CN103469627A - Low-temperature dyeing method capable of improving strength of wool textile - Google Patents
Low-temperature dyeing method capable of improving strength of wool textile Download PDFInfo
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Abstract
The invention relates to a low-temperature dyeing method capable of improving strength of a wool textile and belongs to the field of textile printing, dyeing and finishing. According to the low-temperature dyeing method, a dyeing liquid and a dyeing technology route are changed, and the wool textile with a pre-treating liquid is dyed at low temperature in the dying liquid which is formed by mixing high-proportion ethanol, a small amount of water and dyes. The method is capable of reducing the strength loss of wool and enhancing the utilization rate and the dye-uptake rate of the dye, thus the wool textile has a good level-dyeing property, and both luster and wearability can be improved; in addition, the use amount of water in the dyeing technology of the wool textile can be reduced, and the use amounts of auxiliaries are effectively reduced. The method is simple in technology and low in cost; besides, since ethanol can be recycled, the method is safe, energy-saving, economical and environment-friendly.
Description
Technical field
The present invention relates to a kind of low-temperature dyeing method that improves wool textile product brute force, belong to the textile printing and dyeing manufacture field.
Background technology
Traditional woolen dyed in, in order to obtain level-dyeing property preferably, and make dyestuff penetration to fibrous inside, be all generally in the dye liquor boiling or approach under fluidized state and continue dyeing for a long time by wool fibre.Restriction due to dyestuff and equipment, woolen dyed pH value scope is generally 2～7, the dyeing completed under traditional so long-time high temperature boils the condition of boiling can make the loss of wool generation various ways, the particularly loss of wool fibre brute force, production efficiency and output have not only been reduced, and affect feel and the vividness of dyeing, finally even have influence on the quality and performance of product.
Therefore, along with scientific and technical progress and the needs of wool product, some colouring methods that reduce the wool strength loss have become the emphasis of research.
Open magazine " Qiqihar University's journal ", November the 24th 2008 publication date, volume the 6th phase name was called in " research of wool fibre dyeability " a kind of low temperature dyeing of wool method of having mentioned, the method adopts acid protease to process and the same low temperature dyeing of carrying out of bathing wool of dyeing, can reduce the loss to wool.But its weak point is that the method need to carry out Protease Treatment to wool, complex process and cost are higher.
Open magazine " printing and dyeing ", the 10th phase name was called in " the cold dyeing that flocks together of wool REACTIVE DYES " and mentioned 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 to a certain extent the loss of wool brute force.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 was called in " novel ecological low damage superfine wool process technology " a kind of method to superfine wool processing of having mentioned, the method adopts low temperature and the processing technology of short time, can reduce to a certain extent the loss of wool brute force.But the method only limits to technique itself, 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 mentioned low temperature dyeing of wool in " rare earth chloride is the application in low temperature dyeing of wool in conjunction with redox system " method, the method adopts thiocarbamide-hydrogen peroxide oxidation reduction system and rare earth chloride one to work the low temperature of wool is dyed, although can reduce to a certain extent the damage of wool brute force.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 carries out to wool the method that modification is dyeed again with ionic liquid, really play the method that reduces the 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 that adds Oxidizing and Reducing Agents when dyeing that it adopts realizes the low temperature dyeing of wool really, its weak point is the damage of the to a certain degree not lower reduction of the method to the wool brute force.
Summary of the invention
For the problems referred to above, in order to reduce wool powerful loss and consumption of water in dyeing course, the object of the present invention is to provide a kind ofly will be placed in the wool textile product of pretreatment fluid 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:
A kind of low-temperature dyeing method that improves wool textile product 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 to the mixed liquor of second alcohol and water, be mixed with pretreatment fluid 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 product:
The pretreatment fluid that wool textile product to be dyeed are placed in through the preparation of a step soaks, and after soaking, the liquid carrying rate of wool textile product is 50%～100%;
C prepares dye liquor:
Dyestuff is placed in to the mixed liquor of second alcohol and water, after stirring, is mixed with dye liquor, 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 product weight;
D dyeing:
Wool textile product after the b step process are placed in to the dye liquor of c step preparation, the initial temperature of dye liquor is 20～40 ℃, then dye liquor is warming up to 60～90 ℃ with the heating rate of 1～3 ℃/minute the wool textile product is dyeed, wherein, dyeing time is 30～60 minutes, after the wool textile product have dyeed, through washing, soap, wash and drying, obtain finished product.
