484 results about "Colour fastness" patented technology

The invention relates to the technical field of textile detection, in particular to a computer-aided textile color fastness prediction method, which comprises the following steps: acquiring multi-source data before and after a textile color fastness test through computer control equipment, including digital images, reflection spectrum data, process parameters and dye characteristic component data, carrying out pretreatment; extracting color difference features and spectrum similarity features, and screening by adopting a dimension reduction algorithm to form a core feature vector; a machine learning algorithm is adopted to construct a color fastness prediction model, parameters are optimized in combination with cross validation and an early stop mechanism, model fine tuning is executed, and a final optimization model is obtained; and outputting a color fastness grade prediction result, and carrying out spectrum similarity secondary verification. According to the method, objective, efficient and high-precision prediction of the color fastness grade of the textile is realized, and the problems of high subjectivity and low efficiency of traditional manual evaluation are solved.

The invention belongs to the technical field of textile, and relates to an efficient antibacterial fabric for preparing underwear and a dyeing and finishing method and application thereof.The provided antibacterial fabric is weft-knitted bird eye double-faced knitted fabric and is composed of polyester, cotton and modal fibers, the surface density is 180 g / m, surface yarn of the antibacterial fabric is hollow polyester fibers with special-shaped sections, and the surface yarn of the antibacterial fabric is hollow polyester fibers with special-shaped sections. The lining yarn is formed by weaving dacron and blended yarn according to the proportion of 2: 1. According to the method, dyeing and finishing of the antibacterial fabric, fabric weaving and ergonomic sewing are combined, the fabric which has efficient antibacterial performance, good moisture permeability and ultraviolet-proof performance and high color fastness is obtained, and the prepared antibacterial clothes are high in quick-drying performance, comfortable to wear and high in environmental adaptability.

The invention discloses a yellow reduction dyeing agent, a dyeing solution and a preparation method and application thereof, and relates to the technical field of dyeing and finishing. According to the yellow reduction dyeing agent provided by the invention, the 5-hydroxy-3-aminopyridine-2, 6-(1H, 3H)-diketone is adopted as a reduction dye, and the sodium sulfite is independently used as a reducing agent for reduction dyeing, so that the obtained dye leuco body is proper in dyeing capacity, and a dyed fabric can show excellent light brittle damage resistance. The fabric dyed by the dyeing agent has similar breaking strength before and after dyeing and even is slightly improved after dyeing and illumination, meanwhile, the color depth K / S of the fabric dyed by the dyeing agent reaches 3.2 or above, the dry and wet rubbing color fastness can reach level 4 or above, and the color fastness to illumination reaches level 6 or above.

The invention belongs to the technical field of textile printing and dyeing, relates to an efficient reactive dye ink-jet dyeing process and application, and aims to solve the problems that the traditional dyeing proofing process is tedious, the color difference of front and back surfaces of ink-jet dyeing is large, and the dye utilization rate is low. The process comprises the following steps: firstly, padding a fabric in an aqueous solution until the pick-up rate is controlled to be 60-120%, and carrying out ink-jet printing on reactive dye ink (the viscosity is 3-10 mPa.s and the surface tension is 20-50 mN / m) in a wet fiber swelling state; after printing, a 1%-10% alkali solution is immediately padded to promote permeation of the dye; and then pre-drying at 60-70 DEG C, steaming with saturated steam at 100-102 DEG C for 5-15 minutes, and washing with water to complete color fixation. According to the technology, the K / S ratio of the front face and the back face of the dyed fabric is larger than or equal to 0.95, the color fastness of the dry friction level 4-5 or above, the color fastness of the wet friction level 4-5 and the color fastness of the soaping level 4-5 are achieved, and the technology is suitable for green efficient dyeing of small-batch multi-variety fabric.

