CN112981988A - Wool dyeing method of madder plant dye - Google Patents
Wool dyeing method of madder plant dye Download PDFInfo
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- CN112981988A CN112981988A CN202110245594.2A CN202110245594A CN112981988A CN 112981988 A CN112981988 A CN 112981988A CN 202110245594 A CN202110245594 A CN 202110245594A CN 112981988 A CN112981988 A CN 112981988A
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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
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/34—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using natural dyestuffs
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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
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- 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
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/14—Wool
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- Textile Engineering (AREA)
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Abstract
The invention is applicable to the field of fabric dyeing, and provides a wool dyeing method of madder vegetable dye, which comprises the following steps: preparing a dye solution; putting the wool fabric into proper hot water, and putting a small amount of washing liquid for washing for 10-20 min; preparing a mordant liquid agent; putting the wool fabric into the dye solution A for dyeing for 8-12 minutes, continuously stirring by using a stirring rod during the dyeing process to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into a container after dyeing is finished and heating to 90 ℃ for heat preservation for later use; putting the fabric subjected to dip dyeing into a mordant liquid B prepared in advance, and carrying out mordant dyeing for 10-20 minutes; washing and dehydrating the fabric subjected to mordant dyeing, and then putting the fabric into the dye liquor A for dip dyeing for 8-12 minutes; after repeated dip dyeing, post-treatment is carried out; according to the wool dyeing method of the madder plant dye provided by the embodiment of the invention, the obtained wool tops have good color fastness, the process is environment-friendly, the environment is not polluted, and the dyed wool tops have certain antibacterial property and health care function.
Description
Technical Field
The invention belongs to the field of fabric dyeing, and particularly relates to a wool dyeing method of madder vegetable dye.
Background
For many years, the wool industry has been using acid mordant dyes. Hazards of acid mordant dyes include: pollution of hexavalent chromium ions in the dyeing wastewater to the environment; secondly, extractable chromium ions exist on the dyed fiber, which has serious harm to human body; thirdly, the dyed waste prevents the pollution of the waste materials to the environment. When used for dyeing wool, hexavalent chromium ions must be reduced to trivalent chromium ions to complex with the dye. In the oxidation-reduction process, wool is seriously damaged, and as a result, the strength of wool fibers is reduced, the color is yellowish, the spinnability is greatly reduced, the yarn quality is reduced, the weaving end breakage rate is further increased, the surface defects of fabrics are increased, the quality is reduced, and even heavy burden is brought to fabric repair.
Madder belongs to perennial herb, has medicinal value and has the main effects of cooling blood, activating blood, removing blood stasis, stimulating the menstrual flow and stopping bleeding. Mouse experiments show that the cyclohexapeptide compound contained in madder root has obvious curative effect on mouse lymphoblastic leukemia P388, and 20 percent of madder preparation fed to mice can prevent the formation of experimental kidney and bladder calculi and has inhibiting effect on the formation of calcium carbonate calculi. In vitro test shows that the madder root water extract has inhibitory effect on Staphylococcus aureus, Streptococcus pneumoniae, Bacillus influenzae and part of dermatomycosis. Madder is a long-history plant mordant dye, and the wool dyed by madder can obtain red with different hues from brick red to dark red.
Therefore, a wool dyeing method of madder plant dye is provided.
Disclosure of Invention
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention is realized in such a way that the wool dyeing method of the madder vegetable dye comprises the following steps:
1) preparing a dye solution: soaking the roots of the west grass in a glass beaker for 4-8 minutes by using clear water, washing off dust on the surface of the madder, draining, cutting into pieces, soaking the madder 2 times the weight of the wool fabric in 50-70L of hot water for 8-12 minutes, adding an acid agent into 250-320L of warm water to ensure that the pH is less than 6, soaking the madder in the warm water after uniformly stirring, heating to boiling, keeping the temperature for 20 minutes, discarding the first dyeing solution obtained by filtering the mixture by using non-woven fabrics, and repeating the steps to obtain a second dyeing solution serving as a dyeing solution A for later use;
2) pretreatment: putting the wool fabric into proper hot water, and putting a small amount of washing liquid for washing for 10-20 min;
3) preparing a mordant liquid agent: adding 100L of warm water into a stainless steel container, adding 250-300g of alum weighed in advance, heating until the alum is fully dissolved, and then adding 220L of water of 150-to prepare mordant liquid B;
4) dip dyeing: putting the wool fabric into the dye solution A for dyeing for 8-12 minutes, continuously stirring by using a stirring rod during the dyeing process to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into a container after dyeing is finished and heating to 90 ℃ for heat preservation for later use;
5) mordant dyeing: putting the fabric subjected to dip dyeing into a mordant liquid B prepared in advance, and carrying out mordant dyeing for 10-20 minutes;
6) washing with water: washing and dehydrating the fabric subjected to mordant dyeing, and then putting the fabric into the dye liquor A for dip dyeing for 8-12 minutes;
7) and (3) dip dyeing again: repeating the step 4);
8) and (3) post-treatment: and fully washing the dyed fabric with water and then drying.
