678results about "Monocomponent cellulose artificial filament" patented technology

The invention relates to regenerated cellulose fiber as well as a preparation method and application thereof. Comprising the following steps: dissolving a cellulose raw material in a solvent; adding a pore-forming agent, a dispersing agent and a cross-linking agent, mixing, and carrying out vacuum defoaming; spinning: enabling the stock solution trickles to sequentially pass through a first coagulating bath, a second coagulating bath and a third coagulating bath; the first coagulating bath is an acidic solution, so that a hollow structure is formed in the fiber; forming a nano-scale pore structure on the outer layer of the fiber in the second coagulating bath; the acid introduced by the first coagulating bath and the solvent introduced by the second coagulating bath are replaced by the third coagulating bath through solvent exchange, and meanwhile, the fibers are gelatinized to form a three-dimensional network structure; and drafting, drying, curling and winding the nascent cellulose fiber to obtain the regenerated cellulose fiber. The technical problem to be solved is how to enable the regenerated cellulose fiber to have a unique structure of internal hollow macropores and external nanoscale pores, and improve the thermal insulation performance, air permeability and hygroscopicity of the fiber. The mechanical property is excellent, the preparation method is simple, and the cost is low.

The invention discloses a preparation method of lyocell fibers with antibacterial, heat-storage and temperature-regulation functions. The preparation method comprises the steps of pulp oxidation, phase change microcapsule preparation and fiber spinning post-treatment. The preparation method comprises the following steps: firstly, preparing graphene oxide dispersion liquid and phase change microcapsules with proper particle sizes, oxidizing cotton pulp to form a stable cross-linking effect with an antibacterial extract, then dissolving and co-spinning the cotton pulp into the lyocell fiber with the antibacterial, heat-storage and temperature-regulation functions, and weaving the fiber into a fabric which has the properties of repelling mosquitoes, absorbing moisture, ventilating, regulating temperature and storing heat, so that the antibacterial, heat-storage and temperature-regulation functions are realized. Meanwhile, excellent antibacterial performance and washing performance are achieved. According to the preparation method of the lyocell fiber with the antibacterial, heat-storage and temperature-adjusting functions, provided by the invention, the temperature-adjusting and antibacterial effects are lasting, the preparation process is green, simple and convenient, industrial production is facilitated, and the lyocell fiber can be widely applied to the fields of close-fitting household textile articles, medical textile articles and the like; wide market application prospects are realized, and certain market requirements are met.

The invention relates to a preparation method of a coaxial cellulose-based aerogel fiber fabric for daytime radiation refrigeration, which is characterized in that coaxial fibers take pure cellulose as a core, a skin layer comprises hollow silicon dioxide and low-concentration cellulose, and the hollow silicon dioxide is uniformly dispersed in the cellulose; the preparation method comprises the following specific steps: S1, preparing hollow silicon dioxide with an adjustable particle size; s2, preparing a hollow silicon dioxide / cellulose mixed spinning solution; s3, dissolving cellulose; s4, carrying out coaxial wet spinning; s5, carrying out multi-step solvent replacement; s6, performing continuous normal-pressure drying; s7, weaving fibers; the woven aerogel fiber fabric can effectively scatter sunlight, and the solar reflectivity (gt; 92%), and the emissivity (gt; 96%); the preparation method is green and environment-friendly, the operation is simple, the continuous and large-scale production of the cellulose-based aerogel fiber can be realized, and the prepared coaxial aerogel fiber fabric can show excellent radiation refrigeration performance in the daytime.

The invention shows a lyocell fiber containing a matting agent whereby the matting agent comprises between 2 wt.-% and 5 wt.-% BaSO4 and less than 1 wt.-% TiO2, with respect to fiber weight, whereby the matting agent is incorporated in the fiber matrix in the form of particulates. The invention further concerns the use of said fiber for the production of a textile fabric and a textile fabric containing said fibers.

The invention belongs to the technical field of cellulose dissolution, and particularly relates to a method and a solvent for promoting cellulose dissolution and application of the solvent in preparation of high-strength regenerated cellulose fibers. The invention finds for the first time that when a common solvent system of silicon dioxide and cellulose is subjected to ball-milling mixing, the obtained solvent composition not only improves the solubility of the cellulose, but also can obtain a stable spinning solution after dissolving the cellulose, and improves the strength of the regenerated cellulose fiber prepared from the solvent composition.