The invention belongs to the technical field of textile dyeing, and provides a salt-free alkali-free electrostatic spray dyeing method for cellulosic fibers, which comprises the following steps: uniformly mixing polyethylene oxide, reactive dye and solvent to obtain electrostatic dye liquor; the method comprises the following steps: dissolving a cationic modifier and an alkaline color fixing agent in water to prepare a cationic modified solution, padding a cellulose fiber fabric, and drying to obtain a cationic modified cellulose fiber fabric; and spraying the electrostatic dyeing liquid to the surface of the cationic modified cellulose fiber fabric through electrostatic spraying, and carrying out open-width steaming color fixation and cleaning to obtain the electrostatic spraying dyed cellulose fiber fabric. The electrostatic spraying technology is adopted to replace traditional water bath dyeing, excellent K / S value, dye uptake and color fastness can be achieved without consuming a large amount of salt, alkali and water, water resource consumption and environmental pollution are remarkably reduced, and high-salinity and high-chroma printing and dyeing wastewater is avoided.

The invention discloses a dyeing method and system of a light nylon fabric, and relates to the technical field of fabric dyeing, and the dyeing method comprises the following steps: S1, carrying out pretreatment operation on the light nylon fabric to obtain a pretreated qualified fabric, determining an initial dyeing formula in combination with a target color parameter, and optimizing to obtain an optimized dyeing formula; s2, generating a preliminary operation strategy containing control parameters based on the optimized dyeing formula, and performing dynamic calibration to obtain an optimized operation strategy; s3, optimizing the optimized operation strategy to obtain a target operation strategy so as to control the dyeing equipment to execute dyeing operation, and obtaining qualified dyed fabric. According to the method, by constructing a virtual dyeing platform, simulating a multi-parameter combination scheme and verifying the rationality of parameters in advance, actual trial and error are reduced, all the steps are closely matched, the color uniformity and color fastness of the dyed fabric are effectively improved, the deviation between the dyed fabric and a target color is reduced, the dyeing quality and the finished product percent of pass are remarkably improved, and the production cost is reduced. Meanwhile, the production cost and the resource waste are reduced.

The invention relates to a mildew-proof and odor-resistant textile material produced from conjugated fibers and a preparation method of the mildew-proof and odor-resistant textile material, and belongs to the technical field of textiles. According to the invention, the antibacterial color fixing agent is prepared, the antibacterial color fixing agent is used for carrying out ester exchange modification on PTT to obtain the modified PTT master batch, and then the master batch is used as an'island 'component to prepare the sea-island conjugated fiber, so that the technical defect that a functional auxiliary agent is dissolved in a solvent together with the'sea' component when the sea-island conjugated fiber is prepared is effectively overcome; the sea-island conjugated fiber textile material has good antibacterial performance, still has good retention rate after being washed with water, has good moisture regain and color fastness, is skin-friendly and breathable, and effectively improves the wearing comfort of the PTT-based textile material.

This invention provides an in-situ polymerized yarn and its preparation method, relating to the field of yarn textile technology. The preparation method of this in-situ polymerized yarn includes the following steps: S1. Mixing a polymer, solvent colorant, and complexing agent in a specific ratio to obtain a spinning solution; S2. Simultaneously performing electrospinning, carding, and embedding to obtain a colored nanofiber / cotton composite sliver; S3. Drawing and spinning the sliver to produce yarn. By using colored nanofibers composited with a cotton web, the finishing process is eliminated to reduce contamination. The selection of polydimethyldiallyl ammonium chloride as a complexing agent in the spinning solution increases the volume occupied by the cross-linked structure formed by the complexing agent and dye, enhancing the cohesion with the polymer and improving its color fastness.

The invention discloses a fiber textile fabric color fastness detection device, the fiber textile fabric color fastness detection device comprises a positioning member, the positioning member comprises a fixedly arranged positioning clamp and a movably arranged positioning clamp, and the two positioning clamps are used for clamping an elastic fabric together; and the stretching distance-fixing assembly is matched with the movably arranged positioning clamp to control the initial stretching deformation amount of the elastic fabric. According to the fiber textile fabric color fastness detection device provided by the invention, a complete detection system of fabric clamping, precise stretching, dynamic friction and springback speed control is constructed through collaborative design of the positioning piece, the stretching distance control assembly, the springback speed reduction assembly and the friction driving assembly; a solution is provided for three core pain points of'difficult reproduction of initial deformation ', 'neglect of rebound secondary color migration' and'disjunction of detection scene and reality 'of a traditional device.

