124results about How to "Improve binding stability" patented technology

The invention discloses a semiconductor device, a power module, a power conversion circuit, a vehicle and a preparation method of the semiconductor device. The semiconductor device comprises a semiconductor body and a gate structure located in a gate groove; the source electrode structure is positioned in the source electrode groove; the drain electrode is located on the second surface; the source electrode is located on the first surface, a third surface, far away from one side of the drain electrode, of the source electrode is provided with a first groove, and the first groove extends into the source electrode from the third surface; the passivation layer is located on the side, away from the drain electrode, of the source electrode, and at least part of the passivation layer is located in the first groove. According to the semiconductor device, the power module, the power conversion circuit, the vehicle and the preparation method of the semiconductor device, the binding force between the passivation layer and the source electrode is improved, cracking is avoided, and the stability of the device is improved.

The invention provides a preparation process of a circuit board with an embedded copper core aluminum nitride ceramic high-heat-dissipation module. The preparation process comprises the following steps: carrying out first milling and cutting treatment on a plurality of first core plates; pre-stacking the plurality of first core boards, the plurality of second core boards, the plurality of first PP resin layers, the plurality of second PP resin layers and the third PP resin layers to obtain a multi-layer core board group; after the embedded copper core aluminum nitride ceramic high-heat-dissipation module is embedded into the semi-buried groove, the multi-layer core plate set is subjected to pressing treatment; drilling the laminated multi-layer core board group to form a conductive through hole in the multi-layer core board group; carrying out metallization treatment on the multi-layer core board group after the drilling treatment; and performing line manufacturing processing on the multi-layer core board group after metallization processing to obtain the circuit board embedded with the copper core aluminum nitride ceramic high-heat-dissipation module.

The invention discloses a preparation method of a foamed thermal-insulation ceramic decorative plate in the technical field of building decorative materials. The method comprises the following steps: carrying out ball milling, spray drying, granulating and ageing on raw materials such as ceramic waste and kaolin; mixing and dispersing the aerogel-hydrogel gradient core-shell structure composite modified material and ceramic particles, and sieving to obtain composite powder; compounding sodium bicarbonate and azodicarbonamide with a foaming agent, mixing the foaming agent with the composite powder, and adding a surfactant and a dispersing agent to adjust the viscosity so as to prepare expandable ceramic slurry; the slurry is injected into a mold and coated with low-temperature glaze, and stepped heating sintering is conducted through a tunnel kiln and comprises the steps of preheating glue discharging, primary foaming, secondary sintering, gradient cooling and the like. The thermal insulation performance, the mechanical strength, the weather resistance and the decoration performance are synergistically improved, and the product is low in heat conductivity coefficient, high in compressive strength, excellent in ultraviolet aging resistance, firm in decoration layer combination and suitable for building outer walls and other scenes.

The invention relates to the technical field of stainless steel, in particular to a high-hardness stainless steel band which comprises a stainless steel band body, a primary nitriding treatment nitride layer, a laser cladding high-entropy alloy layer and a secondary nitriding treatment nitride layer. The laser cladding high-entropy alloy layer is obtained by cladding alloy powder on the stainless steel band with the primary nitriding treatment nitride layer through laser, and the alloy powder comprises iron, cobalt, nickel, aluminum and vanadium elements with equal molar weight. The high-hardness stainless steel band has the effect of improving the strength, hardness, wear resistance and corrosion resistance of the stainless steel band, and the high-hardness stainless steel band can keep good working performance for a long time in a severe working condition environment.

The present application relates to the field of high-speed spraying technology, in particular to a supersonic flame spraying process for steam turbine blades. The present application overcomes the problems of insufficient coating bonding strength and poor corrosion resistance of the supersonic flame spraying. The present application uses nickel-coated alumina composite sand for sandblasting pretreatment of the blades to achieve micro-implantation of active nickel; adjusts the ratio of NiCr and Cr3C2-NiCr powders by using double powder feeders to build a gradient structure coating with continuous component change; uses a modified sealing agent containing nano-alumina for vacuum impregnation sealing; and finally obtains finished blades through graded vacuum diffusion annealing. Through surface nickel implantation, gradient structure design and diffusion annealing, the present application realizes metallurgical bonding and thermal stress matching between the coating and the substrate, greatly improving the bonding strength; at the same time, the in-situ ceramicization reaction of the sealing agent eliminates micro-pores, significantly enhancing the corrosion resistance of the coating.

