CN110952347A - Method for improving active dyeing depth of pure cotton fabric - Google Patents
Method for improving active dyeing depth of pure cotton fabric Download PDFInfo
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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
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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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
- D06B17/00—Storing of textile materials in association with the treatment of the materials by liquids, gases or vapours
- D06B17/04—Storing of textile materials in association with the treatment of the materials by liquids, gases or vapours in wound form
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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
- D06B19/0011—Fixing of chemicals, e.g. dyestuffs, on textile materials by heated air
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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
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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
- D06P1/445—Use of auxiliary substances before, during or after dyeing or printing
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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
- D06P1/52—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 synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
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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
- D06P1/673—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
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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
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- General Chemical & Material Sciences (AREA)
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Abstract
The invention relates to the technical field of textile printing and dyeing, in particular to a method for improving the active dyeing depth of a pure cotton fabric, which adopts the processes of rolling, stacking, drying and steaming for color fixation to dye the pure cotton fabric, wherein the steaming for color fixation process comprises padding of a color fixation solution, steaming, washing and soaping.
Description
Technical Field
The invention relates to the technical field of textile printing and dyeing, in particular to a method for improving the active dyeing depth of a pure cotton fabric.
Background
The pure cotton fabric is mostly dyed by adopting reactive dyes, and the dyeing mode is divided into dip dyeing and pad dyeing, wherein the pad dyeing is divided into continuous pad dyeing and intermittent cold pad-batch dyeing. Continuous pad dyeing is favored by printing and dyeing enterprises due to the characteristic of high production efficiency, but the dyeing mode has the defect of low color yield, partial deep and dense colors cannot reach ideal dyeing depth, and intermittent cold pad-batch dyeing has the defects of long time consumption and low production efficiency, so that the problem of how to efficiently improve the depth of active dyeing becomes a key breakthrough.
Patent CN104963214A discloses a reactive dye dyeing process, which comprises the following process steps: (1) the pretreatment process comprises the following steps: water washing-acid washing; (2) dyeing; (3) and (3) dyeing promotion: adding salt to promote dyeing; (4) and (3) fixation: adding soda ash for fixation; (5) and (3) post-treatment process: soap boiling twice, water washing and drying. The M-type dye is added during dyeing to obtain higher dye-uptake and fixation rate and enhance the dyeing depth; and anhydrous sodium sulphate is added before the dyeing is promoted and the salt is added to promote the dye to be more easily dyed. Although the method can improve the dyeing depth, the method is only suitable for intermittent printing and dyeing and has low efficiency.
The patent CN108103694A discloses a process for improving dyeing permeability and depth of a reactive dye, wherein the dyeing process flow is pretreatment fabric → padding dye liquor → stacking → first drying → padding color fixing liquor → steaming → high-temperature soaping → second drying → after-finishing, the stacking temperature is 20-26 ℃, and the stacking time is 4-10 h. The method avoids the problems that the continuous dyeing padding time is short, the dye is directly dried after dyeing and is not easy to permeate into the fiber by increasing the permeation time of the dye solution in the fabric, avoids the problems that the dye and the fiber are too early subjected to color fixation and the dyeing and dye-penetration effect of the reactive dye is poor due to the mixing of the cold pad-batch dyeing dye solution and the color fixation solution, and improves the dye uptake and the utilization rate of the dye. The stacking temperature of the dye is 20-26 ℃, the temperature is low, the dye is not favorably diffused and permeated, the stacking time can reach 10 hours to the maximum, cloth rolls do not rotate at a constant speed in the stacking process, the cloth surface is easily dyed unevenly, and the problem of cloth surface flower is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a method for improving the active dyeing depth of a pure cotton fabric, which overcomes the problem of low color yield in continuous pad dyeing, the dyeing depth of a printed fabric can be improved by more than 25% on the original basis, the color fastness to washing reaches more than 4 grade, the abrasion color change can reach more than 4 grade, the dry friction color fastness reaches more than 4 grade, the wet friction color fastness reaches more than 3 grade, and the color change of 30-time washing △ E is within 0.5.
