47results about How to "Prevent peeling" patented technology

A kind of copper clad steel grounding wire is used to straightening device, it is related to copper clad steel grounding wire straightening technical field, including mounting plate and the support frame for supporting mounting plate, a group of straightening rollers for extruding grounding wire is rotationally arranged on mounting plate, and once straightening area is formed between two straightening rollers, which can be passed through by grounding wire, first sliding plate capable of sliding along the direction perpendicular to the movement direction of grounding wire is arranged on mounting plate, and another straightening roller is rotationally connected with first sliding plate;Multiple auxiliary rollers are arranged on the side of straightening roller away from the entry of grounding wire, and multiple auxiliary rollers are respectively located at the two sides of grounding wire, so that secondary straightening area is formed between the two sides of auxiliary roller of grounding wire, which can be passed through by grounding wire, multiple second sliding plates capable of sliding along the direction perpendicular to the movement direction of grounding wire are arranged on mounting plate, and second sliding plate is located at the same side with first sliding plate, corresponding second sliding plate is rotationally connected with the side auxiliary roller, and the interval between straightening rollers can be adjusted to adapt to grounding wire of different diameters.

The utility model discloses a scratchproof steel roll hoisting sling and buffer protection device belongs to metallurgical product hoisting equipment technical field, scratchproof steel roll hoisting sling and buffer protection device, including main rod and ring, the ring is screwed on the top of main rod, the below of main rod is connected with riser, the below of riser is connected with the connecting seat of bolt, and the left lower corner and right lower corner position of riser are installed with conical seat respectively, through setting up by the flexible clamping structure of arc seat and arc clamp cover, realized to the full package formula, non -injury clamping of steel roll outer circumferential surface, in the hoisting process, two arc seats are driven under the four connecting rod mechanism and move inwards synchronously, and the arc clamp cover of its inside is made of flexible material (rubber), can completely adhere to the outer circumferential surface of steel roll, and this clamping mode avoids the mode of traditional sling insertion steel roll inner diameter or with metal hook, thoroughly eliminates the direct contact of metal parts and steel roll surface.

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.

This invention provides a drug delivery device pad. The pad comprises an elastic outer layer, a sealing middle layer, and a leak-proof inner layer stacked sequentially, with the three layers integrally connected by heat fusion, adhesive bonding, or welding. The elastic outer layer is made of silicone or polyurethane, providing flexible cushioning to prevent relative sliding with the drug delivery device; the sealing middle layer is made of EPDM rubber or hydrogenated nitrile rubber, enhancing pressure resistance and long-term sealing performance; the leak-proof inner layer is made of fluororubber or polytetrafluoroethylene, forming an inert protective layer to block the risk of drug adsorption or oxidation. The layers are connected by an interlocking structure and a locking block-slot physical locking method, achieving double fixation and preventing peeling. This invention balances elastic deformation and structural stability, effectively solving the problems of easy deformation and damage, poor sealing performance, and drug adsorption in traditional pads, significantly improving the sealing reliability and drug protection performance of the drug delivery device.

The utility model relates to waste collection technical field, the utility model provides a waste tank for converter, it includes inner lining, the inner side of inner lining is installed with support mechanism, the support mechanism is used for supporting integral structure, the inner bottom wall of inner lining is installed with vibration mechanism. In the utility model, the fixed frame is erected equidistantly and perpendicularly on the ground, the long plate no.

This invention discloses a tensile-strength steel-cored aluminum stranded wire, relating to the technical field of steel-cored aluminum stranded wire. The tensile-strength steel-cored aluminum stranded wire of this invention comprises at least: a steel core; a Zn-Ni-WC composite coating, electroplated on the steel core; aluminum strands, stranded on the steel core coated with the Zn-Ni-WC composite coating; and an anti-corrosion coating applied to the stranded aluminum strands. The anti-corrosion coating comprises the following raw materials in parts by weight: 60-70 parts of long-chain modified polyurethane acrylate prepolymer; 25-30 parts of acrylate isoborneol ester; 15-20 parts of dopamine-modified sustained-release microcapsules; 2-5 parts of photoinitiator; 0.5-1.5 parts of leveling agent; and 0.5-1.5 parts of dispersant. This invention, by setting a Zn-Ni-WC composite coating on the steel core and an anti-corrosion coating on the steel-cored aluminum strands, enables the prepared tensile-strength steel-cored aluminum stranded wire to possess superior corrosion resistance and ultra-long-term tensile strength retention.

