CN109680517B - Cotton fabric reactive dye dyeing process - Google Patents
Cotton fabric reactive dye dyeing process Download PDFInfo
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- CN109680517B CN109680517B CN201811601092.3A CN201811601092A CN109680517B CN 109680517 B CN109680517 B CN 109680517B CN 201811601092 A CN201811601092 A CN 201811601092A CN 109680517 B CN109680517 B CN 109680517B
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- dye
- saline
- temperature
- alkali bath
- cotton fabric
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/38—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using reactive dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
Abstract
A cotton fabric reactive dye dyeing process belongs to the technical field of pure cotton fabrics. The method is characterized by comprising the following process steps of immersing the tied and validly woven fabric into a dye solution at the temperature of 20-30 ℃, and carrying out vibration stirring while accelerating the dyeing for 5-8 min; after the completion, adding dye mother liquor into the dye liquor, and recycling the dye liquor after the concentration of the dye liquor is recovered; immersing the dyed fabric into saline-alkali bath liquid, wherein the saline-alkali bath liquid comprises 20-30 g/L of sodium sulfate and 40-50 g/L of sodium carbonate, the temperature of the saline-alkali bath is 55-65 ℃, and the time is 3-5 min; the dye liquor and the bath liquid are supplemented with materials to ensure that the dye liquor and the bath liquid are reused after the concentration is recovered; performing warm steam color fixing, soaping once and cold water washing; dehydrating and drying. The method realizes continuous dyeing of the active dye for dyeing the cotton fabric by the valine, realizes reutilization of dye baths, is green and environment-friendly, and has the color fastness of more than 3 grades.
Description
Technical Field
A cotton fabric reactive dye dyeing process belongs to the technical field of pure cotton fabrics.
Background
The pure cotton fabric is a textile formed by interweaving warps and wefts up and down by a weaving machine, wherein the cotton is used as a raw material. Pure cotton fabric has various varieties and different colors. The fabric is divided into primary color cotton cloth, dyed cotton cloth, printing cotton cloth and yarn-dyed cotton cloth according to dyeing modes.
The prior cotton fabric dyeing process mostly uses direct dyes, but the direct dyes have low fastness and poor environmental protection performance and are gradually eliminated. At present, the valding process of the reactive dye generally needs a one-bath two-step method, the salt is added at 60 ℃ for accelerating the dyeing, the alkali is continuously added in the dyeing bath at 60-80 ℃ for fixing the color, the continuous dyeing is difficult to realize, the dye solution cannot be used for the second time, the efficiency is low, and the cost is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art, and provides a cotton fabric reactive dye valine dyeing process which realizes continuous dyeing and avoids the large discharge of waste liquor containing saline alkali and residual dye.
The technical scheme adopted by the invention for solving the technical problems is as follows: the active dye for cotton fabric is a valance dyeing process, and is characterized by comprising the following process steps:
1) binding the cotton fabric for later use;
2) preparing a reactive dye solution, wherein the concentration of the reactive dye solution is 0.1% owf-5.0% owf;
3) immersing the tied and validly woven fabric into dye liquor at the temperature of 20-30 ℃, and carrying out shaking stirring while accelerating the dyeing for 5-8 min; after the completion, adding dye mother liquor into the dye liquor, and recycling the dye liquor after the concentration of the dye liquor is recovered;
4) immersing the dyed fabric into saline-alkali bath liquid, wherein the saline-alkali bath liquid comprises 20-30 g/L of sodium sulfate and 40-50 g/L of sodium carbonate, the temperature of the saline-alkali bath is 55-65 ℃, and the time is 3-5 min; after the treatment, sodium sulfate and sodium carbonate are added into the saline-alkali bath solution, so that the concentration of the saline-alkali bath solution is recovered and the saline-alkali bath solution is reused;
5) performing high-temperature steam color fixing at the temperature of 100-105 ℃ for 8-10 min;
6) soaping once; washing with cold water for 2-3 times; dehydrating and drying.
The technical process of the invention adopts a two-bath three-step method for dyeing: the method for low-temperature dip dyeing promotion, absorption of fixation alkali by a dip saline-alkali bath and fixation by high-temperature steaming realizes continuous dyeing of the cotton fabric by using the active dye, realizes reuse of the dye bath, is green and environment-friendly, and has the color fastness of more than 3 grades.
Preferably, the concentration of the reactive dye solution in the step 2) is 1% owf-3.0% owf. The concentration of the reactive dye in the step 2) is improved compared with the concentration of the conventional process, the color fastness reaches 3 levels, and the quality requirement of customers is met. The conventional process is to complete the adsorption and color fixation of the dye at about 60 ℃ under the condition of lower concentration of the dye, and the adsorption and color fixation are completed in one bath. And then finishing color fixation in another bath, wherein the temperature is increased during the color fixation, and the color fixation rate of the dye is ensured by steam finishing at 100 ℃.
