CN117779498A - Method for fixing color in dyeing reactive dye cotton fabric by combining atomization and vacuum suction - Google Patents
Method for fixing color in dyeing reactive dye cotton fabric by combining atomization and vacuum suction Download PDFInfo
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- CN117779498A CN117779498A CN202311837244.0A CN202311837244A CN117779498A CN 117779498 A CN117779498 A CN 117779498A CN 202311837244 A CN202311837244 A CN 202311837244A CN 117779498 A CN117779498 A CN 117779498A
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- 239000004744 fabric Substances 0.000 title claims abstract description 115
- 238000004043 dyeing Methods 0.000 title claims abstract description 56
- 239000000985 reactive dye Substances 0.000 title claims abstract description 54
- 229920000742 Cotton Polymers 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000000889 atomisation Methods 0.000 title claims abstract description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910001868 water Inorganic materials 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 45
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 44
- 239000011780 sodium chloride Substances 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 238000009980 pad dyeing Methods 0.000 claims abstract description 5
- 238000005406 washing Methods 0.000 claims description 32
- 239000000975 dye Substances 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 22
- 238000010025 steaming Methods 0.000 claims description 21
- 239000000344 soap Substances 0.000 claims description 13
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 12
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 10
- 239000004202 carbamide Substances 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 10
- 239000003086 colorant Substances 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 7
- 238000010186 staining Methods 0.000 claims description 7
- 238000009998 heat setting Methods 0.000 claims description 6
- 239000006210 lotion Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 4
- 238000004040 coloring Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000009489 vacuum treatment Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 9
- 230000009467 reduction Effects 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract 1
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Abstract
The invention discloses a method for fixing color in dyeing reactive dye cotton fabric by combining atomization and vacuum suction, and belongs to the technical field of dyeing of fabrics. After cotton fabric is dyed by adopting a reactive dye pad dyeing mode, the color fixing alkaline agent is atomized, atomized color fixing liquid drops are dispersed on the cotton fabric, and meanwhile, vacuum pumping treatment is carried out on a closed space where the cotton fabric is positioned. The method reduces the consumption of water, sodium chloride and sodium hydroxide in the reactive dye fixation process, and obviously reduces the consumption of fixation liquid while ensuring the color depth of the fabric unchanged. The reduction of the consumption of water, sodium chloride and sodium hydroxide greatly reduces the industrial cost of dyeing cotton fabrics by reactive dyes, reduces the difficulty of treating waste liquid of a color fixing agent, and can greatly reduce environmental pollution.
Description
Technical Field
The invention belongs to the technical field of dyeing of fabrics, and particularly relates to a method for fixing color in dyeing of reactive dye cotton fabrics by combining atomization and vacuum suction.
Background
The reactive dye is a water-soluble dye, and the molecule of the reactive dye contains active groups which can react with hydroxyl groups in cellulose and amino groups in protein, and the reactive dye is mainly used for fixing colors through covalent bonds generated by reaction with fibers during dyeing. The reactive dye has the advantages of bright color, good leveling property, high color fastness, complete color spectrum and the like, so that the reactive dye is popular. However, the dye utilization rate is generally low when using reactive dyes for dyeing, and a large amount of sodium chloride is required for dyeing fixation. Not only increases the difficulty of sewage treatment, but also does not accord with the development theme of environmental protection production and energy conservation at present. The current research on improving the fixation rate of reactive dyes is mainly focused on: cationic modification of fibers, dyeing with a nonaqueous medium, foam dyeing and the like. But in practice it is found that: dyeing by using a fiber cation modification method is easy to cause uneven dyeing; while the toxicity and recovery problems of solvents used in dyeing non-aqueous media remain unsolved; in the foam dyeing, a large amount of assistants such as foaming agents and the like are required to be added to keep the stability of a foam-dye liquor system, so that the treatment of printing and dyeing wastewater is not facilitated, and the pollution is serious.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a method for fixing color in dyeing reactive dye cotton fabrics by combining atomization and vacuum suction.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention discloses a method for fixing colors in dyeing cotton fabrics with reactive dyes by combining atomization and vacuum suction.
