Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

853 results about "Microfiber" patented technology

Microfiber (or microfibre) is synthetic fiber finer than one denier or decitex/thread, having a diameter of less than ten micrometres. This is smaller than the diameter of a strand of silk (which is approximately one denier), which is itself about 1/5 the diameter of a human hair.

Preparation method of flame-retardant superfine fiber synthetic leather based on water decrement technology

The invention relates to the technical field of synthetic leather, in particular to a preparation method of flame-retardant superfine fiber synthetic leather based on a water decrement technology. The method comprises the following steps: dipping pretreatment of PET / PVA sea-island fiber non-woven fabric in a polyvinyl alcohol aqueous solution, synthesis of a modified polyurethane emulsion with fluorine-containing chain modified melamine coated ammonium polyphosphate as a flame-retardant component, multiple padding and water decrement treatment of a composite base material, and sizing finishing by adding a softening agent and an antistatic agent. Through application of fluorine chain modified melamine, dissolution of flame-retardant components in the water decrement process is effectively prevented, meanwhile, the quality of a carbonized layer is improved, and the flame-retardant efficiency is improved. The obtained superfine fiber synthetic leather has excellent flame retardance, good washing resistance and mechanical properties, comfort and high moisture permeability, and is suitable for clothing and special fields with high safety and durability requirements.
Owner:TIANSHOU FUJIAN SUPERFIBER TECH

Fibrous constructs with therapeutic material particles

Sheets of material used in medical devices and filters are disclosed. The sheets may include a fibrous mat including a plurality of microfibers. The microfibers may include a polymer matrix and a plurality of additive particles. The additive particles may include carbon material particles, therapeutic micro particles, and any combination thereof. Medical devices and filters that use the sheets are disclosed. Methods of producing the sheets are also disclosed.
Owner:MERIT MEDICAL SYSTEMS INC

Preparation method of insulating flame-retardant automotive interior microfiber material

The invention relates to the technical field of microfiber material preparation, in particular to a preparation method of an insulating flame-retardant automotive interior microfiber material, which comprises the following steps: spinning sea-island fibers by taking PA6 as an island component and LDPE as a sea component and matching with master batches; performing opening, carding, lapping, pre-needling by a pre-needling machine and needling by a needling machine on the sea-island fibers to prepare non-woven fabric; carrying out heat setting on the non-woven fabric; preparing insulating flame-retardant polyurethane slurry, infiltrating the heat-set non-woven fabric to enable the non-woven fabric to be fully impregnated, and then feeding the non-woven fabric into an aqueous solution of dimethylformamide to be subjected to water bath curing, so as to prepare a semi-finished synthetic leather product; extracting sea components in the sea-island fibers from the synthetic leather semi-finished product by adopting a stripping process; and drying the reduced superfine fiber synthetic leather base cloth, immersing the base cloth into a softening agent aqueous solution, and then carrying out drying and leather rubbing treatment to obtain the insulating flame-retardant superfine fiber leather. The product provided by the invention is used for external protection of an intelligent auxiliary driving steering wheel sensing layer, and the resistance of the microfiber material reaches 1.2 megohm or above.
Owner:SHANDONG TONGDA ISLAND NEW MATERIALS

Composite fiber

The utility model discloses a composite fiber which comprises a first component, a second component and a third component, the cross section, perpendicular to the length direction, of the composite fiber comprises a plurality of single-component areas and a plurality of separated double-component areas, and every two adjacent double-component areas are separated by a single-component area. The plurality of single-component areas are separated from one another or are connected with one another in the center of the cross section perpendicular to the length direction; the component of the single-component area is a third component, the component of the double-component area comprises a first component and a second component, the first component and the second component are arranged in parallel, the first component and the second component are respectively in contact with the third component, and the single-component area and the double-component area are detachably in contact connection; the composite fiber not only can be directly used, but also can be split into the superfine fiber and the single-component fiber with specific structures, and the elasticity, the glossiness and the strength such as the tearing strength of the superfine fiber are obviously improved at the same time.
Owner:JIANGSU ZHONGLU TECH DEV CO LTD

