CN105133390A - Novel dyeing method of reactive dyes - Google Patents
Novel dyeing method of reactive dyes Download PDFInfo
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- CN105133390A CN105133390A CN201510671418.XA CN201510671418A CN105133390A CN 105133390 A CN105133390 A CN 105133390A CN 201510671418 A CN201510671418 A CN 201510671418A CN 105133390 A CN105133390 A CN 105133390A
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Abstract
The invention provides a novel 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 present invention relates to a kind of new dyeing method of REACTIVE DYES, belong to textile dyeing and finishing field.
Background technology
In the traditional cotton textile dyeing system taking water as medium, can there is hydrolytic side reactions when alkaline fixation in REACTIVE DYES, thus lose, with cellulose fibre, covalently bound ability occurs, and greatly reduces the utilization rate of REACTIVE DYES; Meanwhile, in order to obtain required dyeing wet colour fastness after dyeing terminates, the hydrolised dye be distributed between fibrous inside, fiber surface and fiber in capillary network duct must be removed by washing fully, thus, in traditional dyeing process, the degree of fixation of REACTIVE DYES is not high (being about 40-85%).
In addition, greatly, in dyeing course, sewage discharge is many for traditional dyeing process water consumption and energy consumption; Although use short liquor ratio on the books dyes in prior art, but it fails to widely use in this area, mainly because short liquor dyeing easily affects by dye solubility, device-specific, uniform dyeing property and fabric face are easily abrasive, satisfied effect can not be obtained.
Although prior art utilizes pure organic solvent to carry out dyeing and improve the utilization rate of REACTIVE DYES, the method receives the restriction of dye species, solvent security and dyeing feasibility, also fails to popularize.
Therefore, a kind of new dyeing method of REACTIVE DYES is provided to become one of this area problem demanding prompt solution.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of new dyeing method of REACTIVE DYES, the water consumption of the method in dyeing course is considerably less, does not produce dyeing waste water in process of production.
For achieving the above object, the invention provides a kind of new dyeing method of REACTIVE DYES, the method comprises the following steps:
A, pre-treatment: pre-treatment is carried out to bulk fibre, yarn or fabric;
B, dyeing: adopt water saving colouring method to carry out reactive dyeing to the bulk fibre after step a process, yarn or fabric;
C, fixation: bulk fibre, yarn or the fabric after dyeing is directly padded fixation liquid and carries out fixation treatment, then directly bake, complete the dyeing course of REACTIVE DYES;
Wherein, in stepb, at least containing three active groups in the structure of described REACTIVE DYES.
Compared with traditional dyeing process, the REACTIVE DYES that the present invention uses, owing at least containing three active groups in its structure, significantly improves the degree of fixation of dyestuff; In addition, adopt water saving colouring method to dye when dyeing, in dyeing course, water consumption is considerably less, the generation of hydrolysis of reactive dye side reaction can be reduced on the one hand, improve the utilization rate of REACTIVE DYES, these a small amount of water can directly be evaporated in follow-up operating process on the other hand, thus in dyeing course, can not produce dyeing waste water.
In the above-mentioned methods, preferably, active group in described REACTIVE DYES structure comprises the combination of one or more in ethene sulfuryl, a chloro-s-triazine base, difluoro one chlorine pyrimidine radicals, a fluorine cyanuro, but being not limited thereto, can also be the combination of one or more in the active group of routine in this area.
In the above-mentioned methods, preferably, in stepb, described water saving colouring method comprises the following steps: utilize low liquid carrying rate technology to be applied on bulk fibre, yarn or fabric by working solution (solution of preparation when described working solution is dyeing), carry out post processing afterwards; Adopt when carrying out reactive dyeing in this way, water consumption is few, and Color is good.
In the above-mentioned methods, described low liquid carrying rate technology can make liquid carrying rate≤50% on bulk fibre, yarn or fabric; Preferably, described low liquid carrying rate technology comprises high-pressure uniform compacting roller technology, licks roller compacting roller technology, the combination of one or more in foam treatment technology, but is not limited thereto; Described post processing comprise cold dome (described cold dome refers to and at room temperature banks up), decatize, bake in the combination of one or more, but to be not limited thereto.
