CN110747660A - Dyeing method of cotton fiber - Google Patents
Dyeing method of cotton fiber Download PDFInfo
- Publication number
- CN110747660A CN110747660A CN201810821581.3A CN201810821581A CN110747660A CN 110747660 A CN110747660 A CN 110747660A CN 201810821581 A CN201810821581 A CN 201810821581A CN 110747660 A CN110747660 A CN 110747660A
- Authority
- CN
- China
- Prior art keywords
- dye
- cotton
- cotton fiber
- cotton fibers
- minutes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
-
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention discloses a dyeing method of cotton fibers, which comprises the following steps: a. wetting and modifying cotton fibers; b. immersing the cotton fiber treated in the step a into a dye solution, and then carrying out temperature regulation treatment to enable the cotton fiber to absorb the dye solution and fix the color to the cotton fiber; c. washing the cotton fiber obtained by the step b; d. c, fixing the color of the cotton fiber obtained by the treatment in the step c by using a color fixing agent; e. d, directly drying the cotton fibers obtained through the step d; wherein the dye solution comprises 0.1-5% o.w.f. plant dye, 0.5-1.0% o.w.f. soda ash and 0.5-2% o.w.f. mordant, and the plant dye is tobacco leaf and stem extract. The dyeing method of the cotton fiber has the advantages of environmental protection, energy conservation, good dyeing effect and the like.
Description
Technical Field
The invention relates to a method for dyeing cotton fibers, in particular to a method for dyeing cotton fibers by using a plant dye containing tobacco leaf and stem extracts.
Background
The cotton fiber products on the market at present are limited by single color of the cotton fiber, and most of the cotton fiber products need to obtain other colors by dyeing. Commonly used dyeing methods include the use of chemically synthesized dyes and the use of vegetable dyes. Among them, the dyeing method using chemical synthetic dyes requires high temperature of more than 90 ℃ in the dyeing process due to the coloring requirement of the chemical dyes, and the energy consumption is large, and the chemical synthetic dyes usually contain harmful substances, so that the pollution in the dyeing process is serious and the dyed cotton fibers may have adverse effects on human health. The traditional plant dyeing method using the plant dye also has the problems of low color fastness, insufficient color and color system, insufficient supply and the like.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the cotton fiber dyeing method which is good in dyeing effect, environment-friendly and energy-saving.
In order to achieve the above object, the dyeing method of cotton fiber of the present invention comprises the following steps: a. Wetting and modifying cotton fibers; b. immersing the cotton fiber treated in the step a into a dye solution, and then carrying out temperature regulation treatment to enable the cotton fiber to absorb the dye solution and fix the color to the cotton fiber; c. washing the cotton fiber obtained by the step b; d. c, fixing the color of the cotton fiber obtained by the treatment in the step c by using a color fixing agent; e. d, directly drying the cotton fibers obtained through the step d; wherein the dye solution comprises 0.1-5% o.w.f. plant dye, 0.5-1.0% o.w.f. soda ash and 0.5-2% o.w.f. mordant, and the plant dye is tobacco leaf and stem extract.
In some embodiments, the wet and modified cotton fibers of step a comprise: immersing the cotton fibers in an aqueous solution prepared by dissolving a treating agent in soft water at a concentration of 5-10% o.w.f., raising the temperature from room temperature to 30-40 ℃ at a rate of 2 ℃/min for 15-25 min, and then raising the temperature to 80 ℃ at a rate of 2 ℃/min for 15-20 min to wet the cotton fibers; the wetted cotton fiber was immersed in a modification solution prepared by dissolving salt and alum/ferrous sulfate in soft water at a concentration of 5% o.w.f. respectively, followed by heating from room temperature to 30-40 ℃ at a rate of 2 ℃/min for 15-25 min, followed by heating to 50 ℃ at a rate of 1 ℃/min for 30 min.
In some embodiments, the temperature treatment in step b comprises: the dye solution was warmed from room temperature to 30-45 c at a rate of 1 c/min for 20-25 minutes, followed by warming to 70-80 c at a rate of 2 c/min for 25-35 minutes.
In some embodiments, the washing in step c comprises: b, washing the cotton fibers treated in the step b for 10 minutes by using soft water at room temperature; immersing the washed cotton fiber in a detergent solution prepared by dissolving a detergent in soft water at a concentration of 0.5-5% o.w.f., and heating to 50-55 ℃ for 10-15 minutes; the cotton fibers after washing with the detergent solution were rinsed with soft water at room temperature for 10 minutes.
