CN111021096A - Dyeing process of vegetable dye - Google Patents
Dyeing process of vegetable dye Download PDFInfo
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- CN111021096A CN111021096A CN201911279512.5A CN201911279512A CN111021096A CN 111021096 A CN111021096 A CN 111021096A CN 201911279512 A CN201911279512 A CN 201911279512A CN 111021096 A CN111021096 A CN 111021096A
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- 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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- 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
- D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
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- 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
- D06P1/46—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 using compositions containing natural macromolecular substances or derivatives thereof
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- 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
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- 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
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- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
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- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/10—After-treatment with compounds containing metal
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Abstract
A dyeing process of vegetable dye comprises a dyeing process of cotton yarn, a dyeing process of real silk and a dyeing process of wool; the dyeing process of the cotton yarn comprises soaking, modification, dyeing and soaping; the method comprises the following steps: soaking cotton yarns in 50 ℃ water for 10-15min to prepare a modification solution, putting the cotton yarns into the modification solution with a bath ratio of 1:8, heating to 35 ℃, keeping the temperature for 20min, heating to 95 ℃, keeping the temperature for 30min, taking out the modified cotton yarns, washing for later use, preparing a plant dye bath, putting the modified cotton yarns into the plant dye bath, dyeing and soaping. The dyeing process of the plant dye provided by the invention is simple in dyeing process and high in flexibility, the prepared cotton yarn, real silk and wool have excellent dyeing effect and high dyeing fastness, the technical problem that the plant dyed cheese dyed yarn is easy to have layer difference is solved, and the plant dye is safe, environment-friendly, natural and nontoxic and has good development prospect.
Description
Technical Field
The invention belongs to the technical field of dyeing processes, and particularly relates to a dyeing process of a vegetable dye.
Background
In the history of using dyes by human beings, plant dyes are far earlier than synthetic dyes, but the plant dyes have the defects of poor color fastness, few varieties and the like. The appearance of synthetic dyes in the 60's of the 19 th century gradually replaced vegetable dyes due to their advantages of complete chromatograms, bright colors, washing resistance, sun resistance, etc. In recent years, due to the increase of environmental awareness and the attention paid to human health, plant dyes have been paid attention again after 150 years of cold fall due to the characteristics of no toxicity, no harm, no pollution and elegant color tone, and related researchers have extensively researched and developed the planting, production, processing and dyeing technology thereof.
The plant dye is a natural dye, is essence in plants, and is not added with any dispersant, solubilizer, chelating agent and the like in chemical commercial dyes. The vegetable dye has soft color, elegant solemn and natural and distinctive characteristics, which makes the synthetic dye incomparable; and the skin-care product is nontoxic and harmless, has no allergy and carcinogenicity to skin, and has better biodegradability and environmental compatibility. It also has excellent antibacterial property, and has wide development prospect in the fields of home textile products, high-grade silk products, decorative articles and the like.
So far, the intensive research on plant dyes is still less, and how to select proper conditions to ensure that the dyeing process of the plant dyes meets the requirements of industrial production and the grade of color fastness meets the standard of clothes is a problem to be solved. In particular, since the dyed cheese is liable to cause a layer difference, the industrialization thereof has not been achieved so far.
Chinese patent application No. CN201811436890.5 discloses a plant dye dyeing process for cashmere cone yarn, which is characterized in that in the dyeing pretreatment step, the cashmere can be better dyed by matching an ultrasonic treatment means with a proper treatment liquid. In the dyeing step, the plant dye is matched with a proper dyeing auxiliary agent, so that the color fastness and the dyeing uniformity of the cashmere are only specific to cashmere cone yarns, and the application range is limited.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide the dyeing process of the plant dye, the dyeing process is simple and high in flexibility, the prepared cotton yarn, real silk and wool have excellent dyeing effect and high dyeing fastness, the technical problem that the plant dyed cheese dyed by the plant is easy to have poor layers is solved, and any dispersing agent, solubilizer, chelating agent and the like in chemical commercial dye are not added, so that the plant dye is safer, more environment-friendly, natural and nontoxic and has good development prospect.
