CN112359618A - Natural dye dyeing process for worsted wool - Google Patents
Natural dye dyeing process for worsted wool Download PDFInfo
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- CN112359618A CN112359618A CN202011247173.5A CN202011247173A CN112359618A CN 112359618 A CN112359618 A CN 112359618A CN 202011247173 A CN202011247173 A CN 202011247173A CN 112359618 A CN112359618 A CN 112359618A
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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
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
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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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/14—Wool
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention provides a natural dye dyeing process for worsted wool, which comprises the following steps: 1) pretreatment of wool tops: adding penetrating defoaming agent, deoiling agent and soda ash, and keeping the temperature at 50 ℃ for 20-30 min; 2) dyeing wool tops: adding penetrating defoaming agent and dye, keeping the temperature at 90-98 ℃ for 30-60min, and cooling to 35 ℃; 3) iron medium dyeing: adjusting the pH of the dye bath to be less than 4 at 35 ℃, adding ferrous sulfate, and keeping the temperature at 40 ℃ for 20-30 min; 4) for deep color, dyeing the wool tops again, adding dye, keeping the temperature at 90-98 ℃ for 30-60min, then cooling to 35 ℃ for 5) for deep color, dyeing with iron medium again, adjusting the pH of a dye bath to be less than 4 at 35 ℃, adding ferrous sulfate, and keeping the temperature at 40 ℃ for 20-30 min; 6) soaping, adding soaping agent for dark color, and keeping temperature at 70-80 deg.C for 20-30 min. According to the natural dye dyeing process for worsted wool, provided by the invention, ferrous sulfate is used as a mordant, the affinity between the natural dye and the fiber is enhanced through a mordant dyeing method, the dyeing reproducibility is improved, and the dyed color is uniform and consistent.
Description
Technical Field
The invention relates to the field of spinning, in particular to a natural dye dyeing process for worsted wool.
Background
The natural dye is directly derived from animals and plants, most of the natural dye is safe, and mainly refers to plant dyes, such as alizarin, indigo and the like. Animal dyes such as cochineal, lacca, etc. The natural plant dye is safe and nontoxic, has an environment-friendly effect, and has double effects of dyeing and antibiosis: ellagic acid and polyphenol compounds contained in the plant have antioxidant effect (such as inhibiting bacterial growth of Escherichia coli and Staphylococcus aureus); contains antibacterial active components such as alkaloid, acids, ketones, phenols and tannic acid. The plant structure enables the fabric to have good ultraviolet absorption or reflection function, and the ultraviolet transmittance is correspondingly reduced. The natural dye can extract and industrialize the agricultural and forestry wastes, change wastes into valuables, fully utilize natural resources, greatly reduce the toxicity of dyeing wastewater and be beneficial to protecting the environment. The natural dye has better biodegradability and environmental compatibility, and the elegance of the natural dye is that the synthetic dye cannot be compared with the natural dye. With the continuous promotion of the social process and the continuous increase of the energy demand, the contradiction between energy supply and demand is more and more prominent.
Natural dyes have a long history of use, almost in sync with the human history. The natural dyeing accumulates experience and intelligence of a plurality of predecessors, the natural dyeing product has excellent color culture, meets the requirement of environmental protection, provides aesthetic feeling level and has increasingly growing market demand.
At present, wool is dyed at home and abroad mainly by using artificially synthesized dye, which is also called artificial dye, is mainly fractionated from coal tar (or petrochemical industry) and is processed by chemistry, and the dye is conventionally called coal tar dye. Compared with natural dyes, the synthetic dyes have the advantages of bright color, washing resistance, sun resistance and mass production, so the dyes are mainly used at present. However, the synthetic dye can produce objects harmful to the environment in the production process, and has to be poured into rivers, pool eaves or air to pollute the environment, and the problems facing human beings at present are that: exhaustion of energy resources; the environmental pollution is serious. The way of energy sustainable development is a good development direction.
The dyeing method of the natural dye commonly used at present comprises the following steps: (1) direct dyeing method: the fiber is directly dyed by utilizing the good solubility of the natural dye through ionic bonds, intermolecular forces and the like between the natural dye and the fiber; (2) reduction dyeing method: the dye is reduced into leuco sodium salt which is easy to dissolve in water by using a strong reducing agent such as sodium hydrosulfite, the fiber is dyed by ionic bond between the leuco sodium salt and the fiber, intermolecular force and the like, and then the leuco sodium salt which is easy to dissolve in water is fully oxidized in the air, and the leuco sodium salt which is easy to dissolve in water is oxidized into dye which is difficult to dissolve in water so as to be fixed in the fiber. Such as: indigo dyeing; (3) mordant dyeing method: the dye comprises first dye and then dye, wherein heavy metal elements such as chromium, copper, iron and the like are used as mordant, so that firmer coordination bonds are formed between the natural dye and the fiber, the acting force between the dye and the fiber is improved, and the reproducibility of the natural dye is improved. However, many natural dyes have poor color fastness, especially poor light fastness and soaping fastness. The affinity between natural dye and wool fiber is poor, so that the dye-uptake rate is low during dyeing, and the dyeing reproducibility is poor.