As a further scheme of the invention: in the step 1), the roots of the west grass are placed in a glass beaker and soaked for 5 minutes in clear water, the roots of the west grass are cut into pieces after being drained, the madder is placed in 60L of hot water to be soaked and washed for 10 minutes, an acid agent is taken out and added into 280L of warm water to enable the pH to be less than 6, the madder is soaked in the heated madder after being uniformly stirred, the temperature is kept for 20 minutes after the madder is heated to be boiled, the first dyeing solution obtained by filtering the madder with non-woven fabrics is discarded, and the second dyeing solution is obtained by repeating the steps and is used as the dyeing solution A for later use.
As a further scheme of the invention: in the step 1), the temperature of the warm water is 40-50 ℃.
As a further scheme of the invention: in the step 1), the acid agent is white vinegar.
As a further scheme of the invention: in the step 2), the temperature of the hot water is 70-80 ℃; and the washing adopts a soap solution wool washing method: kneading the soap solution with concentration of 0.2%, temperature of 45-55 deg.C and pH of 9-10 for 20min, and cleaning with clear water.
As a further scheme of the invention: in the step 3), 100L of warm water is added into a stainless steel container, 280g of alum weighed in advance is added, the mixture is heated until the alum is fully dissolved, and then 180L of water is added to prepare the mordant liquid.
As a further scheme of the invention: and 5) putting the fabric subjected to dip dyeing into a pre-prepared mordant dyeing liquid, and continuously stirring by using a stirring rod during the process to ensure that the dyeing liquid is fully contacted with the fabric, and finishing dyeing for 15 minutes.
As a further scheme of the invention: and 6), washing and dehydrating the fabric subjected to mordant dyeing twice, and then putting the fabric into the dye liquor A for dip dyeing for 10 minutes.
As a further scheme of the invention: and 8), fully washing the dyed fabric for four times, and then drying.
According to the wool dyeing method of the madder plant dye provided by the embodiment of the invention, the obtained wool tops have good color fastness, the process is environment-friendly, the environment is not polluted, and the dyed wool tops have certain antibacterial property and health care function.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical effects of the wool dyeing method using madder plant dye according to the present invention will be further described with reference to the following specific examples, but the specific implementation methods mentioned in these examples are only illustrative and explanatory of the technical solution of the present invention, and do not limit the implementation scope of the present invention, and all modifications and substitutions based on the above principles should be within the protection scope of the present invention.
Example 1
Soaking roots of the west grass in a glass beaker for 7 minutes by using clear water, washing off dust on the surface of the madder, draining, cutting into pieces, soaking the madder 2 times the weight of the wool fabric in 65L of hot water for 11 minutes, adding white vinegar into 310L of warm water at the temperature of 50 ℃ to ensure that the pH is less than 6, uniformly stirring, soaking the madder in the mixture, heating to boil, keeping the temperature for 20 minutes, pouring off a first dye solution obtained by filtering the mixture by using non-woven fabrics, and repeating the steps to obtain a second dye solution serving as a dye solution A for later use; putting the wool fabric into proper hot water, putting a small amount of washing liquid into the hot water, washing for 18min, and adopting a soap liquid wool washing method: kneading for 20 minutes at the soap liquid concentration of 0.2 percent and the temperature of 50 ℃ and the pH value of 9, and then cleaning with clear water; adding 100L of warm water into a stainless steel container, adding 280g of alum weighed in advance, heating until the alum is fully dissolved, and then adding 210L of water to prepare mordant liquid B; putting the wool fabric into the dye solution A for dyeing for 11 minutes, continuously stirring by using a stirring rod during the dyeing to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into a container after dyeing is finished to heat to 90 ℃ for heat preservation for later use; putting the fabric subjected to dip dyeing into a mordant liquid B prepared in advance, and carrying out mordant for 15 minutes; washing and dehydrating the fabric subjected to mordant dyeing twice, and then putting the fabric into the dye liquor A for dip dyeing for 11 minutes; putting the wool fabric into the dye solution A again for dyeing for 11 minutes, continuously stirring the wool fabric by using a stirring rod during the dyeing process to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into the container after the dyeing is finished to heat the dye solution A to 90 ℃ for heat preservation for later use; and fully washing the dyed fabric for four times and then drying.
