142 results about "Interfacial binding" patented technology

The invention discloses a quality evaluation method and system for a composite board, and relates to the technical field of quality detection, and the method comprises the steps: constructing a latent variable feature space representing interface binding energy abnormity based on an initial response data field through a physical constraint relation between interface local response features and binding energy distribution; extracting a topological correlation structure between local latent variable features in the latent variable feature space through a graph convolutional network to obtain a local binding energy anomaly initial candidate region; active response mode enhanced excitation is carried out on the local area of the initial candidate area, the dynamic enhanced response of each local area is obtained, and a binding energy abnormal area is determined; determining the specific position and range of the hidden pseudo solder strip according to the correlation topological structure difference between the local feature in the binding energy abnormal region and the normal region; according to the method, precise identification and high-precision positioning of the titanium-steel composite plate interface hidden cold solder strip are realized.

This invention provides a multifunctional gradient composite filament for 3D printing, its preparation method, and its applications, relating to the field of additive manufacturing materials technology. The filament's cross-section includes at least two structurally or functionally distinguishable regions, each region composed of a thermoplastic polymer with different chemical properties, or a thermoplastic polymer matrix with the same chemical properties but different functional modifications. These at least two regions are arranged in an ordered spatial pattern on the filament's cross-section using a multi-component co-extrusion technique, enabling pre-design and integration of properties. This invention overcomes the inherent limitations of traditional single-material filaments, achieving multifunctionality and performance designability of a single filament. It significantly improves the interlayer bonding performance of multi-component 3D printing and the comprehensive mechanical properties of the printed composite material. Furthermore, it allows for the production of components with both functional gradients and high mechanical properties in a single printhead operation, making it suitable for mass production.

The invention relates to a preparation, regulation and control method of a thermoplastic elastomer encapsulating material in the technical field of new materials, which comprises the following steps: realizing an in-situ reaction process by controlling the concentration and reaction temperature of reactive functional groups in the encapsulating material according to an interface reaction rate constant and active group distribution density; if the reaction conversion rate reaches a preset value, a chemically bonded interface bonding layer is formed; monitoring the stress distribution state in the rubber coating layer by adopting a stress analysis algorithm, and when detecting that local stress concentration exceeds the yield strength of the material, dispersing a stress concentration area by adjusting the length of a flexible chain segment and the density of a rigid cross-linking point in a cross-linking network; and deformation data and a bonding strength change trend of the interface bonding layer in the temperature cycling process are obtained, if the bonding strength attenuation rate exceeds a preset threshold value, a dynamic cross-linking mechanism is activated, and the dynamic equilibrium state of interface bonding is maintained through fracture and recombination of a reversible covalent bond.

The invention provides a mineralized collagen cartilage repair scaffold and a preparation method and application thereof, and relates to the technical field of biomedical materials.The preparation method comprises the steps that a collagen solution subjected to mineralization treatment is injected into a mold, and a mineralized collagen layer is obtained through deep freezing and primary freeze drying; taking the mineralized collagen layer as a bottom layer, injecting a collagen solution which is not mineralized, and performing deep freezing and first freeze drying to obtain a freeze-dried scaffold; and carrying out crosslinking and secondary freeze drying on the freeze-dried scaffold, and compressing to obtain the mineralized collagen cartilage repair scaffold. A necessary bioactive interface, a continuous interpenetrating structure of a collagenous fiber network and cross-linking treatment are provided for osseointegration, and interlayer separation is avoided; bidirectional regeneration of osteochondral bone is realized, and complexity and risk of clinical application are reduced; in a wet state, good tailorability and enough stiffness are achieved, and meanwhile stable mechanical support is provided; the technical problem that in the prior art, a stent material is insufficient in systematicness of biosecurity of multi-scale structure bionics and interface bonding agents is solved.

The invention discloses a nano-modified fiber reinforced 3D printing magnesium phosphate cement-based material as well as a preparation method and application thereof. The material is prepared from the following components in parts by weight: 40 to 70 parts of dead burned magnesium oxide, 10 to 25 parts of basic hydrogen phosphate, 5 to 25 parts of silica fume, 30 to 60 parts of fine aggregate, 10 to 30 parts of water, 0.1 to 1 part of fiber dispersing agent and 0.5 to 5 parts of nano modified fiber, the surface activity of the fiber is remarkably improved through a nano modification process, active SiO2 sites attached to the surface of the fiber are activated by using an alkali solution, and a hydration product is generated in situ, so that the interface bonding strength between the fiber and a cement matrix is enhanced, and the surface strength of the fiber is improved by relying on the high-rigidity characteristic of the fiber. The yield stress, thixotropic property and constructability of the material are effectively improved, structural deformation in the printing process is remarkably inhibited, and the 3D printing material has excellent rheological property, strengthened mechanical property and tough fiber-matrix interface bonding property.

