17066 results about "Adhesive" patented technology

The invention discloses a method of preparing aluminum oxide-silicon carbide compound porous ceramic by aluminum-silicon industrial waste residues. The primary raw materials comprise industrial waste residues, carbon powder, a pore forming substance and an adhesive. The aluminum oxide-silicon carbide compound porous ceramic is prepared by the following steps of mixing, drying, forming and sintering to obtain a final product. Treatment and high additional value utilization of the industrial waste residues are achieved. The prepared porous ceramic is remarkable in performance, and can be applied to the fields of filtration, sound isolation, heat isolation, fire fighting and the like. The method is simple in process flow and convenient for industrialized promotion; and the cost is good to control and the method has extreme economical value.

The invention relates to a zirconia-based all-ceramic false tooth and a preparation method thereof. A core layer of the zirconia-based all-ceramic false tooth is prepared from the following components in parts by mass: 90 to 94 parts of ZrO2, 5 to 9 parts of Y2O3, 0.1 to 0.5 part of Al2O3, 0.01 to 0.5 part of Fe2O3, 0.01 to 0.5 part of Er2O3 and 0 to 0.2 part of MnO2, and a shell layer of the zirconia-based all-ceramic false tooth is prepared from the following components in parts by mass: 24.5 to 49.5 parts of CaCO3, 45 to 50 parts of SiO2, 0 to 25 parts of MgO, 0.01 to 0.5 part of Fe2O3, 0.01 to 0.5 part of Er2O3 and 0 to 0.2 part of MnO2. The preparation process comprises the following steps: performing dry pressing and isostatic pressing on raw materials of the core layer, presintering, and carving to obtain a zirconia-based false tooth biscuit; meanwhile, calcining raw materials of a shell layer, then adding deionized water, a dispersing agent and an adhesive, and carrying out ball milling and mixing to obtain calcium-magnesium-silicon-based ceramic slurry; and coating the calcium-magnesium-silicon-based ceramic slurry on the surface of the zirconium oxide-based false tooth biscuit, and sintering to obtain the zirconium oxide-based all-ceramic false tooth provided by the invention. The zirconia-based all-ceramic false tooth has good jade texture and is closer to the natural color of natural teeth.

The invention discloses a pure bio-based polyhydroxyalkanoate adhesive as well as preparation and application thereof, and belongs to the technical field of degradable adhesives. According to the adhesive, polyhydroxybutyrate valerate or polyhydroxybutyrate hexanoate is used as a matrix, and the acid value reaches 2-15 mg KOH / g through molten end group activation; a reactive emulsifier with a hydrophilic-lipophilic balance value of 9-12 is introduced into a water phase, and the stable aqueous dispersion is prepared through phase inversion high-shear emulsification. The Z-average particle size of the dispersion is 0.12-0.30 [mu] m, and the content of the free surfactant is not higher than 30wt%. After the tackifying resin, the plasticizer and the vegetable wax are compounded, the bio-based carbon content of the obtained adhesive is not lower than 95%, and the volatile organic compound content is not higher than 100 mg / kg. The paper / paper heat sealing strength of the adhesive is not lower than 7.0 N / 15mm, the 180-degree peel strength is not lower than 7.5 N / 25mm, and the adhesive can pass repulping evaluation.

The invention discloses a pure bio-based PHA aqueous dispersion as well as a preparation method and application thereof, and belongs to the technical field of pure bio-based polymer aqueous dispersion. According to the dispersion, polyhydroxyalkanoate is used as a unique film forming matter, Pickering solid particles and a natural surfactant are adopted for synergistic stabilization, and a bio-based plasticizer can be selected. The emulsion or slurry with the polyhydroxyalkanoate content of 40-85wt% and the particle size of 0.2-3m is prepared through a melting high-pressure homogenization method, a low-temperature wet grinding method or a solvent replacement method. The coating does not contain petrochemical polymer protective colloid and perfluorinated and polyfluoroalkyl substances, and the bio-based content is greater than or equal to 99%. Due to the excellent stability, rheological property and film-forming property of the modified starch, the modified starch becomes an ideal basic material for constructing a multi-layer programmable controlled release and degradation functional coating system, can be used in the fields of paper-based barrier coatings, adhesives, advanced crop seed coats and the like, realizes excellent barrier, bonding and controlled release properties, meets the industrial compost and repulping property standards, and has wide application prospects. The method has green, environment-friendly and industrial potential.

