3538 results about "Dyeing" patented technology

The invention relates to the technical field of intelligent control, and discloses a dyeing process optimization method and system based on intelligent control. The dyeing process optimization method based on intelligent control comprises the following steps: acquiring key parameters of a dyeing process to obtain an original data set; performing preprocessing and feature extraction on the data set to obtain a feature data set; constructing a deep learning prediction model by using the feature data set, and executing multi-objective optimization through a non-dominated sorting genetic algorithm to obtain an optimal process parameter combination; and performing scheme analysis based on the optimal parameters to obtain an intelligent dyeing scheme. Multi-parameter collaborative optimization of the whole process of the dyeing process is realized, dependence on human experience is reduced, dyeing quality consistency is improved, self-learning and self-adaptive capabilities are achieved, optimization strategies can be automatically adjusted according to different fabric characteristics and production conditions, and production efficiency is improved. Therefore, the problems of large quality fluctuation, high energy consumption, poor adaptability and the like in the traditional dyeing process are solved.

The invention relates to the technical field of cloth dyeing uniformity detection, in particular to a cloth dyeing uniformity detection method and system based on image analysis, and the method comprises the steps: building a three-dimensional optical response model according to the optical characteristics of a fluff cloth fiber material; calculating to obtain a villus shadow intensity distribution diagram according to the linear polarization degree image data, and calculating to obtain a theoretical artifact reflectivity distribution diagram through a three-dimensional optical response model according to the villus shadow intensity distribution diagram and the surface normal vector mapping data; extracting an actual measurement reflectivity distribution diagram from the hyperspectral image data, and performing differential operation on the actual measurement reflectivity distribution diagram and the theoretical artifact reflectivity distribution diagram to obtain a real dyeing component diagram; dividing villus unit grids on the real dyeing component graph, and calculating a spectral fingerprint variance value of pixels in each villus unit grid; and when the spectral fingerprint variance value exceeds a preset process tolerance threshold value, judging that the corresponding fluff unit grid has a real dyeing defect. And the identification precision of the dyeing defects of the fluff cloth is effectively improved.

The invention relates to the technical field of data fusion, in particular to a textile production traceability-oriented data fusion method and system. The method comprises the following steps: obtaining textile production workshop sensing data and textile production workshop camera data, and carrying out textile production chain data stream data fusion to obtain a textile production chain data stream; performing feature cross calculation according to the textile production chain data stream to generate a processing technology enhanced feature space; performing fingerprinting on the textile production chain data stream to obtain a cross-chain time-space stamp fingerprint set; evaluating the batch production quality of the textile production line based on the camera data of the textile production workshop, and obtaining batch data of a to-be-traced production line and batch data of a to-be-stored production line; evaluating the abnormal batch dyeing optimization feasibility of the production line batch data to be traced; and transmitting the batch data of the to-be-stored production line and the batch data of the to-be-traced production line after the dyeing optimization task to a workshop warehouse management platform. The production efficiency is improved, and resource waste is reduced.

The invention discloses a dyeing method of an ornamental blue dye, and relates to the dyeing method of the ornamental blue dye, through combination of plasma treatment and boiling-off, fiber impurity diseases can be effectively removed, the surface activity is enhanced, the adsorption uniformity and permeability of the dye are improved, and tiny pits exist on the fiber surface subjected to plasma treatment, so that the dyeing quality is improved. Compared with the prior art, the method has the advantages that when the dye is dyed, the molecular structure is changed, the roughness is higher, the dip dyeing firmness of the dye is improved, and the fiber damage can be reduced and the dye utilization rate can be improved on the premise of ensuring the dyeing effect by optimizing the components of the ornamental blue dyeing solution and the pretreatment solution. Besides, by means of segmented treatment in the dyeing process, dye can be promoted to fully permeate into the fibers, dyeing defects are reduced, the dyeing firmness is improved, finally, microwave is used for assisting color fixation, bonding of the dye and the fibers is further increased, the color fixation time is shortened, and meanwhile the coloring firmness is obviously improved.

