CN110644167A - Salt-free continuous pad dyeing process for cellulose fiber knitted fabric - Google Patents
Salt-free continuous pad dyeing process for cellulose fiber knitted fabric Download PDFInfo
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- CN110644167A CN110644167A CN201910861135.XA CN201910861135A CN110644167A CN 110644167 A CN110644167 A CN 110644167A CN 201910861135 A CN201910861135 A CN 201910861135A CN 110644167 A CN110644167 A CN 110644167A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
- D06B3/185—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines below the bath level
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
- B41F15/38—Screens, Frames; Holders therefor curved
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
- D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
- D06B19/0029—Fixing of chemicals, e.g. dyestuffs, on textile materials by steam
- D06B19/0035—Fixing of chemicals, e.g. dyestuffs, on textile materials by steam the textile material passing through a chamber
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
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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
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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
- D06P1/44—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
- D06P1/60—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 using compositions containing polyethers
- D06P1/613—Polyethers without nitrogen
- D06P1/6131—Addition products of hydroxyl groups-containing compounds with oxiranes
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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
- 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
-
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/10—After-treatment with compounds containing metal
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Coloring (AREA)
Abstract
The invention discloses a salt-free continuous pad dyeing process of a cellulose fiber knitted fabric, which comprises the following steps of: padding the dye liquor, feeding the fabric into a padding tank of a uniform padder in an open width state, and padding reactive dye; coating a color fixing agent, feeding the fabric into a rotary screen coating device, and coating color fixing agent slurry on the fabric under the action of the shearing stress of a scraper; steaming, feeding the fabric subjected to blade coating into a low-tension steaming box, and in high-temperature saturated steam, carrying out chemical reaction on the reactive dye and the cellulose fiber to form covalent bond combination; and (4) soap boiling and water washing, wherein the steamed fabric enters a loose continuous washing machine for soap boiling and water washing treatment, so that the loose color and the chemical residues thereof are removed, and the pad dyeing process is completed. The invention has good dyeing quality, high stability, high production efficiency and low labor intensity; the consumption of water, electricity and steam is reduced; the whole process is salt-free, reduces the pollutant discharge amount and reduces the sewage treatment cost.
Description
Technical Field
The invention relates to the technical field of dyeing processes of cellulose fiber knitted fabrics, in particular to a salt-free continuous pad dyeing process of a cellulose fiber knitted fabric.
Background
Currently, the reactive dye has the advantages of good level-dyeing property, high vividness, good rubbing fastness, good soaping fastness, simple dyeing process, low dyeing cost and the like, so that the reactive dye becomes the dye with the largest dyeing dosage for the current cellulose fiber products, particularly for the cellulose fiber knitted fabrics, but in the current and past quite long time, the dyeing of the cellulose fiber knitted fabrics such as cotton, hemp, viscose and the like mostly adopts the dip dyeing process of an intermittent dyeing method, and the dyeing process flow is as follows:
dyeing → fixation → washing → soap boiling → washing;
wherein, the dyeing liquid comprises: dye, anhydrous sodium sulphate or salt (10-100 g/L), and the color fixing solution comprises the following components: soda ash or other alkaline agents.
The intermittent dyeing production mode and the intermittent dyeing production process have the advantages that the dyeing equipment is a loose dyeing machine, the dyeing equipment is suitable for knitted fabrics, the batch production is small, the production is diversified, and the following defects exist:
1. the cylinder difference is not easy to control, the dyeing quality stability is poor, and the cloth forming effect is poor (such as more wrinkles and hairiness are generated);
2. the salt consumption is large in the dyeing process;
3. in the dyeing process, the energy consumption of water, electricity, steam and the like is large;
4. the dyeing time is long, the labor intensity is high, and pollutants such as sewage, sludge and the like are more.
The basic approach is to implement a continuous dyeing process to overcome the defects, but the current continuous pad dyeing process inevitably has the problems of poor dyeing quality and poor stability, and the continuous dyeing process cannot be implemented smoothly due to the characteristics of easy stretching deformation and easy curling of the cellulose fiber knitted fabric.
Disclosure of Invention
In order to solve the technical problem, the invention discloses a salt-free continuous pad dyeing process for a cellulose fiber knitted fabric.
In order to achieve the purpose, the invention adopts the following technical scheme:
the salt-free continuous pad dyeing process for the cellulose fiber knitted fabric comprises the following steps:
a. padding dye liquor
The fabric enters a padding groove of a uniform padder in an open width state and is padded with reactive dye;
b. knife coating color fixing agent
The fabric enters a rotary screen scraping device, and under the action of the shearing stress of a scraper, the color fixing agent slurry is coated on the fabric;
c. steaming
Feeding the spread fabric into a low-tension steaming box, and in high-temperature saturated steam, carrying out chemical reaction on the reactive dye and the cellulose fiber to form covalent bond combination;
d. soap boiling and water washing
And (4) the steamed fabric enters a loose continuous washing machine for soap boiling and washing treatment, so that loose color and chemical residues of the loose color are removed, and the pad dyeing process is completed.
