397results about How to "Improve antistatic performance" patented technology

The invention belongs to the field of photovoltaic glass coatings, and particularly relates to a super-hydrophilic anti-reflection wear-resistant self-cleaning coating for room-temperature curing of photovoltaic glass, which takes nano silicon dioxide sol as a main film-forming agent to cure and form a film and comprises the following raw materials in parts by weight: 55-90 parts of deionized water, 9-20 parts of nano silicon dioxide sol, 1-10 parts of a silane coupling agent and 0.001-1 part of nano titanium dioxide. The coating is prepared from the following components in parts by weight: 0.01-1 part of a surfactant, 0.01-1 part of modified polyvinyl alcohol, 0.01-1 part of water-based acrylic resin, 0.001-1 part of an antistatic agent, 1-5 parts of a curing agent, 1-5 parts of a flatting agent and 0.1-1 part of a wear-resistant agent. The super-hydrophilic anti-reflection wear-resistant self-cleaning coating has super hydrophilicity, the water contact angle is below 10 degrees, the hydrophilicity, the antistatic property, the anti-reflection property, the wear resistance and other properties of glass can be remarkably improved, and when the super-hydrophilic anti-reflection wear-resistant self-cleaning coating is applied to photovoltaic module glass, the photoelectric conversion efficiency in photovoltaic power generation can be improved.

The invention relates to the technical field of fibers, and discloses an ultrahigh-moisture-absorption anti-static polyester fiber and a preparation method thereof. The preparation method comprises the following steps: carrying out nucleophilic substitution reaction on 1, 2-benzisothiazolin-3-one and methacryloyl chloride to obtain modified benzisothiazolinone; the preparation method comprises the following steps: carrying out nucleophilic substitution reaction on phosphonitrilic chloride trimer and allylamine, and then carrying out nucleophilic substitution reaction on the phosphonitrilic chloride trimer and melamine again to obtain modified cyclophosphazene; the preparation method comprises the following steps: mixing gamma-methacryloxypropyltrimethoxysilane with aluminum zinc oxide for reaction, and mixing the obtained modified aluminum zinc oxide with modified benzisothiazolinone and modified cyclophosphazene for copolymerization in the presence of an initiator to obtain a flame-retardant antibacterial additive; mixing the flame-retardant antibacterial additive, calcium carbonate and polyethylene glycol terephthalate, performing melt spinning, and performing acid treatment to obtain modified polyester fibers; dipping the modified polyester fiber in a finishing liquid containing modified chitosan to obtain the ultrahigh-moisture-absorption anti-static polyester fiber.

The invention discloses a preparation method of antistatic modified chinlon filaments, and relates to the field of chinlon filaments. When the antistatic modified chinlon filament is prepared, (formylmethyl) diethyl phosphate and 1-aminopyrrole react to prepare pyrrole diethyl phosphate; reacting the hydroxylated multi-walled carbon nanotube with pyrrole diethyl phosphate to obtain a modified multi-walled carbon nanotube; the preparation method comprises the following steps: reacting 2, 2 '-bipyridine-5, 5'-dicarboxylic acid with 2-amino-5-nitrophenol, and then reducing to obtain a benzoxazole diamine monomer; then, adipic acid, 1, 5-diaminopentane and a benzoxazole diamine monomer are subjected to a reaction, and modified polyamide is prepared; uniformly mixing the modified polyamide, the modified multi-walled carbon nanotubes, pyrrole, ferric trichloride and copper chloride, and performing melt spinning to obtain the antistatic modified polyamide filament. The antistatic modified chinlon filament prepared by the invention has excellent antistatic, flame-retardant, anti-aging and mechanical properties.

