31 results about "Fiber matrix" patented technology

The utility model discloses a kind of plant fiber polishing grinding wheel, including polishing grinding wheel, abrasive composite layer and fiber framework layer;The surface central position of polishing grinding wheel is provided with through-hole;Abrasive composite layer is arranged in the inside of polishing grinding wheel, and the bottom of abrasive composite layer is provided with base layer;The utility model is by stress dissipation layer using alternate layer design of bottom layer, transition layer and working layer, different fiber direction or material lamination, impact load and centrifugal stress in the process of polishing and grinding can be effectively dispersed, reduce structural cracking risk;By abrasive composite layer using bottom layer, transition layer, working layer, three layers of wear-resistant structure design, by material performance complement, bottom layer high cohesive strength, transition layer stress buffer, make the wear life of polishing and grinding wheel than traditional single-layer structure has somewhat improved;By the plant fiber matrix of working layer endows abrasive composite layer with "flexible grinding" characteristics, can be attached to stainless steel pipe material, sheet complex curved surface, improve processing precision stability.

Metal-based hydrogen storage fibers capable of selectively absorbing and desorbing / releasing hydrogen gas, and hydrogen storage vessels comprising the fibers, wherein the fibers are preferably arranged in a fabric. The fabric is a porous structure with a large surface area, which is well suited for hydrogen storage and transport. A hydrogen storage system is provided with attractive properties. Hydrogen storage in metal hydride fibers provides a compact and safe method of hydrogen storage, wherein hydrogen molecules in the gas phase can be adsorbed on the surface of the fibers, thereby forming metal hydrides, or dissociated into individual hydrogen atoms, which can further diffuse into the bulk of the metal hydride fiber and occupy sites in the metal hydride fiber matrix.

The application discloses a kind of composite nanofiber face masks and preparation method thereof, belong to skin care product technical field, composite nanofiber face mask includes fiber matrix and plant source active ingredient, plant source active ingredient includes one or more of rice bran extract, aloe extract and green tea polyphenol, fiber matrix includes polyvinyl alcohol and silk fibroin, the mass ratio of plant source active ingredient and fiber matrix is 10-18:100.The application uses the above-mentioned one kind of composite nanofiber face mask and preparation method thereof, and plant source active ingredient containing natural antibacterial component is physically embedded and dispersed in fiber interior or fiber network, relies on dry state storage and physical stabilization process, it is helpful to improve the dry state storage stability of product, and reduces the dependence on traditional preservative system.

This invention discloses a skin-friendly, hypoallergenic composite functional fiber, its preparation method, and its applications, relating to the field of functional textile materials technology. This invention utilizes transglutaminase (TG enzyme) to catalyze the formation of transamide covalent complex macromolecules from chitosan and gelatin, collagen, or collagen hydrolysates. These macromolecules are then blended with spinning dosing and introduced in situ into the fiber matrix through a spinning process. This ensures the functional components are uniformly distributed across the fiber cross-section and surface, forming a continuous, stable, and biocompatible skin-friendly protective film on the fiber surface. Through application, structural, and process innovations, this invention solves the problems of poor wash resistance, easy functional loss, and skin irritation in traditional hypoallergenic textiles. The resulting fiber exhibits long-lasting allergen adsorption, hypoallergenic skin-friendliness, antibacterial and soothing properties, and high wash resistance, making it suitable for intimate apparel, baby products, home textiles, and medical protective textiles.

This invention relates to the field of vehicle interior materials technology, specifically disclosing a heat-insulating and antibacterial interior material and its preparation method. The material, by weight, consists of 1-3 parts plant fiber matrix, 0.1-0.2 parts sorrel, and 1-2 parts solvent. The plant fiber matrix is ​​mainly composed of mugwort floss, and loofah sponge can be added to optimize its performance. The solvent is plant hydrosol or liquid plant extract, which must have sorrel-dissolving ability and a water content ≥80%. This invention utilizes a specific process to allow sorrel to fully penetrate the microporous structure of the plant fiber matrix, achieving multiple functions including highly efficient antibacterial properties, formaldehyde purification, and intelligent temperature and humidity regulation. The material significantly improves cabin air quality and driving comfort, and is environmentally friendly, weather-resistant, and has a simple and controllable preparation process, making it suitable for large-scale production.