The method for improving the reactive dyeing depth of the pure cotton fabric dyes the pure cotton fabric by adopting the processes of padding, rolling and stacking, drying and steaming for fixation, wherein the steaming for fixation process comprises padding fixation liquid, steaming, washing and soaping;
the color fixing solution comprises the following components: 10-11 g/L of caustic soda, 20-35 g/L of soda ash, 200-230 g/L of anhydrous sodium sulphate, 1-3 g/L of anti-dyeing salt, 10-20g/L of a deepening agent and 2-4g/L of a penetrating agent;
the deepening agent is polyacrylate.
The polyacrylate deepening agent is added into the color fixing solution, so that the dyeing depth can be further improved, and the dyed color has more durability.
Preferably, the fixing solution consists of: 10.5g/L of caustic soda, 30g/L of soda ash, 220g/L of anhydrous sodium sulphate, 2g/L of dye-resistant salt, 10-20g/L of deepening agent and 2-4g/L of penetrating agent.
The dye liquor adopted in the rolling step comprises the following components: 1-80g/L of reactive dye, 10-15g/L of anti-migration agent, 3-5g/L of penetrating agent and 60-70% of rolling allowance rate.
Compared with the traditional cold pad-batch dyeing, the dyeing solution of the invention does not need to add an alkaline agent except the reactive dye, so that the dye can fully permeate into the fiber under the condition of unfixed color, thereby improving the dyeing depth and the dyeing durability.
The rolling and stacking step process comprises the following steps: the stacking temperature is 35-38 ℃, the stacking time is 2-4 h, and the rotating speed is 18-20 r/min.
The stacking time can be adjusted according to the thickness and the color of the cloth cover, the rotating speed is not too high, and head-tail color difference caused by centrifugal force is prevented.
The drying conditions are as follows: the infrared pre-drying temperature is 600-660 ℃, the temperature of the No. 1-3 drying room is 110-120 ℃, and the circulating air of the No. 1-3 drying room is 70-80%, 70-80% and 80-90% respectively. The drying conditions can be properly adjusted within the range according to the cloth type.
The steaming conditions were: the steaming time is 50-60 s, and the steaming temperature is 102 ℃.
The washing and soaping conditions are as follows: the temperature of the No. 1-8 water washing tank is 50 deg.C, 60 deg.C, 70 deg.C, 95 deg.C, 70 deg.C, wherein the amount of soaping agent added into the No. 4 water washing tank is 3-5 g/L.
Compared with the prior art, the invention has the following beneficial effects:
(1) compared with the traditional cold pad-batch dyeing, the dyeing solution of the invention does not need to add an alkaline agent except the reactive dye, so that the dye can fully permeate into the fiber under the condition of unfixed color, thereby improving the dyeing depth and the dyeing durability;
(2) according to the invention, the polyacrylate deepening agent is added into the color fixing solution, so that the dyeing depth can be further improved, and the dyed color has more durability;
(3) the dyeing process and the dyeing process are improved, so that the problem of low color yield in continuous pad dyeing is solved, the fabric can obtain ideal dyeing depth, the dyeing depth of the printed and dyed fabric can be improved by more than 25% on the original basis, the color fastness to washing reaches more than 4 grade, the abrasion color change can reach more than 4 grade, the dry friction color fastness reaches more than 4 grade, the wet friction color fastness reaches more than 3 grade, and the color change after 30 times of washing is within 0.5.
Detailed Description
The present invention is further illustrated by the following examples, but the scope of the present invention is not limited thereto, and modifications of the technical solutions of the present invention by those skilled in the art should be within the scope of the present invention.
Example 1
The pure cotton fabric has the following structure specifications: CM50 CM50 144 80 57/58, pattern: and (5) plain weaving.