The invention provides a polyurethane material for leaking stoppage of coal mine spraying and a preparation method thereof, and belongs to the technical field of polyurethane. The preparation method comprises the following steps: pretreating a multi-walled carbon nanotube, coupling phytic acid and a silane coupling agent, reacting with UiO-66-NH2, coating the surface with a graphene oxide layer, mixing with polyether polyol, a catalyst and an antistatic agent, adding into water, adding a foaming agent and silicone oil, heating, stirring and mixing, transferring into a mold, adding diisocyanate, and after foaming is completed and the temperature of the material is reduced to room temperature, carrying out extrusion molding to obtain the composite material. And drying, heating and curing to obtain the polyurethane material for coal mine spraying air leakage stoppage. By adding the prepared wrinkled graphene oxide coated UiO-66-NH2 / modified multi-walled carbon nanotubes, the mechanical property and strength of the prepared polyurethane material for coal mine spraying air leakage stoppage can be obviously improved, the flame retardant property such as the oxygen index of the material is also obviously improved, the foam expansion is improved to a certain extent, the preparation method is simple, and the preparation method is suitable for industrial production. The flame-retardant and mechanical properties can be obviously improved, and the application prospect is wide.

The invention provides a preparation method of a nylon elastomer with good dyeing property, antibacterial property and antistatic property. The preparation method comprises the following steps: S1, preparing a dicarboxyl-terminated nylon hard segment from binary acid, diamine or lactam and an end-capping reagent; s2, reacting the dicarboxyl-terminated nylon hard segment with polyether polyol to generate a dicarboxyl-terminated nylon elastomer with a certain molecular weight; s3, reacting the double-carboxyl-terminated nylon elastomer with the double-amino-terminated aminoguanidine compound to generate a double-amino-terminated nylon elastomer with a guanidyl group; and S4, dipping the double-amino-terminated nylon elastomer with the guanidyl group by using an anionic antistatic agent solution. The novel nylon elastomer prepared by the invention has higher molecular weight, the dyeing property of the novel nylon elastomer is favorably improved by diamino-terminated end, guanidyl is introduced in a copolymerization manner, so that the novel nylon elastomer has good antibacterial property, and meanwhile, the guanidyl is combined with the anionic antistatic agent through an ionic bond, so that the nylon elastomer has firmer antistatic property.

The invention discloses a high-performance polyether-ether-ketone plate and a preparation method thereof, and belongs to the technical field of semiconductor manufacturing. The high-performance polyether-ether-ketone plate comprises the following components in parts by weight: 80-90 parts of polyether-ether-ketone, 1-3 parts of carbon nanotubes, 1-3 parts of graphene nanosheets, 2-5 parts of conductive tin oxide micro powder, 3-5 parts of polytetrafluoroethylene micro powder and 0.5-1 part of a silane coupling agent. The PEEK composite material provided by the invention has excellent mechanical, conductive, heat management, corrosion resistance and antistatic properties, and is suitable for severe environments such as high temperature, corrosion and fatigue resistance.

The invention discloses a warm-keeping fabric containing hollow polyester fibers as well as a preparation method and application thereof, and relates to the field of fabrics. When the thermal fabric containing the hollow polyester fibers is prepared, hollow mesoporous nano cerium oxide is selectively protected by molten paraffin and then reacts with chloromethyl trimethoxy silane and isocyanuric acid in sequence, paraffin is dissolved by chloroform, and then N-(3-trimethoxysilylpropyl) pyrrole is grafted to obtain modified hollow mesoporous nano cerium oxide; reacting terephthalic acid, a multifunctional monomer and ethylene glycol to obtain modified polyester particles; the preparation method comprises the following steps: granulating modified polyester, uniformly mixing modified hollow mesoporous nano cerium oxide and polyethylene glycol 10000, performing melt spinning, treating with a pyrrole solution, twisting, spinning and weaving, and treating with a sodium hypochlorite mixed solution to obtain the thermal fabric containing the hollow polyester fibers. The warm-keeping fabric containing the hollow polyester fibers prepared by the invention has excellent warm-keeping, antibacterial, anti-aging, flame-retardant, antistatic and mechanical properties.