This invention relates to the field of functional textile materials technology, and discloses a fluorine-free waterproof fabric and its preparation process. The fluorine-free waterproof fabric is composed of a host-guest inclusion crosslinking type organosilicon synergistic film-forming agent, an organic small molecule film-forming component, a crosslinking promoter, a dispersant stabilizer, a softening agent, and a solvent. The host-guest inclusion crosslinking type organosilicon synergistic film-forming agent is prepared by forming a host-guest inclusion structure with β-cyclodextrin and adamantane carboxylic acid, followed by reactive modification with 3-isocyanate propyltriethoxysilane. The organic small molecule film-forming component is norbornene-2-carboxylic acid. Through host-guest inclusion, crosslinking, and organic small molecule synergistic film formation, a stable and dense fluorine-free waterproof functional layer is formed on the fabric surface. This invention significantly improves waterproof performance and its washability and abrasion resistance without using fluorine-containing compounds, while also maintaining the soft hand feel of the fabric, demonstrating good environmental friendliness and application prospects.

The invention discloses an auxiliary positioning device for minimally invasive spine surgery, and particularly relates to the technical field of medical instruments, the auxiliary positioning device comprises a B positioning needle, a positioning rod, a depth limiting sleeve, a positioner fixing frame, a positioner adjusting frame, a positioning needle guide rod, an A positioning needle, a guide wire and a hollow positioning rod. According to the invention, all the components cooperate with each other, so that the field-of-view area intersection point of the surgical instrument and the endoscope can be quickly and accurately found. All the components are tightly connected, functions are integrated, meanwhile, the advantages of precise positioning, stable supporting and reliable protection are achieved, the number of times of fluoroscopy is reduced, X-ray harm to doctors and patients is reduced, the precision of minimally invasive spine surgery is effectively improved, tissue damage of the patients is reduced, surgical risks are reduced, surgical efficiency is improved, and meanwhile postoperative recovery of the patients is facilitated.

The invention belongs to the technical field of solid waste treatment and utilization, and particularly relates to modified manganese slag and application thereof in preparation of a cement material. The modified manganese slag disclosed by the invention is prepared by a method comprising the following steps: uniformly mixing maleic anhydride grafted polyethylene, epoxy group modified manganese slag, epoxy group modified nano alumina fiber and epoxy group modified basalt fiber, and then performing melt extrusion to obtain a polyethylene grafted manganese slag-polybasic fiber compound, and uniformly mixing the polyethylene grafted manganese slag-polybasic fiber compound and 5-chlorosulfonyl-2-hydroxybenzoic acid, and carrying out melt extrusion to obtain the modified manganese slag. The basalt fiber and the nano alumina fiber are combined with the manganese slag through chemical bonds and polyethylene long chains to form a compound, so that the combination stability and dispersion uniformity of the basalt fiber, the alumina fiber and the manganese slag can be improved, and the basalt fiber and the alumina fiber can play an anchoring role in a cement material; the mechanical strength and the low-temperature freezing resistance of the cement material are improved.

This invention discloses a method for preparing a supported low-carbon hydrocarbon deodorization catalyst. The method includes: (1) preparing a catalyst containing M... 2+ and M' 3+ (1) Add molecular sieve to the solution and stir evenly; (2) React the obtained suspension with a mixed solution of NaOH and Na2CO3 or a weak alkaline solution under stirring; (3) Obtain the composite carrier by drying and calcination; (4) Prepare a cobalt salt solution and transfer Co to the cobalt salt solution by ion exchange. 2+ (5) After filtration and drying, Co molecular sieve solid alkali is obtained; (6) Co molecular sieve solid alkali, ammonium phthalate sulfonate, urea, ammonium molybdate, and phthalic anhydride are added in proportion and ground evenly; (7) The obtained material is heated under an inert atmosphere to react and obtain the catalyst product. In the catalyst prepared by this invention, sulfonated cobalt phthalocyanine is combined with molecular sieve through chemical bonds, the active component has a stronger binding force and a longer service life.

