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261 results about "Textile printing" patented technology

Textile printing is the process of applying colour to fabric in definite patterns or designs. In properly printed fabrics the colour is bonded with the fibre, so as to resist washing and friction.Textile printing is related to dyeing but in dyeing properly the whole fabric is uniformly covered with one colour, whereas in printing one or more colours are applied to it in certain parts only, and ...

Textile color difference detection method based on image detection

The invention relates to the technical field of textile printing and dyeing quality detection and industrial automation control, in particular to a textile color difference detection method based on image detection, which comprises the following steps: acquiring a fabric design file and yarn spectral data of a to-be-detected textile, and constructing a noisy-point-free ideal reference image; generating a theoretical damaged simulation image containing preset defect features; constructing a real observation and theoretical deduction residual matrix; comparing the structural similarity value with a preset judgment threshold: when the structural similarity value is greater than the preset judgment threshold, judging that the textile has real chromatic aberration, and generating corresponding production regulation and control instruction data; otherwise, judging that the difference is derived from environmental noise, generating a defect-free confirmation signal and recording a detection log; according to the method, the problem of reference deviation caused by dependence on physical sample cloth in the traditional technology is solved, the influence of weaving flaws, stains or warp and weft density fluctuation possibly existing in the sample cloth on the detection result is eliminated, and the purity and objectivity of the detection reference are ensured.
Owner:BAOJI DADI TEXTILE CO LTD

Phosphorus-free multifunctional environment-friendly scouring agent, preparation method and application thereof

ActiveCN117661318BVegetal fibresTextile printerHeptyl alcohol
This invention provides a phosphorus-free, multifunctional, environmentally friendly scouring agent, its preparation method, and its application, belonging to the field of textile printing and dyeing technology. The surfactants used in this invention (including 2-ethylhexanol alkyl glycoside, 2-propylheptanol alkyl glycoside, 2-propylheptanol xyloside, and isomeric tridecyl alcohol ether carboxylic acid) are all nonionic surfactants. The resulting phosphorus-free, multifunctional, environmentally friendly scouring agent is easily soluble in water, acid-resistant, resistant to high-concentration strong alkalis, hard water-resistant, low-foaming, and has strong penetrating power. It is widely applicable to cotton and its blended textile processes, achieving excellent whiteness and wicking effect in conventional annealing / scouring / bleaching processes. It contains no alkylphenol polyoxyethylene ethers or organophosphates, causing no environmental pollution and simplifying and making textile pretreatment processes more environmentally friendly.
Owner:CHINA RES INST OF DAILY CHEM IND

Dyeing control method and device for textile printing and dyeing

The invention belongs to the technical field of production control, and provides a dyeing control method and device for textile printing and dyeing. Acquiring real-time printing and dyeing process parameters and historical printing and dyeing record data of printing and dyeing equipment corresponding to the target textile; constructing a parameter fluctuation feature set based on historical printing and dyeing record data, generating a random fluctuation signal set based on the parameter fluctuation feature set, and performing analogue simulation based on the random fluctuation signal set by taking real-time printing and dyeing process parameters as an initial state to obtain a virtual process parameter chain; on the basis of the virtual process parameter chain, the printing and dyeing duration corresponding to the target textile and the textile attribute, color difference deviation data are predicted; and optimizing and adjusting the real-time printing and dyeing process parameters based on the chromatic aberration deviation data, and dyeing the target textile according to the optimized and adjusted target printing and dyeing process parameters. The color difference caused by control deviation and dynamic disturbance can be effectively counteracted, the dyeing uniformity and batch consistency are improved, the rework cost is reduced, and the method is suitable for various textile printing and dyeing scenes.
Owner:绍兴勇舜印染有限公司

Preparation method and application of performance-adjustable reactive cationic polymer

