CN102031017A - Disperse dye composition and application thereof - Google Patents
Disperse dye composition and application thereof Download PDFInfo
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- CN102031017A CN102031017A CN2010105519134A CN201010551913A CN102031017A CN 102031017 A CN102031017 A CN 102031017A CN 2010105519134 A CN2010105519134 A CN 2010105519134A CN 201010551913 A CN201010551913 A CN 201010551913A CN 102031017 A CN102031017 A CN 102031017A
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Abstract
The invention discloses a disperse dye composition and application thereof and particularly relates to a disperse dye which has good dyeing effect under an alkali condition and application thereof. The dye composition comprises a dye and an aid in a mass ratio of 1:1-1:2, wherein the dye is selected from any one or more of a dye I, a dye II, a dye III and a dye IV. The disperse dye composition can be widely applied to a full-polyester dyeing process, a synchronous polyester/cotton scouring, bleaching, dispersing and dyeing process, a polyester/cotton dispersing high-temperature active dye one-bath process, a polyester/cotton dispersing constant-temperature active dye one-bath two-step process and the like and has good dyeing effect. The disperse dye composition can realize synchronous performance of a pretreatment process and a dyeing process, can be used together with other active dyes, has wide application and contributes to shortening process time and lowering production cost.
Description
Technical field:
The present invention relates to a kind of disperse dye composition, particularly a kind ofly be applicable to dispersed dye and the application thereof that has good Color under the alkaline condition.
Background technology:
At present, the dyeing of trevira, more employing dispersed dye dye under solutions of weak acidity, and the defective that this dyeing process exists is: refining, the alkali decrement of trevira before dyeing, and soap boiling and reduction clearing after the dyeing are all carried out under alkaline condition.Therefore, cause easily when dyeing in the acid bath that dyeing is uneven, dye bath pH value fluctuation range is big, can cause the variation of coloured light, the dyeing poor reproducibility.
Also there is part producer to adopt dispersed dye under alkaline condition, to dye, dispersed dye can effectively be removed slurry, finish on the polyester textile in alkaline condition dyeing, overcoming other degradation production such as polyester oligomer separates out in acid bath and produces the shortcoming of dying defect, bring the effect that cloth cover is clean and tidy, Fabric Style is good simultaneously, often do not need reduction clearing can satisfy the fastness requirement.
But, at present, it is very few really to be applied to carry out under the alkaline condition painted dispersed dye, trace it to its cause: the one, existing alkaline dispersed dye have bigger restriction on textile dyeing is used, still can not be applicable to entirely widely to wash, wash/cotton and wash spandex and, ultra-fine fibre etc., and obtain good Color; The 2nd, existing alkaline dispersed dye are applicable to the restriction of dyeing, and pre-treating technology and dyeing need separately carry out, and energy consumption and environmental pollution are bigger; The 3rd, the suitability aspect of existing alkaline dispersed dye and other reactive dyestuffs has bigger restriction.
Have based on this, the applicant makes this invention, be intended to improve a kind of disperse dye composition, have under the alkaline condition and can obtain good Color, and the lining that is applicable to various styles as wash entirely, wash/cotton and wash spandex and, ultra-fine fibre etc., and can be suitable for one-bath dyeing technology separately or with other reactive dyestuffs, and can obtain good Color.
Summary of the invention:
A first aspect of the present invention provides a kind of the have lining that can obtain good Color under the alkaline condition and be applicable to various styles, the disperse dye composition that is fit to one-bath dyeing technology, comprise that mass ratio is 1: 1～1: 2 dyestuff and an auxiliary agent, described dyestuff be selected from dyestuff I, dyestuff II, dyestuff III, dyestuff IV any one or multiple, wherein:
Dyestuff I is selected from any one or a few of 73# DISPERSE ORANGE 30 200,61# DISPERSE ORANGE 30 200,44# DISPERSE ORANGE 30 200,30# DISPERSE ORANGE 30 200, SF-2G DISPERSE ORANGE 30 200;
Dyestuff II is selected from any one or a few of 356# Disperse Red, 183# Disperse Red, 179# Disperse Red, 145# Disperse Red, 127# Disperse Red, 143# Disperse Red, 82# Disperse Red, 92# Disperse Red, SF-2G Disperse Red, SF-4BN200% dispersed ruby, G-FS Disperse Red;
Dyestuff III is selected from 165# to disperse blue, 148# to disperse blue, 60# to disperse emerald green blue, 73# to disperse blue, 291# to disperse blue, HSF to disperse deep blue, UN-SE to disperse deep blue, 2BLN to disperse blue any one or a few;
The dyestuff IV is to be selected from any one or a few of 241# DISPERSE YELLOW, 211# DISPERSE YELLOW, 163# DISPERSE YELLOW, 114# DISPERSE YELLOW, 79# DISPERSE YELLOW, 64# DISPERSE YELLOW, 54# DISPERSE YELLOW;
Described auxiliary agent is alkaline levelling agent, is used for controlling the pH value of dyeing between 7-11.
