16results about How to "Reduce surface resistance" patented technology

This invention provides an antistatic and privacy-protecting polarizing film and its preparation process, belonging to the field of polarizing film preparation technology. The preparation process includes the following steps: preparation of an antistatic agent; preparation of a modified adhesive; preparation of a composite polarizing film; and preparation of the polarizing film. This invention introduces an antistatic agent and POSS-modified graphene oxide into the modified adhesive, making the adhesive layer a conductive medium connecting multiple layers such as the polarizing film (PVA), TAC layer, and privacy film, forming a cross-layer conductive path. This avoids static electricity accumulation at the interface, improving the antistatic effect. Boric acid is first used to crosslink the PVA film, followed by glyoxal crosslinking, achieving long-term reliability of the polarizing film under high temperature and high humidity environments.

The application discloses a kind of transparent conductive heating material and preparation method thereof, belong to conductive heating material technical field, can solve the problems of high surface resistance, low light transmittance, poor temperature uniformity and short service life of existing conductive heating material.The preparation method comprises the following steps: S1, pretreatment is carried out to the substrate to obtain the treated substrate;S2, depositing buffer target material on the treated substrate to form a stress buffer layer;S3, depositing conductive heating target material on the stress buffer layer to form a conductive heating layer; the conductive heating target material is zirconium-doped indium oxide;S4, preparing an electrode layer on the conductive heating layer.The application is used for the preparation of transparent semiconductor heating material.

The present invention pertains to a negative electrode for a lithium secondary battery, a method for manufacturing same, and a lithium secondary battery including same. More specifically, the negative electrode for a lithium secondary battery according to the present invention has a protective layer containing a three-dimensional structure composed of metal and lithium nitride, and thus uniform ionic conductivity and electrical conductivity can be induced on the surface of the negative electrode.

The utility model provides a light quick-drying garment material, and relates to the technical field of garment materials. Through the multi-layer structural design of the skin-friendly layer, the antibacterial layer, the water guide layer, the protective layer and the anti-static layer which are sequentially compounded from inside to outside, perfect combination of multiple functions is achieved, and the fabric has the remarkable beneficial effects that specifically, the skin-friendly layer is formed by blending cotton fibers and modal fibers, the surface is mercerized through alkali liquor, and the anti-static effect is good; the fabric is softer and more comfortable and has no irritation when being worn next to the skin; the antibacterial layer is formed by interweaving viscose fibers carrying silver ions and bamboo charcoal fibers, the growth of bacteria is effectively inhibited through the synergistic effect of the silver ions and the bamboo charcoal fibers, clothes are kept clean, and the health of a wearer is protected; the water guide layer adopts the double-rib weave woven by the special-shaped section polyester fibers and the spandex fibers, and the section of the fibers is Y-shaped, so that the water guide performance of the fabric is enhanced, sweat can be quickly diffused and evaporated, and clothes are kept dry and comfortable.

This invention discloses a solid electrolyte composite material and a lithium battery. The solid electrolyte composite material includes a lithium-containing solid electrolyte material, a stabilizer, and an active additive; the lithium-containing solid electrolyte material is one or more of a sulfide solid electrolyte material, a halide electrolyte material, and a NASICON phase oxide electrolyte material; the stabilizer is a polymer; and the active additive is a non-metallic halide. When applied to a lithium-ion battery, this solid electrolyte composite material forms a highly stable protective film with low electronic conductivity and high ionic conductivity on the surface of the electrode material, thereby protecting the negative electrode material and improving the charge-discharge cycle performance and safety performance of the lithium metal battery.

The present application is suitable for the technical field of textile manufacturing, and provides a garment anti-static treatment method, comprising the following steps: water washing: placing the garment in a drum washing machine, adding a water washing working solution, setting the temperature to 40-50 DEG C, the rotating speed to 15-20 r / min, the bath ratio to 1:30, and the water washing time to 20-30 min; dehydration; drying, the temperature being 50-90 DEG C; garment absorbing finishing liquid; drying, the temperature being 60-90 DEG C; baking: the temperature being 140-170 DEG C, and the time being 1-3 min; cooling; the present application is helpful for the subsequent anti-static finishing liquid to fully penetrate into the garment material by first water washing and adding a penetrating agent, and then using an anti-static finishing liquid containing a block copolymer of polyethylene oxide and polyethylene terephthalate to finish, introducing an anti-static group and cross-linking reaction with the fiber to form a reticular cross-linked polymer, reducing the friction coefficient of the fabric, reducing the fiber surface resistance, accelerating the dissipation of static electricity, so as to achieve the effect of reducing static electricity.