The present invention belongs to the technical field of liners, and specifically discloses a high-wear-resistant mixed pelletizing machine liner and a preparation method thereof. The liner includes a base layer and a wear-resistant layer composited on the surface of the base layer. The base layer is made of high-strength alloy steel material, and its chemical composition is calculated by mass percentage as follows: C: 0.25-0.35%, Si: 0.4-0.8%, Mn: 1.2-1.6%, Cr: 0.8-1.2%, Mo: 0.2-0.4%, Ni: 0.3-0.6%, Nb: 1.0-1.6%, and the balance is Fe; the wear-resistant layer includes tungsten carbide particles, a composite alloy material, and an adhesive. The present invention adopts the above-mentioned high-wear-resistant mixed pelletizing machine liner and a preparation method thereof, aiming to solve the problems of insufficient wear resistance and short service life of existing mixed pelletizing machine liners, and improve the comprehensive performance of the mixed pelletizing machine liner through composite structure design and special preparation process.

The present disclosure relates to a wearable device and systems / methods relating to the device. Certain embodiments may include two flexible wings and a bridge connecting the two wings. In some embodiments, the upper surface of the bridge can be non-adhesive and uncoupled to the flexible wing such that the flexible wing can be decoupled from the bridge when the adhesive is adhered to the surface of a user.

A sound-dampening pad for a paddle used in a paddle sport that uses a ball, the pad including a cushion material disposed on a first side of the pad; an adhesive disposed on a second side of the pad configured to attach the pad the paddle; wherein the cushion material reduces the sound of the paddle striking the ball.

The invention discloses a large-size green packaging carton and a preparation process thereof, and relates to the field of packaging box preparation. The environment-friendly composite material comprises the following raw materials in parts by weight: 50-80 parts of plant fiber slurry, 10-25 parts of a modified starch-based adhesive, 5-15 parts of a nanoscale inorganic reinforcing filler, 1-5 parts of a degradable water repellent agent, 0.5-3 parts of a cross-linking agent and 2-8 parts of starch and plant fiber composite buffer microspheres. According to the preparation method, full-environment-friendly raw materials such as plant fiber slurry and a modified starch-based adhesive are selected and matched with starch and plant fiber composite buffer microspheres, and optimized processes such as segmented temperature control pressurization molding, adhesive gelatinization treatment, stirring speed reduction and microsphere structure protection are combined; and through coating of the degradable polymer coating and micron-sized hydrophobic texture imprinting, synergistic improvement of high compressive strength, excellent buffering performance, excellent hydrophobic and damp-proof effects and high degradation rate of the carton is achieved.

The invention relates to the technical field of friction materials, and particularly discloses an electromagnetic brake friction material prepared from granules and a preparation process of the electromagnetic brake friction material in order to solve the problem that an existing electromagnetic brake friction plate is difficult to prepare or insufficient in performance. The reinforcing material comprises plasma modified aramid pulp, coupling modified composite mineral fibers, SiO2 coated tetrapod-like zinc oxide whiskers and carbon fiber-aluminum silicon whiskers; the filler comprises modified needle-like wollastonite and organic modified precipitated barium sulfate; the adhesive comprises boron-silicon synergistic modified phenolic resin and modified carboxy nitrile rubber. The raw materials are improved, and granules are prepared by adopting a mixing and crushing process, so that the content of an adhesive can be greatly reduced, meanwhile, the die filling efficiency can be improved, the die thickness and the high-temperature heat fading of the friction material can be reduced, a cold press molding process can be omitted, and the qualification rate of finished friction materials can be improved.

The invention discloses an extruded and insulated flame-retardant power cable for on-line monitoring of rail transit, and relates to the technical field of power cables, serpentine springs are connected between two adjacent cavity frames and outside corresponding five conductors on the outer side, an outer plastic pipe is connected between two adjacent serpentine springs, the outer plastic pipe is filled with silicone fireproof adhesive, and the outer plastic pipe is connected with the outer side of the serpentine springs. According to the invention, through the cooperation of the cavity frame, the serpentine spring, the inner plastic pipe and the expanding and supporting strip, the outer side of the conductor is provided with a sufficient heat dissipation circulation gap, the heat dissipation speed of the cable is improved, and the inner parts of the outer plastic pipe and the inner plastic pipe are filled with silicone fireproof glue, so that the heat dissipation performance of the cable is improved. The silicone fireproof adhesive expands when meeting fire to form a compact fireproof layer which tightly wraps the outer side of the conductor, and the expanded fireproof layer can fill heat dissipation gaps among the conductors to prevent flame from spreading, so that the cable has good heat dissipation capability, and meanwhile, the flame retardant property of the cable is also ensured.