The purpose of the invention is realized by the following technical scheme:
a dyeing process of vegetable dye is characterized by comprising a dyeing process of cotton yarn, a dyeing process of real silk and a dyeing process of wool; the dyeing process of the cotton yarn comprises the following steps:
(1) soaking: soaking cotton yarn in water at 50 deg.c for 10-15 min;
(2) modification: preparing a modifying solution, putting the cotton yarn into the modifying solution, heating to 35 ℃ at a bath ratio of 1:8, preserving heat for 20min, then heating to 95 ℃ and preserving heat for 30min, taking out the modified cotton yarn, and washing with water for later use;
(3) dyeing: preparing a plant dye bath, placing the modified cotton yarn in the plant dye bath, wherein the bath ratio is 1:8, the dyeing pH is 5-6, the temperature is increased to 95 ℃, the temperature increase rate is 2 ℃/min, and the dyeing time is 60 min; taking out the dyed cotton yarn, and washing the cotton yarn for later use; (4) soaping: preparing a soap lotion, putting the dyed cotton yarn into 5g/L of the soap lotion, keeping the bath ratio at 1:8 and the color pH of the soap lotion at 6-7, keeping the temperature at 65 ℃ for 10-15min, taking out the cotton yarn after the soap lotion, and washing and drying the cotton yarn.
The soap lotion is prepared from industrial soap.
Further, in the dyeing process of the vegetable dye, the modification liquid in the step (2) is a chitosan solution, and the amount of the chitosan is 1-2 times of the mass of the cotton yarn.
The chitosan solution is used as a natural modifier to modify cotton yarns, plays an important role in subsequent dyeing, and greatly improves the dyeing fastness. Particularly, under the condition that no dispersant, solubilizer, chelating agent and the like in chemical commercial dye are added, the problem that the dyed cheese dyed by the plant is easy to generate layer difference is solved, and the cheese dyed by the plant is safer, more environment-friendly, natural and nontoxic.
Further, in the dyeing process of the plant dye, the plant dye bath in the step (3) is configured by plant dyes, and the plant dyes respectively include rose red plant dye, yellow-brown plant dye, bright yellow plant dye, dark blue plant dye and light brown plant dye; the dosage of each plant dye added into the plant dye bath is 0.5 to 5 percent o.w.f; the pH value of the plant dye bath is adjusted by glacial acetic acid, and the concentration of the glacial acetic acid is 1 g/L.
The plant dyes are all from Changzhou Meisheng biological materials, including rose red plant dye, yellow brown plant dye, bright yellow plant dye, dark blue plant dye, light brown plant dye. The dosage of each plant dye added into the plant dye bath is 0.5-5% o.w.f, the dosage proportion is determined according to the color requirement of a client, and the lighter the color is, the smaller the dosage is, otherwise, the more the color is, the flexible adjustment is realized.
Further, the dyeing process of the plant dye, the dyeing process of the cotton yarn, further comprises dyeing processes of gray cotton yarn and olive green cotton yarn, and the dyeing processes of the gray cotton yarn and the olive green cotton yarn comprise the following steps:
(1) soaking: soaking cotton yarn in water at 50 deg.c for 10-15 min;
(2) dyeing: preparing a plant dye bath, soaking the cotton yarns, wringing the cotton yarns, putting the cotton yarns into the plant dye bath, heating the cotton yarns to 60 ℃ at a heating rate of 2 ℃/min for 30-60min, and taking the dyed cotton yarns out for later use; the vegetable dye bath is prepared from vegetable dyes, wherein the vegetable dyes respectively comprise a gray vegetable dye and an olive green vegetable dye; the dosage of each plant dye added into the plant dye bath is 0.5 to 5 percent o.w.f;
(3) post mordant dyeing: preparing a mordant dyeing solution, putting the dyed cotton yarn into the mordant dyeing solution at a bath ratio of 1:8, heating to 40 ℃, keeping the temperature for 30min, and taking out the mordant dyed cotton yarn for washing; the aftermordant dyeing solution is composed of 1g/L acetic acid and 0.5-3g/L ferrous sulfate solution, and the acetic acid is firstly added and then the ferrous sulfate is added during preparation;
(4) soaping: putting the cotton yarns into 5g/L neutral soaping liquid, keeping the temperature at 65 ℃ for 10-15min, taking out, washing with water and drying, wherein the bath ratio is 1:8, the soaping color pH is 6-7.
