703 results about "Silver nanowires" patented technology

The invention discloses a preparation method of PEDOT: PSS (poly (3, 4-ethylenedioxythiophene): poly (styrenesulfonate))-based composite fiber with silver nanoparticles loaded on the surface. The method comprises the following steps: uniformly mixing a silver nanowire solution with a PEDOT: PSS solution, or uniformly mixing the silver nanowire solution, the PEDOT: PSS solution and a polymer solution to obtain a spinning solution; extruding the spinning solution into a coagulating bath through a wet spinning process and soaking to obtain nascent composite fibers; and drying the nascent composite fiber to obtain the PEDOT: PSS-based composite fiber of which the surface is loaded with silver nanoparticles and the interior contains silver nanowires. The interior and surface structures of the PEDOT: PSS fiber are simultaneously modified, the interior of the fiber contains a silver nanowire structure, and the surface of the fiber has a silver nanoparticle structure. The composite fiber has the characteristics of ultra-sensitive SERS sensing capability, high conductivity, electric heating, molten drop resistance and antibacterial property.

The invention provides conductive paste for a heterojunction solar cell and a preparation method of the conductive paste, and belongs to the field of conductive paste. The spherical nano-silver, the silver nanowires and the silver nanosheets are introduced, a three-dimensional conductive network is formed through three metal shapes, the conductivity of the paste is remarkably improved, high stability is kept in long-term use through the synergistic effect, and degradation of the conductivity is avoided; the carbon nanotubes are modified through mixed acid and a coupling agent, so that the dispersity is improved, the interface bonding force is enhanced, and the conductivity and mechanical strength of the slurry are improved; according to the graphene, the dispersity and compatibility are improved through introduction of sulfydryl, and the conductivity is restored through reduction of sodium borohydride; silver-coated silicon carbide is used as a filler to improve conductivity, retain hardness of silicon carbide, enhance wear resistance of the slurry and prolong service life; through the synergistic effect of the modified carbon nanotubes, the modified graphene and the silver-coated silicon carbide, the paste shows excellent performance in the aspects of conductivity, thermal stability and mechanical strength.

The invention relates to a preparation method of a silver nanowire based on a phenolic compound and the silver nanowire, and the preparation method comprises the following steps: 1, respectively dissolving polyvinylpyrrolidone, small molecular phenolic acid, halide, a silver source and the phenolic compound in deionized water to obtain respective solutions; 2, sequentially adding a polyvinylpyrrolidone solution, a small molecular phenolic acid solution, a halide solution and a silver source solution, and stirring to obtain a reaction solution A; step 3, adding a phenolic compound solution into the reaction solution A to obtain a reaction system B, and stirring and reacting to obtain a mixed solution C containing silver nanowires; fourthly, the mixed solution C containing the silver nanowires is sequentially centrifuged and washed, and then the silver nanowires are prepared; the diameter of the silver nanowire is 20-150 nm, and the length of the silver nanowire is 5-100 [mu] m. Therefore, according to the design, water is adopted as a solvent to synthesize the silver nanowire, the reaction temperature is low, and the reaction speed is high.

The invention belongs to the field of conductive films, and discloses a preparation method of a conductive film based on PEDOT: PSS and silver nanowires, and the preparation method specifically comprises the following steps: after carrying out surface hydroxylation treatment on the silver nanowires AgNWs, under the action of a silane coupling agent 3-(trimethoxymethylsilyl) propyl methacrylate TMSPMA, mixing the silver nanowires AgNWs with PEDOT: PSS to prepare a PEDOT: PSS / AgNWs base solution; the preparation method comprises the following steps: adjusting the pH value of a base solution to be nearly neutral through sodium citrate, then mixing the base solution with a PEA emulsion, carrying out spin coating to form a film, and finally, carrying out ultrafast laser treatment to improve the conductivity so as to obtain the conductive film based on PEDOT: PSS and silver nanowires. The conductive film provided by the invention has high conductivity (gt; 1200 S / cm), good stability and excellent mechanical properties, and is suitable for a flexible electronic device and stable work in a certain humidity environment.

