451 results about "Viscose fiber" patented technology

The invention discloses environment-friendly high-barrier packaging paper and a preparation method thereof, and belongs to the technical field of paper product manufacturing. The method comprises the following steps: dispersing bleached sulfate softwood pulp in an aqueous solution of TEMPO and NaBr, adding a NaClO solution, adjusting the pH value, carrying out a reaction, washing the product obtained by the reaction, and carrying out high-pressure homogenization to obtain TEMPO oxidized nanocellulose (TOCNF); mixing the bleached sulfate softwood chemical pulp, hardwood pulp and viscose fibers, pulping, papermaking and the like to obtain original paper; then, TOCNF and waterborne epoxy modified acrylic emulsion are mixed, and a mixed coating is prepared; and finally, coating the surface of original paper with the coating according to a certain mass ratio, and carrying out hot-pressing curing to obtain the environment-friendly high-barrier packaging paper. The packaging paper is excellent in mechanical property, high in barrier property, good in surface uniformity and printing property, environment-friendly and degradable in raw materials, simple to prepare and low in cost.

The invention provides a viscose large biological fiber with an anti-allergy function and a preparation method thereof, and belongs to the field of viscose fibers. The preparation method of the viscose large biological fiber with the anti-allergy function comprises the following steps: preparing a molecular nest, preparing modified gel, coating and forming, preparing a spinning solution, and spinning and forming. According to the preparation method of the viscose large biological fiber with the anti-allergy function, the problem that the activity and the stability of adopted plant active ingredients are reduced due to the fact that the adopted plant active ingredients are affected by process environments, solvent ingredients and the like can be solved; meanwhile, the release characteristic of the plant active ingredients in the viscose fibers can be regulated and controlled according to needs, so that the plant active ingredients are released in a large dose within a short time or slowly released in a small dose within a long time, and then emergent repair or long-acting allergy relief of skin allergy areas is achieved.

The invention relates to the technical field of preparation of viscose fibers, in particular to a preparation method of viscose fibers based on wormwood essential oil / paraffin double-layer microcapsules, which comprises the following preparation steps: S1, preparing the wormwood essential oil / paraffin double-layer microcapsules; s2, preparing a microcapsule spinning solution; s3, spinning and forming. According to the invention, the wormwood essential oil is coated in the double-layer microcapsule, so that the natural antibacterial property of the wormwood essential oil is fully exerted. Main active components (such as eucalyptol and flavonoid compounds) of the wormwood essential oil are continuously released through a microcapsule slow release mechanism, and growth of common pathogenic bacteria such as escherichia coli and staphylococcus aureus is remarkably inhibited. Meanwhile, due to the double-layer structure (the polyurethane inner shell and the polyurea outer shell) of the microcapsule, volatilization and oxidation of the wormwood essential oil in the spinning process are effectively avoided, and the long-acting antibacterial effect is ensured.

The invention provides a viscose aerogel fiber with a skin-core structure and a preparation method and application thereof.The viscose aerogel fiber comprises a skin layer and a core layer, the raw materials of the core layer comprise mesoporous silica, a two-dimensional nano material and viscose A. The raw materials of the skin layer comprise a silane coupling agent and viscose B, through the design of the components of the skin layer and the core layer and the regulation and control of the structures, on the premise that the flexibility and the spinnability of the viscose fiber are kept, the obtained viscose aerogel fiber can have both high heat insulation property and excellent mechanical stability.

The invention discloses a regenerated cellulose fiber based on gel spinning and a preparation method and application thereof, and belongs to the technical field of bio-based high performance. The preparation method comprises the following steps: activating a cellulose raw material with water / DMAc double solvents, and dissolving the activated cellulose raw material in a LiCl / DMAc system to form a spinning solution with the concentration of 5-15wt%; the solution is extruded out of a methanol coagulating bath with the temperature lower than the spinning solution gel point through a gel spinning technology, and the drafting rate is larger than or equal to 5 times; the nascent fiber is subjected to solvent replacement, washing and drying, and the regenerated cellulose fiber is obtained. The tensile strength of the prepared regenerated cellulose fiber reaches 664 MPa (2.2 times of that of viscose), and the elastic modulus is 41 GPa; the fiber roundness index is 0.80, and the surface smoothness Ra is less than or equal to 0.1 mu m (SEM verification); and the raw material cost is reduced by 30%.