The invention relates to the field of polystyrene auxiliaries, and particularly discloses a coating agent for expandable polystyrene as well as a preparation method and application of the coating agent. The coating agent for expandable polystyrene is prepared from the following raw materials in parts by weight: 28 to 42 parts of mono / diglycerol fatty acid ester, 32 to 42 parts of triglyceride, 22 to 32 parts of stearate, 1 to 5 parts of ethylene bis stearamide and 2 to 3 parts of polyvinyl alcohol, and the granularity of the raw materials is 300 to 325 meshes. The coating agent provided by the invention can be used for light-grade, flame-retardant and common-grade expandable polystyrene, and can reduce adhesion and agglomeration among expandable polystyrene particles, enhance the demolding effect and reduce volatilization and loss of a foaming agent and an auxiliary agent.

The invention relates to the field of textile processing, and discloses a production process of an antistatic chinlon fabric, which comprises the following specific steps: performing blade coating on chinlon base cloth by using a modified waterborne polyurethane emulsion, and performing pre-drying and baking to obtain the antistatic chinlon fabric, the modified waterborne polyurethane emulsion comprises a waterborne polyurethane emulsion, a hybrid composite filler, a functional additive and the like; the hybrid composite filler is prepared by using a double-bond silane coupling agent to modify nano titanium dioxide and then reacting with modified graphene, and the modified graphene is prepared by using phenyl tri (dimethyl siloxane) silane, a flame-retardant additive and the double-bond silane coupling agent to react and then modifying hydrazine hydrate to reduce graphene oxide; the flame-retardant additive is prepared from phenylphosphoryl dichloride, eugenol, a flame-retardant primary product and sodium as raw materials, the flame-retardant primary product is prepared by reacting formaldehyde with p-hydroxyphenylethylamine and then further reacting with phosphorous acid, and the chinlon fabric prepared by the method not only has a conductive function, but also keeps the mechanical properties of the fabric and is excellent in flame retardance.

The invention discloses quick-dry water-based ink and a preparation method thereof, and relates to the technical field of ink. The preparation method comprises the following steps: firstly, enabling 4, 6-bis (allyloxy)-n-butyl-1, 3, 5-thiazine-2-amine and vinyl sulfonamide to participate in a polymerization reaction of acrylic acid and butyl acrylate, and preparing 4, 6-bis (allyloxy)-n-butyl-1, 3, 5-thiazine-2-amine and vinyl sulfonamide through a two-step emulsion polymerization method; the core-shell structure modified polyester emulsion with 2, 5-thiazine-2-amine and vinyl sulfonamide as soft shells and acrylic acid and butyl acrylate as hard cores improves the wear resistance and durability of the ink. Then allyl polyether reacts with 2-(p-chlorphenyl) ethylene oxide, so that the drying time is shortened, and the wear resistance of the ink is improved; then through addition reaction of reactants, bis (2-ethoxyl) dimethyl ammonium chloride and hydrogen-containing silicone oil, the epoxy-amino-polyether combined modified silicone oil flatting agent is formed, the flatting agent has hydrophilicity and hydrophobicity, the drying speed is increased, and the wear-resistant effect is improved.

The invention belongs to the technical field of high polymer materials, and particularly discloses a cross-linked antistatic supercritical microcellular foaming material. Comprising the following raw materials in parts by weight: 80-100 parts of HIPS, 10-15 parts of thermoplastic elastomer, 5-10 parts of low-density polyethylene, 10-15 parts of organic multifunctional master batch, 5-10 parts of high-dispersion conductive functional filler, 5-10 parts of modified calcium sulfate whisker, 5-10 parts of grafted modified talcum powder master batch, 1-5 parts of cross-linking agent, 1-5 parts of lubricant and 1-5 parts of antioxidant. The invention provides a cross-linked antistatic supercritical microcellular foaming material as well as a preparation method and application thereof. The cross-linked antistatic HIPS supercritical microcellular foaming material which is excellent in comprehensive performance and can be applied to multiple fields is prepared.