Further, the dyeing process of the plant dye, the dyeing process of the cotton yarn, further comprises a dyeing process of black cotton yarn, and the dyeing process of the black cotton yarn comprises the following steps:
(1) soaking: soaking cotton yarn in water at 50 deg.c for 10-15 min;
(2) dyeing: preparing a plant dye bath, soaking the cotton yarns, wringing the cotton yarns, putting the cotton yarns into the plant dye bath, heating the cotton yarns to 60 ℃ at a heating rate of 2 ℃/min for 30-60min, and taking the dyed cotton yarns out for later use; the vegetable dye bath is prepared from 7% o.w.f olive green vegetable dye and 3% o.w.f gray vegetable dye;
(3) post mordant dyeing: preparing a mordant dyeing solution, putting the dyed cotton yarn into the mordant dyeing solution at a bath ratio of 1:8, heating to 40 ℃, keeping the temperature for 30min, and taking out the mordant dyed cotton yarn for washing; the aftermordant dyeing solution is composed of 1g/L acetic acid and 0.5-3g/L ferrous sulfate solution, and the acetic acid is firstly added and then the ferrous sulfate is added during preparation;
(4) counterdyeing: repeating the step (2) and the step (3) once;
(5) soaping: putting the cotton yarns into 5g/L neutral soaping liquid, keeping the temperature at 65 ℃ for 10-15min, taking out, washing with water and drying, wherein the bath ratio is 1:8, the soaping color pH is 6-7.
Further, the dyeing process of the plant dye, the dyeing process of the cotton yarn, further comprises a dyeing process of green cotton yarn, and the dyeing process of the green cotton yarn comprises the following steps:
(1) soaking: soaking cotton yarn in water at 50 deg.c for 10-15 min;
(2) dyeing: preparing a plant dye bath, placing the soaked cotton yarn in the plant dye bath, wherein the bath ratio is 1:8, the dyeing pH is 5-6, heating to 80 ℃, the heating rate is 2 ℃/min, and the dyeing time is 60 min; taking out the dyed cotton yarn, and washing the cotton yarn for later use; the vegetable dye bath is prepared from a green vegetable dye, and the dosage of the green vegetable dye added into the vegetable dye bath is 0.5-5% o.w.f;
(3) soaping: preparing a soap lotion, putting the dyed cotton yarn into 5g/L of the soap lotion, keeping the bath ratio at 1:8 and the color pH of the soap lotion at 6-7, keeping the temperature at 65 ℃ for 10-15min, taking out the cotton yarn after the soap lotion, and washing and drying the cotton yarn.
The grey plant dye, olive green and green plant dye are all from Hezhou Meisheng biological materials, Inc. The proportion of the usage amount of each plant dye added into the plant dye bath is determined according to the color requirements of customers, and the lighter the color is, the smaller the usage amount is, otherwise, the more the usage amount is, the flexible adjustment is.
Further, the dyeing process of the vegetable dye for real silk comprises the following steps:
(1) soaking: soaking the real silk in water at 50 ℃ for 10-15 min;
(2) dyeing: preparing a vegetable dye bath, placing the soaked real silk in the vegetable dye bath, wherein the bath ratio is 1:8, the dyeing pH is 5-6, heating to 95 ℃, the heating rate is 2 ℃/min, and the dyeing time is 60 min; taking out the dyed real silk, and washing with water for later use;
(3) soaping: preparing a soaping solution, putting dyed real silk into 5g/L of the soaping solution, keeping the bath ratio at 1:8 and the pH value of soaping color at 6-7, keeping the temperature at 55 ℃ for 10-15min, taking out the soaped real silk, and washing and drying the real silk.
Further, in the dyeing process of the plant dye, the plant dye bath in the step (2) is configured by plant dyes, and the plant dyes respectively include rose red plant dye, yellow-brown plant dye, bright yellow plant dye, dark blue plant dye and light brown plant dye; the dosage of each plant dye added into the plant dye bath is 0.5 to 5 percent o.w.f; the pH value of the plant dye bath is adjusted by glacial acetic acid, and the concentration of the glacial acetic acid is 1 g/L.
Similarly, the plant dyes are from Changzhou Meisheng biological materials, and the dosage of each plant dye is determined according to the color requirement of customers, and the regulation is flexible.
Further, the dyeing process of the vegetable dye comprises the following steps:
(1) soaking: soaking the wool in water at 50 ℃ for 10-15 min;
(2) dyeing: preparing a vegetable dye bath, placing the soaked wool in the vegetable dye bath, wherein the bath ratio is 1:8, the dyeing pH is 5-6, heating to 95 ℃, the heating rate is 2 ℃/min, and the dyeing time is 60 min; taking out the dyed wool, and washing with water for later use;
(3) soaping: preparing a soap washing solution, putting the dyed wool into 5g/L of the soap washing solution, keeping the bath ratio at 1:8 and the pH value of the soaping color at 6-7, keeping the temperature at 55 ℃ for 10-15min, taking out the soaped wool, washing with water and drying.