The application discloses a self-powered electroactive dressing with a wound repair function and a preparation method and application thereof, and belongs to the technical field of medical devices. The electroactive dressing comprises a zinc-molybdenum primary battery structure and three layers of functionalized nanofiber scaffolds. The scaffold takes gelatin-polycaprolactone as a fiber matrix, sequentially loads zinc nanoparticles, icariin and molybdenum nanoparticles to form a functional layer, and is prepared through EDC / NHS cross-linking modification. The electroactive dressing has good mechanical properties and biocompatibility, can be minimally invasively implanted in a wound site, spontaneously generates a continuous and stable microelectric field through the zinc-molybdenum primary battery, and cooperatively realizes gradient-controlled release of icariin from burst release to sustained release, so that the effects of promoting fibroblast proliferation and migration and promoting rapid wound healing are achieved. The dressing has the advantages of simple preparation process, low cost, active regulation of a wound microenvironment, mild and controllable degradation, safety, no toxic side effects, and a very good application prospect.

The application discloses an antibacterial and anti-ultraviolet functional composite fiber preparation method, system, equipment and medium, and particularly relates to the technical field of textile materials, and comprises the following steps: preparing surface-modified nano-silver antibacterial master batches and surface-modified nano-zinc oxide anti-ultraviolet master batches; after the fiber matrix resin is melted, the fiber matrix resin is divided into three melt flow paths; an antibacterial agent concentration continuously decreasing and an anti-ultraviolet agent concentration continuously increasing reverse gradient melt is prepared through online dynamic gradient mixing; then, the reverse gradient melt is formed into a skin-core structure with an antibacterial gradient outer layer, an anti-ultraviolet gradient intermediate layer and a pure matrix core layer through coaxial three-layer composite spinning; finally, the gradient distribution is fixed through gradient side-blowing air cooling, multi-stage stretching and constant-tension heat setting, so that the antibacterial and anti-ultraviolet functional composite fiber is obtained. The application solves the problem of mutual antagonism of functional components, and the prepared fiber has long-acting antibacterial and high-efficiency anti-ultraviolet performances.

A fiber matrix includes a plurality of input terminals, a plurality of output terminals, and a controller. A first input terminal of the plurality of input terminals receives an optical signal having a specified transmission rate from an optical transmitter, wherein the optical transmitter corresponds to a first video standard. The plurality of output terminals includes a first output terminal. A correspondence is configured between the first input terminal and the first output terminal, and the controller switches the first input terminal to the first output terminal in accordance with the correspondence, wherein the first output terminal is configured to output the optical signal from the first input terminal to an optical receiver, wherein the optical receiver corresponds to a second video standard.

The application discloses a kind of composite short fibers for air filter, comprising: fiber matrix, the fiber matrix is made of first polymer;The surface of fiber matrix is equipped with multiple recessed grooves;Two recessed grooves between adjacent form protruding rib part;The top of protruding rib part is covered with low melting point layer, the low melting point layer is made of second polymer;The melting point of first polymer is higher than the melting point of second polymer by 40-100 DEG C.The application leaves larger pore and filter area for filter material, so that the filter material can obtain high porosity, and has low damping and resilience and rigidity.Meanwhile, the three-lobed main body in three-lobed cross section is mixed with antibacterial material, which gives the fiber long-term safe broad-spectrum antibacterial, antiviral, mildew-proof, odor-removing function.

The application discloses a kind of multifunctional composite fabric based on gradient pre-oxidized yarn and its preparation method, belong to functional textile material technical field.The present application aims at solving the problems of poor mechanical properties, single function and difficulty in effectively integrating electromagnetic shielding and infrared stealth of traditional pre-oxidized yarn fabric.The scheme realizes the integration of mechanical properties, electromagnetic shielding and infrared stealth through the synergistic design of gradient pre-oxidation process and in-situ composite of functional filler, builds gradient structure with increasing cyclization degree in the fiber, and in-situ composites carbon nanotubes and nano zinc oxide in the fiber matrix, realizes the integration of mechanical properties, electromagnetic shielding and infrared stealth.The obtained fabric has high efficient X-band electromagnetic shielding efficiency and excellent infrared stealth performance.The scheme has clear process parameters, strong designability, has the potential of large-scale production, and can be widely used in special protective clothing, military camouflage equipment and electronic equipment shielding fields.

