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75results about How to "Improve antistatic performance" patented technology

Switching power supply and switching power supply circuit thereof

ActiveCN224721805ULimit and reduce electrostatic voltageImprove antistatic performance
The utility model provides a switching power supply and switching power supply circuit thereof, wherein the circuit comprises: input surge protection circuit; high voltage rectifier circuit is connected with input surge protection circuit and has high voltage rectifier diode for converting alternating current input into high voltage pulsating direct current; power conversion circuit is connected with high voltage rectifier circuit and is used for converting high voltage pulsating direct current into high frequency low voltage pulse electricity; output rectification filter circuit is connected with power conversion circuit; EMC filter circuit is connected with power conversion circuit at one end and is connected with output rectification filter circuit at the other end; further comprising: diode static protection circuit is connected in parallel at both ends of high voltage rectifier circuit; diode static protection circuit and EMC filter circuit, input surge protection circuit jointly constitute static discharge path and are used for limiting and reducing the static voltage applied at both ends, the utility model discloses effectively limit and reduce the static voltage at both ends of high voltage rectifier diode, promote the anti static ability and reliability of power supply system.
Owner:HEXING ELECTRICAL CO LTD +4

An antistatic privacy viewing polarizer and a preparation process thereof

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.
Owner:SHENZHEN WIN POLARIZER OPTOELECTRONICS TEC CO LTD

Oiling agent for chemical fiber spinning as well as preparation method and application of oiling agent

The invention relates to an oiling agent for chemical fiber spinning and a preparation method and application of the oiling agent. The oiling agent comprises novel oligomeric potassium alkyl sulfate, a nonionic surfactant, an emulsifier, solvent oil and water. The emulsion formed by dissolving the novel oligomeric alkyl sulfate potassium salt oil agent in water has excellent stability, and does not have obvious phase separation phenomena such as sinking and floating after standing at room temperature for 56h. When the oiling agent for chemical fiber spinning disclosed by the invention is applied to the field of chemical fiber production, chemical fibers can be endowed with excellent antistatic property and smoothness, so that the spinnability of the chemical fibers is better; and the oiling agent belongs to a green phosphorus-free formula, so that the spinnability index of chemical fibers is guaranteed, and the pollution of discharged water to the environment is reduced.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

High-flame-retardant EVA foaming material and preparation method thereof

PendingCN122011567Alower surface resistivityreduce deliveryDoped grapheneStearic acid
The invention discloses a high-flame-retardant EVA (Ethylene Vinyl Acetate) foaming material and a preparation method thereof, and relates to the technical field of high polymer materials. The high-flame-retardant EVA foaming material is prepared from a coated functional filler, a nitrogen-doped graphene-like carbon / cobalt nano composite material, EVA, stearic acid, zinc stearate, zinc oxide, a foaming agent AC and dicumyl peroxide, a core-shell combined filler composed of a coated functional filler and a nitrogen-doped graphene-like carbon / cobalt nano composite material is uniformly distributed in an EVA three-dimensional network cross-linked matrix to form a porous material with a uniform closed cell structure, so that the flame retardant property is improved by virtue of a physical barrier effect and a catalytic carbon formation mechanism, and an efficient and stable conductive network is also constructed; the antistatic performance is optimized, and the application range of the EVA foaming material is widened.
Owner:SHANGHAI MOYUAN IND CO LTD

High-strength self-supporting polypyrrole nanoarray and preparation method and application thereof