Disclosure of Invention
The invention aims to solve the problems in the background art, and provides a natural dye dyeing process for worsted wool, which uses ferrous sulfate as a mordant, enhances the affinity between natural dye and fiber by a mordant dyeing method, improves the dyeing reproducibility, ensures the dyed color to be uniform and consistent, and has no obvious colored flower.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a natural dye dyeing process for worsted wool comprises the following steps:
1) pretreatment of wool tops: adding a penetrating defoaming agent and a degreasing agent at room temperature, running for 10 minutes, adding soda ash, heating to 50 ℃, keeping the temperature for 20-30 minutes, overflowing, washing for 10 minutes, and draining;
2) dyeing wool tops: adding a penetrating defoaming agent at room temperature, and running for 10 minutes; then quantificationally adding the filtered natural dye for 15-30 minutes, heating to 90-98 ℃ at a speed of 1-2 ℃/min, preserving the temperature for 30-60 minutes according to the color depth, cooling to 35 ℃ at a speed of 2 ℃/min, overflowing, washing for 10 minutes, and draining;
3) carrying out iron-medium dyeing, adding acetic acid at 35 ℃, running for 10 minutes, and adjusting the pH of a dye bath to be less than 4; then quantifying for 15-30 minutes, adding ferrous sulfate, heating to 40 ℃, and preserving heat for 20-30 minutes;
4) dyeing the wool tops again: for the color with darker color, dyeing the wool tops again, quantitatively adding the filtered natural dye at 40 ℃ for 15-30 minutes, heating to 90-98 ℃ at 1-2 ℃/min, preserving heat for 30-60 minutes according to the color depth, and cooling to 35 ℃ at 2 ℃/min;
5) for the color with darker color, needing to dye with iron medium again, after dyeing the wool tops twice, adding acetic acid at 35 ℃, running for 10 minutes, and adjusting the pH of the dye bath to be less than 4; then quantifying for 15-30 minutes, adding ferrous sulfate, heating to 40 ℃, preserving heat for 20-30 minutes, overflowing and washing twice, and each time lasts for 10 minutes;
6) and (4) soaping, wherein soaping treatment is required for the color with darker color. Adding soaping agent at room temperature, running for 10 minutes, heating to 70-80 ℃ at the speed of 1-2 ℃/min, preserving heat for 20-30 minutes, overflowing and washing for 10 minutes, draining water, and entering the next procedure.
As a refinement, the penetrating defoamer was ALBAFLOW FFW and was used in an amount of 0.5 mL/L.
As a modification, the degreaser is TISSOCYL RC9-C and the dosage is 1 mL/L.
As an improvement, the dosage of the sodium carbonate is 0.1-0.5 g/L.
As an improvement, the dosage of the acetic acid in the step 3) is 3 ml/L; the dosage of the ferrous sulfate is 1-5 g/L.
As an improvement, the dosage of the acetic acid in the step 5) is 0.5-1 ml/L; the dosage of the ferrous sulfate is 1-5 g/L.
As an improvement, the soaping agent is VEROLAN NBO, and the dosage of the soaping agent is 2 ml/L.
The invention has the beneficial effects that:
the invention uses ferrous sulfate as mordant, enhances the affinity between natural dye and fiber by mordant method, improves dyeing reproducibility, ensures uniform and consistent color after dyeing, and has no obvious colored flower. The dyed product can meet the requirements of daily taking after rubbing, washing and perspiration fastness reaching 3 grades, and sunlight reaching 2-3 grades, and some products even reaching 3-4 grades.
Drawings
FIG. 1 is a schematic representation of a first mordant according to the invention;
FIG. 2 is a schematic view of a second mordant according to the invention.
Detailed Description
The invention is illustrated below by means of specific examples, without being restricted thereto.
Example one
A natural dye dyeing process for worsted wool comprises the following steps:
1) pretreating wool tops, adding a penetrating defoaming agent and a deoiling agent at room temperature, running for 10 minutes, adding soda ash, heating to 50 ℃, keeping the temperature for 20 minutes, overflowing, washing for 10 minutes, and draining. Wherein the penetrating antifoaming agent is ALBAFLOW FFW and the dosage of the penetrating antifoaming agent is 0.5 mL/L; the deoiling agent is TISSOCYL RC9-C, and the dosage of the deoiling agent is 1 mL/L; the dosage of the calcined soda is 0.3 g/L.