The application relates to a preparation method and application of a performance-adjustable reactive cationic polymer, and belongs to the field of textile printing and dyeing. The preparation method of the performance-adjustable reactive cationic polymer comprises the following process steps: mixing an epoxy reactive monomer with concentrated hydrochloric acid, reacting for a certain time under ice bath, and adjusting the pH of the reaction system to be neutral; adding a cationic monomer into the above reaction system, simultaneously adding a phase transfer catalyst or an organic solvent, adding an initiator drop by drop under a nitrogen atmosphere, stirring to carry out a free radical polymerization reaction, naturally cooling after the reaction is completed, and drying to obtain the reactive cationic polymer. According to the application, salt-free high-color-yield dyeing of reactive dyes can be realized when the amount of the cationic polymer is very low.
Owner:DALIAN UNIV OF TECH

Ink jet printing apparatus, ink jet printing method, and program

To provide an inkjet printing apparatus, an inkjet printing method, and a program capable of suppressing bleeding of ink and reduction in surface density even when a penetrant is used.SOLUTION: The ink jet textile printing apparatus P includes a plurality of heads that discharge the penetrant liquid and the color ink onto the fabric 3, and the control unit 6 that functions as a discharge control unit that controls the discharge of the penetrant liquid by the heads. When the amount of the color ink applied is A [g / m2] and the amount of the penetrant applied is B [g / m2], the control unit 6 controls the discharge of the penetrant from the head so as to satisfy the following Expression (1) in a case in which the amount of the color ink applied and the amount of the penetrant applied in the first color ink discharge region are A1 and B1, respectively, the amount of the color ink applied and the amount of the penetrant applied in the second color ink discharge region are A2 and B2, respectively, and A1> A2. B1 <B2 (1) SELECTED DRAWING: Figure 1
Owner:KONICA MINOLTA INC

A high colorfastness polyamide 56 fabric and its preparation method

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.
Owner:CATHAY BIOTECH INC +1

Textile printing and dyeing drying device

The utility model discloses a textile printing and dyeing drying device, and belongs to the field of textile printing and dyeing, the drying device comprises a drying box, one end of the drying box is provided with a feeding port, the other end of the drying box is provided with a discharging port, and two rotating shafts are oppositely arranged in the end port of the feeding port and the end port of the discharging port; a feeding mechanism is arranged in the drying box and comprises a clamping assembly arranged in the feeding port and used for clamping the textile fabric and a driving assembly used for driving the clamping assembly to drive the textile fabric to move between the two rotating shafts. The clamping assembly comprises a bottom plate, a clamping plate hinged to the bottom plate and a fixing piece used for fixing the movable end of the clamping plate to the bottom plate. By means of the automatic feeding mechanism, the textile fabric can be rapidly fed into the drying box from the feeding opening and moved to the discharging opening along the rotating shaft, and the feeding efficiency is remarkably improved. And the dependence on manual operation is reduced through automatic feeding, the labor cost is reduced, and meanwhile the production safety is improved.
Owner:王孟丹

Textile printing machine and printing process

PendingCN121871250AImprove the efficiency of continuous printingRotary pressesOther printing apparatusTextile printerProcess engineering
The invention relates to the field of textile printing, in particular to a textile printing machine and a printing process. The invention aims to provide a textile printing machine and a printing process. The efficiency of continuous printing on cloth can be improved. The technology comprises the following steps that S1, cloth is in butt joint into a printing machine; s2, printing the cloth through a printing machine; s3, the printed cloth is wound through a printing machine; s4, the winding radius is changed, and blow-drying is conducted from the inner layer of the wound cloth; and S5, the printing position is automatically cleaned through the printing machine.
Owner:梁晶晶

