CN105133390B - Dyeing method of reactive dyes - Google Patents
Dyeing method of reactive dyes Download PDFInfo
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- CN105133390B CN105133390B CN201510671418.XA CN201510671418A CN105133390B CN 105133390 B CN105133390 B CN 105133390B CN 201510671418 A CN201510671418 A CN 201510671418A CN 105133390 B CN105133390 B CN 105133390B
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- 229920000742 Cotton Polymers 0.000 claims description 37
- 239000000126 substance Substances 0.000 claims description 27
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- 238000005516 engineering process Methods 0.000 claims description 14
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Abstract
The invention provides a dyeing method of reactive dyes. The method includes the steps of conducting preprocessing, wherein loose fiber or yarn or fabric is preprocessed; conducting dyeing, wherein the preprocessed loose fiber or yarn or fabric is dyed in the reactive dyes through a water-saving dyeing method; conducting color fixing, wherein the dyed loose fiber or yarn or fabric is directly soaked in color fixing liquid to be subjected to color fixing and is then baked so that the dyeing process of the reactive dyes can be completed. In the dyeing step, the structure of the reactive dyes at least contains three active groups. According to the technical scheme, operation is easy, no salt is used in the dyeing process, and the good dyeing and color fixing effects can be achieved with a smaller volume of water; in addition, water used in the dyeing process can be directly evaporated in the subsequent operation process, no washing operation is needed after color dyeing and fixing, and therefore no dyeing wastewater can be produced after operation is ended, and clean production is achieved.
Description
Technical Field
The invention relates to a dyeing method of a reactive dye, belonging to the field of textile dyeing and finishing.
Background
In a traditional cotton fabric dyeing system taking water as a medium, a hydrolysis side reaction occurs in the reactive dye during alkaline color fixation, so that the covalent bonding capability with cellulose fibers is lost, and the utilization rate of the reactive dye is greatly reduced; meanwhile, in order to obtain the required wet processing fastness of dyeing after dyeing is finished, the hydrolytic dye distributed in the fiber interior, the fiber surface and capillary network pore passages among fibers must be removed by sufficient washing, so that the fixation rate of the reactive dye is not high (about 40-85%) in the traditional dyeing process.
In addition, the traditional dyeing process has large water consumption and energy consumption, and sewage is discharged in the dyeing process; although the prior art describes dyeing by using a small bath ratio, the prior art fails to widely use the dyeing in the field, mainly because the small bath ratio dyeing is easily affected by dye solubility, equipment specificity, dyeing leveling property and easy scratching of the fabric surface, and cannot obtain satisfactory effects.
In the prior art, pure organic solvent is used for dyeing, although the utilization rate of the reactive dye is improved, the method is limited by the variety of the dye, the safety of the solvent and the feasibility of the dyeing process, and cannot be popularized.
Therefore, providing a dyeing method of reactive dyes is one of the problems to be solved in the art.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a dyeing method of reactive dyes, which has the advantages of very low water consumption in the dyeing process and no generation of printing and dyeing wastewater in the production process.
In order to achieve the above object, the present invention provides a dyeing method of a reactive dye, comprising the steps of:
a. pretreatment: pretreating loose fibers, yarns or fabrics;
b. dyeing: b, dyeing the loose fibers, yarns or fabrics treated in the step a by using a water-saving dyeing method by using reactive dyes;
c. and (3) fixation: directly padding the dyed loose fibers, yarns or fabrics into a color fixing solution for color fixing treatment, and then directly baking to finish the dyeing process of the reactive dye;
wherein, in the step b, the structure of the reactive dye at least contains three reactive groups.