The invention discloses a multi-stage flow guide double-sided anisotropic sanitary surface layer spunlace material and a preparation method thereof, and relates to the technical field of textile manufacturing. The preparation method of the sanitary surface layer spunlace material comprises the following steps: opening, carding and cross lapping a fiber raw material to obtain a front surface fiber web and a back surface fiber web, overlapping the front surface fiber web and the back surface fiber web in a manner that the front surface is on the upper side and the back surface is on the lower side, performing spunlace reinforcement, finishing after reinforcement, and finally drying and winding to obtain the sanitary surface layer spunlace material. Wherein the front fiber net is made of all-cotton fibers, and the gram weight is 30-50 g / m < 2 >; the reverse side fiber net is made of mixed fibers, and the gram weight is 40-60 g / m < 2 >; the reverse fiber net is obtained by mixing modified regenerated cellulose fibers, polyurethane fibers and bamboo pulp fibers according to the mass ratio of (10-30): (5-10): 100.

The invention discloses a high-breathability fabric and a preparation method thereof, and relates to the field of fabrics. When the high-breathability fabric is prepared, cotton cellulose sequentially reacts with allyl succinic anhydride and 4 '-amino-2, 2': 6 ', 2'-terpyridyl to obtain modified cellulose; the preparation method comprises the following steps: sequentially reacting graphene oxide with thionyl chloride, 2, 4-diamino-6-vinyl-S-triazine and 2, 6-di-tert-butyl-4-bromomethylphenol, so as to obtain modified graphene oxide; uniformly mixing the modified cellulose, the modified graphene oxide, hydrogen-containing silicone oil, polyethylene glycol and silver nitrate, and spinning and weaving to obtain the high-breathability fabric. The high-breathability fabric prepared by the invention has excellent moisture absorption and breathability, lasting antibacterial property, mechanical property and photo-oxidative aging resistance.

The invention discloses a continuous bamboo fiber preparation method, and belongs to the technical field of bamboo fiber preparation. The blasted bamboo wood is subjected to enzymolysis; the bamboo wood subjected to enzymolysis is conveyed into a separator to be continuously separated, and fiber bundles are obtained; preparing a fiber suspension from the fiber bundles, and screening to obtain purified fiber bundles; the purified fiber bundles are drafted; freezing the drafted fiber bundles, then unfreezing the fiber bundles, and then drying the fiber bundles to obtain the continuous bamboo fibers. By adopting the continuous bamboo fiber preparation method disclosed by the invention, the bamboo fibers with excellent performance, high purity and good uniformity can be prepared, the problems of poor fiber quality, insufficient stability and the like existing in a traditional method are effectively solved, the production efficiency can be improved, the environmental pollution and energy consumption are reduced, the production cost is reduced, and the method is suitable for industrial production. And high performance, continuity and green economy are considered.

The invention relates to a method for industrially preparing a lyocell fiber spinning solution. The method comprises the following steps: step 1, preparing a first suspension with the cellulose concentration of less than or equal to 6wt%; step 2, increasing the concentration of cellulose in the first suspension to 10-12wt% in a manner of separating part of the solvent under pressure to obtain a second suspension; step 3, crushing and grinding the second suspension to obtain a third suspension; 4, inputting the third suspension into a film evaporator, controlling the temperature in the film evaporator, and dissolving the third suspension under a vacuum condition to obtain a spinning solution with the cellulose concentration of 11-13wt%; the method is a brand new thought for industrially preparing the lyocell fiber spinning solution, the hidden danger that dust is generated in the pulverization process of pulp can be eliminated, more sufficient and uniform swelling and more uniform dissolution can be synchronously achieved, the better dissolution effect is achieved, and the high-quality fiber spinning solution is obtained.