The application belongs to the technical field of polymer preparation, and particularly relates to a high-strength self-supporting polypyrrole nano array and a preparation method and application thereof. The preparation method comprises the following steps: (1) first, dispersing a hydroxypropyl-beta-cyclodextrin and polyethylene glycol aqueous solution onto an ice surface, and then adding a pyrrole monomer to form a dispersion liquid; (2) adding an acid solution containing an oxidizing agent to the dispersion liquid, and obtaining the high-strength self-supporting polypyrrole nano array after reaction. The application directly uses a macroscopic ice block as a hard template for polypyrrole preparation, and introduces a cyclic molecule hydroxypropyl-beta-cyclodextrin with hydrophilic and hydrophobic dual functions and polyethylene glycol with a linear polymer chain as an array growth aid, so that a high-strength polypyrrole nano sheet array with a self-supporting structure is prepared through a one-step polymerization method. The high-strength polypyrrole nano sheet array can be used as a conductive filler of polyurethane in the field of 3D printing technology, and greatly improves the mechanical properties and antistatic ability of products.
Owner:SUZHOU GANGRUITONG NANO MATERIALS TECH CO LTD

Antistatic filter cloth, filter bag and bag cage

The utility model relates to anti-static filter cloth, a filter bag and a bag cage. The anti-static filter cloth comprises anti-static yarns spun by polyphenylene sulfide fibers and stainless steel fibers, the polyphenylene sulfide yarns and the anti-static yarns are woven into the anti-static base cloth layer according to a specific proportion and at intervals; polyphenylene sulfide fibers are carded into an upper-layer cotton net and a lower-layer cotton net, an antistatic base cloth layer and tens of thousands of steel needles with barbs are added between the upper-layer cotton net and the lower-layer cotton net, the fibers are wound and hooked up and down to form a non-woven fabric with certain density and strength, and the non-woven fabric is subjected to post-treatment to prepare the antistatic filter cloth. The filter bag is made of the antistatic filter cloth and is used for a dust remover in the coal chemical industry. And the bag cage is used for fixing the filter bag. The bag cage has excellent conductivity, can conduct static electricity generated in the coal chemical industry, especially in a pulverized coal collector, to the body steel structure through the bag cage, on one hand, can prevent pulverized coal from burning and damaging a filter bag due to the static electricity, and on the other hand, can prevent pulverized coal from burning or exploding due to electrostatic sparks.
Owner:NANJING LONGYUAN ENVIRONMENTAL CO LTD

A forming process for biaxially oriented polymer film

PendingCN122587261ALimit movementLimit slip
The application relates to the field of high polymer material and film processing technology, in particular to a forming and processing technology of a biaxially stretched polymer film; the technology comprises the steps of inorganic particle surface modification, esterification, polycondensation, melt extrusion casting and biaxial stretching and winding; the technology combines specific monomer copolymerization to provide main chain rigidity and steric hindrance, and cooperates with multifunctional crosslinking monomers to build a slightly long branched and micro-crosslinked structure in the system; the core is to introduce an end group reaction agent and a macromolecular antioxidant to close the polar end group to inhibit degradation, and to combine the surface modified nanoparticles with the monomer containing a sulfonate group to form a polar ion aggregate in the amorphous region; the application overcomes the defects that the traditional process lacks a main chain rigidity cooperative design and an end group closing mechanism, causes a significant increase in thermal shrinkage and a decrease in dielectric performance in a high temperature and high frequency scene, improves the thermal dimensional stability of the material, and improves the dielectric breakdown strength and the surface metal layer adhesion.
Owner:扬州博恒新能源材料科技有限公司

Preparation method of chemically regenerated antibacterial antistatic moisture-absorbing and sweat-releasing fiber

The invention discloses a preparation method of chemically regenerated antibacterial antistatic moisture-absorbing and sweat-releasing fibers, and belongs to the technical field of synthetic fibers. The preparation method comprises the following steps: (a) putting regenerated semi-dull PET slices and a modifier into a screw extruder for melt extrusion, injecting the obtained melt into a spinning assembly for spinning, and then carrying out circular blowing cooling, oiling, pre-interlacing, drafting setting, main interlacing and winding forming treatment to prepare regenerated POY fibers; wherein the cross section of a spinneret orifice of a spinneret plate of the spinning assembly is cross-shaped; (b) the regenerated POY fibers are subjected to elasticity enhancing treatment, and the regenerated antibacterial antistatic moisture absorption and sweat releasing DTY fibers are obtained. The obtained fiber has excellent moisture absorption and sweat releasing performance and good antistatic and antibacterial effects, can be widely applied to the high-end textile fields of sportswear, underwear, home textile fabric and the like, and effectively makes up the performance weakness of the traditional regenerated PET fiber.
Owner:浙江佳人新材料有限公司

