CN103469627B - A kind of low-temperature dyeing method improving wool textile brute force - Google Patents
A kind of low-temperature dyeing method improving wool textile brute force Download PDFInfo
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Abstract
The present invention relates to a kind of low-temperature dyeing method improving wool textile brute force, belong to textile printing and dyeing manufacture field.The present invention adopts and changes dye liquor preparation and the method for dyeing route, the wool textile with pretreatment fluid is placed in the dye liquor that ethanol and a small amount of water and dyestuff mix at high proportion and carries out low temperature dyeing.Method of the present invention can not only reduce the loss of wool brute force, improve utilization rate and the dye-uptake of dyestuff, wool textile good level-dyeing property, gloss and wearability all make moderate progress, and can reduce the water consumption in wool textile dye process, effectively reduce the consumption of auxiliary agent, not only technique is simple, cost is low, and ethanol can recycle and reuse, energy-saving safe, economic environmental protection.
Description
Technical field
The present invention relates to a kind of low-temperature dyeing method improving wool textile brute force, belong to textile printing and dyeing manufacture field.
Background technology
Traditional woolen dyed in, in order to obtain good level-dyeing property, and making dyestuff penetration to fibrous inside, is all generally in dye liquor boiling or continue dyeing for a long time close under fluidized state by wool fibre.Due to the restriction of dyestuff and equipment, woolen dyed pH value range is generally 2 ~ 7, the dyeing completed under long-time high temperature traditional like this boils the condition of boiling can make the loss of wool generation various ways, the particularly loss of wool fibre brute force, not only reduce production efficiency and output, and affect feel and the vividness of dyeing, finally even have influence on the quality and performance of product.
Therefore, along with the progress of science and technology and the needs of wool product, the colouring method of some reduction wool strength losses has become the emphasis of research.
Open magazine " Qiqihar University's journal ", volume the 6th phase name was called in " research of wool fibre dyeability " and refer to a kind of low temperature dyeing of wool method November the 24th 2008 publication date, the method adopts acidic protein ferment treatment and dyeing to carry out low temperature dyeing with bathing to wool, can reduce the loss to wool.But its weak point is that the method needs to carry out Protease Treatment to wool, complex process and cost is higher.
Open magazine " printing and dyeing ", the 10th phase name was called in " the cold dyeing that flocks together of wool REACTIVE DYES " and refer to a kind of low temperature dyeing of wool method at 2009 publication date, the method adopts REACTIVE DYES to carry out the cold dyeing that flocks together to wool fabric, can reduce the loss of wool brute force to a certain extent.But the method dyeing time is longer, technique is also comparatively complicated.
Open magazine " wool spinning science and technology ", December the 40th 2012 publication date volume the 10th phase name be called in " novel ecological low damage superfine wool process technology " refer to a kind of to superfine wool processing method, the method adopts low temperature and the processing technology of short time, can reduce the loss of wool brute force to a certain extent.But the method is only limitted to technique itself, and adaptability is narrower.
Open magazine " wool spinning science and technology ", May the 37th 2009 publication date, volume the 5th phase name was called a kind of method that refer to low temperature dyeing of wool in " rare earth chloride is in conjunction with the application of redox system in low temperature dyeing of wool ", the method adopts thiocarbamide-hydrogen peroxide oxidation reduction system and rare earth chloride one to work to contaminate the low temperature of wool, although can reduce the damage of wool brute force to a certain extent.But its weak point is that the method cost is higher, and complex process.
Chinese patent application publication No. CN102277754A, on December 14 2011 Shen Qing Publication date, the name of innovation and creation is called a kind of Wool Surface Modification and low-temperature dyeing method thereof, and this application case discloses a kind of low-temperature dyeing method of modified wool.Although the method ionic liquid carries out to wool the method that modification dyes again, really play the method reducing wool loss, its weak point is that the method cost is higher.
China Patent Publication No. CN1851113A, on October 25 2006 publication date, the name of innovation and creation is called a kind of low temperature dyeing of wool method, and this application case discloses a kind of low temperature dyeing of wool method.Although the method adding Oxidizing and Reducing Agents when dyeing that it adopts realizes the low temperature dyeing of wool really, its weak point is the to a certain degree not lower damage reduced wool brute force of the method.
