CN101942769B - Method for rapidly dyeing wool with mordant dyes - Google Patents
Method for rapidly dyeing wool with mordant dyes Download PDFInfo
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- CN101942769B CN101942769B CN2010102867802A CN201010286780A CN101942769B CN 101942769 B CN101942769 B CN 101942769B CN 2010102867802 A CN2010102867802 A CN 2010102867802A CN 201010286780 A CN201010286780 A CN 201010286780A CN 101942769 B CN101942769 B CN 101942769B
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Abstract
The invention relates to a method for rapidly dyeing wool with mordant dyes, comprising the following steps: preparing dyeing, adding low-temperature rapid dyeing assistants and dyes, raising temperature rapidly, carrying out dyeing at low temperature, adding mordants and formic acid without lowering temperature, carrying out mordanting at low temperature and carrying out aftertreatment and taking the wool out of the tank. In the invention, rapid temperature raising, lower dyeing temperature and the method of adding mordants without lowering temperature realize low-temperature rapid dyeing with mordant dyes by after-chrome dyeing. Compared with the traditional after-chrome dyeing method with mordant dyes, the method has the following advantages: fiber damage is lowered, the handfeel is good, the luster is bright, the yarn spinnability is improved, the color fastness conforms to the quality requirement of wool top dyeing color fastness and the dyeing time is shortened by 30-50%; and the method greatly reduces water, electricity, steam and labor consumption, improves the labor productivity and conforms to the requirement for low carbon economy.
Description
Technical field
The present invention relates to mordant dyes to woolen dyed technical field, specifically is a kind of low temperature, quick, energy-conservation and wool rapid dyeing methods mordant dyes efficiently.
Background technology
Mordant dyes are to the dyeing of wool, and color and luster is even, and COLOR FASTNESS is good, and cost of dye is low, are in the woollen mill, dark woolen dyed common dyes.What its colouring method was the widest is to adopt back matchmaker's method.But currently used mordant dyes are to the back dyeing of wool, and programming rate is slow, need 98-100 ℃ of dyeing and 98-100 ℃ of mordant dyeing, and dyeing need to finish to add after the cooling mordant mordant dyeing that heats up again, the time speciality, and the wool damage is big, big energy-consuming, efficient is low.The method that the low temperature dyeing of matchmaker's method behind the mordant dyes is arranged by retrieval, speed is fast slightly, and it adopts low temperature dyeing, but its programming rate is slow, and dyeing adds mordant after still need lowering the temperature after finishing again and heats up and carry out mordant dyeing, or dyeing will discharge water again after finishing, and water inlet adds mordant dyeings such as mordant again.For this reason, it is long that its dyeing still can not overcome dyeing time well, big energy-consuming, inefficient defective.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of low temperature, quick, energy-conservation and wool rapid dyeing methods mordant dyes efficiently.
In order to solve the problems of the technologies described above, the invention provides a kind of wool rapid dyeing method of mordant dyes, comprising: following steps:
1., dyeing is prepared: wool tops or cloth are entered dye vat, add water, heating up keeps 35-40 ℃ of temperature;
2., add low temperature rapid dyeing auxiliary agent and mordant dyes: add low temperature rate accelerating material 1.5-3g/L, add acetic acid, add mordant dyes again to regulate the pH value to 3.8-4.5; Described low temperature rate accelerating material is the mixture of sphingomyelins and isomery alcohol, and the mass ratio of its sphingomyelins and isomery alcohol is 6: 4 to 8: 2, turns round 5-15 minute;
3., be rapidly heated:, make the dye vat water temperature be raised to 70-90 ℃ with 1.5-3.0 ℃ of/minute programming rate;
4., low temperature dyeing: when above-mentioned dye vat water temperature is raised to 70-90 ℃, kept this temperature 20-30 minute, add the acid or glacial acetic acid of 0-1g/L again, kept 10-30 minute in this temperature;
5., do not lower the temperature and add mordant and formic acid: keep the dye vat water temperature 70-90 ℃ temperature, the sodium dichromate or the arsenic potassium that add the 1-1.5% of described wool tops or cloth quality, kept temperature 5-10 minute, and added the formic acid adjust pH to 3.8-4.0, to carry out the mordant dyeing of mordant dyes;
6., low temperature mordant dyeing: in the time of low temperature 70-90 ℃, kept temperature 30-50 minute, to realize the mordant dyeing of mordant dyes.
Described step also has post-processing step: keep the dye vat water temperature at 70-90 ℃, add the nature of soap lotion of the 2-3% of described wool tops or cloth quality after 6. the low temperature mordant dyeing finishes, add soda ash or ammoniacal liquor then, to 8-9, kept temperature 15-25 minute with adjust pH, so that the wool after the dyeing is washed.Spilling water cools to 40 ℃ again, and flushing adds the acetic acid neutralization, goes out cylinder at last.