Foam treatment technology of the present invention, that has changed chemicals carries carrier, fraction water is replaced to as the mode of carrier and most of air (that is: foam) enters fabric as carrier to carry chemicals by original water, foam treatment technology is adopted to dye, significantly can reduce liquid carrying rate, improve Color further.
In step a, described pre-treatment can be the conventional pre-treatment process in this area, can comprise destarch, kiering, bleaching, but be not limited thereto.
In the above-mentioned methods, preferably, in stepb, when adopting water saving colouring method to carry out reactive dyeing, the consumption of water is 0.2-1.2 times of bulk fibre, yarn or fabric weight; Adopt this water consumption provided by the invention and processing method, the generation of hydrolysis of reactive dye side reaction can be reduced, improve the utilization rate of dyestuff; In step c, by dyeing after bulk fibre, yarn or textile pad fixation liquid time, the consumption of water is also less, for 0.2-1.2 times of bulk fibre, yarn or fabric weight, and directly dry after padding fixation liquid, these water can directly be evaporated, and do not produce waste water; More preferably, when carrying out in step b carrying out fixation treatment in the consumption of water during reactive dyeing and step c the consumption sum of water be the 0.4-2.4 of bulk fibre, yarn or fabric weight doubly; More preferably 0.6-1.2 doubly.
In the above-mentioned methods, preferably, in stepb, described dyeing temperature is 0-110 DEG C, and dyeing time is 5min-48h.
In the above-mentioned methods, preferably, in stepb, when carrying out reactive dyeing, described REACTIVE DYES and alkaline matter are applied on bulk fibre, yarn or fabric in same bath simultaneously; Or described REACTIVE DYES and alkaline matter separate and are applied on bulk fibre, yarn or fabric in different bath.
In the above-mentioned methods, preferably, when REACTIVE DYES and alkaline matter separate in different bath be applied on bulk fibre, yarn or fabric time, the method also comprises and add the step of salt in the bath of alkaline matter place; More preferably, described salt is Na
2sO
4; Further preferably, with the stereometer of alkaline matter place bath, described Na
2sO
4concentration≤200g/L.
In the above-mentioned methods, preferably, described alkaline matter comprises soda ash, caustic soda or sodium metasilicate, but is not limited thereto; More preferably, with the stereometer of alkaline matter place bath, the concentration of described alkaline matter is 0.5-50g/L, the concentration of alkaline matter can prevent REACTIVE DYES generation hydrolytic side reactions within the scope of this, and ensure to react between REACTIVE DYES and cellulose fibre, improve utilization rate and the degree of fixation of REACTIVE DYES further.
In step c, bulk fibre, yarn or fabric after dyeing are directly padded fixation liquid, can not dyeing waste-water be produced and COLOR FASTNESS is excellent after operation terminates, achieve cleanly production.
In the above-mentioned methods, preferably, in step c, the composition of described fixation liquid comprises color-fixing agent or light fastness elevator, and acidic materials; More preferably, described acidic materials comprise acetic acid, citric acid, phosphoric acid or sodium dihydrogen phosphate, but are not limited thereto.
In step c, color-fixing agent or the light fastness elevator of this area routine all can be used for the present invention.
In the above-mentioned methods, preferably, the method also comprises and carries out cation-modified step to bulk fibre, yarn or fabric; Described cation-modified and described pre-treatment is carried out in same bath simultaneously; Or described cationic ion modification and described pre-treatment separate in different bath to be carried out, and when separately carrying out, first carrying out pre-treatment to yarn or fabric, then carrying out cation-modified.
The present invention carries out cation-modified to bulk fibre, yarn or fabric, can make positive charge on bulk fibre, yarn or webbing, improves the adhesion of REACTIVE DYES and bulk fibre, yarn or fabric, and then improves the dye-uptake of REACTIVE DYES.
In the above-mentioned methods, after step b terminates, the method is without the need to carrying out water washing operations to bulk fibre, yarn or the fabric after dyeing; In step c, after baking end, the method is without the need to carrying out water washing operations to bulk fibre, yarn or fabric.
