192results about How to "Stretchable" patented technology

The invention discloses an organic-inorganic composite solid electrolyte. The solid electrolyte is characterized by being prepared from an acrylate material, lithium salt, a crosslinking agent, an initiator, a plasticizer, a fast ionic conductor and a porous rigid support material. The preparation method of the inorganic composite solid electrolyte is characterized by comprising steps as follows:mixing the acrylate material with the lithium salt to completely dissolve the lithium salt in acrylate; adding the crosslinking agent and the plasticizer to the mixed solution, and stirring the mixture evenly; adding the fast ionic conductor to the mixed solution, and performing ultrasonic treatment or stirring to disperse the conductor uniformly; adding the initiator to the mixed solution, and performing stirring uniformly; uniformly pouring the mixed solution on the porous rigid support material; performing heating initiation at 60-100 DEG C to enable the acrylate material to be copolymerized with the crosslinking agent to obtain the organic-inorganic composite solid electrolyte. The solid electrolyte has the advantages that the preparation method is simple, the production efficiency ishigh, and the assembled solid lithium battery has lower impedance and higher capacity.

The invention discloses a method for designing a novel mesh antenna structure with a shaped pattern. The method comprises the steps of conducting shape design on a reflective surface of an antenna cable net firstly; then designing the cable net structures of an upper layer and a lower layer according to the shaped meshed reflective surface, so that an overall three-layer cable net structure is obtained; conducting pretension balancing design on the three-layer cable net structure so as to guarantee the tensile property and realizability of the structure; designing a three-layer truss structure supporting the three-layer cable net finally, so that a cable net-truss overall antenna structure is obtained. By extending a two-layer cable net structure of a peripheral truss type extendable mesh antenna into the three-layer cable net structure, the mesh antenna structure with the shaped reflective surface is obtained, and the design process is simple; the designed shaped mesh antenna structure is tensile, easy to realize and high in engineering application value.

The invention relates to a flexible strain transducer based on carbon nanofiber yarn woven fabric and a preparation method thereof. The preparation method includes the following steps: uniformly spreading a polymer solution or a liquid polymer, and drying the polymer solution or the liquid polymer to prepare base film; connecting the carbon nanofiber yarn woven fabric with extraction electrodes, infiltrating the carbon nanofiber yarn woven fabric into the polymer solution or the liquid polymer, placing the carbon nanofiber yarn woven fabric on the base film, and performing drying treatment; applying the polymer solution or the liquid polymer to the surface of the carbon nanofiber yarn fabric once, and preparing the flexible strain transducer based on the carbon nanofiber yarn woven fabricthrough drying. Final products include the carbon nanofiber yarn woven fabric, two extraction electrodes communicating with the carbon nanofiber yarn woven fabric, and polymer film covering the upperand lower surface of the carbon nanofiber yarn woven fabric. A sensitivity coefficient of is 30-200 when cyclic stretch is performed at elongation ranging from 0 to 5-12%; and a linear correlation coefficient is more than or equal to 0.995 when the elongation is 9% or below when stretch is performed. The preparation method is simple in a process, and low in cost.

The invention discloses a composite film for a milk powder package, and the composite film comprises a polyester layer, an aluminium layer, and a polyethylene layer. The polyethylene layer comprises a composite layer, an intermediate layer and a heat-sealing layer in order, wherein the composite layer comprises 30-40wt% of low density polyethylene and 60-70wt% of metallocene polyethylene; the intermediate layer comprises 30-35wt% of low density polyethylene, 30-35wt% of metallocene polyethylene, and 30-35wt% of high density polyethylene; the heat-sealing layer comprises 32-35wt% of low density polyethylene, 63-66wt% of metallocene polyethylene, and 1.3-2.0wt% of an anti-blocking agent. The film has the PET/AL/PE three-layer structure, compared with the conventional four-layer structure, the cost is obviously reduced; at the same time, the composite film also has the advantages of excellent sealing performance, pressure resistance, and falling resistance, and the composite film is especially suitable for the milk powder package.