The invention relates to the technical field of building materials, in particular to a fabricated ALC light wallboard and a mounting method thereof.The fabricated ALC light wallboard comprises a bottom support unit arranged on the ground, the bottom support unit comprises a bottom support frame arranged on the ground, the bottom support frame is of a U-shaped structure with an upward opening, and a plurality of clamping parts are mounted on the front side wall and the rear side wall of the bottom support frame; the assembly type ALC light wallboard further comprises a plurality of wallboard units, and the wallboard units are evenly distributed on the bottom support unit. According to the wallboard bodies, the clamping protrusions are matched with the clamping grooves, the elastic clamping structures of the buckling parts and sealant are combined, the adjacent wallboard bodies can be rapidly connected, smearing of a traditional binder and waiting for solidification are not needed, positioning installation of the bottom supporting units and the top supporting parts is completed through preset drilled holes and standardized connecting pieces, and the installation efficiency is greatly improved. And the limiting plate and the back shore frame are matched to synchronously limit the installed wallboard body, repeated adjustment is avoided, and the overall construction efficiency is improved.

The invention discloses a glue solution for a copper-clad plate and a preparation method of the glue solution, and relates to the technical field of copper-clad plates. According to the prepared glue solution for the copper-clad plate, the composite epoxy resin, the curing agent, the accelerant, the solvent, the flexibilizer and the inorganic filler, the composite epoxy resin comprises bisphenol A epoxy resin, epoxy phenyl polysiloxane, itaconic acid polyaryletherketone and hydroxyl-terminated fluorine-containing vinyl polysiloxane, so that the interface bonding force with the copper plate is enhanced; the dielectric constant and the dielectric loss are effectively reduced, the peel strength and the toughness of the material are also remarkably improved, and the toughening agent is modified polyether sulfone microspheres; the modified polyethersulfone microspheres are prepared by coating polyethersulfone microspheres with hexamethylenediamine tetrapropionamide diamine, the hexamethylenediamine tetrapropionamide diamine is prepared by carrying out acylation condensation reaction on hexamethylenediamine tetramethyl propionate and ethylenediamine, and the polyethersulfone microspheres are prepared by carrying out electrostatic spinning on a spinning solution of polyethersulfone and vinylpyridine, so that the peel strength of the glue solution is remarkably improved.

The invention relates to a Fenton-like functional filler which is prepared from 10-20% of iron particles coated with a carbonized film, 10-20% of aluminum sulfate modified straw, 20-30% of PBAT-coated calcium peroxide, 20-30% of diatomite and 10-30% of an adhesive. A processing method of a Fenton-like functional filler comprises the following steps: uniformly mixing iron particles coated with a carbonized film, aluminum sulfate modified straws, PBAT-coated calcium peroxide and diatomite, then adding an adhesive, mixing isocyanate serving as the adhesive with polyol according to a volume ratio of 1: 5, and continuously and uniformly mixing; then the mixed raw materials are injected into a mold coated with a release agent in advance, the mold temperature ranges from 40 DEG C to 60 DEG C, the foaming curing time ranges from 15 min to 20 min, and the Fenton-like functional filler can be obtained. The invention relates to an application of a Fenton-like functional filler in constructed wetlands. The method has the beneficial effects that the method is not influenced by temperature, and the removal effect of the constructed wetland on nitrate nitrogen and refractory COD (Chemical Oxygen Demand) can be obviously enhanced.