2) Dyeing wool tops, adding a penetrating defoaming agent at room temperature, and running for 10 minutes; then the filtered natural dye is added in a certain amount for 20 minutes, the temperature is raised to 95 ℃ at the speed of 2 ℃/min, the temperature is kept for 60 minutes, the temperature is lowered to 35 ℃ at the speed of 2 ℃/min, and the mixture is overflowed, washed for 10 minutes and drained. Wherein the penetrating antifoaming agent is ALBAFLOW FFW and is used in an amount of 0.5 mL/L. The natural dye is olive green, and the dosage of the natural dye is 5%.
3) Carrying out iron-medium dyeing, adding acetic acid at 35 ℃, running for 10 minutes, and adjusting the pH of a dye bath to be less than 4; then the ferrous sulfate is added in a certain amount for 20 minutes, and then the temperature is raised to 40 ℃ and kept for 30 minutes. Wherein the dosage of the acetic acid is 3 ml/L; the dosage of the ferrous sulfate is 5 g/L.
4) Dyeing the wool tops again, quantitatively adding the filtered natural dye at 40 ℃ for 20 minutes after the wool tops are dyed by using a ferroelectric medium, heating to 95 ℃ at the speed of 2 ℃/min, preserving the heat for 60 minutes, and cooling to 35 ℃ at the speed of 2 ℃/min. Wherein the natural dye is olive green and the amount thereof is 5%.
5) Carrying out iron-medium dyeing again, adding acetic acid at 35 ℃ after twice wool tops are dyed, running for 10 minutes, and adjusting the pH of a dyeing bath to be less than 4; then the ferrous sulfate is added in a certain amount for 20 minutes, and then the temperature is raised to 40 ℃ and kept for 30 minutes. The water was then flushed twice for 10 minutes each. Wherein the dosage of the acetic acid is 0.5 ml/L; the dosage of the ferrous sulfate is 3 g/L.
6) And (4) soaping, namely adding a soaping agent at room temperature. Running for 10 minutes, heating to 80 ℃ at the speed of 2 ℃/min, preserving heat for 20 minutes, overflowing, washing for 10 minutes, and draining. Wherein the soaping agent is VEROLAN NBO and the dosage is 2 ml/L.
Example two
A natural dye dyeing process for worsted wool comprises the following steps:
1) pretreating wool tops, adding a penetrating defoaming agent and a deoiling agent at room temperature, running for 10 minutes, adding soda ash, heating to 50 ℃, keeping the temperature for 30 minutes, overflowing, washing for 10 minutes, and draining. Wherein the penetrating antifoaming agent is ALBAFLOW FFW and the dosage of the penetrating antifoaming agent is 0.5 mL/L; the deoiling agent is TISSOCYL RC9-C, and the dosage of the deoiling agent is 1 mL/L; the dosage of the calcined soda is 0.3 g/L.
2) Dyeing wool tops, adding a penetrating defoaming agent at room temperature, and running for 10 minutes; then the filtered natural dye is added in a certain amount for 20 minutes, the temperature is raised to 95 ℃ at the speed of 2 ℃/min, the temperature is kept for 30 minutes, the temperature is lowered to 35 ℃ at the speed of 2 ℃/min, and the mixture is overflowed, washed for 10 minutes and drained. Wherein the penetrating antifoaming agent is ALBAFLOWFFW and the dosage of the penetrating antifoaming agent is 0.5 mL/L. The natural dye is olive green, and the dosage of the natural dye is 0.15%.
