CN107829322A - A kind of method that liquefied ammonia water blend solution removes dyeing loose colour - Google Patents
A kind of method that liquefied ammonia water blend solution removes dyeing loose colour Download PDFInfo
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- CN107829322A CN107829322A CN201711076462.1A CN201711076462A CN107829322A CN 107829322 A CN107829322 A CN 107829322A CN 201711076462 A CN201711076462 A CN 201711076462A CN 107829322 A CN107829322 A CN 107829322A
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- China
- Prior art keywords
- blend solution
- water
- loose colour
- liquefied ammonia
- dyeing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
Abstract
The invention discloses a kind of method that liquefied ammonia water blend solution removes dyeing loose colour, add water to liquefied ammonia and be made into liquefied ammonia water blend solution；Ramie yarn and thread product dyed thereby after dyeing is immersed in liquefied ammonia water blend solution, agitator treating removes loose colour.The beneficial effects of the invention are as follows without using detergent, the water consumption in washing step is reduced in large quantities, reduces the discharge capacity of waste water.
Description
Technical field
The invention belongs to textile technology field, is related to a kind of method that liquid ammonia-water blend solution removes dyeing loose colour.
Background technology
In the dyeing course of textile, dyestuff is transferred to fiber surface from dye liquor, is reinfiltrated into fibrous inside, then
By dyestuff set in the fibre.The dyestuff on fiber is adsorbed, some is combined with covalent bond with fiber, such as reactive dyeing.
Have plenty of Van der Waals force set, such as direct dyes.These dyestuffs of absorption on fiber can not all sets securely completely
On fiber, it is therefore desirable to remove the dyestuff of the non-set in this part, improve the washing color fastness of dyed textiles.
Therefore, after dyeing, it is necessary to remove the dyestuff (also referred to as loose colour) of non-set by washing step, it is attached to dyeing
The dyestuff on thing surface is easier to be removed, and the loose colour penetrated into fiber just more difficult washout.The loose colour of in general textile all needs
By the washing in 3-4 roads, include and soap, cold water is washed, therefore washing is the process that water consumption is most in dyeing.
Liquefied ammonia has good swelling and decrystallization to cellulose fibre, and cellulose point can be destroyed in very short time
Hydrogen bond between subchain, increase the spacing in cellulose molecular chain so that the unformed area of fiber is more.But the pole of pure liquefied ammonia
Property is relatively low, it is more difficult to dissolves substantial amounts of dyestuff.But a small amount of aqueous medium is added in liquefied ammonia, forms liquid ammonia-water blend solution, significantly
Ground improves its solvability and clean result to dyestuff, but does not change decrystallization of the liquefied ammonia to fiber, and liquefied ammonia easily returns
Receive and recycle.
The content of the invention
It is an object of the invention to provide a kind of method that liquid ammonia-water blend solution removes dyeing loose colour, solves traditional water
Wash the problem of water consumption is big in process.
The technical solution adopted in the present invention is to follow the steps below：
Step 1：Add water to liquefied ammonia and be made into liquid ammonia-water blend solution；
Step 2：Ramie loose stock dyeing thing after dyeing is immersed in liquid ammonia-water blend solution, agitator treating removes
Loose colour.
Further, in step 1 in liquid ammonia-water blend solution, content of the water in liquefied ammonia is 8%.
Further, the time that loose colour is removed in step 2 is 5 minutes.
Further, the temperature that loose colour is removed in step 2 is -34 DEG C.
The beneficial effects of the invention are as follows without using detergent, the water consumption in washing step is reduced in large quantities, is reduced useless
The discharge of water.
Brief description of the drawings
Fig. 1 is the dyeing schematic diagram to ramie yarn and thread.
Embodiment
With reference to embodiment, the present invention is described in detail.
Embodiment 1：By 20g ramie yarn and thread, dyed according to the dyeing in the formula and Fig. 1 in table 1.Before taking dyeing
Dye liquor afterwards, its absorbance is detected, calculate amount of dye of the absorption on ramie yarn and thread.
The product dyed thereby of the ramie yarn and thread after 2g dyeing is taken, in the 100ml aqueous solution of the nonionic detergent containing 2g/L,
Washing 10 minutes is carried out at 100 DEG C, the absorbance of cleaning solution is surveyed after washing, its washout rate (R%) is calculated according to formula 1.