The invention discloses a shielding protection adhesive tape for semiconductor integrated circuit packaging and a preparation method thereof, and relates to the technical field of semiconductor integrated circuit packaging. The shielding protective adhesive tape for packaging the semiconductor integrated circuit is prepared by taking polyimide as a base material and coating a coating, and the coating comprises the following raw materials in parts by weight: 3-5 parts of modified nano silicon dioxide, 30-40 parts of N, N-dimethylformamide, 1-3 parts of a curing agent and 1-3 parts of a curing agent. The invention discloses a high-temperature-resistant epoxy resin coating which is prepared from the following components in parts by weight: 25-30 parts of N, N-dimethylformamide, 25-30 parts of a modified acrylate copolymer, 17-26 parts of ethyl acetate, 12-15 parts of epoxy resin, 1-2 parts of a silane coupling agent KH-550, 0.5-1 part of an antioxidant 1010, 0.3-0.8 part of an ultraviolet absorbent UV-327, 1-2 parts of carboxyl-terminated nitrile rubber, 2-4 parts of decabromodiphenyl ether, 0.1-0.3 part of an organic siloxane defoaming agent, 0.2-0.5 part of an acrylate flatting agent and 10-11 parts of diaminodiphenyl sulfone. The adhesive tape contains the modified nano silicon dioxide, the modified acrylate copolymer and other components, so that the performance of the adhesive tape is guaranteed; pretreatment is meticulous, preparation steps are standard, and mass production is easy; a finished product can be effectively shielded, and the packaging yield and the product stability can be improved.

The invention relates to the technical field of high polymer material chemistry, and discloses a high and low temperature resistant anti-yellowing optical adhesive and a preparation process thereof, the high and low temperature resistant anti-yellowing optical adhesive comprises the following components by weight: 40-60% of modified organic silicon resin, 20-30% of urethane acrylate, 10-15% of alicyclic epoxy resin, 0.5-5% of a nano inorganic filler, 0.8-2.5% of an anti-yellowing composite reagent, and the balance of a solvent. The coating is prepared from the following components in percentage by weight: 0.5 to 1.5 percent of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 0.1 to 0.3 percent of fluorine modified polyacrylate flatting agent and 0.3 to 1.0 percent of chloroplatinic acid-divinyl tetramethyl disiloxane complex catalyst. The preparation method comprises the following steps: mixing alpha, omega-dihydroxy polydimethylsiloxane and phenyltrimethoxysilane according to a mass ratio of 8: 2-7: 3, adding 0.3-1.0% of a chloroplatinic acid-divinyl tetramethyl disiloxane complex catalyst, and raising the temperature by stages under the protection of nitrogen, so that the glass transition temperature of the adhesive can reach 120 DEG C below zero and 125 DEG C, and the temperature of the adhesive can reach 120 DEG C below zero and 125 DEG C below zero. And the long-term service requirement of the optical device in an extreme temperature environment is met.

The invention belongs to the technical field of high polymer chemical materials, and particularly relates to a self-repairing composite waterproof board and a preparation method thereof. The invention relates to a high-temperature-resistant graphene coating which is prepared from the following raw materials: bisphenol A diglycidyl ether, fluorosilane modified nano SiO2, graphene slurry, polydimethylsiloxane, epoxy-terminated polydimethylsiloxane, a urea-formaldehyde prepolymer, a silane coupling agent, sodium dodecyl benzene sulfonate, an FSO-100 fluorocarbon surfactant, a CTBN adhesive, a curing agent, an epoxy accelerator DMP-30 and a diluent. Through the collaborative design of the gradient structure of the hard framework and the soft coating, low-surface-energy filler chemical anchoring, microcapsule local material supplementing and thermal triggering dynamic bond rearrangement, the board obtains balance among the bearing strength, long-term hydrophobicity, weather-proof barrier and repeatable thermal self-repairing; and meanwhile, the common defects that room-temperature self-repairing is difficult to realize, hydrophobic particles are easy to agglomerate, a coating is easy to layer and the like are avoided.

The invention provides a back contact cell, a back contact laminated cell and a photovoltaic module. The back contact battery comprises a body, a grid line extending along a first direction, a bonding pad, a connecting line, first insulation paste and second insulation paste. The grid lines are located on the backlight face of the body and are arranged at intervals in the second direction, the bonding pads are connected with the grid lines and are arranged at intervals in the second direction, and the two ends, in the second direction, of the connecting lines are connected with the adjacent bonding pads respectively. The grid lines comprise first grid lines arranged in the first direction with the connecting lines, and first gaps are reserved between the ends of the first grid lines and the connecting lines in the first direction. The first insulation paste and the second insulation paste are arranged along the first direction, the first insulation paste covers the end part of the first grid line, the second insulation paste covers the connecting line, and the second insulation paste can support the welding strip, so that the bending deformation degree of the welding strip is reduced, the risks of disconnection between the welding strip and the bonding pad, damage to the welding strip and the like are reduced, and the performance of the back contact battery is improved.

