete pile defects has the advantages of being convenient to install, capable of being repeatedly used and high in repairing efficiency.

The invention relates to the technical field of synchronous grouting. The invention relates to a rubber particle anti-seismic synchronous grouting material. The synchronous grouting material is prepared from the following raw materials in parts by weight: 70 to 90 parts of cement, 595 to 685 parts of aggregate, 350 to 450 parts of water, 200 to 300 parts of fly ash, 80 to 110 parts of special soiland 10 to 12 parts of additive, wherein the aggregate is rubber particles or a mixture of the rubber particles and sand. The synchronous grouting material disclosed by the invention is low in elasticity modulus, can effectively fill gaps of duct pieces, plays due waterproof and anti-settling roles during tunnel construction, and can effectively absorb energy and provide buffer for the duct pieceswhen earthquake disasters happen, thereby playing a shockproof and anti-seismic role.

The invention discloses a preparation process of a high-density imbricated module. The preparation process comprises the following steps of: preparation of a slice without a main grid cell; preparation of a battery string; preparation of a long string of cells; preparation of an imbricated module; primary EL test; laminated packaging; framing and assembling of the junction box; and secondary LE test. The obtained high-density imbricated module improves the utilization rate of the defective pieces and improves the module power through a mode of reducing the battery area and reducing the currentmismatching loss, the battery pieces are sliced to be connected in series by employing conductive paste to remove the distance between the battery pieces so as to greatly save the assembling space, the innovative electrical design without the main grid is employed to reduce the internal loss of the module, effectively improve the output power of the single module and improve the module conversionefficiency, and therefore, the preparation process of the high-density imbricated module has an considerable competitiveness and is expected to occupy the mainstream position in the market.

The invention discloses a high-compactness and ultrahigh-strength cement-based composite material for financial equipment in a bank. The composite material is prepared by uniformly mixing microfine cement, silicon ash, ultrahigh-strength basalt sand, high-efficiency water reducing agent, copper-plated steel fiber and water according to certain ratio, and carrying out standard curing, wherein the weight ratio of all the components in the cemented-based composite material relative to the microfine cement is as follows: the microfine cement is 1, the silicon ash is 0.15-0.25, the ultrahigh-strength basalt sand is 1.2-1.8, the high-efficiency water reducing agent is 0.005-0.010, the copper-plated steel fiber is 0.40-0.60 and water is 0.19-0.25. The compressive strength of the prepared composite material is more than 180MPa.

The invention discloses a corrosion-resistant CFRP-high-strength steel composite pipe marine aggregate seawater concrete composite column, and belongs to the technical field of marine construction engineering structures. The corrosion-resistant CFRP-high-strength steel composite pipe marine aggregate seawater concrete composite column is composed of marine aggregate seawater concrete, a high-strength steel pipe and CFRP cloth, wherein the CFRP cloth is pasted on the inner wall and the outer wall of the high-strength steel pipe to form a CFRP-high-strength steel composite pipe, and the CFRP-high-strength steel composite pipe is filled with the marine aggregate seawater concrete. The composite column can effectively prevent chloride ions from corroding the inner wall and the outer wall of the high-strength steel pipe, the related bearing index and durability of the high-strength steel pipe marine aggregate seawater concrete can be improved, and the service life of the high-strength steel pipe marine aggregate seawater concrete is prolonged.

The invention belongs to the technical field of processing of a wear-resistant fishing net and particularly relates to a processing method capable of improving weather resistance of the wear-resistantfishing net. The processing method comprises preparation of a polyester type polyurethane prepolymer, preparation of reaction materials and preparation of filaments. Compared with the prior art, theprocessing method has the advantages as follows: the weather resistance and anti-friction stability of the fishing net can be improved due to preparation of the reaction materials, the anti-friction creep property of the fishing net can be improved due to addition of the polyester type polyurethane prepolymer, the reaction materials can effectively fill in gaps of a composite material, the wear resistance of the composite material can be improved, the storm resistance of the fishing net can be further improved by terminated isocyanate, the fishing net can keep good mechanical performance undersunlight and has certain antibacterial property and antifouling property, and the use benefits of the fishing net can be increased.

The invention relates to the field of asphalt waterproof coiled materials, and discloses a waterproof coiled material prepreg composition, a waterproof coiled material prepreg and a preparation method and application thereof. The composition contains more than two of the following components which are stored in a mixed manner or stored independently: compound asphalt, a softening agent and an inorganic filler, wherein the compound asphalt is a combination of matrix asphalt and hard asphalt in a content weight ratio of 1: (0.10-0.35), and the softening agent is at least one of polyethylene wax and polar amide wax. When the prepreg prepared from the composition provided by the invention is applied to a waterproof roll, the requirement for oil permeability of the waterproof roll can be met, and the waterproof roll has good adhesive property.