Further: it is 20～70% dyestuff I, 30～80% dyestuff II that described dyestuff contains mass percent.
It is 10% dyestuff II, 90% dyestuff III that described dyestuff contains mass percent.
It is 5% dyestuff HI, 95% dyestuff IV that described dyestuff contains mass percent.
It is 10～70% dyestuff I, 5～75% dyestuff II, 5～85% dyestuff III that described dyestuff contains mass percent.
It is 5～85% dyestuff I, 5～75% dyestuff II, 5～85% dyestuff III, 5～70% dyestuff IV that described dyestuff contains mass percent.
Disperse dye composition of the present invention, according to the change of coloured light and the needs of fastness intensity, also can add one or more of following component:
Component V:9# Disperse Green.
Component VI: 63# 63 DISPERSE Violet 63,26# 63 DISPERSE Violet 63,93# 63 DISPERSE Violet 63;
Component VII: disperse black ECT.
Aforesaid dyestuff title means C.I. (Colour Index; C.I.) common name, corresponding chemical formula is as follows:
Alkaline levelling agent of the present invention, be to be used for controlling the pH value of dyeing between 7-11, the alkalescence levelling agent is mainly selected various tensio-active agents such as dispersion agent, permeate agent, degreaser etc., but one or more of concrete application surface promoting agent 1227, chelated dispersants ZK-A, penetrating agent JFC, alkaline degreaser ZK-101, xylogen 83A, xylogen 85A, Dispersant MF, dispersion agent NNO.
Another aspect of the present invention provides above-mentioned disperse dye composition in the complete technologic application of dyeing terylene, it is characterized in that: under the room temperature, put into full polyester piece good 100 grams, add alkaline levelling agent 0.5～2g/L then, regulate then about pH=7～11, running is more than 3 minutes, add dispersed dye 2g/L of the present invention then, after directly being warmed up to 80 ℃, be warmed up to 130 ℃ with 1 ℃～1.5 ℃/min speed again, insulation dyeing is 30～60 minutes then, is cooled to 80 ℃ of left and right sides discharge opeings then, with 80 ℃～98 ℃ hot water wash 5min, oven dry.
Another aspect of the present invention provides above-mentioned disperse dye composition and washing/cotton scouring and bleaching and dispersion dyeing synchronously with the application on the bath process, it is characterized in that: under the room temperature, put into and wash/cotton fabric 100 grams, add alkaline levelling agent 0.5～2g/L then, regulate pH value pH=7～about 11, turn round after 3 minutes, add hydrogen peroxide, turned round 5 minutes, and added dispersed dye 2g/L of the present invention then, directly be warming up to 80 ℃ after, be warming up to 130 ℃ with 1 ℃～1.5 ℃/min speed again, insulation dyeing 30 '～60 ', be cooled to 80 ℃ of left and right sides discharge opeings then, directly cotton is dyed in water inlet.
Another aspect of the present invention provides above-mentioned disperse dye composition and is washing/the technologic application of cotton dispersion High Temperature Type Reactive Dyes single bath process, it is characterized in that: under the room temperature, put into and wash/cotton fabric 100 grams, adding alkaline levelling agent 0.5～2g/L then mixes up about pH=7～11, turned round 3 minutes, add dispersed dye 2g/L of the present invention then, turn round and added Sodium sulfate anhydrous.min(99)/salt in 5 minutes, turn round and directly be warming up to 80 ℃ after 3 minutes, add High Temperature Type Reactive Dyes, turn round after 20 minutes, be warming up to 130 ℃ with 1 ℃～1.5 ℃/min speed again, insulation dyeing 30 '～45 ', be cooled to 80 ℃ then, turning round began to add soda ash in 5 minutes, 80 ℃ of insulation dyeing 30 '～60 ' discharge opeings, wash water soap boiling.