0,2,4,6,8 and 10ml water are added in vial, addition liquefied ammonia to 100ml, is made into 0%, 2%, 4%,
6%, 8% and 10% (volume fraction) liquid ammonia-water blend solution.Ramie yarn and thread product dyed thereby after 2g is dyed is immersed in containing not
With in the liquid ammonia-water blend solution of water content, agitator treating takes out product dyed thereby, extracted after 5 minutes at -34 DEG C.After washing
Liquid ammonia-water blend solution liquefied ammonia volatilization after, reenter water to 100ml, then detect its absorbance, calculating it by formula 1 washes
Except rate, as a result example is in table 2.
Table 2 shows that, with the increase of water content in liquid ammonia-water blend solution, its washout rate gradually steps up, and contains 8%
Reach maximum during amount, when being further added by 10%, washout rate is basically unchanged.Compared with traditional soaping method, effect base is removed
This is identical.Therefore, 8% water content is the optimum moisture content that liquid ammonia-water blend solution removes loose colour.
The dyeing recipe of table 1.
| Dyestuff name | Active blue 19 4 |
| Dye dosage | 3%o.m.f |
| Bath raio | 1：50 |
| NaCl | 40g/L |
| Na2CO3 | 10g/L |
R%=A2/(A0-A1) * 100% (formula 1)
A in formula0And A1Absorbance respectively before and after dyeing, A2To remove dyestuff after washing in 100ml water
Absorbance.
Influence of the different moisture content of table 2. to washout rate
| Water content | 0% | 2% | 4% | 6% | 8% | 10% | Soap |
| Washout rate (%) | 17.75 | 28.74 | 31.92 | 34.63 | 38.23 | 38.16 | 38.07 |
Embodiment 2：By 20g ramie yarn and thread, dyed according to the dyeing in the formula and Fig. 1 in table 1.Before taking dyeing
Dye liquor afterwards, its absorbance is detected, calculate amount of dye of the absorption on ramie yarn and thread.
The product dyed thereby of the ramie yarn and thread after 2g dyeing is taken, in the 100ml aqueous solution of the nonionic detergent containing 2g/L,
Washing 10 minutes is carried out at 100 DEG C, the absorbance of cleaning solution is surveyed after washing, its washout rate (R%) is calculated according to formula 1.
8ml water is added in vial, liquefied ammonia is added to 100ml, it is molten to be made into the blending of 8% (volume fraction) liquid ammonia-water
Liquid.Ramie yarn and thread product dyed thereby after 2g is dyed is immersed in the liquid ammonia-water blend solution containing 8% water content, at -34 DEG C
After agitator treating 1,2,3,4,5 and 10 minute, product dyed thereby is taken out, is extracted.The liquefied ammonia of liquid ammonia-water blend solution after washing is waved
After hair, water is reentered to 100ml, its absorbance is then detected, calculates its washout rate by formula 1, as a result example is in table 3.
Table 3 shows that, with the extension of wash time, its washout rate gradually steps up, and reaches maximum after 5 minutes, then
When extending to 10 minutes, washout rate is basically unchanged.Compared with traditional soaping method, it is essentially identical to remove effect.Therefore, 5 points
The wash time of clock is the Best Times that liquid ammonia-water blend solution removes loose colour.
Influence of the 3. different wash times of table to washout rate
| Wash time (minute) | 1 | 2 | 3 | 4 | 5 | 10 | Soap |
| Washout rate (%) | 26.43 | 28.51 | 32.58 | 35.72 | 38.23 | 38.15 | 38.07 |
Embodiment 3：By 20g ramie yarn and thread, dyed according to the dyeing in the formula and Fig. 1 in table 1.Before taking dyeing
Dye liquor afterwards, its absorbance is detected, calculate amount of dye of the absorption on ramie yarn and thread.
The product dyed thereby of the ramie yarn and thread after 2g dyeing is taken, in the 100ml aqueous solution of the nonionic detergent containing 2g/L,
Washing 10 minutes is carried out at 100 DEG C, the absorbance of cleaning solution is surveyed after washing, its washout rate (R%) is calculated according to formula 1.
8ml water is added in vial, liquefied ammonia is added to 100ml, it is molten to be made into the blending of 8% (volume fraction) liquid ammonia-water
Liquid.Ramie yarn and thread product dyed thereby after 2g is dyed is immersed in the liquid ammonia-water blend solution containing 8% water content, in -34 DEG C, -
Agitator treating takes out product dyed thereby, extracted after 5 minutes at 50 DEG C and -60 DEG C.By the liquefied ammonia of the liquid ammonia-water blend solution after washing
After volatilization, water is reentered to 100ml, its absorbance is then detected, calculates its washout rate by formula 1, as a result example is in table 4.
Table 4 shows, with the reduction of wash temperature, its washout rate is basically unchanged, i.e., temperature does not have an impact to clean result.