The invention belongs to the technical field of steel sheet piles, and discloses a steel sheet pile for compensating stratum loss during pile pulling and a construction method.The steel sheet pile comprises a plurality of steel sheet pile units, and each steel sheet pile unit comprises a plurality of steel sheet piles; the foundation pit sides of the steel sheet pile units are connected with a plurality of compensation bags, and grouting systems are arranged on the foundation pit sides of the compensation bags. The foundation pit side of the steel sheet pile is coated with viscous grease, the side, facing the steel sheet pile, of the compensation bag is coated with pressure-sensitive adhesive, and the compensation bag is temporarily connected with the steel sheet pile; the grouting system comprises a main grouting pipe, the bottom of the main grouting pipe is connected with a horizontal grouting pipe, the side, facing the steel sheet pile, of the horizontal grouting pipe is connected with a plurality of flow dividing pipes, and the flow dividing pipes correspond to the compensation bags. A vertical branch pipe is upwards separated from the middle position of the flow dividing pipe, and is connected with a grouting connector at the bottom end of the corresponding compensation bag; the tail end of the flow dividing pipe is downwards divided into an inclined grouting pipeline, and the inclined grouting pipeline faces the lower portion of the steel sheet pile. The technical problem that filling is not timely due to the fact that grouting pipes are installed to fill gaps after steel sheet piles are pulled out in the prior art is solved.

The invention relates to a thermocouple position layout optimization method based on feature point extraction, and the method comprises the following steps: heating a patch and an adhesive through a hot patching instrument, obtaining the temperature field data of an adhesive interface based on a finite element simulation method, and extracting the temperature value and coordinates of each node; analyzing the time sequence change of the temperature field data, and screening the key frame with the maximum node temperature standard deviation; performing spatial interpolation on the node temperature data of the key frame to generate a two-dimensional temperature distribution matrix; feature points are extracted from the temperature distribution matrix through a combined algorithm of extreme value layering, OPTICS density clustering, gradient analysis and adaptive spatial distribution; and optimizing the thermocouple installation position according to the feature point distribution. Through the method, the heating conditions of the bonding interface and the patch are monitored and fed back by using the accurate number of the thermocouples and setting the accurate positions of the thermocouples, and meanwhile, the problem that uneven heating cannot be monitored due to the fact that the positions of the thermocouples are improperly set is solved.

The invention provides a packaging structure and a packaging method. The package structure includes a substrate, a wafer disposed on the substrate and having a backside surface remote from the substrate, a heat sink disposed over the substrate and having a surface facing the backside surface, and a thermal interface material disposed between the wafer and the heat sink, wherein there is no organic adhesive between the wafer and the heat sink.

The invention relates to the technical field of pouring sealant coatings, in particular to a two-component polyurethane circuit board pouring sealant and a preparation method thereof. Comprising a component A and a component B. The component A comprises liquefied MDI, a phosphate flame retardant and a plasticizer. The component B comprises a hydroxyl acrylate oligomer, bio-based polyol, a defoaming agent and a catalyst, the viscosity of the hydroxyl acrylate oligomer at the temperature of 25 DEG C is 8000-15000 mPa.s, and the hydroxyl value of the hydroxyl acrylate oligomer is 100-150 mgKOH / g. The viscosity of the hydroxyl acrylate oligomer at 25 DEG C is limited to be 8000-12000 mPa.s, and the hydroxyl value is 100-140 mgKOH / g, so that the mechanical properties and aging resistance of the pouring sealant can be improved at the same time.

The invention relates to the technical field of high-barrier environment-friendly packaging films, and discloses a high-barrier environment-friendly packaging film with an antibacterial function, the high-barrier environment-friendly packaging film comprises a base layer, a nano composite barrier layer, a bio-based functional layer and an outer protective layer from bottom to top in sequence, and the layers are tightly attached through a coated starch-based adhesive. According to the high-barrier environment-friendly packaging film with the antibacterial function, good biodegradability of polyhydroxyalkanoate adopted in the base layer film, polycaprolactone which is adopted in the nano-composite barrier layer film and has a biodegradable function and konjac glucomannan in the biological functional layer film are utilized; the composite packaging film can be decomposed into carbon dioxide and water by microorganisms in various environments, has excellent flexibility and processability, can adapt to different packaging requirements, provides basic flexibility, structural support and green and environment-friendly effects for the whole packaging film, and has a wide application prospect. The procyanidine arranged in the outer protective layer film provides stronger antibacterial property and water solubility for the whole packaging film.