A coated steel sheet with low brightness from the moment of preparation and suppressed coating peeling is provided. The coated steel sheet of the present invention has a coating consisting of Al of 1.0 to 22.0% by mass, Mg of 1.5 to 10.0% by mass, and the remainder being Zn and any trace additives. The lightness L of the surface of the coated steel plate is less than 50, and the X-ray diffraction spectrum obtained by X-ray diffraction satisfies all of the following conditions (1) to (3): (1) A / B is more than 0.001 and less than 0.015; (2) A / C is more than 1.2; (3) The half-width d of the peak of A is more than 0.30 degrees and less than 1.00 degrees, where A is the peak intensity of the peak representing the 100 plane of ZnO that appears at 31.27 degrees or more and between 32.27 degrees, B is the peak intensity of the peak representing the 101 plane of Zn that appears at 42.73 degrees or more and between 43.73 degrees, and C is the intensity at 30.00 degrees of 2θ.

A sealing structure for a waterproof switch includes a switch body and a waterproof shell. The switch body has a base at its opening for fixing pins. The base is sealed to the inner wall of the switch body. The waterproof shell is snapped onto the base. A reinforcing layer is provided on the base. Each end face of the reinforcing layer along the pin distribution direction has a first snap-fit ​​plate. Each first snap-fit ​​plate includes a snap-fit ​​portion protruding from the reinforcing plate along the pin distribution direction. The waterproof shell has two first snaps corresponding to each snap-fit ​​portion on each side. A first snap-fit ​​groove is formed between the snap-fit ​​portion and the base for the first snaps to engage. The beneficial effect of this invention is that the symmetrical arrangement of the double first snaps and double snap-fit ​​groove structure significantly improves the bonding strength between the waterproof shell and the base.

Insertion of a welding rod is inhibited from being poor, and the like. A secondary battery in which an electrode roll body in which a strip-shaped positive electrode and a strip-shaped negative electrode are stacked with a separator interposed, a positive electrode current collecting plate, and a negative electrode current collecting plate are housed in a battery can, the electrode roll body has a flat surface and a groove formed in the flat surface, the flat surface is formed by bending either one or both of a positive active material non-covered portion and a negative active material non-covered portion toward a central axis of a structure after winding and overlapping each other, in the case of observing in cross section with a cross section obtained by cutting with a plane passing through the central axis, a hole portion formed at a portion obtained by bending has a first diameter and a second diameter which are substantially parallel to a stacking direction, the first diameter is located at a position closer to an inside of the electrode roll body than the second diameter, and the diameter substantially continuously increases from the first diameter to the second diameter.

This invention discloses a method for preparing homogeneous polymethacrylimide microwave absorbing foam, relating to the field of homogeneous polymethacrylimide microwave absorbing foam technology. The method includes: sequentially batching a top layer, a middle layer, and a bottom layer of a precursor; performing high-speed shearing and stirring to obtain layered foamed precursors; slowly injecting the bottom layer, middle layer, and top layer of the precursor into the same sealed mold, allowing each layer to stand for 1-5 minutes after injection; placing the mold in a 60-80℃ water bath for 5-8 hours to allow partial polymerization and thickening of each layer, while retaining sufficient active groups at the interface; and injecting a CO2 / acetone mixture into the mold without demolding, allowing the fluid to plasticize and solubilize in each layer of prepolymer, forming bubble nuclei on the microcrystalline fibers and template surface. The method of this invention employs a layered injection molding + one-time heating foaming-curing + template removal scheme, achieving continuous manufacturing from liquid precursor to solid finished product, improving production efficiency and reducing costs.