Positive pole piece, preparation method thereof and battery

The invention provides a positive pole piece and a preparation method thereof and a battery, the positive pole piece comprises a positive current collector and a positive material coated on the positive current collector, the positive material comprises a positive active material, a conductive agent, a liquid retaining agent and an adhesive, the liquid retaining agent comprises superfine fibers, the diameter of the superfine fibers is 400-900mm, and the superfine fibers are added, so that the conductivity of the positive pole piece is improved. The superfine fibers can be filled in the pores of the positive pole piece, and the pores inside the superfine fibers can absorb a large amount of electrolyte, so that the pores inside the superfine fibers are filled with the electrolyte, the electrolyte absorption and retention capabilities of the positive pole piece are greatly improved, and meanwhile, the free electrolyte is greatly reduced, so that the liquid loss after formation and degassing of the battery can be reduced, and the service life of the battery is prolonged. And the long-cycle capacity retention rate and the high-temperature storage capacity retention rate of the battery are improved.
Owner:ENVISION RUITAI DYNAMICS TECH (SHANGHAI) CO LTD +1

Spinning assembly

The utility model discloses a spinneret assembly, which comprises a distribution plate and a spinneret plate provided with spinneret orifices, the distribution plate comprises a first runner used for simultaneously introducing a first component and a second component into the spinneret orifices, and a second runner used for introducing a third component into the spinneret orifices; the number of the first flow channels and the number of the second flow channels are respectively multiple, every two adjacent first flow channels are separated by one second flow channel, the multiple second flow channels are mutually separated or the axial leads of the second flow channels are mutually intersected at the same point, and the orthographic projection of the first flow channels and the orthographic projection of the second flow channels are all located in the orthographic projection range of inlets of the spinneret orifices; the spinneret assembly can continuously and stably eject composite fibers with normal sizes and specific structures on the basis of three components, and superfine fibers with at least one excellent effect in the aspects of elasticity, glossiness, strength such as tearing strength and the like can be obtained by removing single-component fibers in the composite fibers.
Owner:JIANGSU ZHONGLU TECH DEV CO LTD

A continuous macro-preparation device and method of a soft and elastic ceramic ultra-fine fiber material

The application relates to a continuous macro-preparation device and method of a soft and elastic ceramic superfine fiber material, which sequentially comprises a feeding and liquid preparation system, a multi-jet uniform electrostatic spinning system, a low-temperature calcination system and a winding system. Raw materials are mixed, low-temperature dispersed and vacuum concentrated to obtain a sol; the sol and a polymer flow into a polymer mixing device to be mixed and bubble removed; the mixed sol flows into an inorganic component content control device to be pumped by negative pressure to obtain a spinning solution; the spinning solution flows into a multi-jet electrostatic spinning module to adjust and control the temperature, humidity and multi-directional differential speed during spinning to obtain a fiber membrane material or a fiber flake material; the fiber material is sequentially transmitted to a drying area, a microwave pretreatment area, a polymer removal area, an oxygen-poor atmosphere heat treatment area and a cooling area to be calcined in multiple temperature zones to obtain the soft and elastic ceramic superfine fiber material; and winding and packaging are realized to realize the continuous macro-manufacture of the soft and elastic ceramic superfine fiber material.
Owner:DONGHUA UNIV

Separation membrane supporting body with interlocking structure and preparation method of separation membrane supporting body

The invention belongs to the technical field of non-woven materials and membrane separation, and particularly relates to a separation membrane supporting body with an interlocking structure and a preparation method thereof.The method comprises the steps that firstly, low-crystallinity and sulfonation-modified superfine polyester fibers are introduced into compact layer slurry, and framework polyester fibers and polyester heat bonding fibers are introduced into framework layer slurry; then forming a double-layer wet net by utilizing a double-flow-channel wet-process net forming device, applying gradient increasing negative pressure on one side of the skeleton layer, and enabling the superfine fibers to migrate from the compact layer to pores of the skeleton layer in a controlled manner by virtue of a viscous dragging effect of directional high-speed water flow on the superfine fibers, so as to form a gradient transition interlocking interface layer; finally, plastic deformation of the low-crystallinity fibers and fusion welding of the bonding fibers are utilized, an interlayer structure is locked through segmented hot pressing of a rough pressing section and a fine pressing section, and then cooling shaping is conducted. The prepared separation membrane support has the advantages of excellent interlayer peel strength, ultralow surface roughness, high air permeability, wide adaptability and high safety of the preparation process.
Owner:YANTAI METASTAR SPECIAL PAPER +1

Mineral reinforced PC / PBT alloy material with dimensional stability and warping resistance and preparation method of mineral reinforced PC / PBT alloy material