Described pH adjusting agent is a kind of in acetic acid or acetic acid-sodium acetate.
Described wool textile product are a kind of in loose wool fiber or wool top or wool yarn or wool fabric.
Described dyestuff is a kind of in reactive dye for wool or ACID DYES.
Owing to having adopted above technical scheme, technical characterstic of the present invention is: technical scheme of the present invention has changed preparation and the dyeing route of dye liquor, employing will be placed in the wool textile product of pretreatment fluid the method that dye liquor that ethanol at high proportion and a small amount of water and dyestuff mixes carries out low temperature dyeing, after the wool textile product are processed with acid and the pretreatment fluid of ethanol at high proportion and a small amount of water, containing a large amount of amino and carboxyl on the macromolecular chain of wool fibre can occur from solution at fiber surface, forms amphion
+h
3n-F-COO
-, now, it is acid that wool fibre is, and when being acid wool textile product and being placed in that the dye liquor of ethanol and water dyes at high proportion, along with the variation of wool fibre pH value, dyestuff can dye on the combination of ionic bond and hydrogen bond with wool fibre.In addition, due to the existence of ethanol at high proportion in dye liquor, make the concentration of dyestuff sharply increase, after dyestuff adsorbs on fiber, also make the entropy in the dye liquor system that variation has occurred, and the hydrophobic part in dye molecule can increase " class ice " structure of a small amount of hydrone in solution, thereby increase the chemical potential of dyestuff ion in the dye liquor of ethanol and water at high proportion, improve the affinity of dying on the dyestuff, thereby improved dye-uptake.Because the boiling point of the dye liquor of ethanol and water at high proportion is low than water, when the temperature of dye liquor reaches boiling point, because temperature is lower, the wool colloid in wool fibre can't be separated from fiber, so the loss of wool brute force reduces greatly.Moreover, because pretreatment fluid and dye liquor all are comprised of a high proportion of ethanol, so the water consumption in dyeing course reduces greatly, saved resource.
The low-temperature dyeing method that improves the wool brute force of the present invention, in the low temperature dyeing process of wool textile product, not only can reduce the loss of wool brute force, improve utilization rate and the dye-uptake of dyestuff, wool textile product good level-dyeing property, reflecting feel and take performance and all make moderate progress, and can reduce the water consumption in wool textile product 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.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is specifically described.
A kind of low-temperature dyeing method that improves wool textile product brute force, wool textile product to be dyeed are a kind of in loose wool fiber or wool top or wool yarn or wool fabric.Improving powerful low-temperature dyeing method carries out according to the following steps:
A prepares pretreatment fluid:
PH adjusting agent, non-ionic surface active agent are placed in to the mixed liquor of second alcohol and water, be mixed with pretreatment fluid 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 a kind of in acetic acid or acetic acid-sodium acetate;
The preliminary treatment of b wool textile product:
The pretreatment fluid that wool textile product to be dyeed are placed in through the preparation of a step soaks, and after soaking, the liquid carrying rate of wool textile product is 50%～100%;
C prepares dye liquor:
Dyestuff is placed in to the mixed liquor of second alcohol and water, be mixed with dye liquor 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 product weight, and dyestuff is a kind of in reactive dye for wool or ACID DYES;
D dyeing:
Wool textile product after the b step process are placed in to the dye liquor of c step preparation, the initial temperature of dye liquor is 20～40 ℃, then dye liquor is warming up to 60～90 ℃ with the heating rate of 1～3 ℃/minute the wool textile product is dyeed, wherein, dyeing time is 30～60 minutes, after the wool textile product have dyeed, through washing, soap, wash and drying, obtain finished product.