The invention relates to the field of textile fabrics, and particularly discloses an antibacterial and crease-resistant garment fabric and a preparation process thereof. The antibacterial and crease-resistant garment fabric is prepared from modified cotton fibers and electrospun fibers of polyacrylonitrile and polyurethane according to the mass ratio of 1: (0.1-0.3): (0.3-0.5), and a preparation method of the polylactic acid fiber modified cotton fibers containing silver nanowires comprises the following steps that the cotton fibers are padded in finishing liquid and then dried and shaped, and pretreated cotton fibers are prepared; the pretreated cotton fibers are padded in the treating fluid and then dried and baked, and modified cotton fibers are prepared; the finishing liquid is prepared from the following raw materials: citric acid modified titanium dioxide sol, sodium hypophosphite, triethanolamine and deionized water; the treating fluid is prepared from the following raw materials: nylon waste silk, chitosan quaternary ammonium salt, N, N-dimethylformamide and alkaline silica sol. The garment fabric has the advantages of being good in antibacterial and crease-resistant effect, lasting in antibacterial effect and high in breaking strength.

The invention belongs to the technical field of flexible sensing, and particularly relates to a preparation method of an implantable flexible sensor and a bladder urine content wireless monitoring system based on the sensor and a radio frequency mechanism. Wherein the performance of the sensor is improved by utilizing a microporous structure, n-octane is added into TPU to form a porous dielectric layer through a method of different temperatures and different liquid solubility, and the second dielectric layer is added into TPU by using a core-shell structure of silver nanowires and titanium dioxide, so that the anti-interference performance of the pressure-volume sensor is remarkably improved. In addition, the overall structure of the sensor is designed into a semi-bent snake-shaped structure, and the sensor has good pressure-volume performance, sensitivity, restorability and anti-interference performance. The elastic silicone rubber is used for packaging, so that the biocompatibility and practicability of the material are improved, and unstable factors such as body fluid invasion are eliminated. Meanwhile, a wireless sensing system based on a radio frequency mechanism is designed and manufactured, the urine content of the bladder can be wirelessly known from the outside, and related work such as medical care can be helped.

Composite materials with noble metal coated silver nanowires loaded into polymer are described. The composite materials may have resistivities of no more than about 100 Ohm-cm, or from about 100 Ohm-cm to about 1×1011 Ohm-cm depending on the amount of noble metal coated silver nanowires loaded into the polymer. The noble metal coated silver nanowires may be platinum coated silver nanowires. Metal particulates such as silver flakes or silver particles may be added to the composite materials in order to obtain desired properties. Composite precursor compositions and methods for preparing the composite materials are described.

The invention provides a foldable dimming film which comprises a bendable base material layer, a first adhesion promoting layer, a conductive layer, a second adhesion promoting layer, a polymer dispersed liquid crystal layer, a second adhesion promoting layer, a conductive layer, a first adhesion promoting layer and a bendable base material layer which are sequentially stacked, and the conductive layer comprises graphene oxide and silver nanowires. The polymer dispersed liquid crystal layer comprises liquid crystals, linear polyurethane acrylate and functionalized polysilsesquioxane, the functionalized polysilsesquioxane accounts for 10%-20% of the total mass of the linear polyurethane acrylate and the functionalized polysilsesquioxane, and the bendable base material layer is made of a polymer with polar groups. The first adhesion promoting layer is made of linear polyurethane acrylate, the second adhesion promoting layer is composed of polyester polyol and cellulose, and the mass fraction of the cellulose is 15%-20%. The dimming film provided by the invention has relatively good foldability.

The invention discloses a conductive microneedle patch for diabetes wound healing and a preparation method and application thereof, and belongs to the technical field of biomedical materials. The conductive microneedle patch is of a nesting doll type double-layer structure formed by an inner layer and an outer layer, microneedles on the inner layer are constructed through a methacrylic anhydride modified gelatin template pouring method, and polyvinyl alcohol microneedles on the top layer are formed by the outer layer through a lining-template pouring method. Wherein the microneedle patch has remarkable conductivity and antibacterial property due to a conductive nano-material silver nanowire in the inner-layer microneedle, and the outer-layer microneedle is loaded with a hypoglycemic drug and a natural humectant betaine, so that the properties of moisturizing and continuously releasing drugs are achieved. The obtained microneedle patch can keep a wound moist environment and adjust a diabetes wound inflammation microenvironment, cell and blood vessel growth is promoted through exogenous electrical stimulation, and rapid healing of a diabetes wound can be effectively achieved by releasing a hypoglycemic drug.