The invention discloses a warp-resistant mineral reinforced PC / PBT alloy material with dimensional stability and a preparation method thereof, and relates to the technical field of polymer composite materials. The preparation method comprises the following steps: weighing polycarbonate, polybutylene terephthalate, ureido pyrimidone-polydimethylsiloxane, epoxy polyhedral oligomeric silsesquioxane, polyimide coated halloysite nanotubes, magnesium-aluminum hydrotalcite, perfluoroalkyl modified boron nitride nanosheets, liquid crystal polymer microfibers, modified PVA (Polyvinyl Alcohol) fibers and a silane coupling agent KH550 according to a ratio; the preparation method comprises the following steps: pre-mixing polycarbodiimide and a composite antioxidant to obtain a mixture, mixing, adding into a double-screw extruder, extruding and granulating, drying, carrying out injection molding, and standing at constant temperature and constant humidity to obtain the composite material. The invention has the significance of providing the PBT / PC alloy material with dimensional stability, warping resistance, low shrinkage rate, low hygroscopicity, creep resistance, impact resistance, arc resistance and chemical corrosion resistance for consumer-grade and industrial-grade underwater plastic parts.
Owner:NANJING YUEBEIST NEW MATERIALS TECH CO LTD

Fiber-reinforced aerogel composite material and preparation method thereof

The invention provides a fiber-reinforced silicon dioxide aerogel composite material, which is characterized in that a fiber felt formed by two kinds of glass fibers is used as a reinforcing material, one kind is hollow short fibers with the average diameter of 5.0-25 microns and the length of 0.5-2.0 mm, the other kind is superfine fibers with the average diameter of 0.6-5.0 microns and the length of 0.5-3.0 mm, and the difference between the average diameters of the two kinds of fibers is at least 3 microns. The fiber reinforced composite material provided by the invention has very strong mechanical properties and very low heat conductivity coefficient, and can exert excellent thermal insulation efficiency as a building thermal insulation material.
Owner:BEIJING BORUI JIE CHUANG TECH CO LTD

Nanofiber membrane as well as preparation method and application thereof

The invention relates to a nanofiber membrane and a preparation method and application thereof, the preparation method comprises the following steps: (1) mixing polyurethane, nano lanthanum oxide, a waterproof agent and a solvent to obtain a spinning solution; (2) performing electrostatic spinning on the spinning solution to obtain an electrostatic spinning membrane; and (3) spraying the after-finishing liquid on the electrostatic spinning membrane, and then carrying out heating treatment to obtain the nanofiber membrane. Polyurethane is stretched into superfine fibers through an electrostatic spinning technology, an ultrahigh porous membrane similar to a spider web is prepared, billions of nanopores are formed in per square centimeter of the porous membrane, so that the porous membrane has high air permeability and waterproof and moisture-permeable performance, fibers are bound through a fiber bonding point technology, and the fiber bonding point technology is adopted, so that the waterproof and moisture-permeable performance of the membrane is improved. Therefore, the fabric has excellent washing resistance. The nano lanthanum oxide heating functional particles are added, so that the nanofiber membrane is endowed with heating and heat storage functions, and the washing resistance of the fabric is further improved.
Owner:BOSIDENG DOWN WEAR LTD

Leather-imitated superfine fiber layered synthetic leather and production process thereof

The invention discloses leather-imitated superfine fiber layered synthetic leather and a production process thereof, and belongs to the technical field of synthetic leather. The production process of the synthetic leather comprises the following steps: carrying out superfine fiber alkali treatment and DMC / HEMAP / UV-1 monomer graft copolymerization modification; forming a fiber net by air laying and gradient needling; anionic water-based PU resin containing wood powder is used for impregnation reinforcement, and soft hydrolysis-resistant water-based PU resin is used for coating to form a porous surface layer; and performing wet solidification, bionic embossing, cationic dye dyeing and surface finishing to obtain a finished product. Through fiber modification, gradient structure, bi-component PU cooperation and process optimization, the problems that traditional synthetic leather is hard in hand feeling, poor in breathability, low in texture simulation degree, difficult to dye, weak in interlayer binding force and the like are solved, and the product has high simulation degree and excellent comprehensive performance and stability.
Owner:HUASHI(FUJIAN) SCI & TECH CO LTD

Aerospace electromagnetic shielding material based on modified polytetrafluoroethylene and preparation method thereof