The invention discloses a high-color-fastness washable polyethylene fabric and a preparation process thereof in the field of functional polymer materials. The high-color-fastness washable polyethylene fabric is prepared from the following raw materials: polyethylene resin, maleic anhydride-acrylic acid copolymer grafted polyethylene, dopamine-silane composite modified polyethylene, magnesium stearate and an antioxidant. Wherein the maleic anhydride-acrylic acid copolymer grafted polyethylene is prepared by copolymerizing maleic anhydride and acrylic acid and then blending and granulating with polyethylene, and carboxyl and acrylate groups are introduced to enhance the binding force with dye; the dopamine-silane composite modified polyethylene is prepared through polyethylene surface hydroxylation, dopamine self-polymerization modification and silane grafting reaction, and the acting force and hydrophobicity between fibers are doubly improved through a catechol group and an epoxy group. According to the prepared fabric, the color fastness and the washing resistance are remarkably improved, meanwhile, the original characteristics of light weight and chemical corrosion resistance of polyethylene are kept, and the application scene is expanded.

The invention relates to the technical field of labor protection clothing manufacturing, and discloses novel labor protection clothing containing bamboo fibers and a preparation method of the novel labor protection clothing. 20%-23% of cotton fiber; 28%-32% of polyester fibers; 4%-6% of nanofiber felt; 2%-3% of antistatic conductive wires; 2%-3% of an acid-proof material; 2%-3% of an alkali-proof material; 5%-7% of a flame-retardant material and 1.2%-1.6% of a flame retardant; 0.5%-1% of an acid and alkali resistant finishing agent; 0.5%-1% of an anti-shrinking agent; the preparation method comprises the steps of material pretreatment, multi-component fiber precise premixing, embedded weaving conductive yarn spinning, high-density weaving, nano functional layer compounding and synergistic after-finishing, and the bamboo fiber, the functional polyester and the nano fibrofelt are compounded through a ternary synergistic system of the bamboo fiber, the functional polyester and the nano fibrofelt and a low-temperature hot melting point bonding and electrostatic electret integrated compounding process. Therefore, the beneficial effects that the air permeability is improved, the shrinkage rate is reduced and the color fastness to washing is improved on the premise that the safety protection levels of flame retardance, acid and alkali resistance and static resistance are not reduced are achieved.

The invention provides a multidirectional rubbing color fastness detection device, and relates to the technical field of color fastness detection.The multidirectional rubbing color fastness detection device comprises a detection assembly, the detection assembly is composed of a friction mechanism and a driving mechanism, and the reciprocating movement direction of the friction mechanism can be freely adjusted, controlled and guided according to actual requirements, so that the friction mechanism can be adjusted and guided freely on the premise that a to-be-detected sample is not disassembled and assembled again; the detection direction is reset and guided, the operation process is simplified, the detection efficiency is improved, and meanwhile, the driving mechanism has two detection types of reciprocating motion and autorotation, so that the detection requirements of different types (rotary friction and reciprocating friction) can be met, and the problems that the friction head of the rubbing color fastness detection device is fixed in moving direction, and the detection precision is low are solved. And when friction detection needs to be carried out on the surface of the sample in different directions, only the clamped sample needs to be disassembled firstly, the fixed angle of the sample is adjusted and then the sample is clamped again, so that the operation steps are tedious.