Further, in the dyeing process of the plant dye, the plant dye bath in the step (2) is configured by plant dyes, and the plant dyes respectively include rose red plant dye, yellow-brown plant dye, bright yellow plant dye, dark blue plant dye and light brown plant dye; the dosage of each plant dye added into the plant dye bath is 0.5 to 5 percent o.w.f; the pH value of the plant dye bath is adjusted by glacial acetic acid, and the concentration of the glacial acetic acid is 1 g/L.
Similarly, the plant dye is from Hezhou Meisheng biomaterial Co., Ltd, and the amount of the plant dye is determined according to the color requirement of customers, and the adjustment is flexible.
Compared with the prior art, the invention has the following beneficial effects: the dyeing process is simple, convenient to adjust and high in flexibility, and the dyed cotton yarn, real silk and wool have excellent dyeing effect and high dyeing fastness; the technical problem that the cheese dyed by the vegetable dye is easy to generate layer difference is solved, the vegetable dye can be applied to cheese dyeing, the cheese dyeing is industrialized, and any dispersing agent, solubilizer, chelating agent and the like in chemical commercial dye are not added in the dyeing process, so that the cheese dyed by the vegetable dye is safer, more environment-friendly, natural and nontoxic and has good development prospect.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to specific experimental data, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The dyeing process of the cotton yarn comprises the following steps:
(1) soaking: soaking cotton yarn in water at 50 deg.c for 10-15 min;
(2) modification: preparing a modification solution, wherein the modification solution is a chitosan solution, and the dosage of chitosan is 1-2 times of the mass of cotton yarns; putting the cotton yarn into the modifying liquid, heating to 35 ℃ at a bath ratio of 1:8, preserving heat for 20min, then heating to 95 ℃, preserving heat for 30min, taking out the modified cotton yarn, and washing with water for later use;
(3) dyeing: preparing a plant dye bath, placing the modified cotton yarn in the plant dye bath, wherein the bath ratio is 1:8, the dyeing pH is 5-6, the temperature is increased to 95 ℃, the temperature increase rate is 2 ℃/min, and the dyeing time is 60 min; taking out the dyed cotton yarn, and washing the cotton yarn for later use;
(4) soaping: preparing a soap lotion (the soap lotion is prepared from industrial soap), putting dyed cotton yarns into the soap lotion with the bath ratio of 1:8 and the soaping color pH of 6-7, keeping the temperature at 65 ℃ for 10-15min, taking out the cotton yarns subjected to soaping, washing with water and drying.
The plant dye bath in the step (3) is prepared from plant dyes, wherein the plant dyes respectively comprise rose red plant dye, yellow brown plant dye, bright yellow plant dye, dark blue plant dye and light brown plant dye, and the plant dyes are from Changzhou Meisheng biological material Co., Ltd; the dosage of the plant dye added into the plant dye bath is 0.5-5% o.w.f, the dosage proportion is determined according to the color requirement of a client, the lighter the color is, the smaller the dosage is, otherwise, the more the color is, the flexible adjustment is realized; the pH value of the plant dye bath is adjusted by glacial acetic acid, and the concentration of the glacial acetic acid is 1 g/L.
Finally, the rose-red cotton yarn, the yellow-brown cotton yarn, the bright yellow cotton yarn, the dark blue cotton yarn and the light brown cotton yarn are obtained.