Compared with the traditional dyeing process, the reactive dye used in the invention has the advantages that the structure at least contains three reactive groups, so that the fixation rate of the dye is greatly improved; in addition, a water-saving dyeing method is adopted for dyeing during dyeing, the water consumption in the dyeing process is very small, on one hand, the generation of hydrolysis side reaction of the reactive dye can be reduced, the utilization rate of the reactive dye is improved, and on the other hand, the small amount of water can be directly evaporated in the subsequent operation process, so that printing and dyeing wastewater cannot be generated in the dyeing process.
In the above method, preferably, the reactive group in the reactive dye structure includes one or a combination of several of vinylsulfonyl, monochlorotriazinyl, difluoromonochlorotriazinyl and monofluoros-triazinyl, but is not limited thereto, and may also be one or a combination of several of reactive groups conventional in the art.
In the above method, preferably, in step b, the water-saving dyeing method includes the steps of: applying a working solution (the working solution is a solution prepared during dyeing) to loose fibers, yarns or fabrics by using a low liquid carrying rate technology, and then carrying out post-treatment; when the method is adopted to dye the reactive dye, the water consumption is low, and the dyeing effect is good.
In the method, the low liquid carrying rate technology can ensure that the liquid carrying rate on loose fibers, yarns or fabrics is less than or equal to 50 percent; preferably, the low liquid carrying rate technology comprises one or a combination of a plurality of technologies of high-pressure uniform compression roller technology, licking roller technology and foam treatment technology, but is not limited to the technology; the post-treatment includes one or more of cold heaping (the cold heaping refers to heaping at room temperature), steaming and baking, but is not limited to the above.
The foam treatment technology changes a chemical carrying carrier, replaces the original mode of taking water as the carrier with a small part of water and most of air (namely, foam) as the carrier to carry the chemical into the fabric, adopts the foam treatment technology for dyeing, can obviously reduce the liquid carrying rate, and further improves the dyeing effect.
In step a, the pretreatment may be a conventional pretreatment process in the art, and may include desizing, scouring, bleaching, but is not limited thereto.
In the above method, preferably, in the step b, when the reactive dye is dyed by using a water-saving dyeing method, the amount of water is 0.2 to 1.2 times of the weight of the loose fiber, the yarn or the fabric; by adopting the water quantity and the processing method provided by the invention, the generation of the hydrolysis side reaction of the reactive dye can be reduced, and the utilization rate of the dye is improved; in the step c, when the dyed loose fibers, yarns or fabrics are padded with the color fixing solution, the using amount of water is less and is 0.2-1.2 times of the weight of the loose fibers, yarns or fabrics, and the loose fibers, yarns or fabrics are directly dried after being padded with the color fixing solution, so that the water can be directly evaporated, and no wastewater is generated; more preferably, the sum of the amount of water used for dyeing the reactive dye in the step b and the amount of water used for fixing the color in the step c is 0.4-2.4 times of the weight of the loose fiber, the yarn or the fabric; further preferably 0.6 to 1.2 times.
In the above method, preferably, in step b, the dyeing temperature is 0-110 ℃ and the dyeing time is 5min-48 h.
In the above method, preferably, in the step b, when dyeing with the reactive dye is performed, the reactive dye and the basic substance are simultaneously applied to the bulk fiber, the yarn or the fabric in the same bath; alternatively, the reactive dye is applied to the bulk fiber, yarn or fabric separately from the basic substance in separate baths.
In the above method, preferably, when the reactive dye and the basic substance are applied to the bulk fiber, yarn or fabric separately in different baths, the method further comprises applying the reactive dye to the bulk fiber, yarn or fabricAdding salt into the bath containing the alkaline substance; more preferably, the salt is Na2SO4(ii) a Further preferably, the Na is in a volume of the bath in which the alkaline substance is present2SO4The concentration of the (B) is less than or equal to 200 g/L.
In the above method, preferably, the alkaline substance includes soda ash, caustic soda or sodium silicate, but is not limited thereto; more preferably, the concentration of the alkaline substance is 0.5-50g/L calculated by the volume of the bath in which the alkaline substance is positioned, and the concentration of the alkaline substance in the range can prevent the reactive dye from generating hydrolysis side reaction, ensure the reaction between the reactive dye and the cellulose fiber, and further improve the utilization rate and the fixation rate of the reactive dye.