As a further preferred of the present invention, in the step a, the reactive dye includes a dye selected from one of a dichloro-s-triazine reactive group type (homemade is X type), a monochloro-s-triazine reactive group type (homemade is K type), a vinyl sulfone reactive group type (homemade is KN type), a monochloro-s-triazine and vinyl sulfone double reactive group type (homemade is M type), and a bis-monochloro-s-triazine reactive group type (homemade is KE or KP type), a penetrant and a dye-repellent salt.
As a further optimization of the invention, the dosage of the reactive dye depends on the dyeing depth, the dosage of the penetrating agent is 1 to 3 g/L, and the dosage of the anti-dyeing salt is 0 to 5 g/L.
As a further optimization of the invention, the penetrant is nonionic polyoxyethylene ether, and the dosage is 1-3 g/L.
As a further preferred aspect of the present invention, in step b, the fixing agent includes a thickening agent and an alkaline agent, and the alkaline agent is one of caustic soda, soda ash or trisodium phosphate; wherein the dosage of caustic soda in the alkaline agent is 30-60 g/L, the dosage of soda is 30-80 g/L, the dosage of trisodium phosphate is 30-80 g/L, the thickening agent is selected from one of sodium alginate paste and alkali-resistant emulsifying paste, and the dosage of the thickening agent is 1-5 g/L.
It should be noted that the thickener not only can prevent dye liquor from seeping, but also has the function of 'thick edge', and can prevent the phenomenon of insufficient fixation of cloth edge caused by the curling of knitted fabric in the steaming process.
As a further optimization of the invention, in the step a, the padding temperature is 40-60 ℃ and the pad dyeing rate is 60-90%; wherein the padding rate of the cotton knitted fabric is 65-75%, and the padding rate of the viscose fiber knitted fabric is 80-90%.
As a further preference of the present invention, in step b, the fixing agent is drawn down in two cases:
(1) if the fabric is light and thin or medium thick, only one-time blade coating in a rotary screen blade coating device is needed, namely single-side blade coating; the light and thin or medium-thick fabric is a fabric with the weight of less than 200 grams per square meter;
(2) if the fabric is thick, carrying out blade coating on the fabric in a cylinder mould blade coating device twice, namely double-sided blade coating, wherein the weight of the thick fabric is more than 200 g per square meter;
the rotary screen scraping and coating device adopts a rotary screen printing machine, and the specification of a rotary screen in the rotary screen scraping and coating device is 40 meshes or 60 meshes.
In the further optimization of the invention, in the step c, the steaming temperature is 100-103 ℃, and the steaming time is 1-5 min.
As a further optimization of the invention, in the step d, the soaping temperature is 92-95 ℃, and the dosage of the soaping agent is 0.5-2 g/L; (ii) a The general process flow of water washing and soap boiling comprises the following steps: washing → acid neutralization → hot washing → soap boiling → hot washing → washing, if the vinyl sulfone dye needs acid neutralization, the acetic acid dosage is 0-1 g/L, the s-triazine dye does not need acid neutralization.
The beneficial effect of the invention is that,
1. the continuous production mode has high dyeing quality stability, and solves the technical problem of color difference which cannot be overcome in the intermittent production mode.
2. The production efficiency is high, the labor is less, and the labor intensity is low.
3. Greatly reduces the consumption of water, electricity and steam.
4. The whole process is salt-free, greatly reduces the pollutant discharge amount, and reduces the technical difficulty and cost of sewage treatment.
5. The reactive dye has no alkaline agent, is not easy to hydrolyze, has good dye liquor stability, can be selected from low-reactivity, medium-reactivity and high-reactivity dyes, and enlarges the application range of the dyes.
The invention adopts padding dye liquor without color-fixing alkaline agent, fixes the color-fixing agent on the cellulose fiber knitted fabric by a blade coating method, and completes chemical reaction by steaming, the process is different from the continuous pad dyeing process technology which is currently and generally adopted in the printing and dyeing industry of machine-made fabrics (also called shuttle fabrics), does not need to be provided with a hot air bottoming machine, does not adopt a bottoming process, does not use cosolvents such as urea and the like, and has the advantages of short process flow, less equipment investment, low production cost and easier control of product quality.
Drawings
FIG. 1 is a schematic view of the process of the present invention;
FIG. 2 is a schematic illustration of a single-sided doctor blade of the present invention;
FIG. 3 is a schematic view of a double-sided blade coating in the present invention.