The invention relates to the technical field of aerogel, in particular to flexible flame-retardant aerogel and a preparation method thereof.The flexible flame-retardant aerogel is prepared from modified graphene, modified polyvinyl alcohol, silver nanowires, phytic acid and epoxy resin E-51; the furan group is introduced into the aerogel through the modified graphene, the furan group and the maleimide group are subjected to a D-A reaction, an adhesive is prevented from being used when the aerogel is bonded with a screen backboard, the D-A reaction is reversible, and lossless reworking can be realized. PVA and epoxy resin E-51 are added together, so that the heat resistance and mechanical strength of the material are improved. PVA is grafted with a large-steric-hindrance amine group, weak interaction with a furan group is generated, side reaction with an epoxy group of epoxy resin E-51 is avoided, and when aerogel is bonded to an OLED screen backboard, the protective layer is reversibly released, so that D-A reaction can be smoothly carried out. The hydrophobic treatment of the modified graphene and the modified grafting of the polyethylene to the mPEG can effectively improve the agglomeration of the modified graphene and ensure the uniform dispersion of the modified graphene.

According to the flexible sensor for synchronously detecting dynamic and static states and internal conditions of human muscles, dynamic and static force cooperative detection and ultrasonic detection are integrated, and by using the elastic piezoelectric body containing the conductive filler, when the sensor is subjected to compression or stretching deformation, the resistivity and capacitance change greatly. By utilizing the piezoelectric effect and inverse piezoelectric effect of the material, an ultrasonic sensor is compatible with a piezoelectric capacitance type integrated sensor. Flexible electrodes (such as silver nanowires and graphene) and biocompatibility packaging (such as PDMS) are adopted. A time division strategy is adopted, and dynamic and static pressure detection and ultrasonic detection are alternately executed. Based on the technical scheme of the invention, the requirement of realizing accurate monitoring of dynamic force and static force in a full frequency range by using a single flexible sensor is met; the volume and weight of the device are greatly reduced, so that the sensor has good flexibility and wearing comfort, is suitable for physiological monitoring, avoids signal crosstalk and ensures data accuracy.

The invention belongs to the technical field of folding screens, and discloses an optical conductive film for a folding screen and a preparation method thereof.The optical conductive film for the folding screen comprises a composite base material, an interface transition layer, a gradient refractive index optical adjustment layer, a hybrid conductive layer and a scratch-resistant wear-resistant layer which are sequentially stacked from bottom to top; the composite base material is a blending modification layer of polyimide and transparent polyamide, the hybrid conductive layer is formed by compounding silver nanowires, a graphene sheet layer and PEDOT: PSS according to a preset proportion, and the refractive index of the gradient refractive index optical adjustment layer is gradually reduced in the direction away from the composite base material. And the difference value between the refractive index of the gradient refractive index optical adjustment layer and the refractive index of the hybrid conductive layer is not greater than 0.05. The mechanical stability, the light transmission efficiency, the conductive stability, the scratch resistance and the wear resistance of the film are improved, the performance is stable after folding circulation, the use requirements of a folding screen are met, and application in different scenes can be met.

The invention discloses a multi-layer composite shielding PVC wire harness adhesive tape and a preparation method thereof, and relates to the technical field of PVC wire harness adhesive tape, the multi-layer composite shielding PVC wire harness adhesive tape comprises a base material layer, an adhesive layer and a stripping layer, the upper end of the base material layer is provided with a directional electromagnetic shielding layer, the upper end of the directional electromagnetic shielding layer is provided with an aerogel buffer layer, and the upper end of the aerogel buffer layer is provided with an adhesive layer. The directional electromagnetic shielding layer is formed by compounding MXene nanosheets and silver nanowires according to the mass ratio of (1: 0.3)-(1: 1). Polyimide fibers are embedded into pores of the silicon dioxide aerogel in a three-dimensional network structure, so that high buffering property and heat insulation property are realized, the problems that polyurethane foam is poor in heat insulation property and is easy to soften and lose efficacy in a high-temperature environment are solved, and the polyurethane foam is favorably used in an extreme environment and keeps certain stability.