The application discloses a kind of antifouling self-cleaning cooling multifunctional coating and preparation method thereof.Coating main component has: water-based commercial white paint, alpha phase phosphogypsum (alpha-HPG), water-based polyurethane (WPU), ethyl acetate (EA), stearic acid (SA), N, N-dimethylformamide (DMF).First, water-based commercial white paint and alpha-HPG are modified respectively, then slurry is prepared by using simple blending method at room temperature, and coating is plated by doctor blade method, i.e. the double functional composite coating with excellent hydrophobicity and non-energy consumption cooling effect can be prepared.

This application discloses a secondary battery and an electrical device. The secondary battery includes electrode plates and a composite separator, the composite separator being located on one side of the electrode plates. The composite separator includes a first base film, a second base film, and a gel electrolyte located between the first and second base films. The gel electrolyte includes at least one of a polyether compound and a polyester compound. This secondary battery exhibits good cycle performance.

The utility model relates to the field of wear -resisting material and parts, disclose detachable combination type wear -resisting ball, including base body, the outer wall of base body is connected with a plurality of connecting columns fixedly, a plurality of connecting columns away from the one end of base body all are connected with fixed disc fixedly, the inside screw thread connection of fixed disc has fixed column, the outside of base body is equipped with a plurality of housings. In the utility model, through the accurate embedding of the sharp end of the opener into the inner wall of the groove on the top of the fixed column, steady force is applied to rotate in the counterclockwise direction, the fixed column is unscrewed from the inside of the fixed disc by virtue of the lever principle to overcome the thread resistance, then, the damaged housing can be easily taken off from one side of the fixed disc due to the loss of the constraint of the fixed column, after replacing the new housing, the positioning disc is aligned with the preset clamping groove in the housing and is vertically pressed and embedded, ensuring accurate positioning, finally, the opener is used again to resist the groove and rotate clockwise.

This invention provides an antistatic fabric based on modified acrylic fiber and its preparation process, belonging to the field of textile fabric technology. The process includes the following steps: first, preparing modified acrylic fiber and organosilicon quaternary ammonium salt modified CNW; then, mixing and stirring the modified acrylic fiber, DMF, and organosilicon quaternary ammonium salt modified CNW to obtain a spinning solution; mixing anhydrous ethanol and organosilicon quaternary ammonium salt modified CNW, and ultrasonically treating to obtain a dispersion; in a conjugate electrospinning device, feeding the spinning solution and dispersion into two sets of needles respectively, and electrospinning the spinning solution to form nanofibers under the action of a high-voltage electric field; feeding cotton yarn into the electric field region, causing the nanofibers to spirally wind around the surface of the cotton yarn and form a coating shell; and electrostatically spraying the dispersion to deposit the organosilicon quaternary ammonium salt modified CNW onto the surface of the coating shell; collecting and winding to obtain a fiber core-spun yarn, and weaving the fiber core-spun yarn to obtain the antistatic fabric. This invention can improve the antistatic performance of the fabric while also possessing certain antibacterial properties.

The application discloses a production method for improving the binding force of a multilayer copper current collector, and relates to the technical field of current collector production.The production method solves the problems of poor binding force between a base film and a copper metal layer, easy peeling and many pinholes in a traditional composite current collector.The production method comprises four steps: base film pretreatment, argon-oxygen plasma treatment of both sides of the base film; irradiation grafting, covalent grafting of ethyl vinyl methacrylate and glycidyl methacrylate to the surface of the base film; magnetron sputtering bottoming, deposition of a seed layer on the surface of the base film; and electroplating thickening, formation of the copper metal layer by using an electroplating solution containing copper sulfate, hydrochloric acid, sulfuric acid and an additive in a specific proportion.The method of the application converts mechanical binding into chemical bonding through the synergistic effect of 'plasma pretreatment+UV grafting', significantly improves the interlayer peeling force, reduces pinhole defects, is stable in process and easy to be industrialized, and helps the development of high-performance batteries.