The invention relates to the related technical field of costume fabrics, in particular to a high-antibacterial anti-sunshine costume fabric not prone to fading and a preparation technology, the high-antibacterial anti-sunshine costume fabric comprises a base fiber layer, and an antibacterial finishing layer, an anti-ultraviolet layer and a color fastness enhancing layer are arranged on the base fiber layer. According to the high-antibacterial anti-sunshine clothing fabric not prone to fading and the preparation process, a nano-silver and chitosan composite system is adopted, nano-silver releases silver ions to destroy the physiological structure of bacteria, chitosan inhibits the activity of the bacteria through the amino effect, the nano-silver and the chitosan cooperate with each other, the antibacterial effect of clothing is improved, nano-zinc oxide and titanium dioxide composite sol improve the antibacterial effect of the clothing, and the antibacterial effect of the clothing is improved. Through multiple mechanisms of reflecting, scattering and absorbing ultraviolet rays, broadband protection is formed, the ultraviolet rays can be effectively blocked, the high-grade sunscreen requirement is met, the skin is protected from being damaged by the ultraviolet rays, the sulfonic-group-containing organic dye fixing agent, dye molecules and fibers form chemical bond combination, a stable color fixing network is constructed, and the appearance color and luster are kept lasting.

The invention discloses a preparation method of high-color-fastness woven body paper and the high-color-fastness woven body paper, and relates to the technical field of papermaking, and the preparation method of the high-color-fastness woven body paper comprises the steps of preparing a composite dyeing assistant and preparing the woven body paper. The preparation method comprises the following steps: stirring and mixing cationic microcrystalline cellulose, sodium carboxymethyl cellulose, triethanolamine myriceate, glucan hydroxypropyl trimethyl ammonium chloride, a water-based polycarbodiimide cross-linking agent and deionized water to obtain a composite dyeing assistant, then adding the composite dyeing assistant into slurry, adding a water-based dye, and carrying out a papermaking process to obtain the composite dyeing assistant. According to the method, the color fastness of the woven body paper can be improved. The sun-proof grade of the high-color-fastness woven body paper is greater than or equal to 4 grades.

The utility model relates to the field of mesh cloth provides a high colour fastness jacking mesh cloth, solves the defect that the colour fastness of jacking mesh cloth of prior art is not high, including mesh cloth body, the mesh cloth body is by surface layer, connecting layer and bottom layer constitutes, the surface layer has jacquard weave, the surface layer is woven by wear -resisting fibre yarn and chinlon fibre yarn according to 2: 1 3: 1's number of strands, the connecting layer is the elastic fibre yarn with support performance, one end of connecting layer is connected with surface layer, the other end is connected with bottom layer, the bottom layer is woven by antibacterial microcapsule fibre yarn and moisture -absorbing and sweat -releasing fibre yarn according to 1: 1 1: 2's number of strands.

The invention relates to the technical field of image processing, in particular to a textile fabric texture area color fastness detection method and device, and the method comprises the steps: collecting RGB images before and after a test during the color fastness detection of the same textile fabric; the two images are grayed and then overlapped parts of edge contours are closed to screen out texture areas of the RGB images; determining brightness features of target pixel points in the RGB image before and after the test, identifying random noise points and constructing range weights of the random noise points, and correcting the brightness features for feature weighting of Gaussian kernel standard deviation during calculation of filtering at the corresponding pixel points; calculating a color difference value of the two filtered RGB images before and after the test in a texture area in the CLELAB color space; and outputting the color fastness grade of the texture area according to the color difference value and the color fastness grading method table. The invention aims to improve the precision of subsequent color fastness detection of the texture area of the textile fabric.

The invention relates to an N-PETG composite functional master batch as well as a preparation method and application thereof. The N-PETG composite functional master batch is prepared from the following raw materials in parts by weight: 35 to 70 parts of N-PETG carrier, 25 to 60 parts of pigment and 1 to 5 parts of additive. The N-PETG composite functional master batch provided by the invention has the advantages of excellent dispersing performance, heat resistance, mechanical property and high color fastness. The invention also provides the N-PETG composite material, through reasonable raw material proportioning and process setting, the heat resistance, acid resistance, high and low temperature cycle resistance, mechanical property and appearance attractiveness of the N-PETG composite material are improved, compared with a traditional composite material, the preparation process is simpler, the raw materials are cheaper and easier to obtain, and the N-PETG composite material is green and environment-friendly in the processing and using process and is suitable for industrial production. The material has a good application prospect in refrigerator liner materials.