Technique scheme of the present invention has the following advantages compared to existing technology: the wool rapid dyeing method of mordant dyes of the present invention adds low temperature rate accelerating material and above-mentioned dyeing owing to having adopted, therefore it is suitable for adopting programming rate faster, and make the temperature of dyeing, mordant dyeing, post-treating and other steps lower, and the temperature that always remains unchanged, therefore than the wool back dyeing of traditional mordant dyes, fibre damage is little, good hand touch, gloss is bright, the spinning spinnability improves, COLOR FASTNESS meets woolen dyed fastness quality requirement, and dyeing time has shortened 30-50%; Temperature is lower during dyeing, greatly reduces water, electricity, vapour and artificial consumption, has improved labor productivity, meets the requirement of low-carbon economy.
The specific embodiment
Embodiment 1:
It is that the Australian wool of 18.5um dyes to fineness that present embodiment adopts mordant dyes, and its process is as follows: the ball top dye vat of packing into, water inlet, be warmed up to 40 ℃, add low temperature rapid dyeing auxiliary agent and mordant dyes, turned round 10 minutes, heat up 3.0 ℃/minute, be warmed up to 90 ℃, be incubated 25 minutes, add acid or glacial acetic acid 1.0g/L, be incubated 20 minutes, add 1.5% sodium dichromate or arsenic potassium of described ball top quality, be incubated 10 minutes, add formic acid adjust pH 3.8, be incubated 50 minutes, add 3.0% lotion of described ball top quality, add soda ash or soda ash then, with adjust pH to 9.0, be incubated 25 minutes, spilling water cools to 40 ℃, clean, add the acetic acid neutralization, turned round 10 minutes, go out cylinder.
Above-mentioned add low temperature rapid dyeing auxiliary agent and the mordant dyes step is: adding low temperature rate accelerating material 3.0g/L (is in the dye vat, add low temperature rate accelerating material 3.0g in every premium on currency, the mass ratio of its sphingomyelins and isomery alcohol is 7: 3), with vinegar acid for adjusting pH value 3.8, Mordant Black WPN:4.5%, medium red S-80:0.3%, the yellow GG:0.2% of media.
Embodiment 2:
It is that the Australian wool of 17.5um dyes to fineness that present embodiment adopts mordant dyes, its process is as follows: the ball top dye vat of packing into, and water inlet is warmed up to 38 ℃, add low temperature rapid dyeing auxiliary agent and mordant dyes, turned round 5 minutes, and heated up 2.0 ℃/minute, be warmed up to 80 ℃, be incubated 30 minutes, add acid or glacial acetic acid 0.5g/L, be incubated 10 minutes, add 1.3% sodium dichromate or arsenic potassium of described ball top quality, be incubated 8 minutes, add formic acid adjust pH 3.9, be incubated 40 minutes, add nature of soap lotion: 2.5% of described ball top quality, add ammoniacal liquor or soda ash then, with adjust pH to 8.5, be incubated 20 minutes, spilling water is cooled to 40 ℃, clean, add the acetic acid neutralization, turned round 10 minutes, go out cylinder.
Above-mentioned add low temperature rapid dyeing auxiliary agent and the mordant dyes step is: add low temperature rate accelerating material: 2.0g/L (mass ratio of its sphingomyelins and isomery alcohol is 6: 4), with vinegar acid for adjusting pH value 4, the dark blue RRN of Mordant Black: 2.5% of described ball top quality, medium red S-80: 0.2% of described ball top quality, the yellow GG of media: 0.1% of described ball top quality.
Embodiment 3:
Present embodiment adopts mordant dyes that wool cloth is dyeed, and its process is as follows: the cloth dye vat of packing into, water inlet, be warmed up to 35 ℃, add low temperature rapid dyeing auxiliary agent and mordant dyes, turned round 15 minutes, heat up 1.5 ℃/minute, be warmed up to 70 ℃, be incubated 20 minutes, add acid or glacial acetic acid 0g/L, be incubated 30 minutes, add sodium dichromate or arsenic potassium: 1.0% of described cloth quality, be incubated 5 minutes, add formic acid adjust pH to 4.0, be incubated 30 minutes, add nature of soap lotion: 2% of described cloth quality, add ammoniacal liquor or soda ash then, with adjust pH to 8, be incubated 15 minutes, spilling water is cooled to 40 ℃, clean, add the acetic acid neutralization, turned round 10 minutes, go out cylinder.
