24results about How to "Improve antistatic performance" patented technology

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

The application 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.

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.

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.

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.

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.

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.

This invention relates to the field of fabric technology, specifically to a breathable antibacterial fabric and its preparation process, and sportswear made from this fabric. The preparation process of the breathable antibacterial fabric includes: preparation of a composite antibacterial agent, preparation of multifunctional polyester fibers, amination modification of phenolic lignin, modification treatment of polyacrylonitrile, and preparation of the breathable antibacterial fabric. The breathable antibacterial fabric of this invention consists of inner, middle, and outer layers: the inner layer is a blend of modal and other materials, which is skin-friendly, moisture-wicking, and antibacterial; the middle layer is a polyurethane film layer; the outer layer contains polyacrylonitrile composite fibers, which are antibacterial, crisp, and breathable. A composite antibacterial agent made of chitosan, cysteine, and copper nitrate imparts dual antibacterial properties to the fabric, reducing bacterial resistance. Ethylene treatment enhances the bonding of components, improving wash resistance and antistatic properties; the co-spinning of amination-modified phenolic lignin and polyacrylonitrile increases fiber strength, breathability, and UV resistance. This fabric is suitable for sportswear.

This utility model discloses a temporary ventilation barrier device for underground mines, relating to the field of mine ventilation safety technology. It includes a fixed base frame and an assembly assembly. The fixed base frame is an integrated structure with a support rod rotatably connected to its inner side. The assembly assembly is disposed on the surface of the fixed base frame and includes an embedded mounting groove, an embedded mounting strip, a main ventilation barrier, an embedded connecting groove, an embedded connecting strip, a side ventilation barrier, an upper ventilation barrier, a magnetic connecting layer, and a rare-earth permanent magnet strip. The embedded mounting groove is located on the inner surface of both the fixed base frame and the support rod. This temporary ventilation barrier device for underground mines allows for rapid assembly of its components through the assembly assembly, improving assembly efficiency. The components can be folded and stored separately for easy transport. The protective assembly creates a multi-layered structure on the surface of the ventilation barrier, significantly enhancing its strength and extending its service life.

The application discloses a low-hairiness linen-imitating style clothing fabric and a preparation method thereof, and relates to the technical field of clothing fabrics. The clothing fabric is formed by interweaving first warp yarn, second warp yarn, first weft yarn and second weft yarn. The first warp yarn and the first weft yarn are core-spun yarns, the core-spun yarns comprise a core layer and a cladding layer, the core layer is spandex filament, and the cladding layer is a blend of polyester fiber and viscose fiber. The second warp yarn and the second weft yarn are two single yarns that are subjected to oiling treatment and twisted into a strand. The oiling treatment is performed by using modified oil agent. The clothing fabric prepared by the innovative double-yarn structure design and the modified oil agent technology has the natural texture of linen fabric and the delicate appearance of modern textile, the production process is stable, the rate of superior products is significantly improved, the double requirements of quality and functionality of linen-imitating fabric are met, and the clothing fabric has important industrial application value and market prospect.

This invention relates to the field of polyurea technology and discloses an antistatic waterborne polyurea coating and its preparation method, comprising component A (100 parts by weight of terminal isocyanate prepolymer); component B (6.8-13.7 parts by weight of diamine chain extender, 42-60 parts by weight of polyvinylpyrrolidone copolymer, and 1-4 parts by weight of PVP-modified carbon nanotubes). After modification with PVP dispersant, the carbon nanotubes exhibit better dispersibility in the waterborne polyurea coating, forming a uniform conductive and thermally conductive network, thus improving antistatic and thermal conductivity, while also enhancing the mechanical properties of the polyurea. The polyvinylpyrrolidone copolymer contains hydrophilic carboxyl and amino groups, exhibiting excellent dispersibility in the waterborne polyurea coating. Furthermore, the amino groups can react with the isocyanate groups of the terminal isocyanate prepolymer, thereby forming a three-dimensional chemical crosslinking effect, which synergistically enhances the tensile and tear strength of the polyurea coating.

The application provides a polymeric electrode material and a preparation method and application thereof. The electrode material I has high coulomb efficiency, improves energy conversion efficiency of a flow battery, improves economy and service life of the flow battery; the electrode material I also has good antistatic capacity, solves the problem of static electricity accumulation of the electrode material in a charging and discharging process of the flow battery, and improves performance and safety of the flow battery.

