127 results about "Fiber strength" patented technology

The invention relates to the technical field of fibers, in particular to a controlled-release anti-aging polypropylene fiber and a preparation method thereof. The fiber is prepared from polypropylene homopolymer resin, a reaction type interface layer master batch and a controlled release anti-aging master batch, the reactive interface layer master batch is formed by reacting and extruding maleic anhydride modified polypropylene and 3-aminopropyl terminated polydimethylsiloxane, so that the interface compatibility is enhanced; the controlled-release anti-aging master batch contains hydroxyl and peracetylated cyclodextrin grafted siloxane carriers, and an ultraviolet absorbent, a light stabilizer and an antioxidant are included, so that the controlled release of an anti-aging agent is realized. The preparation method comprises the steps of master batch preparation, final mixing granulation, melt spinning and drafting setting. The fiber strength is remarkably improved, the boiling water shrinkage rate is reduced, the strength retention rate after ultraviolet aging reaches 93% or above, the yellow index change is small, and the outdoor service life is prolonged.

The invention relates to the technical field of polypropylene fibers, in particular to a high-strength polypropylene fiber and a preparation method thereof. The problems that in the prior art, polypropylene fibers are low in strength and poor in temperature resistance are solved. The preparation method comprises the following steps: respectively prefabricating master batches through silane coupling agent modified nano titanium dioxide and carboxylated multi-walled carbon nanotubes, carrying out melt blending on the master batches, isotactic polypropylene, ultra-high molecular weight polypropylene, a liquid crystal polymer, a beta-nucleating agent and the like, and combining a double-region cooling process under high-speed spinning and two-stage temperature difference drafting to obtain the high-strength polypropylene fiber. According to the method, hierarchical dispersion and interface strengthening of nano components in a polypropylene matrix are achieved, the molecular chain orientation degree and crystallization regularity of the fiber are remarkably improved while good processability is maintained, and finally the performance of the polypropylene fiber is greatly improved.

The invention relates to the technical field of strength detection, and discloses a textile flame-retardant fiber strength detection device which comprises a testing machine main body and clamps, a group of symmetrically arranged base plates are arranged between the two clamps, upper clamping blocks are arranged on the two sides of the base plate located at the upper end of the testing machine main body, and lower clamping blocks are arranged on the two sides of the base plate located at the lower end of the testing machine main body. The upper clamping block and the lower clamping block are symmetrically distributed, positioning plates are fixedly connected to the two ends of the base plate, and sliding grooves are formed in the two sides of each positioning plate. According to the textile flame-retardant fiber strength detection device, when the end part of a sample is clamped and fixed, one end of the sample firstly passes through the space between the base plate and the upper clamping block, and then the sample passes through the space between the base plate and the other upper clamping block, so that the base plate is wrapped by the sample, and the strength of the flame-retardant fiber is detected by combining the design that the two ends of the base plate are arc-shaped and the diameters are gradually changed; the clamping force is uniformly distributed along the axial direction of the fiber, so that the stress concentration is avoided, the slippage of the sample can be prevented, the intrinsic fracture of a non-material can be reduced, and the detection precision is improved.

The present application relates to the technical field of cotton fiber detection. A kind of intelligent beam fiber strength tester, including cabinet, industrial computer, sliding table module is provided in cabinet, sectional material frame, air cylinder, beam fiber clamping mechanism, stepper motor, lever type pull rod, force sensor, displacement sensor, resistance detection plate, A / D acquisition conversion module;The application method of the tester, steps include: under normal environmental conditions, beam fiber clamping mechanism clamps fiber sample, obtains moisture regain R by resistance moisture regain conversion program conversion;Stepper motor drives lever type pull rod to stretch sample, data is made into the tensile curve F (e) of beam fiber sample-e by industrial computer, and machine learning model predicts the corrected breaking strength value and elongation rate.The present application is simple and reasonable in structure, can realize the quick and accurate measurement of cotton beam fiber breaking strength value and breaking elongation rate under different humidity conditions in normal environment, is high in informatization degree, economic and practical, and improves the accuracy of test result.