The invention belongs to the field of metal-based composite materials, and provides a copper-containing diamond composite material and a preparation method and application thereof. The design that an in-situ zigzag TiC interface layer and a titanium-copper gradient transition layer are sequentially formed on the surfaces of diamond particles is adopted, the thickness of the TiC interface layer ranges from 85 nm to 120 nm, the thickness of the titanium-copper gradient transition layer ranges from 172 nm to 1600 nm, the titanium-copper gradient transition layer is divided into a titanium-rich area, a gradient area and a copper-rich area, and the volume fraction of diamond ranges from 20% to 50%. The preparation method comprises the steps of hydrogen plasma etching pretreatment, gradient layer preparation through magnetron co-sputtering, staged temperature control sintering and post-treatment. According to the copper-diamond composite material, excellent heat conduction and mechanical properties are achieved, the zigzag interface layer and the gradient transition layer form an interlocking structure, interface bonding is effectively enhanced, the problems that a traditional copper-diamond composite material is weak in interface bonding and insufficient in performance are solved, and the copper-diamond composite material has wide application value.

The invention provides a fiber reinforced resin composite material and a preparation method thereof, composite resin and a protective product. The fibers are subjected to surface roughening and / or active groups are introduced to form modified fibers, and the active groups comprise one or more of hydroxyl, alkenyl, alkynyl, amino and halogen; coating the surfaces of the modified fibers with a thermoplastic resin solution grafted with maleic anhydride groups and / or epoxy groups, and performing heat treatment to form a first functional layer; nano particles are attached to the surface of the first functional layer and / or a supramolecular network structure is formed, and a second functional layer is formed. According to the preparation method, the interface bonding performance between the fiber and the resin is remarkably improved, and the prepared fiber-reinforced resin composite material has excellent strength, barrier performance, protection performance and the like.

The invention relates to a glass fiber impregnating compound, a low dielectric glass fiber and a cyanate ester resin-based wave-transparent composite material, and belongs to the technical field of glass fiber impregnating compounds, the glass fiber impregnating compound comprises the following components by mass: 35-50 parts of a low molecular weight epoxy emulsion, the molecular weight of epoxy resin in the low molecular weight epoxy emulsion being 400-600; 5-15 parts of a high molecular weight epoxy emulsion, wherein the molecular weight of epoxy resin in the high molecular weight epoxy emulsion is 5000-8000; 5-10 parts of a low molecular weight polypropylene emulsion, wherein the molecular weight of polypropylene in the low molecular weight polypropylene emulsion is 2000-3000; 20 to 25 parts of a lubricant; 15-20 parts of a silane coupling agent, wherein the silane coupling agent comprises a main silane coupling agent and an auxiliary silane coupling agent; and 0.1 to 0.3 part of graphene. The impregnating compound provided by the invention has good compatibility and interface bonding strength with a cyanate ester resin matrix.

The utility model belongs to the field of thermoplastic composite material, specifically discloses a paddle. The utility model's paddle uses short fiber reinforced resin as the outer skin, and the core material formed by the cooperation of the inside continuous fiber reinforced unidirectional tape forms the multi-scale fiber reinforced interface at the interface of the outer skin and the core material, improves the high and low temperature impact resistance of the paddle, reduces the risk of low temperature brittle fracture, enhances the interface bonding force of the paddle core material and the outer skin, reduces the influence of interlayer shrinkage stress, reduces the risk such as interface delamination, bulging and paddle deformation, and improves the mounting of the paddle.