The method for improving the active dyeing depth of the pure cotton fabric is adopted to treat the pure cotton fabric, and comprises the following steps:
(1) rolling materials: the adopted dye solution comprises the following components: active black 52.10g/L, active blue 9.65g/L, active red 2.29g/L, penetrant 3g/L, anti-migration agent 10g/L, and rolling residual rate 65%.
(2) Rolling and stacking: the temperature is 36 ℃, the stacking time is 2h, and the rotating speed is 18 r/min.
(3) Drying: the infrared pre-drying temperature is 650 ℃, the temperature of the No. 1-3 drying room is 110 ℃, the temperature of the No. 110 drying room is 120 ℃, and the circulating air of the No. 1-3 drying room is 70%, 80% and 80% respectively.
(4) And (3) steaming fixation: sequentially carrying out padding color fixing liquid, steaming, washing and soaping; the adopted color fixing solution comprises the following components: 10.5g/L of caustic soda, 30g/L of soda ash, 220g/L of anhydrous sodium sulphate, 2g/L of dye-resistant salt, 12g/L of deepening agent and 2g/L of penetrating agent; steaming time is 50 s; the washing and soaping conditions are as follows: the temperature of the No. 1-8 rinsing bath is 50 deg.C, 60 deg.C, 70 deg.C, 95 deg.C, 70 deg.C, 4g/L of soaping agent is added into the No. 4 rinsing bath.
The prepared fabric has the advantages of high color depth, pure color light and lasting color, the dyeing depth is darker than that of the fabric dyed by a common dyeing method by 25 percent, the color fastness to washing is changed by 4.5 grades, the staining is 4 grades, the abrasion color change is 4 grades, the dry friction color fastness is 4.5 grades, the wet friction color fastness is 3 grades, the color change value of △ E after 30 times of washing is 0.41, and the wearability is excellent.
Example 2
The pure cotton fabric has the following structure specifications: CM30 spardex 14(70D) 165 x 72 57/58, flower type: 4/1 satin.
The method for improving the active dyeing depth of the pure cotton fabric is adopted to treat the pure cotton fabric, and comprises the following steps:
(1) rolling materials: the adopted dye solution comprises the following components: active black 62.18g/L, active blue 10.25g/L, active red 3.72g/L, penetrant 5g/L, anti-migration agent 12g/L, and rolling residual rate 65%.
(2) Rolling and stacking: the temperature is 38 ℃, the stacking time is 4h, and the rotating speed is 20 r/min.
(3) Drying: the infrared pre-drying temperature is 630 ℃, the temperature of the No. 1-3 drying room is 110 ℃, 120 ℃, and the circulating air of the No. 1-3 drying room is 80%, 90% and 90% respectively.
(4) And (3) steaming fixation: sequentially carrying out padding color fixing liquid, steaming, washing and soaping; the adopted color fixing solution comprises the following components: 11g/L of caustic soda, 33g/L of soda ash, 230g/L of anhydrous sodium sulphate, 2g/L of dye-resistant salt, 20g/L of deepening agent and 4g/L of penetrating agent; steaming time is 60 s; the washing and soaping conditions are as follows: the temperature of the No. 1-8 rinsing bath is 50 deg.C, 60 deg.C, 70 deg.C, 95 deg.C, 70 deg.C, 4 deg.C, and 5g/L soaping agent is added into the No. 4 rinsing bath.
The prepared fabric has the advantages of high color depth, pure color light and lasting color, the dyeing depth is 35% deeper than that of the fabric dyed by a common dyeing method, the color fastness to washing is changed to 4 grades, the staining is 4 grades, the abrasion color change is 4 grades, the dry friction color fastness is 4 grades, the wet friction color fastness reaches 3 grades, the 30-time washing color change △ E value is 0.47, and the wearability is excellent.