Summary of the invention
For the problems referred to above, in order to reduce the consumption of wool loss powerful in dyeing course and water, the object of the present invention is to provide and a kind ofly the wool textile with pretreatment fluid is placed in the method that ethanol and a small amount of water and dyestuff mix at high proportion dye liquor carries out low temperature dyeing.
To achieve these goals, technical solution of the present invention is:
Improve a low-temperature dyeing method for wool textile brute force, described colouring method carries out according to the following steps:
A prepares pretreatment fluid:
PH adjusting agent, non-ionic surface active agent are placed in the mixed liquor of second alcohol and water, pretreatment fluid is mixed with after stirring, wherein, the bath raio of pretreatment fluid is 1:5 ~ 1:30, in pretreatment fluid, the volume ratio of second alcohol and water is 95%:5% ~ 50%:50%, the pH of pretreatment fluid is 3 ~ 7, and the concentration of non-ionic surface active agent is 0 ~ 5g/L;
The preliminary treatment of b wool textile:
The pretreatment fluid be placed in by wool textile to be dyed through the preparation of a step soaks, and after soaking, the liquid carrying rate of wool textile is 50% ~ 100%;
C prepares dye liquor:
Dyestuff is placed in the mixed liquor of second alcohol and water, is mixed with dye liquor after stirring, wherein, the bath raio of dye liquor is 1:10 ~ 1:50, and the volume ratio of second alcohol and water is 95%:5% ~ 50%:50%, and the concentration of dyestuff is 0.1 ~ 5% of wool textile weight;
D dyes:
Wool textile after b step process is placed in the dye liquor of step c preparation, the initial temperature of dye liquor is 20 ~ 40 DEG C, then dye liquor is warming up to 60 ~ 90 DEG C with the heating rate of 1 ~ 3 DEG C/min and dyes to wool textile, wherein, dyeing time is 30 ~ 60 minutes, after wool textile has dyeed, through washing, soap, wash and drying, obtain finished product.
Described pH adjusting agent is the one in acetic acid or Acetic acid-sodium acetate.
Described wool textile is the one in loose wool fiber or wool top or wool yarn or wool fabric.
Described dyestuff is the one in reactive dye for wool or ACID DYES.
Owing to have employed above technical scheme, technical characterstic of the present invention is: technical scheme of the present invention changes preparation and the dyeing route of dye liquor, adopt and the wool textile with pretreatment fluid is placed in the method that ethanol and a small amount of water and dyestuff mix at high proportion dye liquor carries out low temperature dyeing, when after pretreatment fluid process that wool textile is sour and ethanol and a small amount of water at high proportion, the macromolecular chain of wool fibre in fiber surface generation dissociation, can form amphion containing a large amount of amino and carboxyl
+h
3n-F-COO
-, now, wool fibre in acid, when the dye liquor being placed in ethanol and water at high proportion in acid wool textile dyes, along with the change of wool fibre pH value, dyestuff can with wool fibre with the combination of ionic bond and hydrogen bond upper dye.In addition, due to the existence of ethanol at high proportion in dye liquor, the concentration of dyestuff is sharply increased, after dyestuff adsorbs on fiber, also make the entropy in dye liquor system there occurs change, and the hydrophobic part in dye molecule can increase a small amount of hydrone " class ice " structure in the solution, thus add the chemical potential of dye ions in the dye liquor of ethanol and water at high proportion, improve the affinity that dyestuff contaminates, thus improve dye-uptake.Due to the boiling point of the dye liquor of ethanol and water at high proportion, comparatively water is low, and when the temperature of dye liquor reaches boiling point, because temperature is lower, the wool colloid in wool fibre cannot be separated from fiber, so the loss of wool brute force reduces greatly.Moreover, because pretreatment fluid and dye liquor are all made up of a high proportion of ethanol, so the water consumption in dyeing course reduces greatly, save resource.
