CN114182541B - Efficient dyeing method and application of fresh rhododendron leaf - Google Patents
Efficient dyeing method and application of fresh rhododendron leaf Download PDFInfo
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- CN114182541B CN114182541B CN202111484799.2A CN202111484799A CN114182541B CN 114182541 B CN114182541 B CN 114182541B CN 202111484799 A CN202111484799 A CN 202111484799A CN 114182541 B CN114182541 B CN 114182541B
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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
- D06P1/67341—Salts or hydroxides of elements different from the alkaline or alkaline-earth metals or with anions containing those elements
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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
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
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Abstract
The invention discloses a high-efficiency dyeing method for fresh leaves of rhododendron leaf, which comprises the steps of fresh leaf picking and fresh leaf treatment: freezing fresh folium Rhododendri Simsii at-40deg.C for 5-20 days; dye liquor preparation: boiling fresh Zijuan leaves in boiling water at a solid-to-liquid ratio of 1:4-1:2 for 40-60min, standing, cooling, and filtering to obtain tea juice; boiling and dyeing: placing cotton cloth in a dye liquor for boiling and dyeing for 40-90min, wherein the temperature of the dye liquor is 80-100 ℃; and (3) coal dyeing: KAl (SO) is added 4 ) 2 ·12H 2 O room temperature mordant dyeing to obtain dark and gray color, adding Ca (OH) 2 Adding CH into the yellow mordant at room temperature 3 COOH and CaCO 3 The colors of the cloth obtained after mordant dyeing at room temperature are red-violet; and (5) dyeing and cleaning. The raw materials adopted by the invention are fresh rhododendron tea leaves, the sources are wide, the freezing treatment technology is innovatively adopted, the rhododendron tea dyeing efficiency is realized, different medium dyeing effects are added, and the effect can be kept without fading after the rhododendron tea leaves are washed by the detergent. Can effectively improve the comprehensive utilization efficiency of the tea. Promote the carbon neutralization in tea production.
Description
Technical Field
The invention belongs to the field of tea dyes, and particularly relates to a high-efficiency dyeing method and application of fresh rhododendron tea leaves.
Background
Tea leaves exist in the form of finished products in daily life of people, are easier to obtain than other plant dyes, and the unique individuality of taking nature and returning to nature is also an important object of attention and development in the field of plant dyeing. The development of tea dyeing technology is gradually emphasized along with the development of traditional plant dyeing technology, the current tea dyeing technology is mainly concentrated in experimental research on ancient tea dyeing and application research on tea dyeing technology, most of the research is mainly solid color (gray), the research on the dyeing diversity presentation of the tea dyeing technology is less involved, and the tea dyeing technology is authored by adopting a dyeing related technology in the tea dyeing process, so that the tea dyeing is monotonous in expression form and color presentation. According to the analysis of the dyeing characteristics of other plant dyes, the dyeing process and the characteristics of the dyeing raw materials have a remarkable influence on the dyeing effect, and the types and the dyeing processes of different tea dyes can also have influence on the dyeing effect, so that the subtle difference of the dyeing effect of the tea dyes has a decisive effect on the artistic characteristics of the tea dyes.
The 'Zijuan' is a puer tea variety plant in tea seeds of tea group of camellia genus of camellia family of perennial, is prepared by adopting a single plant seed selection method and continuously experiment by the institute of tea research of the agricultural academy of Yunnan province, is generally made into dry tea for use, has good drinking value and has certain pigment use value. It is also a special red and purple bud tea tree, which belongs to the small arbor type and big leaf type. In the growth and development process of the plant, about 2-4 purple leaves are grown on the young shoots of the single plant, and the leaves are gradually ripe and changed into dark green along with the continuation of growth. The dyeing of tea leaves belongs to the category of plant dyeing, and the method for dyeing the plants mainly comprises a direct method, a reduction method and a mordant method. Along with the continuous development and improvement of dyeing methods and technologies, novel plant dyeing technologies such as a mordant method, an enzymatic dyeing method, an ultrasonic dyeing method and the like are also continuously applied and developed. In recent years, research on plant dyeing has become a hot spot, and researchers have applied various plant dyes to dyeing of various textiles, and have explored dyeing processes of the plant dyes for evaluation. Research on the purplish red natural coloring agent which is processed by using the purplish red tea as the preserved fruit of fingered citron is relatively increased, and Liu Mingli et al establish; shen Xiaojia and the like show that anthocyanin can prevent and treat pigmentation diseases by inhibiting tyrosinase activity and has the functions of whitening and protecting skin; studies such as tiamulin show that when the concentration of anthocyanin extract in Zijuan tea reaches a certain threshold, the growth of staphylococcus aureus and escherichia coli can be inhibited. The anthocyanin research in Zijuan mainly aims at medicines and foods, and has little research on dyeing fabrics.