The present disclosure relates to a composite diaphragm for hydrogen production by alkaline electrolysis of water, a preparation method and application thereof, the composite diaphragm comprising a porous support net and a porous polymer coating layer covering the main surface and at least part of the net holes of the porous support net; the maximum pore diameter of the pores in the cross section along the thickness direction of the composite diaphragm is not more than 1 μm. The composite diaphragm of the present disclosure has a sponge-like pore structure, low surface resistance, good ion permeability and excellent mechanical properties.

This invention provides an antistatic fabric based on modified acrylic fiber and its preparation process, belonging to the field of textile fabric technology. The process includes the following steps: first, preparing modified acrylic fiber and organosilicon quaternary ammonium salt modified CNW; then, mixing and stirring the modified acrylic fiber, DMF, and organosilicon quaternary ammonium salt modified CNW to obtain a spinning solution; mixing anhydrous ethanol and organosilicon quaternary ammonium salt modified CNW, and ultrasonically treating to obtain a dispersion; in a conjugate electrospinning device, feeding the spinning solution and dispersion into two sets of needles respectively, and electrospinning the spinning solution to form nanofibers under the action of a high-voltage electric field; feeding cotton yarn into the electric field region, causing the nanofibers to spirally wind around the surface of the cotton yarn and form a coating shell; and electrostatically spraying the dispersion to deposit the organosilicon quaternary ammonium salt modified CNW onto the surface of the coating shell; collecting and winding to obtain a fiber core-spun yarn, and weaving the fiber core-spun yarn to obtain the antistatic fabric. This invention can improve the antistatic performance of the fabric while also possessing certain antibacterial properties.

The application discloses a kind of hydroxyl aluminum oxide-based alkaline electrolytic water composite diaphragm and preparation method thereof, belong to alkaline electrolytic water hydrogen production diaphragm technical field.The composite diaphragm includes polysulfone resin matrix and the hydroxyl aluminum oxide filler dispersed therein, the mass of hydroxyl aluminum oxide is not more than 80% of the mass of polysulfone resin;Its preparation method includes: polysulfone resin is mixed with pore former in organic solvent to form polymer solution, after adding hydroxyl aluminum oxide powder and uniformly dispersing, defoaming to obtain casting solution, by blade casting, phase inversion, washing, drying to obtain composite diaphragm;The application replaces traditional ZrO2 filler with hydroxyl aluminum oxide, raw material cost is greatly reduced, and at the same time, the characteristics of the surface of hydroxyl aluminum oxide are rich in hydroxyl, which endows the diaphragm with excellent intrinsic hydrophilicity, and the hydrophilic network constructed effectively reduces the surface resistance, solving the technical problems of high cost of ZrO2-based composite diaphragm in the prior art and the long-term deficiency of traditional hydrophilic modification.

The invention relates to a modified iron-nickel magnetic powder core and a preparation method and application thereof, and the preparation method comprises the following steps: putting an iron-nickel magnetic powder core subjected to insulation coating and annealing treatment into an acid solution, standing, enabling the surface of the iron-nickel magnetic powder core to react with the acid solution to generate a salt mixture coating layer, and obtaining the modified iron-nickel magnetic powder core. A pickling method is adopted, the iron-nickel magnetic powder core subjected to insulation coating and annealing treatment is subjected to surface treatment, an acid solution reacts with metal elements on the surface of the iron-nickel magnetic powder core to generate a salt mixture coating layer containing iron and nickel, and the coating layer plays an insulation role; therefore, the resistance of the iron-nickel magnetic powder core can be improved, the loss can be reduced, the performance of the modified iron-nickel magnetic powder core can be obviously improved, and the situation that the surface resistance is low, the loss is high and the service life is long due to decomposition of an insulating layer caused by incomplete insulation coating or too high heat treatment temperature, insufficient atmosphere protection and the like of the iron-nickel magnetic powder core is avoided. And normal use cannot be realized.