The low-temperature dyeing method improving wool brute force of the present invention, in the low temperature dyeing process of wool textile, the loss of wool brute force can not only be reduced, improve utilization rate and the dye-uptake of dyestuff, wool textile good level-dyeing property, reflecting feel and wearability all make moderate progress, and can reduce the water consumption in wool textile dye process, effectively reduce the consumption of auxiliary agent.Not only technique is simple for method of the present invention, cost is low, and ethanol can recycle and reuse, energy-saving safe, economic environmental protection.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is specifically described.
Improve a low-temperature dyeing method for wool textile brute force, wool textile to be dyed is the one in loose wool fiber or wool top or wool yarn or wool fabric.Improve powerful low-temperature dyeing method to carry out according to the following steps:
A prepares pretreatment fluid:
PH adjusting agent, non-ionic surface active agent are placed in the mixed liquor of second alcohol and water, pretreatment fluid is mixed with after stirring, wherein, the bath raio of pretreatment fluid is 1:5 ~ 1:30, in pretreatment fluid, the volume ratio of second alcohol and water is 95%:5% ~ 50%:50%, the pH of pretreatment fluid is 3 ~ 7, and the concentration of non-ionic surface active agent is 0 ~ 5g/L, and pH adjusting agent is the one in acetic acid or Acetic acid-sodium acetate;
The preliminary treatment of b wool textile:
The pretreatment fluid be placed in by wool textile to be dyed through the preparation of a step soaks, and after soaking, the liquid carrying rate of wool textile is 50% ~ 100%;
C prepares dye liquor:
Dyestuff is placed in the mixed liquor of second alcohol and water, dye liquor is mixed with after stirring, wherein, the bath raio of dye liquor is 1:10 ~ 1:50, the volume ratio of second alcohol and water is 95%:5% ~ 50%:50%, the concentration of dyestuff is 0.1 ~ 5% of wool textile weight, and dyestuff is the one in reactive dye for wool or ACID DYES;
D dyes:
Wool textile after b step process is placed in the dye liquor of step c preparation, the initial temperature of dye liquor is 20 ~ 40 DEG C, then dye liquor is warming up to 60 ~ 90 DEG C with the heating rate of 1 ~ 3 DEG C/min and dyes to wool textile, wherein, dyeing time is 30 ~ 60 minutes, after wool textile has dyeed, through washing, soap, wash and drying, obtain finished product.
Specific embodiment
Embodiment one:
By above-mentioned processing step: select loose wool fiber as textiles to be dyed, reactive dye for wool elected as by dyestuff.Acetic acid, non-ionic surface active agent are placed in the mixed liquor of second alcohol and water, are mixed with pretreatment fluid after stirring, wherein, the bath raio of pretreatment fluid is 1:30, in pretreatment fluid, the volume ratio of second alcohol and water is 95%:5%, and the pH of pretreatment fluid is 4, and the concentration of non-ionic surface active agent is 5g/L; Loose wool fiber to be dyed is placed in pretreatment fluid soak, after soaking, the liquid carrying rate of wool textile is 100%; Reactive dye for wool is placed in the mixed liquor of second alcohol and water, is mixed with dye liquor after stirring, wherein, the bath raio of dye liquor is 1:50, and the volume ratio of second alcohol and water is 95%:5%, and the concentration of dyestuff is 3% of loose wool fiber weight; Pretreated loose wool fiber is placed in dye liquor, the initial temperature of dye liquor is 20 DEG C, then dye liquor is warming up to 60 DEG C with the heating rate of 1 DEG C/min and dyes to loose wool fiber, wherein, dyeing time is 60 minutes, after loose wool fiber has dyeed, through washing, soap, wash and drying, obtain finished product.
The experimental result of the embodiment of the present invention and employing pure water conventional dyeing process is as follows:
| Item compared | Colouring method of the present invention | Common staining method |
| K/S value | 18.577 | 16.754 |
| Powerful (CN) | 18.98 | 12.20 |
From experimental result correction data, dye to wool textile through the inventive method, its Color and brute force all improve.