This invention discloses a bimetallic composite self-lubricating bushing and its preparation method, comprising an outer layer and an inner layer. The outer layer is made of steel, and the inner layer is made of copper alloy. The inner wall of the outer layer is provided with multiple mating grooves, which are arranged in multiple layers along the axial direction of the outer layer. Adjacent mating grooves are spaced apart, and each layer includes multiple annularly spaced mating grooves. The inner layer is located within the mating grooves. Each mating groove includes a tip and a tail. The tips of adjacent mating grooves face opposite directions, and the distance between two adjacent mating grooves is the same as the groove width. The multi-layer mating groove structure of this invention, through centrifugal casting, achieves bimetallic interlocking and increases the metallurgical bonding area of ​​the staggered triangular straight mating groove structure with adjacent layers of tips facing opposite directions, significantly improving the interfacial bonding force of the bimetallic composite bushing.

The utility model relates to the technical field of composite material preparation, in particular to a thin-wall composite material plate structure with a hollow runner inside, which is formed by co-curing an upper composite material panel, a lower composite material panel and a runner layer clamped between the upper composite material panel and the lower composite material panel through resin, the problems that in a traditional technology, a flow channel is prone to being blocked, and interface bonding is weak are solved, and the heat pipe has the advantages of being good in structural integrity, excellent in sealing performance, light in weight and high in strength and is particularly suitable for heat management structural parts in the fields of aerospace, new energy automobiles, high-end equipment and the like.

The invention discloses a preparation method of an ultra-light ablation-resistant composite material with a gradient structure, and belongs to the technical field of composite material preparation. In order to solve the technical problem that a traditional material is difficult to consider low density, heat insulation property and ablation resistance at the same time, vermiculite nanosheets and water-soluble phenolic resin are compounded in a solution state, a three-dimensional porous matrix is constructed by adopting directional freeze drying, the surface of the matrix is coated with a ceramic precursor, and then high-temperature cracking is performed to form a compact ceramic layer; and gradient transition from the internal porous structure to the outer ceramic layer is realized. The ablation-resistant composite material with the gradient structure, which is low in density, excellent in heat insulation performance, enhanced in ablation resistance and high in interface bonding strength, can be obtained.

The present invention provides a polytetrafluoroethylene sealing material and a preparation method thereof, and belongs to the technical field of sealing materials, the polytetrafluoroethylene sealing material comprises the following components by weight: 100 parts of polytetrafluoroethylene and 10-40 parts of a filler, and the filler comprises boron nitride and a polyvinylidene fluoride coating layer coating the surface of boron nitride. The boron nitride filler with the surface coated with polyvinylidene fluoride is introduced into a polytetrafluoroethylene matrix, so that the comprehensive performance of the sealing material is remarkably improved. The wear resistance is greatly enhanced by boron nitride through a pinning effect, and a constructed high-thermal-conductivity network can effectively export friction heat, so that the interface temperature is lower than the glass transition point of polytetrafluoroethylene to maintain rigidity; meanwhile, the polyvinylidene fluoride coating layer realizes covalent crosslinking through dehydrofluorination reaction with polytetrafluoroethylene, so that the mechanical strength and the interface bonding force of the material are remarkably improved.

It provides a preparation method of solid-liquid composite casting in a specific mold to produce the heterostructured metallic bars composed of high elastic modulus metal and low elastic modulus Mg alloy. Subsequently, the microstructure of heterogeneous Mg alloys bars is adjusted by the specific deformation and heat treatment. Heterogeneous Mg alloys bars without oxide inclusions and with good interfacial bonding were prepared through this method. The improvement of elastic modulus is obtained by tailoring the heterogeneous microstructure.

The invention relates to a method, a device and equipment for determining interface bonding energy of peelable ultrathin copper foil, a medium and a product. The method comprises the following steps: acquiring pressure intensity applied to an ultrathin copper foil by a hydraulic pump detected by a hydraulic sensor in the hydraulic pump at multiple times, acquiring a three-dimensional image of the ultrathin copper foil acquired by a three-dimensional visual system at each time, and determining the center point deflection of the ultrathin copper foil at each time based on the three-dimensional image at each time, and according to the pressure intensity corresponding to each time and the central point deflection, determining a critical pressure intensity from each pressure intensity, determining a critical central point deflection corresponding to the critical pressure intensity from each central point deflection, and according to the critical pressure intensity, the critical central point deflection and an interface bonding energy model, determining the interface bonding energy of the strippable ultrathin copper foil. And the accuracy of determining the interface bonding energy of the strippable ultrathin copper foil is improved.