In the figure: 1-cloth feeding; 2-evenness calender; 3-a rotary screen scraping and coating device; 4-low tension steaming box; 5-loose continuous washing machine; 6-cropping.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the salt-free continuous pad dyeing process of the cellulose fiber knitted fabric comprises the following steps:
1. padding dye liquor
The fabric is fed into a padding tank of a uniform padder in an open width state, the reactive dye is padded, the padding rate of the cotton knitted fabric is 70%, and the padding temperature is 50 ℃.
The reactive dye adopts vinyl sulfone type reactive group type (domestic KN type), the dosage of the reactive dye is 5 g/L (determined according to dyeing depth), the dosage of the penetrating agent JFC is 2 g/L, and the dosage of the anti-dyeing salt S is 2 g/L; the penetrant is nonionic polyoxyethylene ether, and the dosage is 2 g/L.
2. Knife coating color fixing agent
The fabric enters a rotary screen scraping device, and under the action of the shearing stress of a scraper, the color fixing agent slurry is coated on the fabric; the fabric is thinner and thicker, i.e. the weight per square meter is less than 200 g, and only needs to be coated once in a cylinder screen coating device, i.e. single-side coating, as shown in fig. 2.
Wherein the color fixing agent comprises a thickening agent and an alkaline agent, the alkaline agent is caustic soda with the dosage of 50 g/L, and the thickening agent is selected from sodium alginate paste with the dosage of 3 g/L; the cylinder size in the cylinder scraper coating device is 40 meshes.
3. Steaming
And (3) feeding the spread fabric into a low-tension steaming box, steaming for 2min in saturated steam at 103 ℃, and finishing a chemical reaction between the reactive dye and the cellulose fiber to form covalent bond combination.
4. Soap boiling and water washing
And (4) the steamed fabric enters a loose continuous washing machine for soap boiling and washing treatment, so that loose color and chemical residues of the loose color are removed, and the pad dyeing process is completed.
The soap boiling temperature is 95 ℃, and the dosage of the soaping agent is 2 g/L; the general process flow of water washing and soap boiling comprises the following steps: washing → acid neutralization → hot water washing → soap boiling → hot water washing → washing, the vinyl sulfone dye needs acid neutralization, the amount of acetic acid is 1 g/l.
Example 2
As shown in fig. 1, the salt-free continuous pad dyeing process of the cellulose fiber knitted fabric comprises the following steps:
1. padding dye liquor
The fabric is fed into a padding tank of a uniform padder in an open width state, reactive dye is padded, the padding rate of the viscose fiber knitted fabric is 85%, and the padding temperature is 60 ℃;
wherein, the reactive dye adopts a vinyl sulfone type reactive base type, the dosage of which is 10 g/L (determined according to dyeing depth), the dosage of the penetrating agent JFC is 1 g/L, and the dosage of the anti-dyeing salt S is 5 g/L; the penetrant is nonionic polyoxyethylene ether, and the dosage is 1 g/L.
2. Knife coating color fixing agent
The fabric enters a rotary screen scraping device, and under the action of the shearing stress of a scraper, the color fixing agent slurry is coated on the fabric; heavy fabric, i.e. fabric with weight of more than 200 g per square meter, needs to be subjected to blade coating twice in a cylinder mould blade coating device, i.e. double-sided blade coating, as shown in fig. 3;
wherein, the color fixing agent comprises a thickening agent and an alkaline agent, the alkaline agent is selected from soda ash, the dosage is 60 g/L, the thickening agent is selected from alkali-resistant emulsified paste, and the dosage is 5 g/L; the cylinder size in the cylinder scraper coating device is 60 meshes.
3. Steaming
And (3) feeding the spread fabric into a low-tension steaming box, steaming for 5min in saturated steam at 100 ℃, and finishing a chemical reaction between the reactive dye and the cellulose fiber to form covalent bond combination.
4. Soap boiling and water washing
And (4) the steamed fabric enters a loose continuous washing machine for soap boiling and washing treatment, so that loose color and chemical residues of the loose color are removed, and the pad dyeing process is completed.
The soap boiling temperature is 92 ℃, and the dosage of the soaping agent is 1 g/L; the general process flow of water washing and soap boiling comprises the following steps: washing → acid neutralization → hot washing → soap boiling → hot washing → washing, the s-triazine dye does not need acid neutralization.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (9)
1. The salt-free continuous pad dyeing process of the cellulose fiber knitted fabric is characterized by comprising the following steps of:
a. padding dye liquor
The fabric enters a padding groove of a uniform padder in an open width state and is padded with reactive dye;
b. knife coating color fixing agent
The fabric enters a rotary screen scraping device, and under the action of the shearing stress of a scraper, the color fixing agent slurry is coated on the fabric;
c. steaming
Feeding the spread fabric into a low-tension steaming box, and in high-temperature saturated steam, carrying out chemical reaction on the reactive dye and the cellulose fiber to form covalent bond combination;
d. soap boiling and water washing
And (4) the steamed fabric enters a loose continuous washing machine for soap boiling and washing treatment, so that loose color and chemical residues of the loose color are removed, and the pad dyeing process is completed.
