866 results about "Transfer printing" patented technology

The invention relates to a pad printing machine which comprises a machine table, a pad printing device and a first position recognition module. The transfer printing device comprises a bearing unit, a product jig, a jig coarse positioning module, a jig correction module, an imprinting module, an inking module and a rubber head cleaning module, wherein the inking module and the rubber head cleaning module are adjacent to the imprinting module. The jig correction module comprises a first position identification assembly and a correction assembly; the impressing module comprises a rubber head assembly and a jacking assembly; the jig coarse positioning module, the correcting assembly and the jacking assembly are located below the bearing unit. The jig coarse positioning module is used for performing coarse positioning on the position of the product jig; the first position recognition assembly is used for collecting pose deviation of the product jig or a product on the product jig, and the correction assembly performs pose correction based on the pose deviation; the jacking assembly is used for jacking the product jig, and the glue head assembly is used for imprinting products on the product jig. According to the scheme, transfer printing operation can be carried out more accurately and reliably in the transfer printing process, and the yield of products is greatly improved.

The utility model discloses a high-efficiency UV transfer printing machine which comprises a UV transfer printing machine body, a reciprocating moving plate is installed at the front end of the outer surface of the upper end of the UV transfer printing machine body, a first transfer printing mold is fixedly installed on the outer surface of the upper end of the reciprocating moving plate, and a workbench is fixedly installed at the front end of the outer surface of one side of the UV transfer printing machine body. A feeding structure is arranged on the upper portion of the workbench, and a rotating structure is arranged between the feeding structure and the workbench. According to the high-efficiency UV transfer printing machine, through the arrangement of the second transfer printing mold, a film in the first transfer printing mold of the UV transfer printing machine is processed, meanwhile, feeding and positioning operation which consumes long time is completed on the second transfer printing mold, the processing efficiency is improved, and through the arrangement of the feeding structure and the rotating structure, the processing efficiency is improved. And the workpieces can be conveniently fed.

The invention discloses a selective ink transfer printing method based on a liquid-like surface. The selective ink transfer printing method comprises the following steps that 1, the surface of a base body is treated through oxygen plasma; step 2, dissolving a reaction monomer in methylbenzene containing saturated water; step 3, placing the substrate subjected to oxygen plasma treatment in the reaction solution in the step 2 to form a PDMS molecular brush; step 4, performing pattern design on the surface of the PDMS molecular brush by adopting a mask process, treating by using an alkali solution, selectively removing the molecular brush in an unprotected area, and restoring the molecular brush to a hydrophilic glass surface; step 5, coating oil-based ink on the surface treated in the step 4 to form a clear pattern; and step 6, enabling the surface of the printing ink with the pattern to be in direct contact with a target substrate, and applying pressure to transfer the printing ink. According to the method, the problems of resolution, ink diffusion control and pattern uniformity of the existing printing technology are solved, and the printing precision and applicability are improved.

The utility model discloses a crystal label printer which comprises a printer main body and release paper, the printer main body is provided with a printing area for the release paper to pass through, and the printer assembly moves on the printer main body and sprays a pattern layer on the release paper. The printing vehicle assembly comprises a first spray head used for spraying a self-adhesive water layer on release paper, a second spray head used for spraying a white ink layer, a third spray head used for spraying a color ink layer, and a fourth spray head used for spraying a curing gloss oil layer and a gold stamping gloss oil layer. Two film covering assemblies are sequentially arranged at the position, located at the output end of the printing area, of the printer body and used for stamping a gold film on the gold stamping gloss oil layer and covering a release paper pattern with a positioning film after the gold film is stamped, and the gold film is stamped on the gold stamping gloss oil layer through the film covering assembly on the front side to achieve the pattern gold stamping effect. The pattern gilding effect can be achieved without secondary operation after pattern transfer printing, and meanwhile the pattern gilding area can be accurately arranged on the pattern.