This utility model discloses a detachable and replaceable bridge deck drainage pipe device, including a steel sleeve, a drainage ring, a waterproof gasket, a grating cover, an inner drainage pipe, and a sealing and fixing layer. One end of the steel sleeve is threadedly connected to the drainage ring; the drainage ring is installed in an installation hole drilled in the bridge body, and its other end serves as an inlet connected to a drainage ditch. A second annular step is also provided on the inner wall of the pipe body; the grating cover is embedded in the inlet; one end of the inner drainage pipe has a retaining ring on its outer circumference, and the other end protrudes from the steel sleeve; the retaining ring is located inside the drainage ring; the waterproof gasket is fitted onto the inner drainage pipe, with its two ends respectively contacting the retaining ring and the second annular step for sealing and waterproofing; the sealing and fixing layer fills and seals the gap between the drainage ring and the installation hole. This utility model's drainage pipe device effectively isolates rainwater from contact with the steel sleeve and bridge reinforcement, preventing corrosion and concrete spalling, and improving bridge durability.

This utility model discloses a diamond composite grinding disc, comprising a mounting substrate and a diamond grinding layer. Beneficial effects: The mounting substrate and the base post are integrally connected. The shear force generated during grinding is transferred to the base post through the insertion hole, and then to the mounting substrate through the base post. The base post, instead of the adhesive, bears most of the shear force, thus significantly improving its integrity and shear resistance, avoiding peeling, and enhancing stability in use. Simultaneously, the top surface of the mounting substrate is integrally connected to top fins, which expand the heat dissipation area of ​​the top surface of the mounting substrate. Part of the heat generated during grinding is transferred to the mounting substrate through the base post and dissipated outwards through the expanded top fins on the top surface of the mounting substrate, significantly improving heat dissipation performance. The base post also simultaneously increases its heat conduction area, further improving heat dissipation performance and avoiding cracking problems caused by different thermal expansion efficiencies between different materials, further enhancing stability and work efficiency in use.

This invention relates to a humidifier for fuel cells. The humidifier for fuel cells includes a humidification unit for generating humidified air, comprising: a first separator forming a dry gas flow path; a second separator forming a water-containing gas flow path; a humidification membrane for generating humidified air by imparting moisture contained in the gas flowing in the water-containing gas flow path to the dry air flowing in the dry gas flow path; a protective film for reinforcing the humidification membrane; and a sealing member disposed along a first outer edge of the humidification membrane and sealing between the dry gas flow path and the water-containing gas flow path, wherein a close-fitting area is formed between the first outer edge of the humidification membrane and the second outer edge of the protective film.

This utility model relates to the field of iron and steel smelting technology, specifically to a converter mouth sealing structure, comprising magnesia-carbon bricks. The magnesia-carbon bricks are arranged in a ring-like layer below the furnace mouth, in a top-to-bottom order, comprising a first layer of magnesia-carbon bricks, furnace cap magnesia-carbon bricks, furnace body magnesia-carbon bricks, molten pool magnesia-carbon bricks, and furnace bottom magnesia-carbon bricks. The first layer of magnesia-carbon bricks is positioned below the furnace mouth, and an expansion joint is formed between the first layer of magnesia-carbon bricks and the furnace mouth. The expansion joint is filled with ramming material, and extruded steel plates are inserted into the ramming material. The ramming material is sealed within the expansion joint by a steel strip. This utility model improves the stability of the ramming material by inserting extruded steel plates into the ramming material and using a steel strip to seal the ramming material in the expansion joint, preventing the ramming material and magnesia-carbon bricks from falling off during converter opening and tilting charging.

The utility model provides a building outer wall line foot drainage device of reasonable structure design has safety, durability, aesthetic property. The utility model discloses a drainage groove, fixing piece and drain pipe, the fixing piece fixed setting is on the line foot upper portion, the middle part fixed setting of fixing piece has fixing piece clamping edge, and the drainage groove clamping fixed is on fixing piece clamping edge, the middle position of drainage groove is provided with the drainage hole, and the upper surface of the part of drainage groove far from the drainage hole is high, and the upper surface of the part of drainage hole near is low, the drain pipe is embedded in the line foot, and its top stretches out line foot rear and is connected with the drainage hole, and its bottom stretches out line foot.