In some embodiments, the fixing in step d comprises: and c, immersing the cotton fibers obtained by the treatment in the step c into a fixing agent solution prepared by dissolving a fixing agent in soft water at the concentration of 3% o.w.f., and heating to 30-40 ℃ for 15-25 minutes.
In some embodiments, the dye solution is formulated by dissolving the plant dye in soft water at a concentration of 0.1-5% o.w.f., followed by the addition of soda ash at a concentration of 0.5-1.0% o.w.f. and mordant at a concentration of 0.5-2% o.w.f. Wherein the vegetable dye is an AVANI organic dye sold by Dimora colors Inc. The bath ratio of the cotton fiber to the dye solution is 1:20-1: 25.
In some embodiments, the treatment agent is Vege Plus or Vege Set, the fixing agent is Vege uvp, the detergent is saponin solution, and the mordant is alum or ferrous sulfate (typically, alum (aluminum mordant) is used as a mordant for light colors and ferrous sulfate is used as a mordant for dark colors).
Compared with the prior art, the invention has the following beneficial technical effects:
compared with the dyeing method using chemical dye, the dyeing method of the invention has the advantages of low dyeing temperature, low energy consumption, environment-friendly and pollution-free dyeing process and no hazardous substances in the dyed cotton fiber.
Compared with the traditional plant dyeing method using plant dye, the dyeing method of the invention has higher color fastness and rich color types, and meanwhile, the dye solution containing the tobacco leaf and stem extract is easy to obtain, which is also beneficial to the development of other uses of tobacco plants.
Explaining the meaning
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The following terms used herein have the following meanings.
The term "soft water" as used herein is water containing no or less soluble calcium and magnesium compounds, typically less than fifty parts per million hardness.
The term "liquor ratio" as used herein refers to the ratio of cotton fibers dyed in a dip dyeing mode to the dye solution, specifically, the weight ratio of the cotton fibers to be dyed to the dye solution.
The term "colorfastness" as used herein refers to the property of a dyed product to retain its original shade after exposure to external influences. The color fastness of cotton fibers is generally rated on a scale (total 5 scales), with higher levels giving better color fastness.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1
This example provides a method of dyeing cotton fibers, comprising the steps of:
a. wetting and modifying cotton fibers;
b. dyeing the cotton fiber obtained by the treatment in the step a;
c. washing the cotton fiber obtained by the treatment in the step b;
d. c, further fixing the color of the cotton fiber obtained by washing in the step c;
e. and d, drying the cotton fibers fixed in the step c.
Specifically, step a includes: placing the cotton fibres in a dye vat, adding soft water at normal temperature (20-25 ℃) and a treatment agent (Vege Plus) at a concentration of 5% o.w.f. to the dye vat, soaking the cotton fibres in an aqueous solution of the treatment agent, raising the temperature in the dye vat from normal temperature to 35 ℃ at a rate of +2 ℃/min for 20 minutes, subsequently raising the temperature in the dye vat to 80 ℃ at a rate of +2 ℃/min for 15 minutes, after which emptying the dye vat and washing the cotton fibres with soft water; then soft water at normal temperature, salt at a concentration of 5% o.w.f., and alum at a concentration of 5% o.w.f. were added to the same dye vat, the temperature in the dye vat was raised from normal temperature to 35 ℃ at a rate of +2 ℃/min for 20 minutes, subsequently the temperature in the dye vat was raised to 50 ℃ at a rate of +1 ℃/min for 30 minutes, after which the dye vat was emptied and the cotton fibers were washed with soft water.
The step b comprises the following steps: preparing a dye solution and dyeing the cotton fiber obtained by the step a by using the dye solution. Wherein the dye solution is prepared by dissolving a plant dye of 4% o.w.f. concentration, soda ash (sodium carbonate) of 1% o.w.f. concentration and a mordant (alum) of 2% o.w.f. concentration, which is an AVANI organic dye (N ° 1-Beige) purchased from Dimora colloids inc, containing tobacco leaf and stem extracts and an enzyme cocktail, using soft water in a separate reaction pot, followed by thorough stirring and filtration. The resulting dye solution was added to a 25 ℃ dye vat at a bath ratio of cotton fiber to dye solution of about 1:20, the temperature in the dye vat was raised to 35 ℃ at a rate of +1 ℃/min for 20 minutes, followed by raising the temperature in the dye vat to 80 ℃ at a rate of +2 ℃/min for 30 minutes, after which the dye vat was emptied.