Preparation method of super elastic cotton for underwear

The invention discloses a preparation method of super-elastic cotton for underwear, and relates to the field of textile fabrics, and the super-elastic cotton is prepared by blending cotton fibers and spandex fibers; wherein the cotton fibers are pretreated as follows: the cotton fibers are soaked in a pretreatment solution, and the pretreatment solution comprises an alkaline solution of magnesium lithium silicate and ionic liquid; the cotton fibers are soaked in the pretreatment solution, an alkaline solution in the pretreatment solution can clean impurities in the cotton fibers, and magnesium lithium silicate is attached to the surfaces of the cotton fibers, so that the cotton fibers are loose in structure and not prone to breakage, and the air permeability is improved; the ionic liquid is combined, so that the performance stability of the cotton fibers in the blending process can be improved; in addition, the spandex fibers are soaked in the mixed solution, so that the antistatic performance of the spandex fibers in the blending process is improved, and the production quality is optimized.
Owner:JIANGXI MEISHUO IND CO LTD

Polyether ether ketone heat shrink composition and use thereof

The application provides a polyether ether ketone heat shrinkage composition and application thereof. The composition comprises 100 parts of polyether ether ketone resin and 30-50 parts of carbon conductive filler composite material by weight. The carbon conductive filler composite material is obtained by in-situ polymerization of carbon conductive filler and polyether ether ketone resin, the carbon conductive filler is obtained by zero-dimensional C 60 The synergistic addition of zero-dimensional C 60 , one-dimensional single-walled carbon nanotubes and two-dimensional reduced graphene oxide improves the filling efficiency of the carbon conductive filler. Research shows that when the heat shrinkage rate of the prepared polyether ether ketone heat shrinkage pipe material is 1.6:1, the recovery rate can be as high as 92.1%, the tensile strength is high, the original volume resistance, the volume resistance after immersion in aviation kerosene for 168 hours and the volume resistance after irradiation at a dose of 1000 kGy are all small. It is shown that the prepared heat shrinkage pipe material has excellent radiation resistance, aviation kerosene resistance, antistatic function, shrinkage performance and mechanical properties.
Owner:CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES

PET (Polyethylene Terephthalate) anti-fog antibacterial sheet and production process thereof

The invention belongs to the field of PET (Polyethylene Terephthalate) sheets, and discloses a PET anti-fog antibacterial sheet and a production process thereof. The anti-fogging PET material is prepared from the following raw materials in parts by weight: 72 to 85 parts of PET resin, 3 to 8 parts of antibacterial master batch, 2 to 5 parts of polyglycerol fatty acid ester-chitosan composite anti-fogging additive, 1 to 4 parts of flexibilizer, 0.5 to 2.0 parts of antistatic agent, 1 to 3 parts of compatilizer, 0.3 to 1.0 part of lubricant, 0.2 to 0.8 part of release agent, 0.2 to 0.8 part of antioxidant and 0.5 to 1.5 parts of trehalose modified nano silicon dioxide. The problems that existing traditional PET agricultural product packaging only depends on punching for ventilation and water permeation, the problems of water condensation and fogging cannot be solved, and agricultural product decay is accelerated are solved, and the problems that a PET sheet produced through a traditional coating technology is poor in anti-fogging effect, an anti-fogging coating is prone to falling off, and food safety is affected are solved.
Owner:JIANGYIN CITY DEHUI HEAT SHRINKABLE PACKING MATERIAL

Antistatic aluminum-plastic film, preparation method and application in lithium battery packaging

