CN112391858A - Short-process dyeing method for cotton/brocade/ammonia knitted fabric - Google Patents
Short-process dyeing method for cotton/brocade/ammonia knitted fabric Download PDFInfo
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- CN112391858A CN112391858A CN202011126922.9A CN202011126922A CN112391858A CN 112391858 A CN112391858 A CN 112391858A CN 202011126922 A CN202011126922 A CN 202011126922A CN 112391858 A CN112391858 A CN 112391858A
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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
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/8219—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and amide groups
-
- 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
- D06P1/39—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 acid 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
-
- 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
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/24—Polyamides; Polyurethanes
- D06P3/241—Polyamides; Polyurethanes using acid 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
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
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Abstract
The invention discloses a short-process dyeing method for cotton/brocade/ammonia knitted fabric, which comprises the following steps: firstly, refining treatment is carried out; washing with water, acid neutralizing and deoxidizing successively; dyeing cotton, washing and acid neutralizing in sequence without soaping; fourthly, performing loop dyeing on the chinlon, and directly performing acid color fixation without discharging liquid after dyeing; the acidic color fixing adopts DM-2537 acidic color fixing agent; fifthly, softening treatment is carried out. On one hand, the method adopts DM-2537 acidic color fixing agent to dye the cotton/brocade/ammonia knitted fabric, then the color is fixed directly without discharging liquid, and a better color fixing effect can be obtained; on the other hand, the novel three-active-group active dye is adopted to dye cotton on the cotton/brocade/ammonia knitted fabric, so that soaping after the cotton is dyed can be omitted. Compared with the traditional process, the whole dyeing process can save time for 2-3 h, can save water by at least 3 cylinders, and has obvious energy-saving and emission-reducing effects.
Description
Technical Field
The invention belongs to the technical field of energy conservation and emission reduction, and particularly relates to a short-process dyeing method for a cotton/brocade/ammonia knitted fabric.
Background
The polyamide belongs to polyamide fiber, is the synthetic fiber produced in the earliest industrialization in the world, and still occupies an important position in the synthetic fiber till now. The nylon fiber has excellent physical performance, textile performance, chemical stability and many advantages of synthetic fiber, such as no-ironing, no-washing and wearing, good dimensional stability, small shrinkage, high weather resistance and the like.
The cotton fiber has the advantages of moisture absorption, air permeability, soft hand feeling, comfortable wearing and the like, and the problems of easy pilling, static electrification and the like of chemical fiber are solved. The cotton/nylon/ammonia knitted fabric which is formed by blending cotton and nylon and then interweaving spandex or directly interweaving cotton, nylon and spandex has the skin-friendly feeling of natural fiber and the cool feeling of nylon and has good dimensional stability.
Because the wet treatment fastness of chinlon dyed is poor, acid color fixation is needed, and in order to obtain a good color fixation effect, the traditional process firstly discharges liquid and then fixes color after dyeing (that is, other components do not influence the color fixation effect), so that the process is long, the efficiency is low, the water consumption is high, and the energy consumption is high.
At present, for 100% nylon fabric and common nylon/ammonia fabric (the content of spandex is not more than 10%, usually 5%), the direct color fixation without liquid discharge after dyeing can be realized according to the reports of documents, and the color fixation effect is basically equivalent to that of the traditional process.
However, no literature report on direct fixation without liquid discharge after dyeing has been found for cotton/brocade/ammonia knitted fabrics.
In addition, for the cotton/brocade/ammonia knitted fabric, the traditional process has the following defects: for dark color systems, the color fixing effect is poor and the color fastness is not ideal.
In addition, for the cotton/brocade/ammonia knitted fabric, the traditional process needs soaping after dyeing cotton, which also results in longer flow, lower efficiency, larger water consumption and higher energy consumption.
Disclosure of Invention
The invention aims to solve the problems and provides a short-process dyeing method for cotton/brocade/ammonia knitted fabrics, which can obtain a good color fixing effect after direct color fixing without discharging liquid after dyeing, and particularly has high color fastness for deep color systems.
