CN112962330A - Plant coloring agent and preparation method thereof - Google Patents
Plant coloring agent and preparation method thereof Download PDFInfo
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- CN112962330A CN112962330A CN202110287968.7A CN202110287968A CN112962330A CN 112962330 A CN112962330 A CN 112962330A CN 202110287968 A CN202110287968 A CN 202110287968A CN 112962330 A CN112962330 A CN 112962330A
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- mordant
- coloring agent
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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
- D06P1/46—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
-
- 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
- D06P1/64—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 low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/651—Compounds without nitrogen
- D06P1/65106—Oxygen-containing compounds
- D06P1/65131—Compounds containing ether or acetal groups
-
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention discloses a plant coloring agent and a preparation method thereof. The plant coloring agent comprises 1-3 parts of compound thickening agent, 12-18 parts of compound mordant and 0.5-2 parts of soybean meal. The compound thickener comprises sesbania gum, guar gum or carrageenan. The compound mordant is prepared from copperas, tannic acid and water. The weight ratio of the sesbania gum to the guar gum is 9:1, and the weight ratio of the sesbania gum to the carrageenan is 7: 3. The weight ratio of copperas to tannic acid was 9: 1. The invention also provides a preparation method of the plant coloring agent. The plant dyeing agent has good printing performance, clear pattern contour edge after dyeing fabrics, good permeability and higher color fastness.
Description
Technical Field
The invention relates to the field of dyeing processes of fabrics, in particular to a plant dyeing agent and a preparation method thereof.
Background
Plant dyeing refers to a process of dyeing a textile product using natural dyes, while using no or little chemical auxiliaries during dyeing, but using natural dyes obtained from the nature.
The plant coloring agent is also called plant dye, and refers to dye which is obtained by extracting pigment from flowers, grasses, trees, stems, leaves, fruits, seeds, peels and roots in the nature to be used as fabric. The plant coloring agent is nontoxic and harmless, and does not cause harm to human health. The fabric dyed by the plant dyeing agent has natural color and shape and is not faded for a long time; has the functions of insect prevention and antibiosis, which is not possessed by chemical dyes. Is especially suitable for children's clothes, underwear, shoes and socks, automobile interiors, bags, indoor and bedding and the like. The color fastness is high, and the practical use requirement can be met.
Most of the existing plant coloring agents have low dyeing rate, relatively low color fastness, poor permeability, undesirable anti-carsickness dyeing effect and poor printing performance, which are closely related to the performance of the raw materials.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a plant coloring agent and a preparation method thereof.
A plant coloring agent is prepared from the following raw materials in parts by weight: 1-3 parts of compound thickening agent, 12-18 parts of compound mordant and 0.5-2 parts of soybean meal.
Preferably, the plant coloring agent is prepared from the following raw materials in parts by weight: 2 parts of compound thickening agent, 14.5 parts of compound mordant and 1 part of soybean meal.
Further, the compound thickener consists of sesbania gum and guar gum or sesbania gum and carrageenan.
Further, the compound mordant is prepared from copperas, tannic acid and water.
Furthermore, the weight ratio of sesbania gum to guar gum is 9:1, and the weight ratio of sesbania gum to carrageenan is 7: 3.
Further, the weight ratio of copperas to tannic acid was 9: 1.
The preparation method of the compound mordant comprises the following steps: compounding copperas and tannic acid according to a weight ratio to obtain a mixture I, mixing the mixture I with water according to a weight ratio of 3:250, and fully stirring and uniformly mixing to obtain the copperas.
The invention also provides a preparation method of the plant coloring agent, which comprises the following steps:
respectively weighing the compound thickener, the soybean meal and the compound mordant, mixing, fully stirring to fully mix, and standing to obtain the product.
When the soybeans are roasted and peeled, they are ground into a powder, which contains a large amount of dietary fiber and soybean protein. The product is called soy flour. The protein can also have a complex reaction with the tea polyphenol, so that the dye uptake is increased, and the color is deepened. When the cloth fiber is attached with protein, the fiber on the cloth is changed from common fiber to hydrophilic fiber, so that the amino and carboxyl of the protein can be combined with anionic or cationic dye and can also form covalent bond with reactive dye to enhance the combination of the pigment and the cloth fiber.
