2404results about "Electrically-conducting adhesives" patented technology

The invention is applicable to the technical field of conductive adhesives, and provides a conductive nanoparticle-doped epoxy resin conductive adhesive which comprises the following raw materials in parts by weight: 0.05-4 parts of conductive metal nanoparticles, 0.03-6 parts of conductive polymer nanoparticles, 45-80 parts of modified flaky silver-coated copper powder, 10-50 parts of epoxy resin, 10-30 parts of a curing agent, 0.001-1 part of an accelerant and 0.2-0.6 part of a modifier. The invention further provides a preparation method of the epoxy resin conductive adhesive doped with the conductive nanoparticles. The invention also provides application of the epoxy resin conductive adhesive doped with the conductive nanoparticles in preparation of a semiconductor packaging material. The conductive metal nanoparticles and the conductive polymer nanoparticles are introduced into the formula of the conductive adhesive in a doping manner, the usage amount of the micron silver coated copper powder can be reduced on the premise of ensuring that the conductive adhesive has good conductivity, and the preparation method is convenient to operate, simple and easy to implement and low in raw material price.

The invention belongs to the technical field of biomedical materials, and particularly relates to adipose-derived mesenchymal stem cell loaded conductive hydrogel and a preparation method and application thereof, the preparation method comprises the following steps: step S1, after hyaluronic acid is subjected to oxidation treatment, dopamine is grafted to oxidized hyaluronic acid, and oxidized hyaluronic acid-dopamine is obtained; step S2, carrying out amination treatment on gelatin to obtain aminated gelatin; s3, mixing the oxidized hyaluronic acid-dopamine with the aminated gelatin, and carrying out Schiff base crosslinking, so as to obtain hydrogel; and step S4, loading the adipose tissue-derived stromal cells by using the hydrogel. Dopamine is grafted on an oxidized hyaluronic acid macromolecular chain through amidation reaction, the hydrophilicity and the electrical property of the macromolecular chain are improved, a catechol structure is provided to provide possibility for iron ion coordination, the tissue adhesion, the injectability, the mechanical property and the electrical conductivity of the hydrogel are improved, and the hydrogel can be applied to the field of biomedical materials. After being applied to a spinal cord injury rat model, the functional recovery can be promoted.

The invention discloses injectable hydrogel with redox activity and electroactivity as well as a preparation method and application of the injectable hydrogel, and belongs to the technical field of medical materials. The preparation method comprises the following steps: reacting methacrylic anhydride and polysaccharide molecules in a solvent to prepare a double-bond functional polymer; the preparation method comprises the following steps: firstly, pre-polymerizing dopamine in a solvent, and then adding MOF (Metal Organic Framework) to carry out polymerization reaction, so as to prepare dopamine modified MOF; reacting the dopamine modified MOF, EDOT and ferric salt in a solvent, and collecting the precipitate to prepare a nano filler; the preparation method comprises the following steps: jointly dispersing the double-bond functional polymer, active polypeptide, a photoinitiator and nano filler into a solvent, and carrying out photocuring cross-linking. The preparation condition is mild, gel forming is rapid, the method is simple, the prepared hydrogel has injectable performance and conductive performance, catalytic activity of natural enzyme can be simulated, active oxygen removal can be achieved in the early stage of myocardial ischemia, electrical conduction of infarction parts can be enhanced, and effective recovery of cardiac functions can be achieved.

Disclosed in the present disclosure are a modified polyvinyl alcohol binder and a preparation method therefor, and a modified composite current collector. The preparation method comprises the following steps: alternately freezing and unfreezing an aqueous solution of polyvinyl alcohol, so as to obtain pre-crosslinked polyvinyl alcohol; and placing the pre-crosslinked polyvinyl alcohol in a lithium salt solution to treat same, so as to obtain the modified polyvinyl alcohol binder. The modified polyvinyl alcohol binder has a dual-crosslinked network and abundant branched chain structures, and has high extensibility and good bonding performance and lithium-replenishing effect. A modified composite current collector containing the modified polyvinyl alcohol binder can implement self-repairing during rolling extension to ensure the connection of a conductive network, thereby having good conductivity, and can perform lithium replenishment on an electrode material to counteract irreversible lithium loss caused by formation of an SEI film, thereby improving the total capacity, energy density and first-cycle coulombic efficiency of a lithium-ion battery and enabling the lithium-ion battery to have better electrochemical performance.