The invention discloses a polyurethane protective adhesive tape for aviation and a preparation method thereof, and relates to the technical field of adhesives. When the polyurethane protective adhesive tape for aviation is prepared, polyester glycol, an ultraviolet absorption monomer, 3-(4-pyridyl) pentane-1, 5-diol, 1, 4-butanediol and isophorone diisocyanate are polymerized to prepare polyurethane; the preparation method comprises the following steps: carrying out a reaction on polyurethane and 2-bromoethyl acrylate to prepare modified polyurethane; enabling the pretreated magnesium hydroxide to react with 3-epoxypropoxy-1, 1, 3, 3-tetramethyldisiloxane and ammonia water in sequence, so as to obtain modified magnesium hydroxide; the modified polyurethane and the modified magnesium hydroxide are mixed and then subjected to compression molding to prepare a polyurethane film; and coating a polyurethane film with the polyacrylate glue solution, and drying to obtain the polyurethane protective adhesive tape for aviation. The polyurethane protective adhesive tape for aviation prepared by the invention has excellent flame-retardant, anti-aging, antibacterial and self-repairing properties.

The invention relates to the technical field of self-adhesive label paper detection devices, in particular to a visual detection device for self-adhesive label paper production, which comprises a workbench, a winding part and an unwinding part, and is characterized in that the workbench is provided with a first visual detection module and a second visual detection module; a plurality of guide rollers used for adjusting the direction of label paper are arranged on the workbench, a positioning locking piece is arranged in the middle of the workbench, a continuous detection unit is arranged on the portion, close to the first visual detection module, of the workbench, and a vacancy patching unit is arranged on the portion, close to the second visual detection module, of the workbench. According to the visual detection device for self-adhesive label paper production, aiming at the vacancy problem existing on a label paper roll, the device is provided with the positioning locking piece, the continuous detection unit and the vacancy supplementing and pasting unit which are matched for use, the label paper is allowed to be rapidly supplemented and pasted in the detection process, shutdown operation is not needed, the pain point of'shutdown supplementing 'of traditional equipment is solved, and the production efficiency is improved. And the detection efficiency is obviously improved.

The invention discloses a treatment method for helium holes of an electrostatic chuck, and belongs to the technical field of electrostatic chucks, and the treatment method comprises the following steps: S1, pretreating a gas passage opening and the surface of a substrate: cleaning the helium holes and fine cracks of the substrate, and roughening the surface of the substrate; s2, a ceramic piece is glued to the helium hole opening, wherein the ceramic piece and the side wall of the helium hole opening are tightly attached and bonded together through an adhesive; s3, filling the helium hole ceramic piece with insulating glue: filling holes, cracks and other fine interfaces; s4, grinding the insulation paste filling part to be flush with the surface of the substrate so as to keep the overall flatness; s5, performing meltallizing on the surface of the substrate by using a meltallizing process to obtain the meltallizing coating, uniformly covering the insulating glue filling layer with the meltallizing coating, and forming good combination with the substrate; and S6, grinding and polishing: after the meltallizing coating is completed, grinding or polishing the meltallizing coating to ensure that the surface of the meltallizing coating is smooth.

The invention discloses a motor rotor core and a manufacturing method thereof, and belongs to the technical field of motor design and manufacturing. The rotor iron core comprises an iron core main body formed by laminating a plurality of punching sheets, and self-adhesive sheet end plates and arc-shaped pressing rings which are arranged at the two ends of the iron core main body. The self-adhesive sheet end plate is formed into a whole by heating, pressurizing and curing a self-adhesive sheet coated with epoxy resin or acrylic resin; the arc-shaped pressing ring is provided with a cambered surface structure, so that synchronous pressing in the axial direction and the radial direction can be achieved. And the iron core main body adopts a transposition lamination process, so that burrs of the punching sheet are uniformly distributed. Through chemical bonding of the end plates of the self-adhesive sheets, mechanical wedge-caulking of the arc-shaped pressing rings and error homogenization of transposition lamination, and through combination with the double-end tensioning screw subjected to insulation treatment, the problems that a traditional rotor iron core end punching sheet is prone to loosening, stress concentration and large eddy-current loss are caused by burrs, dynamic balance precision is poor and the like are effectively solved, and the service life of the rotor iron core end punching sheet is prolonged. And the structural rigidity, the operation stability and the motor efficiency of the rotor iron core are obviously improved.