Further, the method comprises the following steps:
(1) Dyeing: putting cotton fabric into reactive dye liquor, fully soaking, rolling by a padder, and drying;
(2) Fixation: uniformly and fully combining the color fixing liquid with dyed cotton fabric in a mode of combining atomization and vacuum suction;
(3) Steaming: steaming and fixing the cotton fabric combined with the fixing liquid;
(4) And (3) washing, soaping and drying the dyed and fixed fabric.
Further, the concentration of each component in the reactive dye liquor in the step (1) is as follows: 30g/L of reactive dye RGB blue, 20g/L of urea and 5g/L of anti-staining salt S, and the solvent is water.
Further, in the step (1), the cotton fabric is soaked in the dye liquor for uniform coloring, then is padded with a padder, the padding residual rate is 95% -110%, and the soaking and padding are repeated again to finish the dyeing.
Further, the temperature used for drying the fabric by the heat setting machine in the step (1) is 80-90 ℃ and the time is 3-6 min.
Further, the specific operation of the step (2) is as follows:
atomizing and spraying the cotton fabric by using the color fixing liquid, and combining vacuum suction under the condition of ensuring air tightness to ensure that the color fixing liquid is uniformly distributed on the cotton fabric until the liquid carrying rate of the cotton fabric is 75% -95%, and turning to the step (4);
the color fixing liquid comprises the following components: 0-5 g/L of sodium hydroxide, 17-22g/L of sodium carbonate, 0-200 g/L of sodium chloride and water as solvent.
Further, the specific conditions of the step (3) are as follows:
steaming temperature is 98 ℃, and steaming time is 1.5-3 min.
Further, the step (4) comprises the following steps of cold water washing, hot water washing and soaping liquid in sequence:
cold water washing temperature is 30 ℃, cold water washing time is 3min, bath ratio is 1:30;
the hot water washing temperature is 80 ℃, the hot water washing time is 10min, and the bath ratio is 1:30;
the soap lotion is prepared from 1.5% owf soap powder, the soap lotion temperature is 95 ℃, the soap lotion time is 10min, and the bath ratio is 1:30.
compared with the prior art, the invention has the following beneficial effects:
compared with various problems of the reactive dye dyeing, the water is used as a solvent, so that the problem of solvent toxicity is avoided; the method of combining the atomization fixation liquid with vacuum suction solves the problem of uneven dyeing which is very easy to occur in fiber cation modified dyeing; and meanwhile, no extra auxiliary agent is needed to be added to maintain the stability of the solution system. Compared with other reactive dye dyeing and fixation methods, the method provided by the invention has the following steps: water saving, no sodium chloride, no sodium hydroxide, simple operation, etc. The small liquid drops generated by atomization in the invention can obviously reduce the water consumption and ensure that the color fixing liquid is uniformly distributed on the fabric, thereby avoiding the problem of uneven color fixing and achieving the aims of saving cost and protecting environment.
The invention provides a method for fixing colors in dyeing reactive dye cotton fabric by combining atomization and vacuum suction, which reduces the consumption of water, sodium chloride and sodium hydroxide in the process of fixing colors of reactive dye. The amount of the color fixing liquid is obviously reduced while the color depth of the fabric is unchanged. The mode of combining the atomized alkaline agent with vacuum suction is favorable for combining the color-fixing alkaline agent with the fabric more uniformly, and the liquid carrying rate of the cotton fabric is 75-95%, so that the water consumption is reduced, and the hydrolysis of the reactive dye is reduced. The atomized fixation liquid can avoid the dissolution of the reactive dye in the fixation agent when the fabric is padded with the alkaline agent, reduces the dosage of sodium chloride added for preventing the dye from being dissolved in the fixation liquid, and is favorable for better fixation of the dye on the fabric. The reduction of the liquid carrying amount is also beneficial to reducing the migration of the dye, and can prevent the uneven dyeing of the fabric. And meanwhile, the vacuum suction is favorable for uniformly distributing the color fixing liquid on the fabric, the color fixing uniformity of the reactive dye is enhanced, and the phenomena of 'sunny and shady sides' and white cores which are caused by uneven distribution of the thicker color fixing liquid of the fabric are prevented. The reduction of the consumption of water, sodium chloride and sodium hydroxide greatly reduces the industrial cost of dyeing cotton fabrics by reactive dyes, reduces the difficulty of treating waste liquid of a color fixing agent, and can greatly reduce environmental pollution.