This application relates to biodegradable magnesium metal composite materials, their preparation methods, and medical devices. The preparation method of the biodegradable magnesium metal composite material includes the following steps: performing a first treatment on the surface of a magnesium metal matrix using an alkali agent to form a magnesium hydroxide passivation layer; performing a second treatment on the magnesium hydroxide passivation layer using phosphorylated amino acids to form a mineralization-inducing layer; and depositing a calcium-phosphorus coating on the surface of the mineralization-inducing layer to prepare the biodegradable magnesium metal composite material. The biodegradable magnesium metal composite material prepared by this method can meet the requirements of long-term corrosion resistance, strong interfacial bonding, and biocompatibility.

This invention relates to the field of friction materials technology, specifically a friction material with excellent formability and its preparation method. The raw materials for this friction material include allyl phenolic resin, bismaleimide, a photoinitiator, thiol-modified fillers, and additives; the fillers include reinforcing fillers, friction-increasing fillers, and friction-reducing fillers. This invention effectively improves the compatibility between the filler and resin, reduces the viscosity of the mixture, and significantly improves the flowability during hot pressing by grafting bismaleimide onto the surface of the thiol-modified reinforcing filler. This invention utilizes the bifunctional characteristics of bismaleimide to construct a three-dimensional interpenetrating network with the filler as nodes, achieving higher interfacial bonding strength than traditional coupling agent treatment while using less than 15wt% resin. In the interpenetrating network formed by this invention, the imide ring structure of bismaleimide endows the material with excellent thermal stability, preventing interface debonding at high temperatures, maintaining a stable coefficient of friction, and exhibiting excellent resistance to thermal degradation.

The invention relates to the field of dental restoration materials, and discloses a high-bonding-strength interface of a bionic ceramic fiber-resin composite material and a treatment method of the high-bonding-strength interface. The interface is subjected to cooperation of sand blasting coarsening and silane coupling agent chemical treatment, a multi-direction and multi-scale micro-nano composite structure is constructed on the surface of the material, resin monomers are promoted to form a multi-direction mechanical embedding and chemical bonding network, and finally an isotropic tight bonding layer is formed. The interface still keeps excellent bonding performance after thermal cycling, the method is easy and convenient to operate, adaptability is high, interface bonding is firm, and the method can be widely applied to bonding treatment of clinical dental restoration materials.

The invention provides a preparation method of a composite board with excellent interface bonding, which comprises the following steps: if the processing and using temperature of the composite board is less than or equal to 200 DEG C, polishing one side surface of a base material blank until the roughness is 0.02 T + 0.05 t + 0.5 CR <-5 >-0.02 T + 0.05 t + 0.5 CR, T is a preset heat treatment temperature unit of DEG C, t is a total heat treatment time unit of min, CR is a preset total compression ratio, and if multiple heat treatments are needed, T is a maximum value; if the processing and using temperature of the composite board is higher than 200 DEG C, the surface of one side of the base material blank is polished into a wave shape, the vertical distance between the wave crests and the wave troughs is 0.1 T-85-0.1 T-80, the unit is mm, the horizontal distance between the wave crests is 100-12.5 lnT-110-12.5 lnT, and the unit is cm. The surface of the base material blank is subjected to different treatments through different processing use temperatures, so that the bonding strength of the base material and the covering material is guaranteed.

The invention provides a polymer compatilizer and application thereof, and relates to the technical field of organic materials. Specifically, a molecular chain of the polymer compatilizer comprises a polyolefin chain segment, a reversible covalent bond group and an active functional group which are connected in sequence; wherein the reversible covalent bond group comprises at least one of a cycloaddition reaction system, a disulfide bond system, a borate bond system, an acylhydrazone bond system, an oxime bond system, a trithiocarbonate bond system and a tetrazole-olefin light click chemical system. According to the compatilizer structure, a dynamic covalent cross-linked network can be constructed at the interface of the composite material, and the interface is endowed with an intelligent response characteristic through fracture and recombination of reversible covalent bonds, so that the interface bonding strength of the composite material is far higher than that of a traditional system; the technical problems that in the material service process in a traditional system, due to permanent covalent bonding, an interface is prone to being damaged and cannot be reversibly repaired are effectively solved.