The invention belongs to the technical field of nanometer materials, and designs an ultra-long silver nanowire and a preparation method and application thereof.The raw materials of the preparation method comprise a reducing agent, a solvent, an etching agent and a passivator, a hydrothermal method is adopted, the reducing agent is one or more of glutaraldehyde, butanedialdehyde, adipaldehyde, heptanedialdehyde and octanedialdehyde, the solvent is water, and the etching agent is an organic solvent; the etching agent is soluble metal salt which contains chloride ions and does not contain iron ions; the maximum length of the prepared ultra-long silver nanowire is 185 to 786 m, and the length-diameter ratio of the prepared ultra-long silver nanowire is 1927 to 10077; according to the application, the ultra-long silver nanowire is used for preparing a flexible transparent conductive electrode. According to the method, the separation-free ultra-long silver nanowire can be prepared in a short time, the process is simple, the cost is low, and devices such as transparent conductive electrodes with high light transmittance can be prepared on the flexible substrate.

The invention belongs to the field of intelligent wearing, and discloses a multifunctional wearable composite fiber membrane and a preparation method and application thereof. The multifunctional wearable composite fiber membrane is of a sandwich structure, the upper layer is a fullerene hybridized phosphorene modified polyacrylonitrile membrane, the lower layer is a polyurethane membrane, and the middle layer is a silver nanowire layer. The preparation method comprises the following steps: firstly, preparing fullerene hybridized phosphorene nanosheets, dispersing the fullerene hybridized phosphorene nanosheets into a solvent to obtain fullerene hybridized phosphorene dispersion liquid, adding the fullerene hybridized phosphorene dispersion liquid into a polyacrylonitrile solution, stirring to obtain a fullerene hybridized phosphorene / polyacrylonitrile spinning solution, and carrying out electrostatic spinning to obtain the fullerene hybridized phosphorene modified polyacrylonitrile fiber membrane. And then rolling or spraying a silver nanowire layer, covering one side of the silver nanowire layer with a polyurethane fiber membrane, drying and pressing to obtain the composite material. The composite fiber membrane prepared by the invention has good mechanical properties, air permeability, one-way moisture conduction performance, antibacterial performance, heat dissipation performance, electromagnetic shielding performance and flame retardant performance, and has a wide application prospect in the field of flexible wearable intelligent equipment.

The invention relates to the technical field of comprehensive recovery and treatment of waste photovoltaic panels, in particular to a comprehensive utilization method and equipment for waste photovoltaic panels. The method comprises the following steps: step 1, dismantling the frame of the waste photovoltaic equipment: heating the waste photovoltaic panel to heat and soften an adhesive of the frame of the waste photovoltaic panel, and then carrying out nondestructive dismantling and briquetting; 2, the photovoltaic panel with the frame removed is conveyed to a pulverizer to be preliminarily pulverized; step 3, conveying the preliminarily crushed photovoltaic panel to a high-temperature decomposition machine, and performing decomposition under a high-temperature condition; and 4, the materials decomposed by the high-temperature decomposition machine are conveyed to a separation system to be separated, glass is separated out through a vibrating screen, and separation of silicon, copper and the nanometer silver wires is achieved through winnowing separation and electrostatic separation. According to the comprehensive recycling treatment method for the waste photovoltaic panels, efficient and automatic recycling treatment of the waste photovoltaic panels is achieved, the recycling efficiency is improved, and the recycling cost is reduced.

The invention discloses a tannic acid modified titanium carbide / silver nanowire / aramid nanofiber electromagnetic shielding composite film and a preparation method and application thereof.The preparation method comprises the steps that titanium aluminum carbide powder is added into a mixed solution of lithium fluoride and hydrochloric acid, stirring reaction is performed, ultrasonic treatment is performed to prepare an MXene aqueous dispersion, tannic acid is added into the MXene aqueous dispersion, stirring reaction is performed, and the tannic acid modified titanium carbide / silver nanowire / aramid nanofiber electromagnetic shielding composite film is obtained. Stirring and reacting at room temperature to prepare an MXene-TA dispersion liquid; the preparation method comprises the following steps: dissolving potassium hydroxide and para-aramid chopped fibers in dimethyl sulfoxide, and stirring to obtain an aramid nanofiber dispersion liquid; and the tannic acid modified titanium carbide / silver nanowire composite electromagnetic shielding composite film is prepared from the MXene-TA dispersion liquid, the AgNWs dispersion liquid and the aramid nanofiber. The electromagnetic shielding composite film prepared through the method is not prone to oxidation and good in mechanical performance, and the use stability of an electromagnetic shielding material is effectively improved.