The invention discloses an aerospace electromagnetic shielding material based on modified polytetrafluoroethylene and a preparation method, and belongs to the technical field of nano materials. The method comprises the following steps: by taking polytetrafluoroethylene dispersion resin as a matrix, adding an extrusion aid and carbon nanotubes, stirring, curing, pre-pressing to form a green body, pushing and calendering to prepare a base film, and drying, stretching and mechanically splitting to form a microfiber layer; meanwhile, the polytetrafluoroethylene, the conductive filaments and the conductive reinforcing agent are twisted to prepare a twisted layer; the microfiber layer serves as an outer layer, the twisted layer serves as an inner layer, an electromagnetic shielding layer is woven, finally, the electromagnetic shielding layer is soaked in shielding liquid, dried and subjected to hot press forming, and the electromagnetic shielding material is prepared. According to the material, by constructing a continuous conductive network, excellent electromagnetic shielding effectiveness and low resistance are achieved, and the requirements for light weight, high conductivity and electromagnetic interference resistance in the aerospace field are met. The process parameters are strictly controlled, it is ensured that the fiber structure and the conductivity are optimized, and the method is suitable for electromagnetic protection in the extreme environment.
Owner:ANHUI ZHONGWANG KEXIMENG TECH CO LTD

Modified flow-state solidified soil based on solid waste base and preparation method of modified flow-state solidified soil

The invention discloses modified flow state solidified soil based on a solid waste base and a preparation method of the modified flow state solidified soil. The stabilized soil comprises engineering residue soil, slag, cement, a water reducing agent, wollastonite microfibers subjected to surface modification by a silane coupling agent, an amide monomer, an initiator, an initiator promoter and an early strength agent. Through the synergistic modification effect of in-situ polymerization and wollastonite microfibers, the pressure resistance, crack resistance, toughness and the like of the solidified soil with high solid waste content and high fiber doping amount are remarkably improved. The preparation method is simple, low in cost, convenient to construct and suitable for industrial application.
Owner:ECONOMIC TECH RES INST STATE GRID HUNAN ELECTRIC POWER +2

Functional flocculus for improving microcirculation of human body and preparation method of functional flocculus

The invention provides a functional flocculus for improving microcirculation of a human body, which is formed by laying an upper layer fiber web, a middle layer fiber web and a lower layer fiber web, each of the upper layer fiber web and the lower layer fiber web comprises 30-40wt% of negative ion fiber, 30-40wt% of far infrared fiber, 5-20wt% of silicon fiber and 5-20wt% of low melting point fiber, the middle-layer fiber web comprises 40-60 wt% of magnetic fibers, 20-40 wt% of three-dimensional crimp hollow fibers, 10-20 wt% of antibacterial anti-mite fibers, 5-20 wt% of low-melting-point fibers and 5-20 wt% of superfine fibers. The invention further provides a preparation method of the functional flocculus for improving the microcirculation of the human body. Layered design is adopted, negative ion fibers, far infrared fibers, magnetic fibers and antibacterial and anti-mite fibers are used as main materials, superfine fibers, hollow fibers and three-dimensional crimped fibers are matched, a reasonable proportion is adopted, various fiber raw materials are carded into multiple layers of fiber webs, and the multiple layers of fiber webs are matched for use; the functional flocculus shows good heat preservation performance, air permeability and compression resilience, and meanwhile has an excellent function of improving microcirculation of a human body; belongs to the technical field of functional textiles.
Owner:SHANDONG ANRAN NANOMETRE IND DEV CO LTD

Rotary floor buffing pad with agitator insert

A floor cleaning / refurbishment pad that includes a support layer, the support layer having a central region and an outer peripheral edge defining an outer support layer dimension, a loft material layer overlaying the support material layer and connected thereto, the loft material composed of at least one loft material and the microfiber loft material layer having a height HL and an outwardly facing surface and an agitator / abrasive strip overlaying a portion of the support material layer and connected thereto, the agitator strip having a height HA and an outwardly facing surface.
Owner:TUWAY AMERICAN GROUP INC

Medical bio-based high-toughness waterproof breathable polyurethane film and preparation method thereof

