31results about How to "High dyeing depth" patented technology

The invention provides a production method of pure hemp mercerized yarn. By the production method, the mercerized pure hemp yarn has few broken ends, excellent brute force and brightness, the deep dyeing property, level-dyeing property and penetrating property are greatly improved, the handle and smoothness are improved, the difficulty in later processes of dyeing, weaving and after finishing is reduced, and the application performance of the pure hemp yarn is integrally improved. The production method comprises the processes of singeing, reeling, mercerizing, dyeing, squeezing water, drying and rewinding, and is characterized in that the mercerizing process is as follows: yarn is put into a yarn mercerizing machine, wherein the alkalinity of treating fluid is 28-30 baume degrees, the temperature of the treating fluid is 18-22 DEG C, the applied tensile force stretching is 1-3%, the alkali dipping time is 1-3 minutes, the alkali squeezing time is 30 seconds-1 minute, time for washing with hot water is 30-60 seconds at the water temperature of 60-70 DEG C, time for washing with cold water is 30-45 seconds, and the treating time is 5 minutes-5 minutes and 50 seconds.

The invention is a producing method of a p-(beta-sulfooxyethylsulfone)phenylamine-o-sulfonic acid, which is characterized in that: having the oil of vitriol (100%) as solvent, p-(beta-sulfooxyethylsulfone)phenylamine as material, dispersing at about 60-90 DEG C, sulfonating at 120-130 DEG C, hydrolyze at 100-110 DEG C, then cooling, acidifying, crystallizing, filtering, drying to get product. The active dye produced by p-(beta-sulfooxyethylsulfone)phenylamine-o-sulfonic acid has a better pile-on property, fixing rate, solubility, alkaline saline resistance, humidity resistance, friction fastness compared the dye produced by p-(beta-sulfooxyethylsulfone)phenylamine.

The invention relates to a dyeing and finishing process of a textile. The dyeing and finishing process of the textile comprises the steps of carrying out pre-treatment, dyeing, washing, neutralizing, soaping and washing on the textile. The dyeing and finishing process of the textile has the beneficial effects that when a low temperature dyeing and finishing process is compared with a middle temperature dyeing and finishing process, in a dyeing step, firstly in dyes of dark series, three primary dark colours are combined, advantages can be shown more obviously for dyeing of black, dark green, dark brown, light army green, dark gray, purplish red and garnet red series, the dyes used in the dyeing and finishing process of the textile has high pile-on property, high absorption rate and good compatibility, compared with middle temperature dyes, dye absorption rate is high, raffinate chromaticity is low, and dosage of low temperature active dyes in coffee, army green and gray dyeing processes is 40-70% that of middle temperature active dyes; production cost of a dyeing and printing enterprise is reduced compared with dark colour series, the problem of high pollution control cost is solved, and treatment cost can be reduced while discharge capacity is reduced for the printing and dyeing industry by adopting the dyeing and finishing process of the textile.

The invention discloses dark red reactive dye and a preparation method thereof. The dark red reactive dye is one material selected from general formulas of the formula (I) or is a mixture obtained through compounding two or more structures selected from the general formulas of the formula (I) according to any proportion. One material shown by the formula (I) is selected from any one of materials of the following structure general formulas or is a mixture of two or more materials of the structural general formulas, wherein R1, R2, R3 and R4 in the formula (I) respectively and independently represent -H, -CH3, -OCH3 or -SO3M; Y1 and Y2 respectively and independently represent -CH=CH2 or -C2H4OSO3M; M represents hydrogen or alkali metal. The dark red reactive dye has the advantages that the lifting performance is good; the friction firmness, the water washing firmness, the light fastness and the heat stability are high. The formula (I) is shown as the accompanying drawing.

The invention discloses a black dye composition and application of the black dye composition in wool dyeing. The black dye composition comprises 30-50% of a component A which is shown in a formula (I), 30-50% of a component B which is shown in a formula (II), 1-15% of a component C which is shown in a formula (III), 1-15% of a component D which is shown in a formula (IV) and 1-10% of a component Ewhich is shown in a formula (IV). According to the black dye composition and application of the black dye composition in wool dyeing, the reactive dye (the component E) is mixed with a disperse dye so as to obtain the dye composition which takes the disperse dye as the main component and the reactive dye as the assistant component; and not only can the dye composition have good wet fastness and strong color fastness, but also the binding ability of the dye composition and wool fiber can be enhanced greatly since the component E has a modifying effect on other disperse dye monomers, so that the dye composition has high dye-uptake to the wool fiber.