Specific embodiment
Embodiment mono-:
By above-mentioned processing step: select loose wool fiber as textiles to be dyeed, dyestuff is elected reactive dye for wool as.Acetic acid, non-ionic surface active agent are placed in to 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 dyeed is placed in to pretreatment fluid and soaks, after soaking, the liquid carrying rate of wool textile product is 100%; Reactive dye for wool is placed in to the mixed liquor of second alcohol and water, after stirring, is mixed with dye liquor, 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 to dye liquor, the initial temperature of dye liquor is 20 ℃, then dye liquor is warming up to 60 ℃ with the heating rate of 1 ℃/minute loose wool fiber is dyeed, 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 normal dyeing technique is as follows:
| Item compared | Colouring method of the present invention | The normal dyeing method |
| The K/S value | 18.577 | 16.754 |
| Powerful (CN) | 18.98 | 12.20 |
From the experimental result correction data, through the inventive method, the wool textile product are dyeed, its Color and brute force all improve.
Embodiment bis-:
By above-mentioned processing step: select wool top as textiles to be dyeed, dyestuff is selected ACID DYES.Acetic acid-sodium acetate is placed in to the mixed liquor of second alcohol and water, be mixed with pretreatment fluid 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 dyeed is placed in to pretreatment fluid and soaks, and after soaking, the liquid carrying rate of wool top is 50%; ACID DYES is placed in to the mixed liquor of second alcohol and water, be mixed with dye liquor 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 to dye liquor, the initial temperature of dye liquor is 40 ℃, and then dye liquor is warming up to 90 ℃ to wool top dyeing, wherein with the heating rate of 3 ℃/minute, 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 normal dyeing technique is as follows:
| Item compared | Colouring method of the present invention | The normal dyeing method |
| The K/S value | 22.587 | 14.966 |
| Powerful (CN) | 16.07 | 13.65 |
From the experimental result correction data, through the inventive method, the wool textile product are dyeed, its Color and brute force all improve.
Embodiment tri-:
By above-mentioned processing step: select wool yarn as textiles to be dyeed, dyestuff is selected reactive dye for wool, acetic acid, non-ionic surface active agent are placed in to the mixed liquor of second alcohol and water, be mixed with pretreatment fluid 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 dyeed is placed in to pretreatment fluid and soaks, after soaking, the liquid carrying rate of wool yarn is 70%; Reactive dye for wool is placed in to the mixed liquor of second alcohol and water, be mixed with dye liquor 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 product weight, wool yarn after pretreatment is placed in to dye liquor, the initial temperature of dye liquor is 30 ℃, and then dye liquor is warming up to 70 ℃ to wool yarn dyeing, wherein with the heating rate of 2 ℃/minute, 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 normal dyeing technique is as follows:
| Item compared | Colouring method of the present invention | The normal dyeing method |
| The K/S value | 19.480 | 13.300 |
| Powerful (CN) | 25.01 | 18.16 |
From the experimental result correction data, through the inventive method, the wool textile product are dyeed, its Color and brute force all improve.
Embodiment tetra-:
By above-mentioned processing step: select wool fabric as textiles to be dyeed, dyestuff is selected ACID DYES, acetic acid-sodium acetate, non-ionic surface active agent are placed in to the mixed liquor of second alcohol and water, be mixed with pretreatment fluid 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 dyeed is placed in to pretreatment fluid and soaks, after soaking, the liquid carrying rate of wool textile product is 80%; ACID DYES is placed in to the mixed liquor of second alcohol and water, be mixed with dye liquor 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 to dye liquor, the initial temperature of dye liquor is 35 ℃, and then dye liquor is warming up to 80 ℃ to wool fabric dyeing, wherein with the heating rate of 2 ℃/minute, 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 normal dyeing technique is as follows:
| Item compared | Colouring method of the present invention | The normal dyeing method |
| The K/S value | 20.235 | 17.586 |
| Powerful (CN) | 115.67 | 103.57 |
From the experimental result correction data, through the inventive method, the wool textile product are dyeed, its Color and brute force all improve.