The invention belongs to the technical field of aluminum air batteries, and particularly discloses an all-solid-state flexible and stretchable fibrous aluminum air battery and a preparation method thereof. According to the method, a hydrogel electrolyte is firstly prepared by a cyclic freezing method; the electrolyte coats an aluminum spring at a negative electrode and is crosslinked into a solid state; and staggered oriented carbon nanotube films evaporated with silver nanoparticles coat the outmost layer to obtain the fibrous aluminum air battery. The special air electrode structure does not need a metal current collector or a binder. Due to the structural design, the fibrous aluminum air battery has excellent electrochemical properties; the specific capacity can reach 935mAh/g; and the energy density can reach 1168Wh/kg. The battery also has flexibility and stretchability. The electrolyte is in the solid state, so that the risks of a short circuit and an electrolyte leakage in the bending and stretching process can be effectively prevented; the battery is easy to weave and integrate; and the battery can be woven into energy storage fabrics to provide energy for a wearable electronic device, and large-scale application is excepted to be achieved.

The invention, which belongs to the sounding apparatus technology field, relates to a flexible and transparent thermotropic sounding apparatus. The apparatus comprises a sound element and a signal input device connected with the sound element. The sound element includes a flexible and transparent substrate; and at least one conductive film structure and a pair of electrodes or multi-pair electrodes are arranged on the substrate, wherein one ends of the pair of electrodes or the multi-pair electrodes are connected at two sides of the conductive film structure. And an input terminal of the signal input device is connected with the other ends of the electrodes. Therefore, the conductive film structure changes density of surrounding mediums to emit sound waves. According to the invention, there is no mechanical oscillation on the sound element itself and the sound element is transparent and can be bent and stretched. The thermotropic sounding apparatus can generate high sound pressure output within a frequency range of from 101 kHz to 100 MHz as well as has advantages of high reliability, flexibility, transparency, low cost, and high performance; besides, the apparatus can be integrated with a display screen and simultaneously enables sounding and display functions to be realized. Therefore, the provided apparatus can be widely applied to electronic fields like a mobile phone, a MP3, a MP4, a television, a computer, ultrasonic imaging, and a range finding system and the like.

The invention relates to a craniocerebral model and a preparation method and application thereof. The model comprises an upper skull and a lower skull, wherein the upper skull and the lower skull aredetachably connected in a closed manner and form a skull cavity inside, the skull cavity is internally provided with a cortical brain tissue with a surface having a gully structure, and blood vesselsand nerves are distributed in the cortical brain tissue which is made of a silica gel elastomer. The skull model provided by the invention has the skulls, cortical brain tissue, blood vessels and nerve parts similar to a real brain structure, can simulate the physical structure and touch of the real brain, can vividly and intuitively reproduce the anatomical structure of the brain, and can be widely used in medical teaching of a craniocerebral structure, clinical craniocerebral operation simulation, operation training and operation practice.

The invention relates to a preparation method for a three-dimensional aminated carbon nonotube array/stretchable textile fiber electrode material. The preparation method comprises the following steps of placing textile fiber subjected to pre-treatment in a composite agent containing a dispersing agent and an aminated carbon nanotube in a room temperature, carrying out immersion and drying to obtain a conductive and stretchable textile substrate; placing the aminated carbon nanotube in an electricity processing liquid to obtain aminated carbon nanotube subjected to electricity processing; and uniformly coating the conductive and stretchable textile substrate with a graphene conductive adhesive, implanting the aminated carbon nanotube subjected to electricity processing into the surface of the substrate through single-surface static electricity to obtain the three-dimensional conductive electrode material, carrying out pre-baking and baking, and absorbing the aminated carbon nanotube floated on the surface to obtain the three-dimensional aminated carbon nanotube array/stretchable textile fiber electrode material. The method disclosed by the invention is simple in process, the cost can be substantially reduced, and meanwhile, mass production of a high-capacitance electrode is achieved.