The waterproof LED display device comprises a waterproof cover and an LED carrier plate, the LED carrier plate comprises a plurality of regularly distributed through holes, and the waterproof cover is provided with protruding hole bodies consistent with the through holes in distribution rule, position and shape; the waterproof cover is arranged on the front face of the LED carrier plate, and the hole body is embedded into the through hole and protrudes out of the back face of the LED carrier plate. A sealing glue layer is arranged on at least one of the front surface and the back surface of the LED support plate; connecting parts are arranged among the hole bodies, and the regularly arranged hole bodies are connected together through the connecting parts; at least one edge of the waterproof cover is of a tooth-shaped edge structure, and the tooth-shaped edge structure is formed by arranging semi-hole bodies and connecting parts. Wherein the hole body on the waterproof cover is embedded into the through hole, so that the light transmission of the LED support plate is not influenced. Meanwhile, at least one of the front surface and the back surface of the LED support plate is provided with the sealing glue layer, so that moisture, dust and other external factors can be effectively prevented from invading the LED support plate.

The application provides a kind of hydrophilic tubular membrane, including support layer and separation layer successively from inside to outside;The pore size of the support layer is 0.5-1.5 μm, the pore size of the separation layer is 30-80 μm, and the support layer and the separation layer are diffused and intertwined at the interface, forming a continuous gradient structure without obvious interface.The separation layer contains modified nanosilica by silane coupling agent.The application effectively reduces the mass transfer resistance by gradient structure, significantly improves the hydrophilicity and anti-pollution performance of the membrane surface by using modified nanosilica, and has strong interlayer bonding strength, which is suitable for high-pollution industrial wastewater treatment and other fields.

The application discloses a kind of multistage synergic covalent grafting type hydrolysis-resistant self-cleaning PET submarine cable monofilament and preparation method, the monofilament includes three parts of core layer, skin layer and surface layer, the core layer is the high viscosity polyethylene terephthalate resin containing carbodiimide anti-hydrolysis agent;Skin layer is the modified PET resin of functional polysiloxane covalent grafting, wherein the functional polysiloxane has epoxy end group or isocyanate end group, and main chain has Si-H group;Surface layer is the fluorine-free low surface energy layer formed by polyvinyl long side chain alkane polysiloxane and residual Si-H group in skin layer through hydrosilylation reaction.The application significantly improves the durability of monofilament in humid heat environment, so that it is suitable for long-term humid heat service environment such as marine cable and industrial fabric, and can maintain stable mechanical strength and self-cleaning performance for a long time.

This invention discloses a high-stability lithium battery separator, its preparation method, and its application, relating to the field of lithium-ion battery separator materials technology. The key technical points are that the separator is a multilayer composite structure, comprising: a polyolefin microporous base membrane; a ceramic nanoparticle layer uniformly loaded on the surface of the base membrane; and a cross-linked polymer coating covering the ceramic layer. The ceramic nanoparticles have a particle size of 10-100 nm, the coating thickness is 1-5 μm, and the overall separator porosity is 35%-55%. The ceramic nanoparticles are selected from at least one of alumina (Al2O3), titanium dioxide (TiO2), or magnesium hydroxide (Mg(OH)2), and are fixed to the base membrane surface by a sol-gel method or a spraying method. The ceramic nanoparticle layer constructs a heat-resistant support framework, which can limit the dimensional shrinkage of the polyolefin microporous base membrane under high-temperature conditions, reducing the risk of short circuits caused by separator thermal shrinkage.