The invention relates to cloth printing and dyeing defect visual detection equipment, and belongs to the technical field of cloth detection. The invention aims to solve the problems of poor shooting effect and low detection precision in a detection box caused by difficulty in detecting the head end and the tail end of cloth and easiness in loosening, wrinkling or deviation during transmission in the conventional equipment. The equipment comprises a rack, a detection box, a winding roller, a driving roller, a motor II, a driving mechanism and a pulling mechanism. A plurality of guide rollers are arranged on the rack and are used for guiding cloth to move; the detection box is fixed at the top of the rack and is internally provided with a camera and a light supplementing lamp which are arranged at an angle of 45 degrees and can clearly shoot the front and back surfaces of the cloth; the winding roller is matched with the driving roller through the driving mechanism, cloth winding is achieved under driving of the motor II, the driving mechanism can adjust the position of the winding roller according to the winding diameter, the equipment stably pulls the cloth through the pulling mechanism and flattens the cloth in cooperation with a pressing wheel of the leveling assembly, the detection precision is effectively improved, and the device is suitable for flaw detection work after printing and dyeing of various kinds of cloth.

The invention provides a double-mechanical-arm control system applied to different dyeing scenes, relates to the field of fabric dyeing control, and solves the technical problem that a fine cooperation strategy does not aim at different dip dyeing requirements. The method comprises the steps that a scene sensing module collects image information and physical information of a to-be-dyed fabric and judges the dyeing type; the central cooperative control and decision module is connected with the scene sensing module and used for calling a corresponding cooperative strategy according to the dyeing type to analyze and generate a double-mechanical-arm layered cooperative operation instruction set including the target movement track, the posture, the speed and the dip dyeing depth. And the double-mechanical-arm driving module receives the layered collaborative operation instruction set, calculates final motion parameters of all joints of the double mechanical arms and drives the double mechanical arms to perform control according to scenes. The self-adaptive updating module stores dyeing process parameter records to form a dyeing database. And optimizing and updating the collaborative strategy algorithm. The method is used in the fabric dyeing control process.

The invention relates to the field of color master batches, and discloses a color master batch with good colorability and high weather resistance as well as a preparation method and application of the color master batch, and the color master batch comprises the following components: polyolefin-based resin, core-shell structure carbon black particles, a hyperbranched dispersant, a grafted ultraviolet absorbent, a CeO2 / TiO2 composite photocatalytic additive and a dynamic cross-linking agent; the preparation method comprises the following steps: S1, carrying out functional modification treatment on the core-shell structure carbon black particles; s2, synthesizing a hyperbranched dispersant; s3, preparing a grafting type ultraviolet absorbent; s4, preparation of a CeO2 / TiO2 composite photocatalytic auxiliary agent; s5, premixing all the components; s6, performing double-screw dynamic cross-linking extrusion molding; and S7, cooling and granulating. The thermal stability of the color master batch is effectively improved by introducing the dynamic cross-linking agent and the ultraviolet absorbent, and the dynamic cross-linking agent forms a three-dimensional network structure by cross-linking resin molecules, so that the color master batch has better stability under a high-temperature condition.

The invention provides a substituted amino bipyridine derivative as well as a preparation method and application thereof, the structure of the substituted amino bipyridine derivative is as shown in formula I. In the formula, R1, R2, R3 and R4 are independently selected from any one of H, C1-C6 alkyl, C2-C6 alkenyl, C2-C20 alkynyl, C3-C6 cycloalkyl, C5-C20 aryl or C5-C20 heterocyclic radical; when R1, R2, R3 and R4 are not methyl, no more than one of R1, R2, R3 and R4 is H; and when any one of R1, R2, R3 and R4 is methyl, the rest groups are independently selected from H or methyl. When the substituted amino dipyridyl derivative provided by the invention is used as a blue dye, the dyed blue dye is bright in color, deep in dyeing and comprehensive in dyeing fastness; the preparation process is simple, convenient to purify, safe, simple, convenient and energy-saving, the product quality is stable, the reproducibility is good, the yield is high, and the method is suitable for industrial production.