Example 3
The pure cotton fabric has the following structure specifications: CM40 CM40 CM 133 72 57/58, pattern: plain weave
The method for improving the active dyeing depth of the pure cotton fabric is adopted to treat the pure cotton fabric, and comprises the following steps:
(1) rolling materials: the adopted dye solution comprises the following components: 25.30g/L of active black, 3.28g/L of active blue, 6.42g/L of active red, 4g/L of penetrant, 10g/L of anti-migration agent and 67 percent of rolling residue.
(2) Rolling and stacking: the temperature is 36 ℃, the stacking time is 3h, and the rotating speed is 18 r/min.
(3) Drying: the infrared pre-drying temperature is 660 ℃, the 1-3# drying room temperature is 110 ℃, 120 ℃, and the 1-3# drying room circulating air is 80%, 90% and 90% respectively.
(4) And (3) steaming fixation: sequentially carrying out padding color fixing liquid, steaming, washing and soaping; the adopted color fixing solution comprises the following components: 10g/L of caustic soda, 28g/L of soda ash, 200g/L of anhydrous sodium sulphate, 2g/L of dye-resistant salt, 15g/L of deepening agent and 3g/L of penetrating agent; steaming time 55 s; the washing and soaping conditions are as follows: the temperature of the No. 1-8 rinsing bath is 50 deg.C, 60 deg.C, 70 deg.C, 95 deg.C, 70 deg.C, 4g/L of soaping agent is added into the No. 4 rinsing bath.
The prepared fabric has the advantages of high color depth, pure color light and lasting color, the dyeing depth is darker than that of the fabric dyed by a common dyeing method by 30 percent, the color fastness to washing is changed by 4.5 grades, the staining is 4 grades, the abrasion color change is 4.5 grades, the dry friction color fastness is 4.5 grades, the wet friction color fastness reaches 3.5 grades, the color change value of △ E after 30 times of washing is 0.32, and the wearability is excellent.
Comparative example 1
This comparative example uses a pure cotton fabric identical to that of example 1, treated by a conventional batch dyeing process, and the steps are as follows:
(1) dyeing: putting the pure cotton fabric into a dye vat, adding a mixed solution of dye liquor and caustic soda (active black 52.10g/L, active blue 9.65g/L, active red 2.29g/L, penetrant 3g/L, anti-migration agent 10g/L, sodium hydroxide 15g/L), keeping the residual rate at 65%, heating to 60 ℃, and stirring for dyeing.
(2) And (3) dyeing promotion: adding 5-6g/L salt for promoting dyeing, adding 1/5 salt for the first time, stirring for 15min, adding 1/5 salt, stirring for 10min, and adding the rest 3/5 salt.
(3) And (3) fixation: adding 5-6g/L sodium carbonate for color fixation, adding at one time, and stirring for 15 min; adding 2-5g/L of caustic soda flakes, adding 1/25 caustic soda flakes for the first time, soaking for 10min, adding 1/12 caustic soda flakes for the second time, soaking for 10min, adding 1/6 caustic soda flakes for the third time, soaking for 10min, adding all the rest of caustic soda flakes, soaking for 50min, and performing a post-treatment process.
(4) And (3) post-treatment process: soaping the dyed fabric in a solution containing 0.3-0.4g/L of saponin at 98 deg.C for 15min for the first time and 1min for the second time; then washed with water for 30 min.
Comparative example 2
The comparative example adopts the same pure cotton fabric as the example 1, and adopts the dyeing method in the patent CN201711407669.2 to treat the pure cotton fabric, and the dyeing process flow is as follows: pretreatment fabric → padding dye liquor → stacking → first drying → padding dye liquor → steaming → high temperature soaping → second drying → after-finishing.
(1) Padding a dye solution: the dye combination is NC-R (huntsman)51.2g/L, BCA (Archroma)14.5g/L, RHF-3B (Archroma)7.8g/L, anti-migration agent 10g/L, penetrant MRZ (Archroma)2g/L, vehicle speed 50m/min, and cold-reactor coiling tension 70N.
(2) Stacking: the stacking temperature is 25 ℃, and the stacking time is 4 h.