2. The salt-free continuous pad dyeing process for the knitted cellulose fiber fabric according to claim 1, wherein in the step a, the reactive dye comprises a dye, a penetrating agent and a dye-proof salt, and the dye is selected from one of a dichloro-s-triazine reactive group type, a monochloro-s-triazine reactive group type, a vinyl sulfone reactive group type, monochloro-s-triazine and vinyl sulfone double reactive group type and a bis-monochloro-s-triazine reactive group type.
3. The salt-free continuous pad dyeing process of the cellulose fiber knitted fabric according to claim 2, characterized in that the dosage of the reactive dye depends on the dyeing depth, the dosage of the penetrating agent is 1 to 3 g/L, and the dosage of the anti-dyeing salt is 0 to 5 g/L.
4. The salt-free continuous pad dyeing process of the cellulose fiber knitted fabric according to claim 2, characterized in that the penetrating agent is nonionic polyoxyethylene ether, and the dosage is 1-3 g/L.
5. The salt-free continuous pad dyeing process for the knitted cellulose fiber fabric according to claim 1, wherein in the step b, the color fixing agent comprises a thickening agent and an alkaline agent, and the alkaline agent is one of caustic soda, soda ash or trisodium phosphate; wherein the dosage of caustic soda in the alkaline agent is 30-60 g/L, the dosage of soda is 30-80 g/L, the dosage of trisodium phosphate is 30-80 g/L, the thickening agent is selected from one of sodium alginate paste and alkali-resistant emulsifying paste, and the dosage of the thickening agent is 1-5 g/L.
6. The salt-free continuous pad dyeing process of the cellulose fiber knitted fabric according to claim 1, characterized in that in the step a, the padding temperature is 40-60 ℃ and the pad dyeing rate is 60-90%, wherein the padding rate of the cotton knitted fabric is 65-75%, and the padding rate of the viscose fiber knitted fabric is 80-90%.
7. The salt-free continuous pad dyeing process for the knitted cellulose fiber fabric according to claim 1, wherein in the step b, the color fixing agent is coated in the following two cases:
(1) if the fabric is light and thin or medium thick, only one-time blade coating in a rotary screen blade coating device is needed, namely single-side blade coating; the light and thin or medium-thick fabric is a fabric with the weight of less than 200 grams per square meter;
(2) if the fabric is thick, carrying out blade coating on the fabric in a cylinder mould blade coating device twice, namely double-sided blade coating, wherein the weight of the thick fabric is more than 200 g per square meter;
wherein, the rotary screen scraping and coating device adopts a rotary screen printing machine.
8. The salt-free continuous pad dyeing process of the cellulose fiber knitted fabric according to claim 1, characterized in that in the step c, the steaming temperature is 100-103 ℃, and the steaming time is 1-5 min.
9. The salt-free continuous pad dyeing process for the cellulose fiber knitted fabric according to claim 1, wherein in the step d, the soaping temperature is 92-95 ℃, and the dosage of the soaping agent is 0.5-2 g/L.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116289265A (en) * | 2023-04-03 | 2023-06-23 | 华纺股份有限公司 | Method for reducing consumption of long-vehicle active short-process dyeing salt |
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| CN103938387A (en) * | 2014-04-25 | 2014-07-23 | 何炽斌 | Production method of open-width continuous coloring and finishing knitted fabric and padding mangle of open-width continuous coloring and finishing knitted fabric |
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- 2019-09-12 CN CN201910861135.XA patent/CN110644167B/en active Active
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| CN101200859A (en) * | 2006-12-15 | 2008-06-18 | 山西彩佳印染有限公司 | Salt-free pad steam continuous dyeing method for active dye |
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| CN101962889A (en) * | 2010-09-14 | 2011-02-02 | 江苏吴氏纺织科技有限公司 | Knitted fabric pad dyeing process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116289265A (en) * | 2023-04-03 | 2023-06-23 | 华纺股份有限公司 | Method for reducing consumption of long-vehicle active short-process dyeing salt |
| CN116289265B (en) * | 2023-04-03 | 2024-08-16 | 华纺股份有限公司 | Method for reducing consumption of long-vehicle active short-process dyeing salt |
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