The types of reactive dyes are very many, and the structure comprises chromophore, water-soluble group, reactive group, bridging group and other parts. The chromophoric functional groups are very numerous in structure, but the reactive groups are generally: type X (dichloros-triazine); form K (monochlorotriazine); KN type (vinylsulfone); m type (composite of monochlorotriazine and vinyl sulfone), and the like. The temperature required by the X type, KN type and M type dyes is lower than that of the K type, so that the invention is more suitable for X type, KN type and M type reactive dyes. The reactive dyes of different types of reactive groups can be used in combination in actual production, and the reactive dyes of the invention are all types of reactive dyes in general, regardless of brands, such as: longsheng, leap soil, Jihua, Desida, etc.
Preferably, the fabric in the step 3) is immersed in the dye liquor at the temperature of 23-26 ℃, and the dyeing is accelerated for 5-5.5 min.
Preferably, the salt alkali bath solution in the step 4) comprises 24-26 g/L of sodium sulfate and 44-47 g/L of sodium carbonate.
Preferably, the temperature of the salt alkali bath in the step 4) is 57-61 ℃, and the time is 3-3.5 min.
Preferably, the temperature of the high-temperature steam-finishing fixation in the step 5) is 100-102 ℃, and the time is 8-8.5 min.
The dye baths in the steps 3) and 4) are recycled, and only the dye mother liquor and the saline-alkali liquor need to be added in the steps 3) and 4) respectively. The step 3) is a reactive dye solution, the existing conventional process is dyeing at about 60 ℃, the dye needs to be used as soon as possible at the temperature, and otherwise, the dye is hydrolyzed and loses efficacy. The invention realizes the dip dyeing at room temperature and low temperature, the hydrolysis speed of the reactive dye is slow, and the reactive dye can be used for a long time, so the concentration of the reactive dye can be recovered to be repeatedly and continuously used by supplementing the dye mother liquor. And 4, soaking the fabric in a salt and alkali solution, wherein the fabric can absorb a part of salt and alkali to reduce the concentration of the salt and alkali, and supplementing the salt and alkali solution to the initial concentration when the salt and alkali solution is repeatedly used. And 3) when the dye mother liquor and the saline-alkali liquor are supplemented, the amount to be supplemented can be calculated according to the amount of the fabric.
The steps 3), 4) and 5) ensure that the color fastness is not reduced. According to the traditional process, the dye liquid is added with the fabric to adsorb the dye, then salt and alkali are directly added for fixation, and the residual waste liquid after fixation contains salt and alkali and the dye, but cannot be continuously used and can only be discharged, so that a large amount of waste water containing salt and alkali is generated. The addition of the dye cannot be repeated because the addition of the base promotes the hydrolysis of the reactive dye. In addition, the process needs heating, is long, and is inconvenient for continuous production and display.
The color fastness requirement can be met without adding a color fixing agent in the step 5). The reduction of chemical usage is a feature of the present invention.
Preferably, the temperature of the soaping in step 6) is 95 ℃.
Preferably, the temperature of the cold water washing in the step 6) is 5-10 ℃.
Compared with the prior art, the invention has the beneficial effects that: the invention realizes continuous dyeing, so that the process becomes continuous and convenient for on-site display; and the large discharge of waste liquid containing saline alkali and residual dye is avoided. The tie-dyeing is currently used as cultural and technological exhibition, works are produced while being exhibited in urban dye houses, tourist attractions and artistic workshops, and the tie-dyeing does not have the capacity of treating a large amount of saline-alkali wastewater, so that the tie-dyeing method is more in line with actual needs.
Detailed Description
The invention is further illustrated by the following specific examples, of which example 1 is the best mode of practice.
Example 1
1) Binding the cotton fabric for later use;
2) preparing a reactive dye solution, wherein the concentration of the reactive dye solution is 2.0% owf;
3) immersing the tied and validly woven fabric into a dye solution at 25 ℃, and carrying out shaking stirring while accelerating the dyeing for 5 min; after the completion, adding dye mother liquor into the dye liquor, and recycling the dye liquor after the concentration of the dye liquor is recovered;
4) soaking the fabric after the dyeing promotion into saline-alkali bath liquid, wherein the saline-alkali bath liquid comprises 25g/L of sodium sulfate and 45g/L of sodium carbonate, the temperature of the saline-alkali bath is 60 ℃, and the time is 3 min; after the treatment, sodium sulfate and sodium carbonate are added into the saline-alkali bath solution, so that the concentration of the saline-alkali bath solution is recovered and the saline-alkali bath solution is reused;
5) fixing color with high temperature steam at 100 deg.C for 8 min;
6) soaping once at 95 ℃; washing with cold water at 7 deg.C for 2 times; dehydrating and drying.