In the step c, the dyed loose fibers, yarns or fabrics are directly padded with the color fixing solution, so that dyeing wastewater is not generated after the operation is finished, the color fastness is excellent, and clean production is realized.
In the above method, preferably, in step c, the composition of the fixing solution includes a fixing agent or a light fastness improving agent, and an acidic substance; more preferably, the acidic substance includes acetic acid, citric acid, phosphoric acid or sodium dihydrogen phosphate, but is not limited thereto.
In step c, fixing agents or light fastness enhancers, which are conventional in the art, may be used in the present invention.
In the above method, preferably, the method further comprises the step of cationically modifying the loose fibers, yarns or fabrics; the cation modification and the pretreatment are carried out simultaneously in the same bath; alternatively, the cationic ion modification and the pretreatment are carried out separately in different baths, and when the cationic ion modification and the pretreatment are carried out separately, the yarn or the fabric is pretreated first and then subjected to the cationic modification.
The invention carries out cation modification on the loose fiber, the yarn or the fabric, can make the loose fiber, the yarn or the fabric carry positive charges, improves the binding force of the reactive dye and the loose fiber, the yarn or the fabric, and further improves the dye uptake of the reactive dye.
In the method, after the step b is finished, the method does not need to carry out water washing operation on the dyed loose fibers, yarns or fabrics; in step c, after the baking is finished, the method does not need to carry out washing operation on loose fibers, yarns or fabrics.
In the traditional dyeing process, after dyeing is finished, in order to obtain the required dyeing wet treatment fastness, water washing is required to remove hydrolytic dyes in the fiber, on the surface of the fiber and in pore network pores among the fibers; in the technical scheme provided by the invention, the fixation rate of the dye on the fiber is high in the dyeing process, so that the dye does not need to be washed after dyeing is finished, and the fixation can be directly carried out, so that the fixation rate of the dye is further improved; compared with the traditional process, the technical scheme provided by the invention does not need to wash loose fibers, yarns or fabrics after dyeing and color fixing, so that the generation of dyeing wastewater in the operation process is further avoided.
In the above method, preferably, the bulk fiber, yarn or fabric contains an ingredient capable of reacting with a reactive dye; more preferably, the loose fiber, yarn or fabric comprises one or more of cotton, viscose, wool, silk and hemp.
In the above method, preferably, the cation modifier comprises a quaternary ammonium salt compound, more preferably one or more of 2, 3-epoxypropyltrimethyl ammonium chloride, 2, 3-epoxypropyltriethyl ammonium chloride, 3-chloro-2-hydroxypropyltrimethyl ammonium chloride, 3-chloro-2-hydroxypropyltriethyl ammonium chloride, a di-reactive cationic modifier and a di-reactive dicationic modifier. The double-reactive-group cationic modifier is the cationic modifier disclosed in CN104086512A (the name of the invention is a double-reactive-group cationic modifier and a preparation method and application thereof, the application number is 201410270387.2, the application date is 2014.06.17), and the double-reactive-group double-cationic modifier is the cationic modifier disclosed in CN104086511A (the name of the invention is a double-reactive-group double-cationic modifier and a preparation method and application thereof, the application number is 201410270386.8, the application date is 2014.06.17), and the whole content of the double-reactive-group cationic modifier is incorporated herein by reference.
The invention has the following beneficial effects:
the technical scheme provided by the invention is simple to operate, good dyeing color fastness can be obtained by using less water in the dyeing process, and the series problems of uneven dyeing, easy scratching on the surface of the fabric and the like in the traditional small bath ratio dyeing process are solved; in addition, water used in the dyeing process can be directly evaporated in the subsequent operation process, and the washing operation is not needed after dyeing and color fixing, so that dyeing wastewater cannot be generated after the operation is finished, and clean production is realized.