The invention discloses a middle-heavy refractory castable in working linings of industrial furnaces and a preparation method of the refractory castable. The refractory castable comprises the following components in mass percentage: 10-30% of complex-phase hollow balls with a particle size of 6 mm, 15-35 % of complex-phase hollow balls with a particle size of 4 mm, 10-25% of mullite with a particle size of 1-0 mm, 5-25% of kyanite with a particle size of 180 mesh, 5-15% of mullite powder with a particle size of 200 mesh, 5-10% of pure calcium aluminate cement, 3-8% of alumina micro powder with a particle size lower than 5 micron, 3-8% of silicon dioxide micro powder with a particle size lower than 1 micron and 0.1-0.2% of an additionally-added water reducing agent. The refractory castable provided by the invention has excellent characteristics of a long-term high usage temperature, moderate volume density, a low thermal conductivity coefficient and good thermal shock stability, can replace conventional heavy refractory castable for direct use in working linings of industrial furnaces, and has a very positive effect on energy saving and consumption reducing of industrial furnaces, and on decrease of usage amounts of lining materials and thickness of linings in industrial furnaces, and the like.

The invention discloses pump concrete and a preparation method thereof. The pump concrete is prepared from, by weight, 200-300 parts of cement, 150-250 parts of vitrified micro bubbles, 300-500 parts of cinder aggregate, 50-100 parts of superfine slag powder, 20-30 parts of diatomite, 5-10 parts of redispersible latex powder, 5-10 parts of starch ether, 2-3 parts of attapulgite powder, 2-3 parts of vermiculite powder, 2-3 parts of boric acid and 100-200 parts of water, wherein a concrete pumping agent addition amount is 3-5% of the weight of cement. By adoption of the slag powder as a raw material and adoption of a modifier, workability of full slag concrete is improved, and fluidity is higher than 200mm and reaches pumping requirements.

The invention discloses a preparation process of a lightweight double-glazed module with a frame. The preparation process comprises the following steps: preparing a high-transmission type EVA coating;preparing a double-glazed module; performing primary EL testing; performing lamination package; performing the second EL testing; adding the frame, and accessing into a terminal box; and performing the third EL testing. The scattering of the sunlight is reduced by using the high-transmission type EVA coating, so that the solar cell can receive more sunlight, and the photoelectric efficiency of the solar cell is improved; the bottom super-white embossed tempered glass and surface super-white semi-tempered glass with small thickness are used, a light refraction path and a light reflection pathare reduced, the light transmission energy loss is reduced, the utilization efficiency of the light is improved, and the generating capacity of the module is improved by about 5%. By adopting the frame made of aluminum alloy, the double-glazed module is lighter, and the mounting is simple; a solar cell string and two layers of glass in the manufactured double-glazed module are tightly adhered, thebubbles are inexistent, and the module quality is high.

The invention relates to the field of thermal interface materials, and particularly discloses a low-resilience and anti-powder-falling silica gel heat-conducting gasket and a preparation method thereof. The silica gel heat-conducting gasket is prepared from the following raw materials: vinyl silicone oil, heat-conducting filler, hydrogen-containing silicone oil, an inhibitor, a catalyst, an internal release agent and a modified additive. The preparation method comprises the following steps: carrying out primary kneading on the vinyl silicone oil and the heat-conducting filler; then sequentially adding an inhibitor, hydrogen-containing silicone oil, a catalyst, an internal release agent and a modified additive, and carrying out secondary kneading; then calendaring and molding in a vacuum environment; then drying to obtain the large low-resilience and anti-powder-falling silica gel heat-conducting gasket; and finally, cutting into a specified size. The prepared silica gel heat-conducting gasket is low in rebound rate and free of powder falling, and can be effectively applied to the field of heat conduction of electronic products.

The invention relates to a lithium ion battery anode material and a preparation method thereof. The lithium ion battery anode material comprises a graphite body and a submicron or nanoscale one-dimensional and / or two-dimensional carbon material, wherein the graphite body is aggregate formed through primary particle aggregation, at least part of the carbon material is combined among primary particles, and at least part of the carbon material combined among the primary particles extends outside a bulk phase of the graphite body. In the provided lithium ion battery anode material and the preparation method thereof, the carbon material and the graphite body are combined more firmly and are dispersed more uniformly, play of energy of a core of the graphite body can be beneficially promoted, andhigh current charge-discharge capability of a lithium ion battery is greatly improved.