The invention provides a precursor for high-strength and high-modulus polyacrylonitrile carbon fibers as well as a preparation method and application of the precursor, and mainly solves the problems of many pre-oxidized broken filaments and low strength, modulus and elongation of carbon fibers in the prior art. According to the method, wet spinning is adopted, and the method comprises the step of drying and densifying polyacrylonitrile nascent fibers obtained through wet spinning, drying and densifying at least comprise eight hot rollers, and the light transmittance ratio of tows between any two hot rollers to previous adjacent tows is 0.9-2.0. The method can be used for industrial production of the polyacrylonitrile carbon fiber precursor.

This invention relates to the field of textile materials technology, and proposes a fiber for headscarves and its preparation method. The fiber for headscarves comprises the following components by weight: 100 parts PET resin, 2-4 parts modified graphene oxide, 8-10 parts toughening agent, and 0.5-1 parts antioxidant; the modified graphene oxide comprises the following raw materials by weight: 2-5 parts gallic acid fatty ester and 1 part graphene oxide. This technical solution solves the problem of low strength in existing PET fibers for headscarves.

A blended rope is provided having an outer sheath (8) enclosing at least a strength member (7), the strength member (7) having high-strength synthetic fibers, the strength member (7) being a blended strength member (7) formed with a combination of ARAMID fibers and HMPE fibers, the blended strength member comprising a non-homogeneous distribution of the ARAMID and HMPE fibers, wherein the weight ratio of ARAMID to HMPE in the strength member (7) is preferably a minimum of 80:20.

This invention relates to a method for preparing polyacrylonitrile-based high-performance carbon fiber precursor, mainly addressing the problems of high fiber fineness CV value, low strength, and high strength CV value in existing carbon fiber precursors. This invention employs a wet spinning process, using curved rollers in the drying and densification stage. Simultaneously, at 350–450 kPa, the relationship between steam drawing tension and steam drawing ratio satisfies a linear relationship: y = Ax - 50.6 (400 ≤ A ≤ 800, 1 ≤ x ≤ 5). Wherein, y is the steam drawing tension, and x is the steam drawing ratio. The technical solution adopted in this invention effectively solves the problems of high fiber fineness CV value, low strength, and high strength CV value in carbon fiber precursors, and can be used in the industrial production of polyacrylonitrile-based high-performance carbon fiber precursors.

The application discloses polyester staple fiber for sewing thread and a preparation method thereof. The polyester staple fiber has the following aggregation morphology: the number of crimps is 8-20 per 25 mm, the ratio of the crimp degree to the number of crimps CI / CN is 0.70-1.25, the crimp morphology of the single fiber has the morphology characteristics that the crimp wave peak width is large, and the wave peak arrangement is loose and not close, the crimp wave peak includes a type of wave peak and b type of wave peak, the width w of the a type of wave peak is 2.6-6.0 mm, the width w of the b type of wave peak is 0-2.5 mm, the proportion of the a type of wave peak is 70-100%, and the rest is the b type of wave peak; the mass index of the above fiber meets the physical performance mass index of the existing product, and simultaneously has the characteristics of high carding passability and high fiber strength utilization rate; the fiber can improve the spinnability before the production of the polyester sewing thread, and simultaneously improve the fiber strength utilization rate, and the strength utilization coefficient is increased by 5.0-17.6% compared with the previous one.

The application discloses a sea island cotton chromosome fragment capable of improving fiber strength of upland cotton and application of the sea island cotton chromosome fragment. The application provides a chromosome fragment from sea island cotton, which is a fragment located from InDel molecular marker C6STR-3 to InDel molecular marker C6STR-10 on D06 chromosome of sea island cotton. The nucleotide sequence of the InDel molecular marker C6STR-3 is shown as SEQ ID NO. 3. The nucleotide sequence of the InDel molecular marker C6STR-10 is shown as SEQ ID NO. 6. The sea island cotton chromosome fragment provided by the application can significantly increase fiber strength of upland cotton when applied to cotton molecular breeding. Meanwhile, the InDel molecular marker developed by the application provides a molecular basis for breeding of high-fiber-strength cotton varieties.

The invention relates to the technical field of textile fibers, in particular to a solid kapok viscose fiber and a preparation method thereof. According to the solid kapok viscose fiber provided by the invention, the viscose fiber is modified by adopting active components of kapok, so that the solid kapok viscose fiber with an antibacterial effect is prepared. The solid kapok viscose fiber combines the advantages of the kapok and the viscose fiber, and has the advantages of light weight, good heat retention property, high antibacterial and acarus killing effect, good moisture absorption and quick drying property and strong mechanical property. The solid kapok viscose fiber provided by the invention overcomes the defects of poor antibacterial property, low fiber strength and low stability of common viscose fibers, and the solid kapok viscose fiber is remarkably superior to traditional viscose fibers in functionality, sustainability and application range; wide application prospects are realized in the fields of clothes, home textiles, industrial textiles, filling materials and the like.