The invention discloses a method for preparing viscose fiber from alkali-soaked hemicellulose, and relates to the technical field of viscose fiber production and preparation, and the method comprises the following steps: sequentially carrying out multi-stage filtration and twice nanofiltration membrane filtration on alkali liquor squeezed from slurry porridge, and separating out high-concentration hemicellulose alkali liquor; after cellulose xanthate is generated through a xanthating machine reaction, high-concentration hemicellulose alkali liquor is added into the xanthating machine to be subjected to a xanthating reaction, and hemicellulose xanthate is generated; and adding dilute alkali liquor into the xanthating machine for dissolving, and sequentially filtering, defoaming and spinning to prepare the viscose fiber. After alkali cellulose and carbon disulfide are subjected to a yellowing reaction, high-concentration hemicellulose alkali liquor is added into a yellowing machine for secondary yellowing, then two xanthate esters are dissolved with dilute alkali liquor, and subsequent filtering, defoaming and spinning procedures are performed, so that full utilization of hemicellulose is realized, and the quality and spinnability of viscose fibers are guaranteed; meanwhile, pulp unit consumption and new alkali consumption are reduced, and the production cost is saved.

The invention relates to the technical field of medical materials, and discloses a chitosan spunlace degradable medical dressing base material and a preparation method thereof. Comprising the following operation steps that chitosan fibers, modified cellulose and viscose fibers are subjected to opening treatment and then mixed to be uniform, carding is conducted through a carding machine to form a net, cross laying is conducted, and a fiber net is obtained; performing spunlace reinforcement on the fiber net by adopting a flat net spunlace machine to obtain the chitosan spunlace non-woven fabric; carrying out vacuum defoaming on the spinning solution and then putting the spinning solution into a propulsion pump; the chitosan spunlace non-woven fabric is fixed to a collector for electrostatic spinning and drying, then the chitosan spunlace non-woven fabric is soaked in a zinc acetate ethanol solution for ultrasonic treatment for 5-10 min, ethanol cleaning, drying, cutting and packaging are conducted, and the chitosan spunlace degradable medical dressing base material is obtained.

The invention relates to the technical field of spunlace non-woven materials, and particularly discloses a medical high-performance polylactic acid spunlace composite non-woven material and a preparation method thereof.The preparation method comprises the steps that firstly, polylactic acid fibers and crude natural cellulose fibers are modified, and a compatilizer PLGA-PEG-MDI segmented copolymer is prepared; the preparation process of the spunlace composite non-woven material comprises the steps that viscose is subjected to plasma activation, a compatilizer is sprayed to be loosened and mixed with modified polylactic acid fibers, cross lapping is carried out, polylactic acid added with the compatilizer is melt-blown to the surface of the lapping, and the spunlace composite non-woven material is obtained. And finally, paving the modified crude natural cellulose on the surface of the melt-blown layer to form the spunlace composite non-woven material with good antibacterial property, one-way wet permeability and degradability.

The invention belongs to the technical field of high-performance protective textiles, and particularly relates to a high-temperature-resistant flame-retardant protective fabric and a preparation method thereof.The high-temperature-resistant flame-retardant protective fabric is composed of warp yarn and weft yarn, the warp yarn is formed by ceramic fiber yarn with the diameter of 15-25 micrometers and silicon carbide fiber wound and woven on the surface of the ceramic fiber yarn, and the weft yarn is formed by interweaving the silicon carbide fiber and the ceramic fiber yarn; the diameter of the silicon carbide fibers is 18 microns, the silicon carbide fibers and the ceramic fiber yarns form composite yarns, the weft yarns are blended yarns of aramid fibers and polyphenylene sulfide fibers, the proportion of the aramid fibers to the polyphenylene sulfide fibers is 6: 3: 1, and 5%-10% of flame-retardant viscose fibers are contained. Through composite treatment of the silane coupling agent and the nano silicon dioxide, the interfacial compatibility of the ceramic fiber and the organic fiber is effectively improved, when the fabric is stressed, the stress at the interface can be effectively transmitted, the fabric failure caused by interface debonding is avoided, and the overall mechanical property and durability of the fabric are remarkably enhanced.