The invention provides a preparation method of a reactive normal-temperature asphalt mixture, and relates to asphalt preparation. The preparation method of the reactive normal-temperature asphalt mixture comprises the following steps: S1, taking imidazoline and unsaturated fatty acid according to a molar ratio of 0.5: 2.5, and heating the unsaturated fatty acid to 75-80 DEG C; a proper amount of emulsifier is doped into asphalt, so that the viscosity of the asphalt is reduced, and the adhesive force of the asphalt and aggregate is increased, so that the cold patch asphalt mixture can be constructed at normal temperature; water is added to promote the chemical reactant to react with effective components in the emulsifier, the initial strength of a repaired pavement can be improved in a short time, meanwhile, due to volume expansion of a reaction product, gaps in a mixture are effectively filled, the gaps in the mixture are compact and firm, the pavement strength is improved, and due to the fact that the reaction is an exothermic reaction, the pavement strength is improved. The water evaporation is accelerated, the pavement curing time is shortened, and the construction progress is accelerated.

The invention discloses a preparation method for a solar double-glass component. The method comprises the following steps: paving a glass layer, an EVA coating layer and a battery layer; performing EL test for the first time; laminating; performing EL test for the second time. A plurality of scratches are horizontally and longitudinally carved on the upper surface of the EVA coating in contact with a battery piece; a circle of scratch is carved along the edge of the battery piece; a layer of coating is paved at each of the four corners; in a laminating stage, the vacuum pumping is firstly performed, and then the vacuum pumping for a lower chamber is maintained, an upper chamber is aerated, the pressure is maintained and the coating is heated and molten. According to the preparation method, the directionality of EVA contraction can be reduced, the displacement resistance of the battery piece can be increased, and meanwhile, the gaps between the glass and the battery piece and between the battery pieces can be more effectively filled, so that the interior and four corners of the component can be prevented from generating bubbles, the yield of the products is increased, the operation is simple and the method is suitable for volume production.

The invention provides modified nylon powder and a preparation method and application thereof.The modified nylon powder is mainly prepared from 50 wt%-95 wt% of nylon resin, 2 wt%-45 wt% of surface-functionalized core-shell particles and 0.1 wt%-5 wt% of antioxidants, and the average particle size of the nylon resin is 35-95 micrometers. The surface-functionalized core-shell particles are obtained by carrying out hydrolysis reaction and amination reaction on core-shell particles, and the surface-functionalized core-shell particles are selected from core-shell particles with the amino grafting rate of 1-25%; and the particle size of the core-shell particle is 100-200nm, and the core-shell particle comprises an inner core and an outer shell. The nano core-shell particles are introduced into the nylon resin, so that the void ratio of the nylon resin is remarkably reduced.

The invention discloses a colorectal cancer patient multi-gene multi-factor quantitative drug delivery system and a use method thereof, and belongs to the technical field of medical equipment. A colorectal cancer patient multi-gene multi-factor quantitative drug delivery system comprises a base, a drug box is arranged on the base, a drug outlet cylinder is rotatably arranged at the bottom of the drug box and connected with a handle through a connecting rod, a plurality of drug bottles for storing drugs are arranged on the inner wall of the drug box, and anti-loosening mechanisms are arranged in the drug bottles. A medicine outlet groove used for containing medicine in a medicine bottle is formed in the medicine outlet barrel, an adjusting assembly used for adjusting the dosage of the medicine is arranged in the medicine outlet groove, and a through hole used for communicating the medicine bottle with the medicine outlet groove is formed in the medicine box. The quantitative medicine taking device can accurately take medicine in a quantitative mode, is suitable for pill-shaped medicine and granular medicine of different sizes, achieves individualized accurate medicine taking of a patient suffering from colorectal cancer, and meanwhile can effectively remind the patient when the medicine amount is insufficient.

The invention relates to the field of asphalt waterproof coiled material, and discloses a waterproof coiled material prepreg composition, a waterproof coiled material prepreg, a preparation method and application thereof. The composition contains two or more of the following components that are stored in combination or independently: compound asphalt, softener, inorganic filler, and the compound asphalt is base asphalt and hard asphalt with a content weight ratio of 1:0.10-0.35 A combination of asphalt; the softener is selected from at least one of polyethylene wax and polar amide wax. When the prepreg prepared by adopting the composition provided by the invention is applied to the waterproof coiled material, it can meet the oil-permeability requirement of the waterproof coiled material and has good adhesive performance.

The invention provides a basic magnesium oxysulfate composite cementing material double-doped with fly ash and mineral powder. The basic magnesium oxysulfate composite cementing material is prepared from the following raw materials in parts by weight: 49.7 to 66.6 parts of light calcined magnesia powder, 24.4 to 32.8 parts of magnesium sulfate heptahydrate, 4 to 19.1 parts of fly ash, 2 to 12.7 parts of mineral powder and 0.5 to 0.6 part of citric acid. According to the invention, the fly ash and the mineral powder are used as raw materials to prepare the magnesium oxysulfate composite cementing material, so that the preparation cost of the cementing material is reduced, resources are saved, and meanwhile, the application of the magnesium oxysulfate cement in the market is expanded. In addition, the prepared cementing material can effectively improve the mechanical strength of cement, reduce volume shrinkage and improve the volume stability and water resistance of the cement.