Detailed Description
In order to clearly understand the technical features, objects and advantages of the present invention, the following detailed description of the technical solutions of the present invention is provided, but the technical solutions of the present invention are not to be construed as limiting the implementable scope of the present invention.
Example 1
The embodiment provides a dyeing method of reactive dyes, which comprises the following steps:
the method comprises the following steps: carrying out pretreatment including desizing, scouring and bleaching on the pure cotton woven fabric;
step two: padding the pretreated woven fabric into a mixed solution (the content is calculated by the volume of the mixed solution) containing 30g/L of reactive dye (reactive red containing three reactive groups) and 20g/L of soda, piling for 20 hours at room temperature, and then drying at 100 ℃ for 30 s;
step three: padding the dried fabric into a mixed solution containing 5g/L acetic acid and 20g/L color fixing agent (color fixing agent 2518, provided by Guangdong Germany fine chemical Co., Ltd.), and then baking at 150 ℃ for 30 s; a red pure cotton woven fabric with uniform color and according with the national color fastness standard (18401) is obtained.
The red pure cotton woven fabric provided by the embodiment has the advantages of simple processing method, low water consumption (the water consumption added in the second step and the third step is only 1.4 times of the weight of the fabric), and no waste water generation.
Example 2
The embodiment provides a dyeing method of reactive dyes, which comprises the following steps:
the method comprises the following steps: performing pretreatment including desizing, scouring and bleaching on the cotton/hemp woven fabric;
step two: padding the pretreated woven fabric into a mixed solution (the content is calculated by the volume of the mixed solution) containing 20g/L of reactive dye (reactive blue, containing three reactive groups) and 20g/L of soda, piling for 20 hours at room temperature, and then drying at 90 ℃ for 30 s;
step three: padding the dried fabric into a mixed solution containing 5g/L acetic acid and 20g/L color fixing agent (color fixing agent 2518, provided by Guangdong Germany fine chemical Co., Ltd.), and then baking at 150 ℃ for 30 s; a blue cotton/linen woven fabric with uniform color and according with the national color fastness standard (18401) is obtained.
The blue cotton/linen woven fabric provided by the embodiment has the advantages of simple processing method, low water consumption (the water consumption added in the second step and the third step is only 1.2 times of the weight of the fabric), and no waste water.
Example 3
The embodiment provides a dyeing method of reactive dyes, which comprises the following steps:
the method comprises the following steps: padding the desized, scoured and bleached pure cotton woven fabric into a solution containing 50g/L of cationic modifier CR-2000 (provided by Dow chemical) and 12g/L of caustic soda, controlling the liquid carrying rate to be 90%, piling for 24 hours at room temperature, washing by 3 times of warm water at 40 ℃, washing by 0.5g/L of acetic acid solution, drying and rolling to obtain the pretreated woven fabric;
step two: padding the pretreated woven fabric into a mixed solution (the content is calculated by the volume of the mixed solution) containing 25g/L of reactive dye (reactive blue containing three reactive groups) and 15g/L of soda, piling the mixed solution at room temperature for 20 hours, and then drying the mixed solution at 90 ℃ for 30 s;
step three: padding the dried fabric into a solution containing 5g/L acetic acid and 20g/L color fixing agent (color fixing agent 2518, provided by Guangdong Germany fine chemical Co., Ltd.), and then baking at 150 ℃ for 30 s; a blue cotton/viscose woven fabric with uniform color and according with the national color fastness standard (18401) is obtained.
The blue cotton/viscose woven fabric provided by the embodiment has the advantages of simple processing method, low water consumption (the water consumption in the second step and the third step is only 1.2 times of the weight of the fabric), and no waste water generation.