Another aspect of the present invention provides above-mentioned disperse dye composition and is washing/the technologic application of cotton dispersion thermostatic type reactive dyestuffs one-bath two-step process, it is characterized in that: under the room temperature, put into and wash/cotton fabric 100 grams, add special assistant 0.5～2g/L of the present invention then and mix up about pH pH=7～11 running 3 minutes, add the dispersed dye 2g/L that the embodiment of the invention 1 makes then, turn round directly be warming up to 80 ℃ after 3 minutes after, again with 30 ℃～60 ℃ of 1 ℃～1.5 ℃/min speed intensification degree to 130 ℃ insulation dyeing, be cooled to 60 ℃ then, add Sodium sulfate anhydrous.min(99)/salt and 1g/L soda ash simultaneously, turn round and added the thermostatic type reactive dyestuffs in 5 minutes, turn round after 30 minutes, begin to add soda ash, 60 ℃ of insulation dyeing 30 '～60 ' discharge opeings, wash water soap boiling.
Principle of the present invention and beneficial effect are as follows:
1, disperse dye composition of the present invention, pH is interdependent, and scope is wider, can dye under the condition of pH value 7～11, obtains form and aspect are full, washing fastness isochrome fastness ability is outstanding dyeing and weaving thing, especially fastness to sublimation and has obtained increasing substantially.
2, disperse dye composition of the present invention, the lining that goes for various styles as wash entirely, wash/cotton or wash spandex, ultra-fine fibre etc., all have Color preferably.
3, disperse dye composition of the present invention, be applied to wash entirely, wash/cotton or when washing the dyeing of spandex, ultra-fine fibre etc., can realize that pre-treating technology and dyeing carry out synchronously, like this, just shorten the process time greatly, raise labour productivity, save the energy and water consumption, alleviate the sewage disposal burden.
4, disperse dye composition of the present invention can use separately, also can be used with other reactive dyestuffs, as to wash/cotton mixture fabric or blending thing carry out cotton scouring and bleaching/the terylene disperse dyeing carries out with bathing synchronously; Or cooperate the one-bath process that carries out polyester/cotton blended fabric dispersion/reactive dyestuffs with High Temperature Type Reactive Dyes, or with dye with thermostatic type reactive dyestuffs one-bath two-step process, all can obtain good Color, with a wide range of applications, also help the process time simultaneously and reduce production costs.
5, disperse dye composition of the present invention is applicable to when dyeing under the alkaline environment, can effectively prevent and remove fiber and dye oligopolymer on the machine, thereby reduce production costs and machine cost.
The invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings:
Dyeing figure when Fig. 1 is applied to full terylene for the present invention;
Among Fig. 1: A is an embryo cloth; B is alkaline levelling agent, and C is dispersed dye of the present invention.
Fig. 2 for the present invention be applied to wash/cotton scouring and bleaching and dispersion dyeing synchronously with bath process figure;
Among Fig. 2: A is an embryo cloth; B is alkaline levelling agent, and C is a hydrogen peroxide; D is dispersed dye of the present invention.
Fig. 3 is applied to wash/the cotton High Temperature Type Reactive Dyes single bath process artwork that disperses for the present invention;
Among Fig. 3: A is an embryo cloth; B is alkaline levelling agent, and C is dispersed dye of the present invention, and D is Sodium sulfate anhydrous.min(99)/salt, and E is a High Temperature Type Reactive Dyes, and F is soda ash/other alkali (1/10) (3/10) (6/10).
Fig. 4 is applied to wash/the cotton thermostatic type reactive dyestuffs one-bath two-step process artwork that disperses for the present invention.
Among Fig. 4: A is an embryo cloth; B is alkaline levelling agent, and C is dispersed dye of the present invention, and D is Sodium sulfate anhydrous.min(99)/salt, and E is a soda ash, and F is the thermostatic type reactive dyestuffs, and G is soda ash/other alkaline agent (1/10) (3/10) (6/10).