Wherein -34 DEG C temperature for liquefied ammonia itself, decline temperature need to consume energy.Compared with traditional soaping method, effect is removed
It is essentially identical.Therefore, -34 DEG C, i.e. liquefied ammonia own temperature is the optimum temperature that liquid ammonia-water blend solution removes loose colour.
Influence of the 4. different wash temperatures of table to washout rate
| Wash temperature (DEG C) | -34 | -50 | -60 | Soap |
| Washout rate (%) | 38.23 | 38.18 | 38.22 | 38.07 |
The present invention is represented using ramie yarn and thread as dyed substrate, from active blue 19 4 for dyestuff, is dyed.After dyeing
In liquefied ammonia-aqueous solution, in different aq growth medium contgs, different wash times, washed under conditions of different wash temperatures
Wash, calculate the washout rate of its dyestuff, and compared with traditional washout rate soaped, show that liquefied ammonia-aqueous solution is high for a kind of cleaning
The method of the washout loose colour of effect.
It is also an advantage of the present invention that liquefied ammonia recoverable used, meanwhile, fiber is in liquid ammonia-water blend solution reclaimed water
Wash so that yarn rapid desufflation, that is, realize the sizing of yarn, efficiently solve the problem of textile shrinks.
Described above is only the better embodiment to the present invention, not makees any formal limit to the present invention
System, any simple modification that every technical spirit according to the present invention is made to embodiment of above, equivalent variations and modification,
Belong in the range of technical solution of the present invention.
Claims (4)
1. a kind of method that liquid ammonia-water blend solution removes dyeing loose colour, it is characterised in that follow the steps below：
Step 1：Add water to liquefied ammonia and be made into liquid ammonia-water blend solution；
Step 2：Ramie yarn and thread product dyed thereby after dyeing is immersed in liquid ammonia-water blend solution, agitator treating removes loose colour.
2. the method for removing dyeing loose colour according to a kind of liquid ammonia-water blend solution described in claim 1, it is characterised in that：It is described
In step 1 in liquid ammonia-water blend solution, content of the water in liquefied ammonia is 8%.
3. the method for removing dyeing loose colour according to a kind of liquid ammonia-water blend solution described in claim 1, it is characterised in that：It is described
The time that loose colour is removed in step 2 is 5 minutes.
4. the method for removing dyeing loose colour according to a kind of liquid ammonia-water blend solution described in claim 1, it is characterised in that：It is described
The temperature that loose colour is removed in step 2 is -34 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076462.1A CN107829322A (en) | 2017-11-06 | 2017-11-06 | A kind of method that liquefied ammonia water blend solution removes dyeing loose colour |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711076462.1A CN107829322A (en) | 2017-11-06 | 2017-11-06 | A kind of method that liquefied ammonia water blend solution removes dyeing loose colour |
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|---|---|
| CN107829322A true CN107829322A (en) | 2018-03-23 |
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| CN201711076462.1A Pending CN107829322A (en) | 2017-11-06 | 2017-11-06 | A kind of method that liquefied ammonia water blend solution removes dyeing loose colour |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254608A (en) * | 2020-02-18 | 2020-06-09 | 武汉纺织大学 | Textile washing method by showering |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824076A (en) * | 1972-09-25 | 1974-07-16 | Kane And Co | Liquid ammonia-caustic dye solution and dyeing therewith |
| CN104099790A (en) * | 2014-07-09 | 2014-10-15 | 武汉纺织大学 | Method for cleaning away flooding on fibers through liquid ammonia |
| CN106460310A (en) * | 2014-06-06 | 2017-02-22 | 雷贾尼机械股份公司 | Method for dyeing and finishing textile material and corresponding apparatus |
-
2017
- 2017-11-06 CN CN201711076462.1A patent/CN107829322A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824076A (en) * | 1972-09-25 | 1974-07-16 | Kane And Co | Liquid ammonia-caustic dye solution and dyeing therewith |
| CN106460310A (en) * | 2014-06-06 | 2017-02-22 | 雷贾尼机械股份公司 | Method for dyeing and finishing textile material and corresponding apparatus |
| CN104099790A (en) * | 2014-07-09 | 2014-10-15 | 武汉纺织大学 | Method for cleaning away flooding on fibers through liquid ammonia |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254608A (en) * | 2020-02-18 | 2020-06-09 | 武汉纺织大学 | Textile washing method by showering |
| CN111254608B (en) * | 2020-02-18 | 2022-04-26 | 武汉纺织大学 | Textile washing method by showering |
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Application publication date: 20180323 |