The step c comprises the following steps: b, washing the cotton fibers obtained by the step b for 10 minutes by using room-temperature soft water, and emptying a dye vat; adding a detergent solution of soft water and a detergent (saponin solution) with the concentration of 3% o.w.f. into a dye vat, immersing the washed cotton fibers into the detergent solution, heating to 50-55 ℃ for 10-15 minutes, and then emptying the dye vat; the cotton fibers after washing with the detergent solution were rinsed with soft water at room temperature for 10 minutes, after which the dye vat was emptied.
The step d comprises the following steps: the dye vat was soaked with a fixing agent solution of soft water and fixing agent (Vege UVP) at a concentration of 3% o.w.f. to soak the cotton fibers in the fixing agent solution, the temperature in the dye vat was raised to 40 ℃ for 15 minutes, after which the dye vat was emptied.
And e, directly drying or drying in the shade the cotton fiber after color fixation without washing.
Thus, dyed cotton fibers were obtained.
Example 2
This example provides a method of dyeing cotton fibers, comprising the steps of:
a. wetting and modifying cotton fibers;
b. dyeing the cotton fiber obtained by the treatment in the step a;
c. washing the cotton fiber obtained by the treatment in the step b;
d. c, further fixing the color of the cotton fiber obtained by washing in the step c;
e. and d, drying the cotton fibers fixed in the step c.
Specifically, step a includes: placing the cotton fibres in a dye vat, adding soft water at normal temperature (20-25 ℃) and a treatment agent (Vege Plus) at a concentration of 5% o.w.f. to the dye vat, soaking the cotton fibres in an aqueous solution of the treatment agent, raising the temperature in the dye vat from normal temperature to 35 ℃ at a rate of +2 ℃/min for 20 minutes, subsequently raising the temperature in the dye vat to 80 ℃ at a rate of +2 ℃/min for 15 minutes, after which emptying the dye vat and washing the cotton fibres with soft water; then, soft water at normal temperature, salt at a concentration of 5% o.w.f., and ferrous sulfate at a concentration of 5% o.w.f. (one of alum, or ferrous sulfate may be used each time) were added to the same dye vat, the temperature in the dye vat was raised from normal temperature to 35 ℃ at a rate of +2 ℃/min for 20 minutes, and then the temperature in the dye vat was raised to 50 ℃ at a rate of +1 ℃/min for 30 minutes, after which the dye vat was emptied and the cotton fibers were washed with soft water.
The step b comprises the following steps: preparing a dye solution and dyeing the cotton fiber obtained by the step a by using the dye solution. Wherein the dye solution is prepared by dissolving a plant dye of 5% o.w.f. concentration, a soda ash (sodium carbonate) of 1% o.w.f. concentration and a mordant (alum) of 1% o.w.f. concentration in a separate reaction pot using soft water, and after sufficient stirring and filtration, the plant dye is an AVANI organic dye (N ° 6-carrellian) purchased from Dimora colloids inc, which contains tobacco leaf and stem extracts and an enzyme cocktail therein. The resulting dye solution was added to a 25 ℃ dye vat at a bath ratio of cotton fiber to dye solution of about 1:20, the temperature in the dye vat was raised to 35 ℃ at a rate of +1 ℃/min for 20 minutes, followed by raising the temperature in the dye vat to 80 ℃ at a rate of +2 ℃/min for 30 minutes, after which the dye vat was emptied.
The step c comprises the following steps: b, washing the cotton fibers obtained by the step b for 10 minutes by using room-temperature soft water, and emptying a dye vat; adding a detergent solution of soft water and a detergent (saponin solution) with the concentration of 3% o.w.f. into a dye vat, immersing the washed cotton fibers into the detergent solution, heating to 50-55 ℃ for 10-15 minutes, and then emptying the dye vat; the cotton fibers after washing with the detergent solution were rinsed with soft water at room temperature for 10 minutes, after which the dye vat was emptied.
The step d comprises the following steps: the dye vat was soaked with a fixing agent solution of soft water and fixing agent (Vege UVP) at a concentration of 3% o.w.f. to soak the cotton fibers in the fixing agent solution, the temperature in the dye vat was raised to 40 ℃ for 15 minutes, after which the dye vat was emptied.