Example 2
1) Binding the cotton fabric for later use;
2) preparing a reactive dye solution, wherein the concentration of the reactive dye solution is 3.0% owf;
3) immersing the tied and validly woven fabric into the dye liquor at the temperature of 26 ℃, and carrying out shaking stirring while accelerating the dyeing for 5.2 min; after the completion, adding dye mother liquor into the dye liquor, and recycling the dye liquor after the concentration of the dye liquor is recovered;
4) soaking the fabric subjected to dyeing promotion into saline-alkali bath liquid, wherein the saline-alkali bath liquid comprises 26g/L of sodium sulfate and 44g/L of sodium carbonate, the temperature of the saline-alkali bath is 61 ℃, and the time is 3.2 min; after the treatment, sodium sulfate and sodium carbonate are added into the saline-alkali bath solution, so that the concentration of the saline-alkali bath solution is recovered and the saline-alkali bath solution is reused;
5) performing high-temperature steam finishing and color fixing at the temperature of 101 ℃ for 8.2 min;
6) soaping once at 95 ℃; washing with cold water at 8 deg.C for 2 times; dehydrating and drying.
Example 3
1) Binding the cotton fabric for later use;
2) preparing a reactive dye solution, wherein the concentration of the reactive dye solution is 1% owf;
3) immersing the tied and validly woven fabric into a dye solution at 23 ℃, and carrying out shaking stirring while accelerating the dyeing for 5.5 min; after the completion, adding dye mother liquor into the dye liquor, and recycling the dye liquor after the concentration of the dye liquor is recovered;
4) soaking the fabric subjected to dyeing promotion into saline-alkali bath liquid, wherein the saline-alkali bath liquid comprises 24g/L of sodium sulfate and 47g/L of sodium carbonate, the temperature of the saline-alkali bath is 57 ℃, and the time is 3.5 min; after the treatment, sodium sulfate and sodium carbonate are added into the saline-alkali bath solution, so that the concentration of the saline-alkali bath solution is recovered and the saline-alkali bath solution is reused;
5) performing high-temperature steam finishing and color fixing at the temperature of 102 ℃ for 8.5 min;
6) soaping once at 95 ℃; washing with cold water at 9 deg.C for 2 times; dehydrating and drying.
Example 4
1) Binding the cotton fabric for later use;
2) preparing a reactive dye solution, wherein the concentration of the reactive dye solution is 0.1% owf;
3) immersing the tied and validly woven fabric into a dye solution at the temperature of 20 ℃, and carrying out shaking stirring while accelerating the dyeing for 7 min; after the completion, adding dye mother liquor into the dye liquor, and recycling the dye liquor after the concentration of the dye liquor is recovered;
4) soaking the fabric after the dyeing promotion into saline-alkali bath liquid, wherein the saline-alkali bath liquid comprises 30g/L of sodium sulfate and 40g/L of sodium carbonate, the temperature of the saline-alkali bath is 65 ℃, and the time is 4 min; after the treatment, sodium sulfate and sodium carbonate are added into the saline-alkali bath solution, so that the concentration of the saline-alkali bath solution is recovered and the saline-alkali bath solution is reused;
5) performing high-temperature steam finishing and color fixing at 104 ℃ for 10 min;
6) soaping once at 95 ℃; washing with cold water at 5 deg.C for 3 times; dehydrating and drying.
Example 5
1) Binding the cotton fabric for later use;
2) preparing a reactive dye solution, wherein the concentration of the reactive dye solution is 5.0% owf;
3) immersing the tied and validly woven fabric into a dye solution at the temperature of 30 ℃, and carrying out shaking stirring while accelerating the dyeing for 8 min; after the completion, adding dye mother liquor into the dye liquor, and recycling the dye liquor after the concentration of the dye liquor is recovered;
4) soaking the fabric after the dyeing promotion into saline-alkali bath liquid, wherein the saline-alkali bath liquid comprises 20g/L of sodium sulfate and 50g/L of sodium carbonate, the temperature of the saline-alkali bath is 55 ℃, and the time is 5 min; after the treatment, sodium sulfate and sodium carbonate are added into the saline-alkali bath solution, so that the concentration of the saline-alkali bath solution is recovered and the saline-alkali bath solution is reused;
5) performing high-temperature steam finishing and color fixing at 105 ℃ for 9 min;
6) soaping once at 95 ℃; washing with cold water at 10 deg.C for 3 times; dehydrating and drying.