Drawings
FIG. 1 is a schematic representation of the staining procedure of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the attached drawing figures:
referring to fig. 1, fig. 1 is a dyeing flow chart of the invention, an atomization spraying device is arranged on one side of a dyed fabric to uniformly distribute the prepared fixation liquid on the surface of the fabric, and a vacuum suction device is arranged on the other side of the dyed fabric to effectively penetrate the fabric and uniformly distribute the fixation liquid on each position of the fabric. This enables the fabric to be sufficiently fixed and ensures uniform fixation of the fabric.
Example 1
The method for fixing color in dyeing the reactive dye cotton fabric by combining atomization and vacuum suction in the embodiment comprises the following steps:
(1) Dyeing cotton fabric: placing reactive dye RGB blue into a beaker, adding a small amount of water for stirring, adding weighed urea after dissolving a part of dye, continuously stirring, and adding anti-staining salt S after uniformly stirring; wherein the concentration of each component is as follows: reactive dye RGB blue 30g/L, urea 20g/L and anti-dyeing salt S5g/L. And (3) putting the cut fabric into a dye liquor for soaking so as to uniformly color the fabric, padding the fabric by a uniform padding machine (the padding residual rate is 95% -110%), and repeating the soaking and padding again. And (3) drying the padded and dyed fabric by using a heat setting machine, wherein the drying temperature is 80-90 ℃ and the drying time is 3-6 min.
(2) Fixation of fabrics: the reagent with accurate weighing is put into a beaker, and added into an atomizer after being evenly dissolved by adding water. The concentrations of the components are as follows: 5g/L of sodium hydroxide, 20g/L of sodium carbonate and 200g/L of sodium chloride, and the sample liquid carrying rate is 75-95%. And combining vacuum suction under the condition of ensuring air tightness to uniformly distribute the fixation alkaline agent on the fabric. The fabric with the fixation alkaline agent is put into a steamer for steaming. The steaming process conditions were as follows: the temperature is 98 ℃ and the steaming time is 1.5-3 min.
(3) And (3) water washing post-treatment: washing the dyed and fixed sample with cold water at 30 ℃ for 3min, and then with hot water at 80 ℃ for 10min, wherein the bath ratio is 1:30; then putting the fabric after hot water washing into a soap solution prepared from 1.5% (owf) soap powder for soaping, wherein the bath ratio is 1:30, soaping at 95 ℃ for 10min, taking out the fabric after the soaping, washing with cold water, and drying.
Example 2
The method for fixing color in dyeing the reactive dye cotton fabric by combining atomization and vacuum suction in the embodiment comprises the following steps:
(1) Dyeing cotton fabric: placing reactive dye RGB blue into a beaker, adding a small amount of water for stirring, adding weighed urea after dissolving a part of dye, continuously stirring, and adding anti-staining salt S after uniformly stirring; wherein the concentration of each component is as follows: reactive dye RGB blue 30g/L, urea 20g/L and anti-dyeing salt S5g/L. And (3) putting the cut fabric into a dye liquor for soaking so as to uniformly color the fabric, padding the fabric by a uniform padding machine (the padding residual rate is 95% -110%), and repeating the soaking and padding again. And (3) drying the padded and dyed fabric by using a heat setting machine, wherein the drying temperature is 80-90 ℃ and the drying time is 3-6 min.