After mordant treatment by mordant, the dye is fixed on the fiber by complexing action of mordant and some matched groups in dyeing dye components, thereby improving the color fastness. Meanwhile, the directly dyed fabric usually has the problem of single color, and the color range of the dyed fabric can be expanded by mordant dyeing of the fabric. The copperas as mordant has the advantages of obvious dyeing effect, low cost, simple preparation method and the like, and the copperas (ferrous sulfate heptahydrate) is used as the mordant. Meanwhile, in consideration of the environmental protection problem, the natural mordant is compounded with the metal mordant, so that the use of the metal salt mordant is reduced, and the mordant effect of the compounded mordant is better than that of a single mordant. The water solution of the tannic acid adopted by the invention meets copperas water to turn into blue-black, and the tannic acid can solidify protein. Therefore, the tannin and the copperas are compounded, so that the dyeing of the printed fabric can be increased, the mordant can be prevented from being dyed in other patterns of the fabric, and the color fixing rate of the printed fabric can be improved.
The thickener is the main component of natural fabric mordant paste, is used as dye in printing paste and carrier adhered to fabric fiber, and controls the rheological property, permeability, easy halation and other features of mordant paste. The sesbania gum adopted by the invention is a natural polysaccharide high molecular substance. Sesbania gum is used as a stabilizer, thickener, stabilizer, etc. for food in daily work to improve the state and quality of food. The sesbania gum has the characteristics of high water solubility, strong thickening capacity, high viscosity, pure nature, environmental friendliness, good salt tolerance and the like. The guar gum adopted by the invention is nonionic galactomannan extracted from endosperm of guar bean of leguminous plant, and the guar gum and the derivative thereof have better water solubility and show high viscosity under low mass fraction. The carrageenan adopted by the invention has the advantages of no degradation after long-term storage and stable existence in medium-alkaline solution, and can not be decomposed or hydrolyzed after heating.
Compared with the prior art, the plant coloring agent and the preparation method thereof provided by the invention have the following beneficial effects:
(1) the dyeing agent can enable self molecules to normally pass through the fabric fiber without diffusing to other positions, and has good dyeing rate and permeability;
(2) the dissolubility is better, the sieving rate is high, and uniform patterns can be obtained;
(3) the anti-carsickness dyeing effect is good, the printing performance is good, the outline edge of the pattern is clear, and the color fastness is good.
(4) The used raw materials are low in price and meet market demands.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example 1 preparation of a plant coloring agent
Preparing a compound mordant: compounding copperas and tannic acid according to a weight ratio to obtain a mixture I, and mixing the mixture I with water according to a ratio of 3:250, and fully stirring and uniformly mixing to obtain the finished product.
Preparing a plant coloring agent: respectively weighing the compound thickener, the soybean meal and the compound mordant, mixing, fully stirring to fully mix, and standing to obtain the product.
Embodiment 2, a plant coloring agent is prepared from the following raw materials in parts by weight: 1 part of compound thickening agent, 12 parts of compound mordant and 0.5 part of soybean meal.
Preferably, the plant coloring agent is prepared from the following raw materials in parts by weight: 2 parts of compound thickening agent, 14.5 parts of compound mordant and 1 part of soybean meal.
The compound thickener is composed of sesbania gum and guar gum, and the compound mordant is prepared from copperas, tannic acid and water. The weight ratio of sesbania gum to guar gum is 9:1, and the weight ratio of copperas to tannic acid is 9: 1.
The preparation is analogous to example 1.
Embodiment 3, a plant coloring agent is prepared from the following raw materials in parts by weight: 3 parts of compound thickening agent, 18 parts of compound mordant and 2 parts of soybean meal.
Preferably, the plant coloring agent is prepared from the following raw materials in parts by weight: 2 parts of compound thickening agent, 14.5 parts of compound mordant and 1 part of soybean meal.
Wherein the compound thickener consists of sesbania gum and carrageenan, and the compound mordant is prepared from copperas, tannic acid and water. The weight ratio of the sesbania gum to the carrageenan is 7:3, and the weight ratio of the copperas to the tannic acid is 9: 1.