The invention discloses an acrylate conductive composite pressure-sensitive adhesive and a preparation method thereof. The acrylate conductive composite pressure-sensitive adhesive comprises a raw material A and a raw material B, wherein the raw material A comprises 5-15 parts of acrylate polymer; 0.10 to 1.00 parts of epoxy resin; 1.0 to 10.0 parts of aniline; 0.1 to 1.0 part of an initiator; 1-5 parts of conductive particles; and 0.010 to 0.100 part of an amine curing agent. The acrylate conductive composite pressure-sensitive adhesive disclosed by the invention has excellent conductivity and capacitance sensing performance, and shows excellent capacitance stability and relatively high sensitivity in a pressure cycle test; on the basis of containing the conductive filler, the pressure-sensitive adhesive still has better hardness, adhesion strength and tensile strength, and the conductive filler is well dispersed and combined in a pressure-sensitive adhesive system.

The invention relates to a high-thermal-conductivity epoxy resin conductive adhesive containing a composite conductive filler and a preparation method of the high-thermal-conductivity epoxy resin conductive adhesive. The high-thermal-conductivity epoxy resin conductive adhesive containing the composite conductive filler comprises 6-16% of graphene oxide modified epoxy resin, 0.6-3% of a curing agent, 0-1% of a curing accelerator, 2-7% of epoxidized soybean oil modified single-layer / multi-layer carbon nanotubes, 3-7% of carbon fibers, 3-7% of nano silver powder, 40-70% of micron silver powder, 5.0-15.0% of a surface treating agent, 0.3-2.7% of a coupling agent, 0.5-1.5% of a dispersing agent, 0.1-0.3% of an antioxidant and 0.1-0.3% of a lubricant. 0.5% and the balance of a solvent. The graphene oxide modified epoxy resin and the epoxidized soybean oil modified single-layer / multi-layer carbon nanotubes are utilized to improve the dispersion stability of the filler, the modified single-layer / multi-layer carbon nanotubes are adopted as a short-range conductive additive, the carbon fibers are adopted as a long-range conductive additive, and the graphene oxide modified epoxy resin and the epoxidized soybean oil modified single-layer / multi-layer carbon nanotubes and the carbon fibers cooperate to improve the conductivity. The conductive adhesive disclosed by the invention is high in heat conductivity, low in volume resistivity and high in tensile strength and bending strength, and has a wide application prospect in the fields of automotive electronics, wind power photovoltaics, LEDs (Light Emitting Diode), LCDs (Liquid Crystal Display) and the like.

The present invention discloses a low-temperature conductive adhesive, which is prepared by weight using raw materials including 70-80 parts of silver powder, 20-30 parts of resin matrix, 1-10 parts of curing agent, 0.1-0.5 parts of silane coupling agent, 0.1-0.5 parts of stabilizer, and 0.1-0.5 parts of metal salt. The present invention introduces an organic metal salt into the resin matrix to reduce the contact resistance of the colloid, and after wet heat aging, maintains a lower contact resistance increase rate. The present invention adopts a combination of epoxy resin, acrylate and modified epoxy acrylic resin, and the weight of epoxy resin and acrylate is less than or equal to the weight of modified epoxy acrylic resin, so that low-temperature curing can be achieved. The present invention can achieve 60-80 ° C, 20-40 min curing, and the conductive adhesive elongation at break obtained can reach more than 8%, and before and after wet heat aging, there is a more stable and relatively small contact resistance, which is particularly suitable for the electronic field with high requirements for contact resistance.