The invention relates to the technical field of LEDs, in particular to a quaternary yellow-green LED epitaxial wafer and a preparation method thereof. The quaternary yellow-green LED epitaxial wafer sequentially comprises a GaAs substrate, a GaAs buffer layer, an N-type gradient doped waveguide layer, a single quantum well active layer, a P-type gradient doped waveguide layer, a P-type self-absorption layer, a P-type transition layer and a P-type periodic current expansion layer from bottom to top. Through the design that the N / P type gradient doped waveguide layer is combined with the single quantum well active layer, the P type self-absorption layer and the P type GaP / GaAsP periodic current expansion layer, and the MOCVD technology is adopted for growth, the obtained low-brightness and high-reliability quaternary yellow-green LED epitaxial wafer structure has the advantages of being high in antistatic performance, excellent in aging performance, good in surface flatness and uniformity, high in light emitting efficiency and the like. The method has the characteristics of simple process, low production cost and raw material cost and the like, is used for replacing two-component and three-component LEDs grown by an LPE technology, and has better reliability and application prospect.

The invention relates to an antistatic film and a preparation method thereof, and belongs to the technical field of polymer film materials. The antistatic film is prepared from the following components in parts by weight: 100 parts of PP resin, 5 to 8 parts of hydrogenated petroleum resin, 4.5 to 5.5 parts of conductive filler, 1.2 to 1.6 parts of antistatic additive, 0.1 to 0.12 part of antioxidant, 0.08 to 0.1 part of light stabilizer and 2.5 to 3 parts of lubricant, the preparation method comprises the following steps: carrying out amine ester exchange on methyl acrylate and diethylenetriamine under the catalysis of sodium hydride to prepare a double-bond-terminated amide compound, namely an amidated matrix, carrying out addition on mercaptopropyltrimethoxysilane and the amidated matrix under the initiation of ultraviolet radiation, and introducing a methoxysilane structure to the end part of the amidated matrix for modification, so as to obtain the antistatic additive. Finally, bromopropane and residual amido of the silanization intermediate are subjected to quaternization treatment, and the antistatic auxiliary is obtained. The film material is endowed with good antistatic performance and packaging performance through the interaction of the antistatic auxiliaries.

The invention discloses a polyester fiber for antibacterial wiping and wiping cloth prepared from the polyester fiber, and relates to the technical field of polyester fibers. The antibacterial polyester fiber for wiping is prepared from the following components in parts by weight: 10 to 20 parts of antibacterial PET (Polyethylene Terephthalate) master batch and 100 parts of PET slices, wherein the antibacterial PET master batch is prepared from the following components in parts by weight: 1 to 1.5 parts of an antibacterial component I, 23.25 parts of PET slices and 0.25 to 0.75 part of a compatilizer. The wiping cloth is prepared by spinning antibacterial wiping polyester fibers into a required product specification, then carrying out plasma modification treatment, spraying an antibacterial spraying liquid, and drying. Wherein the antibacterial spraying liquid comprises the following components in percentage by mass: 3-5% of an antibacterial component II, 3-5% of silver nitrate, 1-2% of a silane coupling agent and the balance of deionized water.

The present invention provides an FDY oil agent that can be directly oiled with crude oil and a preparation method thereof, the preparation method comprising: putting a sizing agent, an antistatic agent, an emulsifier, a phase change wear-resistant agent and a smoothing agent into a reactor; heating the reactor to 40°C to 60°C, turning on the stirring device of the reactor, and continuously stirring for 20min to 40min under heat preservation conditions to obtain the FDY oil agent; wherein the phase change wear-resistant agent is prepared by the following steps: using a raw material including paraffin to prepare an oil phase; using a raw material including ethyl orthosilicate to prepare an aqueous phase; using a raw material including polyol and isophorone diisocyanate, through an oil-in-water emulsification system, to prepare an emulsion; mixing the emulsion, the oil phase and the aqueous phase to prepare the phase change wear-resistant agent. The FDY oil agent of the present invention has good high temperature resistance and wear resistance.