The invention discloses a sewage treatment system and method based on combination of ultrasonic micro-electrolysis and catalytic oxidation, and relates to the technical field of environmental protection, and the method comprises the following steps: sewage is pretreated by generating active free radicals through ultrasonic enhanced micro-electrolysis, and then enters a catalytic oxidation unit to be deeply mineralized together with ozone; the ultrasonic power, the ozone adding amount and the reflux ratio are dynamically adjusted through the fluid circulation and intelligent control unit; and the tail water is fed back through online monitoring to reach the standard. The system integrates an ultrasonic micro-electrolysis module, a catalytic oxidation module, an intelligent control module and an automatic backwashing module, and realizes closed-loop optimized operation. The method solves the problems of low treatment efficiency of refractory organic matters, strong drug dependence, easy damage of equipment, poor adaptability and the like in the prior art, obviously improves the COD removal rate to 95% or above, reduces the energy consumption by 20%, does not need additional drugs, is suitable for high-difficulty wastewater treatment of printing and dyeing, pharmacy and the like, and has the advantages of high efficiency, stability, low consumption and engineering.

The invention relates to the field of school uniform fabric production, in particular to a preparation method of an environment-friendly quick-drying school uniform fabric, which comprises the following preparation steps: S1: material selection, S2: fiber functionalization treatment, S21: plasma surface modification, S22: enzymatic polishing, S3: blended yarn preparation and fabric weaving, S4: fabric dyeing, S5: multifunctional composite finishing, S51: spraying of a waterborne polyurethane coating, S52: ozone washing water softening, s6, carrying out post-treatment; the regenerated polyester, the organic cotton and other raw materials are adopted, the regenerated polyester is made of recycled PET plastic bottles and is environmentally friendly and economical, polar groups on the surface of the regenerated polyester are activated through plasma surface modification, the hygroscopicity is greatly improved, the quick-drying performance is enhanced, and by means of a unique double-layer honeycomb mesh structure and a double-strand yarn optimization treatment mode, the moisture absorption performance is greatly improved. A multidirectional moisture guiding channel is formed, and the moisture evaporation rate is increased, so that the prepared school uniform fabric is environment-friendly, durable and comfortable while maintaining high-breathability and quick-drying performance.

The utility model discloses a stirring kettle for in-situ dyeing of a PBO polymer, which belongs to the technical field of stirring kettles and comprises a kettle body, a feeding port and a driving motor are arranged at the upper end of the kettle body, the driving motor is connected with a stirring shaft through a coupler, the stirring shaft extends into the kettle body and is connected with a stirring frame, stirring blades are arranged on the stirring frame, and a discharging port is arranged at the lower end of the kettle body. The discharging port is connected with a conical spiral conveyor, the lower end of the stirring shaft is connected with a first spiral belt shaft through a one-way driving mechanism, the first spiral belt shaft is arranged in the conical spiral conveyor, and a first spiral belt is arranged on the first spiral belt shaft. The PBO polymer and the pigment are both contained in the kettle body through the feeding port, the motor rotates forwards to mix materials (the conical spiral conveyor is static) when rotating forwards, high-speed and high-efficiency mixing of the pigment and the polymer materials is achieved, after the pigment is mixed, the motor rotates backwards to drive the stirring shaft to rotate, and the stirring frame, the stirring blades and the first spiral belt shaft rotate backwards, so that the stirring effect is achieved. And the mixed material in the kettle body is discharged from the discharge hole through the conical spiral conveyor.

The multi-station full-automatic drop dyeing HE dyeing machine comprises a machine table, and a feeding heating mechanism, a stock bin runner and a discharging mechanism are arranged on the machine table; the feeding and heating mechanism is used for conveying the stock bin into the stock bin runner; a plurality of second machining stations are arranged on the machine table, a plurality of stock bin pushing mechanisms are arranged on the stock bin flow channel, and the stock bin pushing mechanisms are used for pushing the stock bins to slide on the stock bin flow channel; the discharging mechanism comprises a discharging pushing mechanism and a discharging runner, and a first machining station is arranged in the middle of the discharging runner; the discharging pushing mechanism can push the stock bins to the first machining station and can also push the stock bins on the first machining station to the discharging end. A liquid injection mechanism and a waste liquid recovery mechanism are arranged on the machine table, the liquid injection mechanism is used for injecting liquid medicine into the stock bin, and the waste liquid recovery mechanism is used for pumping away waste liquid in the stock bin. According to the invention, full-automatic assembly line work of tissue slices from heating, multi-station dyeing to discharging can be realized, and the equipment treatment flux and the dyeing efficiency are obviously improved.