The preparation is analogous to example 1.
Embodiment 4, a plant coloring agent is prepared from the following raw materials in parts by weight: 2 parts of compound thickening agent, 14.5 parts of compound mordant and 1 part of soybean meal.
Wherein the compound thickener consists of sesbania gum and carrageenan, and the compound mordant is prepared from copperas, tannic acid and water. The weight ratio of the sesbania gum to the carrageenan is 7:3, and the weight ratio of the copperas to the tannic acid is 9: 1.
The preparation is analogous to example 1.
Comparative example 1, a plant coloring agent, which is prepared from the following raw materials in parts by weight: 2 parts of compound thickening agent, 14.5 parts of compound mordant and 1 part of soybean meal.
The compound thickener is composed of sesbania gum and sodium polyacrylate, and the compound mordant is prepared from copperas, tannic acid and water. The weight ratio of sesbania gum to sodium polyacrylate is 7:3, and the weight ratio of copperas to tannic acid is 9: 1.
The preparation is analogous to example 1.
Comparative example 2, a plant coloring agent, which is prepared from the following raw materials in parts by weight: 2 parts of compound thickening agent, 14.5 parts of compound mordant and 1 part of soybean meal.
Wherein the compound thickener comprises sesbania gum and Arabic gum, and the compound mordant comprises copperas, tannic acid and water. The weight ratio of sesbania gum to Arabic gum is 7:3, and the weight ratio of copperas to tannic acid is 9: 1.
The preparation is analogous to example 1.
Comparative example 3, a plant coloring agent, which is prepared from the following raw materials in parts by weight: 2 parts of compound thickening agent, 14.5 parts of mordant and 1 part of soybean meal.
Wherein the compound thickener comprises sesbania gum and Arabic gum, and the mordant is prepared from copperas and water. The weight ratio of sesbania gum to Arabic gum is 7:3, and the weight ratio of copperas to water is 3: 250.
The preparation is analogous to example 1.
Comparative example 4, a plant coloring agent, which is prepared from the following raw materials in parts by weight: 2 parts of compound thickening agent, 14.5 parts of compound mordant and 2 parts of soybean meal.
Wherein the compound thickener consists of sesbania gum and carrageenan, and the compound mordant is prepared from copperas, tannic acid and water. The weight ratio of the sesbania gum to the carrageenan is 7:3, and the weight ratio of the copperas to the tannic acid is 9: 1.
The preparation is analogous to example 1.
Comparative example 5, a plant coloring agent, which is prepared from the following raw materials in parts by weight: 2 parts of compound thickening agent, 14.5 parts of compound mordant and 1 part of soybean meal.
Wherein the compound thickener consists of sesbania gum and carrageenan, and the compound mordant is prepared from copperas, tannic acid and water. The weight ratio of the sesbania gum to the carrageenan is 14:3, and the weight ratio of the copperas to the tannic acid is 9: 1.
The preparation is analogous to example 1.
Comparative example 6, a plant coloring agent, which is prepared from the following raw materials in parts by weight: 2 parts of compound thickening agent, 14.5 parts of compound mordant and 1 part of soybean meal.
Wherein the compound thickener consists of sesbania gum and carrageenan, and the compound mordant is prepared from copperas, tannic acid and water. The weight ratio of the sesbania gum to the carrageenan is 7:3, and the weight ratio of the copperas to the tannic acid is 9: 2.
The preparation is analogous to example 1.