Deepening pigment printing adhesive and preparation method thereof

The invention discloses a deepening pigment printing adhesive and a preparation method thereof, and belongs to the technical field of textile printing and dyeing auxiliaries. The adhesive comprises the following raw materials: 2%-4% of 1, 5-bis [(2-hydroxyethyl) amino]-9, 10-anthraquinone, 1%-2% of hydroxyethyl acrylate, 3%-5% of hexamethylene diisocyanate, 30%-35% of an acrylate monomer, 0.6%-1% of an acrylic monomer, 0.8%-1.2% of an anionic emulsifier, 0.8%-1.2% of a nonionic emulsifier, 0.3%-0.5% of a water-soluble initiator, 1%-1.2% of ammonia water and the balance of deionized water. Firstly, three raw materials are subjected to an addition polymerization reaction to obtain a cross-linking monomer, and then the cross-linking monomer and an acrylate monomer are subjected to emulsion polymerization to obtain a target product. After the product is applied to printing, the compatibility of the adhesive and dye is improved due to the anthraquinone structure in the structure, so that the color yield of a pigment printing fabric is improved, and the effect of deepening is achieved.
Owner:SUZHOU LIANSHENG CHEM CO LTD

An ultra-low pollution environment-friendly liquid disperse dye

ActiveCN120966273BColor stableGood dispersionNatural dyesGinkgo Biloba Leaf ExtractSodium bicarbonate
The present disclosure relates to the field of textile printing and dyeing technology, and particularly relates to an environmentally-friendly liquid dispersion dye with ultra-low pollution; the environmentally-friendly liquid dispersion dye is prepared by the following steps: preparing a Hippophae rhamnoides extract, dissolving the Hippophae rhamnoides extract in an acid solution and mixing with aluminum hydroxide; preparing a Ginkgo biloba extract, dissolving the Ginkgo biloba extract in an acid solution and mixing with aluminum hydroxide; then mixing the two in a sodium bicarbonate aqueous solution with a complexing agent and a stabilizer, drying to obtain a solid, and finally reacting the solid with polyethyleneimine to obtain an environmentally-friendly orange dye with good dispersibility.
Owner:ZHEJIANG BOAO NEW MATERIALS CO LTD

Novel fluffy softening agent extremely resistant to salt, alkali and high temperature and preparation method of novel fluffy softening agent

The invention discloses a novel fluffy softening agent extremely resistant to salt, alkali and high temperature, a preparation method and application, and relates to the technical field of textile printing and dyeing auxiliaries. The fluffy softening agent is prepared from the following raw materials in parts by weight: 30 to 50 parts of octamethylcyclotetrasiloxane, 10 to 20 parts of polyether epoxy end-capping reagent, 5 to 15 parts of organic silicon derivative, 1 to 3 parts of emulsifier, 2 to 6 parts of surfactant, 0.5 to 2 parts of bacteriostatic agent, 0.05 to 0.1 part of pH regulator and 40 to 70 parts of solvent. The fluffy softener prepared by the method can endow a fabric with an excellent soft, fluffy and elegant hand feeling style, has extremely salt-alkali-resistant and high-temperature-resistant stability performance, and has no obvious influence on the whiteness, color light and fastness of the dyed fabric.
Owner:JIANGSU YUDAO BIOLOGICAL TECH CO LTD

Combined oil smoke purification unit

The utility model discloses a combined oil fume purification unit, which belongs to the technical field of oil fume purification and comprises two purification channels and a purification box. The two filter plates are respectively arranged in the two purification channels, and an adaptive fan is arranged in the purification channel on one side; the water storage plate is arranged at the upper end of the purification box; according to the combined type oil fume purification unit, through the two filter plates arranged in the combined type oil fume purification unit and the plurality of rotatable first nozzles, oil fume generated in the textile printing and dyeing process can be deeply filtered and purified very effectively, and small particles and impurities in the oil fume can be intercepted and adsorbed; a plurality of rotatable first spray heads spray purification liquid, so that the capability of decomposing and removing harmful substances in the oil fume is further enhanced, it is ensured that impurities and harmful substances in the textile printing and dyeing oil fume can be thoroughly removed, and the purification efficiency and practicability of the combined oil fume purification unit in practical application are improved.
Owner:BEIJING ZHONGKE MINGKUI ENVIRONMENTAL TECH CO LTD

A Flexible Scheduling Method, System, and Application for UPMS Workshop Based on an Improved Differential Evolutionary Algorithm