The color fastness test of each example was tested using GB/T3921-. The color fastness of the examples is shown in Table 1.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (7)
1. A cotton fabric reactive dye dyeing process is characterized by comprising the following steps:
1) binding the cotton fabric for later use;
2) preparing a reactive dye solution, wherein the concentration of the reactive dye solution is 1% owf-3.0% owf;
3) immersing the tied and validly woven fabric into dye liquor at the temperature of 20-30 ℃, and carrying out shaking stirring while accelerating the dyeing for 5-8 min; after the completion, adding dye mother liquor into the dye liquor, and recycling the dye liquor after the concentration of the dye liquor is recovered;
4) immersing the dyed fabric into saline-alkali bath liquid, wherein the saline-alkali bath liquid comprises 20-30 g/L of sodium sulfate and 40-50 g/L of sodium carbonate, the temperature of the saline-alkali bath is 55-65 ℃, and the time is 3-5 min; after the treatment, sodium sulfate and sodium carbonate are added into the saline-alkali bath solution, so that the concentration of the saline-alkali bath solution is recovered and the saline-alkali bath solution is reused;
5) performing high-temperature steam color fixing at the temperature of 100-105 ℃ for 8-10 min;
6) soaping once; washing with cold water for 2-3 times; dehydrating and drying.
2. The cotton fabric reactive dye dyeing process according to claim 1, which is characterized in that: and (3) immersing the fabric in the dye liquor at the temperature of 23-26 ℃, and accelerating the dyeing for 5-5.5 min.
3. The cotton fabric reactive dye dyeing process according to claim 1, which is characterized in that: the salt alkali bath solution in the step 4) comprises 24-26 g/L of sodium sulfate and 44-47 g/L of sodium carbonate.
4. The cotton fabric reactive dye dyeing process according to claim 1, which is characterized in that: the temperature of the salt alkali bath in the step 4) is 57-61 ℃, and the time is 3-3.5 min.
5. The cotton fabric reactive dye dyeing process according to claim 1, which is characterized in that: the temperature of the high-temperature steam finishing fixation in the step 5) is 100-102 ℃, and the time is 8-8.5 min.
6. The cotton fabric reactive dye dyeing process according to claim 1, which is characterized in that: the temperature of the soaping described in step 6) was 95 ℃.
7. The cotton fabric reactive dye dyeing process according to claim 1, which is characterized in that: the temperature of the cold water washing in the step 6) is 5-10 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601092.3A CN109680517B (en) | 2018-12-26 | 2018-12-26 | Cotton fabric reactive dye dyeing process |
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| CN201811601092.3A CN109680517B (en) | 2018-12-26 | 2018-12-26 | Cotton fabric reactive dye dyeing process |
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| CN109680517A CN109680517A (en) | 2019-04-26 |
| CN109680517B true CN109680517B (en) | 2021-06-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114717865B (en) * | 2022-05-12 | 2024-03-15 | 欧通(山东)纺织有限公司 | Fiber fabric and preparation process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103614930A (en) * | 2013-11-22 | 2014-03-05 | 东华大学 | Anhydrous recycling dyeing method of activated dye |
| JP2016511331A (en) * | 2013-01-25 | 2016-04-14 | カラーゼン、エルエルシー | Fiber processing for improved dyeability |
| CN108505360A (en) * | 2018-03-30 | 2018-09-07 | 山东科技职业学院 | Cotton fabric by utilizing reactive dye tie-dyeing process |
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2018
- 2018-12-26 CN CN201811601092.3A patent/CN109680517B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016511331A (en) * | 2013-01-25 | 2016-04-14 | カラーゼン、エルエルシー | Fiber processing for improved dyeability |
| CN103614930A (en) * | 2013-11-22 | 2014-03-05 | 东华大学 | Anhydrous recycling dyeing method of activated dye |
| CN108505360A (en) * | 2018-03-30 | 2018-09-07 | 山东科技职业学院 | Cotton fabric by utilizing reactive dye tie-dyeing process |
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Effective date of registration: 20221213 Address after: 321000 second second, Jingang Avenue, Jindong Economic Development Zone, Jinhua, Zhejiang. Patentee after: ZHEJIANG YANGFU KNITTING Co.,Ltd. Address before: No.30 Mishan Road, Zhoucun District, Zibo City, Shandong Province 255300 Patentee before: SHANDONG VOCATIONAL College OF LIGHT INDUSTRY |
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