(2) Fixation of fabrics: the reagent with accurate weighing is put into a beaker, and added into an atomizer after being evenly dissolved by adding water. The concentrations of the components are as follows: 5g/L of sodium hydroxide, 20g/L of sodium carbonate and 0g/L of sodium chloride, and the sample liquid carrying rate is 75-95%. And combining vacuum suction under the condition of ensuring air tightness to uniformly distribute the fixation alkaline agent on the fabric. The fabric with the fixation alkaline agent is put into a steamer for steaming. The steaming process conditions were as follows: the temperature is 98 ℃ and the steaming time is 1.5-3 min.
(3) And (3) water washing post-treatment: washing the dyed and fixed sample with cold water at 30 ℃ for 3min, and then with hot water at 80 ℃ for 10min, wherein the bath ratio is 1:30; then putting the fabric after hot water washing into a soap solution prepared from 1.5% (owf) soap powder for soaping, wherein the bath ratio is 1:30, soaping at 95 ℃ for 10min, taking out the fabric after the soaping, washing with cold water, and drying.
Example 3
The method for fixing color in dyeing the reactive dye cotton fabric by combining atomization and vacuum suction in the embodiment comprises the following steps:
(1) Dyeing cotton fabric: placing reactive dye RGB blue into a beaker, adding a small amount of water for stirring, adding weighed urea after dissolving a part of dye, continuously stirring, and adding anti-staining salt S after uniformly stirring; wherein the concentration of each component is as follows: reactive dye RGB blue 30g/L, urea 20g/L and anti-dyeing salt S5g/L. And (3) putting the cut fabric into a dye liquor for soaking so as to uniformly color the fabric, padding the fabric by a uniform padding machine (the padding residual rate is 95% -110%), and repeating the soaking and padding again. And (3) drying the padded and dyed fabric by using a heat setting machine, wherein the drying temperature is 80-90 ℃ and the drying time is 3-6 min.
(2) Fixation of fabrics: and (3) putting the accurately weighed reagent into a beaker, adding water to dissolve uniformly, and then adding the solution into an atomizer to perform atomization spraying. The concentrations of the components are as follows: sodium hydroxide 0g/L, sodium carbonate 20g/L and sodium chloride 0g/L, and the sample liquid carrying rate is 75-95%. And combining vacuum suction under the condition of ensuring air tightness to uniformly distribute the fixation alkaline agent on the fabric. The fabric with the fixation alkaline agent is put into a steamer for steaming. The steaming process conditions were as follows: the temperature is 98 ℃ and the steaming time is 1.5 min-3 min.
(3) And (3) water washing post-treatment: washing the dyed and fixed sample with cold water at 30 ℃ for 3min, and then with hot water at 80 ℃ for 10min, wherein the bath ratio is 1:30; then putting the fabric after hot water washing into a soap solution prepared from 1.5% (owf) soap powder for soaping, wherein the bath ratio is 1:30, soaping at 95 ℃ for 10min, taking out the fabric after the soaping, washing with cold water, and drying.
Fabric apparent colour depth K/S value determination: the K/S value of the dyed samples was measured with a computer colorimeter, each sample was tested 3 times using a D65 light source and a 10 degree observation angle, and the average was taken.
Fastness to rubbing: the test was performed with reference to GB/T3920-2008 "fabrics colour fastness to rubbing experiment".
Fastness to washing with soap: the test is carried out by referring to GB/T3921-2008 "fastness to washing for textile color fastness experiment".
Perspiration color fastness: the test is carried out with reference to GB/T3922-2013 "perspiration fastness for textile color fastness experiment".
TABLE 1K/S values and color fastness of denim yarn dyed according to example 3
From the data measured in table 1, it can be seen that: the color fastness of the cotton fabric sample of example 3 can be achieved.