This invention discloses a flexible scheduling method, system, and application for UPMS (Upright Manufacturing System) workshops based on an improved differential evolution algorithm. The method includes: establishing an independent parallel machine scheduling model with sequentially dependent mold-changing time as the objective of minimizing the maximum completion time; using real-valued vector encoding and decoding it into a scheduling scheme through the maximum position value rule; performing mutation and crossover operations of the differential evolution algorithm on the generated test vectors, with optimizations including load balancing optimization based on destruction and reconstruction and mold-changing optimization based on sequential smoothing; finally, updating the population and outputting the optimal scheduling scheme. This invention significantly reduces sequentially dependent mold-changing time, achieves dual optimization of load balancing and mold-changing cost, and improves solution accuracy and efficiency, making it particularly suitable for discrete manufacturing workshops such as textile printing and dyeing, and injection molding.
Owner:YANGO UNIV +1

Textile printing and dyeing processing system and process

The invention relates to the field of textile printing and dyeing, in particular to a textile printing and dyeing processing system and a textile printing and dyeing processing technology. The textile printing and dyeing processing system comprises a device support, two sliding seats are slidably connected to the device support, two swing seats are slidably connected to each sliding seat, and compression springs I are fixedly connected between the swing seats and the sliding seats; two printing and dyeing rollers are arranged among the four sliding seats, and a plurality of coating spaces are formed in each printing and dyeing roller; the process comprises the following steps: 1, introducing different coatings into a coating space through a plurality of coating pipelines; 2, the textile fabric to be printed and dyed penetrates through the space between two printing and dyeing rollers, and the two printing and dyeing rollers continuously rotate; 3, different coating spaces are arranged in the printing and dyeing roller, and different coatings are printed and dyed on the textile fabric in the rotating process of the printing and dyeing roller; and various colors can be printed and dyed on the cloth according to different use requirements.
Owner:万陈

Silicon PU resin for printing and preparation method thereof

The embodiment of the invention discloses silicon PU resin for printing and a preparation method thereof, and relates to the technical field of textile printing. The invention relates to a silicon PU (polyurethane) resin for printing, which is prepared from the following raw materials in parts by weight: 30 to 45 parts of 1, 4-cyclohexyl diisocyanate, 45 to 75 parts of hydrogenated phenyl methane diisocyanate, 60 to 80 parts of PTMG (polytetramethylene glycol), 30 to 50 parts of polycaprolactone polyol, 90 to 110 parts of hydroxyl organic silicon monomer, 4 to 8 parts of micromolecule chain extender, 10 to 15 parts of hydrophilic chain extender, 7 to 14 parts of end-capping reagent, 8 to 10 parts of triethylamine and 0.1 to 0.2 part of catalyst. 700 to 1000 parts of acetone and 180 to 240 parts of deionized water. The silicon PU resin for printing is stable in state and excellent in product film-forming property, three-dimensional property, washability, wear resistance, temperature resistance, elasticity and the like, meets the technological requirements of silica gel printing, is emission-reducing and environment-friendly in synthesis process, and has a wide application prospect.
Owner:LIAONING FIXED STAR FINE CHEM

Preparation method of water-based digital printing priming white adhesive cement

The invention relates to the field of textile printing materials, and discloses a preparation method of water-based digital printing bottoming white adhesive cement, which comprises the following steps: mixing water-based acrylate emulsion with an auxiliary agent and a macromolecular quaternary ammonium salt color fixing agent to obtain a premix; mixing the premix with filling powder to obtain dispersion liquid; and adding a curing agent and a thickening agent into the dispersion liquid and mixing. The macromolecular quaternary ammonium salt color fixing agent is prepared by reacting an organic silicon modified allylamino phosphorus-containing bromine substituent and bis (dimethylamino) phosphoric acid hydrogenated cardanol ester; the organic silicon modified allylamine phosphorus-containing bromine substituent is prepared by preparing the allylamine phosphorus-containing bromine substituent from allylamine, phenyl dichlorophosphate and 2-bromoethylamine hydrobromide as raw materials and then reacting the allylamine phosphorus-containing bromine substituent with heptamethyltrisiloxane. The white rubber cement prepared by the preparation method is bright in color and clear in pattern, can be recycled and reused, and has the advantages that the white rubber cement is easy to prepare, the cost is low, and the application prospect is wide. The color fixing fastness, the flame-retardant and fire-proof performance, the net blocking prevention performance and the hand feeling comfort degree are good.
Owner:JIANGMEN CAIGE ENVIRONMENTAL PROTECTION TECH IND