The invention discloses a medical bio-based high-toughness waterproof breathable polyurethane film and a preparation method thereof. The film sequentially comprises a compact bottom layer, a reinforced breathable middle layer and a compact upper layer, the enhanced breathable middle layer is a melt-blown superfine fiber non-woven fabric; the compact upper layer and the compact bottom layer are antibacterial modified bio-based polyurethane film layers. The preparation method comprises the following steps: preparing antibacterial bio-based polyurethane slurry; coating a bottom layer; laying a middle layer; coating and compounding an upper layer; drying and hot-pressing shaping; and post-processing. The hydrostatic pressure resistance of the obtained film is gt; the HO is 75 cm, and the water vapor permeability is gt; the tensile strength gt is 4000 g / m.24 h; the tearing strength is gt; the antibacterial rate gt is 600 mN; the medical film integrates breathability, toughness and waterproofness, is excellent in comprehensive performance, and can meet the use requirements of the medical film.
Owner:JIANGSU HONGYUAN NEW MATERIAL TECH

Flame-retardant antibacterial scratch-resistant water-based resin microfiber flannelette and preparation method thereof

The invention relates to the technical field of microfiber flannelette, in particular to flame-retardant antibacterial scratch-resistant water-based resin microfiber flannelette and a preparation method thereof.The flame-retardant antibacterial scratch-resistant water-based resin microfiber flannelette comprises figured island superfine fiber non-woven fabric, reinforcing layers are arranged on the upper surface and the lower surface of the figured island superfine fiber non-woven fabric through polyurethane glue in an adhesive mode, and resin body layers are arranged on the outer surfaces of the reinforcing layers; the reinforcing layer is formed by warp knitting linen fiber yarns and aramid fiber yarns according to the weight ratio of 1: 1; the thickness of the figured island superfine fiber non-woven fabric is 0.4 to 0.5 mm; the thickness of the reinforcing layer ranges from 0.3 mm to 0.4 mm. And the thickness of the resin body layer is 0.2 to 0.3 mm. According to the flame-retardant antibacterial scratch-resistant water-based resin microfiber flannelette disclosed by the invention, the resin body layer, the reinforcing layer and the figured island superfine fiber non-woven fabric are symmetrically arranged up and down, so that the strength stability of the microfiber flannelette is optimized.
Owner:QUANZHOU ZHONGXIN MICROFIBER SCI & TECH CO LTD

Microplastic compactor and method of compacting microplastics

The invention relates to preventing microplastics from entering the environment. The invention is directed to filtering and compacting microplastics from any effluent, but in particular to filtering and compacting microfibers from the wastewater of washing machines and other appliances. However, the invention may also be applied in any industry where microparticles are generated, e.g. the industrial manufacture of textiles, or in treating roadside runoff, or where microparticles are handled, e.g. in Waste Water Treatment Plants. The invention is a compactor for automatically extracting and compressing microplastics from waste effluent, the compactor comprising; a chamber with an inlet; at least one plate within the chamber moveable between a non-compressing position and a compressing position, and a drive unit for driving the at least one plate; and a discharge outlet arranged to allow the automatic discharge of compressed microplastics.
Owner:INHERITING EARTH LTD

Hygienic Towel

A hygienic towel adapted to lay flat on unusually shaped gym equipment is provided. The towel comprises a moisture-wicking, absorbent and quick drying material such as microfiber treated with a wash-resistant antimicrobial solution to effectively inhibit the growth of bacteria and viruses on the material. The towel comprises a plurality of flaps extending from a top end that enable the towel to lay flat over the length of an exercise platform such as a Pilates reformer carriage, accounting in particular for shoulder blocks that generally protrude vertically from the carriage. The towel also comprises friction-increasing elements on its underside as well as a means for removably securing the towel to the exercise platform.
Owner:CHAVEZ CASEY

Rotatable brush for surface cleaning apparatus

A surface cleaning apparatus has a rotatably mounted brush. The brush has first and second microfiber pads separated by bristles.
Owner:OMACHRON INTELLECTUAL PROPERTY INC