The invention provides a biofeedback type electrical stimulation regulation and control device based on multi-mode physiological signal monitoring and a control method, the regulation and control device comprises an electronic component layer, a circuit layer, a man-machine interaction part and an adhesion layer, physiological signal acquisition and electrical stimulation regulation technologies are utilized, and a multi-source biosensor and an intelligent processing module are integrated, so that the regulation and control of the biofeedback type electrical stimulation regulation and control device is realized. Dynamic monitoring and real-time analysis of physiological signals are achieved, self-adaptive adjustment of personalized parameters is conducted based on signal characteristics, and a non-invasive biological feedback regulation and control system is formed. Through integrated multi-mode detection and intelligent regulation and control functions, a non-invasive and convenient regulation and control means is provided for wearers with abnormal nerve or physiological states; a portable and comfortable attached structure is adopted, the device can be worn at the Neiguan point for a long time, physiological signal continuous monitoring and electrical stimulation closed-loop feedback adjustment are achieved, and the personalized health management requirement of a user is met.

The invention relates to the technical field of conductive glue, in particular to polyurethane modified silicone rubber, sprayable conductive glue and a preparation method thereof. The polyurethane modified silicone rubber is prepared from the following components in parts by weight: 50 to 150 parts of vinyl silicone oil, 20 to 50 parts of polyurethane powder and 5 to 15 parts of compatilizer, the sprayable conductive glue comprises the following components in parts by weight: 20-40 parts of conductive particles, 5-15 parts of hydrogen-containing silicone oil, 50-150 parts of polyurethane modified silicone rubber, 1-10 parts of a coupling agent, 1-5 parts of a catalyst, 1-2 parts of an inhibitor, 40-90 parts of a diluent and 1-2 parts of a defoaming agent, compared with traditional silicone rubber, the polyurethane modified silicone rubber provided by the invention is high in mechanical strength and not easy to tear, when the polyurethane modified silicone rubber provided by the invention is used for preparing sprayable conductive glue, a conductive layer formed by the conductive glue is excellent in conductivity, and meanwhile, the mechanical property is also remarkably improved.

The invention relates to the technical field of debondable adhesives, in particular to an electrically debondable adhesive and a preparation method thereof. The electrode material comprises an acrylate polymer, a conductive filler, a plasticizer, an antistatic agent, a curing agent, a modified electrode material and an auxiliary agent, the modified electrode material is prepared by modifying a basic electrode material through a modifier, is used for improving the electrolysis speed of the electrically debondable adhesive, and interacts with the acrylic polymer to improve the bonding performance. By introducing the modified electrode material, the adhesive can quickly respond and realize quick debonding after a specific voltage is applied; the cost and the difficulty of disassembling and replacing elements can be greatly reduced, meanwhile, damage to the elements is avoided, and the maintenance efficiency and the reliability of the electronic equipment are improved. The adhesive disclosed by the invention can still keep good adhesive performance and conductivity after being used for a long time, and the service life of a product is prolonged.

The invention belongs to the technical field of conductive adhesives, and particularly relates to a salt-fog-resistant waterborne conductive adhesive and a preparation method thereof.The salt-fog-resistant waterborne conductive adhesive is mainly prepared from, by weight, 5-10 parts of salt-fog-resistant waterborne polyurethane; 5 to 10 parts of water-based tackifying resin; 30 to 50 parts of conductive silver powder; 10 to 20 parts of ethanol; 2-10 parts of an anti-hydrolysis agent; and 10-30 parts of deionized water. According to the salt-fog-resistant aqueous conductive adhesive, polyurethane resin with polytetrahydrofuran alcohol and polycaprolactone polyol as main structures is used as matrix resin, a system is endowed with excellent water resistance and salt-fog resistance, the salt-fog-resistant aqueous conductive adhesive shows outstanding hydrolysis-resistant stability after being cured, and the salt-fog-resistant aqueous conductive adhesive and the conductive silver powder have a synergistic effect, so that the anti-settling performance is effectively improved.

A primer composition includes solvent, electrically conductive filler dispersed in the solvent, and a polymer at least one of dissolved or dispersed in the solvent. The polymer includes at least one of a polyurethane, polyacrylate, a polyamide, or a rubber. An adhesive system includes the electrically conductive composition and an electrically debonding adhesive including an ionic liquid. The use of the primer composition as a primer on an electrically nonconductive substrate in combination with an electrically debonding adhesive is also described. A method of making a bonded article and an article bonded with the adhesive system disclosed herein and / or made by the method disclosed herein are also described.