And e, directly drying or drying in the shade the cotton fiber after color fixation without washing.
Thus, dyed cotton fibers were obtained.
Example 3
This example provides a method of dyeing cotton fibers, comprising the steps of:
a. wetting and modifying cotton fibers;
b. dyeing the cotton fiber obtained by the treatment in the step a;
c. washing the cotton fiber obtained by the treatment in the step b;
d. c, further fixing the color of the cotton fiber obtained by washing in the step c;
e. and d, drying the cotton fibers fixed in the step c.
Specifically, step a includes: placing the cotton fibres in a dye vat, adding soft water at normal temperature (20-25 ℃) and a treatment agent (Vege Set) at a concentration of 6% o.w.f. to the dye vat, soaking the cotton fibres in an aqueous solution of the treatment agent, raising the temperature in the dye vat from normal temperature to 40 ℃ at a rate of +2 ℃/min for 15 minutes, subsequently raising the temperature in the dye vat to 80 ℃ at a rate of +2 ℃/min for 15 minutes, after which emptying the dye vat and washing the cotton fibres with soft water; then, soft water at normal temperature, salt at a concentration of 5% o.w.f., and ferrous sulfate at a concentration of 5% o.w.f. (one of alum, or ferrous sulfate may be used each time) were added to the same dye vat, the temperature in the dye vat was raised from normal temperature to 35 ℃ at a rate of +2 ℃/min for 20 minutes, and then the temperature in the dye vat was raised to 50 ℃ at a rate of +1 ℃/min for 30 minutes, after which the dye vat was emptied and the cotton fibers were washed with soft water.
The step b comprises the following steps: preparing a dye solution and dyeing the cotton fiber obtained by the step a by using the dye solution. Wherein the dye solution is prepared by dissolving a plant dye of 3% o.w.f. concentration, a soda ash (sodium carbonate) of 1% o.w.f. concentration and a mordant (alum) of 2% o.w.f. concentration, which is an AVANI organic dye (N ° 4A-Sunstone) containing tobacco leaf and stem extracts and an enzyme cocktail, purchased from Dimora colloids inc, in a separate reaction pot using soft water, followed by sufficient stirring and filtration. The resulting dye solution was added to a 25 ℃ dye vat at a bath ratio of cotton fiber to dye solution of about 1:20, the temperature in the dye vat was raised to 40 ℃ at a rate of +1 ℃/min for 20 minutes, followed by raising the temperature in the dye vat to 75 ℃ at a rate of +2 ℃/min for 35 minutes, after which the dye vat was emptied.
The step c comprises the following steps: b, washing the cotton fibers obtained by the step b for 10 minutes by using room-temperature soft water, and emptying a dye vat; adding a detergent solution of soft water and a detergent (saponin solution) with the concentration of 3% o.w.f. into a dye vat, immersing the washed cotton fibers into the detergent solution, heating to 50-55 ℃ for 10-15 minutes, and then emptying the dye vat; the cotton fibers after washing with the detergent solution were rinsed with soft water at room temperature for 10 minutes, after which the dye vat was emptied.
The step d comprises the following steps: the dye vat was soaked with a fixing agent solution of soft water and fixing agent (Vege UVP) at a concentration of 3% o.w.f. to soak the cotton fibers in the fixing agent solution, the temperature in the dye vat was raised to 40 ℃ for 15 minutes, after which the dye vat was emptied.
And e, directly drying or drying in the shade the cotton fiber after color fixation without washing.
Thus, dyed cotton fibers were obtained.
Example 4
This example provides a method of dyeing cotton fibers, comprising the steps of:
a. wetting and modifying cotton fibers;
b. dyeing the cotton fiber obtained by the treatment in the step a;
c. washing the cotton fiber obtained by the treatment in the step b;
d. c, further fixing the color of the cotton fiber obtained by washing in the step c;
e. and d, drying the cotton fibers fixed in the step c.