The technical scheme for realizing the above purpose of the invention is as follows: a short-process dyeing method for cotton/brocade/ammonia knitted fabric comprises the following steps:
firstly, refining the cotton/brocade/ammonia knitted fabric;
washing the cotton/brocade/ammonia knitted fabric with water, neutralizing with acid and deoxidizing in sequence;
thirdly, dyeing cotton on the cotton/brocade/ammonia knitted fabric, then washing and neutralizing with acid without soaping;
fourthly, performing pad dyeing on the cotton/nylon/ammonia knitted fabric to obtain nylon, and directly performing acid color fixation without discharging liquid after dyeing; the acidic color fixing adopts DM-2537 acidic color fixing agent;
fifthly, softening the cotton/brocade/ammonia knitted fabric.
The refining treatment in the step I adopts the following formula of treatment liquid: 1-2 g/L of refining agent, 1-2 g/L of refining emulsifier, 1-3 g/L of caustic soda, 2-6 g/L of hydrogen peroxide and the balance of water.
The refining treatment in the first step is carried out at the temperature of 90-110 ℃ for 20-50 min.
In the second step, the temperature of acid neutralization is 20-40 ℃, and the time is 10-20 min.
And in the second step, the temperature of the deoxidization treatment is 25-35 ℃, and the time is 15-25 min.
The formula of the dye solution adopted by the cotton dyeing in the third step is as follows: 50-80 g/L of anhydrous sodium sulphate, 2-3 g/L of substitute alkali or 15-20 g/L of calcined soda, 0.01-5% of reactive dye and the balance of water.
The reactive dye is a three-active group reactive dye.
And c, dyeing cotton at 50-70 ℃ for 40-60 min.
In the third step, the temperature for neutralizing the acid is 20-40 ℃ and the time is 10-20 min.
The formula of the dye solution adopted by the sleeve dyeing of the chinlon in the step IV is as follows: glacial acetic acid 0.5-1.5 g/L, acid dye 0.01-4% and water in balance.
The specific method for the loop dyeing of the chinlon in the step IV is as follows: firstly, 1/2 glacial acetic acid and an acid dye are dissolved and uniformly stirred, the mixture is slowly added into a dye vat, the adding time is controlled to be 20-30 min, then the pH of the dye solution is adjusted to be 4-6 by using the residual glacial acetic acid, finally, the heating rate is controlled, the temperature is increased to 98 ℃, and the temperature is kept for 30-40 min.
And in the step IV, the acid color fixing temperature is 75-85 ℃, and the time is 15-30 min.
In the third step, the dosage of the acidic color fixing agent is 2-5 g/L.
In the fifth step, the softening treatment is carried out at the temperature of 20-40 ℃ for 15-30 min.
In the fifth step, the softening treatment adopts a hydrophilic softening agent, and the dosage is 1-3 g/L.
The invention has the following positive effects:
(1) a large number of experiments show that the DM-2537 acidic color fixing agent can realize direct color fixing without discharging liquid after dyeing and still can obtain a good color fixing effect on cotton/brocade/ammonia knitted fabrics, and particularly for deep color systems, various color fastness is even superior to that of the traditional process, so that the process can be shortened, and the water consumption can be reduced.
(2) A large number of experiments show that the cotton/nylon/ammonia knitted fabric dyed by the reactive dye with three active groups only has a small amount of loose color, and the loose color can be completely removed in the process of dyeing nylon, so that soaping after dyeing cotton can be omitted, the process is further shortened, and the water consumption is reduced.
(3) Compared with the traditional process, the short-flow dyeing method disclosed by the invention can save time for 2-3 h (the time saving rate is 19-28.5%), can save water for at least 3 cylinders (the water saving rate is at least 27.3%) in the whole dyeing process, and has obvious energy-saving and emission-reducing effects.
Detailed Description
(example 1)
The short-process dyeing method for the cotton/brocade/ammonia knitted fabric comprises the following steps:
soaking the cotton/brocade/ammonia knitted fabric in a treatment solution containing 1.5g/L of a refining agent, 1.5g/L of a refining emulsifier, 2g/L of caustic soda and 4g/L of hydrogen peroxide, and refining at the temperature of 98 ℃ for 45min to remove various impurities on spinning oil, weaving oil and cotton fibers.