Embodiment:
The present invention is described further below in conjunction with specific embodiment, but protection scope of the present invention is not limited in this:
1, the preparation of disperse dye composition of the present invention
Embodiment 1:
With the multi-functional levelling agent SE of the component I of 100 gram formulas (I-1), 200 grams, add water 750 grams mix piece together after, grind and disperse, drying gets product, this dyestuff can provide fabric evenly and good orange of fastness ability.
Embodiment 2:
To contain the component A of 50 gram formulas (I-1), 50 gram formulas (I-2), the multi-functional levelling agent SE of 100 grams, add water 750 gram mix piece together after, grind and disperse, drying gets product, this dyestuff can provide fabric evenly and good orange of fastness ability.
According to embodiment 1 described method, structure and the weight ratio and the auxiliary agent of the component I that different is in the employing table 1, component I I, component III, component IV, add and make slurries after the water assembly mixes, grind and disperse, dry, make finished product, thereby it is needed evenly and the fastness ability good color tone to offer fabric.
Table 1: different disperse dye compositions are formed and corresponding tone
2, the application of disperse dye composition of the present invention
2.1. be applied to full dyeing terylene technology:
The dyeing route is as shown in Figure 1: measured normal water level, under the room temperature, put into full polyester piece good 100 grams, add special assistant 0.5～2g/L of the present invention then, regulate then about pH=7～11, running adds the dispersed dye 2g/L that the embodiment of the invention 1 makes more than 3 minutes then, after directly being warmed up to 80 ℃, be warmed up to 130 ℃ with 1 ℃～1.5 ℃/min speed again, insulation dyeing is 30～60 minutes then, is cooled to 80 ℃ of left and right sides discharge opeings then, with 80 ℃～98 ℃ hot water wash 5min, oven dry.
According to the method described in the above-mentioned dyeing embodiment, adopt the dyestuff of preparation among the embodiment 1～36 to dye respectively, different is to change dyeing pH value, adopt that GB GB/T3920, GB/T3921, GB/T5718 test its rub resistance respectively, anti-ly soap, color fastness to sublimation, specifically see Table 2.
Table 2: embodiment 1～36 is applied to the Color contrast of full terylene
As can be seen from Table 2, when disperse dye composition of the present invention was applied to full dyeing terylene, pre-treatment and dyeing carried out simultaneously, have shortened the process time effectively, have reduced process energy consumption, and have good rub resistance, anti-ly soap, fastness to sublimation.
2.2. be applied to wash/cotton scourings and bleaching and the synchronous same bath process of dispersion dyeing:
Embodiment 17:
Process curve is as shown in Figure 2: measured normal water level, under the room temperature, put into and wash/cotton fabric 100 grams, add special assistant 0.5～2g/L of the present invention then, regulate pH value pH=7～about 11, turn round after 3 minutes, add hydrogen peroxide, turned round 5 minutes, add the dispersed dye 2g/L that the embodiment of the invention 1 makes then, directly be warming up to 80 ℃ after, be warming up to 130 ℃ with 1 ℃～1.5 ℃/min speed again, insulation dyeing 30 '～60 ', be cooled to 80 ℃ of left and right sides discharge opeings then.Directly cotton is dyed in water inlet.
According to the method described in the above-mentioned dyeing embodiment, adopt the dyestuff of preparation among the embodiment 1～36 to dye respectively, different is to change dyeing pH value, tests its rub resistance respectively, anti-ly soaps, color fastness to sublimation, specifically sees Table 3.
Table 3: embodiment 1～36 is applied to wash/cotton scouring and bleaching and dispersion dyeing synchronously with the Color of bath process
As can be seen from Table 3, disperse dye composition of the present invention is applied to wash/and cotton scourings and bleaching and dispersion dyeing during synchronously with bath process, and pre-treatment and dyeing carry out simultaneously, have shortened the process time effectively, reduced process energy consumption, and have good rub resistance, anti-ly soap, fastness to sublimation.
2.3. be applied to wash/the cotton High Temperature Type Reactive Dyes single bath process that disperses:
Embodiment 18: process curve as shown in Figure 3: measured normal water level, under the room temperature, put into and wash/cotton fabric 100 grams, adding special assistant 0.5～2g/L of the present invention then mixes up about pH pH=7～11, turned round 3 minutes, add the dispersed dye 2g/L that the embodiment of the invention 1 makes then, turning round added Sodium sulfate anhydrous.min(99)/salt in 5 minutes, turned round and directly was warming up to 80 ℃ after 3 minutes, add High Temperature Type Reactive Dyes, turn round after 20 minutes, be warming up to 130 ℃ with 1 ℃～1.5 ℃/min speed again, insulation dyeing 30 '～45 ', be cooled to 80 ℃ then, turn round began to add soda ash/other alkaline agent in 5 minutes after, 80 ℃ of insulation dyeing 30 '～60 ' discharge opeings, wash water soap boiling.