Example 4
The embodiment provides a dyeing method of reactive dyes, which comprises the following steps:
the method comprises the following steps: carrying out pretreatment including desizing, scouring and bleaching on the pure cotton woven fabric;
step two: padding the pretreated woven fabric into a mixed solution (the content is calculated by the volume of the mixed solution) containing 30g/L of reactive dye (reactive yellow containing three reactive groups), 2.5g/L of NaOH and 20g/L of soda, piling for 15 hours at room temperature, and then drying at 100 ℃ for 30 s;
step three: padding the dried fabric into a solution containing 5g/L acetic acid and 20g/L color fixing agent (color fixing agent 2518, provided by Guangdong Germany fine chemical Co., Ltd.), and then baking at 150 ℃ for 30 s; obtaining yellow pure cotton woven fabric which has uniform color and accords with the national color fastness standard (18401);
wherein, in the second step, the reactive dye and the alkaline substance can be separately padded on the woven fabric.
The yellow pure cotton woven fabric provided by the embodiment has the advantages of simple processing method, low water consumption (the water consumption added in the second step and the third step is only 1.4 times of the weight of the fabric), and no waste water generation.
Example 5
The embodiment provides a dyeing method of reactive dyes, which comprises the following steps:
the method comprises the following steps: padding a pure cotton knitted fabric into a mixed solution containing 50g/L of cation modifier CR-2000 (provided by Dow chemical) and 12g/L of caustic soda, controlling the liquid carrying rate to be 90%, piling the pure cotton knitted fabric in a solution containing 25g/L of refining agent Noveco (provided by Toona trade (Shanghai) Co., Ltd.) and 30g/L of hydrogen peroxide (the mass percentage concentration of hydrogen peroxide is 27.5%) at room temperature for 24 hours, washing the pure cotton knitted fabric with 2 times of warm water at 80 ℃, washing the pure cotton knitted fabric with 1 time of warm water at 40 ℃, washing the pure cotton knitted fabric with 1 time of 0.5g/L of acetic acid solution, drying and rolling the pure cotton knitted fabric to obtain a pretreated knitted fabric;
step two: padding the pretreated knitted fabric into a mixed solution (the content is calculated by the volume of the mixed solution) containing 30g/L of reactive dye (reactive orange containing three reactive groups), 1g/LNaOH and 20g/L of soda, piling for 24 hours at room temperature, and then drying at 100 ℃ for 30 s;
step three: padding the dried fabric into a solution containing 5g/L acetic acid and 40g/L color fixing agent (color fixing agent 2518, provided by Guangdong Germany fine chemical Co., Ltd.), and then baking at 150 ℃ for 30 s; the orange pure cotton knitted fabric which is uniform in color and meets the national color fastness standard (18401) is obtained.
The orange pure cotton knitted fabric provided by the embodiment has the advantages of simple processing method, low water consumption (the water consumption added in the second step and the third step is only 1.2 times of the weight of the fabric), and no waste water generation.
Example 6
The embodiment provides a dyeing method of reactive dyes, which comprises the following steps:
the method comprises the following steps: cold pad batch pretreatment and water washing are carried out on the cotton web subjected to cotton opening, cotton picking and cotton carding;
step two: padding the pretreated loose fibers into a mixed solution (the content is calculated by the volume of the mixed solution) containing 50g/L of reactive dye of reactive orange (containing three reactive groups), 5g/LNaOH and 20g/L of soda, piling for 24 hours at room temperature, and then drying at 100 ℃ for 30 s;
step three: padding the dried fabric into a solution containing 5g/L acetic acid and 40g/L color fixing agent (color fixing agent 2518, provided by Guangdong Germany fine chemical Co., Ltd.), and then baking at 150 ℃ for 30 s; orange pure cotton loose fibers which are uniform in color and meet the national color fastness standard (18401) are obtained.
The orange pure cotton loose fiber provided by the embodiment has the advantages of simple processing method, small water consumption (the water consumption added in the second step and the third step is only 1.1 times of the weight of the fabric), and no waste water generation.