The cotton/nylon/ammonia knitted fabric adopted by the embodiment is cotton/nylon/ammonia interwoven single-sided cloth; wherein the content of the cotton fiber (50S) is 57.6 percent, the content of the nylon fiber (70D/48F) is 36.4 percent, and the content of the spandex fiber (20D) is 6 percent.
The refining agent adopted in the embodiment is a refining agent 2A produced by Shanghai-Germany-industry and trade Co., Ltd, and the main component of the refining agent is a mixture of polyoxyethylene fatty acid ester and fatty acid ester; the refining emulsifier is SEM-35N refining emulsifier produced by Fujian chemical industry Co., Ltd, and its main component is polyoxyethylene nonyl phenol ether.
And secondly, washing the cotton/brocade/ammonia knitted fabric refined in the step I twice, then carrying out acid neutralization for 15min at the temperature of 30 ℃ by using glacial acetic acid, and finally carrying out deoxygenation treatment for 20min at the temperature of 30 ℃ by using the Ononian deoxygenating enzyme.
Dyeing cotton on the cotton/brocade/ammonia knitted fabric processed in the step two; the specific method comprises the following steps: and (3) immersing the cotton/brocade/ammonia knitted fabric into a dye solution, and dyeing cotton for 50min at the temperature of 60 ℃.
Then washing twice with water, and then performing acid neutralization with glacial acetic acid at the temperature of 30 ℃ for 15min without soaping after the acid neutralization.
The specific formula of the dye liquor for dyeing cotton in this example is shown in Table 1.
Fourthly, performing pad dyeing on the cotton/nylon/ammonia knitted fabric processed in the third step; the specific method comprises the following steps: firstly, 1/2 glacial acetic acid and acid dye are dissolved and stirred uniformly, the mixture is slowly added into a dye vat, the adding time is controlled to be 25min, then the pH of the dye solution is adjusted to be 4.5 by using the residual glacial acetic acid, finally, the temperature is increased to 60 ℃ at the speed of 2.5 ℃/min, then, the temperature is increased to 98 ℃ at the speed of 1.5 ℃/min, and the temperature is kept at 98 ℃ for 35 min.
After dyeing, the temperature of the discharged liquid is directly reduced to 80 ℃, 3g/L of DM-2537 acidic color fixing agent is added, and the color is fixed for 20min under the temperature of 80 ℃.
The specific formula of the dye solution for the pad dyeing of chinlon in the embodiment is also shown in table 1.
The DM-2537 acidic color fixing agent adopted in the embodiment is from Guangdong Germany fine chemical group, Inc.
Finally adding 2g/L of hydrophilic softening agent, softening at 30 ℃ for 20min, and taking out of the jar.
The hydrophilic softener used in this example was TWSOFT SL 302 non-silicone softener from Daohio, Kyowa, Macro chemical Co., Ltd.
(examples 2 to 4)
The short-process dyeing method of the cotton/brocade/ammonia knitted fabric of each example is basically the same as that of example 1, and the differences are shown in Table 1.
TABLE 1
| Example 1 | Example 2 | Example 3 | Example 4 | |
| Colour(s) | Black color | Deep red color | Deep yellow | Deep sea blue |
| Activity of Dye material | 5% Argazol ® (ya @ J) (Yak @) Gesu) Black HW (wood flour) capsules | 2.5 percent of Argazol- (jaegenin) Red- GE | 2.5 percent Colorsol- (kaleidin) Golden armor SP | 2.5% Activity Blue Deep Sea SE |
| Ming dynasty Powder | 80g/L | 50g/L | 50g/L | 50g/L |
| Surrogate Alkali ASP | 2.5g/L | 2g/L | / | / |
| Soda ash | / | / | 20g/L | 20g/L |
| Acidity Dye material | 3.8% of Sunacid Black BH | 1.8% of Sunacid Red NFS | 1.9% of Sunacid Yellow 2R | 1.9% of Sunacid Blue NFS |
| Ice vinegar Acid(s) | 1.0g/L | 0.8g/L | 0.8g/L | 0.8g/L |
The reactive dyes in table 1 are all three reactive group reactive dyes; wherein: argazol (jaegel) Black HW and Argazol (jaegel) Red GE are from Shanghai Yayun textile chemical industry, Inc.; colorsol (Kelemin) Golden SP is from Keleman (Shanghai) science and technology Limited; reactive blue Deep Sea SE was from hensimei textile dyeing (china) ltd.