Traditional dyeing process, after dyeing terminates, for obtaining required dyeing wet colour fastness, must carry out washing to remove the hydrolised dye between fibrous inside, fiber surface and fiber in pore network duct; And technical scheme provided by the invention due to the degree of fixation of dyestuff in dyeing course on fiber high, thus dyeing terminate after without the need to washing, directly can carry out fixation, to improve the degree of fixation of dyestuff further; Compared with traditional handicraft, because technical scheme provided by the invention all without the need to washing bulk fibre, yarn or fabric, thus further avoid the generation of dyeing waste-water in operating process in dyeing, fixation after terminating.
In the above-mentioned methods, preferably, described bulk fibre, yarn or fabric contain the composition that can react with REACTIVE DYES; More preferably, the composition of described bulk fibre, yarn or fabric comprises the combination of one or more in cotton, viscose glue, hair, silk, fiber crops.
In the methods described above, preferably, described cation modifier comprises quaternary ammonium compound, be more preferably 2, the combination of one or more in 3-epoxypropyltrimethylchloride chloride, 2,3-Epoxypropyl triethyl ammonium chlorides, 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride, 3-chloro-2-hydroxypropyl triethyl ammonium chloride, double reaction active base cation modifier, double reaction active base dication base cation modifier.Above-mentioned double reaction active base cation modifier is that (denomination of invention is a kind of double reaction active base cation modifier and preparation method thereof and application to CN104086512A, application number is 201410270387.2, the applying date is 2014.06.17) disclosed in cation modifier, double reaction active base dication base cation modifier is that (denomination of invention is double reaction active base dication base cation modifier and preparation method thereof and application to CN104086511A, application number is 201410270386.8, the applying date is 2014.06.17) disclosed in cation modifier, it is introduced here as a reference in full.
The present invention has following beneficial effect:
Technical scheme provided by the invention is simple to operate, uses less water just can obtain the COLOR FASTNESS that well dyes in dyeing course, overcomes in traditional short liquor dyeing process the uneven and fabric face of dyeing and the series of problems such as easily to abrade; In addition, because the water used in dyeing course can directly be evaporated in subsequent operation process, and dyeing and fixation after without the need to water washing operations, therefore operation terminate after can not produce dyeing waste-water, achieve cleanly production.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and beneficial effect, the existing technical scheme to invention carries out following detailed description, but can not be interpreted as to invention can the restriction of practical range.
Embodiment 1
Present embodiments provide a kind of new dyeing method of REACTIVE DYES, the method comprises the following steps:
Step one: pre-treatment pure-cotton woven fabric being comprised to destarch, kiering, bleaching;
Step 2: the above-mentioned Woven Fabrics through pre-treatment is padded and comprises 30g/L REACTIVE DYES (active red, containing three active groups) and the mixed solution (content is with the stereometer of mixed solution) of 20g/L soda ash, at room temperature bank up 20 hours, then dry in 100 DEG C, drying time is 30s;
Step 3: the mixed solution above-mentioned textile pad through drying being comprised 5g/L acetic acid and 20g/L color-fixing agent (color-fixing agent 2518, is provided by Guangdong Demei Fine Chemical Co., Ltd.), then bakes 30s in 150 DEG C; Obtain color evenly and meet the red pure-cotton woven fabric of national COLOR FASTNESS standard (18401).
The red pure-cotton woven fabric provided by the present embodiment, processing method is simple, water consumption few (step 2 and the step 3 water consumption of adding up is only 1.4 times of fabric weight), and produces without waste water.