The invention discloses a negative electrode binder and a preparation method thereof, a negative electrode material, a negative electrode plate, and a battery, and belongs to the technical field of lithium ion batteries. The conductive binder of the invention is obtained by uniformly dispersing conductive polymer gel particles in a polythiophene-polystyrene sulfonic acid mixture, reacting, and obtaining; the conductive polymer gel particles are obtained by mixing a conductive polymer with a phytic acid solution, adding ammonium persulfate to mix, standing for reaction, and drying. The preparation method of the conductive binder of the invention is simple, suitable for large-scale production, and can be further mixed with silicon nanomaterials to prepare negative electrode slurry, simplifying the components and pulping process of the negative electrode slurry, and at the same time, phytic acid bridges the conductive polymer and thiophene substances to form a three-dimensional cross-linked network, thereby improving the mechanical properties of the conductive binder, solving the problem of poor mechanical strength of the existing binder and structural damage caused by volume shrinkage and expansion of the negative electrode material during charging and discharging, and improving the cycle performance and rate performance of the battery.

The invention discloses a high-toughness conductive and thermal-conductive epoxy adhesive, a preparation method thereof and a conductive film, and belongs to the technical field of conductive materials. Comprising the following raw material components in parts by weight: 100 parts of epoxy resin, 4-25 parts of a latent curing agent, 0.5-5 parts of an accelerant, 200-600 parts of conductive filler, 5-15 parts of an epoxy-terminated polyurethane flexibilizer, 5-20 parts of a core-shell flexibilizer, 5-10 parts of a nitrile rubber flexibilizer, 2-10 parts of a reactive diluent, 0.5-2 parts of a coupling agent and 20-50 parts of a solvent. Through compounding of the over-end epoxy type polyurethane flexibilizer, the core-shell flexibilizer and the nitrile rubber flexibilizer, the prepared conductive adhesive has excellent toughness and bonding characteristics, and meanwhile, the shrinkage stress and thermal stress in the curing process can be reduced.

The invention relates to the technical field of conductive composite materials, in particular to an electric continuous conductive adhesive film and a preparation method thereof.The electric continuous conductive adhesive film comprises a conductive functional layer and a resin film layer wrapping the conductive functional layer; conductive particles are arranged in the resin film layer, and the weight ratio of the conductive particles to the resin film layer is 1-15%. The preparation method comprises the steps that the average diameter of the conductive particles is determined according to the thickness of the adhesive film, and the average diameter of the conductive particles is larger than the thickness of the resin film; heating and melting the resin at a set melting temperature, adding the conductive particles into the molten resin, and stirring until the conductive particles and the resin are uniformly mixed to form a resin mixture; molding the cooled resin mixture into an adhesive film by adopting a hot melting method; and compounding the adhesive film with a conductive functional layer, and carrying out hot-pressing compounding and cooling section hardening to obtain the electrically continuous conductive adhesive film. The electrically continuous conductive adhesive film and the preparation method thereof aim at solving the problem that the surface conductivity of the conductive adhesive film after resin curing is relatively poor.

The application belongs to the technical field of conductive glue, and particularly relates to a conductive glue, a preparation method and application thereof, wherein the conductive glue is made of the following raw materials in parts by weight: 40-60 parts of synthetic acrylic resin, 5-15 parts of epoxy resin, 25-45 parts of conductive filler, 5-15 parts of latent curing aid, 80-120 parts of diluent and 5-8 parts of auxiliary agent. By adding the latent curing aid, the application can reduce the potential possibility of the reaction of the acrylic resin and the epoxy resin at room temperature, thereby improving the storage effect of the conductive glue, improving the overall performance of the electronic product and meeting different application scenarios with different requirements. The preparation method directly mixes the raw materials such as the acrylic resin, the epoxy resin, the conductive filler, the auxiliary agent, the diluent and the latent curing aid uniformly in the preparation process without the need of separation and storage, thereby reducing the production cost, simplifying the use process of the user, improving the production efficiency of the conductive glue and the product quality.