Comparative example 1
The traditional dyeing and fixation method for the reactive dye cotton fabric comprises the following steps:
(1) Dyeing cotton fabric: placing reactive dye RGB blue into a beaker, adding a small amount of water for stirring, adding weighed urea after dissolving a part of dye, continuously stirring, and adding anti-staining salt S after uniformly stirring; wherein the concentration of each component is as follows: reactive dye RGB blue 30g/L, urea 20g/L and anti-dyeing salt S5g/L. The cut fabric is put into dye liquor for soaking to be uniformly colored, a uniform padder is used for pad dyeing (the padding ratio is 95% -110%), and the process is repeated twice. And (3) drying the padded and dyed fabric by using a heat setting machine, wherein the drying temperature is 80-90 ℃ and the drying time is 3-6 min.
(2) Fixation of fabrics: and (3) putting the accurately weighed reagent into a beaker, adding water to dissolve uniformly, fully soaking the dyed sample with the prepared color fixing liquid, and simultaneously using a uniform padder to pad the sample. The color fixing liquid comprises the following components in percentage by weight: 5g/L of sodium hydroxide, 20g/L of sodium carbonate and 200g/L of sodium chloride, and the sample liquid carrying rate is 95-10%. And (3) putting the fabric with the color-fixing alkaline agent into a steaming machine for steaming. The steaming process conditions were as follows: the temperature is 98 ℃ and the steaming time is 1.5-3 min.
(3) And (3) water washing post-treatment: washing the dyed and fixed sample with cold water at 30 ℃ for 3min, and then with hot water at 80 ℃ for 10min, wherein the bath ratio is 1:30; then putting the fabric after hot water washing into a soap solution prepared from 1.5% (owf) soap powder for soaping, wherein the bath ratio is 1:30, soaping at 95 ℃ for 10min, taking out the fabric after the soaping, washing with cold water, and drying.
TABLE 2K/S values and color fastness of the fabrics dyed according to COMPARATIVE EXAMPLE 1
Comparison of tables 2 and 1 shows that: other conditions are unchanged, and the sample obtained by the fixation through the mode of atomization and vacuum suction (without sodium chloride and sodium hydroxide) is compared with the sample obtained by the traditional pad dyeing fixation (the fixation liquid contains sodium chloride and sodium hydroxide), so that the K/S value is higher than that of the sample obtained by the traditional fixation mode, and the color fastness is consistent. This means that the fixation mode combining atomization and vacuum suction can uniformly distribute the fixation liquid on the fabric, fixation is carried out under the condition of completely not using sodium chloride and sodium hydroxide, and the same dyeing effect as that of the traditional pad dyeing fixation can be obtained.
Comparative example 2
According to the formula of comparative example 1, the dosage of sodium chloride in the color fixing liquid is changed to 0g/L, and the rest conditions are unchanged. The K/S value of the dyed sample was 13.091.
Comparative example 3
According to the formula of comparative example 1, the dosage of sodium hydroxide and sodium chloride in the color fixing liquid is changed to 0g/L, and the rest conditions are unchanged. The K/S value of the dyed sample was 17.501.
As can be seen from example 3 and comparative example 1, when dyeing cotton fabrics with reactive RGB blue dye, the color fixing mode of atomization and vacuum suction is basically consistent with the color fixing mode of traditional padding liquid in the presence of sodium chloride and sodium hydroxide under the condition of no sodium chloride and sodium hydroxide. This is because in the conventional pad-fixing method, the dyed cotton fabric is contacted with a fixing liquid with a quality far exceeding that of the cotton fabric, a part of the dye is dissolved in the fixing liquid, and a part of the dye is hydrolyzed, so that the amount of the dye fixed on the fabric is reduced.
As can be seen from comparative examples 2 and 3, when the reactive RGB blue dye is used for dyeing cotton fabrics, the K/S value of the sample obtained by fixation is greatly reduced without adding sodium chloride and sodium hydroxide in the conventional pad-liquid fixation mode. This is because the reduction in the amount of sodium chloride increases the free water in the fixing bath, which results in an increase in the hydrolysis of the dye of the dyed fabric, while the increase in the dye dissolved in the fixing bath, reduces the amount of dye fixed on the fabric. The sodium hydroxide plays a role in fixation, the reduction of the sodium hydroxide amount reduces the fixation amount of the dye, the reactive dye can not be fully combined and fixed with the fiber, the dye utilization rate is reduced, and the obtained sample has light color.