Example 2
Soaking roots of the west grass in a glass beaker for 8 minutes by using clear water, washing off dust on the surface of the madder, draining, cutting into pieces, soaking the madder 2 times the weight of the wool fabric in 70L of hot water for 12 minutes, adding white vinegar into 320L of warm water at the temperature of 50 ℃ to ensure that the pH is less than 6, uniformly stirring, soaking the madder in the mixture, heating to boiling, keeping the temperature for 20 minutes, discarding and pouring off the first dyeing solution obtained by filtering the mixture by using non-woven fabrics, and repeating the steps to obtain a second dyeing solution serving as a dyeing solution A for later use; putting the wool fabric into proper hot water, putting a small amount of washing liquid into the hot water, washing for 20min, and adopting a soap liquid wool washing method: kneading for 20 minutes at the soap liquid concentration of 0.2 percent and the temperature of 55 ℃ and the pH value of 10, and then cleaning with clear water; adding 100L of warm water into a stainless steel container, adding 300g of alum weighed in advance, heating until the alum is fully dissolved, and then adding 220L of water to prepare a mordant liquid B; putting the wool fabric into the dye solution A for dyeing for 12 minutes, continuously stirring by using a stirring rod during the dyeing process to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into a container after dyeing is finished to heat to 90 ℃ for heat preservation for later use; putting the fabric subjected to dip dyeing into a mordant liquid B prepared in advance, and carrying out mordant for 20 minutes; washing and dehydrating the fabric subjected to mordant dyeing twice, and then putting the fabric into the dye liquor A for dip dyeing for 12 minutes; putting the wool fabric into the dye solution A again for dyeing for 12 minutes, continuously stirring by using a stirring rod during the dyeing process to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into the container after dyeing is finished and heating to 90 ℃ for heat preservation for later use; and fully washing the dyed fabric for four times and then drying.
Example 3
Soaking roots of the west grass in a glass beaker for 4 minutes by using clear water, washing off dust on the surface of the madder, draining, cutting into pieces, soaking the madder 2 times the weight of the wool fabric in 50L of hot water for 8 minutes, adding white vinegar into 250L of warm water at the temperature of 40 ℃ to ensure that the pH is less than 6, uniformly stirring, soaking the madder in the heated water, heating to boiling, keeping the temperature for 20 minutes, discarding and pouring off the first dyeing solution obtained by filtering the madder with non-woven fabrics, and repeating the steps to obtain a second dyeing solution serving as a dyeing solution A for later use; putting the wool fabric into proper hot water, putting a small amount of washing liquid into the hot water, washing for 10min, and adopting a soap liquid wool washing method: kneading for 20 minutes at the soap liquid concentration of 0.2 percent and the temperature of 45 ℃ and the pH value of 9, and then cleaning with clear water; adding 100L of warm water into a stainless steel container, adding 250g of alum weighed in advance, heating until the alum is fully dissolved, and then adding 150L of water to prepare mordant liquid B; putting the wool fabric into the dye solution A for dyeing for 8 minutes, continuously stirring by using a stirring rod during the dyeing to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into a container after dyeing is finished to heat to 90 ℃ for heat preservation for later use; putting the fabric subjected to dip dyeing into a mordant liquid B prepared in advance, and carrying out mordant dyeing for 10-20 minutes; washing and dehydrating the fabric subjected to mordant dyeing twice, and then putting the fabric into the dye liquor A for dip dyeing for 8 minutes; putting the wool fabric into the dye solution A again for dyeing for 8 minutes, continuously stirring by using a stirring rod during the dyeing process to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into the container after dyeing is finished and heating to 90 ℃ for heat preservation for later use; and fully washing the dyed fabric for four times and then drying.