The invention discloses a novel modified elastomer foot pad and a preparation method thereof, and the preparation method comprises the following steps: mixing TPE elastomer, polycaprolactone glycol, hexagonal boron nitride and other components, carrying out twin-screw melt extrusion, cooling and pelletizing, then carrying out spinning extrusion on master batches, sequentially carrying out three-section temperature control drafting and heat setting to obtain TPE modified filaments, and carrying out extrusion molding on the TPE modified filaments to obtain the novel modified elastomer foot pad. Then doubling and twisting to obtain modified yarns, compounding the modified yarns with polyester low stretch yarns in proportion, weaving into a three-dimensional honeycomb structure through a warp knitting process, and cutting and forming to obtain the novel modified elastomer foot pad. By introducing multiple functional components into the TPE elastomer, the resilience and shape retention performance of the material can be improved, the interface bonding force can be enhanced in combination with the modified hexagonal boron nitride, the strength and stability of the TPE fiber are improved in cooperation with the master batch pretreatment and multi-section drafting and shaping process, and by means of the three-dimensional honeycomb structure weaving and zoning tension control process, the strength of the TPE fiber is improved. The novel modified elastomer foot pad with excellent buffering performance and durability can be prepared.

The invention discloses a nanoscale dispersed polyester color master batch and a preparation method thereof, the nanoscale dispersed polyester color master batch comprises the following components by mass: 85%-92% of a PET matrix, 8%-15% of a pigment, and a silane coupling agent accounting for 0.1%-5% of the mass of the pigment; the average particle size of the pigment is smaller than or equal to 180 nm, and the epoxy grafting rate of the surface of the pigment is larger than or equal to 90%. The silane coupling agent and the pigment are mixed, so that the hydrophilic polarity of the modified pigment is changed into the hydrophobic non-polarity compatible with PET, and the agglomeration driving force is eliminated; secondly, after the modified pigment and a PET matrix are treated in a high-strength flow field in a combined paddle, the problem of pigment agglomeration is solved, and a color master batch melt with the average pigment particle size smaller than or equal to 180 nm and uniform distribution is obtained through three-stage stretching flow homogenization; the nanoscale dispersed polyester color master batch which is nanoscale dispersed in pigment, uniform in coloring, high in fiber strength and capable of being stably produced is prepared.

The present application belongs to the field of textile dyeing and finishing technology, and provides an antibacterial and shrink-resistant finishing method for wool fiber products based on catalytic grafting and crosslinking, comprising the following steps: dissolving potassium hydroxide in ethanol to prepare an alkali-alcohol solution, immersing the wool fiber product in the alkali-alcohol solution to obtain a pretreated wool fiber product; synthesizing modified amino macromolecules containing disulfide bond side groups by using lipoic acid and amino macromolecules as main raw materials; immersing the pretreated wool fiber product in the modified amino macromolecule aqueous solution, and then immersing it in silver nitrate to obtain an antibacterial and shrink-resistant wool fiber product. The antibacterial and shrink-resistant finishing method forms a modified amino macromolecule crosslinking network layer on the surface of the wool fiber product, does not damage the fiber strength, and gives the wool a shrinkage-resistant effect; the modified amino macromolecule has antibacterial, reducing and coordination combination properties with nano-silver, promotes the reduction and deposition of silver ions on the surface of the wool fiber, and improves the antibacterial effect of the wool fiber product.

The invention discloses haplotypes related to cotton fiber strength and functional KASP molecular markers and detection application thereof, and relates to the technical field of plant molecular breeding and genetic markers. The haplotype is located in 5, 980, 849-5, 982 and 917 bp segments of a cotton reference genome D08 chromosome, is composed of seven SNP sites and can be divided into two types of Hap1 and Hap2, the KASP molecular marker is located at 5, 982 and 917 bp positions of the cotton reference genome D08 chromosome, and the basic group is A / T. The haplotype represented by the molecular marker is significantly related to the cotton fiber strength character, and a KASP detection primer developed based on the molecular marker has the advantages of accurate detection, simple operation, high flux, low cost and the like, can be used for screening early materials in cotton breeding, significantly improves the selection efficiency of the fiber strength character, and accelerates the breeding process of a new variety of high-quality cotton.