The invention relates to the technical field of chemical synthesis, and discloses a PMMA impact modifier and a preparation method and application thereof.The PMMA impact modifier comprises a core layer, a transition layer and a functional shell layer, the core layer is sequentially coated with the transition layer and the functional shell layer, the core layer is a soft monomer crosslinking layer, the transition layer is a soft monomer and hard monomer crosslinking layer, the functional shell layer is a hard monomer crosslinking layer, the functional shell layer contains a photochromic component. Through the multi-layer structural design of the core layer, the transition layer and the functional shell layer, the shock resistance, the optical performance and the functional performance are synergistically improved; the core layer endows the material with good toughness and energy absorption capability, the transition layer effectively buffers performance difference between layers and keeps transparency, and the functional shell layer introduces a photochromic component while ensuring structural rigidity and durability, so that the material has a peep-proof function under the change of illumination conditions; the method is suitable for application scenes with high requirements on safety and functionality, such as PMMA products, automobile glass and the like.

The application relates to an LED light-emitting module, an LED packaging structure and a related manufacturing method, and relates to the technical field of semiconductor light emission. Each light-emitting diode chip is packaged in advance, a plurality of annular grooves are formed in the first packaging layer, each annular groove surrounds a corresponding light-emitting diode chip, a magnetic adsorption structure is formed in each annular groove, the magnetic adsorption structure is embedded into a plurality of second grooves, the peeling of the magnetic adsorption structure can be effectively avoided, the magnetic adsorption structure is magnetized, the above magnetic adsorption structure can realize the detachable connection of the light-emitting diode chip and the circuit substrate, the printing of solder and the reflow soldering process can be avoided, the manufacturing cost is greatly reduced, and since the light-emitting diode chip and the circuit substrate are detachably connected, the removal of a defective light-emitting diode chip is facilitated, and the repair of the light-emitting module can be smoothly realized.

The invention relates to a super-hydrophobic oleophylic cellulose composite aerogel material and a preparation method thereof.The preparation method comprises the following steps that S1, cellulose wet gel is placed in tetraethoxysilane hydrolysate, the pH value is adjusted to be alkaline, and SiO2 reinforced cellulose composite aerogel is obtained through soaking treatment and drying treatment; s2, soaking the SiO2 reinforced cellulose composite aerogel in an alkyl siloxane solution for hydrophobic modification treatment, and drying to obtain the super-hydrophobic oleophylic cellulose composite aerogel material. The surface roughness of cellulose aerogel is properly improved by controlling the pH value in the reaction process to be alkaline, regulating and controlling the particle size and the protrusion size of SiO2 particles and realizing compounding of cellulose and SiO2, and then hydrophobic modification is performed through alkyl siloxane to prepare the super-hydrophobic oleophylic cellulose composite aerogel material which has excellent oil absorption performance and can be used for preparing the super-hydrophobic oleophylic cellulose composite aerogel material. And repeated utilization can be realized.

The invention provides a health-care feed additive for enhancing animal immunity and a preparation method thereof, and belongs to the field of feed additives. The preparation method comprises the following steps: preparing a composite enzymatic hydrolysate, preparing a composite extracting solution, preparing a pre-composite carrier, modifying the carrier, and mixing the preparation. The health-care feed additive capable of enhancing the animal immunity can effectively reduce the dosage of antibiotics in the animal feeding process, can improve the animal immunity through the synergistic and stable cooperation of various plant components and other raw materials, and can condition animal bodies in a health-care manner, and the utilization rate of the plant components is high; the stability, the anti-interference performance and the anti-oxidation performance of plant components in the feed additive are improved, and the storage resistance of the feed additive is improved.

The invention provides a high-flux and high-chemical-resistance composite nanofiltration membrane as well as a preparation method and application thereof. The nanofiltration membrane comprises a polyethersulfone porous support layer, a middle layer formed by reaction of macrocyclic polyamine and epoxy modified organic silicon resin emulsion, and a polyamide separation layer formed on the middle layer. Wherein the middle layer is formed by loading macrocyclic polyamine and epoxy modified organic silicon resin emulsion on the polyethersulfone porous supporting layer and carrying out heat treatment reaction and curing reaction, and the separation layer is prepared by carrying out interfacial polymerization reaction on a water phase containing polyamine and an organic phase containing polyacyl chloride. The intermediate layer provides reaction sites, regulates and controls a polyamide separation layer structure, constructs an effective water channel, effectively improves the membrane flux, and active sites of the intermediate layer can prevent polyamide from direct chemical attack, so that the chemical resistance of the membrane is improved.