Disclosure of Invention
The invention aims to: the invention aims to provide a method and application capable of effectively improving comprehensive utilization efficiency of tea, promoting carbon neutralization in tea production and preparing efficient dye by fermenting tea byproducts.
The technical scheme is as follows: the invention relates to a high-efficiency dyeing method for fresh rhododendron leaf, which comprises the following steps:
(1) Picking fresh leaves: picking fresh rhododendron leaf;
(2) Fresh leaf treatment: freezing fresh folium Rhododendri Simsii at-40deg.C for 5-20 days;
(3) Dye liquor preparation: the method comprises the steps of adopting a water boiling method, putting the fresh Zijuan leaves into boiling water, wherein the solid-liquid ratio is 1:4-1:2, stewing in water for 40-90min, standing, cooling, filtering, and reserving tea juice;
(4) Direct staining: placing cotton cloth in a dye liquor, and dying at constant temperature for 40-70min at 80-100deg.C;
(5) Mordant dyeing: respectively preparing Ca (OH) 2, caCO3, CH3COOH and KAl (SO 4) 2.12H2O with equal amounts, adding the same into the coal dye solution prepared in the step (3), adding dyed cloth, standing, taking out, drying and cooling;
(6) And (3) fixing: and cleaning the dyed cloth with clear water and a detergent, and determining the color of the dyed cloth.
(7) Dyeing result: KAl (SO) is added 4 ) 2 ·12H 2 The color obtained by O mordant dyeing is dark and gray, and Ca (OH) is added 2 The mordant dye is yellow, and CH is added 3 COOH and CaCO 3 The cloth color obtained after mordant dyeing is red-violet.
Further, in the step (2), the fresh rhododendron leaf is frozen at the temperature of-40 ℃ for 15 days.
Further, in the step (3), the solid-to-liquid ratio is 1:2.
Further, in the step (3), the boiling time is 70min.
Further, in the step (4), the boiling time is 50min.
Further, in the step (4), the temperature of the dye liquor is 90 ℃.
Further, in the step (5), the standing is performed for 24 hours.
Further, in step (5), the ratio of the coal dye liquor to the reagent is (15:1 v/v).
The invention also provides an application of the rhododendron leaf fresh leaf high-efficiency dyeing method in dyeing fabrics.
The beneficial effects are that: compared with the prior art, the invention has the following remarkable advantages:
1. the raw materials are abundant and simple in sources. The raw materials adopted by the invention are fresh tea leaves of rhododendron purpureum, and the sources are wide;
2. the novel technology of freezing treatment realizes high efficiency dyeing of rhododendron tea, different dyeing effects (from gray to red-purple) by adding different media, and the effect can keep the natural color from fading after being washed by a detergent.
3. Is a high-efficiency high-end clothes dyeing method. The dyeing method is applied to the dyeing of clothes, and different dyeing effects can be obtained through different coal dyeing mediums.
Can effectively improve the comprehensive utilization efficiency of the tea. Promote the carbon neutralization in tea production. The fresh tea leaves used in the invention are mature fresh tea leaves, do not occupy daily fresh tea leaves for processing, and can effectively improve the utilization rate of tea leaves.
Detailed Description
The technical scheme of the invention is further described below.
Scheme 1 treatment of dyeing Zijuan tea leaves at different freezing times
Dividing picked fresh Zijuan leaves into 5 groups with equal quantity, designing non-freezing (CK), freezing 5d, 10d, 15d and 20d 5 treatments, boiling and dyeing in distilled water with solid-liquid ratio of 1:1 and 100 ℃ for 30min, cooling, placing into cotton cloth, standing for 24h, taking out, cleaning, drying, and recording characterization colors.