The invention relates to the technical field of new material detection, in particular to a touch screen production fault detection method based on data feedback, which comprises the following steps of: arranging a transmission spectrum detection device on a flexible touch screen roll-to-roll production line, and continuously monitoring a plurality of layers of films by adopting a U-shaped light path structure to obtain multi-wavelength transmission spectrum data; based on an optical absorption model of each thin film layer, chromatography decoupling operation is carried out on the multi-wavelength transmission spectrum data, and a target spectrum is separated; according to the film temperature monitored in real time, combining a preset material temperature optical constant database and setting a reference light path to carry out temperature compensation and baseline correction on the target spectrum; establishing a silver nanowire agglomeration spectrum model, performing second derivative calculation on the target spectrum after baseline correction, identifying spectrum characteristic peaks, and evaluating the agglomeration degree of the silver nanowires; and judging the degradation defect of the conductive network based on the agglomeration degree of the silver nanowires to obtain a defect detection result, and adjusting process parameters.

The invention provides HJT battery low-temperature silver paste and a preparation method thereof, a silver grid line electrode and an HJT battery, and belongs to the technical field of HJT batteries. The total mass of the low-temperature silver paste is 100%, the low-temperature silver paste comprises the following components: 70-75% of micron-scale spherical silver powder, 3-5% of nano-scale spherical silver powder, 3-5% of silver nanowires, 6-8% of thermosetting resin, 0.2-0.5% of a curing agent, 1-3% of a conductive polymer monomer, 0.1-0.2% of an initiator and the balance of an organic solvent, the length of the silver nanowires is micron-scale, and the length of the conductive polymer monomer is 1-3%. And the diameter of the silver nanowire is nanoscale. The silver grid line electrode prepared from the low-temperature silver paste has excellent conductivity.

The invention relates to the technical field of flexible tension sensors, in particular to a preparation method and application of a visual flexible tension sensor, and the preparation method comprises the following steps: preparation of conductive cashmere yarn, preparation of visual cashmere yarn and assembly of the visual flexible tension sensor. The one-dimensional silver nanowires are in lap joint with the two-dimensional lamellas, the one-dimensional silver nanowires and the two-dimensional lamellas jointly construct the three-dimensional conductive network with the synergistic effect, compared with a traditional conductive coating, the gap between one-dimensional conductive networks is filled, resistance is reduced, the electrical performance is improved, falling and sliding of the two-dimensional conductive network are avoided, stability is improved, and the conductive coating has the advantages of being high in practicability and the like. Secondly, the tensile strain degree is displayed through color change of the surface of the flexible tension sensor, the tensile force borne by the flexible tension sensor is visually expressed through color change, and the flexible tension sensor can be applied to mechanical detection such as portable detection which does not need quantification and only needs qualitative comparison of the mechanical change degree.

The invention discloses low-silver-content composite conductive silver paste based on a three-dimensional conductive network and a preparation method, and relates to the technical field of composite conductive silver paste preparation, and the low-silver-content composite conductive silver paste comprises a low-silver-content conductive phase, an interface bonding layer, a support body and an organic carrier; and the conductive phase with low silver content comprises the following components: 25 wt%-30 wt% of silver-plated hollow glass beads and 12 wt%-18 wt% of a three-dimensional conductive network. According to the invention, through accurate proportioning of the conductive phase with low silver content, the use amount of silver is greatly reduced. The silver-plated hollow glass bead takes light glass as a core and an ultrathin silver layer as a conductive shell, so that the silver consumption is reduced by more than 60wt%; the three-dimensional conductive network adopts a synergistic structure of silver nanowire fragments and graphene composite fragments, and the high conductivity of graphene is utilized to replace part of silver materials, so that the dependency degree of silver is further reduced. The silver content of the silver paste is greatly reduced, the cost of raw materials is greatly reduced, and the economical efficiency of the silver paste in large-scale application scenes such as photovoltaic and electronic packaging is remarkably improved.