The invention relates to the field of touchpad film materials, and discloses a preparation process of a touchpad mylar and a product. The preparation process of the touch panel mylar comprises the following steps: S1, transferring a texture layer on one side surface of a base material layer by using UV transfer printing glue; s2, carrying out three times of silk-screen printing on the other side surface of the base material layer to sequentially form a first metal ink layer, a second metal ink layer and an insulating ink layer; s3, performing vacuum coating on the texture layer to form a wear-resistant anti-fingerprint layer; and S4, adhering an adhesive layer with a release film to the insulating ink layer, and performing die cutting to obtain the touch panel mylar. The prepared touchpad mylar has good metal texture, wear resistance, smoothness and insulativity, the ink layer and the base material layer are stably attached, the ink layer is not prone to falling off and layering under the use conditions of long-term environment temperature and frequent screen touching of the touchpad mylar, and the touch sensitivity is good.

Pattern transfer source substrates and printing methods are described, providing multi-layer paste stack elements like conductor lines or bumps, so that each stack element is printed on a receiving substrate in a single illumination step. The paste is filled layer-by-layer, possibly having different materials in different layers, with layer thickness controlled by parameters of the filling elements, e.g., in case of blades, the pressure, angle, velocity and flexibility (material) of the blade. Specifically, a bottom layer of the stack may be configured to interface the receiving substrate while one or more top layers may be configured to optimize the quality of the printed features. For example, bottom layers may be configured to bind to the substrate, to modify the substrate and / or provide a barrier from top layer(s) which may not be compatible with the substrate. In case of bumps, different layers may include adhesive and soldering materials.

The invention relates to the technical field of high polymer materials, in particular to self-cleaning organic silicon foam with a micro-nano structure and a super-hydrophobic surface and a preparation method of the self-cleaning organic silicon foam. The surface structure of the release film is customized through one-step molding transfer printing, and a release agent of the release film contains a super-hydrophobic modified organic silicon light diffusion agent. The light diffusant is mainly silicon dioxide or organic silicon resin microspheres modified by surface long-chain silane. The surface structure of the customized release film is an inverted pyramid-shaped micro-nano structure. The organic silicon foam obtained according to the process has the surface micro-nano structure, super-hydrophobic and self-cleaning functions, and is particularly suitable for manufacturing daily and industrial pads such as mouse pads, table mats and placemats.

The invention relates to a composition for transfer printing, a preparation method thereof and an electrode grid line preparation method, and relates to the technical field of photovoltaic cell manufacturing, and the composition for transfer printing comprises the following components by weight: 6-40% of polyvinyl alcohol; 0.05-5% of a plasticizer; 3-20% of a coalescing agent; 0.05 to 5% of a surfactant; 1-20% of a hydrophilic material; 0.01%-0.5% of a release agent; 0.01 to 1 percent of a flatting agent; 0.01 to 1 percent of a defoaming agent; and the balance of water. Through reasonable component proportion, the defects of an existing water-soluble film are optimized, and the dissolution speed, the environmental protection property, the mechanical property and the compatibility with a silicon wafer or conductive slurry of the water-soluble film are improved; by adding the surfactant, the hydrophilic material, the plasticizer and the coalescing agent, the flexibility, the tear resistance and the water solubility of the film are improved, so that the film has better mechanical properties, the defect of the traditional PVA film in the aspect of dissolution rate is overcome, and the quick water solubility, the good mechanical properties and the environmental protection property of the film are realized; and the transfer printing effect of the thin film and the adaptability of the thin film to a silicon wafer can be improved.