The invention relates to the field of plastic particle screening, and discloses plastic separation equipment. The equipment comprises a shell, the top of the shell is provided with a material inlet, the bottom of the shell is provided with a material outlet, and the shell is provided with a regulation and control unit capable of adjusting the opening size of the material inlet according to the discharge quantity of the material outlet; an inner wall of the shell is provided with a circumferential groove into which a first screen and a second screen are rotationally connected, the meshes of thefirst screen and the meshes of the second screen are mutually staggered in positions, the bottom of the first screen is provided with a first pushing part which matches with the meshes of the secondscreen, and the top of the second screen is provided with a second pushing part which matches with the meshes of the first screen; the bottom of the second screen is connected with a connecting shaft,and one end, which is far away from the second screen, of the connecting shaft is connected with a driving device. According to the scheme, the feeding quantity of the material inlet can be adjustedaccording to the discharging condition of plastic particles so as to prevent the phenomenon that the screens are easy to damage as excessive load bearing appears, the meshes can be prevented from being blocked, and the screening efficiency of the plastic particles is further improved.

The invention belongs to the field of epidermal electronics, and discloses a large-area grid type epidermal electronic system for closed-loop man-machine interaction. The large-area grid type epidermal electronic system comprises epidermal myoelectricity electrode arrays, a joint rotation angle sensor array, an electric touch sensation sensor array, connecting structures and a circuit compensation structure, wherein the epidermal myoelectricity electrode arrays are used for collecting myoelectricity signals of the internal muscles and the external muscles of all fingers and the muscles of a wrist; the joint rotation angle sensor array is used for collecting the rotation angles of finger joints and the wrist; the electric touch sensation sensor array is used for stimulating fingertips through an electric current and a voltage; the circuit compensation structure is used for eliminating excess myoelectricity signals introduced by each epidermal myoelectricity electrode connecting structure, so that the accuracy of obtained signals of man-machine interaction equipment is guaranteed. Each sensor of the system is very light, thin and small, has stretchability and conforms with the mechanical property of skin, and at the same time, the problem that heat dissipation and perspiration can not normally proceed due to large-area covering is solved.

The invention discloses a method for manufacturing a PDMS flexible super-hydrophobic film. A duplication template composed of double-layer rubber and provided with an undercut structure is prepared byusing the MEMS technology, and a super-hydrophobic structure is formed on the surface of a flexible material such as PDMS or the like on the basis of the template by using a flexible replication process so as to prepare the PDMS flexible super-hydrophobic film. The method disclosed by the invention is simple to operate, low in manufacturing cost and high in efficiency, and no harsh equipment is needed, thereby being conducive to realizing low-cost mass production.

The invention discloses an optical medical device which comprises a light source part and a power supply part, the light source part is electrically connected with the power supply part; the light source part comprises base cloth, a connecting layer, a light source layer and a covering layer, the connecting layer is laminated on the base cloth, the light source layer is laminated on the connectinglayer, the covering layer is of a light-transmitting structure, is laminated on the light source layer and covers the light source layer and the connecting layer, and the power supply part is used for lightening the light source layer. The light source layer has the characteristics of good light-emitting uniformity, lightness, thinness, bendability, flexibility, stretchability and the like and can be completely attached to a to-be-phototreated part of a patient so that the problems that an existing optical medical device is inconvenient to wear and damages normal tissues can be well solved, the design is more user-friendly, and the comfort and safety of user experience are guaranteed.

The invention provides a recording electrode with an S-shaped metal shielding structure and a preparation technology. The recording electrode is provided with an S-shaped metal shielding layer, and the S-shaped metal shielding layer is located between an electromagnetic interference source and a metal electrode layer and used for attenuating electromagnetic interference. The recording electrode further comprises an S-shaped polymer substrate layer, an S-shaped polymer intermediate insulating layer, an S-shaped metal electrode layer and an S-shaped polymer packaging layer, each structural layer adopts an S-shaped bending structure, and the integrated flexible photoelectric electrode has stretchability, can collect neutral signals normally in a certain deformation range and meets the actual application demands. The invention further provides a preparation technology of the recording electrode with the S-shaped metal shielding structure. The prepared recording electrode not only can effectively reduce influence of the electromagnetic interference on neural signal collection quality, but also can deform with electrode structure stretching and can be applied to animal tissue with deformation.