Test example I, dyeing Effect test
Weighing pure cotton cloth, adding green tea with the same weight, decocting in water to boil for 10min, filtering, and collecting tea soup; placing an 80-mesh screen printing plate on the pure cotton cloth treated by the steps, and using a paste scraping brush to transfer the plant coloring agents of the examples 2-4 and the comparative examples 1-6 on the cloth through the patterns by using uniform force; naturally drying, and drying the coloring agent completely; and (3) soaking the aired cloth in the tea soup for 20min at the temperature of 70-85 ℃, then washing with water for 15 times respectively, and airing for 72 hours. And taking a picture to record the color depth of the pattern before and after washing and after solarization. The permeability, clarity and fading of the dyed cloth were evaluated by visual inspection, and table 1 is a specific scoring criteria:
TABLE 1 Scoring standards for visual methods
| Grade | Permeability of | Clarity of presentation | Fading phenomenon |
| 5 | No halation | The pattern lines are continuous and the definition is good | No fading phenomenon |
| 4 | Slight halation of thin lines | The outline of the fine lines of the pattern is fuzzy, but the medium lines have good printing effect | Slight discoloration |
| 3 | Halation phenomenon, but the pattern profile can be seen | The fine lines of the pattern are slightly discontinuous, but the medium lines have good printing effect | Partial discoloration |
| 2 | Severe halation and infection | Contour discontinuity of medium line | Is more serious |
| 1 | Severe halation and infection | The thick lines of the pattern are discontinuous | Severe severity of disease |
Table 2 shows the results of the tests carried out on cotton cloths dyed with the plant dyes of examples 2 to 4 and comparative examples 1 to 6:
TABLE 2 dyeing effect test results of inventive and comparative examples
| Permeability of | Clarity of presentation | Fading phenomenon | |
| Example 2 | 4 | 5 | 5 |
| Example 3 | 5 | 5 | 4 |
| Example 4 | 5 | 5 | 5 |
| Comparative example 1 | 3 | 4 | 3 |
| Comparative example 2 | 4 | 3 | 4 |
| Comparative example 3 | 4 | 3 | 3 |
| Comparative example 4 | 4 | 4 | 3 |
| Comparative example 5 | 3 | 4 | 3 |
| Comparative example 6 | 3 | 4 | 4 |
From the test results, the cotton cloth dyed by the embodiment of the invention has clear pattern outline edges and good permeability, and after washing and sun drying, the printed and dyed fabric has no obvious color change phenomenon and has good color fastness.
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 (8)
1. The plant coloring agent is characterized by being prepared from the following raw materials in parts by weight: 1-3 parts of compound thickening agent, 12-18 parts of compound mordant and 0.5-2 parts of soybean meal.
2. The plant coloring agent as claimed in claim 1, which is prepared from the following raw materials in parts by weight: 2 parts of compound thickening agent, 14.5 parts of compound mordant and 1 part of soybean meal.
3. The plant coloring agent according to claim 1, wherein the compound thickener comprises sesbania gum and guar gum or sesbania gum and carrageenan.
4. The plant coloring agent according to claim 1, wherein the complex mordant is prepared from copperas, tannic acid and water.
5. A plant coloring agent according to claim 3, wherein the weight ratio of sesbania gum to guar gum is 9:1, and the weight ratio of sesbania gum to carrageenan is 7: 3.
6. A plant coloring according to claim 4, wherein the weight ratio of copperas to tannic acid is 9: 1.
7. The plant coloring agent as claimed in claim 1, wherein the preparation method of the compound mordant is as follows: compounding copperas and tannic acid according to a weight ratio to obtain a mixture I, and mixing the mixture I with water according to a ratio of 3:250, and fully stirring and uniformly mixing to obtain the finished product.
8. The method for preparing a plant coloring agent according to claim 1, comprising the steps of:
respectively weighing the compound thickener, the soybean meal and the compound mordant, mixing, fully stirring to fully mix, and standing to obtain the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110287968.7A CN112962330A (en) | 2021-03-17 | 2021-03-17 | Plant coloring agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110287968.7A CN112962330A (en) | 2021-03-17 | 2021-03-17 | Plant coloring agent and preparation method thereof |
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| CN112962330A true CN112962330A (en) | 2021-06-15 |
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| CN202110287968.7A Pending CN112962330A (en) | 2021-03-17 | 2021-03-17 | Plant coloring agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI772226B (en) * | 2021-11-18 | 2022-07-21 | 曾琪媛 | Tea dyed cloth with optimized pattern and dyeing method thereof |
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2021
- 2021-03-17 CN CN202110287968.7A patent/CN112962330A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI772226B (en) * | 2021-11-18 | 2022-07-21 | 曾琪媛 | Tea dyed cloth with optimized pattern and dyeing method thereof |
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