The utility model relates to a double lifting swing arm type offset printing mechanism which is characterized in that a printing roller station, a first lifting swing arm and a second lifting swing arm are arranged on a rack, a first mounting part for mounting a transfer printing roller is arranged on the first lifting swing arm, a second mounting part for mounting a printing roller is arranged on the second lifting swing arm, and the printing roller station is arranged above the first mounting part; the second mounting portion is disposed below the first mounting portion. A double-lifting swing arm structure is adopted, a transfer printing roller and a printing roller can be assembled, the corresponding transfer printing roller and the printing roller are lifted and lowered in a swing lifting mode, a large operation space can be vacated for assembly after the transfer printing roller and the printing roller swing and are separated from each other along with corresponding swing arms, the space occupied by the double-lifting swing arm structure is relatively compact, and the disassembly and assembly convenience of all the rollers is improved; the assembly of transfer rollers with different sizes and diameters and the like is met, the operation is stable, the size of the closing pressure is relatively convenient to debug and is not easy to interfere with each other when the closing pressure and the separating pressure are separated, and the closing pressure is lifted upwards and is not easy to conflict during the closing pressure.

The utility model relates to a laser transfer printing film, a photovoltaic transfer printing system and a solar cell, the laser transfer printing film is used for laser transfer printing of grid lines on a photovoltaic cell, the laser transfer printing film comprises a transfer printing film body, and the transfer printing film body comprises a first side face and a second side face which are oppositely arranged. A plurality of grid line grooves are formed in the first side face at intervals in the first direction, extend in the second direction and are used for being filled with slurry; wherein the size of a groove opening of the grid line groove is smaller than the size of the position, with the largest groove width, of the grid line groove, the first direction and the second direction are orthogonal, and the transfer printing film body extends in the first direction and the second direction. The notch of the grid line groove is set to be smaller than the size of the maximum position of the groove width of the grid line groove, so that the line width of the part, in contact with the battery piece, of the grid line formed on the battery piece is smaller than the size of the maximum position of the grid line after the slurry is transferred to the battery piece, and the shading area of the grid line on the battery piece is reduced while the electrical performance is ensured; and the photoelectric conversion efficiency of the cell is improved.

The invention discloses a preparation method of an ultrathin sulfide solid electrolyte dry-method membrane, relates to the technical field of solid electrolyte dry-method membranes, and solves the problems that a traditional solid electrolyte dry-method membrane needs to be subjected to transfer printing after being rolled, holes and cracks exist in an electrolyte membrane during transfer printing, and the thickness of the electrolyte membrane is difficult to reach 30 microns or below. Comprising the following steps: S1, preparing a positive thick film; s2, preparing an electrolyte thick film; s3, sequentially stacking the release film, the positive electrode thick film and the electrolyte thick film to form a laminated structure; s4, carrying out multi-stage rolling on the laminated structure by using a roller press and adopting a differential temperature multi-stage composite rolling method, and carrying out synchronous thinning and compounding on the positive electrode thick film and the electrolyte thick film to form a composite film; and S5, stripping the release film from the composite film to obtain the ultrathin sulfide solid electrolyte dry film. The problem that holes and cracks are generated in the transfer printing link after rolling of a traditional electrolyte thick film is solved.

The invention relates to transfer printing ink as well as a preparation method and application thereof, and belongs to the technical field of ink. The transfer printing ink comprises the following components: modified acrylic resin, a surfactant, a dye, a lubricant, other auxiliary agents and deionized water, the preparation method of the modified acrylic resin comprises the following steps: mixing acrylic acid, ethyl methacrylate, hydroxyethyl acrylate, fumed silica, lauryl sodium sulfate, an initiator and deionized water, heating, adding an antibacterial agent, glycidyl methacrylate and absolute ethyl alcohol, and stirring at a constant temperature to obtain the modified acrylic resin. The prepared modified acrylic resin provides excellent dispersion stability for other components, so that the ink can keep stable flowability and viscosity for a long time, the problems of gelling, oil-water separation, thickening and the like are not easily generated, and the antibacterial property, hardness and adhesive force of the ink are remarkably improved; the water-based ink formed by mixing the components is ensured to have high film-forming hardness, remarkable antibacterial property and strong adhesive force to a base material.