The acid dyes in table 1 are all from degwann chemical industry ltd, Jiangsu.
(comparative example 1A to comparative example 4A)
The short-process dyeing method of the cotton/brocade/ammonia knitted fabric in the comparative example 1A to the comparative example 4A is basically the same as that in the example 1 to the example 4 respectively, except that: the adopted acidic color fixing agent is TF-506HA which is sourced from the Joint sharps of Industrial chemistry, Inc.
(comparative example 1B to comparative example 4B)
The short-process dyeing method of the cotton/brocade/ammonia knitted fabric of the comparative example 1B to the comparative example 4B is basically the same as that of the example 1 to the example 4 respectively, except that: the adopted acidic color fixing agent is HT-GL and is sourced from Zhang Jia Hongkangtai chemical industry Co.
(comparative example 1C to comparative example 4C)
The short-process dyeing method of the cotton/brocade/ammonia knitted fabric of the comparative example 1C to the comparative example 4C is basically the same as that of the example 1 to the example 4 respectively, except that: and (3) fixing the color by adopting an acidic color fixing agent HT-GL according to the traditional process.
(test example 1)
The short-process dyed cotton/brocade/ammonia knitted fabrics of examples 1 to 4 are subjected to soaping color fastness test and compared with each proportion, and the results are shown in Table 2, and the test standard is GB/T3921-.
TABLE 2
As can be seen from table 2: the short-process dyed cotton/brocade/ammonia knitted fabric of each embodiment has good soaping color fastness and is superior to that of the traditional process, and the color fastness of the short-process dyed cotton/brocade/ammonia knitted fabric adopting other color fixing agents is not ideal.
(test example 2)
The (acid) perspiration stain resistance color fastness test is carried out on the cotton/brocade/ammonia knitted fabrics dyed in the short process of the embodiment 1 to the embodiment 4, and the results are compared with each proportion, and the results are shown in the table 3, and the test standard is GB/T3922-.
TABLE 3
As can be seen from table 3: the color fastness to (acid) perspiration of the cotton/brocade/ammonia high-elasticity fabric dyed by the short-process in each example is better than that of the conventional process, and the color fastness of the short-process dyed cotton/brocade/ammonia high-elasticity fabric dyed by other color fixing agents is not ideal.
Claims (10)
1. A short-process dyeing method for cotton/brocade/ammonia knitted fabric comprises the following steps:
firstly, refining the cotton/brocade/ammonia knitted fabric;
washing the cotton/brocade/ammonia knitted fabric with water, neutralizing with acid and deoxidizing in sequence;
thirdly, dyeing cotton on the cotton/brocade/ammonia knitted fabric, then washing and neutralizing with acid without soaping;
fourthly, performing pad dyeing on the cotton/nylon/ammonia knitted fabric to obtain nylon, and directly performing acid color fixation without discharging liquid after dyeing; the acidic color fixing adopts DM-2537 acidic color fixing agent;
fifthly, softening the cotton/brocade/ammonia knitted fabric.
2. The short-process dyeing method for the cotton/nylon/ammonia knitted fabric according to claim 1, characterized by comprising the following steps: in the step I, the formula of the treating fluid adopted by the refining treatment is as follows: 1-2 g/L of refining agent, 1-2 g/L of refining emulsifier, 1-3 g/L of caustic soda, 2-6 g/L of hydrogen peroxide and the balance of water; the refining treatment temperature is 90-110 ℃, and the refining treatment time is 20-50 min.