The dyeing process of the cotton yarn also comprises a dyeing process of gray cotton yarn and olive green cotton yarn, and the dyeing process of the gray cotton yarn and the olive green cotton yarn comprises the following steps:
(1) soaking: soaking cotton yarn in water at 50 deg.c for 10-15 min;
(2) dyeing: preparing a plant dye bath, soaking the cotton yarns, wringing the cotton yarns, putting the cotton yarns into the plant dye bath, heating the cotton yarns to 60 ℃ at a heating rate of 2 ℃/min for 30-60min, and taking the dyed cotton yarns out for later use; the plant dye bath is prepared from plant dyes, wherein the plant dyes respectively comprise a gray plant dye and an olive green plant dye, and the gray plant dye and the olive green plant dye are both from Changzhou Meisheng biological material Co., Ltd; the dosage of each plant dye added into the plant dye bath is 0.5 to 5 percent o.w.f; the proportion of the dosage of the plant dye added into the plant dye bath is determined according to the color requirements of customers, the lighter the color is, the less the dosage is, otherwise, the more the color is, the flexible adjustment is realized;
(3) post mordant dyeing: preparing a mordant dyeing solution, putting the dyed cotton yarn into the mordant dyeing solution at a bath ratio of 1:8, heating to 40 ℃, keeping the temperature for 30min, and taking out the mordant dyed cotton yarn for washing; the aftermordant dyeing solution is composed of 1g/L acetic acid and 0.5-3g/L ferrous sulfate solution, and the acetic acid is firstly added and then the ferrous sulfate is added during preparation;
(4) soaping: putting the cotton yarns into 5g/L neutral soaping liquid, keeping the temperature at 65 ℃ for 10-15min, taking out, washing with water and drying, wherein the bath ratio is 1:8, the soaping color pH is 6-7.
Finally, gray cotton yarn and olive green cotton yarn are obtained.
The dyeing process of the cotton yarn further comprises a dyeing process of black cotton yarn, and the dyeing process of the black cotton yarn comprises the following steps:
(1) soaking: soaking cotton yarn in water at 50 deg.c for 10-15 min;
(2) dyeing: preparing a plant dye bath, soaking the cotton yarns, wringing the cotton yarns, putting the cotton yarns into the plant dye bath, heating the cotton yarns to 60 ℃ at a heating rate of 2 ℃/min for 30-60min, and taking the dyed cotton yarns out for later use; the vegetable dye bath is prepared from 7% o.w.f olive green vegetable dye and 3% o.w.f gray vegetable dye;
(3) post mordant dyeing: preparing a mordant dyeing solution, putting the dyed cotton yarn into the mordant dyeing solution at a bath ratio of 1:8, heating to 40 ℃, keeping the temperature for 30min, and taking out the mordant dyed cotton yarn for washing; the aftermordant dyeing solution is composed of 1g/L acetic acid and 0.5-3g/L ferrous sulfate solution, and the acetic acid is firstly added and then the ferrous sulfate is added during preparation;
(4) counterdyeing: repeating the step (2) and the step (3) once;
(5) soaping: putting the cotton yarns into 5g/L neutral soaping liquid, keeping the temperature at 65 ℃ for 10-15min, taking out, washing with water and drying, wherein the bath ratio is 1:8, the soaping color pH is 6-7.
Finally, black cotton yarn was obtained.
The dyeing process of the cotton yarn further comprises a dyeing process of green cotton yarn, and the dyeing process of the green cotton yarn comprises the following steps:
(1) soaking: soaking cotton yarn in water at 50 deg.c for 10-15 min;
(2) dyeing: preparing a plant dye bath, placing the soaked cotton yarn in the plant dye bath, wherein the bath ratio is 1:8, the dyeing pH is 5-6, heating to 80 ℃, the heating rate is 2 ℃/min, and the dyeing time is 60 min; taking out the dyed cotton yarn, and washing the cotton yarn for later use; the vegetable dye bath is prepared from a green vegetable dye, and the dosage of the green vegetable dye added into the vegetable dye bath is 0.5-5% o.w.f; the green plant dye is from Heizhou Meisheng biological material Co., Ltd, and the dosage of the green plant dye is determined according to the color requirement of a customer;
(3) soaping: preparing a soap lotion, putting the dyed cotton yarn into 5g/L of the soap lotion, keeping the bath ratio at 1:8 and the color pH of the soap lotion at 6-7, keeping the temperature at 65 ℃ for 10-15min, taking out the cotton yarn after the soap lotion, and washing and drying the cotton yarn.
Finally, a green cotton yarn was obtained.
Example 2
The real silk dyeing process comprises the following steps:
(1) soaking: soaking the real silk in water at 50 ℃ for 10-15 min;
(2) dyeing: preparing a vegetable dye bath, placing the soaked real silk in the vegetable dye bath, wherein the bath ratio is 1:8, the dyeing pH is 5-6, heating to 95 ℃, the heating rate is 2 ℃/min, and the dyeing time is 60 min; taking out the dyed real silk, and washing with water for later use;
(3) soaping: preparing soap lotion (the soap lotion is prepared from industrial soap), putting dyed real silk into 5g/L of the soap lotion, keeping the bath ratio at 1:8 and the soaping color pH at 6-7, keeping the temperature at 55 ℃ for 10-15min, taking out the real silk washed by the soap, and washing and drying the real silk.