Specifically, step a includes: placing the cotton fibres in a dye vat, adding soft water at normal temperature (20-25 ℃) and a treatment agent (Vege Set) at a concentration of 7% o.w.f. to the dye vat, soaking the cotton fibres in an aqueous solution of the treatment agent, raising the temperature in the dye vat from normal temperature to 30 ℃ at a rate of +2 ℃/min for 25 minutes, subsequently raising the temperature in the dye vat to 80 ℃ at a rate of +2 ℃/min for 15 minutes, after which emptying the dye vat and washing the cotton fibres with soft water; then, soft water at normal temperature, salt at a concentration of 5% o.w.f., and ferrous sulfate at a concentration of 5% o.w.f. (one of alum, or ferrous sulfate may be used each time) were added to the same dye vat, the temperature in the dye vat was raised from normal temperature to 40 ℃ at a rate of +2 ℃/min for 15 minutes, and then the temperature in the dye vat was raised to 50 ℃ at a rate of +1 ℃/min for 30 minutes, after which the dye vat was emptied and the cotton fibers were washed with soft water.
The step b comprises the following steps: preparing a dye solution and dyeing the cotton fiber obtained by the step a by using the dye solution. Wherein the dye solution is prepared by dissolving a plant dye of 2% o.w.f. concentration, a soda ash (sodium carbonate) of 1% o.w.f. concentration and a mordant (ferrous sulfate) of 1% o.w.f. concentration in a separate reaction pot using soft water, and after sufficient stirring and filtration, the plant dye is AVANI organic dye (N ° 7-Prairie age) purchased from Dimora colorans inc, which contains tobacco leaf and stem extracts and an enzyme cocktail. The resulting dye solution was added to a 25 ℃ dye vat at a bath ratio of cotton fiber to dye solution of about 1:25, the temperature in the dye vat was raised to 45 ℃ at a rate of +1 ℃/min for 20 minutes, followed by raising the temperature in the dye vat to 75 ℃ at a rate of +2 ℃/min for 35 minutes, after which the dye vat was emptied.
The step c comprises the following steps: b, washing the cotton fibers obtained by the step b for 10 minutes by using room-temperature soft water, and emptying a dye vat; adding a detergent solution of soft water and a detergent (saponin solution) with the concentration of 2% o.w.f. into a dye vat, immersing the washed cotton fibers into the detergent solution, heating to 50-55 ℃ for 10-15 minutes, and then emptying the dye vat; the cotton fibers after washing with the detergent solution were rinsed with soft water at room temperature for 10 minutes, after which the dye vat was emptied.
The step d comprises the following steps: the dye vat was soaked with a fixing agent solution of soft water and fixing agent (Vege UVP) at a concentration of 3% o.w.f. to soak the cotton fibers in the fixing agent solution, the temperature in the dye vat was raised to 35 ℃ for 20 minutes, after which the dye vat was emptied.
And e, directly drying or drying in the shade the cotton fiber after color fixation without washing.
Thus, dyed cotton fibers were obtained.
Example 5
This example provides a method of dyeing cotton fibers, comprising the steps of:
a. wetting and modifying cotton fibers;
b. dyeing the cotton fiber obtained by the treatment in the step a;
c. washing the cotton fiber obtained by the treatment in the step b;
d. c, further fixing the color of the cotton fiber obtained by washing in the step c;
e. and d, drying the cotton fibers fixed in the step c.
Specifically, step a includes: placing the cotton fibres in a dye vat, adding soft water at normal temperature (20-25 ℃) and a treatment agent (Vege Plus) at a concentration of 8% o.w.f. to the dye vat, soaking the cotton fibres in an aqueous solution of the treatment agent, raising the temperature in the dye vat from normal temperature to 40 ℃ at a rate of +2 ℃/min for 15 minutes, subsequently raising the temperature in the dye vat to 80 ℃ at a rate of +2 ℃/min for 20 minutes, after which emptying the dye vat and washing the cotton fibres with soft water; then soft water at normal temperature, salt at a concentration of 5% o.w.f., and alum at a concentration of 5% o.w.f. were added to the same dye vat, the temperature in the dye vat was raised from normal temperature to 30 ℃ at a rate of +2 ℃/min for 25 minutes, subsequently the temperature in the dye vat was raised to 50 ℃ at a rate of +1 ℃/min for 30 minutes, after which the dye vat was emptied and the cotton fibers were washed with soft water.