The invention discloses a polymerizable compound, a liquid crystal composition containing the polymerizable compound and a liquid crystal display device. The polymerizable compound is a compound shown as a formula I, in the formula I, # imgabs 0 # and # imgabs 1 # are respectively and independently represented as # imgabs 2 #, # imgabs 3 # or # imgabs 4 #, and # imgabs 5 # and # imgabs 6 # are not simultaneously represented as # imgabs 7 #; any hydrogen in the # imgabs8 and # imgabs9 can be substituted by alkyl or alkoxy of C1-C5, alkenyl or alkenyloxy of C2-C5, alkyl or alkoxy of C1-C5 substituted by fluorine, alkenyl or alkenyloxy of C2-C5 substituted by fluorine and halogen, and any one or more of-CH2-which is not connected can be independently substituted by-O-,-S-,-CO-,-CH2O-,-OCH2-,-COO-and-OOC-respectively. The polymerizable compound has the advantages of small SEM particles after polymerization and excellent diffusivity and antistatic performance. When being used in a liquid crystal display component, the liquid crystal display component has the advantages of good uniformity, rapid static electricity release and avoidance of bad display phenomena such as broken bright spots. And # imgabs10 # I is adopted.

The invention relates to the field of antistatic PVC (polyvinyl chloride) materials, in particular to a preparation method, a product and application of an antistatic pre-dispersion for a PVC film. The antistatic pre-dispersion for the PVC film is prepared by preparing an antistatic agent from an aminated ionic liquid-CNT compound and carboxylated Mxene, and mixing the antistatic agent with a plasticizer, an auxiliary dispersant and a hyperbranched flow improver. PVC resin and the like can be further combined to prepare a coating, and the coating and base cloth are prepared into a PVC film structure material to serve as an antistatic PVC material. The antistatic pre-dispersion prepared by the invention has good dispersibility in PVC resin, is slightly influenced by environmental temperature / humidity, and has a lasting antistatic effect. Meanwhile, the PVC film structure material prepared by using the antistatic pre-dispersion disclosed by the invention is good in wear resistance, not easy to migrate, stable in performance and relatively long in service life.

The invention relates to the technical field of flame-retardant conveying belts, in particular to a preparation method of a high-wear-resistance flame-retardant environment-friendly graphene / basalt fiber / rubber composite material and a laminated conveying belt prepared through the preparation method. The preparation method mainly comprises the following steps: (1) preparing functionalized graphene and basalt fiber particles; and (2) preparing the graphene and basalt fiber / rubber composite material. The graphene and the basalt fiber are compounded and used in the belt core framework material, the core rubber and the cover rubber of the conveying belt, so that the conveying belt has the characteristics of high strength, high modulus, high temperature resistance, difficulty in deformation, environment friendliness, flame retardance and static electricity resistance, and the application requirements of the rubber conveying belt in different use environments are met.

The invention discloses a windproof and breathable composite fabric and application thereof. The windproof and breathable composite fabric is used for solving the technical problem that in the prior art, the windproof and breathable performance, the wear-resistant and antistatic performance and the washing resistance of a polyester fiber fabric need to be further improved. The preparation method comprises the following steps: putting a gray fabric into a pretreatment solution for pretreatment to obtain a pretreated gray fabric, taking modified quaternary ammonium salt as a cross-linking agent, promoting cross-linking of a polyurethane prepolymer co-blocked by modified polysiloxane and polyethylene glycol, preparing epoxy group-terminated modified polyurethane, and carrying out heat treatment to obtain the pretreated gray fabric. The modified polyurethane and the tetrabutyl titanate are dispersed and mixed in the alkaline emulsion, and the prepared finishing liquid is used for padding and modifying the pretreated gray fabric, so that the windproof and moisture-permeable performance of the composite fabric is effectively improved, and the antistatic performance, wear resistance and pilling resistance of the composite fabric are also improved.

