234results about How to "Reduce dyeing costs" patented technology

This invention discloses an aid used in terylene dyeing characterizing in including the following components in weight percentage: acid aid 10-20%, organic phosphonic acid 2-5%, organic carboxylic acid 3-7%, naphthalenesulfonate 10-18%, PEG 400 single oleic acid ester 5-8%, non-ion PAA 0-2%, polytrimethylene polyethenoxy aether 0-3% and water.

The invention discloses a reverse micelle system and an application thereof in acid dye dyeing. The reverse micelle system is characterized by comprising the following components in percentage by weight: 90%-98% of supercritical carbon dioxide, 1%-5% of a surfactant, 0-0.5% of an acid dye and the balance of water. Supercritical carbon dioxide dyeing is organically combined with reverse micelle dyeing; the supercritical carbon dioxide is taken as a non-polar organic solvent in reverse micelle dyeing due to the fact that the supercritical carbon dioxide is nontoxic, tasteless and not easy to combust and is an environment-friendly chemical solvent; in addition, the system only contains very little water of a reverse micelle-coated soluble dye; the amount of water can be greatly reduced; meanwhile, the carbon dioxide is recovered in the form of gas under the supercritical condition; the non-polar organic solvent, the surfactant and water can be easily separated; and recovery and cyclic utilization are achieved.

The invention discloses a method for dyeing polyphenylene sulfide fiber or fabric. The method comprises the following steps: treating the polyphenylene sulfide fiber or fabric, soaking the polyphenylene sulfide fiber or fabric into a high-temperature high-pressure dyeing machine filled with dyeing solution in a bath ratio of 1: 10-50, heating the polyphenylene sulfide fiber or fabric to between 100 and 140 DEG C at a heating sped of 0.5 to 5 DEG C per minute, preserving the heat and dyeing the polyphenylene sulfide fiber or fabric for 10 to 60 minutes, and performing reductive cleaning, water washing and drying on the polyphenylene sulfide fiber or fabric. Based on the weight of the polyphenylene sulfide fiber or fabric, the dyeing solution comprises 0.5 to 5 percent of disperse dye, 1 to 8g/L of dyeing carrier, 0 to 2g/L of pH adjustor, 0 to 5g/L of levelling agent, 0 to 1g/L of chelated dispersing agent and diluent. The method can successfully dye the polyphenylene sulfide fiber or fabric, has the advantages of high dyeing rate, deep and thick dyed color, good color fastness, soft handfeel, low dyeing cost and simple and feasible use and operation, can be expanded in application of civilian textiles, and is convenient for popularization and application.

The invention relates to the technical field of fabrics, and provides a manufacturing method, having low dye consumption, small environment pollution and small waste water discharge, of an anti-biotic and anti-static yarn dyed fabric. The method comprises the following steps that (1) raw materials are selected; (2) dying is conducted, wherein chitin fibers, white cotton fibers and short chemical fibers are dyed by color master batches; (3) blended yarns are manufactured; (4) mercerization is conducted; (5) warping weaving is conducted; (6) fabric weaving is conducted; (7) anti-biotic finishing is conducted, wherein quaternary ammonium salt solution with the percentage concentration being 15%-18% is prepared, the fabric obtained in the step (6) is dipped in the quaternary ammonium salt solution, the bath ratio is 3:1-6:1, and the dipping time is 40 min-50 min; drying is conducted after dipping, temperature ranges from 65 DEG C to 75 DEG C, and time ranges from 15 min to 30 main; (8) post-finishing is conducted. The fabric manufactured in the method is good in anti-biotic effect, has moisturizing and dry-preventing functions, and does not generate static easily.

The invention discloses a disperse blue dye composition, mainly comprising a component A and a component B, wherein the component A is at least one of compounds shown by a formula (I), and the component B is a compound shown by a formula (II). The invention also discloses a disperse dye comprising the dye composition and a preparation method and an application of the disperse dye. The disperse dye disclosed by the invention has the advantages of bright color, good deep dyeing property, high strength, good lifting power, good sublimation fastness, excellent fastness to saliva and the like; in particular, the disperse dye has a good printing effect; the printed fabric is clear in outline, thick and bright in color, and better than an expensive C.I. disperse blue 60 dye finished product in dyeing intensity; as a result, the usage amount of the dye can be greatly saved and the dyeing cost also can be saved.

A transparent lining cloth is made up through refining base cloth by immersing it in the refining liquid prepared from water and assistant, scutching the base cloth on a scutcher, baking in a dryer, finishing by immersing it in finishing liquid compounded by water and assistant, baking dry, fixating shape; adhering spotty resin on the surface of base cloth, further tendering and shaping in a tender frame and tendering at 130-170 deg.C and 20-45 m/min of speed. The transparent lining cloth is adhered on the surface of base cloth. Its advantages are high transparency, light weight and thin thickness.

The invention relates to a room temperature wool pad dyeing microwave color fixing method which comprises the following steps: (1) mixing active dye or acid medium-contained dye for wool, cosolvent, areducing agent, a level dyeing agent and a penetrating agent at room temperature and uniformly stirring; (2) padding wool fabrics in the dye liquor, wherein the padding residual rate is 80-120 percent; and carrying out heating color fixation processing, water washing and drying on the wool by a microwave. The invention has simple process, low cost, high productivity, short period, energy saving and environmental protection and is suitable for industrialized production; the level-dyeing performance of dyeing and the planeness of the fabrics are better than those of a common dyeing method, andthe dosage of dyeing auxiliary agents is greatly reduced.