The invention relates to an electrically insulating, plate-shaped frame (1) comprising a frame base body (1a) with a top (1b) and a bottom (1c), for use in a stacked electrochemical system (10), comprising - several frame openings comprising a central opening (1') and several media passage openings (2) arranged around a circumference of the central opening (1'), - at least one ring-shaped seal (8, 9) on the top (1b) and bottom (1c) of the frame base body (1a), wherein each seal (8, 9) surrounds at least one of the frame openings, wherein - the frame base body (1a) is formed from a non-metallic fiber matrix semi-finished product (3), which is at least partially embedded in an overmolding (4) made of plastic, wherein individual surface areas of the fiber matrix semi-finished product (3) are arranged in at least two different layer planes (S1, S2, S3) of the frame base body (1a) that are spaced apart from each other, and wherein the frame base body (1a) forms a step (ST) between the top (1b) and the bottom (1c) adjacent to the central opening (1a).

This application discloses a nonwoven fabric, a method for preparing the nonwoven fabric, and a mouth-held product. The nonwoven fabric is used in the mouth-held product and includes a fiber matrix, a first adhesive, and a second adhesive. The first adhesive is aminopolysaccharide-organic acid gel particles. By adding aminopolysaccharide-organic acid gel particles as the first adhesive to the fiber matrix of the nonwoven fabric, the filling of fiber pores can be reduced while achieving inter-fiber bonding and fixation, resulting in a higher initial porosity of the nonwoven fabric. Furthermore, the aminopolysaccharide-organic acid gel particles slowly swell upon contact with saliva, which can expand the fiber gaps and further increase the porosity during use. This facilitates rapid saliva penetration into the nonwoven fabric, allowing active ingredients and flavor substances to be released from the initial stage of use, thereby improving the user experience.

The application relates to the field of biological fertilizers, and particularly discloses a biomass-based slow-release biological fertilizer and a preparation method thereof. The biomass-based slow-release biological fertilizer comprises raw materials: a chemical fertilizer component, a functional fiber matrix, an inorganic cementing material, a composite synergist, a microbial agent and a chelating agent. The inorganic cementing material comprises solid-phase reactants and liquid-phase reactants in a mass ratio of 1-3:1. The solid-phase reactants and the liquid-phase reactants are used as the inorganic cementing material, a low-temperature chemical self-curing system is adopted, a firm crystal network is generated through in-situ reaction of the inorganic cementing material under mild conditions of 15-40 DEG C, the fertilizer particles are endowed with a mechanical strength of 8N or more, and powdering and transportation damage are effectively avoided. Meanwhile, the whole preparation process is low-temperature, and the activity of the microbial agent is ensured from being damaged, and the survival rate of the microbial agent is as high as 89% or more.

This invention discloses a highly absorbent, low-pilling recycled polyester fiber and the blended yarn prepared therefrom, belonging to the technical field of polyester fiber materials. It addresses the technical problem that the absorbency, mechanical strength, and anti-pilling properties of recycled polyester fibers and their blended yarns in the prior art need further improvement. The recycled polyester fiber comprises a recycled fiber matrix and a functionalized layer on the surface of the matrix. This invention involves introducing sodium isophthalic acid-5-sulfonate, adipic acid, and esterified polyether into the polyester backbone, which then interacts with epoxy activated particles. A hydrophilic interface layer rich in polar groups is formed on the fiber surface through dopamine coating and glycidyl ring-opening reaction. The recycled polyester fiber is then blended with modal fiber, effectively improving not only the absorbency, moisture diffusion, and evaporation properties of the blended yarn, but also its tensile properties and anti-pilling properties.