The application relates to the technical field of packaging materials, and discloses an antistatic aluminum plastic film, a preparation method and application in lithium battery packaging, wherein the antistatic aluminum plastic film is prepared by dry compounding of an outer nylon film, an intermediate aluminum foil layer and an inner polyethylene composite film; the polyethylene composite film is composed of 60-80 wt% of metallocene linear low-density polyethylene resin and 20-40 wt% of carbon black-graphene polyethylene composite masterbatch; the carbon black-graphene hybrid particle contains an alkenyl functional group on the surface, and a free radical addition grafting reaction occurs between the linear low-density polyethylene resin and the carbon black-graphene polyethylene composite masterbatch through the action of an initiator; and the carbon black-graphene hybrid particle is prepared by Schiff base reaction of a dialdehyde alkenyl functional modifier and amino-functionalized carbon black and amino-functionalized reduced graphene oxide. The aluminum plastic film prepared by the application has excellent antistatic performance, heat sealing performance and barrier performance, and is used for packaging of lithium iron phosphate powder which is a positive electrode material of a lithium battery.
Owner:SUZHOU ZIJIN PLASTIC

Antistatic polyester fabric

The utility model discloses an anti-static polyester fabric, which relates to the technical field of textiles and is characterized in that a conductive grid is arranged on one side of an inner layer far away from an outer layer, the outer layer comprises a plurality of conductive parts and a plurality of breathable parts which are staggered along the length direction of the outer layer, and a plurality of conductive strips and a plurality of diverging strips are respectively arranged on two sides of the conductive parts. The inner layer and the outer layer are supported by the plurality of conductive strips to form a plurality of ventilation cavities, the inner layer is provided with a plurality of ventilation holes communicated with the ventilation cavities, and the ventilation part is provided with a plurality of ventilation holes communicated with the ventilation cavities. The inner layer made of the modified polyester profiled fibers can absorb moisture in the skin or surrounding air to keep certain humidity when worn, and the contact friction area between the inner layer and the skin is reduced through the conductive grids, so that generation and accumulation of static electricity are reduced; the outer layer made of the silver fibers can absorb static electricity in the inner layer in time and release the static electricity into water molecules of outside air, and the antistatic effect of the fabric is improved.
Owner:YUESHIGAO (SUZHOU) TEXTILE TECH CO LTD

Flame-retardant and bacteriostatic wave-absorbing PET fiber and preparation method thereof

The application discloses a kind of flame-retardant bacteriostatic wave-absorbing PET fibers and preparation method thereof, the fiber includes fiber body and is arranged on the bacteriostatic wave-absorbing layer of fiber body surface, fiber body is skin-core composite structure, from inside to outside includes core layer and flame-retardant wave-absorbing barrier layer in sequence;Flame-retardant wave-absorbing barrier layer is the raw material of flame-retardant wave-absorbing mixture, includes the following components by weight parts:PET polyester chip 100, flame retardant 9-15, flame-retardant wave-absorbing particle 22-40, compatible agent 1.5-4.The bacteriostatic wave-absorbing layer in the application can provide excellent electromagnetic wave absorption capacity through the bacteriostatic wave-absorbing particle therein, can realize effective protection to electromagnetic pollution, and also can provide excellent antibacterial performance through active oxygen generated under light and / or electromagnetic wave irradiation.Flame-retardant wave-absorbing barrier layer can provide good reflection and absorption electromagnetic wave capacity in addition to being able to improve flame-retardant performance through the flame-retardant wave-absorbing particle therein.
Owner:JIANGSU HENGKE ADVANCED MATERIALS CO LTD