Above-mentioned add low temperature rapid dyeing auxiliary agent and the mordant dyes step is: add low temperature rate accelerating material: 1.5g/L (mass ratio of its sphingomyelins and isomery alcohol is 8: 2), with vinegar acid for adjusting pH value to 4.5, adding mordant dyes is: the yellow GG of media: 1.0% of described ball top quality, medium red S-80: 0.8% of described ball top quality, media are floated blue B:0.5%.
The present invention can also have other embodiments, looks the difference that raw material, color, COLOR FASTNESS etc. require, and adjusts dyeing, in this not statement one by one.
Claims (2)
1. the wool rapid dyeing method of mordant dyes is characterized in that may further comprise the steps successively:
1., dyeing is prepared: wool tops or cloth are entered dye vat, add water, heating up keeps 35-40 ℃ of temperature;
2., add low temperature rapid dyeing auxiliary agent and mordant dyes: add low temperature rate accelerating material 1.5-3g/L, add acetic acid, add mordant dyes again to regulate the pH value to 3.8-4.5; Described low temperature rate accelerating material is the mixture of sphingomyelins and isomery alcohol, and the mass ratio of its sphingomyelins and isomery alcohol is 6: 4 to 8: 2, turns round 5-15 minute;
3., be rapidly heated:, make the dye vat water temperature be raised to 70-90 ℃ with 1.5-3.0 ℃ of/minute programming rate;
4., low temperature dyeing: when above-mentioned dye vat water temperature is raised to 70-90 ℃, kept this temperature 20-30 minute, add the acid or glacial acetic acid of 0-1g/L again, kept 10-30 minute in this temperature;
5., do not lower the temperature and add mordant and formic acid: keep the dye vat water temperature 70-90 ℃ temperature, the sodium dichromate or the arsenic potassium that add the 1-1.5% of described wool tops or cloth quality, kept temperature 5-10 minute, and added the formic acid adjust pH to 3.8-4.0, to carry out the mordant dyeing of mordant dyes;
6., low temperature mordant dyeing: in the time of low temperature 70-90 ℃, kept temperature 30-50 minute, to realize the mordant dyeing of mordant dyes.
2. the wool rapid dyeing method of mordant dyes according to claim 1 is characterized in that: described step also has post-processing step after 6. the low temperature mordant dyeing finishes:
Keep the dye vat water temperature at 70-90 ℃, add the nature of soap lotion of the 2-3% of described wool tops or cloth quality, add soda ash or ammoniacal liquor then, with adjust pH to 8-9, kept temperature 15-25 minute, so that the wool after the dyeing is washed, spilling water cools to 40 ℃ again, flushing adds the acetic acid neutralization, goes out cylinder at last.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828330A (en) * | 2012-09-17 | 2012-12-19 | 江苏丹毛纺织股份有限公司 | Production method of all-wool yarn knitted fabric |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102206923B (en) * | 2011-04-02 | 2013-06-26 | 西安工程大学 | Method for dyeing wool fibres by using acidic mordant dye |
| CN102206924B (en) * | 2011-04-21 | 2012-12-19 | 上海嘉麟杰纺织品股份有限公司 | Dyeing method of wool textile with low energy consumption and low damage and wool fabric |
| CN102230259A (en) * | 2011-06-16 | 2011-11-02 | 宁波康赛妮毛绒制品有限公司 | Quick cashmere dyeing method |
| CN104073944B (en) * | 2014-06-20 | 2016-05-18 | 天津市藏原地毯有限公司 | A kind of Tibetan is the preparation method of composite yarn |
| CN108547032A (en) * | 2014-09-23 | 2018-09-18 | 江苏丹毛纺织股份有限公司 | A kind of preparation method of the heat storing and heat preserving worsted fabric of promotion blood circulation of human body |
| CN108893832A (en) * | 2018-07-20 | 2018-11-27 | 江苏丹毛纺织股份有限公司 | A kind of seven glory wool worsted light fabric production methods |
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| CN1030105A (en) * | 1987-06-26 | 1989-01-04 | 嘉兴第四毛纺织厂 | The low-temperature dyeing method of wool |
| JPH0382879A (en) * | 1989-08-28 | 1991-04-08 | Kurabo Ind Ltd | Method for dyeing wool fiber product |
| JPH073034B2 (en) * | 1992-09-18 | 1995-01-18 | バイエル株式会社 | Uniform dyeing method for wool fiber materials |
| CN101736614A (en) * | 2009-12-24 | 2010-06-16 | 江南大学 | Method of low-temperature dyeing for wool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102828330A (en) * | 2012-09-17 | 2012-12-19 | 江苏丹毛纺织股份有限公司 | Production method of all-wool yarn knitted fabric |
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