The invention relates to the technical field of textile, in particular to a xylitol-containing plant-source composite ultra-short fiber and a preparation method thereof.The xylitol-containing plant-source composite ultra-short fiber comprises an ultra-short fiber base material and plant-source functional particles, the plant-source functional particles are obtained by conducting chemical modification, microencapsulation and nanocrystallization treatment on citramalic acid, xylitol and plant-source extracts, and the plant-source functional particles are prepared from the ultra-short fiber base material and the plant-source extracts. According to the present invention, the heat absorption characteristic of xylitol is utilized to achieve the contact cool feeling effect, the antibacterial components of the plant source extract are adopted to form the antibacterial barrier so as to prevent the growth and the reproduction of bacteria and achieve the antibacterial effect, and the stability of the functional components is significantly enhanced through the chemical modification of citramalic acid; microencapsulation and nanocrystallization treatment improve the dispersibility and compatibility of the plant-derived functional particles in fibers and ensure more lasting and effective functional performance, and meanwhile, the components of the plant-derived functional particles are all derived from the nature and have the characteristics of reproducibility and degradability, so that the plant-derived functional particles can effectively replace traditional organic synthesis functional modification aids.

The invention relates to a skin-moistening antioxidant which is prepared by sequentially carrying out vegetable oil modification and polysaccharide modification on an antioxidant, in the process of preparing lyocell fibers by taking the skin-moistening antioxidant as an additive, the skin-moistening antioxidant is mixed with cellulose in a swelling stage, the dispersion uniformity of active matters in spinning slurry is improved, and the dispersion uniformity of the active matters in the spinning slurry is improved. The spinnability and the breaking strength of the fiber are improved. Meanwhile, the skin moistening antioxidant has good transdermal absorption performance, good solubility in spinning slurry and good compatibility with cellulose, the skin moistening antioxidant can be more uniformly and firmly attached to fibers in the fiber forming process, and the skin moistening performance, the oxidation resistance and the washing fastness of the fibers are improved.

The invention discloses a preparation method of long-acting heat-storage warm-keeping antibacterial lyocell fibers, and belongs to the technical field of regenerated cellulose fibers. The preparation method of the lyocell fiber comprises the following steps: step SS1: stirring, mixing and dissolving cellulose pulp, an NMMO organic solvent, zirconium carbide micro powder and nano biochar according to a certain mass ratio at a certain temperature, and then defoaming and filtering to obtain a homogeneous phase mixed spinning solution with the fiber forming solid content concentration of 8%; and step SS2, spraying the obtained mixed spinning solution in air through a spray head, immersing the mixed spinning solution in a low-concentration NMMO aqueous solution for solidification forming, and then drafting, washing, cutting, washing, oiling and drying to obtain the finished fiber. The temperature rise speed of the heat-storage warm-keeping cellulose fiber fabric is far higher than that of a conventional lyocell fiber fabric, the temperature difference can reach 13.5 DEG C when a light source irradiates for 10 min, it is indicated that light energy can be effectively converted into heat energy in the presence of zirconium carbide in fibers, and the good warm-keeping effect is achieved.

The disclosure relates to a lyocell material, and a filter for a smoking article, including the lyocell material, and a smoking article. The lyocell material and the filter for a smoking article, according to the disclosure, may replace conventional cellulose acetate materials and filters for a smoking article that include the same.

The invention belongs to the field of cellulose materials, and particularly relates to a functional cellulose fiber as well as a preparation method and application thereof. The functional cellulose fiber comprises a core structure formed by fiber raw materials and a skin layer structure formed by functional components, the skin layer structure covers the surface of the core structure, and the functional components are selected from one or more of silk fibroin, sodium alginate and soybean protein. The cellulose functional fiber with the skin-core structure is prepared, the core layer is a cellulose layer, high strength is provided, the skin layer is a functional layer, and good comfort is provided.

The present disclosure relates to novel compositions for use in producing textile fibers by spinning from an aqueous suspension of micro fibrillated cellulose directly into fibers. The compositions comprise, in addition to microfibrillated cellulose, one or more elastomeric proteins that function to improve the clastic properties of the fibers produced. Example elastomeric proteins that modulate the properties of the textile fibers are resilin and collagen.

The present invention relates to the technical field of knitted fabrics, in particular to an antibacterial and anti-ultraviolet bio-based lyocell fabric and a preparation method thereof. The fabric comprises a three-layer composite structure connected by bio-based lyocell yarns: an outer layer is formed by weft-knitting a composite yarn formed by nylon-66 fiber and a first functional fiber, wherein the first functional fiber comprises bio-based lyocell fiber, thermochromic zinc oxide particles, nanosilver / graphene hybrid material, a hydrophobic pore switch polymer, and a cross-linking agent; an intermediate layer is formed by weft-knitting a second yarn formed by a second functional fiber, wherein the second functional fiber comprises bio-based lyocell fiber, temperature-sensitive microcapsules, a humidity-expanding gel, and is composed of an acrylic acid / sodium alginate interpenetrating network; a heat-conducting graphene sheet, and other functional additives; and a third functional fiber in the inner layer comprises bio-based lyocell fiber, Janus-type double-sided microcapsules, a porous graphene framework, a phase change material, and other regulators.