The plant dye bath in the step (2) is prepared from plant dyes, wherein the plant dyes comprise rose red plant dyes, yellow-brown plant dyes, bright yellow plant dyes, dark blue plant dyes and light brown plant dyes; the dosage of the plant dye added into the plant dye bath is 0.5 to 5 percent o.w.f; the pH value of the plant dye bath is adjusted by glacial acetic acid, and the concentration of the glacial acetic acid is 1 g/L.
Similarly, the plant dye is from Hezhou Meisheng biomaterial Co., Ltd, and the amount of the plant dye is determined according to the color requirement of customers, and the adjustment is flexible.
Finally, rose red real silk, yellow brown real silk, bright yellow real silk, dark blue real silk and light brown real silk are obtained.
Example 3
The wool dyeing process comprises the following steps:
(1) soaking: soaking the wool in water at 50 ℃ for 10-15 min;
(2) dyeing: preparing a vegetable dye bath, placing the soaked wool in the vegetable dye bath, wherein the bath ratio is 1:8, the dyeing pH is 5-6, heating to 95 ℃, the heating rate is 2 ℃/min, and the dyeing time is 60 min; taking out the dyed wool, and washing with water for later use;
(3) soaping: preparing a soap washing solution (the soap washing solution is prepared from industrial soap), placing the dyed wool into 5g/L of the soap washing solution, keeping the bath ratio at 1:8 and the soaping color pH at 6-7, keeping the temperature at 55 ℃ for 10-15min, taking out the soaped wool, washing with water and drying.
The plant dye bath in the step (2) is prepared from plant dyes, wherein the plant dyes comprise rose red plant dyes, yellow-brown plant dyes, bright yellow plant dyes, dark blue plant dyes and light brown plant dyes; the dosage of the plant dye added into the plant dye bath is 0.5 to 5 percent o.w.f; the pH value of the plant dye bath is adjusted by glacial acetic acid, and the concentration of the glacial acetic acid is 1 g/L.
Similarly, the plant dye is from Hezhou Meisheng biomaterial Co., Ltd, and the amount of the plant dye is determined according to the color requirement of customers, and the adjustment is flexible.
Finally, rose red wool, yellow-brown wool, bright yellow wool, dark blue wool and light brown wool are obtained.
Effect verification:
the performance of the rose red cotton yarn 1, the yellow-brown cotton yarn 2, the bright yellow cotton yarn 3, the dark blue cotton yarn 4, the light brown cotton yarn 5, the gray cotton yarn 6, the olive green cotton yarn 7, the black cotton yarn 8, the green cotton yarn 9, the rose red real silk 10, the yellow-brown real silk 11, the bright yellow real silk 12, the dark blue real silk 13, the light brown real silk 14, the rose red wool 15, the yellow-brown wool 16, the bright yellow wool 17, the dark blue wool 18, and the light brown wool 19 obtained in the above examples 1, 2, and 3 was measured according to the following criteria, and the measurement results are shown in table 1.
Soaping color fastness test: measured according to GB/T3921-2008 soaping color fastness resistance of textile color fastness test.
Rub fastness test: measured according to GB/T3920-2008 ' color fastness to rubbing ' of textile color fastness test '.
Table 1 results of performance tests of examples 1, 2 and 3
As can be seen from Table 1, the dyed cotton yarn, real silk and wool all have excellent dyeing effect and high dyeing fastness. In the actual production, the technical problem that the layer difference is easy to generate when the cheese is dyed by the vegetable dye is also solved, the vegetable dye can be widely applied to cheese dyeing, the cheese dyeing is industrialized, and any dispersing agent, solubilizer, chelating agent and the like in chemical commercial dye are not added in the dyeing process, so that the cheese dyeing method is safer and more environment-friendly, natural and nontoxic and has good development prospect.
The invention has many applications, and the above description is only a preferred embodiment of the invention. It should be noted that the above examples are only for illustrating the present invention, and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications can be made without departing from the principles of the invention and these modifications are to be considered within the scope of the invention.