The step b comprises the following steps: preparing a dye solution and dyeing the cotton fiber obtained by the step a by using the dye solution. Wherein the dye solution is prepared by dissolving a plant dye of 1% o.w.f. concentration, soda ash (sodium carbonate) of 1% o.w.f. concentration and a mordant (ferrous sulfate) of 0.5% o.w.f. concentration in a separate reaction pot using soft water, followed by thorough stirring and filtration, the plant dye being an AVANI organic dye (N ° 8-Kaki) purchased from Dimora coluurs inc, the AVANI organic dye (N ° 8-Kaki) comprising tobacco leaf and stem extracts and an enzyme cocktail. The resulting dye solution was added to a 25 ℃ dye vat at a bath ratio of cotton fiber to dye solution of about 1:20, the temperature in the dye vat was raised to 40 ℃ at a rate of +1 ℃/min for 25 minutes, followed by raising the temperature in the dye vat to 70 ℃ at a rate of +2 ℃/min for 35 minutes, after which the dye vat was emptied.
The step c comprises the following steps: b, washing the cotton fibers obtained by the step b for 10 minutes by using room-temperature soft water, and emptying a dye vat; adding a detergent solution of soft water and a detergent (saponin solution) with the concentration of 0.5% o.w.f. into a dye vat, immersing the washed cotton fibers into the detergent solution, heating to 50-55 ℃ for 10-15 minutes, and then emptying the dye vat; the cotton fibers after washing with the detergent solution were rinsed with soft water at room temperature for 10 minutes, after which the dye vat was emptied.
The step d comprises the following steps: the dye vat was soaked with a fixing agent solution of soft water and fixing agent (Vege UVP) at a concentration of 3% o.w.f. to soak the cotton fibers in the fixing agent solution, the temperature in the dye vat was raised to 30 ℃ for 25 minutes, after which the dye vat was emptied.
And e, directly drying or drying in the shade the cotton fiber after color fixation without washing.
Thus, dyed cotton fibers were obtained.
The cotton fibres dyed according to the method of the above example were tested for formaldehyde, pH, colour fastness and amine content:
1) the dyed cotton fibers were tested for free hydrolyzed formaldehyde content according to the standard method of ISO 14184-1: 2011. The test results are shown in Table 1.
2) The cotton fibres after dyeing were tested for their dissolved formaldehyde content according to the standard method of ISO 14184-2-2011. The test results are shown in Table 1.
3) The PH of the dyed cotton fibers was tested according to the standard method of AATCC 81-2012. The test results are shown in Table 1.
TABLE 1
4) The colorfastness to washing of the dyed cotton fibres was tested according to the standard method of AATCC 61-2013 (i.e. test method No.1B, with mechanical washing for 20 minutes in 0.56% AATCC WOB (Without Optical Brightener, no Optical Brightener) detergent solution at a temperature of 88 ° F with 10 rubber balls). The test results are shown in Table 2.
TABLE 2
5) The dry-cleaning colorfastness of the dyed cotton fibers was tested according to the standard method of AATCC 132-2013 (mechanical washing in tetrachloroethylene for 30 minutes at a temperature of 85 ℃ F.). The test results are shown in Table 3.
TABLE 3
6) The water fastness of the dyed cotton fibres was tested according to the standard method of AATCC 107-2013. The test results are shown in Table 4.
TABLE 4
7) The dyed cotton fibers were tested for color fastness to perspiration according to the standard method of AATCC 15-2013. The test results are shown in Table 5.
TABLE 5
8) The cotton fibers after dyeing were tested for crock fastness according to the standard method of AATCC 8-2013. The test results are shown in Table 6.
TABLE 6
| 1 | 2 | 3 | 4 | 5 | |
| Drying test | 4 | 4 | 4 | 4 | 4 |
| Wetting test | 4 | 3.5 | 3.5 | 4 | 4 |
As can be seen from the above tests, the dyed cotton fibers obtained by the methods of the embodiments of the present invention have high color fastness, and the color fastness of the dyed cotton fibers reaches or exceeds 4 levels, and some of the color fastness reaches 5 levels, which indicates that the dyes can be fully fixed on the cotton fibers by using the tobacco leaf and stem extract dyes for dyeing.
Although the present invention has been described in connection with specific embodiments thereof, it will be understood by those skilled in the art that the specific embodiments of the present invention are provided for illustration only, and not for the purpose of limiting the invention.