The invention discloses a carbon nanotube and silver nanowire co-loaded cotton fabric, a preparation method and application, a pretreated cotton fabric is placed in a silane coupling agent solution, and after soaking treatment, washing and drying are performed to obtain a modified cotton fabric; the preparation method comprises the following steps: acidizing carbon nanotubes, and dispersing the acidized carbon nanotubes in deionized water to obtain acidized carbon nanotube dispersion liquid; the preparation method comprises the following steps: mixing a reducing agent, ferric sulfate, silver nitrate, polyvinylpyrrolidone and water, heating to react, centrifuging, washing, and dispersing a product into deionized water to obtain AgNWs dispersion liquid; the modified cotton fabric is soaked in a CNTs / AgNWs dispersion liquid prepared from the acidified carbon nanotube dispersion liquid and the AgNWs dispersion liquid, and the modified cotton fabric is taken out and dried. The cotton fabric is modified through oxysilane, active groups are introduced to the surface of the fabric, and the binding force of the cotton fabric and a conductive material is enhanced. The surface of the fiber is coated with the carbon nanotubes, the silver nanowires are in lap joint to fill gaps, the carbon nanotubes and the silver nanowires form a continuous and complete conductive network on the surface of the cotton fabric, and the conductivity is improved.

The invention discloses a near-infrared light cured conductive adhesive and a preparation method thereof, and belongs to the field of micro-nano electronic packaging and semiconductor materials. The problems that an existing conductive adhesive is high in curing temperature, long in curing time and poor in curing effect are solved. Silver-coated copper powder and silver nanowires serve as conductive filler and are mixed with epoxy acrylate resin, a reactive diluent, a photoinitiator, a thermal initiator, a defoaming agent and a flatting agent, grinding, defoaming and near-infrared light curing are conducted, and the conductive adhesive is obtained. The thermal initiator and the photoinitiator are combined, the near-infrared light is adopted for irradiation, the high-energy density of the near-infrared light directly permeates into the conductive adhesive film layer, the conductive adhesive film layer is heated at the same time and is not absorbed by the substrate, rapid curing of the conductive adhesive can be achieved, and when the radiation power is 120-300 W, the radiation time is 30-600 s and the irradiation frequency is 1-10 times, the conductive adhesive can be rapidly cured. And the cured conductive adhesive is low in volume resistance and high in bonding strength.

The invention discloses a perovskite light-emitting diode based on a double-layer micro-nano grating structure and a preparation method of the perovskite light-emitting diode. The preparation method comprises the following steps: firstly, carrying out ultrasonic cleaning and drying on a substrate; then, annealing is performed after a hole transport layer is spin-coated on the substrate; spin-coating photoresist on the hole transport layer, annealing, and carrying out exposure, development, etching and photoresist removal treatment to obtain the hole transport layer with a micro-nano grating structure; then, annealing is carried out after a perovskite light active layer is spin-coated on the hole transport layer; then, the perovskite optical active layer is spin-coated with an electron transport layer and then annealed; spin-coating photoresist on the electron transport layer, annealing, and carrying out exposure, development, etching and photoresist removal treatment to obtain the electron transport layer with a micro-nano grating structure; secondly, thermally spraying silver nanowires on the electron transport layer to form a cathode; and finally, packaging the device. A double-layer micro-nano grating structure is introduced, and the size of the double-layer micro-nano grating structure is adjusted, so that the light transmission direction is changed, and the light emitting efficiency of the perovskite light emitting diode is improved.

The invention discloses a silver nanowire network film and a welding method, and relates to the technical field of nano material processing and flexible electronic device manufacturing, and the welding method comprises the following steps: taking a polyester film as a substrate, taking silver nanowires, and placing the silver nanowires in ethanol to prepare a silver nanowire dispersion liquid; spin-coating the silver nanowire dispersion liquid on a substrate, and drying to form a silver nanowire network electrode; a focused light scanning system is adopted to weld the silver nanowire film, a xenon lamp light source is adopted to form a light spot through focusing of a convex lens, an XY motor drives a platform to drive a silver nanowire network electrode to perform two-dimensional motion, and the light spot scans a to-be-welded area of the silver nanowire network electrode according to a preset path for welding; and naturally cooling to obtain the silver nanowire network film. Uniformity and stability of current conduction of the electrode network are guaranteed, and comprehensive and efficient node welding is achieved.