The invention relates to the technical field of electronic product shells, in particular to a glass fiber reinforced mobile phone rear cover and a preparation process thereof. The preparation method comprises the following steps: 1, uniformly mixing epoxy resin, cardanol-based epoxy resin, organic silicon modified benzoxazine, a curing agent and an accelerant to obtain an epoxy resin glue solution; 2, coating the epoxy resin glue solution on the surface of glass fiber cloth, and curing to obtain a glass fiber prepreg; 3, a plurality of glass fiber prepregs are taken to be stacked and laid, integrated forming is achieved through hot pressing, and a laminated board is obtained; 4, uniformly mixing the epoxy resin glue solution, the modified molybdenum disulfide and acetone to obtain a protective coating; and 5, sequentially arranging a priming layer, a transfer printing layer and a packaging layer on the laminated board, spraying a protective coating, and curing to form a protective layer to obtain the mobile phone rear cover.

Pattern transfer sheets and methods are provided, providing multi-layer paste stack lines that are printed on a receiving substrate in a single illumination step. The paste is filled layer-by-layer, possibly having different materials in different layers, with layer thickness controlled by parameters of the filling elements, e.g., in case of blades, the pressure, angle, velocity and flexibility (material) of the blade. Specifically, a bottom layer of the stack may be configured to interface the receiving substrate while one or more top layers may be configured to optimize the quality of the printed features. For example, bottom layers may comprise to bind to the substrate, to modify the substrate (e.g., forming selective emitter (SE) therein) and / or provide a barrier from top layer(s) which may not be compatible with the substrate (e.g., copper on silicon). Releasing material may be used to support the single step release of the stack line.

The invention relates to the technical field of machine vision, in particular to a contact lens printing pattern defect detection method and system based on a multi-scale fusion feature, and aims at each new pattern, only dozens of frames of qualified product images need to be input for training, and the detection efficiency is improved. And the limitation of the current method when the current method is adaptive to various patterns and weak flaws are detected can be made up. The semi-supervised deep learning method can break through the dependence of traditional deep learning on large-scale labeled data, utilizes a semi-supervised learning strategy to mine potential information in unlabeled data, improves the recognition capability of a model on complex and sparse defects, and meanwhile, aims at the characteristics of a color mold transfer printing pattern, and improves the recognition efficiency of the color mold transfer printing pattern. A targeted deep learning network structure and a loss function are designed, and the sensitivity and generalization ability of the model to specific defect types are ensured.

The invention discloses a multi-material variable-proportion high-viscosity polymer composite photocuring additive manufacturing device and method. The device comprises a plurality of feeding modules, a mixing module, a film transfer printing module, a printing platform, an X-direction moving module, a Z-direction lifting module, a rack and a control center. The control center is connected and communicated with the feeding module, the mixing module, the film transfer printing module, the printing platform, the X-direction moving module and the Z-direction lifting module; the multiple feeding modules are arranged to be connected with the material mixing module, opening and closing of the first valves in the feeding modules are precisely controlled to ensure that different materials are accurately output to the material mixing module, then the materials are evenly mixed through a stirrer in the material mixing module, and therefore mixed materials of various proportions are prepared on site; the variable specific gravity of the material in the preparation process is achieved, and finally the gradient structural part with the variable specific gravity of the material in the z-axis direction is formed.

The invention discloses environment-friendly recyclable ink powder and an ink powder supply device for a printer, and relates to the technical field of printers, the environment-friendly recyclable ink powder comprises a printer main body, and further comprises a printing box, an ink powder box and a mounting base, the printing box internally provided with printing core components such as a developing roller, a transfer printing roller and a photosensitive drum is arranged in the printer main body, and the mounting base is provided with a mounting hole; a clamping cover is movably connected to the position, corresponding to the printing box, of the side edge of the printer body through a hinge, and a powdered ink box for storing powdered ink and recycling waste powder is connected to the position, located on the side edge of the printing box, in the printer body in a clamped mode. The side edge of the printer body is provided with a mounting base connected with the end of the toner cartridge, and a box body is arranged in the bottom end of the interior of the mounting base. According to the environment-friendly recyclable toner and the toner supply device for the printer, through cooperation of all the assemblies, treatment such as recovery, sorting, refining, repairing and secondary feeding of the toner can be completed on the printer; the discharge amount of waste powder is reduced and the utilization rate of powdered ink is improved.