Embodiment two:
By above-mentioned processing step: select wool top as textiles to be dyed, ACID DYES selected by dyestuff.Acetic acid-sodium acetate is placed in the mixed liquor of second alcohol and water, pretreatment fluid is mixed with after stirring, wherein, the bath raio of pretreatment fluid is 1:5, in pretreatment fluid, the volume ratio of second alcohol and water is 50%:50%, the pH of pretreatment fluid is 5, wool top to be dyed is placed in pretreatment fluid and soaks, and after soaking, the liquid carrying rate of wool top is 50%; ACID DYES is placed in the mixed liquor of second alcohol and water, dye liquor is mixed with after stirring, wherein, the bath raio of dye liquor is 1:10, the volume ratio of second alcohol and water is 50%:50%, the concentration of ACID DYES is 5% of loose wool fiber weight, pretreated loose wool fiber is placed in dye liquor, the initial temperature of dye liquor is 40 DEG C, and then dye liquor is warming up to 90 DEG C to wool top dyeing with the heating rate of 3 DEG C/min, wherein, dyeing time is 30 minutes, after wool top has dyeed, through washing, soap, wash and drying, obtain finished product.
The experimental result of the embodiment of the present invention and employing pure water conventional dyeing process is as follows:
| Item compared | Colouring method of the present invention | Common staining method |
| K/S value | 22.587 | 14.966 |
| Powerful (CN) | 16.07 | 13.65 |
From experimental result correction data, dye to wool textile through the inventive method, its Color and brute force all improve.
Embodiment three:
By above-mentioned processing step: select wool yarn as textiles to be dyed, reactive dye for wool selected by dyestuff, acetic acid, non-ionic surface active agent are placed in the mixed liquor of second alcohol and water, pretreatment fluid is mixed with after stirring, wherein, the bath raio of pretreatment fluid is 1:10, and in pretreatment fluid, the volume ratio of second alcohol and water is 70%:30%, the pH of pretreatment fluid is 4, and the concentration of non-ionic surface active agent is 2g/L; Wool yarn to be dyed is placed in pretreatment fluid soak, after soaking, the liquid carrying rate of wool yarn is 70%; Reactive dye for wool is placed in the mixed liquor of second alcohol and water, dye liquor is mixed with after stirring, wherein, the bath raio of dye liquor is 1:20, the volume ratio of second alcohol and water is 70%:30%, the concentration of dyestuff is 3% of wool textile weight, wool yarn after pretreatment is placed in dye liquor, the initial temperature of dye liquor is 30 DEG C, and then dye liquor is warming up to 70 DEG C to wool yarn dyeing with the heating rate of 2 DEG C/min, wherein, dyeing time is 50 minutes, after wool yarn has dyeed, through washing, soap, wash and drying, obtain finished product.
The experimental result of the embodiment of the present invention and employing pure water conventional dyeing process is as follows:
| Item compared | Colouring method of the present invention | Common staining method |
| K/S value | 19.480 | 13.300 |
| Powerful (CN) | 25.01 | 18.16 |
From experimental result correction data, dye to wool textile through the inventive method, its Color and brute force all improve.
Embodiment four:
By above-mentioned processing step: select wool fabric as textiles to be dyed, ACID DYES selected by dyestuff, Acetic acid-sodium acetate, non-ionic surface active agent are placed in the mixed liquor of second alcohol and water, pretreatment fluid is mixed with after stirring, wherein, the bath raio of pretreatment fluid is 1:20, in pretreatment fluid, the volume ratio of second alcohol and water is 80%:20%, the pH of pretreatment fluid is 5, the concentration of non-ionic surface active agent is 3g/L, wool fabric to be dyed is placed in pretreatment fluid soak, after soaking, the liquid carrying rate of wool textile is 80%; ACID DYES is placed in the mixed liquor of second alcohol and water, dye liquor is mixed with after stirring, wherein, the bath raio of dye liquor is 1:30, the volume ratio of second alcohol and water is 80%:20%, the concentration of dyestuff is 3% of wool fabric weight, pretreated wool fabric is placed in dye liquor, the initial temperature of dye liquor is 35 DEG C, and then dye liquor is warming up to 80 DEG C to wool fabric dyeing with the heating rate of 2 DEG C/min, wherein, dyeing time is 40 minutes, after wool fabric dyeing is complete, through washing, soap, wash and drying, obtain finished product.