The invention relates to a dyeing method for improving deep dyeing performance of polyamide fiber, and belongs to the technical field of textile printing and dyeing. The dyeing method comprises the following steps: adding disperse dye into a mixed solution of ethanol and water to obtain a dyeing solution, and dyeing the polyamide fiber in an ultrasonic environment, wherein by virtue of strong penetration of ethanol into the polyamide fiber, a synergistic effect is produced under the auxiliary action of ultrasonic, and a large number of dye molecules are carried into the free volume of the fiber so as to deeply and thoroughly dye the polyamide fiber. By the dyeing method, the dyeing temperature is low, the dyeing time is short, strength damage of the polyamide fiber in the dyeing process is alleviated, and the problem that the dyeing depth is not high when the disperse dye dyes the polyamide fiber is effectively solved; and the dyeing method is simple in process and strong in operability and is an efficient polyamide fiber dyeing method.

The invention discloses a dyeing process of a cyclically regenerated high-density polyamide cool fabric. The dyeing process comprises a coloring stage and a moisture-absorbing and sweat-releasing finishing stage; a dyeing agent adopted in the coloring stage comprises a dyeing auxiliary agent and a dye; after the coloring stage is completed, liquid is discharged, and then a moisture-absorbing and sweat-releasing finishing agent is added for moisture-absorbing and sweat-releasing finishing; the dyeing auxiliary agent comprises an acidic leveling agent, a polyamide fiber dyeing accelerating agent, a pH slipping agent, anti-ultraviolet Rayosan C and anti-ultraviolet DEL; and the moisture-absorbing and sweat-releasing finishing agent comprises a moisture-absorbing and sweat-releasing agent and a slipping agent VS. According to the characteristics of the cyclically regenerated high-density polyamide fabric, the color brightness, the color fastness and the hand feeling of the dyed fabric are improved by adopting the proper dyeing auxiliary agent, dye and moisture-absorbing and sweat-releasing finishing agent and designing a reasonable dyeing process curve, and the fabric is endowed with the better anti-ultraviolet effect and moisture-absorbing and sweat-releasing effect.

The invention discloses a reactive blue-to-black dye composition and a dye product. The reactive blue-to-black dye composition comprises a component A, a component B and a component C. The component A is selected from at least one of dye compounds shown in a formula (I) and alkali metal salts thereof, and the component B is selected from at least one of dye compounds shown in a formula (II) and alkali metal salts thereof. And the component C is selected from at least one of dye compounds as shown in formulas (III)-(IV) and alkali metal salts thereof. The invention provides a reactive blue to black dye product which comprises the reactive blue to black dye composition. Compared with conventional reactive black, the reactive blue-to-black dye product disclosed by the invention has the advantages that the strength is higher by 60% or above, the dye is extremely high in deep dyeing property and fixation rate, the use amount of the dye can be greatly reduced, various color fastnesses are excellent, particularly the washing fastness is outstanding, and the reactive blue-to-black dye product is suitable for printing and dyeing nitrogen-containing and/or hydroxyl-containing fiber materials and blended fabrics thereof.

The invention discloses reactive orange dye as well as a preparation method and application thereof. The reactive orange dye has a structural general formula as shown in the description, wherein M represents hydrogen, sodium, potassium or lithium. The preparation method comprises the following steps: completing condensation reaction and diazo-reaction through sub-steps, and then coupling, thus preparing the reactive orange dye. The invention also discloses the application of the reactive orange dye in printing and dyeing. The reactive orange dye disclosed by the invention has higher color fixation rate, deep dyeing property and bright color; meanwhile, the reactive orange dye has low-alkali dyeing property, the sewage emission is greatly reduced, and the requirements on environment protection at present can be particularly met.