The present application relates to a kind of acrylic fabric dyeing and finishing process, including low temperature adding disperse dye, and glacial acetic acid is used to dye fabric, when the dosage of disperse dye exceeds 2.0%, it needs to be reduced twice cleaning, when the dosage of dye is 0.5%~2.0%, it needs to be reduced once cleaning, remove surface attached disperse dye;When the dosage of dye is 0.5% or less, it does not need to be reduced cleaning, after completing reduction cleaning, adding organic acid to fabric for acid neutralization treatment, dehydration after tank, opening, setting.The present application can realize energy saving and time saving in dyeing process, improve the turnover rate of dyeing vat, can satisfy full color system dyeing, high dye uptake, bright color, high color fastness, good cloth surface quality.After dyeing, the hand feeling is softer than conventional polyester.

The invention relates to a cellulose fabric ozone water washing method. The method comprises the following steps: 1) feeding cloth and washing with cold water; 2) ozone water washing; 3) atomizing, spraying and washing; and 4) drying and discharging the cloth. According to the method, the strong oxidizing property of ozone is utilized, color development and auxochrome groups in unreacted dye molecules are efficiently destroyed, a better flooding removal effect is achieved, and the cleanliness and color fastness of the fabric are improved. Compared with a conventional water washing method, the water and electricity energy consumption can be greatly saved, and the use of chemical auxiliaries is remarkably reduced; and flooding dye molecules are degraded into colorless small molecules, so that the wastewater treatment difficulty is reduced, the treatment effect is improved, and remarkable environmental benefits are achieved.

The invention relates to an activating and coloring method of a polypropylene non-woven fabric, and belongs to the technical field of fabric coloring. Polypropylene non-woven fabric is modified through polydopamine, then sodium borohydride is used for reduction decoloration, and finally a dye solution is used for coloring. After reduction and decolorization, a benzophenone quaternary ammonium salt compound can be further utilized for modification, so that the color fastness of dyeing is improved. By means of spontaneous polymerization of dopamine on the surface of the polypropylene non-woven fabric, the polypropylene non-woven fabric which is originally hydrophobic and inert is converted into a material with functional activity, the surface performance of the non-woven fabric is improved, the binding capacity of the non-woven fabric and dye is enhanced, and the dyeing uniformity is improved. Sodium borohydride is used for reducing and decolorizing the polydopamine modified polypropylene non-woven fabric, so that brown chromaticity can be effectively removed, follow-up dyeing interference is avoided, active functional groups on the surface of the non-woven fabric are reserved, and good surface performance and structure of the non-woven fabric are maintained.

The invention relates to a bright-color gradient-color safety belt and a production process thereof, and relates to the technical field of fabric production processes, and the bright-color gradient-color safety belt comprises a gradient-color woven belt and a color optimization finishing agent, the color optimization finishing agent comprises the following components in parts by mass: 20-30 parts of nano disperse dye, 10-15 parts of an ultraviolet light absorber, 5-10 parts of mesoporous silica, 15-20 parts of a color fixing agent, 5-8 parts of an organic silicon softening agent, 2-4 parts of a fluorescent whitening agent, 1-2 parts of a pH buffering agent and 30-40 parts of a solvent. The production process comprises the following steps: weaving more than two yarns with different colors to obtain a gradient yarn-dyed woven belt; the preparation method comprises the following steps: removing impurities, flattening to obtain a treated braid, padding the treated braid in a color optimization finishing agent, washing with water, fixing color, shaping in cold water, drying after treatment, packaging and storing to obtain the gradient color safety belt with bright color. The gradient color safety belt has the effect of improving the optical performance, the color fastness and the structural stability of the gradient color safety belt, and has a good safety protection function and durability.