Raw cotton impurity analyzer of antistatic roller shaft

The utility model discloses a raw cotton impurity analyzer with an antistatic roller shaft, which belongs to the technical field of textile machinery, and comprises a rack, a surface table at a feeding end and a carding roller, the roller shaft is arranged at the upper end of the surface table, the roller shaft is made of an integrated antistatic nylon material, transverse flutes are arranged on the surface of the roller shaft, and the surface resistivity is 10-10 omega.cm; positioning assemblies are installed on the two sides of the rack, each positioning assembly comprises a hydraulic air cylinder, a positioning clamping jaw and a pressure sensor, the telescopic end of each hydraulic air cylinder abuts against the end of the corresponding roller shaft through the corresponding positioning clamping jaw so that the roller shaft can be attached to the cambered surface of the corresponding surface table, and the pressure sensors monitor pressure values in real time and feed the pressure values back to the control system; by means of the integrated antistatic nylon roller shaft, the precise positioning mechanism driven by the hydraulic air cylinder and the bevel gear transmission assembly, electrostatic interference is effectively eliminated, millimeter-level dynamic positioning is achieved, friction loss is reduced, and raw cotton impurity detection precision and equipment operation stability are remarkably improved.
Owner:安庆市鑫益智能设备制造有限公司

A carrier roller body composition, a carrier roller body and a method of making the same

The present application relates to a kind of roller body compositions of carrier roller, carrier roller and its preparation method, the composition includes: 100 mass parts polyvinyl chloride, 3~12 mass parts antistatic agent and other auxiliary agents;The antistatic agent includes conductive carbon black and multi-walled carbon nanotube;Wherein, the specific surface area of the conductive carbon black is ≥700m 2 / g, the aspect ratio of the multi-walled carbon nanotube is ≥1500.The carrier roller body composition of an embodiment of the present application, by using conductive carbon black and multi-walled carbon nanotube with specific structure as antistatic agent, can make the carrier roller prepared still has better antistatic property after wearing, so that its antistatic property is more durable.
Owner:GUONENG SCIENTIFIC & TECHNOLOGICAL ACHIEVEMENTS TRANSFORMATION (BEIJING) CO LTD

Self-supporting polypyrrole nano array as well as preparation method and application thereof

The invention belongs to the technical field of polymer preparation, and particularly relates to a self-supporting polypyrrole nano array as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) dispersing an aqueous solution of hydroxypropyl-beta-cyclodextrin on an ice surface, then adding a pyrrole monomer, and standing to form a dispersion liquid; and (2) dropwise adding an acid solution containing an oxidizing agent into the dispersion liquid, reacting, washing and drying to obtain the self-supporting polypyrrole nano array. Compared with zero-dimensional polypyrrole nano-particles or polypyrrole nano-sheets, the array structure is a pre-constructed continuous conductive path. Moreover, the network structure of the polypyrrole nanosheet array with the self-supporting structure can interpenetrate with a resin matrix, uniformly transfer stress, inhibit crack propagation and easily form a continuous conductive path, high conductivity can be realized by a low addition amount, and the polypyrrole nanosheet array can be used as a conductive filler of polyurethane in the technical field of 3D printing; the mechanical property and the antistatic capability of the product are improved.
Owner:SUZHOU GANGRUITONG NANO MATERIALS TECH CO LTD

Nitride semiconductor epitaxial wafer, method for manufacturing the same, and optoelectronic device

PendingCN122318409AEnhance lateral epitaxial growthImprove luminous brightness
This invention relates to a nitride semiconductor epitaxial wafer, its fabrication method, and optoelectronic devices. The nitride semiconductor epitaxial wafer comprises a substrate, a first n-type nitride layer, a nitride control layer, a composite nanopillar structure layer, a nitride buffer layer, a second n-type nitride layer, a light-emitting layer, and a p-type nitride layer, stacked sequentially. The composite nanopillar structure layer includes a first nanopillar spacer unit and a second nanopillar spacer unit. The height of the first nanopillar spacer unit is greater than the height of the second nanopillar spacer unit. The first nanopillar spacer unit includes a first metal microstructure, a first nanopillar, and a first top unit. The second nanopillar spacer unit includes a second metal microstructure, a second nanopillar, and a second top unit. By adopting the solution provided by this invention, the probability of dislocation extension to the light-emitting layer is reduced, leakage channels are reduced, and radiative recombination is enhanced, thereby improving the brightness, leakage current, and ESD antistatic discharge performance of the epitaxial wafer.
Owner:JIANGSU INST OF ADVANCED SEMICON CO LTD