The invention belongs to the field of PCB production, and particularly relates to a production method for controlling galvanic effect generation at a PAD of a PCB, and the production method comprises the following steps: S1, manufacturing design graphic data of the PCB, and designing joints of a circuit and a square PAD and a circular PAD to be teardrop-shaped; s2, cutting the substrate into a specified size according to design graphic data, and cleaning a surface plate; s3, converting a Gerber file in the design graphic data into a film negative, and transferring a circuit pattern to a substrate copper foil coated with photosensitive resin through an exposure machine; s4, removing the unexposed photosensitive resin by using a developing solution; when image data is manufactured and designed, the connecting position of the circuit and the PAD is designed to be in a teardrop shape, after follow-up transfer printing etching, a teardrop-shaped structure is formed at the connecting position of the circuit and the PAD in the conductive circuit, the connecting area between the circuit and a bonding pad is effectively increased, and the risk that the connecting position of the circuit and the PAD is disconnected due to corrosion of a severe environment in follow-up production and use is reduced.

The invention relates to the technical field of production line data management, in particular to a data acquisition system based on a contact lens production line, and aims to solve the problems of equipment information island, insufficient data real-time performance, poor storage reliability and the like of a traditional data acquisition mode. Through multi-source heterogeneous data standardized access, edge computing real-time processing and distributed database technologies, the collection efficiency and integrity of key data such as process parameters, equipment states and carrier plate circulation information are remarkably improved. Through an industrial-grade hot standby redundancy transmission channel and a persistent storage mechanism, the risk of data loss caused by network fluctuation or equipment failure in the prior art is solved, high-reliability storage of high-frequency dynamic parameters such as transfer printing positioning precision, filling pressure and mold closing temperature is ensured, and a stable data basis is provided for production tracing and process optimization. Meanwhile, a load balancing module is provided to ensure load balancing of server nodes receiving data, and a stable and reliable working environment of subsequent links is ensured.

The utility model relates to an optical function board, which comprises a polymer layer for bearing and supporting. The elastomer layer is attached to the polymer layer, and the elastomer layer and the polymer layer are attached in a double-layer co-extrusion mode; the outer surface of the elastomer layer is provided with a microstructure used for brightening, the microstructure is formed through transfer printing, and the polymer layer serves as a supporting structure of the elastomer layer in the transfer printing process. According to the utility model, by utilizing the resilience and wear resistance of the elastic body, the problem that the optical function plate is easy to wear in the preparation and transportation processes is effectively improved. The elastomer and the polymer matrix have good optical performance, the manufacturing cost is low, a high-performance optical functional layer can be prepared, and the wear resistance of the elastomer after crosslinking can be further improved.

The invention relates to the technical field of light-cured materials, in particular to light-cured resin as well as a preparation method and application thereof. The structural general formula of the light-cured resin is as shown in formula 1, wherein R1 is selected from one of C1-C20 straight-chain alkyl, branched-chain alkyl and cyclic alkyl; r2 is selected from hydrogen or methyl; r3 is selected from one of ethylene, propylene and butylidene; r4 is selected from one of hydrogen, methyl and cyclohexyl; n1 is an integer selected from 1-40, and n2 is an integer selected from 10-60. The resin is a multi-block polymer containing phosphorus oxide, organic silicon chain segments and unsaturated double bonds, has light curing activity and low stripping performance, and meanwhile has good adhesive force and does not generate migration; and when being applied to the optical UV imprinting adhesive, the high-precision transfer printing of the optical film with special textures and fine patterns can be obviously improved, the mold residue is reduced, the service life is prolonged, and the high quality, high yield and long-term stability of the optical film are ensured.