The above is only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. A method for fixing colors in dyeing cotton fabrics with reactive dyes by combining atomization and vacuum suction is characterized in that after the cotton fabrics are dyed by adopting a reactive dye pad dyeing mode, the color fixing alkaline agent is atomized, color fixing liquid drops after atomization are dispersed on the cotton fabrics, and meanwhile, the vacuum treatment is carried out on a closed space where the cotton fabrics are located.
2. The method for fixing colors in dyeing reactive dye cotton fabrics by combining atomization and vacuum suction according to claim 1, which comprises the following steps:
(1) Dyeing: putting cotton fabric into reactive dye liquor, fully soaking, rolling by a padder, and drying;
(2) Fixation: uniformly and fully combining the color fixing liquid with dyed cotton fabric in a mode of combining atomization and vacuum suction;
(3) Steaming: steaming and fixing the cotton fabric combined with the fixing liquid;
(4) And (3) washing, soaping and drying the dyed and fixed fabric.
3. The method of fixing colors in dyeing reactive dye cotton fabrics by combining atomization and vacuum suction according to claim 2, wherein the concentration of each component in the reactive dye liquor in step (1) is: 30g/L of reactive dye RGB blue, 20g/L of urea and 5g/L of anti-staining salt S, and the solvent is water.
4. The method for fixing color in dyeing reactive dye cotton fabric by combining atomization and vacuum suction according to claim 2, wherein in the step (1), the cotton fabric is soaked in a dye liquor for uniform coloring, then padding is carried out by a padder, the padding residual rate is 95% -110%, and the soaking and padding are repeated again to complete the dyeing.
5. The method for fixing color in dyeing reactive dye cotton fabric by combining atomization and vacuum suction according to claim 2, wherein the temperature used for drying the fabric by the heat setting machine in the step (1) is 80-90 ℃ for 3-6 min.
6. The method for fixing color in dyeing reactive dye cotton fabrics by combining atomization and vacuum suction according to claim 2, wherein the specific operation of the step (2) is as follows:
and (3) atomizing and spraying the cotton fabric by using the color fixing liquid, combining vacuum suction under the condition of ensuring air tightness, so that the color fixing liquid is uniformly distributed on the cotton fabric until the liquid carrying rate of the cotton fabric is 75% -95%, and turning to the step (4).
7. The method for fixing colors in dyeing reactive dye cotton fabrics by combining atomization and vacuum suction according to claim 6, wherein the color fixing liquid comprises the following components: 0-5 g/L of sodium hydroxide, 17-22g/L of sodium carbonate, 0-200 g/L of sodium chloride and water as solvent.
8. The method for fixing color in dyeing reactive dye cotton fabrics by combining atomization and vacuum suction according to claim 2, wherein the specific conditions of the step (3) are as follows:
steaming temperature is 98 ℃, and steaming time is 1.5-3 min.
9. The method for fixing color in dyeing reactive dye cotton fabrics by combining atomization and vacuum suction according to claim 2, wherein the step (4) comprises the following steps of cold water washing, hot water washing and soaping liquid in sequence:
cold water washing temperature is 30 ℃, cold water washing time is 3min, bath ratio is 1:30;
the hot water washing temperature is 80 ℃, the hot water washing time is 10min, and the bath ratio is 1:30.
10. the method for fixing color in dyeing reactive dye cotton fabrics by combining atomization and vacuum suction according to claim 9, wherein the soap lotion is prepared by using 1.5% owf soap powder, the soap lotion temperature is 95 ℃, the soap lotion time is 10min, and the bath ratio is 1:30.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311837244.0A CN117779498A (en) | 2023-12-28 | 2023-12-28 | Method for fixing color in dyeing reactive dye cotton fabric by combining atomization and vacuum suction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311837244.0A CN117779498A (en) | 2023-12-28 | 2023-12-28 | Method for fixing color in dyeing reactive dye cotton fabric by combining atomization and vacuum suction |
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