The application discloses a kind of silicon carbide fiber bundle liquid phase suspension impregnation device and its interface layer preparation method, belong to ceramic matrix composite interface engineering field.Device includes unwinding mechanism, mechanical pre-twist mechanism, liquid phase impregnation tank, ultrasonic suspension dispersion system, guide assembly, drying unit and winding mechanism.Method by mechanical pre-twist will fiber bundle preliminary flatten into flat strip, again introduced liquid phase impregnation tank, under the action of ultrasonic field make fiber monofilament in liquid contactless suspension state, realize the uniform adsorption and deposition of interface layer precursor.The application utilizes the acoustic streaming field generated by ultrasonic wave in liquid to make fiber monofilament "suspended" in liquid, completely avoid the hard contact damage of fiber and mechanical parts, and solve the problem of uneven impregnation of each monofilament in fiber bundle.The thickness variation coefficient of interface layer obtained by the application is ≤5%, and the fiber strength retention rate is ≥95%, which is suitable for continuous and high-quality preparation of various interface layers such as carbon, BN, SiC and oxide on the surface of silicon carbide fiber.

This invention discloses a carbon fiber double-double layup method for a composite material fuselage stringer structure. The stringer is fixed to the inside of the aircraft fuselage cylinder and adopts a carbon fiber double-double layup structure. First, the two angle parameters φ and ψ of the double-double layup are set within the range of 0º-180º and different combinations are made. Then, under a preset bending moment and a preset number of layers, the optimal combination of angle parameters (±φ, ±ψ) is determined by strength calculation. Finally, the double-double layup is repeated in a fixed cycle along the stacking direction according to the determined combination of angle parameters (±φ, ±ψ). This invention can improve the design stiffness and strength of the stringer with the same material usage, or reduce the amount of composite material used with the same stiffness or strength, resulting in high carbon fiber strength utilization and high material utilization rate.

The invention relates to the technical field of fabrics, in particular to a breathable antibacterial fabric, a preparation process and sportswear prepared from the fabric. The preparation process of the breathable antibacterial fabric comprises the steps of preparation of a composite antibacterial agent, preparation of multifunctional polyester fibers, amination modification of phenolated lignin, modification treatment of polyacrylonitrile and preparation of the breathable antibacterial fabric. The breathable antibacterial fabric is divided into an inner layer, a middle layer and an outer layer, wherein the inner layer is formed by blending modal and the like and is skin-friendly, moisture-absorbing and antibacterial; a middle polyurethane film layer; the outer layer contains polyacrylonitrile composite fibers and the like, and is antibacterial, stiff, smooth and breathable. A composite antibacterial agent is prepared from chitosan, cysteine and copper nitrate, so that the fabric is endowed with double antibacterial properties, and the drug resistance of bacteria is reduced. Through etherification treatment, component combination is enhanced, and washing resistance and antistatic property are improved; the aminated phenolated lignin and polyacrylonitrile are blended and spun, so that the strength, the air permeability and the ultraviolet resistance of the fiber can be improved, and the fabric is suitable for sportswear.

The invention discloses a steel wire shaping method and system for bridge main cable strand construction, and relates to the technical field of bridge construction. The method comprises the steps that a cable strand fiber strong belt is removed in a cable saddle area, a steel wire carding shaper is used for continuously carding steel wires to form a rectangular section, a follow-up steel wire rectangular retainer is used for continuously rolling and shaping, and the shaped cable strand enters the saddle immediately to form line production. The steel wire carding shaper realizes layered limiting carding of steel wires through a rectangular retainer body, a convex column, a comb-shaped blade and other components, the follow-up rectangular steel wire retainer locks the shape of the steel wires through a closed rectangular inner cavity of double rolling wheels, and the steel wires and the follow-up rectangular steel wire retainer are made of aluminum or nylon with the hardness lower than that of a steel wire anti-corrosion coating. The problems of steel wire twisting dislocation, plating layer damage and low efficiency in traditional construction are solved, continuous operation and smooth saddle entering are achieved, the construction efficiency is improved by 50% or above, the quality is stable and reliable, and the durability of the bridge main cable can be remarkably improved.