Claims (9)
1. The dyeing method of the cotton fiber comprises the following steps:
a. wetting and modifying cotton fibers;
b. immersing the cotton fiber treated in the step a into a dye solution, and then carrying out temperature regulation treatment to enable the cotton fiber to absorb the dye solution and fix the color to the cotton fiber;
c. washing the cotton fiber obtained by the step b;
d. c, fixing the color of the cotton fiber obtained by the treatment in the step c by using a color fixing agent;
e. d, directly drying the cotton fibers obtained through the step d;
wherein the dye solution comprises 0.1-5% o.w.f. plant dye, 0.5-1.0% o.w.f. soda ash and 0.5-2% o.w.f. mordant, and the plant dye is tobacco leaf and stem extract.
2. A method of dyeing cotton fibers as claimed in claim 1, wherein the step of wetting and modifying the cotton fibers in step a comprises:
immersing the cotton fibers in an aqueous solution prepared by dissolving a treating agent in soft water at a concentration of 5-10% o.w.f., raising the temperature from room temperature to 30-40 ℃ at a rate of 2 ℃/min for 15-25 min, and then raising the temperature to 80 ℃ at a rate of 2 ℃/min for 15-20 min to wet the cotton fibers;
the wetted cotton fiber was immersed in a modification solution prepared by dissolving salt and alum/ferrous sulfate in soft water at a concentration of 5% o.w.f. respectively, followed by heating from room temperature to 30-40 ℃ at a rate of 2 ℃/min for 15-25 min, followed by heating to 50 ℃ at a rate of 1 ℃/min for 30 min.
3. A method of dyeing cotton fibers as claimed in claim 1, the temperature treatment in step b comprising:
the dye solution was warmed from room temperature to 30-45 c at a rate of 1 c/min for 20-25 minutes, followed by warming to 70-80 c at a rate of 2 c/min for 25-35 minutes.
4. A method of dyeing cotton fibers as claimed in claim 1, the washing in step c comprising:
b, washing the cotton fibers treated in the step b for 10 minutes by using soft water at room temperature;
immersing the washed cotton fiber in a detergent solution prepared by dissolving a detergent in soft water at a concentration of 0.5-5% o.w.f., and heating to 50-55 ℃ for 10-15 minutes;
the cotton fibers after washing with the detergent solution were rinsed with soft water at room temperature for 10 minutes.
5. The method of dyeing cotton fiber as claimed in claim 1, the fixing in step d comprising:
and c, immersing the cotton fibers obtained by the treatment in the step c into a fixing agent solution prepared by dissolving a fixing agent in soft water at the concentration of 3% o.w.f., and heating to 30-40 ℃ for 15-25 minutes.
6. A dyeing method for cotton fiber according to claim 1, wherein the dye solution is prepared by dissolving the vegetable dye in soft water at a concentration of 0.1-5% o.w.f., followed by the addition of soda ash at a concentration of 0.5-1.0% o.w.f. and a mordant at a concentration of 0.5-2% o.w.f.
7. A method of dyeing cotton fibers as claimed in claim 6 wherein the vegetable dye is an AVANI organic dye sold by Dimora Colours Inc.
8. A method of dyeing cotton fiber as claimed in claim 1, wherein the bath ratio of cotton fiber to dye solution is 1:20 to 1: 25.