The invention belongs to the technical field of functional textile materials, and discloses a modified spandex-based high-elastic antibacterial knitted fabric and a preparation method thereof.The fabric is of a double-layer composite knitted structure and comprises an inner high-elastic breathable layer and an outer antibacterial compact layer; the inner layer is formed by blending modified spandex yarns and modified viscose fibers, and the outer layer is formed by blending modified spandex yarns and superfine polyester fibers. The modified spandex yarn is prepared by introducing a hydrophilic antibacterial monomer compound into a spandex base material and matching with a cross-linking agent for graft modification, the hydrophilic antibacterial monomer compound is formed by compounding guanidyl acrylate and acryloyloxy eugenol, and stable fixation of antibacterial groups is achieved from the molecular level. Meanwhile, the molecular chain structure is regulated and controlled to keep high elasticity. The elongation at break of the fabric is greater than or equal to 300%, the elastic recovery rate is greater than or equal to 95%, and the antibacterial rate on escherichia coli and staphylococcus aureus is greater than or equal to 99%.

The invention provides a chitosan modified antibacterial degradable wet tissue material and a preparation process thereof, and belongs to the technical field of wet tissue, the preparation process comprises the following steps: opening and mixing chitosan modified polylactic acid fiber, viscose fiber and bamboo pulp fiber, then carding by a carding machine, and then cross lapping and drafting to form a fiber web; performing spunlace reinforcement, mangling and drying on the fiber web by adopting a spunlace machine to obtain wet tissue base cloth; and spraying the wet tissue functional liquid onto the wet tissue base cloth, cooling and packaging to obtain the wet tissue. Wherein the wet tissue functional liquid is prepared from the following raw materials: sodium hyaluronate, betaine, chamomile extract, centella asiatica extract, octadecyl dimethyl benzyl ammonium chloride, palmitoyl glycine, glycerol and water. The chitosan modified antibacterial degradable wet tissue material prepared by the preparation method disclosed by the invention meets green and environment-friendly requirements, not only has good touch feeling and water retention performance, but also has excellent antibacterial performance.

A textile substrate means (1) for growing seaweeds, kelps, or tunicates The textile substrate means (1) comprises threads of a biodegradable material, and the biodegradable material is of pulp origin. the textile substrate means (1) comprises a band shaped substrate means (10); the band shaped substrate means (10) comprises a woven substrate means (11) where a warp yarn (20) and a weft yarn (30) comprise the biodegradable material, and the woven substrate means (11) is woven with either three, four, five, six or seven weft yarns (30) per cm. The biodegradable material may be viscose or Lyocell. A method for growing seaweeds, kelps, or tunicates, is described. A method for harvesting the seaweeds, kelps, or tunicates and processing the seaweeds, kelps, or tunicates together with the textile substrate means (1), is described.

The utility model relates to the field of antibacterial fabrics, and provides a jasmine seaweed antibacterial knitted fabric which is of a double-sided four-needle-passage knitted structure, and two paths of knitted patterns are used as a cycle. The two paths of patterns are as follows: the first path is an upper needle floating thread, an upper needle loop, a lower needle loop and a lower needle floating thread; the second path comprises upper needle looping, upper needle floating thread, lower needle floating thread and lower needle looping; the yarns of the first path and the second path are jasmine seaweed antibacterial yarns, and the jasmine seaweed antibacterial yarns are formed by blending modal fibers, jasmine viscose fibers and alginate fibers. According to the jasmine seaweed antibacterial knitted fabric, the advantages of the modal fibers, the jasmine viscose fibers and the seaweed fibers are perfectly combined through the unique weaving structure, weaving patterns and triangular arrangement, so that the jasmine seaweed antibacterial knitted fabric not only has a natural antibacterial function and a lasting antibacterial effect, but also has a good antibacterial effect. The antibacterial property cannot lose efficacy after multiple times of cleaning, and meanwhile, the comfort of the fabric cannot be affected after multiple times of cleaning.