The experimental result of the embodiment of the present invention and employing pure water conventional dyeing process is as follows:
| Item compared | Colouring method of the present invention | Common staining method |
| K/S value | 20.235 | 17.586 |
| Powerful (CN) | 115.67 | 103.57 |
From experimental result correction data, dye to wool textile through the inventive method, its Color and brute force all improve.
Claims (4)
1. improve a low-temperature dyeing method for wool textile brute force, it is characterized in that: described colouring method carries out according to the following steps:
A prepares pretreatment fluid:
PH adjusting agent, non-ionic surface active agent are placed in the mixed liquor of second alcohol and water, pretreatment fluid is mixed with after stirring, wherein, the bath raio of pretreatment fluid is 1:5 ~ 1:30, in pretreatment fluid, the volume ratio of second alcohol and water is 95%:5% ~ 50%:50%, the pH of pretreatment fluid is 3 ~ 7, and the concentration of non-ionic surface active agent is 2 ~ 5g/L;
The preliminary treatment of b wool textile:
The pretreatment fluid be placed in by wool textile to be dyed through the preparation of a step soaks, and after soaking, the liquid carrying rate of wool textile is 50% ~ 100%;
C prepares dye liquor:
Dyestuff is placed in the mixed liquor of second alcohol and water, is mixed with dye liquor after stirring, wherein, the bath raio of dye liquor is 1:10 ~ 1:50, and the volume ratio of second alcohol and water is 95%:5% ~ 50%:50%, and the concentration of dyestuff is 0.1 ~ 5% of wool textile weight;
D dyes:
Wool textile after b step process is placed in the dye liquor of step c preparation, the initial temperature of dye liquor is 20 ~ 40 DEG C, then dye liquor is warming up to 60 ~ 90 DEG C with the heating rate of 1 ~ 3 DEG C/min and dyes to wool textile, wherein, dyeing time is 30 ~ 60 minutes, after wool textile has dyeed, through washing, soap, wash and drying, obtain finished product.
2. a kind of low-temperature dyeing method improving wool textile brute force as claimed in claim 1, is characterized in that: described pH adjusting agent is the one in acetic acid or Acetic acid-sodium acetate.
3. a kind of low-temperature dyeing method improving wool textile brute force as claimed in claim 1, is characterized in that: described wool textile is the one in loose wool fiber or wool top or wool yarn or wool fabric.
4. a kind of low-temperature dyeing method improving wool textile brute force as claimed in claim 1, is characterized in that: described dyestuff is the one in reactive dye for wool or ACID DYES.
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| CN104790228A (en) * | 2015-05-04 | 2015-07-22 | 苏州佳一纺织科技有限公司 | Low-temperature dyeing method of wool |
| CN104831558A (en) * | 2015-05-18 | 2015-08-12 | 江苏联宏纺织有限公司 | Low-temperature raccoon hair fiber dyeing process |
| CN105484075A (en) * | 2015-12-18 | 2016-04-13 | 桐乡市濮院羊毛衫职业技术学校 | Wool dyeing treatment technology |
| CN106758394B (en) * | 2016-12-15 | 2019-05-28 | 武汉纺织大学 | A method of improving warp thread pigment dyeing effect |
| CN106758395A (en) * | 2017-01-09 | 2017-05-31 | 刘正信 | A kind of multifunctional low-temperature dyeing assistant and colouring method |
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| CN109537322A (en) * | 2018-12-04 | 2019-03-29 | 山东如意科技集团有限公司 | A kind of ethanol-water system salt-free dyeing technique |
| CN111287008B (en) * | 2018-12-06 | 2022-05-13 | 江苏丹毛纺织股份有限公司 | Full-process low-temperature pressurized wool dyeing process |
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