42results about How to "Reduce surface resistance" patented technology

The invention belongs to the field of hydrogen production by alkaline electrolyzed water, and particularly relates to a double-functional-group alkaline electrolyzed water composite diaphragm as well as a preparation method and application thereof. The preparation method of the double-functional-group alkaline electrolyzed water composite diaphragm comprises the following steps: S1, mixing nano ceramic particles with a modification liquid, and performing a modification reaction to obtain amino and sulfydryl double-functional-group modified nano ceramic particles, wherein the modification liquid contains an amino silane coupling agent and a sulfydryl silane coupling agent; the polymer supporting layer is placed in sulfonation liquid to be subjected to sulfonation modification reaction, and then a sulfonated polymer supporting layer is obtained; and S3, mixing the bifunctional group modified nano ceramic particles, a polymer, a pore forming agent and a first organic solvent to obtain a membrane casting solution, degassing the membrane casting solution, coating a sulfonated polymer supporting layer with the membrane casting solution to form a membrane, and performing phase inversion in a coagulating bath to obtain the bifunctional group alkaline electrolyzed water composite membrane. The double-functional-group alkaline electrolyzed water composite diaphragm provided by the invention is good in mechanical property, stable in performance, low in surface resistance and good in air tightness.

The invention discloses a flame-retardant antistatic rubber material for a conveying belt and a preparation method of the flame-retardant antistatic rubber material, and relates to the technical field of rubber materials. The rubber material is prepared from the following components: 40-80 parts of chloroprene rubber, 10-40 parts of butadiene rubber, 10-30 parts of high styrene rubber, 20-40 parts of a reinforcing agent, 15-30 parts of an antistatic agent, 10-30 parts of aluminum hydroxide, 10-20 parts of a modified flame retardant, 5-10 parts of polyethylene fibers, 5-10 parts of zinc stearate, 3-6 parts of a coupling agent, 4-8 parts of a vulcanizing agent, 1-3 parts of an accelerant and 1-3 parts of an anti-aging agent. Basic performance is provided through a compounding system of three kinds of rubber, the mechanical performance is improved by adopting an attapulgite-carbon black compounding reinforcing system, and the antistatic and flame-retardant functions are achieved in combination with the antistatic agent and the specially-made modified flame retardant.

The invention relates to the field of water-based UV (ultraviolet) antistatic coatings, in particular to a water-based UV antistatic coating which comprises 40-60 parts of water-based acrylic resin; 5 to 10 parts of tung oil; 5 to 10 parts of rosin resin; a preparation method of the functional film; the method comprises the following steps: 1, preparing a coating, 2, adjusting the state of the coating, and 3, curing to form a film. According to the water-based UV coating, the water-based acrylic resin, the tung oil and the rosin resin are adopted as main constituent materials of the coating, and other additives also adopt low-toxicity and low-irritation environment-friendly materials, so that the prepared water-based UV coating can reduce the VOC emission of the coating and improve the green and environment-friendly properties of the coating, and by adding the antistatic agent and the antistatic monomer into the coating, the anti-static property of the coating is improved. The surface resistance of the coating can be effectively reduced, the antistatic effect of the coating can be kept for a long time, and the coating is ensured to reach an ideal curing state in a short time by adopting a light-heat dual-curing mode when the coating is cured to form a film.

The application belongs to the technical field of functional polymer materials, and particularly relates to an antistatic water-absorbing polypropylene-based material and a preparation method and application thereof. The antistatic water-absorbing polypropylene-based material comprises, in mass fraction, 24-33% of polypropylene (PP), 5-20% of a PP-g-X graft copolymer, and 56-63% of a molecular sieve, wherein the molecular sieve is dispersed in a continuous phase composed of the PP and the PP-g-X; X in the PP-g-X graft copolymer represents a polyethylene glycol derivative graft segment, and a grafting rate is 0.2%-0.7%; and the average particle size of the molecular sieve is 1-10 microns. Compared with the prior art, the polyethylene glycol segment in the application has strong hygroscopicity, can actively absorb and fix trace water vapor in the package, has a similar "self-drying" effect, and reduces the internal equilibrium relative humidity of the package; the physical adsorption cavity provided by the molecular sieve and the chemical water absorption of the PP-g-X produce a synergistic effect, provide an ion conduction path for static charges, and improve the antistatic performance.