(3) Drying for the first time: drying in a Fuji Thermex 6500 continuous dyeing machine at the speed of 50m/min, infrared pre-drying at 650 deg.C, drying room temperature of 110 deg.C, circulating air flow of 50%, exhausting air of 50%, and no need of moving padder and material tank.
(4) Padding a color fixing solution: 5g/L of NaOH, 325/L of Na2CO 325 g/L, 4200/4200 g/L of Na2SO and 3g/L of dye-proofing salt.
(5) Steaming: 102 ℃ 50S.
(6) Washing with water: the method is carried out on a water washing machine of red-flag LMH658-200, and the water washing process is that the water washing temperature of No. 1-9 water washing tanks is 35 ℃, 50 ℃, 60 ℃, 95 ℃, 70 ℃, 50 ℃ and 50 ℃ in sequence, wherein 2g/L of soap washing liquid is added into the 6 th water washing tank, and the acid adjustment of the eighth water washing tank controls the pH value of the cropping to be 6.7.
(7) And (5) drying for the second time by using a drying cylinder, and controlling the falling cloth humidity to be 4.6%.
Comparative example 3
The pure cotton fabric of example 2 was treated using the dyeing method of comparative example 1.
Comparative example 4
The pure cotton fabric of example 2 was treated using the dyeing method of comparative example 2.
Comparative example 5
The pure cotton fabric of example 3 was treated using the dyeing method of comparative example 1.
Comparative example 6
The pure cotton fabric of example 3 was treated using the dyeing method of comparative example 2.
The dyeing results of examples 1 to 3 and comparative examples 1 to 6 are shown in Table 1.
TABLE 1 dyeing results of examples 1 to 3 and comparative examples 1 to 6
The dyeing method comprises the steps of adding an alkaline agent into a dyeing solution, wherein the dyeing solution is prepared by adding an alkaline agent into the dyeing solution, the dyeing depth is lower, the color fastness to washing, the wearing and color change are lower, the rubbing color fastness is higher, the washing color difference is larger, the stacking temperature is lower (25 ℃) and is not beneficial to the diffusion and penetration of the dye, the stacking time is longer, a cloth roll does not rotate at a constant speed in the stacking process, the cloth cover cannot be dyed uniformly, the cloth cover has the problem of cloth cover flower, the dyeing effect is slightly lower than that of the dyeing method, compared with the dyeing method, all indexes are slightly lower, the dyeing method does not add the alkaline agent into the dyeing solution, the dye can fully penetrate into fibers under the condition of unfixed color, the dyeing depth and the dyeing durability are improved, the polyacrylic acid ester dye deepening is added during steaming color fixation, the dyeing depth is further improved, the dyeing depth is improved by one step, the dyeing depth is improved by only reaching the dyeing depth after dyeing of a reactive dye, the dyeing depth after dyeing, the dyeing is improved, the dyeing depth of the dyeing is more than 354, the dyeing depth is improved, the dyeing depth of the dyeing, the fabric is improved, the dyeing process is improved, the dyeing process is more than the dyeing depth of the dyeing of the fabric, the dyeing method can be improved, the dyeing method can be improved, the dyeing depth of the dyeing method, the dyeing method can be improved, the dyeing method, the fabric, the dyeing method can be improved, the dyeing depth of the fabric, the dyeing depth of the dyeing method can be.
Claims (7)
1. A method for improving the active dyeing depth of a pure cotton fabric is characterized by comprising the following steps: dyeing the pure cotton fabric by adopting the processes of rolling, stacking, drying and steaming color fixation, wherein the steaming color fixation process comprises padding color fixation liquid, steaming, washing and soaping;
the color fixing solution comprises the following components: 10-11 g/L of caustic soda, 20-35 g/L of soda ash, 200-230 g/L of anhydrous sodium sulphate, 1-3 g/L of anti-dyeing salt, 10-20g/L of a deepening agent and 2-4g/L of a penetrating agent;
the deepening agent is polyacrylate.