Example 7
The embodiment provides a dyeing method of reactive dyes, which comprises the following steps:
the method comprises the following steps: warping the yarn to make a piece of yarn and carrying out pretreatment;
step two: padding the pretreated sheet yarn into a mixed solution (the content is calculated by the volume of the mixed solution) containing 50g/L of reactive red reactive dye (containing three reactive groups), 5g/LNaOH and 20g/L of soda, piling for 24 hours at room temperature, and then drying at 100 ℃ for 30 s;
step three: padding the dried fabric into a solution containing 5g/L acetic acid and 30g/L color fixing agent (color fixing agent 2518, provided by Guangdong Germany fine chemical Co., Ltd.), and then baking at 150 ℃ for 30 s; a red pure cotton yarn was obtained which was uniform in colour and which met the national colour fastness standard (18401).
The red pure cotton yarn provided by the embodiment has the advantages of simple processing method, low water consumption (the water consumption in the second step and the third step is only 1.6 times of the weight of the fabric), and no waste water.
Example 8
The embodiment provides a dyeing method of reactive dyes, which comprises the following steps:
the method comprises the following steps: preprocessing the woven fabric;
step two: padding the pretreated woven fabric into a mixed solution (the content is calculated by the volume of the mixed solution) containing 25g/L of reactive red reactive dye (containing three reactive groups), 5g/LNaOH and 20g/L of soda, controlling the liquid carrying rate to be 50%, steaming at 105 ℃ for 10min, and then drying at 140 ℃ for 30 s;
step three: padding the dried fabric into a solution containing 5g/L acetic acid and 30g/L color fixing agent (color fixing agent 2518, provided by Guangdong Germany fine chemical Co., Ltd.), and then baking at 150 ℃ for 30 s; a red pure cotton woven fabric with uniform color and according with the national color fastness standard (18401) is obtained.
The red pure cotton woven fabric provided by the embodiment has the advantages of simple processing method, low water consumption (the water consumption added in the second step and the third step is only 1.2 times of the weight of the fabric), and no waste water generation.
Example 9
The embodiment provides a dyeing method of reactive dyes, which comprises the following steps:
the method comprises the following steps: preprocessing the woven fabric;
step two: applying a mixed solution (the content is calculated by the volume of the mixed solution) containing 25g/L of reactive dye (reactive red containing three active groups), 5g/L of NaOH and 20g/L of soda by using a licking roller (Kiss-roller), controlling the liquid carrying rate to be 35%, steaming at 105 ℃ for 9min, and then drying at 140 ℃ for 30 s;
step three: padding the dried fabric into a solution containing 4g/L acetic acid and 30g/L color fixing agent (color fixing agent 2518, provided by Guangdong Germany fine chemical Co., Ltd.), and then baking at 150 ℃ for 30 s; a red pure cotton woven fabric with uniform color and according with the national color fastness standard (18401) is obtained.
The red pure cotton woven fabric provided by the embodiment has the advantages of simple processing method, low water consumption (the water consumption added in the second step and the third step is only 1 time of the weight of the fabric), and no waste water generation.
Example 10
The embodiment provides a dyeing method of reactive dyes, which comprises the following steps:
the method comprises the following steps: preprocessing the woven fabric;
step two: applying a mixed solution (the content is calculated by the volume of the mixed solution) containing 25g/L of reactive dye (reactive red containing three reactive groups), 20g/L of soda ash and 70g/L of Genagen CAB (provided by Archroma corporation) to the pretreated woven fabric in a foam treatment mode, controlling the liquid carrying rate to be 35 percent, steaming at 105 ℃ for 9min, and then drying at 140 ℃ for 30 s;
step three: padding the dried fabric into a solution containing 4g/L acetic acid and 30g/L color fixing agent (color fixing agent 2518, provided by Guangdong Germany fine chemical Co., Ltd.), and then baking at 150 ℃ for 30 s; a red pure cotton woven fabric with uniform color and according with the national color fastness standard (18401) is obtained.