The invention relates to the field of dye chemistry, and discloses an acid dye with high color fastness, a preparation method of the acid dye and application of the acid dye in textile dyeing. According to the dye molecule, a 4-sulfo benzene ring and a 2, 5-dichlorobenzene ring are connected through an azo bridge (-N = N-), and a polysulfonate substituent group (-SO3Na) is introduced to a molecular skeleton to form a symmetric azo conjugated structure. The preparation method comprises the steps of nitration, reduction, sulfonation, diazotization, coupling and the like, the process conditions are mild, and the yield is stable. The obtained dye has a strong absorption peak in the range of 540-560nm, and the molar absorption coefficient epsilon is greater than or equal to 1.0 * 10 < 5 > L.mol <-1 >. Cm <-1 >. Compared with the conventional acid red dye, the dye has the advantages that the light fastness can reach grade 8, the fastness to washing is grade 7 or above, the color is bright, the color layer is uniform, the high dye-uptake can be realized under the low-salt condition, the conductivity of waste liquid is remarkably reduced, and the dye is suitable for dyeing protein fibers such as wool, nylon and silk.

This invention relates to the field of textile printing and dyeing, and discloses a high-colorfastness polyamide 56 fabric and its preparation method. The polyamide 56 fabric contains 70-100% polyamide 56 fiber and 0-30% spandex. The fabric has been dyed at least once, and the dye used for dyeing is a reactive dye. The polyamide 56 fabric dyed with reactive dyes of this invention has the advantages of higher dye uptake, wider pH adaptability, no need for large amounts of calcium salts for dyeing, and minimal or no use of color-fixing crosslinking agents.

The invention discloses a dyeing-free black soft polyester fiber and a preparation method thereof, and belongs to the technical field of waste polyester recycling. The preparation method comprises the following steps: melting and extruding waste PET (Polyethylene Terephthalate) with the intrinsic viscosity of 0.50-0.80 dL / g through a twin-screw extruder, and depolymerizing in an EG / BHET homogeneous system to obtain an oligomer with the polymerization degree of 5-7; mixing with carbon black slurry and a polycondensation catalyst, and carrying out pre-polycondensation and final polycondensation to obtain regenerated functional polyester; and finally, carrying out melt spinning under the conditions that the temperature is 275-285 DEG C and the speed is 2500-3500 m / min, so as to obtain the fiber with the monofilament of 0.5-2.0 dtex, the tensile modulus of 30-60 cN / dtex and the color fastness of more than or equal to grade 4. By accurately controlling the depolymerization degree and the dispersion system, the problems of pigment agglomeration, complex process and high fiber modulus in the prior art are solved, high-added-value recycling of the waste PET is realized, and the product can be used for close-fitting textiles.

This invention provides an antistatic dyeable spandex fiber and its preparation method. During spandex production, N-(2-hydroxyethyl)ethylenediamine is used as a terminating agent for chain extension, combined with the use of the stabilizer TAD, to prepare antistatic dyeable spandex fiber. This improves the dyeing rate and color fastness of spandex fiber to acid dyes and reactive dyes. Furthermore, the heat-resistant dyeable spandex can meet the high-temperature dyeing requirements in the polyester / spandex field. Simultaneously, the improved antistatic properties of the spandex fiber reduce the amount of oiling agents used by spandex manufacturers, thereby lowering production costs. For subsequent processes, it reduces the defect rate in dyeing, finishing, and weaving, saving costs.

This invention discloses a method for producing a high-elasticity fabric interwoven with diacetate and regenerated cellulose fibers, relating to the field of apparel fabric technology. The technical solution includes: fabric weaving, singeing, desizing, pre-setting, setting, dyeing, opening, drying, post-setting, padding, and pre-shrinking; wherein, dyeing includes dyeing of diacetate fibers, post-dyeing treatment, and dyeing of regenerated cellulose fibers. The high-elasticity fabric interwoven with diacetate and regenerated cellulose fibers produced by this invention has high elasticity, overcomes the defects of existing technologies, ensures the strength of diacetate fibers, improves the fabric's color fastness and elasticity, and significantly reduces fingerprints, color creases, and aurora prints.