2. The method for improving the reactive dyeing depth of the pure cotton fabric according to claim 1, characterized in that: the color fixing solution comprises the following components: 10.5g/L of caustic soda, 30g/L of soda ash, 220g/L of anhydrous sodium sulphate, 2g/L of dye-resistant salt, 10-20g/L of deepening agent and 2-4g/L of penetrating agent.
3. The method for improving the reactive dyeing depth of the pure cotton fabric according to claim 1, characterized in that: the dye liquor adopted in the rolling step comprises the following components: 1-80g/L of reactive dye, 10-15g/L of anti-migration agent, 3-5g/L of penetrating agent and 60-70% of rolling allowance rate.
4. The method for improving the reactive dyeing depth of the pure cotton fabric according to claim 1, characterized in that: the rolling and stacking step process comprises the following steps: the stacking temperature is 35-38 ℃, the stacking time is 2-4 h, and the rotating speed is 18-20 r/min.
5. The method for improving the reactive dyeing depth of the pure cotton fabric according to claim 1, characterized in that: the drying step conditions are as follows: the infrared pre-drying temperature is 600-660 ℃, the temperature of the No. 1-3 drying room is 110-120 ℃, and the circulating air of the No. 1-3 drying room is 70-80%, 70-80% and 80-90% respectively.
6. The method for improving the reactive dyeing depth of the pure cotton fabric according to claim 1, characterized in that: the steaming conditions were: the steaming time is 50-60 s, and the steaming temperature is 102 ℃.
7. The method for improving the reactive dyeing depth of the pure cotton fabric according to claim 1, characterized in that: the washing and soaping conditions are as follows: the temperature of the No. 1-8 water washing tank is 50 deg.C, 60 deg.C, 70 deg.C, 95 deg.C, 70 deg.C, wherein the amount of soaping agent added into the No. 4 water washing tank is 3-5 g/L.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN113957731A (en) * | 2021-11-24 | 2022-01-21 | 鲁丰织染有限公司 | Process for improving fastness of soaping solution of cellulose fiber and polyester blended deep color fabric |
| CN114351481A (en) * | 2021-12-02 | 2022-04-15 | 石家庄三锦特种织物有限公司 | Water-saving textile printing and dyeing process and textile |
| CN114808494A (en) * | 2022-03-22 | 2022-07-29 | 鲁丰织染有限公司 | Dyeing process for improving dyeing fastness of vegetable dye |
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| CN112111832A (en) * | 2020-09-17 | 2020-12-22 | 盐城工学院 | Multilayer gauze fabric for infants and children and production process thereof |
| CN113047065A (en) * | 2021-04-13 | 2021-06-29 | 山东魏桥特宽幅印染有限公司 | Long-vehicle dyeing production method of bamboo cotton regenerated cellulose fiber fabric |
| CN113957731A (en) * | 2021-11-24 | 2022-01-21 | 鲁丰织染有限公司 | Process for improving fastness of soaping solution of cellulose fiber and polyester blended deep color fabric |
| CN113957731B (en) * | 2021-11-24 | 2023-08-18 | 鲁丰织染有限公司 | Process for improving fastness of soaping solution of cellulose fiber and polyester blended dark fabric |
| CN114351481A (en) * | 2021-12-02 | 2022-04-15 | 石家庄三锦特种织物有限公司 | Water-saving textile printing and dyeing process and textile |
| CN114808494A (en) * | 2022-03-22 | 2022-07-29 | 鲁丰织染有限公司 | Dyeing process for improving dyeing fastness of vegetable dye |
| CN114808494B (en) * | 2022-03-22 | 2023-11-10 | 鲁丰织染有限公司 | Dyeing process for improving dyeing fastness of vegetable dye |
| CN116289263A (en) * | 2023-02-28 | 2023-06-23 | 鲁泰纺织股份有限公司 | Processing method of reactive dyeing super depth of one-color fabric |
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