Antistatic polyethylene pipe wound by multiple layers of steel wires

ActiveCN224107800Uflame retardantImprove fire safetyCoatingsRigid pipesFire safetyPipe
The utility model belongs to the technical field of polyethylene pipes, and particularly relates to a multi-layer steel wire winding antistatic polyethylene pipe which comprises a pipe body, a first connecting part arranged at one end of the pipe body, a second connecting part arranged at the other end of the pipe body, a threaded groove formed in the second connecting part, and a first sealing groove formed in the outer side of the threaded groove. A second sealing groove is formed in the inner side of the threaded groove, a threaded ring is arranged at one end of the first connecting part, and a first sealing ring is arranged on the outer side of the threaded ring. The first armor layer and the second armor layer are arranged in the pipe body and used in cooperation, the overall structural strength in the pipe body can be improved, the pipe body is prevented from being easily damaged by external acting force, the flame-retardant layer is arranged in the pipe body, the pipe body can have the flame-retardant effect, the fireproof safety of the pipe body in the using process is improved, and the service life of the pipe body is prolonged. Meanwhile, the conductive braid layer and the anti-static coating are arranged in the pipe body and used in cooperation, the anti-static performance of the whole structure is improved conveniently, and therefore the structural functionality of the anti-static pipe is improved.
Owner:SHANDONG HONGTAI PLASTIC IND CO LTD

A cleaning device for a roll body of a chemical fiber spinning system and a spinning system

The application discloses a kind of chemical fiber spinning system roll body cleaning device and spinning system, including, support component, be set in the roll body around scrollable;Cleaning component is connected with support component, and cleaning component is contacted with the lateral wall of roll body;Spray component is connected with support component or cleaning component, for spraying lateral wall and / or cleaning component of roll body.The beneficial effects brought by the application: by increasing spraying device, the humidity of the contact surface of roll body and cleaning component is improved, the temperature of cleaning component and lateral wall of roll body is prevented from rising, the antistatic effect is improved, and the lubricating effect is played, the friction between the surface of cleaning component and roll body is reduced, and then the wear between the two is reduced, so that the surface finish of roll body remains good, and the needs of long-period production operation are satisfied.
Owner:JILIN ACRYLIC FIBERS CO LTD +1

Water-repellent member and method for manufacturing water-repellent member

Provided are: a water-repellent member which has excellent water repellency, sliding properties, sebum dirt wiping properties, and wear resistance (in particular, rubber wear durability), and which has excellent antistatic properties; and a water-repellent member which has excellent water repellency, sliding properties, sebum dirt wiping properties, and wear resistance (in particular, rubber wear durability), and which has excellent antistatic properties, and which has excellent water repellency, sliding properties, and sebum dirt wiping properties for various substrates. Provided is a method for manufacturing a water-repellent member having a water-repellent layer having excellent antistatic properties and wear resistance (particularly rubber wear durability). A water-repellent member having a primer layer on at least one surface of a base material and a water-repellent layer on the outer surface of the primer layer, the primer layer being a layer having a film thickness of 30-500 nm and containing an organosilicon compound having a plurality of silanol groups in the molecule, and the water-repellent layer is a layer having a film thickness of 0.5-30 nm and containing a cured product of a hydrolyzable non-fluorine compound.
Owner:SHIN ETSU CHEMICAL CO LTD

Pps-based quaternary ammonium salt antistatic fiber and method for preparing the same