This invention discloses a water-absorbing and antibacterial carboxymethyl cellulose fiber fabric-based medical dressing, comprising carboxymethyl modified lyocell fiber fabric and an antibacterial component loaded therein. The carboxymethyl modified lyocell fiber fabric is obtained by sequentially subjecting the lyocell fiber fabric to etherification-deep eutectic solvent pretreatment, followed by alkalization treatment. The antibacterial component is loaded into the carboxymethyl modified lyocell fiber fabric matrix by loading an antibacterial liquid and then performing ionic crosslinking to achieve loading within the carboxymethyl modified lyocell fiber matrix. This invention effectively avoids problems such as pore blockage that can easily occur with antibacterial agent loading, while imparting high moisture absorption, moisturizing and antibacterial properties to the material, effectively maintaining the original fiber morphology and network structure. It combines strong water absorption, high antibacterial properties, and good mechanical properties, making it widely applicable.

This application discloses a method for preparing paraffin-modified aluminosilicate ceramic fiber cotton, belonging to the technical field of ceramic fiber materials. The invention uses maleic anhydride grafted onto modified paraffin to introduce anhydride groups; it uses yttrium oxide-doped zirconium oxide nanopowder at a molar ratio of 3-8% to eliminate the phase transition volume effect; and it activates the fiber surface using silane coupling agents KH-550 or KH-560 to form amide bonds covalently between the paraffin and the fiber. The preparation process involves first preparing modified paraffin and YSZ, then melting and spinning them into fibers to obtain the fiber matrix. After surface activation, the matrix is ​​impregnated in a paraffin emulsion and dried and cured. The resulting fiber cotton exhibits a paraffin bonding strength ≥90%, a water absorption rate ≤5.0%, and exhibits no cracking or powdering after 50 cycles of thermal cycling from -20℃ to 800℃. It also withstands 10 washes with a residual rate ≥90%, demonstrating excellent moisture resistance, durability, and thermal shock resistance.

This invention discloses a Ti-13X@GO / TPU composite fiber for wastewater decolorization and its preparation method, belonging to the field of environmental functional materials technology. The composite fiber consists of a thermoplastic polyurethane fiber matrix and Ti-13X@GO composite filler dispersed therein. The Ti-13X@GO composite filler is a composite formed by electrostatic self-assembly of titanium-doped 13X molecular sieve nanocrystals after surface modification with cetyltrimethylammonium bromide and graphene oxide. The preparation method includes: steam-assisted crystallization to synthesize Ti-13X molecular sieve nanocrystals, CTAB surface modification, ultrasonic exfoliation of graphene oxide, electrostatic self-assembly to prepare Ti-13X@GO composite powder, and wet spinning. This invention imparts positive charge to molecular sieves through CTAB modification, which electrostatically binds with negatively charged graphene oxide, effectively improving the dispersibility and interfacial compatibility of the filler in the TPU matrix. The resulting composite fiber has both highly efficient adsorption-photocatalytic synergistic decolorization performance and good mechanical flexibility, making it easy to separate and recover from wastewater and reusable. It has good application prospects in the field of dye wastewater decolorization treatment.

Antimicrobial Material which is a wound care material comprising: a flexible polymer foam or fibre matrix comprising a wound facing face and a reverse face or two wound facing faces and therebetween a structural matrix defining a cell network of cells, and a powder charge comprising a wound dressing additive, wherein said powder charge is comprised at said wound facing face or said reverse face and within said cell network, wherein said powder charge is within said cell network in diminishing amount with increasing depth within said cell network, and wherein more than 50% of the powder charge is present within 0.8 mm from a surface of the flexible polymer foam or fibre matrix, wherein said power charge comprises flowing agent and / or bulking agent and / or binder and wherein said additive and / or flowing agent is co-located with said bulking agent and / or said binder; devices comprising said material, methods for manufacture thereof comprising assembling said matrix and said powder charge, and use thereof. -106- 21014240_ (GHMatters) P112744 AU.1 20 24 20 55 94 07 A ug 2 02 4 A B S T R A C T 2 0 2 4 2 0 5 5 9 4 0 7 2 0 2 4 A u g - 1 0 6 -