The invention discloses a hexagonal trampoline, which comprises a framework and jumping fabric, wherein the framework comprises a hexagonal bottom frame, a top frame, connecting rods and leg rods, the connecting rods are connected between the top frame and the bottom frame, the leg rods are arranged under the bottom frame and are used for supporting the bottom frame, the jumping fabric is arranged in the sealed area of the bottom frame, the periphery of the outer edge of the jumping fabric is connected with the bottom frame through an elasticated net, and enclosure nets are respectively arranged between the outer edge of the elasticated net and the top frame or between the bottom frame and the top frame. The trampoline has the advantages that a traditional spring which is used as the bounce source of the jumping fabric is saved, the elasticated net is used for providing the bounce for the jumping fabric, protection cushions are saved, the safety performance is improved, and meanwhile, the available space is increased.

The invention discloses a waste gas re-cooling system. According to the system, a waste gas re-cooler is additionally arranged in the original cooling system of an engine, so that a part of waste gasdischarged by the engine is cooled and then mixed with fresh air to enter the engine to reduce the temperature of the gas entering the engine to participate in combustion, the cooling system realizesheat exchange between cold air and hot air through air cooling so as to achieve the purpose of reducing the air inlet temperature of an air inlet manifold, the system can reduce the heat of a water cooling EGR cooler scattering into the water cooling system, the system is easy to arrange in a whole vehicle due to the fact that only the cooler is added and a large amount of space is not occupied, the cooling problem of high air inlet temperature of a gas engine and other high-detonation-pressure engines can be solved, and a high-horsepower diesel EGR route engine can also solve the cooling problem by referring to the system.

The invention discloses a manufacturing method and equipment of a disposable anti-galactorrhea bra. The method is characterized in that an inner layer non-woven fabric, a rubber band and an outer layer non-woven fabric are sequentially subjected to material compounding, cutting shaping, pocket compounding, folding turning, side edge sealing pressing and cutting shaping for finally forming the disposable anti-galactorrhea bra. In the material conveying direction, the equipment comprises a material unreeling mechanism, a composite roller group, a cutter shaping device, a cutter compounding device, a folding mechanism, a turning mechanism, a sealing pressing device and a cutting transferring device in sequential connection; a pocket opening non-woven unreeling roller is arranged at one side of the cutter compounding device; an inner layer non-woven unreeling roller, a rubber band unreeling roller and an outer layer non-woven fabric unreeling roller are arranged in the material unreeling mechanism. The method and the equipment can adapt to the high-speed operation of sanitary product production and package equipment; the production efficiency is high; the manufacturing cost is low; theprepared disposable anti-galactorrhea bra has stretching performance; the disposable anti-galactorrhea bra can be tightly attached to the breasts of the human body; phenomena of wearing looseness, rolling and the like can be avoided.

The invention discloses light and antibacterial resin-clay composition comprising components as follows: carboxymethyl chitosan, a colorant, Kathon, an ethylene-vinyl acetate copolymer, dimethyl polysiloxane, Arabic gum, sodium tripolyphosphate, polyethylene oxide, a wetting agent, water and inorganic filler. The finished product has certain extensibility due to addition of the polyethylene oxide with the specific molecular weight, the product has the bright color due to addition of the sodium tripolyphosphate, and the product can have the expected viscosity effect and the long storage effect under the synergistic effect of the introduced ethylene-vinyl acetate copolymer and polyethylene oxide. The resin-clay composition is high in disinfection and antibacterial efficiency, good in stability and high in temperature difference adaptability, and the product is non-toxic, odorless and high in safety performance.