PendingCN122629705ALong-lasting and stable antistatic abilityImprove weaving performanceFiberPolymer science
The application discloses a PPS-based quaternary ammonium salt antistatic fiber and a preparation method thereof, and belongs to the field of special polymer fiber production. The preparation method of the antistatic fiber comprises the following steps: S1, preparing chloromethylated PPS fiber; S2, adding the chloromethylated PPS fiber into an aqueous solution or an aqueous dispersion liquid containing a tertiary alkylamine R1R2R3N, and reacting for 3-8 hours at 30-90 DEG C, and then taking out the fiber; and S3, sufficiently rinsing the fiber with deionized water, and drying at 30-80 DEG C to obtain the PPS-based quaternary ammonium salt antistatic fiber. Compared with the prior art, the method utilizes a chemical modification method to perform surface modification treatment on the polyphenylene sulfide fiber, so that the polyphenylene sulfide fiber has durable and stable antistatic ability and smoothness, and has good popularization and application value.
Owner:CHENGDU HUIEN FINE CHEM

High abrasion resistant modified fiber and method of making same

The application relates to the technical field of fiber processing, and discloses a high-wear-resistance modified fiber and a preparation method thereof.The modified fiber prepared by the application is prepared from polyester material taking terephthalic acid as a binary acid, ethylene glycol and 1,2-propylene glycol as binary glycol as a main matrix, and adding modified carbon black and polyethylene wax for mixing, melt extrusion, melt spinning, drawing and impregnation; the modified fiber realizes the synergistic promotion of wear resistance and antistatic performance on the basis of keeping good mechanical properties of polyester fiber, and has a wide application prospect in the field of industrial textiles.
Owner:GUANGZHOU SHUANGXIONG CHEM FIBER CO LTD

Environment-friendly high-thermal-conductivity polyester material and preparation process thereof

PendingCN121851646AAchieve surface modificationGood dispersionPolyesterPolymer science
The invention relates to the technical field of PET polyester, and discloses an environment-friendly high-thermal-conductivity polyester material and a preparation process thereof.The polyester material comprises, by weight, 100 parts of polyethylene glycol terephthalate, 10-40 parts of hexagonal boron nitride and 0.5-2.5 parts of sodium polyethyleneimine urea carboxylate; polyethyleneimine ureido sodium carboxylate contains a large amount of active amine activity and sodium carboxylate groups, surface modification of boron nitride is effectively achieved, dispersity of boron nitride can be improved, compatibility with PET is better, the polyester material can keep good mechanical property and tensile strength, and the heat conductivity coefficient and heat conduction and heat dissipation performance of the material are improved. Meanwhile, the surface water contact angle of the polyester material is reduced, and the antistatic performance of the polyester material is improved.
Owner:ZHEJIANG LIDE NEW ENVIRONMENTAL PROTECTION MATERIAL CO LTD

Polyester filament fiber spinning oiling device

The utility model discloses a polyester filament fiber spinning oiling device, which belongs to the technical field of fiber spinning, comprises a base assembly, and is characterized in that all parts of the oiling assembly are matched with one another, so that the oiling assembly can be used for oiling the polyester filament fiber. Compared with a traditional single-side or local oiling mode, the multi-direction wrapping oiling device can achieve multi-direction wrapping oiling and enable an oiling agent to cover the surfaces of filament fibers more evenly, compared with the traditional single-side or local oiling mode, the situation that the oiling agent is not distributed evenly can be avoided, it is guaranteed that each fiber can be fully and evenly oiled, and therefore the consistency of product quality is improved, and production efficiency is improved. Uniform oiling agent wrapping helps to improve various properties of the fibers, for example, smoothness, softness, antistatic property and the like of the fibers can be better improved, through mutual cooperation of all parts of the oiling assembly, the distance between the multiple oiling cylinders can be adjusted according to the thickness of fiber spinning, the practicability is further improved, and the application range of the oiling assembly is widened. Therefore, the spinning of fibers with different thicknesses is realized.
Owner:AUTOFIBRE (JIANGSU) TEXTILE CO LTD

An antistatic fabric based on modified acrylic fiber and its preparation process

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.
Owner:KUNSHAN HUAYANG NEW MATERIAL