The application discloses a multistage gradient biomimetic coupling composite diaphragm and a preparation method thereof, and relates to the technical field of lithium battery diaphragms. The composite diaphragm comprises a biomimetic interwoven composite fiber matrix, a multistage gradient microporous structure and double-sided atomic-level modification coatings; the multistage gradient micropores are arranged in layers along the thickness and are adapted to the multistage gradient biomimetic composite positive and negative electrodes in a mirror image mode; the biomimetic interwoven matrix improves the mechanical stability, and the double-sided ALD coatings are respectively adapted to the positive and negative electrode interfaces to inhibit side reactions and lithium dendrite growth. The application solves the technical problems of poor matching, high interface impedance and insufficient mechanical stability of the existing diaphragm homogeneous structure, is suitable for multiple types of lithium battery systems, improves the fast charging capability, safety and reliability and cycle life of the battery, and has extremely high industrialization and patent application value.

This application provides a modified fiber containing a rare earth composite system, its preparation method, and a composite material. The modified fiber includes a fiber matrix and a rare earth composite system, wherein the rare earth composite system is dispersed on the surface and / or inside the fiber matrix, and the rare earth composite system includes functional components. The mass ratio of the fiber matrix to the functional components is 1:(0.005-0.05). The functional components include first-class rare earth elements, second-class rare earth elements, and third-class rare earth elements. The first-class rare earth elements include at least one of Nd and La, the second-class rare earth elements include at least one of Ce and Tb, and the third-class rare earth elements include at least one of Gd and Y. The ratio of the first-class, second-class, and third-class rare earth elements is (1.8-3.2):(1.4-2.1):1. This application can effectively improve the mechanical properties of the modified fiber, optimize its high-temperature stability, and simultaneously achieve multifunctional integration, enabling the modified fiber to possess heat insulation, low dielectric, and antistatic functions.

The present application provides a kind of phase change composite fiber, its production method, fabric and the production method of composite fabric.The phase change composite fiber includes core layer and skin layer, core layer includes fiber matrix one and phase change microcapsule, fiber matrix one includes polymer with amino group and / or amide group, phase change microcapsule includes phase change material and shell for wrapping phase change material, shell includes compound with siloxyl group.The present application forms the composite of fiber matrix one and phase change microcapsule as core layer raw material, after the melt extrusion of core layer raw material and skin layer raw material respectively, by skin-core composite spinning process, phase change composite fiber is made.Amino group and / or amide group in fiber matrix one can form hydrogen bond with the siloxyl group of compound in the shell of phase change microcapsule, and the load stability of phase change microcapsule is improved, and then the durability of temperature regulating function is improved.

This invention provides a microbial fiber matrix purifier that integrates a bag-type fiber biological filtration matrix with a simultaneous nitrification and denitrification mechanism, offering the triple advantages of simplified structure, high-efficiency decontamination, and resource recycling. It utilizes modified plastic fiber bags to simultaneously complete physical filtration, biological reaction, and microbial membrane treatment, completely replacing vertical flow sedimentation tanks, microfilters, protein separators, and biological fluidized beds, thus reducing equipment investment. The bottom backflushing design of the central inlet pipe fluidizes the waste within the bag, and combined with targeted control through microbial-carbon coupling, it decomposes large organic molecules into bioflocs that can be ingested by fish, resulting in a high resource utilization rate of uneaten feed and feces. Simultaneously, it eliminates high-energy-consuming equipment, reducing system energy consumption. It can operate independently in land-based factory aquaculture to achieve a "zero-emission" carbon sequestration fishery model, or serve as a pre-treatment unit for existing RAS systems or a deep treatment module in wastewater treatment plants, significantly reducing the load on subsequent ecological ponds and promoting the reuse of aquaculture wastewater that meets standards.

This utility model relates to the field of ceramic fiber heat-resistant board technology, and more particularly to an environmentally friendly ceramic fiber heat-resistant board, comprising a fiber matrix layer, a ceramic fiber board, a reinforcing layer, a ceramic fiber felt, and a surface coating. The fiber matrix layer includes an intermediate layer, with an upper surface layer and a lower surface layer fixedly connected to the upper and lower surfaces of the intermediate layer, respectively. The reinforcing layer, ceramic fiber felt, and ceramic fiber board are sequentially fixedly connected to the upper and lower ends of the fiber matrix layer. The surface coating is applied to the surface of the ceramic fiber board. The reinforcing layer includes a surrounding panel, with mortises on all four inner walls of the surrounding panel, into which tenons are engaged. Transverse reinforcing rods are fixedly connected between corresponding tenons on the left and right sides of the surrounding panel, and longitudinal reinforcing rods are fixedly connected between corresponding tenons on the front and rear sides of the surrounding panel. The unique design of the reinforcing layer of this utility model greatly enhances the overall strength of the board, reduces the risk of deformation and damage, improves the toughness of the board, and effectively blocks heat transfer, meeting the environmental protection requirements of modern society.