To provide an adhesive film with a metal layer and a wiring formation member that enable the simplification of the formation process of a wiring layer interconnecting wires, while ensuring a reduction in connection resistance.SOLUTION: A wiring formation member 1, one example of an adhesive film with a metal layer, comprises a metal layer 20 and an adhesive layer 10 that is provided on the metal layer 20. The adhesive layer 10 includes copper particles 12 and a thermosetting resin composition. The content of the copper particles 12 is 6 vol.% or less based on the total volume of the adhesive layer 10.SELECTED DRAWING: Figure 1

The invention discloses a self-power-generation stomach residence electronic capsule and application thereof, and belongs to the technical field of medical capsules, the self-power-generation stomach residence electronic capsule structurally comprises a capsule shell, and a self-power-generation stomach residence unit, a drug release unit and a circuit system which are arranged in the capsule shell; the self-generating stomach residence unit structure comprises an anode, a plurality of elastic support arms, a cathode and a fastener, and the fastener fixes the plurality of elastic support arms between the anode and the cathode; the anode and the cathode are subjected to primary battery reaction in a gastric juice environment to generate power; the drug release unit is detachably connected with the self-generating gastric residence unit, the drug release unit comprises a drug cabin and a propelling module, the propelling module comprises an electrolyte, an isolating membrane and a propellant, the isolating membrane plays a role in isolating the electrolyte and the propellant and can be dissolved by the electrolyte under the condition that voltage is applied, and the drug cabin is connected with the drug cabin. After the electrolyte is in contact with the propellant, pushing force is generated to release the medicine in the medicine cabin.

The invention provides an epoxy resin packaging bonding material with high bonding stability and a preparation method thereof. The packaging bonding material is prepared from the following raw material components: 8 to 18 percent of graphene oxide modified epoxy resin, 0.8 to 4.0 percent of a curing agent, 0 to 1 percent of a curing accelerator, 0.4 to 2.0 percent of a silane coupling agent, 2 to 7 percent of nano carbon black, 2 to 7 percent of carbon fiber, 40 to 60 percent of flaky silver powder, 4 to 8 percent of spherical silver powder, 4.4 to 13.6 percent of a surface treating agent, 4 to 6 percent of a reactive diluent, 0.5 to 1.5 percent of a toughening agent, 0.5 to 1.5 percent of a dispersing agent, 0.1 to 0.5 percent of a lubricating agent and the balance of a non-reactive diluent. Graphene oxide is utilized to modify epoxy resin, the dispersion stability of the filler is improved, modified carbon black is adopted as a short-range conductive additive, carbon fibers are adopted as a long-range conductive additive, the modified carbon black and the carbon fibers synergistically improve the conductivity, and the reinforcing effect is achieved. The packaging bonding material disclosed by the invention has the characteristics of low volume resistivity, high tensile strength and bending strength, high bonding stability and the like, and has wide application prospects in the fields of automotive electronics, wind power photovoltaics, LEDs (Light Emitting Diode), LCDs (Liquid Crystal Display) and the like.

The invention relates to a low-temperature-resistant epoxy resin adhesive and a preparation method thereof, and belongs to the technical field of high polymer materials. The modified epoxy resin adhesive comprises the following components in parts by weight: 90-120 parts of epoxy resin, 8-24 parts of a curing agent, 1-3 parts of a diluent, 0.5-5 parts of a curing accelerator, 4-18 parts of graphite, 1-4 parts of a hyperbranched polymerization flexibilizer and 10-30 parts of conductive filler, polyimide in the hyperbranched polymerization flexibilizer is difficult to crystallize, has no interchain winding, and cooperates with a flexible Si-O-Si chain segment with high bond energy and large bond angle to enhance low-temperature tensile strength and toughness, and chloroprene rubber effectively improves impact resistance and bending resistance; according to the low-temperature-resistant epoxy resin adhesive disclosed by the invention, a conductive network is constructed by indium tin oxide, good conductivity and chemical corrosion resistance are given to a matrix, a polyaniline layer is used for modifying a structural body and enhancing interface adhesion, and the prepared low-temperature-resistant epoxy resin adhesive not only has good low-temperature-resistant toughening and conductive effects, but also has excellent corrosion-resistant and flame-retardant effects.

