567 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 composite non-woven fabrics, and discloses a composite non-woven fabric with a directional arrangement structure, the composite non-woven fabric comprises a first fiber web layer, a second fiber web layer and a third fiber web layer, the second fiber web layer is a yarn net structure formed by warp knitting and weft knitting of viscose long fibers, the first fiber web layer is provided with a plurality of first protrusions, and the third fiber web layer is provided with a plurality of second protrusions. At least one first guide hole penetrating through the fiber web layer is formed in an area enclosed by the plurality of first bulges; at least one part of fibers of the first fiber layer extend towards the direction of the second fiber layer and extend into the second fiber layer, and at least one part of fibers of the second fiber layer extend towards the direction of the third fiber layer and extend into the third fiber layer. Due to the fibers and the guide holes which are arranged directionally, the effects of improving the liquid absorption wetting speed of the composite non-woven fabric and shortening the drying time are achieved, energy is saved, the production efficiency is improved, and therefore the production cost is effectively reduced.

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 discloses a preparation method of a flame-retardant viscose fiber with an antibacterial function, which comprises the following steps: (1) under sufficient stirring, sequentially adding a phosphorus flame retardant, a dispersant and graphene oxide into deionized water with an alkaline pH value, and stirring and ball-milling to obtain a flame retardant dispersion liquid; (2) preparing a spinning stock solution by taking cellulose pulp as a raw material, and adding the flame retardant dispersion liquid into the spinning stock solution by adopting a pre-spinning injection method to prepare a blended spinning stock solution; (3) spinning the blended spinning stock solution in a coagulating bath, and reducing the blended spinning stock solution in an oxidation-reduction bath to obtain a formed tow; and after drafting, carrying out a post-treatment process to obtain the flame-retardant viscose fiber with the antibacterial function. The production process is optimized from multiple aspects such as selection of raw materials for preparing the flame retardant, oxidation reduction and the like, and the prepared flame-retardant viscose fiber has excellent flame retardance, good physical and mechanical properties and antibacterial properties and good wearability.

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 relates to a non-irritant, lifting and tightening mask cloth as well as a preparation method and application thereof. The mask cloth comprises a cellulosic fiber surface layer, an elastic middle layer and a cellulosic fiber bottom layer which are sequentially laminated, the cellulose fiber surface layer and the cellulose fiber bottom layer are both made of fine denier viscose fibers, the fineness of the fine denier viscose fibers is 0.5 dtex-1. 0 dtex, and the length of the fine denier viscose fibers is 38-52 mm; the elastic middle layer is made of PU fibers. The PU fiber is used as the elastic middle layer, the cellulose fiber layers are used on the two sides, the middle layer has good elasticity, after the middle layer is made into the membrane cloth, good elasticity can be provided, the cellulose fiber layers can make the fiber very soft by controlling the fineness, and the prepared membrane cloth is very fine and soft in surface and can provide good skin feeling; the cellulose fiber layer is attached to the skin, so that the finally obtained mask cloth is very friendly to the skin, has no irritation, and is safer and milder.

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 belongs to the technical field of functional fibers, and provides a bacteriostatic and deodorant fabric and a preparation process thereof, the process comprises the following steps: loading aminoguanidine salt onto a porous carrier to prepare a deodorant; a deodorant, a lubricant, a dispersant, an antibacterial agent and a matrix are used as raw materials, granulation is performed, and functional master batches are prepared; blending, melting and spinning the functional master batch and polypropylene slices to obtain composite fibers; the composite fibers are subjected to heat treatment in a loose state and then blended with cotton fibers or viscose fibers, and the antibacterial and deodorant fabric is obtained. The preparation process is simple, easy to regulate and control, low in energy consumption and low in cost, and the prepared fabric has long-acting bacteriostasis and deodorization performance and is good in mechanical property.

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 textile printing and dyeing, and discloses a knitted fabric and a dyeing and finishing processing method thereof. The blended yarn is formed by blending polyester fibers and viscose fibers. The mass ratio of the polyester fibers to the viscose fibers is 1: (0.1-10). The knitted fabric is formed by weaving the blended yarn. The mass percent of the blended yarns is greater than or equal to 50%. The blended yarn provided by the invention comprises the polyester fibers and the viscose fibers, and the content ratio of the polyester fibers and the viscose fibers is wide in change range; the blended yarn can be independently used as a raw material or woven into knitted fabric together with spandex / chemical fiber filaments and other raw materials, and the defects that an existing knitted fabric is single in component, the content of the raw materials is strictly limited and the like are overcome. According to the dyeing and finishing processing method of the fabric, the knitted fabric with different components can be treated, the fabric is bright in color, excellent in washing fastness, rubbing fastness and pilling resistance and soft in hand feeling, and the application requirements of the clothing industry can be better met.