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 present invention relates to a pellet for an organic electroluminescent element and an organic electroluminescent element using the same, the pellet for an organic electroluminescent element being obtained by crimping two or more kinds of organic compound powder containing a first organic compound powder and a second organic compound powder, and has the same maximum emission wavelength as the maximum emission wavelength of an organic compound having a longer emission wavelength among the first organic compound and the second organic compound.

The invention relates to a table mat, in particular to a composite antistatic table mat and a preparation method, the composite antistatic table mat comprises an antistatic layer, the raw material of the antistatic layer comprises conductive titanium dioxide, and the composite antistatic table mat is characterized in that the particle size of the conductive titanium dioxide is 150-250 nm; the preparation method comprises the steps of preparation of the antistatic layer, preparation of the bonding layer, coating of the antistatic layer and preparation of the composite antistatic table pad. The anti-static layer of the table mat adopts the conductive titanium dioxide with the particle size of 150-250 nm, so that the wear resistance of the anti-static layer is improved, the surface resistance of the anti-static layer is reduced, and the electric conductivity is lasting and stable.

The invention relates to the technical field of polyvinyl chloride, and discloses a high-strength PVC (polyvinyl chloride) composite board preparation process, which comprises: carrying out blending modification on 20-40 parts by weight of sodium phytate modified wood powder and 5-15 parts by weight of cation modified chlorinated polyethylene, blending with 100 parts by weight of polyvinyl chloride, 3-5 parts by weight of a stabilizer, 0.8-1 part by weight of a foaming agent and the like, extruding a sheet material, and carrying out extrusion molding to obtain the high-strength PVC composite board. The high-strength PVC composite board is obtained. After the surface of the wood flour is modified by sodium phytate, the dispersity of the wood flour in polyvinyl chloride becomes good, and quaternary ammonium salt cations contained in cation modified chlorinated polyethylene can interact with sodium phytate anions on the surface of the wood flour, so that the compatibility of the wood flour and the polyvinyl chloride is further improved; the obtained PVC plate has better tensile strength and impact strength. Meanwhile, the antistatic property, flame-retardant property and the like of the PVC plate are improved.

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 present invention provides a butterfly cable for lightning protection and strong electricity, and relates to the technical field of butterfly cables. The antistatic agent containing thiadiazolyl phenyl borate molybdenum adopts dithiothiadiazole to carry out thiol-ene addition reaction with allyl glycidyl ether and 3-(2-carboxyvinyl) phenyl borate molybdenum complex respectively; the excess thiol is then subjected to thiol-amino addition reaction with dioctadecylamine to obtain the antistatic agent containing thiadiazolyl phenyl borate molybdenum, which contains thiadiazole, boric acid molybdenum, and glycidyl ether functional groups, and thiadiazole is a five-membered ring containing nitrogen and sulfur atoms, and has excellent electrical conductivity; the formation of boric acid molybdenum complex helps to prevent static electricity accumulation, and finally forms an antistatic agent with special lightning protection and static electricity effect; this antistatic agent has potential application value in the fields of electronic equipment, aerospace, and petrochemical industry.

The invention relates to the technical field of high polymer materials, and discloses a fireproof rubber foamed sponge which comprises the following components in percentage by weight: 50%-60% of polyether polyol, 30%-40% of isocyanate, 2%-5% of water, 0.3%-1% of a catalyst, 0.5%-2% of a foam stabilizer, 5%-10% of a flame retardant and 3%-6% of nano silicon dioxide. The invention also discloses a preparation method of the fireproof rubber foamed sponge, which comprises the following steps: S1, mixing the nano silicon dioxide with the silane coupling agent, and treating by an aerosol-assisted assembly technology; s2, dissolving the polyether polyol, the bio-based polyol and water in a proper solvent; by adding materials such as nano silicon dioxide, a silane coupling agent, silver nanoparticles and an antistatic agent and adopting an aerosol-assisted assembly technology and a cold plasma treatment method, the fireproof performance, the mechanical strength, the antibacterial performance and the antistatic performance of the fireproof rubber foamed sponge are remarkably improved; the problems of combustion, strength, bacterium breeding and static electricity of traditional sponges are solved, and meanwhile the preparation time is remarkably shortened.