Example 4
Soaking the roots of the west grass in a glass beaker for 7 minutes by using clear water, washing off dust on the surface of the madder, draining, cutting into pieces, soaking the madder 2 times the weight of the wool fabric in 55L of hot water for 9 minutes, adding white vinegar into 250L of warm water at the temperature of 40 ℃ to ensure that the pH is less than 6, uniformly stirring, soaking the madder in the heated water, heating to boiling, keeping the temperature for 20 minutes, discarding and pouring off the first dyeing solution obtained by filtering the mixture by using non-woven fabrics, and repeating the steps to obtain a second dyeing solution serving as a dyeing solution A for later use; putting the wool fabric into proper hot water, putting a small amount of washing liquid into the hot water, washing for 17min, and adopting a soap liquid wool washing method: kneading for 20 minutes at the soap liquid concentration of 0.2 percent and the temperature of 50 ℃ and the pH value of 9, and then cleaning with clear water; adding 100L of warm water into a stainless steel container, adding 280g of alum weighed in advance, heating until the alum is fully dissolved, and then adding 170L of water to prepare mordant liquid B; putting the wool fabric into the dye solution A for dyeing for 9 minutes, continuously stirring by using a stirring rod during the dyeing to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into a container after dyeing is finished to heat to 90 ℃ for heat preservation for later use; putting the fabric subjected to dip dyeing into a mordant liquid B prepared in advance, and carrying out mordant dyeing for 13 minutes; washing and dehydrating the fabric subjected to mordant dyeing twice, and then putting the fabric into the dye liquor A for dip dyeing for 12 minutes; putting the wool fabric into the dye solution A again for dyeing for 10 minutes, continuously stirring by using a stirring rod during the dyeing process to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into the container after dyeing is finished and heating to 90 ℃ for heat preservation for later use; and fully washing the dyed fabric for four times and then drying.
Example 5
Soaking roots of the west grass in a glass beaker for 4 minutes by using clear water, washing off dust on the surface of the madder, draining, cutting into pieces, soaking the madder 2 times the weight of the wool fabric in 50L of hot water for 8 minutes, adding white vinegar into 250L of warm water at the temperature of 40 ℃ to ensure that the pH is less than 6, uniformly stirring, soaking the madder in the heated water, heating to boiling, keeping the temperature for 20 minutes, discarding and pouring off the first dyeing solution obtained by filtering the madder with non-woven fabrics, and repeating the steps to obtain a second dyeing solution serving as a dyeing solution A for later use; putting the wool fabric into proper hot water, putting a small amount of washing liquid into the hot water, washing for 10min, and adopting a soap liquid wool washing method: kneading for 20 minutes at the soap liquid concentration of 0.2 percent and the temperature of 55 ℃ and the pH value of 10, and then cleaning with clear water; adding 100L of warm water into a stainless steel container, adding 250g of alum weighed in advance, heating until the alum is fully dissolved, and then adding 220L of water to prepare mordant liquid B; putting the wool fabric into the dye solution A for dyeing for 8 minutes, continuously stirring by using a stirring rod during the dyeing to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into a container after dyeing is finished to heat to 90 ℃ for heat preservation for later use; putting the fabric subjected to dip dyeing into a mordant liquid B prepared in advance, and carrying out mordant for 10 minutes; washing and dehydrating the fabric subjected to mordant dyeing twice, and then putting the fabric into the dye liquor A for dip dyeing for 8 minutes; putting the wool fabric into the dye solution A again for dyeing for 8 minutes, continuously stirring by using a stirring rod during the dyeing process to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into the container after dyeing is finished and heating to 90 ℃ for heat preservation for later use; and fully washing the dyed fabric for four times and then drying.
Example 6
Soaking roots of the west grass in a glass beaker for 5 minutes by using clear water, washing off dust on the surface of the madder, draining, cutting into pieces, soaking the madder 2 times the weight of the wool fabric in 60L of hot water for 10 minutes, adding white vinegar into 280L of warm water at the temperature of 45 ℃ to ensure that the pH is less than 6, uniformly stirring, soaking the madder in the heated water, heating to boiling, keeping the temperature for 20 minutes, pouring off a first dye solution obtained by filtering the mixture by using non-woven fabrics, and repeating the steps to obtain a second dye solution serving as a dye solution A for later use; putting the wool fabric into proper hot water, putting a small amount of washing liquid into the hot water, washing for 15min, and adopting a soap liquid wool washing method: kneading for 20 minutes at the soap liquid concentration of 0.2 percent and the temperature of 50 ℃ and the pH value of 9, and then cleaning with clear water; adding 100L of warm water into a stainless steel container, adding 280g of alum weighed in advance, heating until the alum is fully dissolved, and then adding 180L of water to prepare a mordant liquid B; putting the wool fabric into the dye solution A for dyeing for 10 minutes, continuously stirring by using a stirring rod during the dyeing process to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into a container after dyeing is finished to heat to 90 ℃ for heat preservation for later use; putting the fabric subjected to dip dyeing into a mordant liquid B prepared in advance, and carrying out mordant for 15 minutes; washing and dehydrating the fabric subjected to mordant dyeing twice, and then putting the fabric into the dye liquor A for dip dyeing for 10 minutes; putting the wool fabric into the dye solution A again for dyeing for 10 minutes, continuously stirring by using a stirring rod during the dyeing process to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into the container after dyeing is finished and heating to 90 ℃ for heat preservation for later use; and fully washing the dyed fabric for four times and then drying.