The invention relates to a method for recycling a waste cell lining electrolyte material in an aluminum electrolysis cell. The method comprises the following steps that an electrolyte recovery material in a waste cell lining generated in an aluminum electrolysis production process is screened out, a replaced anode scrap is separated from a thermal insulation material, the separated thermal insulation material is crushed into crushed material blocks, and the crushed material blocks are taken as a first priming coat to be made into an aggregate thermal insulation material to be added into the surface of an aluminum electrolysis anode, the electrolyte recovery material is taken as a second-layer thermal insulation material to be paved on the first-layer priming coat, the crushed material blocks are paved on the surface of the second-layer thermal insulation material as a third-layer thermal insulation material, and the electrolyte recovery material is paved on the third-layer thermal insulation material to be taken as a fourth-layer thermal insulation material to prepare an aluminum electrolysis cell thermal insulation material meeting the requirements of aluminum electrolysis production. According to the method, comprehensive utilization of the aluminum electrolysis waste cell lining electrolyte material can be realized, and the environmental protection problem caused by the aluminum electrolysis waste cell lining electrolyte material is solved.

The invention belongs to the technical field of building materials, and particularly discloses lightweight high-performance concrete for a fabricated bridge and a preparation method of the lightweight high-performance concrete. Each cubic meter of the lightweight high-performance concrete for the fabricated bridge is prepared from the following raw materials by weight: 200 to 300 kg of cement, 50 to 150 kg of compound superfine powder, 600 to 800 kg of quartz sand, 400 to 500 kg of ultralight ceramsite, 5 to 10 kg of polycarboxylic acid superplasticizer and 100 to 200 kg of water, the specific compound superfine powder is prepared, and meanwhile, the solid waste ultralight ceramsite is subjected to surface modification and other operations, so that the purpose of the lightweight high-performance concrete for the fabricated bridge is achieved. The concrete prepared by the invention has the performance advantages of light weight, compactness, high strength, good durability and the like, can obviously reduce the self weight of the structure and reduce the foundation bearing, and can also be applied to the functional fields of heat insulation, noise reduction and the like.

The invention discloses an equipment health analysis and fault diagnosis system based on artificial intelligence, and belongs to the technical field of fault diagnosis. An equipment health analysis and fault diagnosis system based on artificial intelligence comprises an equipment main body, a diagnosis system is arranged in the equipment main body, a display screen and keys are arranged on the upper side and the lower side of the equipment main body respectively, a first air bag is arranged at the corner of the equipment main body, and a first elastic element is arranged on the equipment main body; a clamping plate is connected to the end, away from the equipment body, of the first elastic element, an anti-attaching mechanism is arranged in the clamping plate, a second air bag is arranged on the clamping plate, an exhaust mechanism is arranged between the first air bag and the second air bag, a guide groove is formed in the equipment body, and a curlable blocking piece used for shielding a display screen is movably connected into the guide groove; the fault diagnosis instrument can be effectively protected, the fault diagnosis instrument can be prevented from falling off from the hand when the fault diagnosis instrument is held by a hand for use, and the use comfort and practicability of the instrument are improved.

The invention provides a modified nylon powder and its preparation method and application. The modified nylon powder is prepared from raw materials mainly comprising the following components: 50-95 wt% nylon resin, surface-functionalized core-shell particles 2 ~45wt%, antioxidant 0.1~5wt%, wherein, the average particle size of nylon resin is 35~95μm; surface functionalized core-shell particles are obtained after core-shell particles undergo hydrolysis reaction and amination reaction, surface functionalization The core-shell particles are selected from core-shell particles with an amine group grafting rate of 1-25%; the particle diameter of the core-shell particles is 100-200nm, and the core-shell particles include a core and a shell. The invention significantly reduces the void ratio between the nylon resins by introducing nanometer core-shell particles into the nylon resins.

The invention relates to a two-component epoxy glue and a preparation method thereof. The two-component epoxy adhesive includes A component and B component, and the A component includes: epoxy resin, toughener, liquid flame retardant, powder flame retardant, diluent, defoamer, Reinforcing filler; the B component includes aliphatic amine curing agent, polyether amine, polyamide 650, and curing accelerator. The present invention screens the components of the epoxy adhesive so that the components can complement each other in performance and form a two-component epoxy adhesive system with superior comprehensive performance through synergistic cooperation, which significantly improves the toughness, anti-peel strength, The impact resistance and flame retardancy have also reached the UL94-V0 level, and the operating time is relatively suitable, and the curing time is short, which can realize continuous production.