Embodiment 2
Present embodiments provide a kind of new dyeing method of REACTIVE DYES, the method comprises the following steps:
Step one: pre-treatment cotton/numb Woven Fabrics being comprised to destarch, kiering, bleaching;
Step 2: the above-mentioned Woven Fabrics through pre-treatment is padded and comprises 20g/L REACTIVE DYES (reactive blue, containing three active groups) and the mixed solution (content is with the stereometer of mixed solution) of 20g/L soda ash, at room temperature bank up 20 hours, then dry in 90 DEG C, drying time is 30s;
Step 3: the mixed solution above-mentioned textile pad through drying being comprised 5g/L acetic acid and 20g/L color-fixing agent (color-fixing agent 2518, is provided by Guangdong Demei Fine Chemical Co., Ltd.), then bakes 30s in 150 DEG C; Obtain color evenly and meet the blueness cotton/numb Woven Fabrics of national COLOR FASTNESS standard (18401).
Blueness cotton/numb the Woven Fabrics provided by the present embodiment, processing method is simple, water consumption few (step 2 and the step 3 water consumption of adding up is only 1.2 times of fabric weight), and produces without waste water.
Embodiment 3
Present embodiments provide a kind of new dyeing method of REACTIVE DYES, the method comprises the following steps:
Step one: by the textile woven through destarch, kiering, bleaching, after padding the solution containing 50g/L cation modifier CR-2000 (being provided by DOW Chemical) and 12g/L caustic soda, controlling liquid carrying rate is 90%, at room temperature bank up 24 hours, after warm water washing through 40 DEG C, 3 road, acetum again through 0.5g/L washs, and dries clot, obtains pretreated woven;
Step 2: above-mentioned to pad through pretreated Woven Fabrics is comprised 25g/L REACTIVE DYES (reactive blue, containing three active groups) and 15g/L soda ash mixed solution (content is with the stereometer of mixed solution) after, at room temperature bank up 20 hours, then dry in 90 DEG C, drying time is 30s;
Step 3: the solution above-mentioned textile pad through drying being comprised 5g/L acetic acid and 20g/L color-fixing agent (color-fixing agent 2518, is provided by Guangdong Demei Fine Chemical Co., Ltd.), then bakes 30s in 150 DEG C; Obtain color evenly and meet the blueness cotton/viscose glue Woven Fabrics of national COLOR FASTNESS standard (18401).
Blueness cotton/viscose glue the Woven Fabrics provided by the present embodiment, processing method is simple, water consumption few (step 2 and the step 3 water consumption of adding up is only 1.2 times of fabric weight), and produces without waste water.
Embodiment 4
Present embodiments provide a kind of new dyeing method of REACTIVE DYES, the method comprises the following steps:
Step one: pre-treatment pure-cotton woven fabric being comprised to destarch, kiering, bleaching;
Step 2: the above-mentioned Woven Fabrics through pre-treatment is padded and comprises 30g/L REACTIVE DYES (active yellow, containing three active groups), the mixed solution (content is with the stereometer of mixed solution) of 2.5g/LNaOH and 20g/L soda ash, at room temperature bank up 15 hours, then dry in 100 DEG C, drying time is 30s;
Step 3: the solution above-mentioned textile pad through drying being comprised 5g/L acetic acid and 20g/L color-fixing agent (color-fixing agent 2518, is provided by Guangdong Demei Fine Chemical Co., Ltd.), then bakes 30s in 150 DEG C; Obtain color evenly and meet the yellow pure-cotton woven fabric of national COLOR FASTNESS standard (18401);
Wherein, in step 2, REACTIVE DYES and alkaline matter can separately pad on Woven Fabrics.
The yellow pure-cotton woven fabric provided by the present embodiment, processing method is simple, water consumption few (step 2 and the step 3 water consumption of adding up is only 1.4 times of fabric weight), and produces without waste water.