The invention discloses a dyeing and finishing process of textiles. The dyeing and finishing process is characterized by successively comprising the following steps: preprocessing, dyeing, washing, neutralizing, soap washing and washing textiles. The dyeing process has the advantages that by adopting the low-temperature dyeing and finishing process, compared with the traditional middle-temperature dyeing process, in the dyeing step, firstly in dye of a dark color series, and by virtue of ternary color combination of dark colors, the dyeing for the series of colors such as black, dark green, dark gray and garnet is more advantageous; the dye used by the invention has high deep dyeing performance, high absorption rate and good compatibility; compared with the middle-temperature dye, the absorption rate of the dye is high, and the color of the remaining liquid is light; moreover, the consumption of the low-temperature active dye of the invention in the dyeing process of coffee brown, military green and gray colors is 40 to 70 percent of that of the middle-temperature active dye; compared with the dark color series, the production cost of the printing and dyeing enterprises is decreased, and the problem that the sewage treatment cost is high can be solved; by adopting the dyeing process, the treatment cost of the printing and dyeing industry is decreased, and the sewage discharging amount is reduced.

The invention relates to a black reactive dye semi-finished product and a preparation method and application thereof. The chemical structural general formula of the semi-finished product is shown in a formula (I), and the structural formula is as shown in the specification, wherein R1 refers to -CH3(CH2)n, -CH3(CH2)n O, -COOX or -SO3X; R2 refers to -H, -CH3(CH2)n, -CH3(CH2)n O, -COOX or -SO3X; R3 refers to -H, -CH3(CH2)n, -CH3(CH2)n O, -COOX or -SO3X; R4 refers to -H, -CH3(CH2)n, -CH3(CH2)n O, -COOX or -SO3X; R5 refers to -(CH2)<n+1>-; and X can be Na, K or Li. On one hand, the black reactive dye semi-finished product has a bisazo structure, and the fixation rate and deep dyeing property of the product can be improved; on the other hand, the black reactive dye semi-finished product comprises multiple sulfonated groups, can achieve the effects similar to a surfactant, is conveniently compound and mixed with other organic matters and is dissolved in water to prepare a dye solution.

The invention belongs to the technical field of dyes and particularly relates to a compound reactive black dye. The compound reactive black dye is prepared from, by weight, 50-100 parts of dyes in theformula I, 5-45 parts of dyes in the formula II and 0-5 parts of dyes in the formula III. The invention further provides a black dye compound which comprises a fixing alkali agent, a dye promoting agent and the above compound reactive black dye. The compound reactive black dye has high dyeing depth, good fixation rate and washing property and has low raw material cost; dyed fabric compounded by the Tibetan cyan dyes in the formula I, the orange dyes in the formula II and the yellow dyes in the formula III has high uniformity, high color fixation and high fastness, unprecedented black fullnessand dyeing depth are achieved, the washing property of the dye is increased, and problems of poor washing property of an existing reactive black dye, serious color sticking and the like are solved; the compound reactive black dye is suitable for dyeing, pad dyeing and anti-dyeing printing of fiber materials.

The invention relates to a semi-finished product of deep red dye, a preparation method and an application thereof. The chemical structural formula (I) of the semi-finished product of deep red dye is shown as formula (I) which is as shown in the specification. By introducing two naphthalene rings into the structure, a conjugate large Pi structure is formed by azo group, melamine group, amino group and phenyl group, so that uniformity coefficient of density dispersion of electronic cloud is improved, and thus the color fixation rate and the deep dyeing property of the deep red dye can be improved.

The invention discloses a red disperse dye composition, which is characterized by being prepared from the following components in percentage by mass: 60-90 percent of a dye monomer A, 8-30 percent ofa dye monomer B, and 0.5-10 percent of a dye monomer C, wherein the dye monomer A is C.I. Disperse red 145, the dye monomer B is C.I. Disperse red 153, and the dye monomer C is C.I. Disperse orange 29. The red disperse dye provided by the invention not only has excellent alkali resistance, but also does not fade and can be reinforced due to the addition of C.I. Disperse orange 29 when deep color dyeing is carried out, and has a very deep yellow light red effect due to the combined action of red, blue and yellow light. According to the invention, the deep dyeing property of the dye is improved,and the problem of poor color light during the deep dyeing of the existing red disperse dye is effectively solved.