Medical packaging box and preparation process

The invention discloses a packaging box special for medical treatment, and relates to the field of packaging boxes for medical treatment. The plant fiber composite material is prepared from the following raw materials in parts by weight: 80-95 parts of plant fiber slurry, 3-10 parts of chitosan, 5-15 parts of polylactic acid, 1-5 parts of nano silicon dioxide, 0.5-3 parts of an environment-friendly water repellent agent, 2-8 parts of reinforced fibers, 3-8 parts of a reversible moisture absorption phase change material and 0.1-0.5 part of a degradation indicating pigment. The plant fiber slurry is adopted as a bio-based framework, chitosan microfibers, polylactic acid, nano silicon dioxide, a reversible moisture absorption phase change material and other functional components are innovatively introduced, and an antibacterial trigger layer and degradation indication pigment on the inner surface are matched, so that the packaging box keeps good mechanical strength and structural stability, and meanwhile the packaging box has the advantages that the packaging box is not prone to deformation, and the service life is prolonged. And multiple functions of active on-demand antibiosis, dynamic humidity adjustment, visual degradation tracking and full bio-based degradability are achieved.
Owner:ZHEJIANG DELI PACKAGING CO LTD

Preparation process of anti-static polylactic acid superfine fiber fabric

The invention relates to the technical field of polylactic acid fibers, and discloses a preparation process of an anti-static polylactic acid superfine fiber fabric, star-shaped polylactic acid grafted carbon nanotubes are prepared from tetra (hydroxymethyl) phosphorus chloride, 2-amino-4, 6-dimethoxy-1, 3, 5-triazine and the like as raw materials, and the star-shaped polylactic acid grafted carbon nanotubes and polylactic acid slices are subjected to melt spinning to obtain the polylactic acid superfine fiber fabric; the star-shaped polylactic acid grafted carbon nanotubes have a structure similar to that of a polylactic acid matrix, so that the carbon nanotubes are uniformly dispersed in a polymer matrix and form relatively strong interface bonding, migration and precipitation are avoided, and the star-shaped polylactic acid grafted carbon nanotubes have anti-static durability; the structure of the superfine fiber fabric contains nitrogen and phosphorus synergistic flame-retardant elements, so that the exchange between a fiber matrix and oxygen and heat in the air can be blocked, and the flame-retardant property of the superfine fiber fabric is improved; the density of the fiber fabric can be increased by the formed cross-linked network structure, so that the mechanical property of the superfine fiber fabric is remarkably improved.
Owner:NANTONG JIEWANJIA TEXTILE CO LTD

Functional regenerated polyester-nylon composite superfine fiber and preparation method thereof

The invention discloses a functional regenerated polyester-nylon composite superfine fiber and a preparation method thereof, and belongs to the technical field of composite fibers. The fiber is of a core-skin structure, a core layer is made of modified regenerated polyester containing superfine graphite, polyethylene glycol and an antibacterial additive, and a skin layer is made of modified regenerated chinlon containing a chain extender, a silane coupling agent and an antibacterial additive; the preparation method comprises the steps of regenerated raw material ultrasonic cleaning, melting chain extension, modified melt preparation, composite spinning and post-treatment splitting. The single fiber linear density of the fiber is 0.142-0.150 dtex, the breaking strength is larger than or equal to 6.5 cN / dtex, the thermal decomposition temperature is larger than or equal to 345 DEG C, the antibacterial rate is larger than or equal to 99.2%, the specific surface area is larger than or equal to 15200 cm < 2 > / g, and the fiber is excellent in comprehensive performance and can be used in the field of high-end electronic dust-free cloth. And the utilization rate of regenerated raw materials is not less than 90%.
Owner:WEIFANG MEIKE NEW MATERIALS CO LTD

Bio-based degradable pearl wool microcellular foaming material

InactiveCN121249111APolymer scienceAdipic acid
The invention relates to the technical field of bio-based degradable high polymer materials, in particular to a bio-based degradable pearl wool microcellular foaming material. The composite material is prepared from the following components in parts by mass: 70-85 parts of a bio-based polyester resin composite system of polylactic acid and poly (terephthalic acid)-butylene adipate (in a mass ratio of 60: 40-75: 25), 10-20 parts of bagasse microfibers modified by a silane coupling agent, 1.5-4 parts of a composite nucleating agent of flaky talcum powder and spherical nano calcium carbonate (in a mass ratio of 1.5: 1-2.5: 1), the bio-based plasticizer is prepared by compounding epoxidized soybean oil and tributyl citrate, the montmorillonite degradation accelerant is loaded with iron and cobalt ions (the molar ratio is 3: 1-5: 1), and the mixed foaming agent is prepared from 5-12 parts of supercritical carbon dioxide and nitrogen (the volume ratio is 60%-85%). A bio-based polyester composite system of polylactic acid and PBAT is adopted, silane modified bagasse microfibers are matched, montmorillonite loaded with iron and cobalt ions serves as a degradation accelerant, a bio-based plasticizer and the like are combined, and the composite material is prepared through a twin-screw extrusion melt blending and supercritical fluid foaming technology.
Owner:NANTONG KANGJI PACKAGING PRODUCTS CO LTD