The present disclosure provides a novel type of fiber monofilament for use in place of non-sustainable cotton. The fiber monofilaments comprise at least 50% by weight of non-regenerated microfibrillated cellulose (MFC), an amino-functional polymer component, and an epoxy-functional crosslinker. In addition, the present disclosure provides a product comprising the fiber monofilament and a method of making the fiber monofilament.

The invention discloses a bamboo pulp lyocell fiber production method, which comprises: (1) preparing a bamboo dissolving pulp, loading bamboo chips into a pot, preheating, raising the temperature in the pot to 110-130 DEG C, introducing medium-pressure steam, rapidly raising the temperature in the pot to 160-170 DEG C, injecting a pre-hydrolysis liquid formed by mixing hot water and an acidic catalytic auxiliary agent from the bottom of the pot, and carrying out thermal insulation at a temperature of 165-175 DEG C for 30-120 min; and (2) dissolving NMMO, namely mixing the dissolving pulp prepared in the step (1) with an NMMO aqueous solution, mechanically stirring and uniformly mixing for 10 minutes at 90 DEG C, then carrying out vacuum dehydration, gradually raising the temperature to 105 DEG C from 90 DEG C, starting timing when the temperature is raised to 105 DEG C, and dissolving for 40 minutes. According to the production method and the production equipment of the bamboo pulp lyocell fiber, the pentosan content can be effectively reduced, the reaction uniformity can be improved and the preparation requirements of the bamboo-based lyocell fiber can be met through the specific preparation method and the processes such as steam preheating and temperature rising combined with liquid-phase extraction and prehydrolysis.

Described herein is a composite structure that includes microfibrillated cellulose (MFC) monofilament permeated by a hydrophobic resin. Also described herein are a structure and methods of manufacturing the composite material and structure and the uses thereof.

The invention provides a waste cotton fabric synchronous decolorization and cellulose dissolution regeneration method based on a deep eutectic solvent, and relates to the technical field of waste cotton fabric recovery treatment. According to the method disclosed by the invention, the in-situ decoloration of the dye in the cotton fabric and the efficient dissociation of a cellulose hydrogen bond network are synchronously realized under the process condition of 30-100 DEG C by selecting the specific eutectic solvent, so that the decoloration and the dissolution are cooperatively completed in the same step; and the problem of fiber damage or incomplete decoloration caused by condition conflict in step-by-step treatment is effectively avoided. On the basis, the dye and the eutectic solvent are synchronously replaced and separated in a coagulating bath by combining wet spinning, so that the process is simplified, and the high mechanical property of the regenerated cellulose fiber is realized. Besides, the dye and the deep-eutectic solvent in the process can be recycled, a resource full-circulation green technical path is formed, and a solution with a wide application prospect is provided for high-valued regeneration of the waste textiles.

The invention discloses a method for preparing high-performance carbon microspheres based on classification of waste cotton textiles, which comprises the following steps: aiming at the waste cotton textiles which are accumulated in the open air and have obvious aging difference, firstly carrying out mechanical opening and impurity removal and photocatalytic decontamination pretreatment, and then sorting the aging degree through a carbonyl sensitive fluorescent probe and laser irradiation, so as to obtain the high-performance carbon microspheres. The heavily aged hydrophobic fibers and the lightly and moderately aged hydrophilic fibers are obtained. Treating the lightly and moderately aged fibers with an ionic liquid repairing system, and then preparing regenerated high-strength fibers by adopting magnetic control liquid crystal spinning; the heavily aged fiber is subjected to catalyst-free hydrothermal carbonization and gradient KOH activation pore expansion, and the graded pore carbon microspheres are prepared. According to the method, different aged fibers are accurately utilized, the performance of regenerated products is improved, pollution is reduced, and the resource utilization rate and additional value of the waste cotton textiles are increased.