The utility model relates to the technical field of fabric inspection, and discloses fabric inspection equipment based on a picture recognition function, which comprises a workbench and is characterized in that conveyor belts are arranged on the front side and the rear side of the middle of the workbench, a console is arranged at the top of the workbench, and a display screen is mounted on the right side of the top wall of the console; a plurality of heat dissipation grooves are formed in the right side of the outer wall of the control table at equal intervals, an image recognition mirror is installed on the left side of the bottom wall of the control table, a second servo motor is fixedly connected to the inner wall of the control table, a first bevel gear is fixedly connected to the output end of the second servo motor, and a second bevel gear is connected to the front side of the first bevel gear in an engaged mode. According to the fabric color fastness detection device, the first gear drives the rack to move, the rack pushes the friction rod to move, the fabric is repeatedly rubbed, and the problems that in the prior art, the fabric color fastness cannot be detected, the fabric color fastness needs to be used together with other detection equipment, and the cost is increased are solved.

This invention discloses a 1,6-diamino-dibenzo[a,o]perylene-7,16-dione-2,5-disulfonic acid derivative, its preparation method, and its application. Using a vat dye derivative PR177 as the parent material, a 4,4'-diamino-1,1'-dianthraquinone-3,3'-disulfonic acid derivative is formed by the Ullmann condensation of a 1-amino-4-bromoanthraquinone-2-sulfonic acid derivative. This derivative is then cyclically closed via the McMurray reaction to form the 1,6-diamino-dibenzo[a,o]perylene-7,16-dione-2,5-disulfonic acid derivative. This allows for direct dyeing without the use of sodium hydrosulfite. Compared to soluble vat dyes, it is stable when exposed to air. Furthermore, due to its good planarity, it exhibits excellent dyeing performance as an acid dye. It combines the advantages of good directness of vat dyes and good water solubility of acid dyes, especially showing excellent color fastness and exhaustion rate in wool dyeing.

The invention relates to the technical field of auxiliary detection of color fastness of textiles, in particular to a color fastness detection device for textiles. The color fastness detection device for the textiles comprises a bottom plate, a working table and connecting blocks, the working table is connected to the left side of the top of the bottom plate, the connecting blocks are symmetrically connected to the top of the working table, and the detection device further comprises an adjusting block, an elastic supporting table, a fixing assembly, an adjusting assembly and a detection assembly. Adjusting blocks are slidably connected to the inner sides of the connecting blocks, an elastic supporting table is connected between the adjusting blocks, an adjusting assembly is arranged on the workbench, and a detection assembly is arranged on the bottom plate. The driving motor serves as a power source to drive the semicircular disc to rotate, the elastic supporting table is converted from a plane state to a cambered surface state, one end of a sample can be correspondingly pushed and pulled through the conversion, the sample is made to adapt to the change of the shape of the elastic supporting table, therefore, different actual use conditions are simulated, and the flexibility and adaptability of equipment are improved.

The present application relates to a kind of blended fabric segmented steaming fixation method, comprising the following steps: blended fabric is sequentially carried out desizing, kiering, bleaching and mercerizing treatment, and pretreatment blended fabric is obtained after drying;Using composite reagent on pretreatment blended fabric is carried out padding treatment or vacuum-assisted foam impregnation treatment, and pre-treatment blended fabric is obtained after hot air drying;Prepare dye liquor, and after using dye liquor on pre-treatment blended fabric is carried out dye liquor padding treatment, then carry out segmented steaming fixation treatment, and after sequentially washing, drying, setting, obtain dyed blended fabric.The present application uses the composite reagent containing Ageratina pichurini ethanol extract and simmondsia chinensis seed oil to carry out padding treatment or vacuum-assisted foam impregnation treatment on blended fabric before dyeing, then carries out segmented steaming fixation treatment, can significantly improve the tensile strength and wash fastness of blended fabric, while giving blended fabric good gloss, and can make blended fabric keep better perspiration fastness.