Embodiment 5
Present embodiments provide a kind of new dyeing method of REACTIVE DYES, the method comprises the following steps:
Step one: by pure cotton knitted fabric, pad the mixed solution that 50g/L cation modifier CR-2000 (being provided by DOW Chemical) and 12g/L caustic soda are provided, controlling liquid carrying rate is 90%, in the solution containing 25g/L refining agent Noveco ((Shanghai) Co., Ltd. provides by Tuo Na trade) and 30g/L hydrogen peroxide (hydrogen peroxide mass percentage concentration is 27.5%), at room temperature bank up 24 hours, after the warm water washing of 80 DEG C, 2 road, 1 40 DEG C, road warm water washing, acetum after 1 road 0.5g/L washs, dry clot, obtain pretreated knitted fabric;
Step 2: above-mentioned to pad through pretreated knitted cloth is comprised 30g/L REACTIVE DYES (reactive orange, containing three active groups), the mixed solution (content is with the stereometer of mixed solution) of 1g/LNaOH and 20g/L soda ash, at room temperature bank up 24 hours, then dry in 100 DEG C, drying time is 30s;
Step 3: the solution above-mentioned textile pad through drying being contained 5g/L acetic acid and 40g/L color-fixing agent (color-fixing agent 2518, is provided by Guangdong Demei Fine Chemical Co., Ltd.), then bakes 30s in 150 DEG C; Obtain color evenly and meet the orange pure cotton knitting cloth of national COLOR FASTNESS standard (18401).
The orange pure cotton knitting cloth provided by the present embodiment, processing method is simple, water consumption few (step 2 and the step 3 water consumption of adding up is only 1.2 times of fabric weight), and produces without waste water.
Embodiment 6
Present embodiments provide a kind of new dyeing method of REACTIVE DYES, the method comprises the following steps:
Step one: the web through opener, scutching cotton, comb and parallel cotton fibers prior to spinning is carried out cold-pad-batch preparation and washing;
Step 2: the above-mentioned bulk fibre through pre-treatment is padded comprise 50g/L reactive orange (containing three active groups) REACTIVE DYES, 5g/LNaOH and 20g/L soda ash mixed solution (content is with the stereometer of mixed solution), at room temperature bank up 24 hours, then dry in 100 DEG C, drying time is 30s;
Step 3: the solution above-mentioned textile pad through drying being comprised 5g/L acetic acid and 40g/L color-fixing agent (color-fixing agent 2518, is provided by Guangdong Demei Fine Chemical Co., Ltd.), then bakes 30s in 150 DEG C; Obtain color evenly and meet the cotton bulk fibre of orange cotton textiles of national COLOR FASTNESS standard (18401).
The cotton bulk fibre of orange cotton textiles provided by the present embodiment, processing method is simple, water consumption few (step 2 and the step 3 water consumption of adding up is only 1.1 times of fabric weight), and produces without waste water.
Embodiment 7
Present embodiments provide a kind of new dyeing method of REACTIVE DYES, the method comprises the following steps:
Step one: yarn warping is done slice yarn and carries out pre-treatment;
Step 2: the above-mentioned sheet yarn through pre-treatment is padded comprise 50g/L active red REACTIVE DYES (containing three active groups), 5g/LNaOH and 20g/L soda ash mixed solution (content is with the stereometer of mixed solution), at room temperature bank up 24 hours, then dry in 100 DEG C, drying time is 30s;
Step 3: the solution above-mentioned textile pad through drying being comprised 5g/L acetic acid and 30g/L color-fixing agent (color-fixing agent 2518, is provided by Guangdong Demei Fine Chemical Co., Ltd.), then bakes 30s in 150 DEG C; Obtain color evenly and meet the red purified cotton yarns of national COLOR FASTNESS standard (18401).
The textile cotton of the redness that provided by the present embodiment, processing method is simple, water consumption few (step 2 and the step 3 water consumption of adding up is only 1.6 times of fabric weight), and produces without waste water.
Embodiment 8
Present embodiments provide a kind of new dyeing method of REACTIVE DYES, the method comprises the following steps:
Step one: Woven Fabrics is carried out pre-treatment;
Step 2: the above-mentioned Woven Fabrics through pre-treatment is padded comprise 25g/L active red REACTIVE DYES (containing three active groups), 5g/LNaOH and 20g/L soda ash mixed solution (content is with the stereometer of mixed solution), controlling liquid carrying rate is 50%, at 105 DEG C of decatize 10min, then dry in 140 DEG C, drying time is 30s;
Step 3: the solution above-mentioned textile pad through drying being comprised 5g/L acetic acid and 30g/L color-fixing agent (color-fixing agent 2518, is provided by Guangdong Demei Fine Chemical Co., Ltd.), then bakes 30s in 150 DEG C; Obtain color evenly and meet the red pure-cotton woven fabric of national COLOR FASTNESS standard (18401).