According to the method described in the above-mentioned dyeing embodiment, adopt the dyestuff of preparation among the embodiment 1～36 to dye respectively, different is to change dyeing pH value, tests its rub resistance respectively, anti-ly soaps, color fastness to sublimation, specifically sees Table 4.
Table 4: embodiment 1～36 is applied to wash/the cotton Color that disperses the High Temperature Type Reactive Dyes single bath process
As can be seen from Table 4, disperse dye composition of the present invention is applied to wash/and cotton when disperseing High Temperature Type Reactive Dyes single bath process technology, pre-treatment and dyeing carry out simultaneously, have shortened the process time effectively, reduced process energy consumption, and have good rub resistance, anti-ly soap, fastness to sublimation.
2.4. be applied to wash/the cotton thermostatic type reactive dyestuffs one-bath two-step process that disperses:
Embodiment 19: process curve as shown in Figure 3: measured normal water level, under the room temperature, put into and wash/cotton fabric 100 grams, add special assistant 0.5～2g/L of the present invention then and mix up about pH pH=7～11 running 3 minutes, add the dispersed dye 2g/L that the embodiment of the invention 1 makes then, turn round directly be warming up to 80 ℃ after 3 minutes after, again with 30 ℃～60 ℃ of 1 ℃～1.5 ℃/min speed intensification degree to 130 ℃ insulation dyeing, cooling (adding Sodium sulfate anhydrous.min(99)/salt and 1g/L soda ash simultaneously) is to 60 ℃ then, turn round and added the thermostatic type reactive dyestuffs in 5 minutes, turning round begins to add soda ash/other alkaline agent after 30 minutes, 60 ℃ of insulation dyeing 30 '～60 ' discharge opeings, wash water soap boiling.
According to the method described in the above-mentioned dyeing embodiment, adopt the dyestuff of preparation among the embodiment 1～36 to dye respectively, different is to change dyeing pH value, tests its rub resistance respectively, anti-ly soaps, color fastness to sublimation, specifically sees Table 5.
Table 5: embodiment 1～36 is applied to wash/the cotton Color that disperses the High Temperature Type Reactive Dyes single bath process
As can be seen from Table 5, disperse dye composition of the present invention is applied to wash/and cotton when disperseing High Temperature Type Reactive Dyes single bath process technology, pre-treatment and dyeing carry out simultaneously, have shortened the process time effectively, reduced process energy consumption, and have good rub resistance, anti-ly soap, fastness to sublimation.
Claims (10)
1. a disperse dye composition is characterized in that, comprises that mass ratio is 1: 1～1: 2 dyestuff and an auxiliary agent, described dyestuff be selected from dyestuff I, dyestuff II, dyestuff III, dyestuff IV any one or multiple, wherein:
Dyestuff I is selected from any one or a few of 73# DISPERSE ORANGE 30 200,61# DISPERSE ORANGE 30 200,44# DISPERSE ORANGE 30 200,30# DISPERSE ORANGE 30 200, SF-2G DISPERSE ORANGE 30 200;
Dyestuff II is selected from any one or a few of 356# Disperse Red, 183# Disperse Red, 179# Disperse Red, 145# Disperse Red, 127# Disperse Red, 143# Disperse Red, 82# Disperse Red, 92# Disperse Red, SF-2G Disperse Red, SF-4BN200% dispersed ruby, G-FS Disperse Red;
Dyestuff III is selected from 165# to disperse blue, 148# to disperse blue, 60# to disperse emerald green blue, 73# to disperse blue, 291# to disperse blue, HSF to disperse deep blue, UN-SE to disperse deep blue, 2BLN to disperse blue any one or a few;
The dyestuff IV is to be selected from any one or a few of 241# DISPERSE YELLOW, 211# DISPERSE YELLOW, 163# DISPERSE YELLOW, 114# DISPERSE YELLOW, 79# DISPERSE YELLOW, 64# DISPERSE YELLOW, 54# DISPERSE YELLOW;
Described auxiliary agent is alkaline levelling agent, is used for controlling the pH value of dyeing between 7-11.