The invention discloses a high-impact material prepared from recycled polypropylene and a preparation method of the high-impact material, and relates to the field of materials. When recycled polypropylene is used for preparing the high-impact material, firstly, polypropylene is grafted with vinyl diphenylphosphine, then the grafted polypropylene is reacted with 1-(3-chlorphenyl)-2-propyn-1-ol, and then the reacted polypropylene is reacted with 6-(methyl formate) pyridine-3-boric acid to obtain modified polypropylene; secondly, the calcium carbonate pretreated by 3-aminopropyltrimethoxysilane reacts with 3-thiophenecarboxaldehyde, thiophene, 6-(thiophene-2-yl) pyridine-2-carboxylic acid and 6-(3-thienyl) pyridine-2-formaldehyde are polymerized on the surface of the calcium carbonate, and modified calcium carbonate is obtained; and finally, carrying out melt blending on recycled polypropylene, modified polypropylene, modified calcium carbonate, sodium cyanide and bismaleimide, and carrying out extrusion granulation to obtain the high-impact material. The high-impact material prepared by the invention has good impact resistance, aging resistance and antibacterial property.

The invention relates to an antistatic plastic film and a preparation method thereof, and belongs to the technical field of polymeric membrane materials, the antistatic plastic film is composed of a PET base film and an antistatic coating formed by curing an antistatic coating, the antistatic coating comprises the following components in parts by weight: 100 parts of organic silicon resin, 12-18 parts of an antistatic agent, 0.8-1.1 parts of a dispersing agent, 0.4-0.6 part of a bridging agent, 0.15-0.2 part of a flatting agent and 55-60 parts of a solvent, according to the antistatic agent, lamellar graphene is used as an electrostatic charge release matrix, a silane coupling agent KH-550 is used for introducing amino to the surface of a lamellar layer for modification, methyl chloroacetate and the amino grafted to the lamellar layer are used for substitution, finally, methyl iodide and a substituted amine compound are subjected to quaternization reaction, quaternary ammonium cations are introduced to the surface of the graphene lamellar layer, and the antistatic agent is obtained. And a continuous current collecting layer is formed in the coating, so that the generated electrostatic charge is timely led out, and the film material is endowed with excellent antistatic property.

The invention relates to a durable light-color antistatic master batch, a fiber and a preparation method thereof. The durable light-color antistatic master batch comprises the following components in parts by mass: 1-20 parts of a macromolecular antistatic agent, 0-10 parts of metal nanoparticles, 3-5 parts of a dispersing accelerator, 0.3-0.5 part of a silane coupling agent and 70-90 parts of a polymer matrix. The modified metal nanoparticles are effectively and uniformly mixed with a macromolecular antistatic agent consisting of polyether and polyamide chain segments, so that an excellent synergistic effect can be achieved in a polymer matrix, and a complete effective conductive path is formed. The composite material can effectively form a complete conductive network under the condition of low addition amount, and the antistatic performance of the composite material is greatly improved. In addition, as the metal nanoparticles account for a small proportion of the whole antistatic fiber, the antistatic fiber is light in color, and dyeing and later processing and manufacturing are facilitated.