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 invention relates to an antistatic and anti-wrinkle treating agent for paper printing and a using method thereof, and relates to the technical field of paper printing. The antistatic and anti-wrinkle treating agent for paper printing is prepared from the following raw materials in parts by mass: 5 to 15 parts of polyvinyl alcohol, 10 to 15 parts of silicone oil, 15 to 25 parts of acrylate emulsion, 5 to 10 parts of nano silicon dioxide, 0.5 to 1 part of antioxidant, 0.5 to 1 part of mildew preventive and 40 to 60 parts of deionized water. The application ensures that the paper has multiple properties, thereby having the effect of improving the applicability of the paper.

The invention provides a high-performance olefin polymer-based composite material, and belongs to the technical field of high polymer materials. The preparation process comprises the following steps: preparing the antistatic flame-retardant composite filler; preparing a phase change microcapsule; preparation of a PDMA-SH homopolymer; preparing high-temperature-resistant nano powder; preparing a high and low temperature resistant composite coating; and preparing the polypropylene-based battery shell material. By adding the antistatic flame-retardant composite filler into polypropylene, the antistatic performance of the polypropylene material can be remarkably improved, and the antistatic flame-retardant composite filler can form a conductive network in the polypropylene material, so that the surface resistance is effectively reduced, electrostatic accumulation is reduced, and potential safety hazards caused by static electricity are prevented; the antistatic flame-retardant composite filler can improve the flame retardant property of polypropylene, and the nano antimony-doped tin oxide and other components can release flame-retardant gas at high temperature to form a protective layer, prevent flame spread and reduce the combustion rate, thereby improving the safety of the material.

Disclosed are a porous transport layer and a preparation method therefor. The preparation method includes the following steps: S1, machining side-by-side elongated recesses on one side surface of a metal sheet; S2, cutting the metal sheet provided with the elongated recesses into a desired shape; S3, stacking a plurality of cut metal sheets such that adjacent metal sheets are tightly attached and firmly connected to form a metal block having regular pore structures inside; and S4, cutting the metal block along a cross section of the metal block, where the cutting thickness matches the thickness of the desired porous transport layer, and a cut sheet structure with micropores being regularly distributed on the surface is used as the porous transport layer. The present invention can solve the problems that titanium fiber felts in the prior art have poor diversion performance, low contact efficiency and large contact surface resistance.

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 invention discloses a surface treating agent and a preparation method thereof as well as a conductive glass fiber and a preparation method thereof, and relates to the technical field of glass fibers. The surface treating agent comprises the following components in percentage by mass based on the total mass of the surface treating agent: 1-5wt% of conductive agent; 15-25 wt% of a film forming agent; 5-15 wt% of a coupling agent; and the balance of water. Wherein the conductive agent comprises a modified carbon nanomaterial. The conductive glass fiber obtained by adopting the surface treating agent disclosed by the invention has the advantages of good conductivity, high mechanical strength and strong bonding capacity with resin.

The application discloses a preparation method of a functional composite diaphragm and relates to the technical field of hydrogen production by water electrolysis. The preparation method comprises the following steps: preparing a casting solution: mixing a polymer with a solvent, heating and dispersing to prepare a uniform polymer solution; mixing zirconium oxide and a coupling agent with the solvent, ultrasonic dispersion to obtain an inorganic material dispersion liquid containing the coupling agent; under stirring, adding the dispersion liquid into the polymer solution, continuously stirring to obtain a uniform casting solution; forming a base film: coating the casting solution on a polyphenylene sulfide support net, placing in an oven after standing at room temperature to dry, and obtaining a composite base film; surface modification: sequentially immersing the composite base film in a first organic alkali solution and a second organic alkali solution, washing with a solvent after each immersion, and obtaining the functional composite diaphragm after washing.