The invention belongs to the technical field of low-noise magnetic shielding, and particularly relates to a flexible high-temperature-resistant magnetic shielding film and a preparation method thereof.The preparation method comprises the steps that a PI double-sided tape is attached to one side of a glass slide, and a PTFE / PDMS film is attached to one side of the glass slide to serve as a substrate sprayed by a silver nanometer bundle net; preparing a silver nanowire solution, and spraying the silver nanowire solution on the PTFE / PDMS film by using a spray gun to obtain a silver nano bundle net; spin-coating, curing and transferring the silver nano bundle net to obtain a flexible substrate of the cured silver nano bundle net; according to the flexible high-temperature-resistant magnetic shielding thin film and the preparation method thereof, the characteristic that the silver nanometer bundle net has the electromagnetic shielding performance is utilized, soft magnetic thin films are sputtered on the two sides of the silver nanometer bundle net, the shielding effectiveness of a traditional single-layer shielding thin film is further improved, and the flexible high-temperature-resistant magnetic shielding thin film is obtained. The obtained thin film is light in weight and meets the flexible application requirement of the magnetic shielding thin film, the application space is complex and changeable, and the flexible shielding thin film is light in weight, good in flexibility and excellent in shielding performance.

The invention relates to a transparent antistatic protective film and a preparation method thereof, and belongs to the technical field of composite film materials, the transparent antistatic protective film specifically comprises a base material, a polythiophene antistatic layer and a silver-plated nanowire transparent antistatic functional coating, the polythiophene antistatic layer and the silver-plated nanowire transparent antistatic functional coating are attached to the base material, the surface resistance of the transparent antistatic protective film is 104-108 ohm, the optical transmittance is 65-90%, and the thickness of the transparent antistatic protective film is 10-20 micrometers. The preparation method comprises the following steps: 1, taking a pretreated base material, coating the surface of the base material with a polythiophene antistatic liquid, putting the base material into a drying oven, and taking out the base material after drying to obtain a base material coated with a polythiophene antistatic layer; and 2, coating a silver-plated nanowire transparent antistatic functional coating on the polythiophene antistatic layer obtained in the step 1, and drying in a drying oven to obtain the transparent antistatic protective film. The method is rich in raw material source, simple in preparation process and short in production period, and the problems that in the prior art, the optical transmittance is low, the antistatic performance is unstable, and curing of the functional coating is affected due to the fact that conductive filler is added into the functional coating can be effectively solved.

The invention belongs to the technical field of organic functional materials and organic electronics, and particularly relates to a modified stretchable electrode and a preparation method and application thereof. Silver nanowire dispersion liquid is spin-coated on a substrate, an obtained silver nanowire film is patterned, the obtained patterned silver nanowire film is soaked in a modifier (a small molecule compound containing a group capable of being combined with silver and a hydrogen supply group) for modification, the upper portion of the obtained modified silver nanowire film is coated with an organic polymer solution, and after annealing, the silver nanowire film is obtained. And stripping from the substrate to obtain the modified stretchable electrode. Through the interaction between the modified and enhanced silver nanowire film and the organic polymer, the tensile property is improved, the situation that the sheet resistance of the modified stretchable electrode is increased due to breakage of the silver nanowires is avoided, and the modified stretchable electrode has high conductivity, high transparency and high fatigue resistance at the same time.

The invention belongs to the technical field of conductive ink, and particularly relates to conductive UV ink-jet ink containing silver nanowires and a preparation method of the conductive UV ink-jet ink. According to the preparation method, the carbon nanotubes are subjected to composite modification, silver loading is realized through a heating reduction method, photocuring performance is obtained by means of grafting of dopamine and acrylic acid, and the conductive UV ink-jet ink containing the silver nanowires is prepared by being matched with the modified silver nanowires for common use, so that the conductive UV ink-jet ink containing the silver nanowires is prepared on the basis of ensuring that the ink is dispersed stably and does not generate precipitates; and the conductivity is effectively improved.

Concentrated dispersions of silver nanowires are used to prepare qualitatively distinct silver structures with a range of properties. The concentrated dispersions can have a high weight percent of silver nanowires and can be formulated to be flowable liquids or non-flowing pastes. The concentrated dispersions can be stable with no visible settling over the course of a week, can have non-Newtonian rheology, and can be diluted to a desired weight percent of silver nanowires without detrimental effects on the uniformity of the dispersions. The concentrated dispersions can be formulated with or without polymers or pre-polymer components. The concentrated dispersions can be formulated with silver salts to adjust dispersion of the silver nanowires and to improve electrical conductivity of cured silver structures formed from the dispersions. Methods for forming the concentrated dispersions are described as are methods to form silver structures from the dispersions.