The application relates to a polyionic liquid binder suitable for vulcanized polyacrylonitrile and a preparation method and application thereof, which is obtained by carrying out an alkylation reaction and a polymerization reaction on bromo-n-butane and 1-vinylimidazole, and then carrying out an anion exchange reaction on lithium bis(trifluoromethylsulfonyl) imide and sodium anthraquinone-2-sulfonate. The polyionic liquid binder can anchor polysulfide on the polymer chain through the electrostatic interaction between the lone pair electrons in the molecular chain and the polysulfide, effectively inhibits the shuttle effect, contains a quinoid structure which can act as a redox medium to accelerate the electron transfer process and improve the interface kinetic performance of the SPAN positive electrode, has excellent bonding performance and mechanical strength, can significantly improve the structural integrity and electronic conduction continuity of the electrode in the cycle process, and prolongs the cycle life of the electrode. The obtained binder can be widely applied to SPAN-based positive electrodes of lithium ion batteries and provides effective technical support for solving key problems such as volume expansion and poor conductivity of SPAN materials.

This invention relates to a seamless can having an inner surface coating at least on its inner surface side, and a coated metal sheet capable of being formed into such a seamless can. The seamless can is characterized in that the inner surface coating contains a polyester resin and a first-order phenolic resin and / or an amino resin as a curing agent, and the gel fraction (A) of the inner surface coating, as shown in the following formula, is 55% or more and less than 90%. This provides a seamless can with excellent resistance to boiling whitening, resistance to embrittlement over time, no coating peeling during heat treatment after forming, and excellent coating coverage, particularly for deep-drawn and thinned cans. Gel fraction (A) = (W2a / W1a) × 100 (%) where W1a represents the mass of the inner surface coating after separation from the coated metal substrate cut from the seamless can, and W2a represents the mass of the separated inner surface coating after immersion in MEK at room temperature for 60 minutes, followed by removal and drying.

This utility model relates to the field of solid wood furniture processing technology, and discloses a surface patina application device for solid wood furniture processing, including a processing table; a mounting frame fixedly connected to the top of the processing table; two fixing blocks fixedly connected to the top sides of the processing table; a motor fixedly connected to the outside of the right-side fixing block; two meshing gears, gear one fixedly connected inside the motor; two rotating rods and two connecting discs, the two rotating rods rotatably connected inside the two fixing blocks, and the bottom of the right-side rotating rod fixedly connected inside gear two; two electric push rods and two clamps. This utility model achieves automatic flipping of furniture parts during the spraying process, eliminating the need for manual flipping operations, reducing operational complexity and labor intensity, thereby improving equipment efficiency.

The application discloses a kind of composite fabric with double-sided hetero-functional and preparation method thereof, adopt the three-layer composite structure of first functional layer, intermediate layer, second functional layer from inside to outside in turn, interlayer is connected by adhesive, through the synergistic effect of double-charge surface and adhesive of intermediate layer, interlayer bonding is reinforced by electrostatic attraction direction, simultaneously charge repulsion effect blocks anion hydrophobic agent and cationic hydrophilic agent molecule mutual penetration, avoid function mutual interference;When the deformation of concave quadrilateral negative poisson's ratio structure, intermediate layer flexible base cooperates controllable gap deformation to absorb stress, prevent interlayer peeling or functional layer wrinkle, charge layer also keeps stable distribution due to electrostatic constraint;Finally realize the synergistic effect that structure stiffness is uniform under dynamic deformation, interlayer peeling strength is significantly improved, and the dual needs of structure stability and function reliability in dynamic scene such as intelligent wearing are considered.