The red pure cotton woven fabric provided by the embodiment has the advantages of simple processing method, low water consumption (the water consumption added in the second step and the third step is only 1 time of the weight of the fabric), and no waste water generation.
The reactive dyes used in embodiments 1 to 10 of the present application each have a chemical structure containing three reactive groups, and the reactive groups are conventional reactive dye reactive groups, and may be one or a combination of several of vinylsulfonyl, monofluoros-triazinyl, difluoromonochlorotriazinyl, and monochlorotriazinyl.
Claims (16)
1. A method of dyeing with a reactive dye, the method comprising the steps of:
a. pretreatment: pretreating loose fibers, yarns or fabrics;
b. dyeing: b, dyeing the loose fibers, yarns or fabrics treated in the step a by using a water-saving dyeing method by using reactive dyes, and performing post-treatment after dyeing is finished, wherein the post-treatment comprises one or a combination of more of cold piling, steaming and baking;
c. and (3) fixation: directly padding the dyed loose fibers, yarns or fabrics into a color fixing solution for color fixing treatment, and then directly baking to finish the dyeing process of the reactive dye; wherein,
in the step b, when the reactive dye is used for dyeing, the using amount of water is 0.2-1.2 times of the weight of loose fibers, yarns or fabrics, the structure of the reactive dye at least comprises three active groups, and the active groups comprise one or a combination of more of vinyl sulfone group, monochlorotriazine group, difluoromonochlorotriazine group and monofluorotriazine group;
when the reactive dye is used for dyeing, the reactive dye and the alkaline substance are simultaneously applied to the bulk fiber, the yarn or the fabric in the same bath, or the reactive dye and the alkaline substance are separately applied to the bulk fiber, the yarn or the fabric in different baths; the concentration of the alkaline substance is 0.5-50g/L calculated by the volume of the bath in which the alkaline substance is arranged;
in the step c, when the dyed loose fibers, yarns or fabrics are directly padded with the color fixing solution for color fixing treatment, the using amount of water is 0.2-1.2 times of the weight of the loose fibers, yarns or fabrics.
2. The method of claim 1, wherein: the water-saving dyeing method comprises the following steps:
the working fluid is applied to the bulk fiber, yarn or fabric using a low wet pick technique, followed by post-treatment.
3. The method of claim 2, wherein: the low liquid carrying rate technology comprises one or more of a high-pressure uniform compression roller technology, a licking roller technology and a foam treatment technology.
4. The method of any one of claims 1-3, wherein: the sum of the amount of water used for dyeing by the reactive dye in the step b and the amount of water used for fixing in the step c is 0.4-2.4 times of the weight of the loose fiber, the yarn or the fabric.
5. The method of claim 4, wherein; the sum of the amount of water used for dyeing by the reactive dye in the step b and the amount of water used for fixing in the step c is 0.6-1.2 times of the weight of the loose fiber, the yarn or the fabric.
6. The method of any one of claims 1-3, wherein: in the step b, when the reactive dye is used for dyeing, the dyeing temperature is 0-110 ℃, and the dyeing time is 5min-48 h.
7. The method of claim 4, wherein: in the step b, when the reactive dye is used for dyeing, the dyeing temperature is 0-110 ℃, and the dyeing time is 5min-48 h.
8. The method of any one of claims 1-3, wherein: in step b, the reactive dye dyeing is carried out when the reactive dye is applied to the bulk fiber, yarn or fabric separately from the basic substance in separate baths, the method further comprising the step of adding a salt to the bath in which the basic substance is present.
9. The method of claim 8, wherein: the salt is Na2SO4。
10. The method of claim 9, wherein: based on the volume of the bath in which the alkaline substance is placed, the Na2SO4The concentration of the (B) is less than or equal to 200 g/L.