The embodiment of the invention discloses a balance weight module and a preparation method thereof and a weight training device, and belongs to the technical field of composites.The balance weight module comprises balance weight particles and a coating layer, the coating layer wraps the balance weight particles, the balance weight particles comprise metal particles, and the metal particles are arranged on the coating layer. The surface of each metal particle is sequentially coated with a flexible energy-absorbing sheet layer, a microcapsule buffer layer and an elastic nano net film layer from inside to outside; wherein the flexible energy-absorbing sheet layer is made of a liquid crystal polymer or a graphene oxide material, and the thickness of the flexible energy-absorbing sheet layer is 100-500 nm. According to the counterweight module provided by the invention, a multi-layer flexible and buffer material structure is introduced to the surfaces of the metal particles, so that a gradient interface which is outwards transited from a high-density core to a flexible material is realized, impact is effectively dispersed, a load is effectively absorbed, and an interface bonding force between a coating layer and the metal particles is enhanced; and the stability and durability of the whole structure are obviously improved.

The invention discloses a composite porous basement membrane and a preparation method thereof. The composite porous basement membrane comprises a porous sulfonated resin basement membrane and a hydrogen bond donor layer at least partially filled in pores of the porous sulfonated resin basement membrane. The interface compatibility and the interface bonding force between the composite porous basement membrane and the functional resin material are excellent, the layering risk is reduced, and an application basis is provided for long-time operation.

An interface bonding failure test method, system, storage medium and program product, relate to the field of testing or analyzing materials by means of determining chemical or physical properties of materials, in the method, the interface bonding state between the pole piece coating and the current collector is evaluated by performing a single loading and unloading cycle. In the loading stage, a first resistance value is measured when the pressure reaches a preset target detection pressure, and then the pressure is continuously increased to a preset peak pressure (the pressure is greater than the target detection pressure but less than the yield strength of the current collector). In the unloading stage, a second resistance value is measured when the pressure decreases back to the preset target detection pressure. By comparing the difference between the two resistance values with a preset hysteresis threshold, the interface bonding state is determined: if the difference is greater than the threshold, it is determined that there is interface bonding failure. The present application is used to reduce the difficulty of identifying overpressure risk and defining the best roll pressure process window.

The invention discloses thermoplastic elastomer beads as well as a preparation method and application thereof, and relates to the technical field of foaming materials. The thermoplastic elastomer bead provided by the invention is prepared from the following preparation raw materials in parts by mass: 80 to 99 parts of a thermoplastic elastomer a with the hardness of Shore A 90 to Shore D 75, 5 to 20 parts of a thermoplastic elastomer b with the hardness of Shore A 70 to Shore A 90 and 0.01 to 1 part of a cross-linking agent. The thermoplastic elastomers with different hardness are matched to serve as preparation raw materials, in the subsequent process of preparing a foaming part through the beads, the elastomer b with the low hardness can have the higher migration capacity, can gradually migrate to the surfaces of the beads and can play a role similar to a binder through melting of the elastomer b, and therefore the foaming performance of the beads is improved. The interface bonding between the beads is enhanced, the mechanical strength of the obtained foaming product is improved, and the migration of the thermoplastic elastomer b can promote the permeation of the foaming agent in the foaming process, so that the foaming efficiency and the foaming ratio of the obtained product are improved.

The invention discloses a TC17 composite board with a mechanical interlocking interface and a preparation method of the TC17 composite board, and belongs to the technical field of composite material preparation. The problems that a current titanium alloy composite board of a sandwich structure is low in interface strength and poor in interface bonding capacity, so that the service strength and the ultimate high-temperature strength of the composite board are low, and the anti-fatigue performance is poor are solved. A Ti750S hollow alloy plate is placed in the middle of a TC17 plate, and the TC17 composite plate of a sandwich structure is obtained through hot press forming. In the hot pressing process, TC17 is filled into holes of Ti750S in a viscous flow mode and permeates with TC17 on the other side, a rivet or anchor rod structure is formed in the holes in the middle layer, a three-dimensional mechanical interlocking structure is formed with the Ti750S layer, an interlocking interface provides strong mechanical bonding force, interface stress is effectively transmitted and dispersed, metallurgical bonding is formed through diffusion bonding, and the mechanical bonding strength is improved. And the interface strength of the TC17 composite board is improved.