The invention relates to the field of shirt fabrics, and discloses a novel antistatic and breathable wool worsted shirt fabric and a production method of the novel antistatic and breathable wool worsted shirt fabric. Comprising the following raw materials in parts by weight: 45-55 parts of wool fibers, 5-8 parts of graphene modified polyester fibers, 1-2 parts of carbon nanotube modified wool, 8-12 parts of hemp fibers, 3-5 parts of aerogel polyamide fibers, 1-2 parts of silver zeolite composite particles, 10-15 parts of chitosan quaternary ammonium salt viscose fibers, 2-3 parts of a fluoride-free super-hydrophobic nano coating (o.w.f) and 5-10 parts of sulfobetaine modified polyamide. The graphene modified polyester fiber and the carbon nanotube modified wool are mixed, a continuous and stable conductive network is formed in the fabric by utilizing high conductivity of graphene and excellent electron transmission capability of carbon nanotubes, charge accumulation is reduced essentially, and uniform distribution of the conductive fiber is ensured by adopting a siro spinning technology.

The invention provides viscose large biological fibers containing olive active ingredients and a preparation method of the viscose large biological fibers. The fibers comprise viscose fiber matrixes and composite microcapsules dispersed in the viscose fiber matrixes. The composite microcapsule comprises a core load unit and an alkali-resistant encapsulation layer, the core loading unit is a metal organic framework crystal coated with a porous silicon dioxide shell layer on the surface, the metal organic framework crystal is formed by coordination of an organic ligand and zinc ions, and the olive extract is loaded in a pore channel of the core loading unit; the alkali-resistant packaging layer coats the outer surface of the core load unit and is a polyelectrolyte multilayer film formed by alternately depositing chitosan quaternary ammonium salt and sodium polystyrenesulfonate. The preparation method comprises the following steps: preparing the composite microcapsule, mixing the composite microcapsule with a viscose spinning solution and a hydroxyethyl cellulose compatilizer, and spinning to obtain the fiber. Through the design of the core load unit and the alkali-resistant encapsulation layer, the technical problem that the olive extract is easy to inactivate and difficult to slowly release for a long time in a strongly alkaline spinning environment is solved.

The invention discloses a viscose-based light heat insulation felt and a preparation method thereof, and relates to the technical field of heat insulation felts.In order to improve the strength and the use performance of a viscose-based carbon fiber heat insulation felt, the technology is improved in the preparation process, firstly, viscose fibers are subjected to dipping treatment through a catalyst, and then the viscose fibers are subjected to heat insulation treatment; therefore, elements such as hydrogen and oxygen in the viscose fibers are removed as much as possible in the pre-oxidation stage, ash impurities after carbon fiber forming are reduced, then on the basis, modified phenolic resin is further prepared, boron is introduced into the modified phenolic resin, and in the subsequent dipping treatment process, the content of carbon fibers in the modified phenolic resin is reduced. The phenolic resin containing the boron element can be attached to the fiber felt subjected to pre-oxidation treatment, in the high-temperature graphitization process, the boron element can further catalyze the graphitization degree of carbides, and collapse of the carbon material at the high temperature is avoided, so that the strength of the heat insulation felt is improved, and the defects of slag falling and ash falling are reduced.

The utility model discloses a moisture absorption and sweat releasing chemical fiber fabric, and relates to the technical field of fabrics. According to the technical scheme, the breathable fabric is characterized in that the breathable fabric comprises an inner layer and an outer layer which are fixedly connected with each other, a plurality of contact strips with the same length as the outer layer are fixedly connected to the side, close to the inner layer, of the outer layer, each contact strip is composed of a plurality of contact velvet, and first breathable sections corresponding to the contact strips are arranged on the inner layer; the side, close to the outer layer, of the inner layer is fixedly connected with a plurality of moisture dissipation blocks, each moisture dissipation block is composed of a plurality of moisture dissipation velvet, the outer layer is provided with second ventilation sections corresponding to the moisture dissipation blocks, and the sectional area of the first ventilation sections and the sectional area of the second ventilation sections are larger than those of the contact strips and the moisture dissipation blocks respectively. The moisture absorption effect is guaranteed through the contact strips and the moisture dissipation blocks, channels for external air to enter the fabric are increased due to the arrangement of the first breathable section and the second breathable section, and the moisture absorption and dissipation performance of the whole fabric is guaranteed through the characteristics of the viscose fibers and the bamboo charcoal fibers.