This application relates to a pixel structure and its fabrication method, and an infrared detector. The pixel structure includes a substrate and a conversion element. The conversion element converts optical signals into electrical signals. The conversion element includes a conversion body and a conversion support structure disposed on the substrate and capable of supporting the conversion element. Along the thickness direction of the pixel structure, the conversion body and the substrate are spaced apart. A first antistatic layer is provided on the surface of the conversion body facing the substrate. By providing a first antistatic layer opposite to and spaced from the substrate on the surface of the conversion body facing the substrate, the pixel structure reduces the accumulation of electrostatic charge on the lower surface of the conversion element, effectively enhancing the antistatic capability of the detector pixel-level structure and reducing the generation of electrostatic defects during detector operation.

The utility model discloses a kind of antistatic agent high-pressure infiltration injection devices for polyester spinning, it is related to polyester spinning production equipment technical field, including reaction kettle, the reaction kettle bottom is provided with support leg, it is characterized in that, the reaction kettle top is detachably installed with top cover by locking mechanism, the top cover is also provided with stirring mechanism, the reaction kettle bottom discharge end is also provided with discharge mechanism. The utility model locking mechanism makes that top cover can be conveniently disassembled, it is convenient to overhaul and maintenance to reaction kettle inside;Stirring mechanism realizes efficient stirring by bevel gear transmission, ensure that reaction kettle internal material is fully mixed;Discharge mechanism utilizes pressure change and return spring control discharge, both ensure the sealing property when discharging, and realized the controllability of discharge;Heating cavity can heat reaction kettle, improve reaction efficiency, improve the overall performance of device, guarantee the stability and high efficiency of production.

This invention provides antistatic fibers, their preparation methods, and methods for adjusting their fineness and / or volume resistivity, belonging to the technical field of functional fibers and their preparation methods. The first type of antistatic fiber includes a fiber body made of a conductive composition. The second type of antistatic fiber includes a core layer and a sheath layer, with the sheath layer covering the outside of the core layer. The core layer is made of a conductive composition, and the sheath layer is made of a fiber-forming polymer. The preparation method of the first type of antistatic fiber can produce the first type of antistatic fiber; the preparation method of the second type of antistatic fiber can produce the second type of antistatic fiber. The method for adjusting the fineness and / or volume resistivity of the first type of antistatic fiber includes adjusting the types and mass ratios of the components in the sheath layer and the core layer during the preparation process of the first type of antistatic fiber, so that the obtained antistatic fiber has a set fineness and / or volume resistivity. This method can produce antistatic fibers with excellent antistatic properties.

This utility model relates to a combined container bag consisting of an aluminum foil inner bag and a PP outer bag. It includes an aluminum foil inner bag and a PP outer bag. The aluminum foil inner bag has a breathable structure. The PP outer bag includes a bag body with lifting straps. The bag body includes a waterproof layer, an antistatic layer inside the waterproof layer, a PP base layer inside the antistatic layer, and a wear-resistant layer inside the PP base layer. This utility model features a long service life for the outer bag, timely air release from the inner bag, and safe and reliable use.

This utility model discloses an antistatic knitted fabric, which relates to knitted fabrics. The key technical points are: it includes a composite base layer and a hydrophilic layer. The hydrophilic layer is for direct contact with the body surface. The base layer is formed by weaving base yarn and antistatic yarn together, and the base layer surface has through holes. This utility model, through the action of the antistatic yarn, can effectively reduce the generation of static electricity on the base layer surface, thereby ensuring that the fabric as a whole has good antistatic ability. Simultaneously, the hydrophilic layer prevents the fabric from becoming too dry, further reducing the generation of static electricity. Thus, through the combined action of the antistatic yarn and the hydrophilic layer, the fabric as a whole has a good antistatic effect. The antistatic yarn is made of several silver fibers twisted together. Silver fibers themselves have excellent conductivity and can quickly conduct away the generated static electricity, thereby ensuring that the fabric as a whole has a good antistatic effect.

Regarding the antistatic hard coating resin compositions containing ionic liquids or the like described in the background art, and the antistatic hard coating films using such resin compositions, there is room for further improvement from the viewpoint of balancing antistatic ability and high hardness. One aspect of the conductive polymer composition of the present invention comprises: a self-doped conductive polymer (A), and CR... 5 2=CR 6 2(R 5 R 6 Compounds (B) are represented by each of the following: (each of which independently represents a hydrogen atom, halogen atom, cyano group, nitro group, or organic group; two organic groups may optionally be bonded together to form a ring structure).