11. The method of claim 1, wherein: the alkaline substance comprises soda ash, caustic soda or sodium silicate.
12. The method of claim 1, wherein: in step c, the composition of the color fixing solution comprises a color fixing agent or a light fastness improving agent and an acidic substance.
13. The method of claim 12, wherein: the acidic substance comprises acetic acid, citric acid, phosphoric acid or sodium dihydrogen phosphate.
14. The method of any one of claims 1-3, wherein: the method further comprises the step of cationically modifying the bulk fiber, yarn or fabric;
the cation modification and the pretreatment are carried out simultaneously in the same bath; or,
the cation ion modification and the pretreatment are carried out in different baths separately, and when the cation ion modification and the pretreatment are carried out separately, the yarn or the fabric is pretreated firstly, and then the cation modification is carried out.
15. The method of any one of claims 1-3, wherein: the bulk fibre, yarn or fabric contains an ingredient capable of reacting with a reactive dye.
16. The method of any one of claims 1-3, wherein: the loose fiber, yarn or fabric comprises one or more of cotton, viscose, wool, silk and hemp.
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| CN105672003A (en) * | 2016-04-18 | 2016-06-15 | 金华知产婺源信息技术有限公司 | Dyeing method of cationic modified cellulose fiber fabric |
| CN105735013B (en) * | 2016-05-11 | 2018-01-02 | 武汉纺织大学 | A kind of method for improving textile light fastness |
| CN105862463B (en) * | 2016-05-14 | 2017-09-22 | 山东黄河三角洲纺织科技研究院有限公司 | A kind of method of resist printing reactive turquoise blue |
| CN106930118B (en) * | 2017-03-15 | 2019-06-18 | 广东溢达纺织有限公司 | A kind of printing with reactive dye method of no dyeing waste water |
| CN107237188A (en) * | 2017-07-25 | 2017-10-10 | 安徽亚源印染有限公司 | A kind of colouring method of flax fiber |
| CN109594368B (en) * | 2018-11-08 | 2022-01-07 | 上海大学 | Method for continuous cationic modification and reactive dye dyeing of fabric |
| CN109811560B (en) * | 2019-01-26 | 2022-06-03 | 桐乡市钜汪家纺有限公司 | Production process of colorful silk floss |
| CN110004741A (en) * | 2019-03-20 | 2019-07-12 | 盐城工业职业技术学院 | A kind of staple in bulk foam dyeing method |
| CN112301763B (en) * | 2019-07-23 | 2024-03-19 | 广东溢达纺织有限公司 | Pure cotton fabric and dyeing method thereof |
| CN110952348A (en) * | 2019-12-05 | 2020-04-03 | 鲁丰织染有限公司 | Processing method for improving dyeing depth of cation modified piece-dyed fabric |
| CN112482054B (en) * | 2020-12-15 | 2022-08-16 | 浙江灏宇科技有限公司 | Processing method for dyeing by using dyeing residual liquid of reactive dye |
| CN112647320B (en) * | 2020-12-17 | 2022-04-19 | 长胜纺织科技发展(上海)有限公司 | Reactive dye transfer dyeing method for denim |
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| CN100540781C (en) * | 2007-03-07 | 2009-09-16 | 愉悦家纺有限公司 | A kind of cold-rolling heap staining method of textile fabric |
| CN102650097B (en) * | 2011-02-28 | 2014-05-28 | 上海辉誉化工有限公司 | Foam spraying dyeing method adopting reactive dyes |
| CN104086512B (en) * | 2014-06-17 | 2017-02-15 | 广东溢达纺织有限公司 | Double-reaction-active-group cationic modifier, and preparation method and application thereof |
| CN104562801A (en) * | 2014-12-23 | 2015-04-29 | 华纺股份有限公司 | Foaming manner-based low liquid carrying rate and short flow type salt-free dyeing method for textile |
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