The utility model provides a fiber strength tester and belongs to the technical field of fiber detection. Comprising a test board, a mounting plate is fixedly connected to the top of the test board, a servo motor is fixedly connected to the outer side of the mounting plate, a roll shaft is rotatably connected to the side, away from the mounting plate, of the test board, a tension detector is clamped to the outer portion of the roll shaft, and a clamping rod and a replacement assembly are fixedly connected to the outer side of the tension detector. The replacement assembly is used for replacing roll shafts with different diameters to provide different tensile strengths, the replacement assembly is connected with the test board, the roll shafts can be replaced with the roll shafts with different diameters through the replacement assembly, the tensile strength during rotation can be adjusted, and therefore the tensile strength of the roll shafts can be adjusted, and the tensile strength of the roll shafts can be adjusted. The tensile test of different strengths can be carried out on the glass fiber, the diversified test requirements are met, and the practical performance of the device is improved.

The invention provides industrial China-hemp ultrafine powder as well as a preparation method and application thereof. The industrial hemp degumming residues are subjected to acid treatment through sulfuric acid and a dispersing agent, hydrogen bonds and glucosidic bonds in a fiber structure are destroyed, the fiber strength is reduced, and the comminutability of the fiber is improved; the fiber structure is further weakened through high-temperature treatment; and finally, performing high-speed crushing to obtain superfine powder. The method is easy to operate and high in efficiency, about 1 kg of superfine powder with the particle size being 38.68 micrometers can be prepared within 3-5 min, efficient recycling of industrial hemp waste is achieved, and the product has wide application prospects in the fields of composite materials, spinning, medicine and the like.

The invention relates to the technical field of cotton fabrics, and discloses a preparation method of a skin-friendly breathable cotton fabric, the cotton fabric is formed by weaving cotton yarn and functional polyester fiber and cotton fiber blended yarn, the wrinkle resistance of the fabric is improved, the functional polyester fiber comprises alumina grafted antibacterial agent filler and a surface grafted silicone oil molecular chain, and the functional polyester fiber has the antibacterial function. Wherein the aluminum oxide grafted antibacterial agent filler is prepared by grafting a biguanide antibacterial agent on the surface of aluminum oxide, nano aluminum oxide has a good reinforcing effect and can improve the fiber strength, the biguanide antibacterial agent has the broad-spectrum antibacterial characteristic and is good in washability and lasting in antibacterial effect, the surface grafted epoxy silicone oil can enhance the lubricity between fibers, and the antibacterial effect is lasting. The method has the advantages that the friction coefficient is reduced, the fabric feels soft, smooth and plump, the static accumulation can be reduced, the skin-friendly comfort is indirectly improved, and the fabric is woven into a latticed fabric, so that the fabric has good air permeability.

The invention discloses a high-strength light-weight capsule material which is a hose with a two-layer structure and comprises a reinforcement body and an air-tight liner lining rubber tube, and the reinforcement body is formed by weaving aramid filament flat strips subjected to flattening processing as warp and weft tows. The thickness of reinforcement bodies of the same specification is effectively reduced, and the fiber strength utilization rate is effectively increased; the bonding performance of the lining rubber pipe and the reinforcement body is improved; the relatively high air tightness can be realized by adopting the relatively thin inner liner rubber tube; and the bonding effect between the flat aramid fiber tows and the TPU is effectively enhanced.

The preparation method comprises the following steps: respectively modifying and emulsifying oily raw materials including paraffin, vaseline, transformer oil and dibutyl phthalate to prepare a modified paraffin vaseline emulsion, a modified transformer oil emulsion and a modified dibutyl phthalate emulsion; the bonding bundling property of the precursor is improved by adopting a water-soluble resin binder without a sensitization solvent, a pH regulator is also added in the formula of the impregnating compound, so that the pH value of the impregnating compound emulsion is between 4 and 6, an inhibition effect on an alkali precipitation reaction is achieved, and the pH < lt > of the high borosilicate glass fiber treated by the impregnating compound disclosed by the invention is less than or equal to 5; 7; meanwhile, a protective film is formed on the surface of the fiber, erosion of water to the fiber is reduced, the fiber strength is kept, and the comprehensive performance and production stability of the fiber precursor are remarkably improved; a binder in the impregnating compound is water-based unsaturated polyester resin, and compared with a common epoxy resin emulsion, the impregnating compound contains fewer irritant substances, so that the allergy phenomenon of workers can be reduced.