The utility model discloses a plant baby nursing wet tissue which comprises a non-woven fabric carrier. The non-woven fabric carrier comprises a first fine denier viscose fiber layer, a hollow fiber layer and a melt-blown non-woven fabric layer which are compounded through spunlace; a plant extract is attached to the surface of viscose in the first fine denier viscose layer; plant extracts are attached to the inner and outer surfaces of hollow fibers used in the hollow fiber layer; an embossed pattern or a printed pattern is arranged on the surface of one side of the first fine denier viscose fiber layer. According to the plant infant nursing wet tissue, the fine denier viscose non-woven fabric used on the surface is soft in hand feeling, and discomfort cannot be caused when the plant infant nursing wet tissue is in contact with the skin of an infant. And the used plant extract is used as an antibacterial component, is safe and mild, and can be used by infants.

The invention relates to the technical field of viscose fiber processing, in particular to a viscose fiber oiling device which comprises a fixing frame, an oil collecting tank, an oil nozzle, an oiling roller, a connecting shaft, a clamping mechanism, an adjusting assembly, a driving mechanism, an arc-shaped filter plate, an arc-shaped scraping plate and a connecting frame. The bottom of the fixing frame is connected with the oil collecting tank, the top is sleeved with the oil nozzle, the middle is provided with the oiling roller, and the two ends are connected with the clamping mechanism through connecting shafts. The clamping mechanism is composed of three triangular clamping blocks, an anti-slip strip and an adjusting assembly, the adjusting assembly is used for synchronously adjusting the triangular clamping blocks to rotate, and the driving mechanism drives the oiling roller to rotate through the clamping mechanism. An arc-shaped scraper is in sliding fit with the surface of the arc-shaped filter plate and is driven by a driving component to slide back and forth at the top of the connecting frame to clean the filter plate. According to the device, the oiling roller is quickly disassembled and assembled through the linkage adjusting mechanism without disassembling the bearing seat, so that the maintenance period is shortened; the arc-shaped scraping plate is used for automatically cleaning the filter plate, filter holes are prevented from being blocked, the oil circulation efficiency is improved, and the manual cleaning intensity is reduced.

The application relates to the technical field of fabrics, and discloses a wear-resistant chinlon fabric and a preparation method thereof. The wear-resistant fabric prepared by the application is composed of 25-35% polyester fibers, 15-35% modified chinlon fibers and 35-55% viscose fibers, and has excellent wear resistance, antistatic property and ultraviolet resistance; wherein the modified chinlon fiber is prepared by coating polypyrrole on the surface of chinlon fiber after grafting modification of the chinlon fiber by a reinforcing agent, so that the chinlon fiber is endowed with ultraviolet resistance and antistatic property.

The utility model provides a stirring device capable of reducing material blockage and a viscose fiber production system, and relates to the technical field of viscose fiber preparation devices, the stirring device comprises a supporting assembly, a stirring component and a fixing component, the supporting assembly is used for being connected with the inner wall of the stock bin. The fixing component is arranged above the supporting assembly; the stirring component penetrates through the fixing component and the supporting assembly, and the stirring component is connected with the fixing component; one end, penetrating through the supporting assembly, of the stirring component is used for abutting against a spiral blade of the spiral conveyor, the spiral blade can drive the stirring component to swing, and the device prevents materials from being overstocked too tightly, so that the blockage condition of the wet material bin is reduced, and the technical problem of blockage of the anhydrous sodium sulphate wet material bin in the prior art is relieved.