Claims (4)
1. a low-temperature dyeing method that improves wool textile product 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 to the mixed liquor of second alcohol and water, be mixed with pretreatment fluid 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 product:
The pretreatment fluid that wool textile product to be dyeed are placed in through the preparation of a step soaks, and after soaking, the liquid carrying rate of wool textile product is 50%～100%;
C prepares dye liquor:
Dyestuff is placed in to the mixed liquor of second alcohol and water, after stirring, is mixed with dye liquor, 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 product weight;
D dyeing:
Wool textile product after the b step process are placed in to the dye liquor of c step preparation, the initial temperature of dye liquor is 20～40 ℃, then dye liquor is warming up to 60～90 ℃ with the heating rate of 1～3 ℃/minute the wool textile product is dyeed, wherein, dyeing time is 30～60 minutes, after the wool textile product have dyeed, through washing, soap, wash and drying, obtain finished product.
2. a kind of low-temperature dyeing method that improves wool textile product brute force as claimed in claim 1 is characterized in that: described pH adjusting agent is a kind of in acetic acid or acetic acid-sodium acetate.
3. a kind of low-temperature dyeing method that improves wool textile product brute force as claimed in claim 1 is characterized in that: described wool textile product are a kind of in loose wool fiber or wool top or wool yarn or wool fabric.
4. a kind of low-temperature dyeing method that improves wool textile product brute force as claimed in claim 1 is characterized in that: described dyestuff is a kind of in reactive dye for wool or ACID DYES.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104018368A (en) * | 2014-05-26 | 2014-09-03 | 嘉兴职业技术学院 | Low temperature wool dyeing method |
| 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 |
| CN106758394A (en) * | 2016-12-15 | 2017-05-31 | 武汉纺织大学 | A kind of method for 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 |
| CN108360274A (en) * | 2018-03-26 | 2018-08-03 | 陕西理工大学 | A kind of colouring method of wool fiber |
| CN110195359A (en) * | 2018-12-04 | 2019-09-03 | 山东如意科技集团有限公司 | A kind of ethyl alcohol salt-free dyeing technique |
| CN111287008A (en) * | 2018-12-06 | 2020-06-16 | 江苏丹毛纺织股份有限公司 | Full-flow low-temperature pressurized wool dyeing process |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106087488A (en) * | 2016-06-23 | 2016-11-09 | 无锡市金五星针纺有限公司 | A kind of method improving textile pad dyeing degree of fixation |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018368A (en) * | 2014-05-26 | 2014-09-03 | 嘉兴职业技术学院 | Low temperature wool dyeing method |
| 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 |
| CN106758394A (en) * | 2016-12-15 | 2017-05-31 | 武汉纺织大学 | A kind of method for improving warp thread pigment dyeing effect |
| 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 |
| CN108360274A (en) * | 2018-03-26 | 2018-08-03 | 陕西理工大学 | A kind of colouring method of wool fiber |
| CN110195359A (en) * | 2018-12-04 | 2019-09-03 | 山东如意科技集团有限公司 | A kind of ethyl alcohol salt-free dyeing technique |
| CN111287008A (en) * | 2018-12-06 | 2020-06-16 | 江苏丹毛纺织股份有限公司 | Full-flow low-temperature pressurized wool dyeing process |
| 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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Inventor after: Xu Weilin Inventor after: Xia Liangjun Inventor after: Cheng Shan Inventor after: Ding Cailing Inventor after: Yang Aiguo Inventor after: Qin Guang Inventor after: Liu Xiaofei Inventor before: Xu Weilin Inventor before: Xia Liangjun Inventor before: Cheng Shan |
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Effective date of registration: 20170324 Address after: 430200 Jiangxia City, Wuhan province sunshine road, No. 1, Patentee after: Wuhan Textile University Patentee after: Shandong Ruyi Technology Group Co.,Ltd. Address before: 430073 Jiangxia City, Wuhan province sunshine road, No. 1, Patentee before: Wuhan Textile University |
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