High-temperature-resistant lithium battery diaphragm with directionally arranged glass fibers and preparation method of high-temperature-resistant lithium battery diaphragm

The invention relates to the technical field of lithium ion batteries, in particular to a high-temperature-resistant lithium battery diaphragm with directionally arranged glass fibers and a preparation method of the high-temperature-resistant lithium battery diaphragm. The method comprises the following steps: firstly, removing impurities such as an infiltrating agent from glass fiber yarns in a 285-400 DEG C heating mode or an ultrasonic washing mode, then uniformly arranging 5-10 microns of glass fiber yarns into a longitudinal glass fiber net at an interval of 1-5 microns in a warping mode, and transferring the longitudinal glass fiber net to a melt-blowing station; transversely spraying PE or PP to the surface of the fiber net through a spinneret plate to form a superfine fiber network, and compounding through a hot pressing roller to obtain glass fiber melt-blown cloth; coating PP / PE / ceramic / aramid fiber / PVDF slurry on the melt-blown cloth, and heating and drying to form a 3-5 micron coating; and carrying out high-temperature hot pressing at 120-160 DEG C for 10-30 seconds, rolling and flattening, and slitting to obtain a finished product. According to the diaphragm, the high temperature resistance and the mechanical strength of the lithium battery diaphragm are remarkably improved through combination of oriented glass fiber reinforcement and a spray melting process, and the requirement of a lithium ion battery on the high temperature resistance of the diaphragm is met.
Owner:HUZHOU CHUANYI SANTAI NEW MATERIALS CO LTD

An apparatus for generating energy through a salinity gradient using a membrane based on cross-linked cellulose fibers

The present invention relates to a device for generating electrical energy, comprising: a) a first reservoir A (20A) for receiving an electrolyte solution (22A) having a solute concentration of C A and comprising an electrode (30A) in contact with the electrolyte solution having a concentration of C A ; b) a second reservoir B (20B) for receiving an electrolyte solution (22B) having a concentration of C B of the same solute, C B being lower than C A and comprising an electrode (30B) in contact with the electrolyte solution having a concentration of C B ; c) a membrane (10) separating the two reservoirs, the membrane comprising pores to allow the electrolyte to diffuse from reservoir A to reservoir B through the pores; and d) a device (32) capable of supplying electrical energy generated by a potential difference existing between the two electrodes, characterized in that the membrane comprises at least one layer formed of a cellulose material and comprising a network of crosslinked cellulose nanofibers and / or microfibers.
Owner:SWEETCH ENERGY

Soft kettle bell

The utility model relates to the technical field of sports equipment, and provides a soft kettle bell which comprises a PU shell, a through hole, a base, a handle and a protection assembly, the PU shell is provided with the through hole, the through hole is rotatably connected with a matched connecting cover, the handle is connected to the PU shell, the base is arranged at the bottom of the PU shell, and the outer surface of the PU shell is wrapped with the protection assembly; the protection assembly comprises fiber gridding cloth, anti-collision cotton and microfiber leather, one side of the fiber gridding cloth is bonded on the PU shell, the other side of the fiber gridding cloth is bonded with the anti-collision cotton, and the microfiber leather is bonded on the anti-collision cotton. According to the integrated lifting handle, the stability and firmness of the overall structure are effectively enhanced, and the overall service life is prolonged; the detachable handle can be quickly replaced and is convenient and practical; the gripping comfort can be effectively improved by matching with an anti-skid pad; the stability of the whole structure is enhanced through the base, placement is convenient, and rolling is prevented; the pressure resistance, wear resistance and flexibility of the structure are achieved through the protection assembly, and the service life is prolonged.
Owner:RUDONG FENGLI MASCH WORKS

Cosmetic products, method of production and use thereof

The present invention falls within the field of polymeric materials based on ultrafine fibres applied to the cosmetics sector, the invention relating to the method and application for manufacturing high-cosmetic-efficiency solid products in sheet format, manufactured by means of electro-hydrodynamic processing techniques, aero-hydrodynamic processing techniques, or any combination thereof.
Owner:BIOINICIA SL +1