The invention provides a negative electrode plate, a negative electrode plate preparation method and a battery, the negative electrode plate comprises a negative electrode active material layer, the negative electrode active material layer comprises a negative electrode active material and a modified binder, the negative electrode active material comprises a silicon carbon material and a polar coating, and the polar coating coats the silicon carbon material; the modified binder comprises a binder precursor, and an epoxy compound is grafted on the binder precursor. According to the negative plate provided by the invention, the silicon-carbon material is coated with the polar coating, the negative plate can be tightly attached to the silicon-carbon surface by utilizing polar interaction, the volume expansion of the silicon-carbon material is inhibited in the cyclic charging and discharging process, and meanwhile, the modified binder grafted with the epoxy compound can be used for inhibiting the volume expansion of the silicon-carbon material through the strong interaction among the epoxy compound, the silicon-carbon material and the polar coating. According to the present invention, the structure loosening caused by expansion is inhibited, and the flexibility of the binder is optimized, such that the binder can adapt to the expansion and shrinkage of silicon carbon, and the shedding of the active material and the side reaction of the electrolyte during the circulation process are reduced so as to effectively alleviate the capacity fading and improve the cycle life.

The embodiment of the present invention discloses a silver-doped hard carbon composite material, which is obtained by carboxylating hard carbon, mixing it with a silver ammonia solution and a formaldehyde solution to load silver, and then mixing it with an organic solution of a lithium salt for pre-lithiation, and then carbonizing it. The present invention uses a silver mirror reaction to load nanosilver on the hard carbon material. During the silver mirror reaction, silver ions will gradually deposit on the hard carbon material to form a large number of nanosilver particles, making the silver distribution more uniform and the binding of nanosilver to the hard carbon material stronger. The hard carbon precursor is carboxylated, and the acidic groups on the surface of the carboxylated hard carbon will destroy the conversion balance of the silver ammonia complex ions in the alkaline silver ammonia solution, making it easier for nanosilver to deposit and grow on the surface of the carboxylated hard carbon grafted with acidic groups, and finally forming nanosilver particles with higher binding strength to the surface of the carboxylated hard carbon. The present invention improves the electronic conductivity of the material, improves the rate performance and increases its first efficiency.

The invention belongs to the field of optical communication transmission, and particularly discloses a high-strength tensile optical cable and a preparation method thereof.The optical cable comprises a cable core body and a sheath body, the sheath body wraps and is attached to the outer portion of the cable core body, the cable core body comprises a multi-layer stranded center reinforcing structure and a plurality of optical fiber units, and the optical fiber units are arranged in the multi-layer stranded center reinforcing structure. The periphery of the multi-layer stranded central reinforcing structure is provided with a thread wire slot, and the plurality of optical fiber units are arranged around the multi-layer stranded central reinforcing structure; the cable core body further comprises a waterproof layer, and the waterproof layer is wrapped outside the multi-layer twisted central reinforcing structure and the optical fiber unit. The sheath body comprises an inner-layer co-extrusion sheath and an outer-layer co-extrusion sheath which are sequentially arranged from inside to outside, and the inner-layer co-extrusion sheath is coaxially sleeved outside the waterproof layer. According to the invention, the cable core body is formed by the multi-layer twisted central reinforcing structure and the optical fiber unit, and the sheath body is of a double-layer structure, so that the strength and tensile resistance of the optical cable can be effectively improved.