Reactive dyes useful for the fixation of the dry heat setting process, their preparation and dyeing applications

The present application belongs to the field of fine chemical industry and textile printing and dyeing, and relates to a reactive dye which can be used for fixing color of dyed polyester fabric by dry heat setting process, a preparation method and dyeing application thereof. The reactive dye provided by the present application has a general structure, and the present application also simultaneously provides the use of the reactive dye, i.e. fixing color of dyed polyester fabric by dry heat setting process. Through ingenious design and application of the carbene type dye, the present application realizes high color fastness effect of dyed polyester fabric, eliminates the adverse factors of high temperature heat setting, and expands the optional range of setting heat setting process (temperature, time).
Owner:ZHEJIANG SCI-TECH UNIV

A waste liquid recycling device for textile printing and dyeing

The utility model discloses a kind of textile printing and dyeing waste liquid recovery treatment device, including processing tank, further include: rotary electrolysis component, rotary electrolysis component includes electricity column, pivot is installed in the side of electricity column;Electricity column side is connected and is installed with support, the side of support is provided with first electric pole, the other side of first electric pole is provided with second electric pole, electrolytic plate is fixedly installed between first electric pole and second electric pole, the surface of electrolytic plate is provided with sieve hole array.This utility model is provided with rotary electrolysis component, this component is by using point explanation flocculation mode to make the impurity in waste liquid gather on the surface of sieve hole by flocculation mode, since using is point explanation mode, make the efficiency of cleaning greatly improve.Since flocculating material is directly adsorbed on the surface of sieve hole, subsequent cleaning mode is also very simple, direct flushing can realize cleaning.Avoid the difficulty of replacing filter element in prior art, thus having advanced nature.
Owner:WUJIANG YUNSHENG DYEING & WEAVING CO LTD

After-finishing processing method for fabric containing antibacterial cotton

The invention belongs to the technical field of textile printing and dyeing, and particularly relates to an after-finishing processing method of a fabric containing antibacterial cotton. Comprising the following steps of fabric singeing, desizing, tentering, super softening, preshrinking and finished fabric obtaining. In the tentering process, softening finishing is carried out, and a softening agent is a non-silicon softening agent; the pH value is 6.5-7 during material rolling in the tentering process; the pH value of the desizing trough and the water washing trough is 6.5-7.5. The super-soft equipment adopts rope-shaped super-soft equipment produced by the PENTEK company, and the hand feeling is further improved. According to the invention, through a set of customized process, a series of combination fists such as mercerizing and non-ironing finishing are omitted, the pH environment is strictly controlled, and a specific softening agent is forbidden are used, so that the'native 'function of the antibacterial cotton is ensured not to be damaged. According to the systematic thought of realizing function retention by avoiding damage, the antibacterial rate of the finished product on staphylococcus aureus stably reaches 98% or above, and the antibacterial requirement of high-end products is met.
Owner:LUTAI TEXTILE

Disperse dye as well as preparation method and application thereof

The invention relates to the technical field of textile printing and dyeing, and particularly discloses a disperse dye as well as a preparation method and application thereof. The disperse dye provided by the invention comprises a disperse pigment and an auxiliary agent, the auxiliaries comprise ionic liquid containing imidazolyl, sodium gluconate and sucrose stearate. According to the invention, specific components of the auxiliary agent in the disperse dye are limited, and all the components have a synergistic effect, so that the structural stability of the disperse pigment in an alkali and hydrogen peroxide coexistence environment is obviously improved, and the dyeing uniformity and stability of the disperse dye on polyester-cotton knitted fabric can also be improved.
Owner:JIHUA 3543 KNITTING CLOTHING

A method for improving the ozone fastness of indigo dyed denim

The application discloses a method for improving the ozone fastness of indigo dyed jean fabric, and belongs to the field of textile printing and dyeing processing technology, and comprises the following steps: adding the indigo dyed jean fabric into a treatment bath containing reactive amino condensate and secondary amino organosilicon emulsion, controlling the bath ratio to be 1:30, heating to 60 DEG C for treatment for 45 min, taking out the fabric, dehydrating, and drying at 100 DEG C-120 DEG C. The prepared reactive amino condensate has the advantages of high amino content, strong reducing effect and strong ozone resistance; meanwhile, the reactive amino condensate has reactivity and can react with the fiber during fixation, and has durability; the treatment bath of the application is added with the secondary amino organosilicon emulsion, which can provide the softness of the fabric, and the secondary amino group in the molecule also has a reducing effect, so that the ozone color fastness can be improved.
Owner:SUQIAN FIBER INSPECTION INST +1

Printing system, method for dyeing medium, and ink set

The invention provides a printing system, a method for dyeing a medium, and an ink set, which can appropriately perform printing and dyeing processing. The printing system includes a control device that controls printing by the printing device and textile printing by the heat treatment device. The control device includes a print data creation unit, a print control unit that prints information on a medium based on print data, and a printing condition setting unit that sets at least a heating temperature of the medium and a heating time of the medium in the printing process. The inks contained in the ink group each contain a sublimable dye as a color-developing component, and the dye contained in the magenta ink is disperse red 146. The printing condition setting unit sets the heating temperature in the printing process to a first temperature higher than the heating temperature when the dye contained in the magenta ink is disperse red 60, and sets the heating time to a first time longer than the heating time when the dye contained in the magenta ink is disperse red 60.
Owner:MIMAKI ENGINEERING CO LTD

Textile printing and dyeing wastewater treatment device applying ozone treatment technology

The utility model relates to the technical field of wastewater treatment devices, in particular to a textile printing and dyeing wastewater treatment device applying an ozone treatment technology, which comprises a filter shell, a purification shell is fixedly mounted on one side of the filter shell, a drawing shell penetrates out of the outer wall of the filter shell, an ozone generator is embedded in the front end of the purification shell, and a water outlet is formed in the front end of the ozone generator. A conveying pipe penetrates out of the bottom end of the ozone generator, a disc type aerator is fixedly installed at the end, penetrating into the purification shell, of the conveying pipe, and a treatment mechanism is arranged in the purification shell. The treatment mechanism comprises a fixed shell, the fixed shell penetrates out of the interior of the purification shell, escaped ozone gas is filtered and decomposed through the activated carbon filling layer and the metal oxide catalyst filling layer, the situation that the heating type decomposition efficiency is low is avoided, ozone can be decomposed rapidly, the situation that the decomposition effect is poor is avoided, and the ozone treatment efficiency is improved. Therefore, the discharged gas contains ozone, and the surrounding environment and workers are affected.
Owner:KELINTAI TEXTILE TECHNOLOGY (JIANGSU) CO LTD

Printed carpet and manufacturing method thereof

The invention relates to the technical field of textile printing and dyeing products, in particular to a printed carpet and a manufacturing method thereof. The printed carpet comprises a base carpet and a pattern layer arranged on the surface of the base carpet. The manufacturing method of the printed carpet comprises the steps that S1, a base carpet made of polypropylene fiber, polyester or polypropylene fiber blended materials is selected, the surface of the base carpet is cleaned, and the water content of the base carpet is smaller than 1%; s2, carrying out surface activation treatment on the base blanket; s3, performing pattern layer ink-jet printing on the base carpet subjected to surface activation treatment to obtain a semi-finished carpet; and S4, drying and curing the semi-finished carpet, and then cooling the semi-finished carpet to below 50 DEG C to obtain the finished printed carpet. The technical problem that in the prior art, a polypropylene fiber / polyester printed carpet is poor in adhesive force is effectively solved.
Owner:KUNSHAN YIJIAJU TEXTILE CO LTD