The invention discloses a bionic tree-shaped evaporator based on hollow microtubes and application thereof, and relates to the technical field of solar water treatment.The bionic tree-shaped evaporator is prepared through the following steps that bacterial cellulose hybrid spinning solution serves as shell layer fluid, absolute ethyl alcohol serves as core layer fluid, the shell layer fluid and the core layer fluid are co-extruded into an ethyl alcohol coagulating bath, curing is conducted, washing is conducted with ethyl alcohol and deionized water in sequence to be neutral, and drying is conducted to obtain the bionic tree-shaped evaporator. A hollow hybrid microtube is obtained; and arranging and fixing the plurality of hollow hybrid microtubes on a bracket according to a tree-shaped branch structure to obtain the bionic tree-shaped evaporator. The bionic tree-shaped evaporator prepared by the invention has excellent mechanical flexibility, salt tolerance and purification efficiency, and provides a new material and a new scheme for efficient and sustainable solar seawater desalination and wastewater treatment.

The invention discloses a high-performance warm-keeping core-spun yarn and a preparation method thereof. The preparation method comprises the following steps: S1, preparing a cellulose fiber spinning solution from a 1-allyl-3-methylimidazole chloride solution, absorbent cotton and sodium alginate; s2, performing wet spinning on the cellulose fiber spinning solution, and obtaining cellulose porous structure fibers by adopting a supercritical drying method; s3, introducing an SEBS solution into the cellulose porous structure fibers, and carrying out incomplete curing to obtain yarns; s4, performing compact siro spinning on the basis of the yarns and the aramid short fibers to obtain the core-spun yarns. The core-spun yarn has the beneficial effects that the heat insulation property and the heat retention property of the core-spun yarn are improved, and meanwhile, the core-spun yarn also has softness and good mechanical properties.

The invention provides an environment-friendly flame-retardant cellulose nanofiber triboelectric nanogenerator and a preparation method and application thereof.The preparation method includes the steps that cellulose nanofibers are prepared into nanofiber suspension liquid, then micro / nano-scale two-dimensional flame-retardant filler is added and mixed to be uniform to serve as fluid directional assembly liquid, and the triboelectric nanogenerator is prepared. Then, the fluid directional assembly liquid is subjected to fluid directional assembly to obtain a flame-retardant cellulose nanofiber triboelectric membrane positive electrode, and the flame-retardant cellulose nanofiber triboelectric membrane positive electrode, an electrode, a triboelectric negative electrode and a triboelectric nano-generator supporting piece are assembled to form the environment-friendly flame-retardant cellulose nanofiber triboelectric nano-generator. Cellulose nanofibers prepared based on recycled resources such as straw are used as raw materials capable of meeting fluid directional self-assembly, and the flame-retardant cellulose nanofiber triboelectric positive electrode with a layered structure is formed by combining the cellulose nanofibers with the micro / nano-scale two-dimensional flame-retardant filler; the triboelectric nano generator with excellent triboelectric property and flame retardant property is realized for the first time.

The preparation method of the regenerated cellulose fiber provided by the embodiment of the invention comprises the following steps: S1, mixing cellulose pulp with compound enzyme and glycine, performing enzyme treatment, and performing ultrasonic treatment to obtain activated pulp; s2, mixing and swelling the activated pulp with an NMMO aqueous solution, lysine and oxidized nanocellulose, and performing vacuum dehydration dissolution, dry-jet wet spinning and gradient coagulating bath forming to obtain nascent fibers; s3, adding the nascent fiber into an aspartic acid / citric acid mixed solution, and performing UV catalytic crosslinking treatment to obtain the regenerated cellulose fiber. The cellulose supramolecular structure is precisely regulated and controlled through compound enzyme-amino acid synergistic pretreatment, the transverse binding force of the fibers is reinforced on the molecular level by combining nanocellulose enhancement and the UV catalytic in-situ crosslinking technology, the fibrillation problem of the regenerated cellulose fibers is fundamentally solved, and the regenerated cellulose fibers have the advantages of being high in mechanical strength, high in mechanical strength and the like. Meanwhile, good mechanical property, dyeing property and hydrophilic comfort are achieved.

The invention provides a multi-stage synergistic wound repair nanofiber membrane and a preparation method thereof. The composite fiber membrane sequentially comprises an electrostatic spinning pullulan / tannic acid / tranexamic acid nanofiber membrane for promoting the formation of blood clots, a polydopamine / calcium chloride modified electrostatic spinning cellulose acetate membrane with coagulating, antibacterial and repairing effects, and a chitosan composite cellulose non-woven fabric, and the electrostatic spinning pullulan / tannic acid / tranexamic acid nanofiber membrane is a wound surface contact layer. The nanofiber membrane has the functions of a physical hemostasis barrier and continuously releasing regeneration promoting biological signals, and a dynamic hemostasis healing process is formed.