Surface protective film

Provided is a surface protective film including an adhesive layer, the surface protective film exhibiting both excellent antistatic performance and suppression of contamination of an adherend. A surface protective film according to an embodiment of the present invention comprises an adhesive layer comprising a urethane-based adhesive comprising a urethane polymer, the urethane-based adhesive being formed from a urethane-based adhesive composition, the urethane-based adhesive composition contains a base polymer (A), a silicone-based compound (B), and an ionic compound (C), and has a glass plate surface resistance value of 5.0 * 1010 [Omega] or more.
Owner:NITTO DENKO CORP

Antibacterial antistatic cellulose blended yarn and method for preparing the same

PendingCN122279818Asoft touchFeel smoothYarnPolymer science
This invention discloses an antibacterial and antistatic cellulose blended yarn. The raw materials for preparing the blended yarn include natural fibers, deodorizing hemp pulp fibers, antistatic carbon fibers, mineral-modified fibers, and an antistatic agent. The raw materials, by weight, include the following components: 20-30 parts natural fibers, 10-12 parts deodorizing hemp pulp fibers, 10-20 parts antistatic carbon fibers, and 6-8 parts mineral-modified fibers. The natural fibers include bamboo fibers, cotton fibers, and hemp fibers, and possess inherent antibacterial components. The mineral-modified fiber raw materials are nano-zinc oxide and nano-titanium dioxide particles. The advantages of this invention compared to existing technologies are: the antibacterial and antistatic cellulose blended yarn of this invention has a soft and smooth hand feel and improved weaving performance; it retains the unique antibacterial and moisture-wicking functions of hemp fibers, while inheriting the comfortable and skin-friendly characteristics of cotton and viscose regenerated cellulose fibers; and it improves the antistatic performance of the blended yarn.
Owner:HANGZHOU QINXIANG IND CO LTD

Antistatic flame-retardant functional masterbatch and preparation method thereof

This invention discloses an antistatic and flame-retardant functional masterbatch and its preparation method, relating to the field of plastics technology. The antistatic and flame-retardant functional masterbatch prepared by this invention includes a self-made antistatic agent, a composite flame retardant, polypropylene, filler, surface modifier, lubricant, dispersant, antioxidant, and toughening agent. The self-made antistatic agent is prepared by reacting a network-crosslinked isocyanate with double-terminated carboxyl polyethylene glycol, followed by crosslinking with copolymerized polyamic acid. This not only achieves long-lasting antistatic properties but also forms a crosslinked structure in the masterbatch during co-extrusion with the composite flame retardant, synergistically enhancing flame-retardant performance. The composite flame retardant includes benzylamine-modified melamine and sulfonyl diamine-modified melamine, giving the masterbatch excellent flame-retardant properties.
Owner:CHANGZHOU HONGMEI PLASTIC MASTERBATCH

Surface protection film of prismatic lens and preparation method of surface protection film

The invention discloses a surface protection film of a prismatic lens and a preparation method of the surface protection film, and belongs to the technical field of protection films. The special hydrogenated styrene copolymer, the tackifying resin and the monomer resin are compounded, so that the adhesive has good wettability and initial adhesion force on the prismatic lens; metallocene catalyzed polypropylene and a cycloolefin copolymer are added into the core layer to be compounded, interface light reflection loss is effectively reduced, then an antistatic composition composed of a polyether amide copolymer, ethamine oxide and glycerol monostearate is added, and a certain antistatic effect is achieved; a composite light stabilizer is also added, so that a dual-protection system is constructed, and the aging resistance is improved; on the whole, through the structural design of the back unrolling layer, the core layer and the viscous layer and the optimization of the synergistic effect of the preparation raw materials and the formula, the prismatic lens surface protection film which is excellent in initial viscosity, low in unrolling force, slow in viscous force increase, antistatic, aging-resistant, optically matched and excellent in comprehensive performance can be prepared, and the prismatic lens surface protection film has a good industrial application prospect.
Owner:FOSHAN NANHAI LIDA PACKAGING CO LTD +1