3. The short-process dyeing method for the cotton/nylon/ammonia knitted fabric according to claim 1, characterized by comprising the following steps: in the second step, the temperature of acid neutralization is 20-40 ℃, and the time is 10-20 min; the temperature of the deoxidization treatment is 25-35 ℃, and the time is 15-25 min.
4. The short-process dyeing method for the cotton/nylon/ammonia knitted fabric according to claim 1, characterized by comprising the following steps: in the third step, the temperature of acid neutralization is 20-40 ℃, and the time is 10-20 min.
5. The short-process dyeing method for the cotton/nylon/ammonia knitted fabric according to claim 1, characterized by comprising the following steps: in the third step, the temperature of the dyed cotton is 50-70 ℃, and the time is 40-60 min; the formula of the dye solution adopted by the cotton dyeing is as follows: 50-80 g/L of anhydrous sodium sulphate, 2-3 g/L of substitute alkali or 15-20 g/L of calcined soda, 0.01-5% of reactive dye and the balance of water.
6. The short-process dyeing method for the cotton/nylon/ammonia knitted fabric according to claim 1, characterized by comprising the following steps: in the step IV, the specific method for sleeve dyeing the chinlon comprises the following steps: firstly, 1/2 glacial acetic acid and an acid dye are dissolved and uniformly stirred, the mixture is slowly added into a dye vat, the adding time is controlled to be 20-30 min, then the pH of a dye solution is adjusted to be 4-6 by using the residual glacial acetic acid, finally, the heating rate is controlled, the temperature is increased to 98 ℃, and the temperature is kept for 30-40 min; the formula of the dye solution adopted by the pad dyeing chinlon is as follows: glacial acetic acid 0.5-1.5 g/L, acid dye 0.01-4% and water in balance.
7. The short-process dyeing method for the cotton/nylon/ammonia knitted fabric according to claim 1, characterized by comprising the following steps: in the fifth step, the softening treatment is carried out at the temperature of 20-40 ℃ for 15-30 min; the softening treatment adopts a hydrophilic softening agent, and the using amount is 1-3 g/L.
8. The short-process dyeing method for cotton/brocade/ammonia knitted fabric according to one of claims 1 to 7, characterized in that: in the fourth step, the acid color fixing temperature is 75-85 ℃, and the time is 15-30 min; the dosage of the DM-2537 acidic color fixing agent is 2-5 g/L.
9. The short-process dyeing method for the cotton/nylon/ammonia knitted fabric according to claim 8, characterized by comprising the following steps: the reactive dye is a three-active group reactive dye.
10. The short-process dyeing method for cotton/brocade/ammonia knitted fabric according to one of claims 1 to 7, characterized in that: the reactive dye is a three-active group reactive dye.
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| CN202011126922.9A CN112391858A (en) | 2020-10-20 | 2020-10-20 | Short-process dyeing method for cotton/brocade/ammonia knitted fabric |
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| CN202011126922.9A CN112391858A (en) | 2020-10-20 | 2020-10-20 | Short-process dyeing method for cotton/brocade/ammonia knitted fabric |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293387A (en) * | 2021-12-31 | 2022-04-08 | 江苏润禾纺织实业有限公司 | Novel dyeing process for cotton-nylon polyurethane imitation jean |
| CN115262247A (en) * | 2022-08-24 | 2022-11-01 | 张家港市德宝化工有限公司 | Polyester cotton tooling fabric and one-step dyeing process thereof |
-
2020
- 2020-10-20 CN CN202011126922.9A patent/CN112391858A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293387A (en) * | 2021-12-31 | 2022-04-08 | 江苏润禾纺织实业有限公司 | Novel dyeing process for cotton-nylon polyurethane imitation jean |
| CN115262247A (en) * | 2022-08-24 | 2022-11-01 | 张家港市德宝化工有限公司 | Polyester cotton tooling fabric and one-step dyeing process thereof |
| CN115262247B (en) * | 2022-08-24 | 2023-10-31 | 张家港市德宝化工有限公司 | Polyester cotton tooling fabric and one-step dyeing process thereof |
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