The invention provides a gradient hole type hole structure composite diaphragm and a preparation method thereof, and belongs to the technical field of composite material preparation. The composite diaphragm has a gradient pore structure, that is, the upper and lower surfaces of the diaphragm are macroporous structures, and are gradually shrunk inwards to form a compact microporous structure. Compared with the prior art, a series of gradient hole diaphragms can be prepared through process improvement, and the product has low surface resistance and shows good gas barrier property, electrochemical performance and stability when applied to an electrolytic bath.

The application discloses a preparation method of a copper-niobium-niobium tri-tin composite superconducting cavity, which comprises the following steps: copper-niobium composite plate manufacturing, using the copper-niobium composite plate to manufacture a half cavity and a beam tube, using the half cavity and the beam tube to manufacture a copper-niobium composite superconducting cavity, pretreatment of the copper-niobium composite superconducting cavity, plating niobium tri-tin film on the superconducting cavity by using a CVD medium-temperature plating method, wherein plating material is Nb and SnCl2, evaporation temperature is 400-500 DEG C, and deposition temperature is 700-750 DEG C, cold chain ring brazing of the superconducting cavity, buffer electrochemical polishing of the niobium tri-tin film superconducting cavity and packaging. The niobium tri-tin film reduces the surface resistance of the composite superconducting cavity, improves the superconducting critical temperature and the critical magnetic field, and realizes the replacement of a liquid helium refrigerator with a low-temperature refrigerator; and the cold chain conduction ring brazing realizes good heat conduction connection between the low-temperature refrigerator and the superconducting cavity.

The application relates to a total station packaging box antistatic hard material and a preparation method thereof, and belongs to the technical field of high polymer materials; the total station packaging box antistatic hard material is prepared by taking ABS resin, an antioxidant, a lubricant, an initiator and a self-prepared permanent antistatic agent as raw materials; the permanent antistatic agent prepared by the application can not only provide good antistatic performance, but also good flame retardance; the permanent antistatic agent of the application has good compatibility with the ABS resin; the permanent antistatic agent of the application will not cause the mechanical performance of the ABS resin group to decrease; and finally, the total station packaging box antistatic hard material prepared has good flame retardance, antistatic performance and impact toughness.

The utility model provides an air conditioner anion generator protective cover and an air conditioner, and relates to the technical field of air conditioning equipment, the air conditioner anion generator protective cover comprises a protective cover body, the interior of the protective cover body is hollow, the bottom of the protective cover body is provided with an opening, and side protective plates on the left side and the right side of the protective cover are provided with openings; a plurality of holes are formed in the protective cover body, and a plurality of recesses and / or bulges are arranged on the surface of the protective cover body. The problem that potential safety hazards are caused due to the fact that a negative-ion generator protection cover easily accumulates an electrostatic field is solved.

The present application relates to a kind of biaxial stretching flow polypropylene composite film and its preparation method, belong to packaging material technical field;The present application is prepared with homopolymerization polypropylene, copolymerization polypropylene, slip agent, nucleating agent, antioxidant, modified nanosilica as raw material a kind of biaxial stretching flow polypropylene composite film of high transparency and with good antistatic property and ultraviolet resistance performance, which can be used in food packaging field, the present application is modified to nanosilica, ultraviolet absorber is grafted on the surface of nanosilica, not only solve the problem of nanosilica easy to agglomerate, also solve the problem of ultraviolet absorber easy to migrate, by quaternary ammonium salt structure conjugation, ultraviolet absorber has better ultraviolet absorption performance and antistatic property.

The present disclosure relates to a method for preparing an electrolytic hydrogen production diaphragm, wherein the method comprises: mixing inorganic oxidized particles, metal hydroxide, binder and pore-forming agent to obtain a mixed slurry; coating the mixed slurry on one side or both sides of a porous base film to obtain a nascent film; soaking the nascent film in an extraction liquid and then performing a drying treatment; wherein the porous base film comprises a metal mesh; the metal hydroxide comprises one or more of nickel hydroxide, nickel oxyhydroxide, zirconium hydroxide, cerium hydroxide and yttrium hydroxide. The method provided by the present disclosure effectively improves the temperature resistance and high-temperature dimensional stability of the electrolytic hydrogen production diaphragm prepared by the method, while effectively improving the affinity of the diaphragm to the electrolyte, reducing the diaphragm resistance. Using the electrolytic hydrogen production diaphragm provided by the present disclosure in an alkaline electrolytic hydrogen production device can realize the operation of the electrolytic hydrogen production device at a temperature above 110 DEG C, and effectively improve the electrolysis efficiency.