The utility model discloses a composite building decorative plate which comprises a surface layer, a core layer and a bottom layer. The surface layer, the core layer and the bottom layer are sequentially connected from top to bottom; materials of the surface layer and the bottom layer include but are not limited to metal or non-metal materials. A plurality of groups of built-in grooves are formed in the core layer at equal intervals in a penetrating manner; the top of the bottom layer is integrally connected with multiple sets of reinforcing pieces at equal intervals. The reinforcing pieces are connected into the built-in grooves in an embedded mode, and the tops of the reinforcing pieces are fixedly connected with the bottom of the surface layer. According to the composite building decoration plate, the heat preservation function and the decoration function are integrated together, a novel external wall heat preservation and decoration integrated system is formed, the composite building decoration plate is good in heat preservation effect, and due to the fact that high-quality heat preservation materials and a special composite technology are adopted, the plate has the high heat preservation performance and the high sealing performance; the heat bridge phenomenon and the condensate water problem are effectively prevented, flame spreading and smoke generation can be effectively prevented, and the building safety is improved.

The invention relates to the technical field of blade repairing treatment, discloses a cold spraying repairing method for an aluminum alloy blade and aims to solve the problems that a base body is prone to being damaged and the performance of a repairing layer is poor in an existing repairing method. The method comprises the steps of mechanical polishing, cold spraying, mechanical coping and follow-up protection, specifically, surface inspection, pretreatment, spraying operation and multi-dimensional inspection are sequentially conducted on cold spraying, 501.1-mark pure aluminum-Al2O3 mixed powder is adopted, after positioning and precise parameter spraying are conducted through a special tool, coping is conducted till the molded surface requirement is met, and then micro-arc oxidation and paint spraying protection are conducted. The method is low in cold spraying temperature, free of damage to a base body, excellent in repairing layer performance, high in precision, high in corrosion resistance and abrasion resistance and stable and reliable in process, the operation and maintenance cost can be remarkably reduced, and the service life of the paddle is prolonged.

This utility model discloses a wrapping structure, including a wrapping layer. The wrapping layer includes a first bonding portion and a second bonding portion formed by bending from one side of the first bonding portion. The second bonding portion is used to bond with a second side. A bending portion is formed between the first bonding portion and the second bonding portion. The inner side of the bending portion is provided with a groove to release the stress generated by bending of the wrapping layer and prevent warping of the wrapping layer. This utility model effectively releases the stress generated when the wrapping layer is bent by providing a groove on the inner side of the bending portion of the wrapping layer, solving the problem of warping or even detachment of thin metal products after wrapping due to the reverse stress of the PET molding layer being greater than the bonding force of the base adhesive. At the same time, the layered design of the wrapping layer and the cooperation between the bonding portion and the bending portion, combined with the targeted setting of the groove, enable the wrapping structure to precisely bond with each side of the product, improving the bonding stability with the product, and is especially suitable for thin metal products with small thickness.

The invention relates to the technical field of batteries, in particular to a composite insulating coating, a preparation method thereof, a battery cell and application of the battery cell. The composite insulating coating comprises a coating layer and a bonding layer which are arranged in a laminated mode, the coating layer is arranged on the surface of the application matrix in an attached mode and comprises organic components with electronegative functional groups and electropositive metal ions, and a dynamic cross-linked network structure is formed through complexation; the bonding layer is arranged on the surface of the coating layer and comprises an organic matter containing a polar functional group; at least on the interface of the coating layer and the bonding layer, the polar functional group in the organic matter and the electronegative functional group in the organic component form chemical bonding. The composite insulating coating can collaboratively seal electrolyte, has high mechanical stability, and can block long-period corrosion; meanwhile, the material has high insulativity, high toughness and an interface self-repairing function, can improve the hidden danger of microcracks caused by uneven stress of a matrix when being applied to a battery cell, reduces the risk of abnormal high-voltage electric breakdown of the matrix, and improves the long-term use reliability of the battery cell.

The application discloses a preparation method of modified polyether ether ketone composite material and application of the modified polyether ether ketone composite material in preparation of high-temperature insulation coating. The preparation method comprises the following steps: S1, mixing a solution containing KH-560 with nano-silicon dioxide, ultrasonic dispersion reaction is carried out at 50-60 DEG C for 2-3 hours, and then the solvent is removed to obtain modified nano-silicon dioxide; S2, after the prepared modified nano-silicon dioxide is premixed with polyether ether ketone powder, ball milling is carried out in a planetary ball mill, drying is carried out, heat treatment is carried out, and furnace cooling is carried out, and then the modified polyether ether ketone composite material is obtained. According to the scheme, the surface of the silicon dioxide is modified by the epoxy group of KH560, the epoxy group of KH560 is combined with the PEEK matrix to form a covalent bond, and the interface bonding strength and the thermal stability are significantly improved. On this basis, the nano-level uniform dispersion of the silicon dioxide in the pure PEEK matrix is realized by combining the ultrasonic dispersion and the planetary ball milling process.