The invention relates to the technical field of stacked abrasive cloth with a chemical cross-linked network binding agent, discloses a device named as stacked abrasive cloth with a chemical cross-linked network binding agent, and aims to solve the problems that an existing abrasive cloth binding agent is unbalanced in hardness and toughness and insufficient in thermal stability under high temperature and heavy load. The device is characterized by structurally comprising a flexible base material layer, a primer bonding layer, a chemical crosslinking stacking abrasive material layer and a reinforced composite paint layer, and a binding agent of the stacked abrasive layer is a multi-dimensional chemical cross-linked network constructed by matrix resin, a cross-linked reinforcing component, a flexible modified component and a functional filler. By the adoption of the technical scheme, the heat resistance is improved through the high-density cross-linked network, impact energy is absorbed in cooperation with the flexible components, ordered self-sharpening and extremely high interface bonding strength of abrasive clusters are achieved, the service life of the abrasive cloth is remarkably prolonged, and the consistency of the machined surface is improved.

The invention relates to the technical field of laser material processing, in particular to a method for improving the bonding strength and corrosion resistance of a metal-CFRP connector, according to the method, a super-hydrophilic nano-micro structure is processed in an inner ring area of a metal bonding surface, and the wetting and permeating effects of a resin bonding film are remarkably improved; a capillary channel drainage structure is machined in the outer ring area and used for guiding corrosive media to be discharged, and interface durability is enhanced. Meanwhile, in combination with precise control of laser energy, the resin is selectively removed without damaging the carbon fibers according to the damage threshold difference between the carbon fibers and the resin in the CFRP, and the interface bonding performance is improved. The method is easy and convenient to operate, is suitable for connection scenes of various metals and composite materials, and has good engineering practical value and popularization prospects.

The invention relates to the field of coating materials, in particular to a self-repairing composite fiber anti-icing anticorrosive coating and a preparation method thereof. According to the composite fiber filler, the microstructure of the filler comprises a fiber body and attachments, the attachments are composed of, by weight, 0.5 part of metal ion salt and 0.1-0.5 part of functional ion salt, and the fiber body comprises, by weight, 0.1 part of polymer; 0.1 to 0.2 part by weight of cobalt salt; and 0.5 part by weight of 2-methylimidazole. The coating containing the composite fiber filler provided by the invention or the self-repairing composite fiber anti-icing anticorrosive coating provided by the invention has good wear resistance, corrosion resistance and self-repairing performance, and can solve the problem of poor interface bonding in a traditional blending method. In addition, the coating has good anti-icing performance, the icing time can be delayed under the low-temperature illumination condition, and the service stability of the coating in the cold region environment is improved. The coating is not only suitable for ocean and industrial corrosion protection environments, but also has surface protection potential in an ice and snow environment, and the application scene of the coating in a low-temperature icing area is expanded.

The application provides a method for evaluating interface bonding strength of plant fiber reinforced plastic, and belongs to the technical field of bio-based composite materials. In the application, the Dijkstra shortest path algorithm is used to calculate the path cost from the center position of a sample to each candidate emission point and select the candidate emission point with the minimum path cost as an optimized emission point. The optimal emission direction angle and optimal emission frequency are determined by performing fine search on the optimized emission point position according to the transmission signal propagation time and frequency attenuation value. Finally, the optimal parameters are used for ultrasonic transmission testing on all test points to establish an ultrasonic characteristic response matrix and input an interface quality evaluation model to output an interface bonding strength prediction value. The technical problem of insufficient detection accuracy caused by the difficulty in self-adaptive optimization of ultrasonic detection parameters during the evaluation of the interface bonding strength of plant fiber reinforced plastic is solved.

This invention provides a modified rubber-composite nylon elastomer material and its preparation method. The material comprises the following raw materials in parts by weight: 80-100 parts of hydrogenated nitrile butadiene rubber, 30-70 parts of nylon, 6-10 parts of maleic anhydride-grafted polybutadiene, 1-5 parts of peroxide vulcanizing agent, and 1-5 parts of crosslinking agent. The method comprises: S1, mixing hydrogenated nitrile butadiene rubber and maleic anhydride-grafted polybutadiene in a mixer according to the specified ratio to obtain a rubber premix; S2, adding the rubber premix and nylon to a twin-screw extruder for melt blending according to the specified ratio to obtain a blend; S3, adding the vulcanizing agent and crosslinking agent to the blend for dynamic vulcanization and granulation to obtain the modified rubber-composite nylon elastomer material. The modified rubber composite nylon elastomer material provided by this invention has high interfacial bonding strength, and the rubber phase particle size is refined to 0.5-2μm, which significantly improves impact toughness and fatigue resistance; the tensile strength reaches 35-50 MPa, the elongation at break is 200-350%, and the notched impact strength is 40-80 kJ / m.