The invention relates to the technical field of microbial fermentation, and particularly discloses a composite blue dye and a fermentation process thereof. According to the method, the fermentation temperature and pH are controlled, the flux of synthesized mesoscopic blue is limited, part of the flux is led to synthesis of pyridone, the mesoscopic blue in the fermentation liquor is regulated and controlled to be mixed with pyridone in a certain proportion, and the purified product mesoscopic blue is compounded with pyridone to form the composite blue dye with a stable specific color. The cost of separately purifying the ornamental blue and the pyridone and then mixing the ornamental blue and the pyridone according to a certain proportion to obtain the composite blue dye is reduced, so that the composite blue dye can be better applied to a subsequent dyeing process. According to the invention, a blue-viewing product form is added, a better dyeing effect can be achieved on the premise of not increasing the production cost, and the application market is widened.

The invention discloses cloth printing and dyeing equipment which comprises a shell, an unwinding roller, a first guide roller, a second guide roller, a first tensioning roller, a second tensioning roller and a discharging roller are sequentially arranged on the shell, a cleaning chamber and a printing and dyeing chamber are arranged in the shell, and the cleaning chamber and the printing and dyeing chamber are separated through a partition plate. The unwinding roller, the first material guide roller, the second material guide roller and the discharging roller are equal in horizontal height, the horizontal height of the first tensioning roller and the horizontal height of the second tensioning roller are lower than the height of the unwinding roller, the first tensioning roller and the second tensioning roller are arranged in the printing and dyeing chamber, and a cleaning device used for cleaning dust on the surface of cloth is arranged in the cleaning chamber. Through the technical scheme, the dyeing effect of the cloth is improved.

The invention relates to the field of textile equipment, in particular to a vortex spinning production auxiliary device and a using method thereof.The vortex spinning production auxiliary device comprises a dyeing box used for supporting, a feeding guide groove and six sets of dyeing guide rollers are arranged on the rear portion of the inner end face of the dyeing box, and the feeding guide groove is communicated with the dyeing guide rollers; and the six groups of dyeing guide rollers are rotationally clamped on the inner end surface of the dyeing box body. By arranging the extruding device, when redundant coloring agents of vortex spinning yarn are extruded and guided out, the upper and lower groups of extruding guide rollers can synchronously and reversely rotate under the transmission of a speed reducing motor, a transmission clamping shaft, a driven bevel gear and a driving bevel gear, and meanwhile, a supporting spring can provide enough elastic force for the upper and lower groups of extruding guide rollers; the upper and lower groups of extrusion guide rollers are arranged, so that when the upper and lower groups of extrusion guide rollers guide out the vortex spinning yarns, the vortex spinning yarns can be synchronously and elastically extruded, excessive coloring agents are further removed, and the efficiency and the practical performance of the equipment for dyeing the vortex spinning yarns are effectively improved.

The invention belongs to the technical field of hair dyes, and particularly relates to a high-grease repairing ammonia-free low-sensitivity essential oil hair dye cream and a preparation method thereof. The ammonia-free low-sensitivity hair dye comprises the following raw materials in percentage by mass: 32-40% of ammonia-free low-sensitivity essential oil, 5-12% of an emulsifier, 5-10% of a thickener, 3-6% of a hair dye, 3-5% of a pH regulator, 1-3% of a humectant, 0.4-0.8% of an antioxidant, 0.1-0.5% of essence, 0.1-0.3% of a chelating agent, 0.05-0.15% of keratin and the balance of water. The ammonia-free low-sensitivity essential oil is a mixture of coconut oil, camellia seed oil, grape seed oil, macadamia nut seed oil, simmondsia chinensis seed oil and squalane. The high-grease repair ammonia-free low-sensitivity essential oil hair dyeing cream provided by the invention can simultaneously meet the effects of lasting color fixation, repair performance and stable storage.

The utility model relates to a dyeing device for a high-grade garment fabric, which comprises a dyeing box body, a dyeing box cover and a dyeing box cover, the heating assembly is arranged at the bottom of the dyeing box body and is used for heating and preserving heat of the dye liquor; the airflow stirring assembly is arranged in the lower area of the dyeing space and used for providing bubble flow for disturbing the dye liquor; the dye liquor circulating assembly comprises a dye liquor circulating pipeline, the inlet end of the dye liquor circulating pipeline is connected to the upper area of the dyeing space, and the outlet end of the dye liquor circulating pipeline is connected to the upper portion of the airflow stirring assembly; and the roller transmission assembly is used for guiding the fabric to pass through the dyeing space and completing the dyeing operation. Compared with the prior art, the dyeing device can improve the dyeing quality, efficiency and the like of high-grade garment materials which are easy to damage.