The present application relates to a non-ferrous metal part coating material and a hot-dip plating preparation method thereof, and belongs to the technical field of metal surface treatment and hot-dip plating material. The coating material comprises a first coating material and a second coating material. In the preparation, the non-ferrous metal part is subjected to oil removal, micro-roughening and zinc-nickel-tin activation treatment, so that a zinc-nickel-tin activation primer film is formed on the surface of the non-ferrous metal part. Then, the non-ferrous metal part is subjected to first-stage low superheat hot-dip plating and second-stage corrosion-resistant hot-dip plating in sequence, so that an interface transition layer containing zinc, nickel and tin, a mutual diffusion buffer layer containing zinc, aluminum and magnesium, and a corrosion-resistant outer layer containing zinc, aluminum and magnesium are formed in sequence from the inside to the outside. The present application takes aluminum alloy parts as the main applicable object and takes into account the protection area of non-direct electrical contact copper alloy, can improve the wettability and interface bonding stability in the hot-dip plating process of the non-ferrous metal part, and improve the coverage of complex structure area, salt mist corrosion resistance and cold-hot cycle stability.

The utility model relates to the technical field of vamps, and discloses an impact-resistant wear-resistant vamp which comprises a vamp body, toe protection blocks are fixedly connected to the outer wall of the vamp body, air holes are formed in the vamp body, flexible supporting strips are fixedly connected to the outer wall of the vamp body, outer-layer wear-resistant mesh cloth is arranged in the vamp body, and the outer-layer wear-resistant mesh cloth is arranged in the vamp body. The bottom of the outer-layer wear-resistant mesh cloth is fixedly connected with an anti-impact buffer layer, and the bottom of the anti-impact buffer layer is fixedly connected with an inner-side comfortable layer. According to the utility model, the impact force is dispersed through the foaming polyurethane buffer layer and the crossed supporting strips, so that the pressure on the feet during exercise is reduced, and the fatigue feeling is reduced; the hard protection blocks further protect the toes and avoid external force damage, the effect of improving the impact resistance is achieved, the problem that when a shoe is worn, supporting force is weak, and the shoe is prone to being damaged when being collided is solved, and the impact resistance of the vamp is improved.

The embodiment of the invention provides a display module and a display device. According to the display module, the first bonding layer at least comprises the first part, the first part at least corresponds to the edge part, and the impedance of the first part is larger than that of the second bonding layer, so that the first part with larger impedance can block static electricity, and the static electricity is prevented from influencing a display part in the display panel; the second bonding layer with smaller impedance can be formed by adopting a material with better thermal stability, and compared with the first part, the thermal stability of the second bonding layer is improved, so that the binding stability of the display module is improved, and the antistatic effect and the binding stability of the display module are considered.

The application belongs to the technical field of textile fabric functional finishing, and particularly relates to a preparation method of super-hydrophobic fabric. The preparation method of the super-hydrophobic fabric comprises the following steps: pretreating cotton fabric by using a zinc ion mixed solution of sodium hydroxide to obtain cotton fabric containing a zinc oxide seed layer; then immersing the cotton fabric containing the zinc oxide seed layer in a mixed solution of a zinc nitrate aqueous solution and a hexamethylenetetramine aqueous solution to obtain a ZnO composite fabric; and finally using the bridging effect of a mercapto silane coupling agent to bond low-surface-energy polydimethylsiloxane and octavinyl octasilsesquioxane to the cotton fabric to obtain the super-hydrophobic fabric. The above method can endow the fabric with excellent hydrophobicity and improve the washing resistance of the hydrophobic effect.