9. The method for dyeing cotton fiber according to claim 4, wherein the treating agent is Vege Plus or Vege Set, the fixing agent is Vege UVP, the detergent is Chinese honeylocust liquid, and the mordant is alum or ferrous sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821581.3A CN110747660A (en) | 2018-07-24 | 2018-07-24 | Dyeing method of cotton fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821581.3A CN110747660A (en) | 2018-07-24 | 2018-07-24 | Dyeing method of cotton fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110747660A true CN110747660A (en) | 2020-02-04 |
Family
ID=69275560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810821581.3A Pending CN110747660A (en) | 2018-07-24 | 2018-07-24 | Dyeing method of cotton fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110747660A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979797A (en) * | 2020-08-27 | 2020-11-24 | 嵊州市新剡东印染股份有限公司 | Cotton cloth dyeing agent and cotton cloth dyeing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368341A (en) * | 2008-09-28 | 2009-02-18 | 殷大卫 | Natural vegetable dye textile dyeing and printing technique |
| CN101570646A (en) * | 2009-06-09 | 2009-11-04 | 石狮市清源精细化工有限公司 | Preparation method of salvia miltiorrhiza bunge vegetable dye and method for dyeing cotton fabrics using salvia miltiorrhiza bunge vegetable dye |
| US20120272460A1 (en) * | 2010-05-19 | 2012-11-01 | Devall Suzanne M | Tobacco Plant Derived Dye and Process of Making the Same |
| CN106245355A (en) * | 2016-07-27 | 2016-12-21 | 杨江源 | A kind of technique utilizing vegetable colour that textile is carried out dyeing process |
| CN106590018A (en) * | 2016-10-20 | 2017-04-26 | 东莞市东晟羊绒制品有限公司 | Tobacco natural plant dye, preparation method, and application thereof |
| US20180092396A1 (en) * | 2016-10-04 | 2018-04-05 | R.J. Reynolds Tobacco Company | Tobacco-derived colorants and colored substrates |
-
2018
- 2018-07-24 CN CN201810821581.3A patent/CN110747660A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368341A (en) * | 2008-09-28 | 2009-02-18 | 殷大卫 | Natural vegetable dye textile dyeing and printing technique |
| CN101570646A (en) * | 2009-06-09 | 2009-11-04 | 石狮市清源精细化工有限公司 | Preparation method of salvia miltiorrhiza bunge vegetable dye and method for dyeing cotton fabrics using salvia miltiorrhiza bunge vegetable dye |
| US20120272460A1 (en) * | 2010-05-19 | 2012-11-01 | Devall Suzanne M | Tobacco Plant Derived Dye and Process of Making the Same |
| CN106245355A (en) * | 2016-07-27 | 2016-12-21 | 杨江源 | A kind of technique utilizing vegetable colour that textile is carried out dyeing process |
| US20180092396A1 (en) * | 2016-10-04 | 2018-04-05 | R.J. Reynolds Tobacco Company | Tobacco-derived colorants and colored substrates |
| CN106590018A (en) * | 2016-10-20 | 2017-04-26 | 东莞市东晟羊绒制品有限公司 | Tobacco natural plant dye, preparation method, and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979797A (en) * | 2020-08-27 | 2020-11-24 | 嵊州市新剡东印染股份有限公司 | Cotton cloth dyeing agent and cotton cloth dyeing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106192470B (en) | A kind of reactive dyes dyeing method of high colour-fast rate | |
| CN106368014B (en) | A kind of Modal/cotton blended fabric dyeing | |
| CN112252055B (en) | Printing method for improving color fastness to light of cotinus coggygria pigment natural dye | |
| CN110172840A (en) | A kind of colouring method of nylon fabric | |
| CN105926316A (en) | Novel environment-friendly dyeing method for jeans apparel | |
| CN110924196A (en) | Pretreatment liquid for digital printing of polyester-cotton fabric and color development process | |
| CN111809411A (en) | Alkaline dip dyeing method for chinlon 56 fiber and fabric | |
| CN104711869A (en) | Method for dyeing original ecological cashmere by using plant dye | |
| CN107558253B (en) | Method for dyeing rayon fibers by vat dyes | |
| CN110592979A (en) | Nylon collagen fabric and dyeing and finishing method thereof | |
| CN110747660A (en) | Dyeing method of cotton fiber | |
| CN107287935A (en) | A kind of method for improving natural dye dying performance | |
| CN104233885A (en) | Reactive printing method of polyester imitation silk fabric | |
| CN105088831B (en) | A kind of method using the red dyeing wool of natural dye lac | |
| CN113957731B (en) | Process for improving fastness of soaping solution of cellulose fiber and polyester blended dark fabric | |
| CN110886113B (en) | Disperse dye dyeing method for treating cotton fabric by using waterborne polyurethane | |
| CN109355949A (en) | A kind of without phosphorus liquid substitute alkali and preparation method thereof | |
| CN107022907A (en) | The method dyed using vegetable colour to cashmere ready-made clothes | |
| CN110747661A (en) | Dyeing method of mulberry silk | |
| CN102704283A (en) | Resist-dye method of clothes | |
| CN102409558A (en) | Clothing dyeing process | |
| US20220002940A1 (en) | Advancement of exhaustion, migration, adsorption and fixation of dyestuff to the cellulose materials | |
| CN112878069A (en) | Polyamide fabric dyeing process with high dye-uptake | |
| CN110886112A (en) | Disperse dye dyeing method of etherified 2D resin modified cotton fabric | |
| CN110886111B (en) | Disperse dye dyeing method for glyoxal cross-linked cotton fabric |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |