58 results about "Dyeing" patented technology

The invention discloses a processing technology for super-imitated-cotton/fine-denier damp conduction polyester comfortable mercerized velvet warp knitting fabric. The processing technology comprises a super-imitated-cotton fiber technology, a fine-denier damp conduction elasticated polyester filament yarn elasticating technology, a warping technology, a warp knitting fabric weaving technology, a warp knitting fabric dyeing technology and a warp knitting fabric tidying technology. Fine-denier polyester with the damp conduction function and super-imitated-cotton fiber yarn are used for interweaving, the processes of weaving operation conducted by an imported warp knitting machine of a high machine number in the TM2 series and hydrophilic soft finishing conducted by a polyether modified organic silicon finishing agent are conducted, so that the super-imitated-cotton/fine-denier damp conduction polyester comfortable mercerized velvet warp knitting fabric with the good wearability is developed, the developed warp knitting fabric has the advantages of softness, heat retention, a skin-touch friendliness and comfort of cotton and has good mechanical property and heat resistance of polyester, certain defects of common polyester warp knitting nap type knitted products are overcome in the aspect of wearability, and the level and the additional value of the product are improved.

The invention relates to a durable cotton fabric antifungal finishing method based on click chemistry. The durable cotton fabric antifungal finishing method includes the steps that cotton fabric is coarsened, placed in 1-5wt% of 3-mercaptopropyl triethoxy silane KH-580 solution, vibrated, cleaned and dried to obtain pretreated cotton fabric; the pretreated cotton fabric is soaked in a GTAC solution, the pH value is adjusted to be 6-10, and the cotton fabric reacts for 6-8 h under the stirring condition at the temperature of 30-40 DEG C and is cleaned and dried to obtain the cotton fabric with a durable antifungal function. The method is simple and easy to implement, various original excellent properties of the cotton fabric can be kept, hydrophilic dyeing property is improved while antifungal performance is achieved, and the antifungal finishing method is environmentally friendly, safe, and persistent in effect and has no harm to human body and environment.

The invention discloses a water pollution online analysis and quick source tracing method used for strengthening supervision of wastewater discharged by enterprises in the industries of printing and dyeing, coking, electroplating, electronic manufacturing, papermaking, pharmacy, metal manufacturing and the like. According to the method, a multi-channel laser Raman online analysis and multi-channelelectrochemical online analysis combined technology is adopted to perform online analysis and monitoring on multiple types of pollutants possibly occurring in a monitored water area, and the online analyzed and monitored water pollution data is analyzed automatically by utilizing a pre-constructed pollution source database, source tracing software and a data analysis platform so as to realize online water pollution source tracing. By adopting measures such as multiple test channels, a wide-electrochemical potential window three-dimensional bismuth film alloy electrode, a modulation asymmetricsquare wave test method, a surface enhanced Raman accessory and the like, the test rate, the detection capability and the monitoring resolution capability of online analyzing and testing various types of pollutants are ensured.

The invention relates to a continuous cold-rolling and steaming dyeing process and equipment of an active dyestuff. The continuous cold-rolling and steaming dyeing process comprises the following steps: 1, padding the dyestuff; 2, steaming and fixing color; 3, soaping; 4, carrying out acid washing; 5, softening and fixing color; 6, squeezing and drying. In the step of padding the dyestuff, the active dyestuff and a color fixing auxiliary agent are prepared separately; in an active dyestuff preparation process, a penetration auxiliary agent is added; the prepared active dyestuff and the color fixing auxiliary agent are mixed online and then are added into a dyeing vat; the temperature of a dyeing solution in the dyeing vat is controlled to be 0 to 10 DEG C and the time for padding the dyestuff is 4s to 8s; a small-capacity dyeing vat is adopted as the dyeing vat and the updating period of the dyeing solution is 8min to 15min; a sewing body, yarns or textiles pass through a plurality of groups of rollers in the dyeing vat for a plurality of times of squeezing and pad dyeing. The continuous cold-rolling and steaming dyeing process and equipment of the active dyestuff have the beneficial effects that continuous type dyeing is carried out; the production efficiency is greatly improved and the labor intensity is alleviated; the consumption of energy sources and resources including water, power, steam and the like is also greatly reduced and the environment pollution is further reduced.

The invention relates to a dyeing and finishing technology of a nano multifunctional fabric, which comprises the processes of fabric singeing, cold padding, reverse padding, oxygen blenching, washing, mercerizing, emerizing, dyeing, functional finishing and the like, so the fabric has multiple functions of water resistance, oil resistance, fouling resistance, easiness in decontamination and non-ironing. A silk emerizing roller carries out fabric emerizing treatment, so the fabric has a peach skin style. The fabric undergoes a special finishing and processing procedure to obtain the corresponding functions to meet certain special use requirements, the fabric has a strong functional finishing purpose, a good effect and a high product additional value, in the meanwhile, the functionality of the fabric has a good environmental protection performance, production and operation safety, and a final product is not toxic, has no side effect and good function durability.

The invention discloses a high-temperature gas-liquid dyeing machine, comprising a cylinder block, a main pump and a heat exchanger. Fabric in the cylinder block is cycled through a combination nozzle, a lift roller, an air nozzle, a fabric arrangement mechanism and a fabric storage tank; the combination nozzle includes a water nozzle and an atomizing nozzle; the water nozzle and the atomizing nozzle are communicated in a fabric moving direction; the main pump is communicated with the heat exchanger through a cylinder bottom main pipe; the heat exchanger is communicated with the water nozzle and the atomizing nozzle through a cylinder top main pipe. The high-temperature gas-liquid dyeing machine is suitable for crease and tension sensitive fabrics and provides good expansion for fabrics; flocs are rarely left in the machine herein and are easier to clean; a pump front automatic hair remover helps decrease manual operation; the requirement on dyeing process is low; water, gas and electricity are saved; dyeing quality and dyeing efficiency are high; the manufacture process is simple, and the cost is low.

The invention relates to a method for dyeing a polyester fiber type material by using an oligomer removing agent. The method comprises the following step: adding the oligomer removing agent and a dyeing assistant into a dyeing bath together to dye the polyester fiber type material, wherein the formula of the oligomer removing agent comprises the following raw materials: 10-20 parts of dicarboxylic acid di(C1-C4) alkyl ester, 14-26 parts of aromatic di(C1-C4) carboxylic acid, 30-50 parts of aliphatic diol or aliphatic polyol, 10-20 parts of difunctional sulfonated monomer, 10-30 parts of polyether and 15-100 parts of polyoxyethylene sorbitan fatty acid ester. According to the method provided by the invention, by adding polyoxyethylene sorbitan fatty acid ester, good synergy is realized, the dispersion performance of a dyeing solution is enhanced, the adsorption of a condensed matter in the dyeing solution to the surface of fiber can be better inhibited, and the problems caused by a polyester oligomer in a dyeing process are further solved. Thus, the dyeing of fabric is uniform, the color fastness is improved, and the stability of a product is enhanced.

The invention belongs to the technical field of fabric processing, and more concretely relates to a preparation method of spandex-free elastic cloth. The preparation method comprises the following steps: 1) selecting materials comprising the following materials by weight: 75-80 parts of stretch polyester, high stretch yarn terylene, stretch nylon yarn or high stretch nylon yarn, and 20-25 parts of monofilament; 2) refining at a low temperature; 3) pre-shaping: controlling the pre-shaping temperature at 200 DEG C; 4) dyeing; 5) reducing and cleaning; 6) shaping; and 7) packaging. In the preparation method of spandex-free elastic cloth, the stretch yarn is of a 'w' shape originally and is straightened during weaving; low temperature refining makes the straightened yarn back to 'w' shape; the yarn keeps the 'w' shape during shaping so that the fabric is elastic.

The invention relates to a method for recovering heavy metals in high-chlorine salt and high-acid wastewater, which belongs to the field of dangerous waste treatment and resource recycling. High-saltand high-acid wastewater undergoes hydrochloric acid resolution, adding medicine precipitation and calcium separation, neutralization and precipitation, acid-adding precipitation and zinc and lead separation, carbonate precipitation, residual heavy metal adsorption by exchange resin and evaporative crystallization, so that salt is obtained, and evaporative cooling water is used for washing metal precipitate sludge. After being treated by the method, wastewater is recycled, heavy metals are separated and recovered, crystallized chlorine salt can be adopted as a material for the chlor-alkali industry, bleaching in printing and dyeing and the like, and resource recycling of the heavy metal in the water is realized.

The invention discloses a method for comprehensively determines the dyeing performance of silk threads by large circular knitting and dyeing detection and 'three matching color' dyeing detection. Thus, the accuracy and reliability of the determination of the dyeing performance of the silk threads are improved greatly.

Provided is equipment for cloth material spinning with a function of squeezing out wind. The equipment comprises a dyeing shell body, wherein the inner portion of the dyeing shell body is provided with a dyeing cavity, a cloth material penetrates through the inner portion of the dyeing cavity, the upper and lower sides of the cloth material are symmetrically provided with two spraying feeding devices, the spraying feeding devices comprise mounting columns, the mounting columns run through the dyeing shell body and are fixedly connected, the inner portions of the mounting columns are provided with dyestuff containing cavities, the inner portions of the dyestuff containing cavities are provided with moving rubber blankets, vertical columns are arranged above the moving rubber columns, the vertical columns are provided with grooves with downward openings, the grooves are internally provided with threaded rods, and the top ends of the threaded rods are fixedly connected with output shaftsof first motors. The equipment for the cloth material spinning with the function of squeezing out wind has the advantages that the first motors drive the threaded rods to rotate, lifting columns cooperating with the threaded rods move downward, thereby the lifting columns drive the moving rubber blankets to move downward to squeeze dyestuffs in the dyestuff containing cavity, so that the dyestuffsare injected through dyestuff spraying pipes.

The invention provides a high-efficiency and environmental-protection dyeing post-processing method of a medium or dark terylene knitted fabric. The method is characterized in that high-temperature dyeing raffinate is discharged under a high pressure in the dyeing and cooling process, heat energy conduction of the raffinate is used to make clear water injected to a dye vat insulated and heated, and the discharged dyeing raffinate is discharged after being cooled to 70 DEG C or less, wherein the heat energy conduction of the raffinate is realized through a heat exchanger; the heat exchanger comprises a water inlet assembly and a water outlet assembly; the water inlet assembly and the water outlet assembly are arranged at intervals; and a swiveling channel is arranged in the water outlet assembly. The above environmental-protection and low-carbon cleaning method reaches the dyeing effect (such as color fastness to water washing and bleeding) of traditional technologies, and has the advantages of time saving, increase of the production efficiency, energy saving and environmental protection.

The invention discloses an identical pulp transfer printing method of a cotton-polyester blended fabric. The method comprises the following steps of (1) preparing printing slurry; (2) performing printing; (3) fixing the color; (4) performing water washing. The identical pulp transfer printing method of the cotton-polyester blended fabric solves the problems of poor compatibility, low color yield and the like of dispersion dye and active dye in different pH value ranges due to color fixing conditions are solved, so that the cotton-polyester blended fabric can simultaneously achieve the coloringeffects; the dyeing is vivid; the dyeing firmness is high; good drapability and strength are realized; the solarization performance and the waterproof performance are good; the technical problems oflow activity of the cotton-polyester blended fabric and wide mass production incapability of dispersion identical pulp printing are solved.

The invention relates to a purifying agent for bleaching and dyeing sewage, comprising ferrous sulfate, acid water, acid mud, aluminum sulfate, polypropylene milling amine and calcium hydroxide; wherein, the weight account of various materials are: ferrous sulfate 50 to 70, acid water 2 to 10, acid mud 2 to 10, aluminum sulfate 5 to 20, polypropylene milling amine 0.5 to 1.5 and calcium hydroxide 10 to 30. The invention has the advantages of low cost, 0.30 RMB per cubic metre of the sewage, meeting the national standards of the sewage treatment, recycling the disposed water, and saving water resource .

The invention relates to the field of active dye in the novel technology and especially relates to low-alkali or alkali-free active bright-blue dye and a preparation method thereof. The invention provides the low-alkali or alkali-free active bright-blue dye shown in the formula (1), and in the formula (1), M represents hydrogen or alkali metal. In dyeing, the low-alkali or alkali-free active bright-blue dye can be crosslinked and fixed to cotton fibers only by use of 1-3g/l of an alkali agent and even, the low-alkali or alkali-free active bright-blue dye can be crosslinked and fixed to the cotton fibers under the condition of dyeing bath pH of 7 and no alkali agent. The preparation method is a novel technology completely different from the traditional technology and is especially suitable for blended fabric dyeing. The low-alkali or alkali-free active bright-blue dye and the cotton fibers are bonded by covalent bonds and thus dry and wet fastness, solarization fastness and washing fastness are stable and good. Separated picolinic acid is a vitamin and has small influence on the environment.

The invention provides a pure cotton cheese dyeing method. The pure cotton cheese dyeing method is characterized by comprising the following process flows: applying an additive, and performing cheese dyeing and drying; in an additive applying process, uniformly applying the additive to pure cotton yarns by utilizing an oiling device on an SSM slack-type winder; simultaneously, staining the yarns into required slack cheese; dyeing the slack cheese by using active dye, performing cheese dyeing on the slack cheese in a cheese dyeing machine, and performing normal after-treatment after performing conventional dyeing directly without performing pretreatment; and finally, performing conventional drying. According to the pure cotton cheese treated by the method, the defects of low strength, much hair, multiple neps, poor fastness and the like are avoided; the cost is equivalent to normal cheese dyeing cost, and is reduced by about half of that of the traditional colored spun yarns; moreover, the production number is easy to control, and is suitable for quick production of small batches and multiple varieties.

The invention discloses antibacterial cotton chinlon graphene twill fabric and a dyeing method thereof, and belongs to the technical field of textile. The fabric adopts a structure of two upper twillweaves and one lower twill weave formed by tatting warp yarns and weft yarns; the twill weaves are repeated continuously; the warp yarns are 32S cotton yarns and are formed by spinning combed cotton through a ring spinning method; the weft yarns are 70D pure chinlon and 70D chinlon containing graphene; the 70D pure chinlon and the 70D chinlon containing graphene are distributed at intervals; in the chinlon spinning process of the 70D chinlon containing graphene, 0.5 to 5 percent of graphene materials are added into spinning liquid, so that the yarns have the wear resistance and high stretchingresilience rate characteristics of the chinlon, also has the antibacterial property, warm-keeping property, anti-static property, ultraviolet resistance and high air permeability of the graphene, andeffectively protects human body health while increasing the comfort level of the clothing fabric.

The invention discloses an ultrasonic improved fabric dyeing device and a process thereof. The ultrasonic improved fabric dyeing device comprises a dyeing furnace and a workbench; a dyeing cylinder isfixedly arranged in the dyeing furnace; a temperature sensor A is fixedly mounted on an inner side of the dyeing cylinder; an electric heating thermostatic water bath is fixedly arranged on an outerside of the dyeing cylinder; a support A is arranged on an upper end of an inner cavity of the dyeing furnace; and an ultrasonic transmitter A and a transducer A are arranged on an upper end of the support A. The ultrasonic improved fabric dyeing device and process can measure and obtain the dyeing rate at different dyeing temperatures and radiation frequencies, and compare and obtain the dyeing temperature and the radiation frequency at the best dyeing rate; an ultrasonic frequency signal emitted by an ultrasonic transmitter B is converted into co-frequency mechanical vibrations through a transducer B, the dye liquor is irradiated in an ultrasonic longitudinal wave form so as to enhance the stirring and diffusion effect of the dye, the dissolution of the soluble dye is accelerated, and the dyeing rate is improved. The best dyeing temperature and radiation frequency can be measured when different fabrics are dyed so as to improve the dyeing rate, and measurement is convenient.

The invention discloses a method for improving the recycling efficiency of dyeing residual liquid. The method comprises the steps of establishing a data calculation relation of dye-concentration quantitative analysis according to an ultraviolet visible absorption spectrum of a dye solution; according to the calculation relation, preliminarily calculating the addition quantity of recycled dyes in simulated residual liquid, continuously correcting the addition quantity of the recycled dyes according to the dyeing effect to obtain the final addition quantity, and establishing a data calculation relation between the addition quantity for recycling and the preliminarily calculated addition quantity; during production and processing of the recycled dyeing residual liquid, collecting the ultraviolet visible absorption spectrum of the residual liquid, preliminarily calculating the addition quantity and then calculating the actual addition quantity to achieve prediction of the added dyes, so that the recycling efficiency is improved. The method has the advantages that the cost is low, the operation is convenient, and the requirement for equipment is low. The obtained method for improving the recycling efficiency of the dyeing residual liquid is high in accuracy and simple in calculation, prediction of the addition quantity of the dyes can be accurate, the color adjustment frequency during recycling can be reduced, the recycling efficiency is improved, and the recycling cost is reduced.

The invention relates to the technical field of chromium-containing wastewater treatment, in particular to a method for treating chromium in tanning dyeing and finishing wastewater. The method for treating chromium in tanning dyeing and finishing wastewater comprises the steps of (a) mixing pretreated dyeing and finishing wastewater with an induction reagent, and carrying out an induction reaction; and (b) adjusting the pH value of the material subjected to the induced reaction to be alkaline, and carrying out precipitation treatment, wherein the induction reagent comprises soluble metal salt. In the treatment method, the pretreated dyeing and finishing wastewater is mixed with the induction reagent, under the action of the induction reagent, a small quantity of residual neutral chromium complex in the wastewater is converted into a positive chromium complex, the charge property of complex-state chromium is changed, then the pH is adjusted, precipitation is carried out, chromium is removed, and the removal effect on chromium in the wastewater is greatly improved.

The invention provides a processing method for cotton yarn, and relates to the technical field of cotton processing. A cotton softening impunity removing technology method includes the steps of cottonimpunity removing, cotton dyeing and spinning. The processing method for the cotton yarn includes the steps of cotton impunity removing, cotton dyeing and spinning. The processing method is simple, impunities such as bricks, stone and iron ware in cotton are effectively removed in the cotton impunity removing step, damage to a device is avoided, and the cost is effectively saved.

The invention provides a cotton-fiber anionic modifier, a preparation method thereof and a dyeing process, and belongs to the field of cotton cloth modification dyeing, solving existing problems suchas large pollution caused by using cotton-fiber cationic modifiers to modify cotton cloth. The preparation method of the cotton-fiber anionic modifier is characterized by including the following steps: adding water, crushed ice and melamine into a first beaker, and stirring for 1-2 hours; adding water and p-aminobenzene sulfonic acid into a second beaker, and regulating the pH value by hydrochloric acid to 5-6 to make a solution transparent; adding the p-aminobenzene sulfonic acid hydrochloride in the second beaker into the first beaker, completing dropwise adding within 1-2 hours, keeping thetemperature below 5 DEG C, and carrying out a condensation reaction until the reaction ends; regulating the system pH value by sodium bicarbonate to 7-8; adding 25-40% of neutral salt according to volume to salt out; stirring for 1-2 hours, performing filter pressing, and drying a filter cake. The cotton-fiber anionic modifier has the advantages of small pollution and the like.

The invention provides sportswear. The sportswear comprises a sportswear body, wherein short sleeves which are made of first fabrics are separately connected to two cuffs of the sportswear body; a front piece of the sportswear body consists of a printing and dyeing region and a non-printing-and-dyeing region; a rear piece of the sportswear body is made of a second fabric; the first fabric comprises a breathable layer, a conduction layer and a moisture-absorption and warming layer; the breathable layer, the conduction layer and the moisture-absorption and warming layer are overlapped; and the breathable layer is connected with the moisture-absorption and warming layer through the conduction layer. Therefore, on the basis of moisture absorption and sweat releasing functions, a warming function is fulfilled.