This application relates to the field of display technology, disclosing an adhesive layer and its preparation method, a flexible display panel, and a display device. The adhesive layer includes: a first flexible layer, a heat dissipation layer, and a second flexible layer sequentially disposed therefrom; wherein the heat dissipation layer includes a graphene layer and a step adhesive layer; the first flexible layer has a first surface connected to the heat dissipation layer; the graphene layer has a second surface connected to the first flexible layer; the area of ​​the second surface is smaller than the area of ​​the first surface; the step adhesive layer is distributed on the outer periphery of the graphene layer such that the sum of the projected area of ​​the step adhesive layer on the first surface and the area of ​​the second surface equals the area of ​​the first surface. Applying this flexible display panel can effectively improve the heat dissipation uniformity of the flexible display panel.

The present application relates to blood potassium detection test paper, preparation method and blood potassium detection device and working method belong to blood potassium detection technical field, solve the defects existing in current detection device, including the base, the middle layer, the blood cell filter layer and the hydrophobic layer which are arranged in turn, further including working electrode, reference electrode and thermistor, the working electrode, the reference electrode and the thermistor are installed on the base through the first groove of the base, and the first flexible pad layer is arranged between the working electrode, the reference electrode, the thermistor and the bottom groove surface of the first groove, the second flexible pad layer is arranged between the working electrode, the reference electrode, the thermistor and the middle layer, the cavity above the detection part of the working electrode, the reference electrode and the thermistor is arranged on the bottom surface of the middle layer, the middle layer and the hydrophobic layer are provided with blood flow channel, and the blood flow channel is communicated with the cavity, and the test paper of the application realizes quantitative and accurate detection of blood potassium concentration.

The application discloses an Hf-Ta-Si / (Hf,Zr)B2 layered composite ultrahigh-temperature protective coating which is composed of a TaSi2 bottom layer, a ceramic layer surface layer with (Hf,Zr)B2 ultrahigh-temperature ceramic as a main phase and a Ta5Si3 interface reaction layer located at the interface between the substrate and the TaSi2 bottom layer, and the interface between each layer is an in-situ reaction autogenous interface; the coating is obtained by prepositioning the slurry of raw material powder on the surface of a tantalum alloy, drying, and then vacuum reaction sintering in one step; the coating has excellent ultrahigh-temperature oxidation resistance, heat scouring resistance and thermal shock resistance, and can effectively protect the tantalum alloy material under the conditions of oxygen, heat scouring and strong thermal shock at 1000 DEG C to 1800 DEG C; the method can reduce the adverse effects of the melting and sintering process on the microstructure and mechanical properties of the tantalum alloy, avoid the problem of preparing the ultrahigh-temperature ceramic coating on the surface of a tantalum alloy with a complex shape, and has higher coating deposition efficiency and lower cost.

Provided is a technology capable of suppressing peeling of a semi-insulating film. A semiconductor device includes: a first insulating film provided over a semiconductor layer, having a first opening portion exposing an impurity region, and containing SiO2 as a main component; a second insulating film provided over the first insulating film, having a second opening portion exposing the impurity region, and containing SiO2 as a main component; and a semi-insulating film provided over the second insulating film, connected to the impurity region through the first opening portion and the second opening portion, wherein the width of the second opening portion is greater than the width of the first opening portion.

The utility model belongs to the field of surrounding rock support technology, especially relates to a kind of underground phosphorite mine post-blasting surrounding rock stable support device.A kind of underground phosphorite mine post-blasting surrounding rock stable support device, including the support structure being arranged in roadway surrounding rock, the support structure includes support frame, multiple connecting grooves are set up on the support frame, threaded hole is set up in the connecting groove, two mounting plates are fixedly installed in the bottom inboard of the support frame, hydraulic cylinder is fixedly installed on the mounting plate, support seat is fixedly installed on the output shaft of the hydraulic cylinder, guide slot is set up on the support frame.The underground phosphorite mine post-blasting surrounding rock stable support device provided by the utility model can adapt to the dynamic change of surrounding rock after blasting, has high overall bearing capacity, has the advantages of surface and deep protection and good corrosion resistance.