A fibrous structure including one or more nonwoven material layers comprising a fiber matrix, where the fiber matrix comprises polymeric binder fibers having a softening and / or melting temperature of about 190° C. or greater, where the article is adapted to withstand temperatures of about 190° C. or greater while in use; and where the article is a thermoacoustic insulation material.

This invention relates to a conductive fiber composite material, its preparation method, and its applications. The conductive fiber composite material includes an insulating fiber matrix and a continuous conductive layer coating the insulating fiber matrix. The conductive layer is a three-dimensional conductive network with a gradient distribution, constructed from graphene oxide, reduced graphene oxide, and carbon nanomaterials. The preparation method of the conductive fiber composite material mainly includes: impregnation and etching treatment of the insulating fiber surface; graft modification treatment of the etched insulating fiber surface; and construction of the conductive layer on the graft-modified insulating fiber surface. The preparation method of this invention is simple, uses mild conditions, and is easy to scale up and customize in terms of structure. The provided conductive fiber composite material has high mechanical durability and exhibits good and stable linear resistance-temperature change response characteristics and resistance-pressure response characteristics over a wide temperature or pressure range, showing promising application prospects in structural health and safety testing.

The application discloses a dandelion biomimetic self-suspension self-repair pressure differential activated plugging agent and a preparation method, and belongs to the technical field of oil and gas well sealing. The dandelion biomimetic self-suspension self-repair pressure differential activated plugging agent comprises the following components: a high-molecular non-crosslinking polymer, deionized water, an activator, a defoaming agent, a terminator, a self-repair fiber forming agent and a self-suspension bridging fiber core. The application is based on the principle that dandelions can efficiently float in fluid, and the surface of the high-molecular non-crosslinking polymer attached to the high-strength fiber matrix core is dynamically crosslinked by metal cations to generate a fiber filament structure with a self-repair surface, thereby significantly improving the self-suspension capability of the pressure differential activated plugging agent. Meanwhile, the ion crosslinking bonds on the surface constructed by the self-repair fiber forming agent further improve the plugging strength and self-repair capability, and the plugging agent can be applied to plugging conditions with higher pressure differentials of leakage points.

The application belongs to the field of polymer films. The application relates to controllable bio-based degradable mulching film for rice and a preparation method thereof. The material comprises the following raw materials in parts by weight: PBAT resin 70-90 parts; functionalized bamboo fiber 5.0-10.0 parts; modified filler 5-20 parts; black master batch 3.0-5.0 parts; light stabilizer 0.2-0.3 parts; antioxidant 0.2-0.5 parts; lubricant 0.1-0.2 parts; hydrolysis inhibitor 0.5-1.0 parts; wherein the functionalized bamboo fiber comprises a bamboo fiber matrix and a metal-organic ligand functional layer-coupling functional layer loaded on the surface and / or pores thereof; the above raw materials are blended and blown into films to effectively solve the problem that the existing mulching film has controllable degradation and high-efficiency weeding (under the premise of reducing or not using herbicides) at the same time, and effectively promote the construction of ecological agriculture.

The utility model discloses a dense mesh for tunnel overbreak disposal, include: polymer nanometer fiber matrix layer, cementing layer and nap layer, the polymer nanometer fiber matrix layer is net structure, the bottom surface of cementing layer is connected in the surface of polymer nanometer fiber matrix layer, the nap layer includes the intensive distribution's nanometer grade particle, and the nanometer grade particle is embedded in the cementing layer, and can protrude on the surface of cementing layer and form the protruding structure. Have corrosion resistance, can realize better net effect, prevent the drop.