A waste heat recovery system for dyeing and printing

This invention relates to the field of textile printing and dyeing, and discloses a waste heat recovery system for printing and dyeing, including a printing and dyeing box, a drying box, a heat exchanger, and a wastewater deep treatment box. The discharge port of the printing and dyeing box and the inlet of the drying box are connected by a conveyor belt. A wastewater input pipe is connected between the wastewater discharge port of the printing and dyeing box and the high-temperature inlet of the heat exchanger. A wastewater output pipe is connected between the low-temperature discharge port of the heat exchanger and the inlet of the wastewater deep treatment box. A dye input pipe is connected to the low-temperature inlet of the heat exchanger, and a dye output pipe is connected between the high-temperature discharge port of the heat exchanger and the dye inlet of the printing and dyeing box. A waste heat recovery component is installed on the drying box. This waste heat recovery system makes full use of the heat from the printing and dyeing wastewater to preheat new dyes, achieving resource reuse and saving the resource costs required for printing and dyeing.
Owner:SHAOXING XIAN BAOXING PRINTING & DYEING CO LTD

A method for treating high-concentration printing and dyeing wastewater

The application discloses a treatment method of high-concentration printing and dyeing wastewater, which comprises the following steps: uniformly mixing a reaction catalyst with the high-concentration printing and dyeing wastewater, then transferring to a hydrothermal reaction kettle (PTFE lining) to react, and obtaining a transparent aqueous solution and black precipitate at the bottom after the reaction is completed. It is detected that the removal rate of the dye is greater than 99% and the removal rate of the colority is greater than 95% after the hydrothermal reaction. The obtained clear brine solution after the hydrothermal reaction can be returned to preparation of dye liquor or used as a washing solution in a washing process in a textile dyeing and finishing process, and the obtained black solid is a dye-derived carbon material, which can be used in multiple fields such as electrochemical energy storage, catalysis and adsorption. The application essentially provides a method for direct treatment and resource utilization of high-concentration and high-salinity printing and dyeing wastewater, which can realize reuse of brine in wastewater and utilize waste heat of the wastewater, and has important significance for resource utilization of textile printing and dyeing industrial wastewater.
Owner:CENT SOUTH UNIV

Water-Based Adhesive Composition For Textile Printing, Transport Belt, And Textile Printing Apparatus

A water-based adhesive composition for textile printing of the present disclosure includes water, a (meth)acrylic resin, and a persulfate, in which a content of the persulfate is 100 ppm or more and 2000 ppm or less. A pH of the water-based adhesive composition for textile printing at 23° C. is preferably 7.5 or more and 9.0 or less.
Owner:SEIKO EPSON CORP

A polyester fabric continuous pad dyeing device and pad dyeing process

The present application belongs to the field of textile printing and dyeing technology, and particularly relates to a polyester fabric continuous pad dyeing device and pad dyeing process, which comprises a pad dyeing frame; a feeding roller is arranged on one side of the top of the pad dyeing frame, and a tension roller is arranged below the feeding roller; through the design of a mixed turbulent flow component, the dye is delivered to the inner and outer rotating rods by a circulating pump to realize dye circulation; the fabric advances to drive the guide wheel to rotate, drives the first driving wheel and the first driven wheel, and makes the inner rotating rod rotate reversely; the spiral plate agitates the dye; at the same time, the motor drives the third driving wheel to drive the axial stirring rod to stir the dyeing liquid in the same direction; the outer rotating rod uniformly sprays the dye; the design of the staggered arrangement of the spiral plates, the liquid outlet holes and the diffusion holes further enhances the mixing effect; multiple components cooperate to stir the dye from multiple directions, avoids stratified precipitation, ensures uniform dye concentration, greatly improves the mixing efficiency compared with the traditional method, effectively solves the dyeing color difference problem, and significantly improves the dyeing uniformity and product quality.
Owner:ZHUJI SHENGYUE DYEING & FINISHING CO LTD