Scheme 2 treatment of dyeing Zijuan tea leaves at different dyeing liquid temperatures
Freezing picked fresh Zijuan leaves for 15 days, dividing into 5 groups with equal amount, respectively setting the dye liquor temperature at 60 ℃,70 ℃, 80 ℃, 90 ℃ and 100 ℃ for 5 treatments, unifying the solid-liquid ratio at 1:1, boiling and dyeing for 30mini, cooling, putting into cotton cloth, standing for 24h, taking out, cleaning, drying, and recording the characterization color.
Scheme 3 treatment of dyeing Zijuan tea leaves by different solid-liquid ratios
Freezing picked fresh Zijuan leaves for 15 days, dividing into 5 groups with equal amounts, respectively setting solid-liquid ratios of 1:1,1:2,1:3,1:4 and 1:5, boiling and dyeing in distilled water at 100 ℃ for 30min, cooling, placing into cotton cloth, standing for 24h, taking out, cleaning, drying, and recording the characteristic color.
Scheme 4 treatment of dyeing Zijuan tea leaves at different boiling and dyeing times
The picked fresh Zijuan leaves are frozen for 15 days and then divided into 5 groups with equal quantity, the boiling and dyeing time is 30min,40min,50min,60min,70min 5 respectively, and the obtained products are boiled and dyed in distilled water with the solid-liquid ratio of 1:5 and the temperature of 100 ℃ for 30 minutes and then cooled, put into cotton cloth for standing for 24 hours, taken out, cleaned and dried, and the characteristic color is recorded.
Scheme 5 treatment of different mordants for dyeing different material fabrics
Equal amounts of Ca (OH) 2, caCO3, CH3COOH and KAl (SO 4) 2.12H2O are prepared respectively, picked fresh leaves of Zijuan are frozen for 15 days and then divided into equal amounts of 4 groups (one group is a distilled water control group), the equal amounts of 4 groups are boiled and dyed for 50 minutes in the environment with the solid-liquid ratio of 1:3 and the dye liquor temperature of 100 ℃, then cooled, added into each reagent (15:1 (V/V)), and simultaneously added into three fabrics (full cotton gauze, cotton cloth containing 30% polyester fibers and 100% milk cotton yarn) with the same specification, stood for 24 hours, taken out, dried, cooled and recorded for representing colors.
Scheme 1 influence of different freezing times on dyeing effect of Zijuan tea
The dyeing performance is best when the freezing time of the fresh leaves of the Zijuan is 15 days. The length of the freezing time has obvious influence on the dyeing effect of the Zijuan, the color of the frozen Zijuan fresh She Ran is darker than that of the fresh leaves which are not frozen, and the difference of the dyeing effect of the frozen fresh leaves of 15d and 20d is not great.
TABLE 1 difference in staining effect at different freezing times
Note that: l represents brightness; s, representing purity, namely saturation of color; h, representing color angle, which is characteristic index for distinguishing color; a, representing the color index of colors from magenta to green; b, representing the color index from yellow to blue;
scheme 2 influence of different dye liquor temperatures on rhododendron leaf dyeing effect
Different dyeing temperatures of the dye liquor are designed, the dye liquor temperature is found to have obvious influence on the dyeing of the fresh silk tree leaves, the higher the temperature is, the more obvious the dyeing effect is, the best dyeing effect is achieved when the temperature of the dye liquor is 90 ℃ and 100 ℃, and the colors are deep red.
TABLE 2 dyeing effect difference at different dye liquor temperatures
L represents brightness; s, representing purity, namely saturation of color; h, representing color angle, which is characteristic index for distinguishing color; a, representing the color index of colors from magenta to green; b, representing the color index from yellow to blue;
scheme 3 influence of different solid-to-liquid ratios on fresh rhododendron leaf dyeing effect
The experiment designs different solid-to-liquid ratios, and discovers that the different solid-to-liquid ratios have different influences on the dyeing effect of the Zijuan. When the solid-liquid ratio is 1:2, the dyeing effect of the Zijuan is red, and the solid-liquid ratio is 1:3 and the solid-liquid ratio is 1:4, and the effects are consistent and are all dark red.
TABLE 3 difference in dyeing effect at different solid-to-liquid ratios
L represents brightness; s, representing purity, namely saturation of color; h, representing color angle, which is characteristic index for distinguishing color; a, representing the color index of colors from magenta to green; b, representing the color index from yellow to blue;
scheme 4 influence of different boiling times on fresh rhododendron leaf dyeing effect
By designing the boiling and dyeing time to be 30min,40min,50min,60min and 70min respectively, the dyeing effects of the Zijuan at different boiling and dyeing times are found to be different, and the longer the boiling and dyeing time is, the more obvious the dyeing effect is.