The invention relates to an EGR cooler of an integrated water-removing device. In the EGR cooler of the integrated water-removing device, a gas inlet pipe communicates with a gas outlet pipe through adevice body; the side part of the device body communicates with a liquid inlet pipe and a liquid outlet pipe; the gas inlet pipe communicates with the left end part of the device body through a hollow cavity; a water-collecting funnel with an upper wide part and a lower narrow part is arranged on the part, near the gas inlet pipe, at the bottom of the device body; the top end of the water-collecting funnel communicates with the bottom of the hollow cavity; the bottom end of the water-collecting funnel communicates with the left top port of a U-shaped pipe; the right top port of the U-shaped pipe communicates with the right bottom port of a water outlet part; and the left top port and the right top port are positioned at the highest point of the U-shaped pipe. According to the design, thewater discharge effect is better, the automaticity is higher, the expansivity is higher and the safety is higher.

The invention discloses a terahertz wave-absorbing material with a gradient pore size structure, and belongs to the technical field of terahertz wave absorption. The wave-absorbing material comprisesthree layers of three-dimensional graphene/PDMS composite materials, wherein the pore size range of the three-dimensional graphene on the uppermost layer is 100-120 [mu]m, the pore size range of the three-dimensional graphene in the middle is 50-70 [mu]m, and the pore size range of the three-dimensional graphene on the lowermost layer is 20-40 [mu]m. The terahertz wave-absorbing material disclosedby the invention has an extremely strong broadband terahertz wave absorption characteristic, and the average absorption rate in an ultra-wideband frequency spectrum range of 0.2-1.2 THz is as high as93% or above; the terahertz wave-absorbing material has ultrathin thickness, and the thickness of each layer is controlled within 1mm, so that the total thickness of the terahertz wave-absorbing material is within 3 mm, which is far superior to that of existing terahertz wave-absorbing foam materials; the terahertz wave-absorbing material has extremely good flexible characteristics such as bendability, stretchability and mechanical elasticity; raw materials are cheap, the preparation method is simple, and large-area preparation can be realized.

The invention belongs to the field of micro-nano manufacturing and new energy, and discloses a flexible electrode, a capacitor and a preparation method, in the flexible electrode, an electrochemical functional material is distributed on a PU-CNT conductive film substrate, wherein the PU-CNT conductive thin film substrate comprises a PU thin film substrate and a CNT conductive network, the PU thinfilm substrate is of a net structure, carbon nanotubes are distributed on the fiber surface of the PU thin film substrate, and the carbon nanotubes distributed on the PU thin film substrate form the CNT conductive network. In the capacitor, flexible electrodes are bonded to the two surfaces of a gel electrolyte interlayer, the flexible electrodes and the gel electrolyte interlayer form a sandwichsuper capacitor structure, flexible packaging protection layers are attached to the two surfaces of the sandwich super capacitor structure, and the flexible electrodes on the two sides of the gel electrolyte interlayer are connected with electrode outgoing lines. The flexible electrode provided by the invention has excellent ductility, and the flexibility of the capacitor can be improved, so thatthe flexible wearable device has excellent flexibility.

The invention provides a self-repairing solid electrolyte, a preparation method and application thereof. The preparation method comprises the following specific steps: S1, mixing a dissociated lithium salt compound with a solvent, and carrying out ultrasonic treatment to obtain a dissociation solution; S2, adding a self-repairing polymer, a cross-linking agent and a lithium salt into the dissociation liquid, uniformly mixing, and heating for reaction to obtain a self-repairing precursor solution; and S3, putting the self-repairing precursor solution into a polytetrafluoroethylene plate for film preparation, and performing vacuum drying to obtain the self-repairing solid electrolyte. The preparation process of the self-repairing solid electrolyte is simple, the cost is low and easy to obtain, the process is green and environment-friendly, and the prepared self-repairing solid electrolyte has stable self-repairing performance and excellent electrochemical performance.