The utility model discloses an anti-dazzle silver nanowire conductive film which comprises a transparent film base material, a silver nanowire conductive layer covered on the top wall of the transparent film base material, a heat insulation layer covered on the top wall of the silver nanowire conductive layer, a blue light resistant layer covered on the top wall of the heat insulation layer, and an anti-dazzle layer covered on the top wall of the blue light resistant layer. The top wall of the anti-dazzle layer is covered with the anti-blue-light layer, the top wall of the anti-dazzle layer is covered with the anti-scraping and anti-fog layer, the silver nanowire conducting layer is provided with a plurality of first through holes, the heat insulation layer is provided with a plurality of second through holes, and the periphery of the anti-scraping and anti-fog layer is bent downwards to cover the periphery of the anti-dazzle layer, the periphery of the anti-blue-light layer, the periphery of the heat insulation layer, the periphery of the silver nanowire conducting layer and the periphery of the transparent film base material. The structure can prevent edge warping and curling caused by falling off of the coating on the conductive film due to heating, and the service life of the transparent conductive film is prolonged.

A method for preparing a carbon black-based composite conductive agent for automotive lithium batteries, belonging to the technical field of new energy automotive lithium batteries, the preparation method of the present invention uses a vapor deposition method to deposit conductive carbon black on the surface and voids of MOF-Ni3(HITP)2 to obtain MOF-Ni3(HITP)2-loaded carbon black, and then uses a spray to perform surface modification on the MOF-Ni3(HITP)2-loaded carbon black to obtain a carbon black-based composite conductive agent. The spray contains water, polyvinyl alcohol, water-based polyurethane, behenamide propyl dimethylamine and fatty alcohol polyoxyethylene ether. The carbon black-based composite conductive agent prepared by the present invention can greatly improve the dispersibility of the conductive agent, improve the conductivity and long-term conductive stability, has good high-rate charge and discharge efficiency, and improves the rate performance of lithium iron phosphate batteries.

The invention discloses a composite diaphragm for alkaline water electrolysis as well as a preparation method and application of the composite diaphragm. The composite diaphragm sequentially comprises a polymer porous layer and a composite porous coating, wherein the composite porous coating contains a support body with a latticed structure; the polymer porous layer is composed of polysulfone and chitosan; the composite porous coating is composed of an alkali-resistant high-molecular polymer and inorganic nanoparticles. The composite diaphragm provided by the invention has high chemical and mechanical stability, high porosity and small aperture in a strong alkali medium, has good wettability to alkali liquor, low gas permeability and low surface resistance, and can restrain the problem of powder falling of the modified PPS diaphragm.

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 discloses a high-skid-resistance IXPE foam material for electronic screen packaging and a preparation method thereof.According to the method, a maleic anhydride grafted elastomer and a quaternary phosphonium salt functional component are added, the skid resistance of a product is improved through the maleic anhydride grafted elastomer, the antistatic performance of the product is improved through the quaternary phosphonium salt component, an antistatic agent is connected into a polyethylene network through alkenyl, and the high-skid-resistance IXPE foam material is obtained. The problems of migration, precipitation and decline of a traditional micromolecule antistatic agent are avoided, and the anti-skid buffering and antistatic requirements of precise electronic screen packaging are greatly guaranteed.

The invention provides a paint coating with a demolding effect, and the paint coating comprises the following raw materials in parts by weight: 100 parts of a main agent which comprises 35-45 parts of hydroxy acrylic resin, 18-22 parts of a filler, 4-6 parts of an auxiliary agent, 4-6 parts of fluorine-containing silane, 10-15 parts of a solvent, 12-14 parts of polyaniline and 1-2 parts of ferriporphyrin; and 20-25 parts of a curing agent. The invention further provides a preparation method of the paint coating with the demolding effect. According to the anti-static paint coating, the compatibility of the acrylic resin and all components in the paint coating is improved by adopting the hydroxy acrylic resin, the hydrophobicity of the paint coating is improved through the fluorosilane, the overall anti-static performance of the paint coating is achieved by adding the polyaniline in the scheme, and the anti-static performance of the paint coating is further improved by adding the ferriporphyrin. According to the paint coating with the demolding effect, the problem that due to the electrostatic interaction, concrete adheres to a formwork in the demolding process of demolding paint is solved.

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.