Claims (10)
1. A dyeing process of vegetable dye is characterized by comprising a dyeing process of cotton yarn, a dyeing process of real silk and a dyeing process of wool; the dyeing process of the cotton yarn comprises the following steps:
(1) soaking: soaking cotton yarn in water at 50 ℃ for 10-15 min;
(2) modification: preparing a modifying solution, putting the cotton yarn into the modifying solution, heating to 35 ℃ at a bath ratio of 1:8, preserving heat for 20min, then heating to 95 ℃, preserving heat for 30min, taking out the modified cotton yarn, and washing with water for later use;
(3) dyeing: preparing a plant dye bath, placing the modified cotton yarn in the plant dye bath, wherein the bath ratio is 1:8, the dyeing pH is 5-6, the temperature is increased to 95 ℃, the temperature increase rate is 2 ℃/min, and the dyeing time is 60 min; taking out the dyed cotton yarn, and washing the cotton yarn for later use;
(4) soaping: preparing a soap washing solution, placing the dyed cotton yarn into 5g/L of the soap washing solution, keeping the bath ratio at 1:8 and the soaping color pH at 6-7, keeping the temperature at 65 ℃ for 10-15min, taking out the soaped cotton yarn, washing with water and drying.
2. The dyeing process of plant dye according to claim 1, characterized in that the modifying solution in the step (2) is chitosan solution, and the amount of the chitosan is 1-2 times of the mass of the cotton yarn.
3. The dyeing process of plant dye according to claim 1, characterized in that the plant dye bath in the step (3) is configured by plant dyes, and the plant dyes respectively comprise rose red plant dye, yellow-brown plant dye, bright yellow plant dye, dark blue plant dye, light brown plant dye; the dosage of each plant dye added into the plant dye bath is 0.5-5% o.w.f; the pH value of the plant dye bath is adjusted by glacial acetic acid, and the concentration of the glacial acetic acid is 1 g/L.
4. The dyeing process of plant dye according to claim 1, characterized in that the dyeing process of cotton yarn, also including the dyeing process of gray and olive green cotton yarn, includes the following steps:
(1) soaking: soaking cotton yarn in water at 50 ℃ for 10-15 min;
(2) dyeing: preparing a plant dye bath, soaking the cotton yarns, wringing the cotton yarns, putting the cotton yarns into the plant dye bath, heating the cotton yarns to 60 ℃ at a heating rate of 2 ℃/min for 30-60min, and taking the dyed cotton yarns out for later use; the vegetable dye bath is prepared from vegetable dyes, wherein the vegetable dyes respectively comprise a gray vegetable dye and an olive green vegetable dye; the dosage of each plant dye added into the plant dye bath is 0.5-5% o.w.f;
(3) post mordant dyeing: preparing a mordant dyeing solution, putting the dyed cotton yarn into the mordant dyeing solution at a bath ratio of 1:8, heating to 40 ℃, keeping the temperature for 30min, and taking out the mordant dyed cotton yarn for washing; the aftermordant dyeing solution is composed of 1g/L acetic acid and 0.5-3g/L ferrous sulfate solution, and the acetic acid is firstly added and then the ferrous sulfate is added during preparation;
(4) soaping: putting the cotton yarns into 5g/L neutral soaping liquid, keeping the temperature at 65 ℃ for 10-15min, taking out, washing with water and drying, wherein the bath ratio is 1:8, the soaping color pH is 6-7.
5. The dyeing process of plant dye according to claim 1, characterized in that the dyeing process of cotton yarn further comprises a dyeing process of black cotton yarn, and the dyeing process of black cotton yarn comprises the following steps:
(1) soaking: soaking cotton yarn in water at 50 ℃ for 10-15 min;
(2) dyeing: preparing a plant dye bath, soaking the cotton yarns, wringing the cotton yarns, putting the cotton yarns into the plant dye bath, heating the cotton yarns to 60 ℃ at a heating rate of 2 ℃/min for 30-60min, and taking the dyed cotton yarns out for later use; the vegetable dye bath is prepared from 7% o.w.f olive green vegetable dye and 3% o.w.f gray vegetable dye;
(3) post mordant dyeing: preparing a mordant dyeing solution, putting the dyed cotton yarn into the mordant dyeing solution at a bath ratio of 1:8, heating to 40 ℃, keeping the temperature for 30min, and taking out the mordant dyed cotton yarn for washing; the aftermordant dyeing solution is composed of 1g/L acetic acid and 0.5-3g/L ferrous sulfate solution, and the acetic acid is firstly added and then the ferrous sulfate is added during preparation;
(4) counterdyeing: repeating the step (2) and the step (3) once;
(5) soaping: putting the cotton yarns into 5g/L neutral soaping liquid, keeping the temperature at 65 ℃ for 10-15min, taking out, washing with water and drying, wherein the bath ratio is 1:8, the soaping color pH is 6-7.