The present invention relates to the field of fabric production technology, and more specifically, to an impregnation and finishing device for sportswear fabrics, comprising a soaking tank, a U-shaped frame, and a tensioning assembly, etc.; two U-shaped frames are fixedly connected to the soaking tank; each U-shaped frame is connected to a tensioning assembly for assisting in the rotation and tensioning of the fabric, and the two tensioning assemblies are symmetrically distributed. The present invention clamps the fabric between the two circular slip rings by using four rollers on the two circular slip rings, and rotates them clockwise, so that the fabric between the two circular slip rings changes from a horizontal state to a vertical state, and then the vertical fabric between the two circular slip rings is sunk into the dye in the soaking tank for soaking. When the fabric is taken out of the dye solution after the dyeing is completed, the air flow continuously discharged through three groups of air outlets distributed in an inverted eight shape accelerates the flow rate of the dye on the fabric, and the dye at the bottom of the fabric is shaken off by the small amplitude vibration generated by the fabric stopping moving.

The invention discloses a dyeing machine cloth guide wheel set structure capable of preventing cloth winding, and relates to the technical field of dyeing machines. A support frame is fixedly mounted at the top of the dyeing machine through bolts; the use method of synchronous driving and preliminary guiding, air film resistance reduction and dynamic supporting, intelligent wrinkle detection and smoothing deviation correction and secondary smoothing and adhesion separation is adopted, the front guide roller, the adjusting guide roller and the rear guide roller are synchronously driven by a servo motor to convey cloth, and the cloth is conveyed by the front guide roller, the adjusting guide roller and the rear guide roller. According to the multi-dimensional cooperative anti-wrinkling and anti-winding system, the multi-dimensional cooperative anti-wrinkling and anti-winding effects are achieved through the cooperative effect of three core dimensions of tension control optimization, active path deviation correction and physical separation adhesion on the whole, and the anti-wrinkling and anti-winding effect is achieved through the multi-dimensional cooperative anti-wrinkling and anti-winding effect of the multi-dimensional cooperative anti-wrinkling and anti-winding system, so that the multi-dimensional cooperative anti-wrinkling and anti-winding effect is achieved. And the risks of wrinkle formation and subsequent winding of the cloth in the cloth guiding process are efficiently eliminated.

The invention discloses a spandex-free elastic woven fabric and a preparation method thereof.The preparation method comprises the steps that on a material layer, graphene / nano-silicon dioxide modified PBT / PTT composite fibers are adopted as warp yarn, and a spring-damping elastic structure is constructed; the surface warp yarns are made of carbon nano tube coated superfine denier chinlon, so that the surface friction is reduced; the weft yarns are Yacell / PTT (polytrimethylene terephthalate) double-component core-spun yarns, so that the transverse elasticity and the moisture absorption and conduction functions are coordinated; in the process level, precise weaving is achieved through an AI tension control system and a magnetic suspension weft insertion technology, and the stress distribution of the fabric better conforms to the human motion law in combination with a digital twinning optimization bionic sine wave structure; the fiber damage is avoided by adopting a supercritical CO2 anhydrous dyeing and finishing technology; and finally, the conductivity and the wear resistance are improved through graphene nanosheet padding treatment. According to the invention, integration of high elasticity, high durability and intelligent response is realized.

The invention belongs to the technical field of biological sample detection, and particularly relates to a microscanning and classifying all-in-one machine for a cell pathology dyeing sealing sheet and a dyeing method of the microscanning and classifying all-in-one machine for the cell pathology dyeing sealing sheet. Comprising a machine body, a top feeding assembly, a dyeing assembly, a lifting and transferring assembly, a glue dripping assembly, a piece sealing assembly, a microscope scanning assembly and a stacking and storing assembly. According to the method, isochronous standardized dyeing is adopted, all sample slide plates are further arranged before each cycle, the dyeing time of each step is equal accurate time, large-flux standardized dyeing can be performed, and a standardized dyeing method which is high in flux, high in speed, good in dyeing effect and accurate in time is formed. And meanwhile, micro-scanning is integrated into a whole to form a full-automatic assembly line with a small-space large-flux function and full feeding and discharging convenience.