The invention relates to a highly fibrillated lyocell fiber and a manufacturing method thereof. The manufacturing method comprises the following steps that lyocell fiber tows are subjected to swelling treatment, the lyocell fiber tows subjected to swelling treatment are spread on a conveying chain plate and sequentially subjected to rolling treatment through two pressing rollers, the included angle alpha between the axial direction of one pressing roller and the advancing direction of the conveying chain plate is larger than or equal to 20 degrees and smaller than or equal to 70 degrees, and the included angle alpha between the axial direction of the other pressing roller and the advancing direction of the conveying chain plate is larger than or equal to 70 degrees. The included angle beta between the axial direction of the other pressing roller and the advancing direction of the conveying chain plate is larger than or equal to 110 degrees and smaller than or equal to 160 degrees; and carrying out cutting, opening, drying and oiling on the lyocell fiber bundle treated by the compression roller to obtain the highly fibrillated lyocell fiber. The highly fibrillated lyocell fiber prepared by the method provided by the invention is high and uniform in fibrillation degree, has moisture absorption and sweat releasing performance, compression resilience and skin-friendly softness, and is wide in application prospect.

The invention provides a LiCl / cellulose nanofiber composite membrane, a preparation method thereof and an ionic conductive humidity sensor, and belongs to the technical field of biomass nanomaterials. According to the method, cellulose pulp is used as a raw material, cellulose is dissolved in an N, N-dimethylacetamide (DMAc) / lithium chloride (LiCl) solvent system, DMAc is volatilized into air in the electrostatic spinning process, and LiCl is reserved in cellulose nanofibers. In this way, LiCl / cellulose nanofiber films with different LiCl contents can be prepared. The prepared humidity sensor has the advantages of higher sensitivity, wider detection range and short response / recovery time, and can be used in the fields of human respiration monitoring, non-contact humidity testing and the like. The invention provides a new thought for constructing a novel cellulose-based humidity sensor.

The invention belongs to the technical field of high polymer materials and textile fibers, and particularly relates to a method for preparing regenerated cellulose short fibers by an ionic liquid method, which comprises the following steps of: (1) premixing crushed pulp and ionic liquid to form slurry; (2) feeding the slurry obtained in the step (1) into a double-screw extruder, and dissolving to obtain a cellulose spinning solution; (3) conveying the cellulose spinning solution obtained in the step (2) into a coagulating bath to obtain nascent fibers; and (4) stretching, washing, oiling, drying, curling and cutting the nascent fiber obtained in the step (3) to obtain the regenerated cellulose short fiber. In the regenerated cellulose short fiber preparation process, a solvent recovery system is adopted for ionic liquid recovery. The preparation method of the regenerated cellulose short fiber is efficient and mild in dissolution process, simple and energy-saving in solvent recovery, and the obtained fiber is excellent in mechanical property.

Disclosed in the present invention are a preparation method for a lyocell bamboo fiber, and a lyocell bamboo fiber. The preparation method comprises the preparation steps of: (1) directly mixing a pulp containing at least one type of bamboo pulp with an NMMO aqueous solution containing a modifier so as to obtain a pulp paste, wherein the modifier at least contains two active groups; and (2) dehydrating and dissolving the pulp paste to obtain a spinning solution, wherein the relaxation time spectrum of the spinning solution has a bimodal distribution, and spinning the spinning solution by means of a spinning device, followed by washing with water, oiling and drying, so as to obtain a lyocell bamboo fiber. The pulp of the present invention is directly mixed with the NMMO aqueous solution containing the modifier so as to form the pulp paste, without subjecting the pulp paste to other treatments, thereby fully retaining antimicrobial components in the pulp; the pulp paste can be dehydrated and dissolved at a low temperature to obtain the spinning solution, thus avoiding the degradation of the spinning solution caused by an overly high temperature; moreover, the relaxation time spectrum of the spinning solution has a bimodal distribution, that is, different stress distributions are present within the fiber during cellulose molding, thereby being conducive to the retention of active antimicrobial small molecules within the bamboo pulp.