The invention belongs to the technical field of conductive microsphere preparation, and particularly relates to a surface-roughened nickel-plated conductive microsphere and a preparation method and application thereof. The preparation method comprises the following steps: carrying out pretreatment to enable the surfaces of the polymer microspheres to contain nickel ions, reducing the nickel ions into nickel nanoparticles, activating the microspheres and carrying out chemical plating. According to the invention, the specific surface area of the conductive microspheres is increased by reducing the nickel nanoparticles on the surfaces of the microspheres, a large amount of impurities cannot be generated among the microspheres, and adhesion among the microspheres can be effectively prevented. According to the prepared conductive microspheres, the plating layer and the polystyrene microspheres are firmly combined, and the risk that the conductivity is reduced due to the fact that the surface of the plating layer falls off is reduced. The preparation method is safe, environment-friendly, simple, convenient and suitable for industrial production requirements.

An object of the present invention is to provide a pressure-sensitive adhesive composition capable of firmly bonding members when no voltage is applied and forming a pressure-sensitive adhesive layer whose adhesive force is sufficiently reduced when a voltage is applied, a pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer formed of the pressure-sensitive adhesive composition, and a bonded body. The present invention relates to a pressure-sensitive adhesive composition containing a polymer, an ionic liquid, and a tackifier having a hydroxyl value of 150 mgKOH / g or less, a pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer formed of the pressure-sensitive adhesive composition, and a bonded body.

The application provides a kind of fast curing acrylic glue and application, the fast curing acrylic glue is prepared from the following components according to weight parts: butyl nitrile rubber of terminal methacrylate is 13-17 parts;Polyurethane acrylate is 5-8 parts;Monofunctional acrylate monomer is 14-20 parts;Two functionality acrylate monomer is 7-13 parts;Three functionality acrylate monomer is 1-3 parts;Peroxide is 0.5-1.5 parts;Polymerization inhibitor is 0.01-0.04 parts;Coupling agent is 0.5-0.7 parts.The acrylic glue provided by the application has the advantages of fast curing, low volume resistivity after adding silver powder curing, good bonding strength, moderate elastic modulus, and can be used for photovoltaic tile conductive silver glue.

The invention relates to the technical field of adhesives, and particularly discloses an electrogenerated viscosity-reducing adhesive as well as a preparation method and application thereof. The electrogenerated viscosity-reducing glue is prepared from the following raw materials in parts by weight: 100 to 150 parts of polyacrylate, 30 to 50 parts of polyvinyl alcohol, 20 to 40 parts of functional monomer, 1 to 5 parts of conductive agent, 2 to 6 parts of alkenyl-containing ionic liquid, 1 to 5 parts of lithium salt, 1 to 5 parts of tackifier, 1 to 2 parts of dispersant, 0.1 to 2 parts of initiator and 60 to 100 parts of organic solvent, and the conductive agent is obtained by synergistically modifying hydroxylated carbon nanotubes with 2-thiophenecarboxylic acid and 2-picolinic acid. The electrogenerated viscosity-reducing adhesive is applied to the electrogenerated viscosity-reducing adhesive tape, and the obtained adhesive tape is excellent in peel strength and shear strength, high in power-on viscosity-reducing efficiency, free of adhesive residue during peeling, reusable and wide in application prospect.

The invention discloses a power-on viscosity-reducing adhesive tape and a preparation method and application thereof, and belongs to the technical field of processing of UV adhesive tapes for batteries, the preparation method comprises the following steps: mixing and stirring an acrylate pressure-sensitive adhesive, a UV prepolymer, composite conductive hydrogel, a curing agent, a photoinitiator, a solvent and a leveling agent to obtain conductive glue; and coating the conductive glue on the upper and lower surfaces of the aluminum foil substrate, drying at 80-100 DEG C for 5-6 minutes to obtain a conductive adhesive layer, and adhering release films on the upper and lower surfaces of the conductive adhesive layer to obtain the electrified viscosity-reducing adhesive tape. The synthesized porous carbon has high porosity, and promotes the manganese-doped nano zinc sulfide to emit light to initiate polymerization, crosslinking and curing of the conductive adhesive layer, so that the conductive adhesive layer loses viscosity; nano-silver particles are formed on the surface of the zinc oxide whisker loaded with the porous carbon, so that the pore structure of the porous carbon is refined, and the heat dissipation performance of the electrified viscosity-reducing adhesive tape is improved.