The invention relates to the technical field of color detection, in particular to a color difference calculation optimization method and system for archaized linen viscose reactive dyeing. Comprising the following steps: monitoring a fabric motion state in real time, calculating a motion speed and displacement, and determining a spectrum acquisition opportunity and a position compensation parameter; illuminating the surface of the to-be-detected fabric at an acquisition position through a polarized light source, and performing polarized spectrum data acquisition in the normal direction of the surface of the fabric to obtain reflection spectrum information; exciting the surface of the to-be-detected fabric by adopting an ultraviolet light source, collecting fluorescence spectrum data, and identifying different fiber areas; calculating fiber density distribution in the fiber area, and constructing a layered weight system; calculating chromatic aberration of the fiber area based on the reflection spectrum information, extracting chromatic aberration characteristics, and measuring and calculating an antique degree quantification result; setting a color difference threshold value standard according to an antique degree quantification result, and adjusting a color difference threshold value according to an evolution trend; and based on the layered weight system and the chromatic aberration threshold, performing weighted calculation on the chromatic aberration value of the fiber region to obtain a comprehensive chromatic aberration evaluation result.

The invention discloses waterless colored spun yarn dyeing equipment and a waterless colored spun yarn dyeing method, and relates to the technical field of spinning dyeing. The device comprises a cylinder body, a yarn guide mechanism is fixedly arranged on one side of the cylinder body, a yarn drawing mechanism is arranged on the inner side of the cylinder body, a shell is fixedly arranged on one side of the cylinder body, drying mechanisms are fixedly arranged on the two sides of the shell, the yarn guide mechanism comprises a fixing frame, one side of the fixing frame is fixedly connected with the cylinder body, and the other side of the fixing frame is fixedly connected with the cylinder body. Two yarn guide holes are formed in the upper surface of the fixing frame, a connecting frame is fixedly arranged on the lower surface of the fixing frame, and a fixed yarn guide frame is arranged on the lower surface of the connecting frame. The spinning yarn body is driven by the yarn drawing thread to move in the dye pool, uniform dyeing is achieved, or hot air can be generated through the drying mechanism to rapidly dry the dyed yarn, and the dyeing efficiency and quality are improved.

The invention discloses a garment fabric production printing and dyeing process monitoring and control system, and relates to the technical field of printing and dyeing monitoring, the garment fabric production printing and dyeing process monitoring and control system comprises a data acquisition module, a processing module and an execution module, the data acquisition module comprises a plurality of monitoring units, and the monitoring units are distributed in a working area of printing and dyeing equipment and are arranged at positions of different heights; a plurality of monitoring units are configured on each height level of the working area; each monitoring unit divides the working area into a plurality of monitoring areas. Multi-layer and multi-point monitoring units are arranged in the printing and dyeing equipment, dye temperature, flow velocity and concentration data are collected in real time, the data consistency and the anti-jamming capability are improved in cooperation with the preprocessing and normalization technology, the processing module can call historical calibration data based on the process conditions, and the accuracy of calibration is improved. And performing difference comparison and trend analysis on the data of each monitoring area.

The invention relates to the technical field of zero-dyeing spun fabrics, in particular to dyeing degree detection equipment and process for zero-dyeing spun fabrics, which comprises a fabric conveying frame, a pressing mechanism is fixedly connected to the front side of the top of the fabric conveying frame, and an extrusion mechanism is fixedly connected to the rear side of the pressing mechanism. By arranging the fabric conveying frame, the material pressing mechanism and the extruding mechanism, the efficient and accurate zero-dyeing spinning fabric coloring degree detection process is achieved, through a series of precisely-designed mechanical structures and transmission devices, automatic rolling, soaking, extruding and laser scanning detection of the fabric are achieved, and the detection efficiency is improved. The device and the process have the advantages that the accuracy and the reliability of detection results are guaranteed, the whole detection process is compact and ordered, the production quality and the production efficiency of the zero-dyeing spinning fabrics are greatly improved, in addition, the device and the process have high flexibility and are suitable for the zero-dyeing spinning fabrics with different thicknesses and materials, and the application range of the device and the process is further widened.