2. a kind of disperse dye composition according to claim 1 is characterized in that: it is 20～70% dyestuff I, 30～80% dyestuff II that described dyestuff contains mass percent.
3. a kind of disperse dye composition according to claim 1 is characterized in that: it is 10% dyestuff II, 90% dyestuff III that described dyestuff contains mass percent.
4. a kind of disperse dye composition according to claim 1 is characterized in that: it is 5% dyestuff III, 95% dyestuff IV that described dyestuff contains mass percent.
5. a kind of disperse dye composition according to claim 1 is characterized in that: it is 10～70% dyestuff I, 5～75% dyestuff II, 5～85% dyestuff III that described dyestuff contains mass percent.
6. a kind of disperse dye composition according to claim 1 is characterized in that: it is 5～85% dyestuff I, 5～75% dyestuff II, 5～85% dyestuff III, 5～70% dyestuff IV that described dyestuff contains mass percent.
7. the described disperse dye composition of claim 1～6 is in the complete technologic application of dyeing terylene, it is characterized in that: under the room temperature, put into full polyester piece good 100 grams, add alkaline levelling agent 0.5～2g/L then, regulate pH=7～11 then, running is more than 3 minutes, add dispersed dye 2g/L of the present invention then, after directly being warmed up to 80 ℃, be warmed up to 130 ℃ with 1 ℃～1.5 ℃/min speed again, insulation dyeing is 30～60 minutes then, is cooled to 80 ℃ of discharge opeings then, with 80 ℃～98 ℃ hot water wash 5min, oven dry.
The described disperse dye composition of claim 1～6 polyester-cotton blend scouring and bleaching and dispersion dyeing synchronously with the application on the bath process, it is characterized in that: under the room temperature, put into polyester-cotton fabric 100 grams, add alkaline levelling agent 0.5～2g/L then, regulate pH value pH=7～11, turn round after 3 minutes, add hydrogen peroxide, turned round 5 minutes, and added dispersed dye 2g/L of the present invention then, directly be warming up to 80 ℃ after, be warming up to 130 ℃ with 1 ℃～1.5 ℃/min speed again, insulation dyeing 30 '～60 ', be cooled to 80 ℃ of discharge opeings then, directly cotton is dyed in water inlet.
9. the described disperse dye composition of claim 1～6 is being washed/the technologic application of cotton dispersion High Temperature Type Reactive Dyes single bath process, it is characterized in that: under the room temperature, put into polyester-cotton fabric 100 grams, add alkaline levelling agent 0.5～2g/L then, mix up pH=7～11, turned round 3 minutes, add dispersed dye 2g/L of the present invention then, turn round and added Sodium sulfate anhydrous.min(99)/salt in 5 minutes, turn round and directly be warming up to 80 ℃ after 3 minutes, add High Temperature Type Reactive Dyes, turn round after 20 minutes, be warming up to 130 ℃ with 1 ℃～1.5 ℃/min speed again, insulation dyeing 30 '～45 ', be cooled to 80 ℃ then, turning round began to add soda ash in 5 minutes, 80 ℃ of insulation dyeing 30 '～60 ' discharge opeings, the wash water soap boiling.
10. the described disperse dye composition of claim 1～6 is being washed/the technologic application of cotton dispersion thermostatic type reactive dyestuffs one-bath two-step process, it is characterized in that: under the room temperature, put into polyester-cotton fabric 100 grams, add special assistant 0.5～2g/L of the present invention then, mixing up pH pH=7～11 turned round 3 minutes, add the dispersed dye 2g/L that the embodiment of the invention 1 makes then, turn round directly be warming up to 80 ℃ after 3 minutes after, again with 30 ℃～60 ℃ of 1 ℃～1.5 ℃/min speed intensification degree to 130 ℃ insulation dyeing, be cooled to 60 ℃ then, add Sodium sulfate anhydrous.min(99)/salt and 1g/L soda ash simultaneously, turning round added the thermostatic type reactive dyestuffs in 5 minutes, turned round after 30 minutes, began to add soda ash, 60 ℃ of insulation dyeing 30 '～60 ' discharge opeings, the wash water soap boiling.
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