The invention discloses application of conductive hydrogel combined with electrical stimulation in treatment of diabetic foot ulcer caused by neuropathy, and belongs to the field of biological medicine. The conductive hydrogel is obtained by mixing chitosan, polyvinyl alcohol, MXene and gelatin; the chitosan is catechol group modified chitosan, the MXene is polyphenol and Mg ion modified MXene, the gelatin is phenylboronic acid modified gelatin, the electrical stimulation condition is 100 mV cm <-1 >, and the diabetic foot ulcer comprises diabetic foot ulcer caused by neuropathy. Experiments prove that the prepared conductive hydrogel can promote cell migration in combination with electrical stimulation, wound healing of the diabetic foot ulcer can be accelerated, functional repair can be achieved, and a new thought is provided for clinical treatment of the diabetic foot ulcer caused by neuropathy.

The invention relates to the technical field of secondary ion batteries, in particular to a dry binder and a preparation method thereof as well as an electrode plate and a preparation method thereof. The preparation method of the dry binder comprises the following steps: mixing and granulating a graft polymer and a metal salt to obtain the dry binder, the graft polymer comprises maleic anhydride grafted polypropylene. Maleic anhydride grafted polypropylene is used as a polymer matrix and is blended with the metal salt to prepare the solvent-free dry-method binder through a mixing process, and the solvent-free dry-method binder has excellent binding strength and lithium ion conductivity, and is high in use safety and low in raw material cost.

The invention discloses a kind of energized anti-viscosity tape and its preparation method and application, belonging to the technical field of UV tape processing for battery, and the preparation method comprises the following steps: acrylate pressure-sensitive adhesive, UV prepolymer, composite conductive hydrogel, curing agent, photoinitiator, solvent, leveling agent are mixed, stirred, and conductive glue is obtained; the conductive glue is coated on the upper and lower surfaces of aluminum foil substrate, dried at 80-100°C for 5-6min, and conductive adhesive layer is obtained, and release film is attached to the upper and lower surfaces of conductive adhesive layer to obtain energized anti-viscosity tape. The synthesized porous carbon has high porosity, which promotes manganese-doped nano zinc sulfide to emit light to initiate polymerization, cross-linking and curing of conductive adhesive layer, so that conductive adhesive layer loses viscosity; nano silver particles are formed on the surface of zinc oxide whisker loaded with porous carbon, the pore structure of porous carbon is refined, and the heat dissipation performance of energized anti-viscosity tape is improved.

The invention provides a conductive adhesive and a preparation method thereof, a negative plate and a battery, and belongs to the technical field of batteries, the structural formula of the conductive adhesive is as shown in formula (1), and m: n = (1-4): 1. The conductive adhesive provided by the embodiment of the invention can give consideration to good adhesive performance and conductive performance, and by applying the conductive adhesive to the battery, electrochemical reaction power of the battery can be improved and the cruising ability of the battery can be ensured on the basis of not increasing the content of the conductive agent and not influencing the capacity of the battery.

The invention relates to the technical field of functional composite probe material preparation, in particular to a three-core spinning technology-based bio-compatible gel probe and a preparation method thereof, and the three-core spinning technology-based bio-compatible gel probe comprises a composite skin layer and three functional core layers; the composite skin layer is composed of a sodium alginate-polydopamine-chitosan grafted copolymer in a mass ratio of 2: 1: 0.5, and contains # imgabs 0 # chondroitin sulfate and # imgabs 1 # polyoxyethylene; the three core layers are respectively a carbon nanotube-polyaniline # imgabs2 # hybrid material, a graphene-polypyrrole-boron nitride hybrid material and a # imgabs3 # polythiophene-hydroxyapatite hybrid material, and the mass ratio of the carbon material to the conductive polymer to the newly added nano material in each core layer is 1: 2: 0.3; and the diameter ratio of the skin layer to the three core layers is 1: 0.28: 0.22: 0.17. According to the invention, multichannel signal transmission is realized, the impedance is reduced by the hybrid material, and the conductivity is improved; the composite skin layer is matched with soft tissue mechanical properties, and interface bonding is stable; and the biocompatible component reduces inflammation, is suitable for acquiring nerve electrophysiological signals, and is easy for large-scale production.