3) Carrying out iron-medium dyeing, adding acetic acid at 35 ℃, running for 10 minutes, and adjusting the pH of a dye bath to be less than 4; then the ferrous sulfate is added in the quantitative 30 minutes, and the temperature is raised to 40 ℃ and kept for 30 minutes. Wherein the dosage of the acetic acid is 3 ml/L; the dosage of the ferrous sulfate is 1 g/L.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A natural dye dyeing process for worsted wool is characterized by comprising the following steps:
1) pretreatment of wool tops: adding a penetrating defoaming agent and a degreasing agent at room temperature, running for 10 minutes, adding soda ash, heating to 50 ℃, keeping the temperature for 20-30 minutes, overflowing, washing for 10 minutes, and draining;
2) dyeing wool tops: adding a penetrating defoaming agent at room temperature, and running for 10 minutes; then quantificationally adding the filtered natural dye for 15-30 minutes, heating to 90-98 ℃ at a speed of 1-2 ℃/min, preserving the temperature for 30-60 minutes according to the color depth, cooling to 35 ℃ at a speed of 2 ℃/min, overflowing, washing for 10 minutes, and draining;
3) carrying out iron-medium dyeing, adding acetic acid at 35 ℃, running for 10 minutes, and adjusting the pH of a dye bath to be less than 4; then quantifying for 15-30 minutes, adding ferrous sulfate, heating to 40 ℃, and preserving heat for 20-30 minutes;
4) dyeing the wool tops again: for the color with darker color, dyeing the wool tops again, quantitatively adding the filtered natural dye at 40 ℃ for 15-30 minutes, heating to 90-98 ℃ at 1-2 ℃/min, preserving heat for 30-60 minutes according to the color depth, and cooling to 35 ℃ at 2 ℃/min;
5) for the color with darker color, needing to dye with iron medium again, after dyeing the wool tops twice, adding acetic acid at 35 ℃, running for 10 minutes, and adjusting the pH of the dye bath to be less than 4; then quantifying for 15-30 minutes, adding ferrous sulfate, heating to 40 ℃, preserving heat for 20-30 minutes, overflowing and washing twice, and each time lasts for 10 minutes;
6) and (3) soaping, namely soaping the dark color, adding a soaping agent at room temperature, running for 10 minutes, heating to 70-80 ℃ at the speed of 1-2 ℃/min, keeping the temperature for 20-30 minutes, overflowing for washing for 10 minutes, draining, and entering the next procedure.
2. A process for dyeing wool spinning with natural dyes according to claim 1, characterized in that the penetrating antifoaming agent is ALBAFLOW FFW and is used in an amount of 0.5 mL/L. The degreaser is TISSOCYL RC9-C and the dosage is 1 ml/L. The dosage of the sodium carbonate is 0.1-0.5 g/L.
3. A process for dyeing worsted wool with natural dyes according to claim 1, wherein the amount of acetic acid used in step 3) is 3 ml/L; the dosage of the ferrous sulfate is 1-5 g/L.
4. A process for dyeing worsted wool with natural dyes according to claim 1, wherein the amount of acetic acid used in step 5) is 0.5-1 ml/L; the dosage of the ferrous sulfate is 1-5 g/L.
5. A process for dyeing worsted wool with natural dyes according to claim 1 wherein the soaping agent is VEROLAN NBO and is used in an amount of 2 ml/L.
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| CN202011247173.5A CN112359618A (en) | 2020-11-10 | 2020-11-10 | Natural dye dyeing process for worsted wool |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625058A (en) * | 2014-10-27 | 2016-06-01 | 恒源祥（集团）有限公司 | Processing method used for dyeing wool fabric with natural dye |
| CN105625057A (en) * | 2014-10-27 | 2016-06-01 | 恒源祥（集团）有限公司 | Processing method used for dyeing wool fabric with natural dye with high colour fastness |
| CN109971207A (en) * | 2019-04-25 | 2019-07-05 | 浙江恒生印染有限公司 | The preparation method and applications of sweetberry jointfir natural dye |
| CN110079120A (en) * | 2019-04-09 | 2019-08-02 | 河北科技大学 | A kind of natural dye and colouring method |
| CN110747662A (en) * | 2019-09-20 | 2020-02-04 | 凯盛家纺股份有限公司 | Natural dye dyeing method |
| CN111535056A (en) * | 2020-05-28 | 2020-08-14 | 张家港扬子染整有限公司 | Wool and alpaca yarn dyeing process |
-
2020
- 2020-11-10 CN CN202011247173.5A patent/CN112359618A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625058A (en) * | 2014-10-27 | 2016-06-01 | 恒源祥（集团）有限公司 | Processing method used for dyeing wool fabric with natural dye |
| CN105625057A (en) * | 2014-10-27 | 2016-06-01 | 恒源祥（集团）有限公司 | Processing method used for dyeing wool fabric with natural dye with high colour fastness |
| CN110079120A (en) * | 2019-04-09 | 2019-08-02 | 河北科技大学 | A kind of natural dye and colouring method |
| CN109971207A (en) * | 2019-04-25 | 2019-07-05 | 浙江恒生印染有限公司 | The preparation method and applications of sweetberry jointfir natural dye |
| CN110747662A (en) * | 2019-09-20 | 2020-02-04 | 凯盛家纺股份有限公司 | Natural dye dyeing method |
| CN111535056A (en) * | 2020-05-28 | 2020-08-14 | 张家港扬子染整有限公司 | Wool and alpaca yarn dyeing process |
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