The invention provides a conductive polymer patterning hollowed-out transfer printing method, which comprises the following steps of: preparing a template with a hollowed-out pattern, pasting the template on a substrate, coating a conductive polymer material on a hollowed-out pattern area, and carrying out graded curing on the coated conductive polymer material, namely, carrying out preliminary curing before stripping the template, and completely curing after stripping the template, and finally transferring the cured conductive polymer pattern to a target substrate through a transfer film. According to the conductive polymer patterning printing method, the patterning problem of polymer materials with different viscosities is effectively solved in the mode that the hollowed-out template is combined with the blade coating process, accurate patterning treatment can be achieved for low-viscosity or high-viscosity conductive polymers, and the conductive polymer patterning printing method has wide applicability.

Provided is a transfer printing method capable of performing transfer printing of a multicolor pattern by a simple printing step. The pad printing method is a method for transferring a printing pattern to a printing object by bringing an ink-adhered pad head into contact with the printing object, and includes: a pattern creation step of color-decomposing the color of the final printing pattern into at least C (cyan), M (magenta), and Y (yellow), the printing patterns of all the colors are manufactured into dot patterns; a first transfer printing step, wherein the printing pattern of the color C is transferred to a printing object through a transfer printing rubber head; a second transfer printing step, wherein the printing pattern with the M color is transferred to the printing object through a transfer printing rubber head; and a third transfer printing step: transferring the printing pattern of the Y color to the printing object through a transfer printing rubber head.

This invention discloses a cold transfer printing device with wastewater recycling treatment, belonging to the field of multi-stage wastewater treatment. It includes a retrieval mechanism, with a mixing and purification mechanism located to its right. The retrieval mechanism includes a settling tank, with side plates integrally formed on both sides of the top of the settling tank. A motor is fixedly connected to the left front of the side plate located on the left side of the upper surface of the settling tank. A reciprocating lead screw is fixedly connected to the right end of the output shaft of the motor between the two side plates. Through the synergistic action of the retrieval mechanism and the mixing and purification mechanism, the cold transfer printing wastewater can be recycled after impurity retrieval and chemical purification, significantly reducing the consumption of fresh water. The collection box facilitates the centralized collection of fiber impurities for subsequent treatment or recycling, reducing solid waste pollution. The purification tank effectively removes alkaline substances, residual dyes, and auxiliaries from the wastewater through chemical reactions, reducing the risk of water pollution from wastewater discharge.

An object of the present invention is to provide an adhesive ink excellent in transferability onto a fabric during transfer printing and capable of enhancing fastness to wet rubbing and texture of an obtained printed material. The object can be achieved by an adhesive ink containing a resin, a water-soluble organic solvent, and water, in which the resin has a glass transition temperature of 30°C or lower and a weight average molecular weight of 10000 to 700000.

The invention relates to the technical field of heat transfer printing, in particular to a high-adaptability transfer printing medium, a preparation method and application. The high-adaptability transfer printing medium comprises a color layer, components of the color layer comprise main components and a solvent, and the main components comprise thermoplastic acrylic resin, vinyl chloride-vinyl acetate resin, chlorinated polypropylene resin and pigment; the molecular weight Mw of the thermoplastic acrylic resin is 5000-10000, and the glass transition temperature of the thermoplastic acrylic resin is 60-80 DEG C. The transfer printing medium has the advantages that the transfer printing speed is high, and printing stocks made of various different materials are considered at the same time; and the transfer printing effect is good, solvent resistance is achieved, abrasion resistance is high, applicability is wide, and reliability is high.