This invention relates to a conductive low-exudation polyamide composition, its preparation method, and its application. The conductive low-exudation polyamide composition is prepared from the following components in parts by weight: 35-65 parts polyamide resin, 20-50 parts carbon nanotube masterbatch, 1-20 parts toughening agent, and 0.1-2 parts antioxidant. The carbon nanotube masterbatch is prepared by coating carbon nanotubes with polyether block amide as a carrier. This invention adds carbon nanotube masterbatch coated with polyether block amide as a carrier to pre-disperse the carbon nanotubes. On the one hand, polyether block amide has excellent compatibility with long-chain polyamides, allowing the carbon nanotubes to be well dispersed in the matrix phase. On the other hand, polyether block amide itself has good antistatic properties, and it can have a good conductive synergistic effect with carbon nanotubes, ensuring that the conductivity of the polyamide composition does not change over time or with environmental factors, maintaining good conductivity over a long period.

This invention relates to the field of packaging film technology, specifically to a low-temperature heat-sealing medical blister packaging film and its production method. The low-temperature heat-sealing medical blister packaging film comprises a heat-sealing layer, a core layer, and a corona layer stacked sequentially. The heat-sealing layer is made of ethylene-vinyl acetate copolymer, metallocene polyethylene, ternary random copolymer polypropylene, low-density polyethylene, polyolefin elastomer, functional additives, sorbitol, and antioxidants. The core layer is made of linear low-density polyethylene, low-density polyethylene, metallocene polyethylene, sorbitol, and antioxidants. The corona layer is made of linear low-density polyethylene, metallocene polyethylene, low-density polyethylene, functional additives, sorbitol, and antioxidants. The packaging film produced by this invention has a low heat-sealing initiation temperature, good mechanical properties, excellent antibacterial properties, and does not adhere between layers, making it particularly suitable for blister packaging of heat-sensitive disposable medical devices and pharmaceuticals.

This invention provides an application of an organosilane coupling agent in carbon fiber fabrics, a surface treatment solution, and a method for preparing antistatic carbon fiber fabrics. The organosilane coupling agent comprises a trimethoxy group and a hydrophobic group. The trimethoxy group in the organosilane coupling agent can condense with the hydroxyl groups on the surface of the carbon fiber fabric to graft silanes with hydrophobic groups onto the surface of the carbon fiber fabric. Subsequently, these silanes condense with each other on the carbon fiber surface to form a dense water-repellent protective layer. Additionally, the dispersed silanes self-condense to form a large-molecule network of organosilicon resin, which forms a loose coating layer on the carbon fiber surface by van der Waals forces. The water-repellent protective layer and the coating layer are also difficult to detach from the surface of the carbon fiber fabric in humid and hot environments, thus ensuring the durability of the antistatic properties of the carbon fiber fabric in humid and hot environments.

This invention provides an antistatic temporary bonding material, its preparation method, and its application. The raw materials for preparing the antistatic temporary bonding material comprise the following components by mass percentage: 5%-10% main resin, 13%-30% tackifying resin, 0.1%-1% antioxidant, 0.5%-5% antistatic agent, and 54%-80% solvent. The main resin includes a non-polar main resin, and the tackifying resin includes hydrogenated petroleum resin. This invention, through the selection of the main resin and tackifying resin, ensures good compatibility between the antistatic agent and the system, overcoming the inherent drawback of temporary bonding materials that cannot avoid static electricity accumulation, thus ensuring the stability of the wafer during processing. Simultaneously, the temporary bonding material exhibits good resistance to chemical solvents, heat resistance, and adhesion properties, and is easy to clean.

The invention relates to the technical field of pre-oxidized fibers, and particularly discloses a cotton spinning pre-oxidized fiber and a preparation method thereof. The preparation method comprises the following steps: mixing a polyacrylonitrile precursor with a first modified oil agent to obtain a pretreated precursor; the first modified oil agent comprises polytetrafluoroethylene dispersion liquid, nano aluminum oxide and a silane coupling agent; carrying out gradient pre-oxidation on the pre-treated precursor in an air atmosphere under the conditions that the temperature is 215-255 DEG C and the tension is 1650-2100 cN, so as to obtain a pre-oxidized fiber; immersing the pre-oxidized fiber into a second modified oiling agent for oiling and curling to obtain a cotton spinning pre-oxidized fiber; the second modified oiling agent comprises an antistatic agent, a bundling agent and a moisture absorption friction increasing agent. According to the invention, the structural stability and antistatic property of the fiber are improved by controlling the condition parameters of pre-oxidation and optimizing the components and proportion of the first modified oil agent and the second modified oil agent, so that the spinnability of the cotton spinning pre-oxidized fiber is improved, and high-quality and large-scale cotton spinning processing of the pre-oxidized fiber is realized.