The red pure-cotton woven fabric provided by the present embodiment, processing method is simple, water consumption few (step 2 and the step 3 water consumption of adding up is only 1.2 times of fabric weight), and produces without waste water.
Embodiment 9
Present embodiments provide a kind of new dyeing method of REACTIVE DYES, the method comprises the following steps:
Step one: Woven Fabrics is carried out pre-treatment;
Step 2: the above-mentioned Woven Fabrics through pre-treatment is licked roll-in roller (Kiss-roller) by employing and applies to comprise 25g/L REACTIVE DYES (active red, containing three active groups), the mixed solution (content is with the stereometer of mixed solution) of 5g/LNaOH and 20g/L soda ash, controlling liquid carrying rate is 35%, at 105 DEG C of decatize 9min, then dry in 140 DEG C, drying time is 30s;
Step 3: the solution above-mentioned textile pad through drying being comprised 4g/L acetic acid and 30g/L color-fixing agent (color-fixing agent 2518, is provided by Guangdong Demei Fine Chemical Co., Ltd.), then bakes 30s in 150 DEG C; Obtain color evenly and meet the red pure-cotton woven fabric of national COLOR FASTNESS standard (18401).
The red pure-cotton woven fabric provided by the present embodiment, processing method is simple, water consumption few (step 2 and the step 3 water consumption of adding up is only 1 times of fabric weight), and produces without waste water.
Embodiment 10
Present embodiments provide a kind of new dyeing method of REACTIVE DYES, the method comprises the following steps:
Step one: Woven Fabrics is carried out pre-treatment;
Step 2: adopt the mode of foam process to apply to comprise 25g/L REACTIVE DYES (active red to the above-mentioned Woven Fabrics through pre-treatment, containing three active groups), the mixed solution (content is with the stereometer of mixed solution) of 20g/L soda ash and 70g/LGenagenCAB (being provided by high height (Archroma) company), controlling liquid carrying rate is 35%, at 105 DEG C of decatize 9min, then dry in 140 DEG C, drying time is 30s;
Step 3: the solution above-mentioned textile pad through drying being comprised 4g/L acetic acid and 30g/L color-fixing agent (color-fixing agent 2518, is provided by Guangdong Demei Fine Chemical Co., Ltd.), then bakes 30s in 150 DEG C; Obtain color evenly and meet the red pure-cotton woven fabric of national COLOR FASTNESS standard (18401).
The red pure-cotton woven fabric provided by the present embodiment, processing method is simple, water consumption few (step 2 and the step 3 water consumption of adding up is only 1 times of fabric weight), and produces without waste water.
The REACTIVE DYES used in the embodiment of the present application 1-10, all containing three active groups in its chemical constitution, this active group is conventional REACTIVE DYES reactive group, can be the combination of one or more in vinyl sulfone(RemzaolHuo Xingranliaohuoxingjituan) base, a fluorine cyanuro, difluoro one chlorine pyrimidine radicals, a chloro-s-triazine base.
Claims (10)
1. a new dyeing method for REACTIVE DYES, the method comprises the following steps:
A, pre-treatment: pre-treatment is carried out to bulk fibre, yarn or fabric;
B, dyeing: adopt water saving colouring method to carry out reactive dyeing to the bulk fibre after step a process, yarn or fabric;
C, fixation: bulk fibre, yarn or the fabric after dyeing is directly padded fixation liquid and carries out fixation treatment, then directly bake, complete the dyeing course of REACTIVE DYES;
Wherein, in stepb, at least containing three active groups in the structure of described REACTIVE DYES.
2. method according to claim 1, wherein: the active group in described REACTIVE DYES structure comprises the combination of one or more in ethene sulfuryl, a chloro-s-triazine base, difluoro one chlorine pyrimidine radicals, a fluorine cyanuro.