TABLE 4 difference in dyeing effect at different boiling times
L represents brightness; s, representing purity, namely saturation of color; h, representing color angle, which is characteristic index for distinguishing color; a, representing the color index of colors from magenta to green; b, representing the color index from yellow to blue
In conclusion, the optimal dyeing process is that the fresh Zijuan leaves are extracted for 50min under the condition that the solid-liquid ratio is 1:3 and the moistening and boiling temperature is 90 ℃ when being frozen for 15d at the temperature of minus 40 ℃ so as to achieve the optimal dyeing effect.
Scheme 5 analysis of dyeing effects of different mordant treatments on different material fabrics
The tea juice can show rich colors when being combined with different mordants, the color obtained by adding KAl (SO 4) 2.12H2O mordant is dark and gray, the color obtained by adding mordant is yellow, and the color of cloth obtained by adding CH3COOH and CaCO3 mordant is red-purple (CaCO 3 is darker than CH3 COOH). Meanwhile, the color depth of the dye is different when the dye meets cloth with different materials, wherein the best dyeing effect is cotton cloth, and then the dyeing effect of cotton gauze and knitting wool is the shallowest.
TABLE 5 dyeing effect differences under different mordants and different cloths
L represents brightness; s, representing purity, namely saturation of color; h, representing color angle, which is characteristic index for distinguishing color; a, representing the color index of colors from magenta to green; b represents the color index of the colors from yellow to blue.
Claims (2)
1. The application of the rhododendron leaf fresh leaf high-efficiency dyeing method to fabric dyeing is characterized in that the application process comprises the following steps:
(1) Picking fresh leaves: picking fresh rhododendron leaf;
(2) Fresh leaf treatment: freezing fresh folium Rhododendri Simsii at-40deg.C for 5-20 days;
(3) Dye liquor preparation: the method comprises the steps of adopting a water boiling method, putting the fresh Zijuan leaves into boiling water, wherein the solid-liquid ratio is 1:4-1:2, stewing in water for 40-90min, standing, cooling, filtering, and reserving tea juice;
(4) Direct staining: placing cotton cloth in a dye liquor, and dying at constant temperature for 40-70min at 80-100deg.C;
(5) Mordant dyeing: respectively preparing Ca (OH) 2, caCO3, CH3COOH and KAl (SO 4) 2.12H2O with equal amounts, adding the same into the coal dye solution prepared in the step (3), adding dyed cloth, standing, taking out, drying and cooling;
(6) And (3) fixing: cleaning the dyed cloth with clear water and a detergent, and determining the color of the dyed cloth;
(7) Dyeing result: KAl (SO) is added 4 ) 2 ·12H 2 The color obtained by O mordant dyeing is dark and gray, and Ca (OH) is added 2 The mordant dye is yellow, and CH is added 3 COOH and CaCO 3 The cloth color obtained after mordant dyeing is red-violet;
in the step (2), the fresh rhododendron leaf is frozen at the temperature of minus 40 ℃ for 15 days;
in the step (3), the boiling and dyeing time is 70min, and the solid-to-liquid ratio is 1:3;
in the step (4), the boiling and dyeing time after adding the dyed cloth is 50min;
in the step (4), the temperature of the dye liquor is 90 ℃.
2. The use of the efficient dyeing method for fresh rhododendron tea leaves according to claim 1 for dyeing fabrics, wherein in the step (5), the standing time is 24 hours.
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| CN109673769A (en) * | 2019-03-06 | 2019-04-26 | 福建省农业科学院茶叶研究所 | A kind of processing method of colour tea |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007055105A1 (en) * | 2005-11-08 | 2007-05-18 | Asahi Breweries, Ltd. | Novel anthocyanin compound and method for producing same |
| CN106359667A (en) * | 2016-08-26 | 2017-02-01 | 张天才 | Processing method of cold-brewed tea |
| CN109673769A (en) * | 2019-03-06 | 2019-04-26 | 福建省农业科学院茶叶研究所 | A kind of processing method of colour tea |
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| 刘敏 等.茶树品种紫娟茶鲜叶的染色特性研究.《茶叶通讯》.2022,第49卷(第1期),第49-53页. * |
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