The invention discloses a disperse blue dye composition. The composition is basically prepared from one or more of a component A as shown in a formula (I), a component B as shown in a formula (II) and a component C as shown in a formula (III). Furthermore, a component D as shown in a formula (IV) and a component E as shown in a formula (V) can be selectively added into the disperse blue dye according to requirements. The invention further discloses a preparation method and an application of the composition. The disperse blue dye has the advantages of bright color, good sublimation fastness, good perspiration fastness, good light fastness and the like, the dye cost is relatively low, and pollution is relatively small.

The invention provides a non-aqueous solvent composition with temperature control separation performance for active dye. The composition comprises good solvent of the active dye and poor solvent of active dye, wherein the volume ratio of the good solvent to the poor solvent is 1: (3-20); the good solvent of the active dye is the non-aqueous solvent capable of dissolving the active solvent and not having chemical reaction with the active dye; the poor solvent of the active dye is the non-aqueous solvent not capable of dissolving the active dye and not having chemical reaction with the active dye. The solvent system has advantages that after one dye period is ended, a purpose for separating the solvent can be achieved only by reducing the temperature of the solvent, the two solvents can be automatically separated after the temperature is lowered and can be recycled, and the mixture of the solvent does not need to be separated by adopting the energy-consuming and time-consuming distilling procedure, so that the cycling time is greatly reduced, the energy consumption is reduced, and the dyeing cost is remarkably reduced.

The invention relates to the field of printing and dyeing, particularly to an activated dye low-alkaline dyeing method for a black regenerated cellulose fiber cheese. The method comprises the steps of pretreatment, dyeing, fixing and follow-up treatment; in addition, low alkaline is adopted in the dyeing and fixing processes and the working procedures are reduced. Therefore, the dyeing temperature of the regenerated cellulose fiber is reduced; the alkaline dosage for dyeing the regenerated cellulose fiber is lowered; the method is simple to operate, short in technical duration, and low in alkaline content in the dyeing waste water, can reduce the dosage of glacial acetic acid for neutralization in the follow-up procedure, lowers washing water volume, saves energy and reduces emission, improves the color fastness of the cheese, and lowers the dyeing cost.

The invention relates to an active dye quick salt-free dyeing method of a cellulose product, and belongs to the technical field of textile printing and dyeing processes. According to the dyeing method, active dye is adopted to prepare a mixed dyeing liquid of carbon tetrachloride, ethanol alcohol and water, and a cellulose product soaked in the mixed dyeing liquid is subjected to quick salt-free dyeing, so that the production efficiency of the cellulose product when the active dye intermittent dip dyeing is adopted can be effectively improved, and the dyeing time can be shortened to a great extend. The method has a relatively low dyeing temperature, has the effects of energy conservation and consumption reduction, and is adaptive to industrial large-scale production. The active dye used in dyeing does not have selectivity for the dye structure, and has good dye adaptability; neutral salt is not additionally added into a dyeing system in the dyeing process, so that the dyeing cost is reduced, labor intensity is reduced, and environmental pollution of water and soil can be relieved. The method is an environment-friendly short-flow dyeing process.

The invention relates to a method for dyeing aramid fiber without a carrier, belonging to the technical field of spinning, printing and dyeing. The method comprises the following steps of: preparing a dyeing bath: injecting water into a dyeing container, controlling the bath ratio, adding 0.01-15% (by o.w.f) of dye and 5-20g/L of a levelling agent into the dyeing container, and adding a buffering agent to adjust the pH value to 4-6; and dyeing: soaking the aramid fiber into water, removing the water in the aramid fiber, putting the aramid fiber in the dyeing bath, putting the dyeing container into a dyeing machine to dye, controlling the dyeing temperature, time and pressure of the dyeing machine, taking the dyeing container out of the dyeing machine, taking the aramid fiber out of the dyeing container, and washing with water, cleaning by reducing, washing with water and drying in sequence to obtain the dyed aramid fiber. Because the dyeing bath is prepared reasonably, the aramid fiber is soaked before being introduced into the dyeing bath, is dried after being soaked and is dyed under the set dyeing temperature, time and pressure, the defect of using the carrier in the prior art is avoided. The method can not cause pollution to the environment and achieves an ideal aramid fiber dyeing effect, and the aramid fiber dyeing cost is reduced due to the adoption of the method.

The invention discloses a dyeing process of red vegetable dyes. The process comprises the following steps: a, treating safflower cakes by an acidic solution, so as to obtain a filter residue A; b, rinsing and filtering the filter residue A by an alkaline solution, so as to obtain a dyeing liquor; c, making a dye C1; d, mixing the dye C1 and a dye C2, so as to obtain a dye D; e, mixing the dye D and a weakly alkaline aqueous solution, so as to obtain a dyeing liquor E1 and a dyeing liquor E2; f, respectively pretreating the heated dyeing liquors (E1 and E2), so as to obtain the dyeing liquors (F1 and F2); g, pretreating a silk fabric, so as to obtain a product G; h, adding the product G into the dyeing liquor F1 for dyeing, so as to obtain a product H; i, adding the product H into the dyeing liquor E2 for dyeing, so as to obtain a product I; j, treating the product I, so as to obtain a finished product J. The dyeing process disclosed by the invention has the characteristics of low production cost, good coloring effect, high color fastness, convenience in large-scale production, and capacities of improving the extraction rate of haematochrome and the impurity removal rate and facilitating safflower storage.

The present invention relates to a modification bath dyeing technique by using active dyes. Said technique can dye fibre, yarn and fabrics, and includes the following processes: under the alkaline condition utilizing active dyes to dye, fix colour and regulate pH value, and under the acidic condition utilizing acidic dyes to dye, heat-up continuously dye and water-wash, etc. The adoption of said method is applicable to new fibre variety, for example, soybean protein/PVA polyblend fibre can be one-bath dyed by using said method.