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A wool dyeing method of madder vegetable dye is characterized by comprising the following steps:
1) preparing a dye solution: soaking the roots of the west grass in a glass beaker for 4-8 minutes by using clear water, washing off dust on the surface of the madder, draining, cutting into pieces, soaking the madder 2 times the weight of the wool fabric in 50-70L of hot water for 8-12 minutes, adding an acid agent into 250-320L of warm water to ensure that the pH is less than 6, soaking the madder in the warm water after uniformly stirring, heating to boiling, keeping the temperature for 20 minutes, discarding the first dyeing solution obtained by filtering the mixture by using non-woven fabrics, and repeating the steps to obtain a second dyeing solution serving as a dyeing solution A for later use;
2) pretreatment: putting the wool fabric into proper hot water, and putting a small amount of washing liquid for washing for 10-20 min;
3) preparing a mordant liquid agent: adding 100L of warm water into a stainless steel container, adding 250-300g of alum weighed in advance, heating until the alum is fully dissolved, and then adding 220L of water of 150-to prepare mordant liquid B;
4) dip dyeing: putting the wool fabric into the dye solution A for dyeing for 8-12 minutes, continuously stirring by using a stirring rod during the dyeing process to ensure that the dye solution A is fully contacted with the fabric, and pouring the dye solution A into a container after dyeing is finished and heating to 90 ℃ for heat preservation for later use;
5) mordant dyeing: putting the fabric subjected to dip dyeing into a mordant liquid B prepared in advance, and carrying out mordant dyeing for 10-20 minutes;
6) washing with water: washing and dehydrating the fabric subjected to mordant dyeing, and then putting the fabric into the dye liquor A for dip dyeing for 8-12 minutes;
7) and (3) dip dyeing again: repeating the step 4);
8) and (3) post-treatment: and fully washing the dyed fabric with water and then drying.
2. The wool dyeing method of madder plant dye according to claim 1, characterized in that in step 1), roots of western grass are placed in a glass beaker and soaked in clean water for 5 minutes, the soaked and chopped madder roots are placed in 60L of hot water for washing for 10 minutes, then an acid agent is taken and added into 280L of warm water so that the pH is less than 6, the madder roots are soaked in the warm water after being uniformly stirred, the temperature is kept for 20 minutes after the heated madder roots are boiled, the first dyeing solution obtained by filtering the madder roots with non-woven fabrics is discarded and poured, and the second dyeing solution obtained by repeating the above steps is used as the dyeing solution A for standby.
3. The method for dyeing wool with madder plant dye according to claim 1, wherein in step 1), the warm water temperature is 40-50 ℃.
4. The method for dyeing wool with madder plant dye according to claim 1, wherein in step 1), the acid agent is white vinegar.
5. The method for dyeing wool with madder plant dye according to claim 1, wherein in step 2), the hot water temperature is 70-80 ℃; and the washing adopts a soap solution wool washing method: kneading the soap solution with the concentration of 0.2 percent and the temperature of 45-55 ℃ and the ph of 9-10 for 20 minutes, and then cleaning with clear water.
6. The method for dyeing wool with madder plant dye according to claim 1, wherein in the step 3), 100L of warm water is added into a stainless steel container, 280g of alum weighed in advance is added, the mixture is heated until the alum is fully dissolved, and then 180L of water is added to prepare mordant liquid.
7. The method for dyeing wool with madder plant dye according to claim 1, characterized in that in step 5), the fabric after dip dyeing is put into a mordant liquid prepared in advance, and the fabric is continuously stirred by a stirring rod during the process, so that the dyeing liquid is fully contacted with the fabric, and the dyeing is finished for 15 minutes.
8. The method for dyeing wool with madder plant dye according to claim 1, characterized in that in step 6), after the mordant fabric is washed with water and dewatered twice, the fabric is put into dye liquor A for dip-dyeing for 10 minutes.
9. The wool dyeing method using madder plant dye according to claim 1, characterized in that in step 8), the dyed fabric is fully washed with water for four times and then dried.
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| CN114753168A (en) * | 2022-03-18 | 2022-07-15 | 内蒙古鄂尔多斯资源股份有限公司 | Cashmere fabric and hang dyeing method thereof |
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| CN114753168B (en) * | 2022-03-18 | 2023-10-13 | 内蒙古鄂尔多斯资源股份有限公司 | Cashmere fabric and hanging dyeing method thereof |
| CN115522395A (en) * | 2022-06-15 | 2022-12-27 | 武汉纺织大学 | Method for improving dyeing saturation of madder dye |
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