This utility model relates to the technical field of viscose fiber production equipment, specifically a xanthation device for viscose fibers. The xanthation device includes: a storage tank; a stirring shell installed on top of the storage tank; a discharge cylinder installed at the bottom of the stirring shell; a hinged plate installed at the bottom of the stirring shell; a groove formed at the bottom of the hinged plate; a rotating rod penetrating through the groove; the rotating rod penetrating the side wall of the discharge cylinder; a push block fixed to the outer surface of the rotating rod; and a drive motor installed at the outer end of the rotating rod. The advantages are: the xanthation device for viscose fibers proposed in this utility model utilizes the drive motor, rotating rod, push block, and hinged plate in cooperation to allow for rapid and precise adjustment of the lifting and lowering movement of the hinged plate. This facilitates adjusting the lifting distance of the hinged plate to control the flow rate and volume of the viscose fibers, while also preventing the viscose fibers from clogging the discharge port.

The invention relates to the technical field of mask cloth, and discloses a ginkgo fiber mask cloth preparation method, which comprises: S1, main fiber mesh preparation: preparing fiber main materials by weight: 8-20 parts of viscose fiber, and 6-10 parts of ginkgo fiber, mixing the fibers, opening, and carding to form a main fiber mesh; s2, preparing an auxiliary fiber net, namely preparing fiber auxiliary materials in parts by weight: 2-4 parts of bamboo fibers and 5-10 parts of viscose fibers, mixing and opening the fibers, carding the fibers into the auxiliary fiber net, and paving the auxiliary fiber net on the upper surface of the main fiber net; s3, hot rolling; s4, electrostatic spinning; s5, needling is carried out; and S6, preparing the mask cloth. The mask has good effects of moistening skin, resisting oxidation and inhibiting bacteria.

An aerosol-generating article (10)(100)(1000) comprises: an aerosol-generating substrate (12)(112)(1004); a downstream element (42)(150)(1008) provided downstream of the aerosol-generating substrate (12)(112)(1004) and in axial alignment with the aerosol-generating substrate, the downstream element comprising a cellulosic filtration material. The fibrous material comprises a plurality of regenerated cellulose fibres selected from one or more of viscose fibres, modal fibres, Lyocell fibres and viscose rayon fibres; or a plurality of natural fibres selected from one or more of flax fibres, hemp fibres, jute fibres, kenaf fibres, ramie fibres, abaca fibres, phormium fibres, sisal fibres, coir fibres, cotton fibres, and kapok fibres. The cellulosic fibrous material further comprises an additive coating applied to the plurality of regenerated cellulose or natural fibres, the additive coating comprising at least 5 percent by weight of exogenous lignin on a dry weight basis.

The utility model belongs to the technical field of Juncao underwear, and particularly relates to novel antiviral Juncao underwear which comprises an upper garment, trousers, suit underwear, home furnishing, a bra, underpants and the like, the product is formed by sequentially connecting a fiber interwoven layer, a mercerized cotton layer and an antibacterial lining from outside to inside, two cuffs of the upper garment are each connected with a sleeve binding opening, and the sleeve binding openings are connected with a fiber interwoven layer. The upper end opening of the upper garment is fixedly connected with a sleeve binding opening, the sleeve binding opening is fixedly connected with a wrapping edge, the lower end opening of the upper garment is fixedly connected with a lacing binding edge, the wrapping edge and the lacing binding edge are filled with fungus grass fibers, and two trouser legs of the trousers are connected with trouser leg binding openings. According to the novel antiviral fungus grass underwear, the novel antiviral fungus grass underwear is a suit, namely the novel antiviral fungus grass underwear is divided into the coat and the trousers, the coat and the trousers are both made of the fiber interwoven layer, the mercerized cotton layer and the antibacterial lining, and the fiber interwoven layer is formed by weaving the viscose fiber filaments and the fungus grass fiber filaments, so that the novel antiviral fungus grass underwear has the antibacterial function of a physical method and is comfortable to wear; the problems that the underwear easily damages the skin and easily breeds bacteria are solved.

The application discloses a preparation method of recycled cotton viscose fiber and belongs to the technical field of waste recycling. The preparation method comprises the following processes: obtaining spinning viscose by mixing pulp, impregnating, squeezing, aging, yellowing, dissolving, ripening and defoaming of recycled cotton pulp; and obtaining recycled cotton viscose fiber by spinning, refining and drying of the spinning viscose. The application aims to realize the recycling of recycled cotton pulp formed by discarded cotton clothes or floor cotton of textile mills, to prepare spinning viscose and then prepare cotton viscose fiber, and to obtain pure cotton products with excellent quality, which can be used in the textile industry, so as to realize environmental protection, regeneration and recycling in the textile industry.