The invention provides a multi-layer composite fiber core and a preparation method thereof, and belongs to the technical field of disposable hygienic products. The preparation process comprises the following steps: preparing mesoporous silica nanoparticles; preparing composite super absorbent resin; preparing a bacteriostatic additive; preparing antibacterial and deodorant viscose fibers; preparing an antibacterial treatment solution; preparing an antibacterial treatment fiber web; and preparing the multi-layer composite fiber core body. According to the preparation method, carboxymethyl corn straw cellulose is mixed with acrylic acid, acrylamide and mesoporous silica nanoparticles, 2-acrylamide-2-methylpropanesulfonic acid is added, and reaction is performed under initiation of potassium persulfate, so that the water absorption rate of the prepared composite water-absorbent resin can be remarkably improved, multiple protection mechanisms can be formed, and the water absorption rate of the composite water-absorbent resin is improved. Interference of salt ions is prevented, so that the salt resistance of the composite water-absorbent resin can be effectively improved, and the water absorption rate of the composite water-absorbent resin to artificial blood / urine is further improved.

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 discloses a combined fiber for mask cloth, the mask cloth, a preparation method of the mask cloth and a mask. The combined fiber comprises the following components in parts by weight: 25-45 parts of viscose containing centella asiatica extract; 25 to 45 parts of viscose fiber containing an olive fruit oil extract; 15 to 45 parts of lyocell fiber and / or superfine viscose fiber; wherein the single-fiber fineness of the superfine viscose fibers is smaller than that of the viscose fibers. The composite fiber provided by the invention can effectively solve the problem of irritation of the extract to the skin, and can effectively improve the use comfort of the mask cloth.

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 relates to the technical field of textiles, and particularly discloses a processing method of a light and thin cashmere woolen knitted scarf. A processing method of a light and thin cashmere woolen knitted scarf comprises the following steps: preparation of bulked wool yarn: mixing wool fibers with viscose fibers, and preparing rough yarn through pre-opening, carding, drawing, hot-wet treatment and spun yarn spinning procedures; carrying out post-treatment on the roving by utilizing a treating agent to obtain bulked lamb wool yarn; wherein the treating agent is prepared from the following raw materials: polyurethane emulsion, graphene dispersion liquid, modified nano silicon dioxide and a surfactant; weaving: weaving the fine-count worsted wool yarn and the bulked lamb wool yarn to obtain a fabric; and finishing: squeezing, drying, washing, milling, piece dyeing, drying, fluffing of a cloth bottom, shearing of a cloth cover and light decating are carried out on the fabric, and the scarf is obtained.

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 relates to the field of fabrics, in particular to a warm-keeping breathable double-layer fabric. Comprising a surface layer and an inner layer, the surface layer and the inner layer are connected through a connecting line, the surface layer and the inner layer are both knitted fabrics, and the surface layer and the inner layer are both composed of 20-70% of acrylic fibers, 25-80% of viscose fibers, 0-25% of spandex, 0-25% of modal, 0-25% of polyester and 0-36% of natural fibers; the natural fiber is composed of one or more of mulberry silk, sheep wool, rabbit hair, cashmere, camel hair and cotton, the inner layer and the surface layer which are obtained through mixed spinning of the acrylic fibers and the viscose fibers have good air permeability, moisture penetrability, wear resistance and heat retention property, and the inner layer and the surface layer can be stably connected through the connecting lines. The formed double-layer fabric has better heat retention property, air permeability, moisture penetrability and wear resistance, and has the advantages of better heat retention property, air permeability and wear resistance when being used for producing clothes, and the wearing comfort and durability of the clothes are improved.

The present invention relates to an anti-mite down jacket fabric and a processing method thereof, wherein the anti-mite down jacket fabric comprises an inner layer and an outer layer hot-pressed and composited on the inner layer, wherein the outer layer is a plain fabric woven from cotton fiber, modified viscose fiber, and polylactic acid fiber; wherein the modified viscose fiber is prepared by mixing camel thorn alkaline essential oil and a thickener into viscose, and then heating, stirring, ultrasonically dispersing, and degassing the viscose mixture through a wet spinning process. The present invention adds camel thorn alkaline essential oil to the preparation of the modified viscose fiber, and the camel thorn alkaline essential oil has a strong antibacterial effect on Escherichia coli, Staphylococcus aureus, and Candida albicans, and the camel thorn alkaline essential oil has a strong inhibitory effect on the reproduction of mites, can also expel mites, has good durability, natural ingredients, less harmful to the human body, is safer, and can improve the wrinkle resistance of the anti-mite down jacket fabric.

A preparation method of a brake friction plate belongs to the technical field of friction plate materials, and adopts viscose, polyimide fiber, polytetrafluoroethylene fiber, carbon fiber and copper fiber to prepare net-shaped woven cloth; the preparation method comprises the following steps: mixing porous nano aluminum oxide, hexagonal boron nitride, zeolite powder, crystalline flake graphite, magnesium oxide, copper powder, potassium hexatitanate whiskers, carbon nanotubes, vermiculite, mica, sodium bicarbonate, 1, 3-bis (tert-butylperoxy isopropyl) benzene, phenolic resin powder, polytetrafluoroethylene powder, epoxy resin and nitrile rubber to prepare a viscous mixture; and adding the mixture into the net-shaped woven cloth, and carrying out heating treatment, compression molding and curing treatment. The wear resistance of the prepared friction material is effectively improved, the friction coefficient reaches 0.469, and the wear rate is 0.13 * 10 <-7 > cm < 3 > (N.M) <-1 >; the impact strength is 2.3 KJ / m < 2 >, and the shear strength reaches 2.8 MPa; the brake noise of the friction plate material is effectively reduced, and the frequency of noise greater than 60dB in 2000 testing processes is only about 10 times.

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.