The invention relates to the technical field of layered materials, and discloses a flame-retardant heat-insulating layer-shaped composite fabric and a preparation method thereof. The preparation method of the flame-retardant heat-insulating layer-shaped composite fabric comprises the following steps: blending soybean fibers, modified cotton fibers and carbon fibers into yarns, and weaving to obtain a lining fabric; blending the modified aramid 1313 fiber, the cotton fiber and the polytetrafluoroethylene fiber into yarns, and weaving to obtain an outer-layer fabric; immersing the outer-layer fabric into the modified aerogel treating agent to obtain a functionalized outer-layer fabric; one side of the functionalized outer-layer fabric is coated with a polyurethane adhesive, the functionalized outer-layer fabric is attached to the inner-layer fabric, hot pressing is conducted, and the flame-retardant and heat-insulating layer-shaped composite fabric is obtained. The flame-retardant and heat-insulating layer-shaped composite fabric has excellent flame-retardant and heat-insulating properties and also has good antistatic property, antibacterial property, corrosion resistance, water and oil repellency, moisture absorption, breathability and skin friendliness.

The invention provides an antistatic polypropylene material as well as a preparation method and application thereof, and belongs to the technical field of polypropylene materials. The preparation method comprises the following steps: modifying graphene, preparing a graphene / titanium dioxide compound, reacting, and performing extrusion molding. The method comprises the following reaction steps: putting a functionalized graphene / titanium dioxide compound into a reaction container, introducing N, N-dimethylformamide, uniformly stirring, adding modified graphene, dicyclohexylcarbodiimide and 4-dimethylaminopyridine, heating to 73-77 DEG C, carrying out ultrasonic treatment, and after ultrasonic treatment is finished, carrying out heat preservation stirring for 1.8-2.2 hours to obtain the graphene / titanium dioxide composite material. Then heating to 116-123 DEG C at the speed of 1.7-2.3 DEG C / min, stirring for 1.8-2.2 hours while keeping the temperature, after stirring is finished, filtering, washing, freeze-drying, and naturally recovering to room temperature, so as to obtain a graphene-graphene / titanium dioxide compound; the antistatic polypropylene material prepared by the invention is good in antistatic property, excellent in mechanical property and good in aging resistance.

The invention relates to the technical field of adhesives, and discloses an anti-static acrylate pressure-sensitive adhesive and a preparation method thereof.The acrylate pressure-sensitive adhesive is formed by mixing an acrylate polymer serving as a base material and a curing agent serving as an auxiliary material, the acrylate polymer is prepared in a seed emulsion polymerization mode, and the anti-static acrylate pressure-sensitive adhesive is obtained. According to the pressure-sensitive adhesive, the carbon nanotube core and the modified polymeric monomer are added at the same time, on one hand, carbon nanotubes connected through chemical bonds can be uniformly dispersed in the pressure-sensitive adhesive, a continuous conductive path is formed, the antistatic effect of the pressure-sensitive adhesive is improved, and the modified polymeric monomer structure contains a large number of polymerizable unsaturated alkenyl functional groups, so that the antistatic effect of the pressure-sensitive adhesive is improved. The acrylate pressure-sensitive adhesive can improve the adhesive property and the high-temperature resistance of the acrylate pressure-sensitive adhesive by adding a large amount of high-polarity sulfonic acid groups and rigid heterocyclic structures, and also can generate an auxiliary effect on eliminating static electricity by utilizing the hydrophilicity of the sulfonic acid groups.

The invention discloses a wear-resistant polyaryletherketone brush wire material and a preparation method thereof, and belongs to the technical field of high polymer materials. The brush wire material is prepared from the following raw materials: 50 to 60 parts of polyamide resin, 20 to 30 parts of polyaryletherketone resin, 10 to 20 parts of carbon fiber, 5 to 15 parts of silicone rubber, 6 to 12 parts of filler, 4 to 10 parts of modified carbon nanotube, 0.5 to 1.5 parts of coupling agent, 0.3 to 0.6 part of ultraviolet light absorber, 0.3 to 0.6 part of light stabilizer and 0.3 to 1 part of lubricant. The polyaryletherketone resin with excellent heat resistance, wear resistance, chemical corrosion resistance and the like is added into the brush wire material, the modified carbon nanotubes containing the carbon nanotubes and quaternary ammonium salt structures are also added, and the modified carbon nanotubes are good in dispersity and can fully play a role, so that under the combined action of all the raw materials, the brush wire material can be used for preparing the brush wire material. The brush wire material disclosed by the invention has excellent and stable wear resistance, antibacterial property, antistatic property and the like, and is excellent in comprehensive performance.

The invention discloses a trench power device and a preparation method thereof, the trench power device comprises a substrate and an epitaxial layer, and further comprises at least one trench gate structure located in the epitaxial layer, the trench gate structure comprises a gate electrode and a gate oxide layer, the gate electrode has a first side surface and a second side surface which are oppositely arranged in a second direction, and the first side surface and the second side surface are opposite to each other in the second direction. The gate oxide layers are respectively located on the first side surface of the gate and on one side, close to the substrate, of the gate, and the second direction is parallel to the first surface; the Schottky diode structure at least makes contact with the second side face and the first epitaxial layer, the Schottky diode structure is located on the second side face of the grid electrode, the Schottky diode structure comprises a plurality of doped regions, and the multiple doped regions comprise first doped regions and second doped regions which are alternately arranged in the second direction; the first doped region and the second doped region have different doping types. The problems that in the prior art, a grid electrode of a groove power device is resistant to static breakdown, and the device is high in switching loss under the high-frequency working condition are solved.

The utility model discloses a power device which comprises a gate structure, the gate structure is located on the side, away from a substrate, of a second epitaxial layer, the gate structure comprises a gate oxide layer, a gate and a Schottky diode structure, and the gate oxide layer is in contact with a second sub-epitaxial part, a part of the second sub-epitaxial part located between an injection region and a first sub-epitaxial part and a part of an injection region. The gate electrode and the Schottky diode structure are located on the side, away from the substrate, of the gate oxide layer, the Schottky diode structure comprises multiple doping layers arranged in a stacked mode in the second direction, any two adjacent doping layers have different doping types, the gate electrode is located on the side face, in the first direction, of the Schottky diode structure, and the gate electrode is located on the side face of the Schottky diode structure. The doped layer, in contact with the gate oxide layer, in the multiple doped layers is a first doped layer, the gate is in contact with the first doped layer, and the second direction is the direction from the substrate to the first epitaxial layer. The problem of poor electrostatic breakdown resistance of a grid electrode of a power device in the related technology is solved.

The invention discloses a processing technology of a down-proof down jacket fabric, belongs to the technical field of down jacket fabric processing, and aims to solve the technical problem that the down-proof performance, the waterproof air permeability and the antistatic performance of the down jacket fabric in the prior art need to be further improved. The method comprises the following steps: by taking a fabric lining film as an inner layer and a base fabric as an outer layer, coating a modified cross-linking agent between the two layers, putting the two layers into a hot melting bonding machine, and carrying out hot bonding to obtain the down-proof down jacket fabric, the fabric lining film is prepared from the modified graphene compound, the modified polyurethane and the deionized water, so that the down-proof performance, the waterproof performance and the air permeability of the down jacket fabric are effectively improved, the antistatic performance and the mechanical performance of the down jacket fabric are improved, and the down jacket fabric better meets the requirement of the clothing manufacturing industry for the down-proof down jacket fabric.

The invention provides a conductive container bag and a preparation method thereof. The preparation method comprises the following steps: (1) preparing a conductive flat wire, wherein the conductive flat wire comprises a PA layer, a bonding layer and a PP conductive layer; the two surfaces of the PA layer are respectively provided with a bonding layer, the other surface of each bonding layer is provided with a PP conductive layer, each bonding layer is co-extruded between the PA layer and the PP conductive layer, and the extrusion temperature is 240-250 DEG C; and (2) weaving: weaving by using conductive flat filaments to obtain the conductive container bag. Modified polypropylene is used as the PP conductive layer, and the PP conductive layer, the bonding layer and the PA layer have a synergistic effect, so that the conductivity and the mechanical strength of the conductive container bag can be synergistically improved.