The invention discloses a mobile phone battery cover structure based on a composite cloth coating and a preparation method of the mobile phone battery cover structure, and the mobile phone battery cover structure comprises a base material layer, an attaching adhesive layer, a cloth layer, a PU functional layer and a surface treatment layer which are sequentially laminated and combined. And precise simulation of a natural material is synchronously realized in visual and tactile dimensions. The polyurethane layer autonomously forms a microscopic topological structure under curing at a specific temperature, so that scattering distortion is avoided when light penetrates through the woven texture of the fabric, and a clear and three-dimensional fabric pattern is presented; and the synchronously generated surface micro-convex points are regulated and controlled through precise friction, so that the battery cover leather is endowed with soft damping touch feeling. The design breaks through an inherent frame of separation of a visual layer and a tactile layer in a traditional transfer printing process, and unification of cloth texture light transmission performance and biological skin feeling feedback is achieved on a smart phone component for the first time.

The invention provides a transfer printing seal for a photoresist nano structure, a manufacturing method and a curved surface photoetching method, and the transfer printing seal comprises the following components in percentage by mass: 40%-70% of N, N-dimethylacrylamide, 30%-60% of 4-hydroxybutyl acrylate, 0.5%-2% of polyethylene glycol diacrylate and 0.5%-2% of a photoinitiator. In the curved surface photoetching process, the transfer printing seal is heated to 90 DEG C and then is conformally attached to the upper surface of the photoresist nano-structure, and the high modulus of the transfer printing seal protects the photoresist nano-structure from being damaged and deformed; the surface of the curved surface is heated, the transfer printing seal with the photoresist nanostructure is heated to 90 DEG C and then is attached to the surface of the curved surface in a conformal mode, the transfer printing seal is slowly peeled off at a constant speed, the reversible high adhesion switching ratio and the high modulus switching ratio can be achieved under thermal stimulation, high-yield picking and releasing of the microstructure are achieved, the transferred microstructure can be protected in the transfer printing picking stage, and the yield of the microstructure is improved. And in the transfer printing release stage, the photoresist nano-structure can be fully attached and conformal with the curved surface, so that high-yield preparation of the photoresist nano-structure on the curved surface is realized.

The invention belongs to the technical field of flexible sensing, and particularly relates to a tensile transparent resistive sensor and a preparation method thereof. The sensor is composed of an elastic substrate and gradient conductive layers, the conductive layers I and II are metal nanowire grids, the conductive layer III is a PEDOT: PSS / metal nanowire composite layer, the three layers form a gradient conductive network on the rigid substrate through a layer-by-layer coating process, and then the gradient conductive network is integrally transferred to the surface of the elastic substrate through a freezing auxiliary transfer printing technology. And forming an interlayer interpenetrating stretchable transparent conductive structure. After the structure is circularly stretched for 100 times under 50% strain, the resistance change rate is less than or equal to 7%, the light transmittance at 550 nm is more than or equal to 85%, the sheet resistance is as low as 16 omega / sq, and the structure has high sensitivity (the detection limit is less than or equal to 5% strain), high light transmittance and excellent cycle stability. The preparation method adopts an all-solution process, is low in cost, can realize large-area preparation, and is suitable for the fields of wearable electronics, health monitoring, human-computer interaction and the like.

The utility model discloses a kind of steel mesh frame insert piece type quick fixing structure, it is related to transfer printing technical field, including steel mesh, the edge of steel mesh is inserted and inserted piece is engaged, steel mesh, insert piece are connected with frame strip by first insertion slot, second insertion slot common engagement, the adjacent end of the frame strip is connected with corner connecting piece by guide slot, sliding slot, convex edge, convex handle, convex strip, baffle, third insertion slot common engagement. The structure when fixing steel mesh, full course does not need bolt and other auxiliary parts, realize the quick assembly of steel mesh and frame for transfer printing, greatly shorten assembly time, the flatness of steel mesh and frame overall rigidity in long-term use are guaranteed by multiple engagement structure, effectively avoid the transfer printing precision deviation caused by steel mesh displacement, frame deformation, meet the efficient, low cost, high stability production demand of transfer printing.