The objective of this invention is to provide a treatment agent for polyester synthetic fibers, which improves the emulsion stability when the treatment agent is prepared as an aqueous dilution, reduces the adhesion of the fiber surface to which the treatment agent has been applied, and suppresses the reduction in fiber strength. The polyester synthetic fiber treatment agent of this invention contains at least 5% by mass of a (poly)oxyalkylene derivative (A), at least 1% by mass of an inorganic acid compound (B), and at least 5% by mass of an organophosphate compound (C). The 1% by mass aqueous dilution of the polyester synthetic fiber treatment agent has a pH of 5.5 or higher and 8.5 or lower at 25°C. The inorganic acid compound (B) is selected from at least one of sulfuric acid, nitric acid, hydrochloric acid, and their salts. The organophosphate compound (C) is selected from at least one of an organophosphate having an alkyl group having 16 or more and 20 or fewer carbon atoms, and their salts.

The present application relates to a kind of method for determining carbon fiber strength based on molecular dynamics, belong to aerospace lightweight composite material design technical field.The present application constructs the method for meeting the interlayer spacing and interlayer crosslinking fragment of actual carbon fiber using molecular dynamics method, and the tensile and compression strength of normal temperature 300K-high temperature 2000K are calculated.Meanwhile, the change trend of experimental and simulation results is extremely high, and it provides strong theoretical basis for the preparation process development and service strength calculation of high-performance carbon fiber.

Disclosed in the present invention are a VDC-AN composition and a preparation method therefor. The composition is prepared from the following components in parts by weight: 5-20 parts of a vinylidene chloride monomer, 5-20 parts of an acrylonitrile monomer, 0.1-1 part of a dyeing monomer, 0.1-0.8 parts of an acrylate monomer, 0.1-1 part of a copolymeric emulsifier, 0.1-0.5 parts of an initiator, and 50-100 parts of deionized water. The preparation method comprises: (1) preparing reaction raw materials for later use; (2) preparing an emulsifier aqueous solution; (3) preparing a polymerization initiator aqueous solution; (4) preparing a residue elimination initiator aqueous solution; (5) seed emulsion polymerization; (6) feeding polymerization; and (7) post-treatment. Fibers prepared by spinning the composition of the present invention have high strength, good dyeing performance and excellent flame retardancy, and exhibit the advantages of a simple process, environmental friendliness, good product performance, etc.

The invention discloses a haplotype molecular marker related to cotton fiber strength and application of a detection primer of the haplotype molecular marker, and relates to the technical field of plant molecular biology and genetic breeding. The haplotype molecular marker is located in 112, 985, 431-112, 990 and 059bp regions of A06 chromosome of a cotton reference genome, a haplotype block is formed by nine closely linked SNP (Single Nucleotide Polymorphism) sites, the incidence relation between three haplotypes Hap1, Hap2 and Hap3 in the block and fiber strength is defined, and a new molecular target is provided for cotton fiber quality breeding. Compared with a single SNP marker, the haplotype molecular marker provided by the invention has higher stability and phenotype prediction accuracy under a complex genetic background. Genetic typing can be carried out in the cotton seedling stage based on the marker, fiber maturation does not need to be waited, the breeding period is greatly shortened, and the field screening cost is reduced.

The application discloses a kind of anti-fibrillation green finishing method for lyocell fabric, comprising: (1), preparation concentration is 2-3% cationic modification treatment solution;(2), lyocell fabric is soaked in above-mentioned treatment solution;(3), set the speed of infrared dyeing machine to 60r / min, from 20 ℃ to 55-65 ℃ with 3 ℃ / min, continue to run 25-35min, again with 6 ℃ / min to 40 ℃;(4), rinse clean with water and dry at 60 ℃;(5), preparation concentration is 1-5g / L polyacrylic acid emulsion;(6), cationic modified lyocell fabric is soaked in polyacrylic acid emulsion;(7), set the speed of infrared dyeing machine to 60r / min, from 20 ℃ to 55-65 ℃ with 3 ℃ / min, continue to run 25-35min, again with 6 ℃ / min to 40 ℃;(8), first pre-dry, then use 140-160 ℃ high temperature baking 4-6min.The application effectively reduces the fiber fibrillation tendency in the process of lyocell fabric production and use, solves the problem of fiber strength loss, and greatly reduces chemical additive consumption and environmental pollution.