This application relates to the field of feminine hygiene products, and specifically discloses a sanitary napkin with fast absorption speed and its preparation method. The sanitary napkin includes a surface layer, a diversion layer, an absorbent core, and a waterproof bottom film arranged in sequence. The diversion layer includes an upper hydrophilic layer and an anti-backflow layer. The upper hydrophilic layer is adhered to the surface layer, and the anti-backflow layer is adhered to the absorbent core. The upper hydrophilic layer is made of modified sulfonated carboxymethyl chitin fiber, and the anti-backflow layer is made of viscose fiber; the sulfonated carboxymethyl chitin fiber is prepared from artificial fiber, sulfonated carboxymethyl chitin, and a pore-forming agent; its preparation method includes the following steps: preparation of the upper hydrophilic layer; preparation of the diversion layer; preparation of the sanitary napkin. This application has the advantages of strong diversion ability and rapid dryness of the surface of the sanitary napkin; it solves the technical problem that the absorption speed of the sanitary napkin is not fast enough.

The invention discloses a bamboo reed graphene viscose fiber preparation method, a blended yarn and a blended yarn preparation method, and belongs to the technical field of fiber preparation. The preparation method of the bamboo reed graphene viscose fiber comprises the following steps: extracting bamboo reed cellulose from bamboo reed, carrying out ozone and chemical comprehensive treatment on the bamboo reed to obtain the bamboo reed cellulose, and crushing the bamboo reed cellulose to obtain bamboo reed cellulose powder; graphene dispersion liquid is prepared, graphene is subjected to ultrasonic dispersion treatment in a solution containing a surfactant, and the graphene dispersion liquid is obtained; preparing a spinning solution, dissolving the arundo donax cellulose powder in an alkali / urea solvent, then adding the graphene dispersion liquid into the alkali / urea solvent, and uniformly mixing to obtain the spinning solution; and carrying out wet spinning, extruding the spinning solution into a coagulating bath through spinneret orifices, and molding to obtain the viscose fiber. By adopting the bamboo reed graphene viscose fiber preparation method, the blended yarn and the blended yarn preparation method, the problem of poor performance of the bamboo reed graphene viscose fiber can be solved, and the bamboo reed graphene viscose fiber has very good heat retention property.

The invention discloses a high-resistance arc protection garment and a preparation method thereof, and belongs to the technical field of protection garments. The electric arc protection clothing is composed of a surface layer, a heat insulation layer and a comfortable layer, and a phosphorus-containing complexing agent composite system is introduced in the preparation of conductive fibers, so that the complexing stability of copper ions and the carbon forming capacity of the fibers are improved; the surface layer is formed by blending and weaving polyimide fibers, conductive fibers, flame-retardant aramid fibers and flame-retardant viscose fibers, the heat insulation layer is made into a non-woven fabric flocculus felt from the polyimide fibers, the flame-retardant aramid fibers and the flame-retardant viscose fibers, and the comfortable layer is formed by knitting the flame-retardant aramid fibers, the flame-retardant viscose fibers and flame-retardant polyester fibers. Through the collaborative design of the three-layer structure, the conductive stability, the flame-retardant heat-insulating performance and the wearing comfort of the electric arc protection suit are remarkably improved, and the electric arc protection suit has a good application prospect in the high-temperature electric arc protection field in the industries of electric power, metallurgy and the like.

The invention discloses a preparation method of a high-rate hard carbon material, which comprises the following steps: mixing a precursor material with a viscose by-product hemicellulose alkali solution, and carrying out hydrothermal reaction to form a coated and activated precursor material; and carbonizing the coated and activated precursor material to obtain a carbon precursor, and washing, drying and crushing the carbon precursor to obtain the carbon-coated hard carbon material. The invention is used for solving the technical problem of low rate capability at low cost.