The invention relates to the technical field of super-hydrophobic anti-icing coatings, in particular to a low-temperature thermochromic super-hydrophobic anti-icing coating and a preparation method thereof. According to the specific technical scheme, low-temperature thermochromic phase change microcapsules and nanoscale hydrophobic silicon dioxide particles are dispersed in an organic solvent, an adhesive and a curing agent are added, and the super-hydrophobic surface with the micro-nano hierarchical structure, the latent heat regulation function and the temperature visual feedback function is constructed through a spraying method. The obtained coating has excellent super-hydrophobicity, and water drop adhesion can be effectively reduced; the phase change microcapsules contained in the coating release latent heat during low-temperature solidification, and surface temperature reduction and icing are remarkably delayed; and meanwhile, the color of the coating is obviously and reversibly changed along with the reduction of the temperature, so that the visual early warning of the low-temperature icing risk is realized. The problems that a traditional super-hydrophobic coating is insufficient in low-temperature anti-icing long-term effect and lacks an early warning function are solved, the super-hydrophobic coating is suitable for low-temperature anti-icing occasions, and the sensing-regulation-protection integrated function is achieved.

A multiple layered print structure and apparatus to apply a design or image to fabric or cloth is disclosed. The structure may include one or more print layers printed on a substrate and an adhesive layer deposited on the print layer(s). The one or more print layer(s) and adhesive or resin layer may be deposited on the substrate in a pre-set pattern to form the shape profile for the design or image. The print layer(s) include inks or dyes for printing the print features and / or background color(s) of the image or design. The ink may be combined with a binder material to form the print layer(s). In some embodiments, the process includes the step of printing the multiple layered print structure using a combination of digital printing processes simplify the process for printing a design or image on fabric or cloth.

The present invention belongs to the technical field of polymer binders, and particularly relates to a solid-state battery binder and a preparation method thereof, the solid-state battery binder comprises: a viscous monomer which is an acrylate monomer having a C3-C12 alkyl side chain; the lithium-supplying monomer is a monomer containing phosphate ester or a monomer which contains hydroxyl and amino and is easy to prepare phosphate ester through a phosphate esterification reaction; the lithium-conducting monomer is polyethylene glycol acrylate containing an ethyoxyl structure and a derivative of the polyethylene glycol acrylate; the adhesive monomer, the lithium-supplying monomer and the lithium-conducting monomer are polymerized together through a multifunctional integrated design, the adhesive has high solubility in an ester solvent due to a large number of ester groups contained in the adhesive, so that the bonding effect and the ionic conductivity of the solid-state battery can be improved, and the adhesive provided by the invention has high bonding force, and can be applied to the lithium-ion battery. The composite material has the advantages of high conductivity, high flexibility, high ionic conductivity, high solubility, high electrochemical stability, high temperature resistance and excellent comprehensive performance.

The invention provides a grating assembly and a manufacturing method of the grating assembly. The grating assembly comprises a substrate; the number of the optical cement auxiliary structures is multiple, and the multiple optical cement auxiliary structures are formed on the surface of one side of the substrate at intervals through nanoimprint; the functional layer covers the sides, away from the substrate, of the optical cement auxiliary structures in a shape follow-up mode so that the side faces and the top faces of the optical cement auxiliary structures can be wrapped by the functional layer, and gaps are reserved in the sides, away from the substrate, of the functional layer; the optical adhesive layer is arranged on the side, away from the substrate, of the optical adhesive auxiliary structure, and the projection of the optical adhesive layer on the substrate completely covers the optical adhesive auxiliary structure and the functional layer; the functional layer is a deposition layer, the grating assembly further comprises a plurality of diffraction gratings, and the diffraction gratings are filled in the gaps. The problem that the diffraction efficiency of a grating assembly in the prior art is difficult to improve is solved.