3. method according to claim 1, wherein: described water saving colouring method comprises the following steps:
Utilize low liquid carrying rate technology to be applied to by working solution on bulk fibre, yarn or fabric, carry out post processing afterwards;
Preferably, described low liquid carrying rate technology comprise high-pressure uniform compacting roller technology, lick roller compacting roller technology, the combination of one or more in foam treatment technology;
Described post processing comprise cold dome, decatize, bake in the combination of one or more.
4. the method according to claim 1 or 3, wherein:
In stepb, when adopting water saving colouring method to carry out reactive dyeing, the consumption of water is 0.2-1.2 times of bulk fibre, yarn or fabric weight;
In step c, bulk fibre, yarn or the fabric after dyeing is directly padded fixation liquid when carrying out fixation treatment, the consumption of water be the 0.2-1.2 of bulk fibre, yarn or fabric weight doubly;
Preferably, when carrying out in step b carrying out fixation treatment in the consumption of water during reactive dyeing and step c the consumption sum of water be the 0.4-2.4 of bulk fibre, yarn or fabric weight doubly; Be more preferably 0.6-1.2 doubly.
5. the method according to claim 1,3 or 4, wherein: in stepb, when carrying out reactive dyeing, dyeing temperature is 0-110 DEG C, and dyeing time is 5min-48h.
6. the method according to claim 1,3,4 or 5, wherein: in stepb, when carrying out reactive dyeing, described REACTIVE DYES and alkaline matter are applied on bulk fibre, yarn or fabric in same bath simultaneously; Or described REACTIVE DYES and alkaline matter separate and are applied on bulk fibre, yarn or fabric in different bath;
Preferably, when REACTIVE DYES and alkaline matter separate in different bath be applied on bulk fibre, yarn or fabric time, the method also comprises and add the step of salt in the bath of alkaline matter place;
More preferably, described salt is Na
2sO
4;
Further preferably, with the stereometer of alkaline matter place bath, described Na
2sO
4concentration≤200g/L.
7. method according to claim 6, wherein: described alkaline matter comprises soda ash, caustic soda or sodium metasilicate;
Preferably, with the stereometer of alkaline matter place bath, the concentration of described alkaline matter is 0.5-50g/L.
8. method according to claim 1, wherein: in step c, the composition of described fixation liquid comprises color-fixing agent or light fastness elevator, and acidic materials;
Preferably, described acidic materials comprise acetic acid, citric acid, phosphoric acid or sodium dihydrogen phosphate.
9. the method according to any one of claim 1-8, wherein: the method also comprises carries out cation-modified step to bulk fibre, yarn or fabric;
Described cation-modified and described pre-treatment is carried out in same bath simultaneously; Or,
Described cationic ion modification and described pre-treatment separate in different bath to be carried out, and when separately carrying out, first carrying out pre-treatment to yarn or fabric, then carrying out cation-modified.
10. the method according to any one of claim 1-9, wherein: described bulk fibre, yarn or fabric contain the composition that can react with REACTIVE DYES;
Preferably, the composition of described bulk fibre, yarn or fabric comprises the combination of one or more in cotton, viscose glue, hair, silk, fiber crops.
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| CN106930118A (en) * | 2017-03-15 | 2017-07-07 | 广东溢达纺织有限公司 | A kind of printing with reactive dye method without dyeing waste water |
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| CN109594368A (en) * | 2018-11-08 | 2019-04-09 | 上海大学 | Continuous cation-modified and reactive dyeing the method for fabric |
| CN109811560A (en) * | 2019-01-26 | 2019-05-28 | 桐乡市钜汪家纺有限公司 | A kind of production technology of seven color silk cottons |
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| 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 |
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| 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 |
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| CN112482054A (en) * | 2020-12-15 | 2021-03-12 | 浙江灏宇科技有限公司 | Processing method for dyeing by using dyeing residual liquid of reactive dye |
| CN112647320A (en) * | 2020-12-17 | 2021-04-13 | 长胜纺织科技发展(上海)有限公司 | Reactive dye transfer dyeing method for denim |
| WO2022126955A1 (en) * | 2020-12-17 | 2022-06-23 | 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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