Product use by means of the invention for dyeing and coloring or the like of substrates made of fibers, fiber cables, yarns made of cut and filament fibers, flat structures such as woven fabrics, knitted fabrics, warp-knitted fabrics, non-woven fabrics and ready-made clothing and home textiles and the like, in particular of textiles with 100% or with mixtures thereof. These can be made of plant and animal natural fibers, stem fibers, synthetic fibers of petrochemical or natural origin as well as special fibers such as soy fibers, milk fibers, bamboo fibers or fibers that are difficult to dye such as aramid, polypropylene.

The invention discloses leather-imitated superfine fiber layered synthetic leather and a production process thereof, and belongs to the technical field of synthetic leather. The production process of the synthetic leather comprises the following steps: carrying out superfine fiber alkali treatment and DMC / HEMAP / UV-1 monomer graft copolymerization modification; forming a fiber net by air laying and gradient needling; anionic water-based PU resin containing wood powder is used for impregnation reinforcement, and soft hydrolysis-resistant water-based PU resin is used for coating to form a porous surface layer; and performing wet solidification, bionic embossing, cationic dye dyeing and surface finishing to obtain a finished product. Through fiber modification, gradient structure, bi-component PU cooperation and process optimization, the problems that traditional synthetic leather is hard in hand feeling, poor in breathability, low in texture simulation degree, difficult to dye, weak in interlayer binding force and the like are solved, and the product has high simulation degree and excellent comprehensive performance and stability.

The invention belongs to the technical field of textile materials, and discloses an easy-to-dye composite polyester fiber and a preparation method thereof. The preparation method comprises the following steps: by taking polyethylene glycol terephthalate as a core layer and low-melting-point polyester as a skin layer, carrying out melt spinning to prepare skin-core composite fibers; after heating and melting a skin layer, bombarding by using a titanium dioxide nano particle flow to obtain roughened fibers; after plasma treatment, dipping with an activating solution of triethylamine and 4-methylbenzenesulfonyl chloride to obtain activated fibers; carrying out ultrasonic reaction on the activated fiber and a modifier under the catalysis of tetrabutyl titanate, and washing and drying to obtain the easy-to-dye composite polyester fiber. The prepared composite polyester fiber not only has the advantage of being easy to dye, but also has excellent antibacterial performance and flame retardant performance, and the quality of the composite polyester fiber is effectively guaranteed.

The invention provides an energy-saving dyeing machine and a dyeing process thereof, and relates to the technical field of dyeing machines, the energy-saving dyeing machine comprises a plurality of bins which are sequentially arranged from the inlet side to the outlet side of a dyed fabric, and the bins comprise an ice water soaking chamber, a shaking chamber, a high-temperature airflow jet chamber, a dyeing chamber, an airflow drying chamber and a cleaning chamber; wherein the ice water soaking chamber is used for carrying out low-temperature pretreatment on dyed fabric; the shaking chamber is used for shaking the dyed fabric to improve the state of the fabric; the high-temperature airflow jet chamber is used for preheating the dyed fabric through high-temperature airflow; the dyeing chamber is used for dyeing the dyed fabric; the airflow drying chamber is used for carrying out airflow drying on the dyed fabric; the cleaning chamber is used for cleaning the dyed fabric. The water consumption can be effectively reduced, the dyeing uniformity is improved, the device adapts to the characteristics of the linen and the blended fabric of the linen, and efficient and energy-saving dyeing treatment is achieved.

The invention relates to the technical field of dyeing and finishing, and particularly discloses a biological blue dye, a dyeing solution as well as a preparation method and application thereof. The pyridone dye is mixed into the ornamental blue dye, the ornamental blue light is adjusted, the ornamental blue light shifts to the cyan light, and the red light effect is weakened, so that the problems of reddish color and insufficient dyeing depth after ornamental blue dyeing can be effectively solved, and along with the increase of the mixing proportion of the pyridone dye, higher color depth can be obtained under the same dyeing concentration and number of times, and the dyeing effect is improved. The dry and wet rubbing fastness of the dyed cloth is improved by 0.5 level.