6. The dyeing process of plant dye according to claim 1, characterized in that the dyeing process of cotton yarn further comprises a dyeing process of green cotton yarn, and the dyeing process of green cotton yarn comprises the following steps:
(1) soaking: soaking cotton yarn in water at 50 ℃ for 10-15 min;
(2) dyeing: preparing a plant dye bath, placing the soaked cotton yarn in the plant dye bath, wherein the bath ratio is 1:8, the dyeing pH is 5-6, heating to 80 ℃, the heating rate is 2 ℃/min, and the dyeing time is 60 min; taking out the dyed cotton yarn, and washing the cotton yarn for later use; the vegetable dye bath is prepared from green vegetable dye, and the dosage of the green vegetable dye added into the vegetable dye bath is 0.5-5% o.w.f;
(3) soaping: preparing a soap washing solution, placing the dyed cotton yarn into 5g/L of the soap washing solution, keeping the bath ratio at 1:8 and the soaping color pH at 6-7, keeping the temperature at 65 ℃ for 10-15min, taking out the soaped cotton yarn, washing with water and drying.
7. The dyeing process of vegetable dye according to claim 1, characterized in that the dyeing process of real silk comprises the following steps:
soaking: soaking real silk in water at 50 ℃ for 10-15 min;
(2) dyeing: preparing a vegetable dye bath, placing the soaked real silk in the vegetable dye bath, wherein the bath ratio is 1:8, the dyeing pH is 5-6, heating to 95 ℃, the heating rate is 2 ℃/min, and the dyeing time is 60 min; taking out the dyed real silk, and washing with water for later use;
(3) soaping: preparing a soap washing solution, putting dyed real silk into 5g/L of the soap washing solution, keeping the bath ratio at 1:8 and the pH value of the soaping color at 6-7, keeping the temperature at 55 ℃ for 10-15min, taking out the real silk after soaping, washing with water and drying.
8. The dyeing process of plant dye according to claim 7, characterized in that the plant dye bath in the step (2) is configured by plant dyes, and the plant dyes respectively comprise rose red plant dye, yellow-brown plant dye, bright yellow plant dye, dark blue plant dye, light brown plant dye; the dosage of each plant dye added into the plant dye bath is 0.5-5% o.w.f; the pH value of the plant dye bath is adjusted by glacial acetic acid, and the concentration of the glacial acetic acid is 1 g/L.
9. The dyeing process of vegetable dyes according to claim 1, characterized in that the dyeing process of wool comprises the following steps:
(1) soaking: soaking the wool in water at 50 ℃ for 10-15 min;
(2) dyeing: preparing a vegetable dye bath, placing the soaked wool in the vegetable dye bath, wherein the bath ratio is 1:8, the dyeing pH is 5-6, heating to 95 ℃, the heating rate is 2 ℃/min, and the dyeing time is 60 min; taking out the dyed wool, and washing with water for later use;
(3) soaping: preparing a soap washing solution, putting the dyed wool into 5g/L of the soap washing solution, keeping the bath ratio at 1:8 and the pH value of the soaping color at 6-7, keeping the temperature at 55 ℃ for 10-15min, taking out the soaped wool, washing with water and drying.
10. The dyeing process of plant dye according to claim 9, characterized in that the plant dye bath in step (2) is configured by plant dyes, which respectively comprise rose-red plant dye, yellow-brown plant dye, bright yellow plant dye, dark blue plant dye, light brown plant dye; the dosage of each plant dye added into the plant dye bath is 0.5-5% o.w.f; the pH value of the plant dye bath is adjusted by glacial acetic acid, and the concentration of the glacial acetic acid is 1 g/L.
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| CN114808483A (en) * | 2021-06-24 | 2022-07-29 | 上海九裕纺织科技有限公司 | Application of vegetable dye to nylon fabric and vegetable dye thereof |
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| CN115216981A (en) * | 2021-04-20 | 2022-10-21 | 陈树郎 | Dyeing process of cashmere blended yarn |
| CN115262248A (en) * | 2022-07-23 | 2022-11-01 | 雅莹集团股份有限公司 | Real silk garment fabric production process |
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