CN113249991A - Environment-friendly multicolor fabric and tie-dyeing method thereof - Google Patents

Environment-friendly multicolor fabric and tie-dyeing method thereof Download PDF

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Publication number
CN113249991A
CN113249991A CN202110307021.8A CN202110307021A CN113249991A CN 113249991 A CN113249991 A CN 113249991A CN 202110307021 A CN202110307021 A CN 202110307021A CN 113249991 A CN113249991 A CN 113249991A
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fabric
dyeing
tie
treatment
dyeing method
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何贵东
周立明
张玉高
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Guangdong Esquel Textiles Co Ltd
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Guangdong Esquel Textiles Co Ltd
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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
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/22—Effecting variation of dye affinity on textile material by chemical means that react with the fibre
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
    • 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
    • D06P1/38—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 reactive dyes
    • 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
    • D06P3/66—Natural or regenerated cellulose using reactive dyes
    • 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
    • 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
    • D06P5/12—Reserving parts of the material before dyeing or printing ; Locally decreasing dye affinity by chemical means
    • 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
    • D06P5/22—Effecting variation of dye affinity on textile material by chemical means that react with the fibre
    • D06P5/225—Aminalization of cellulose; introducing aminogroups into cellulose
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Inorganic Chemistry (AREA)
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Abstract

The invention provides an environment-friendly multicolor fabric and a tie-dyeing method thereof. The tie-dyeing method comprises the following steps: binding the fabric according to the tie-dyeing pattern; treating the bundled fabric by adopting a cation treating agent to obtain a cation modified fabric; unbundling the cation modified fabric, and then dyeing to obtain a dyed fabric; and carrying out post-treatment on the dyed fabric, and drying to obtain the environment-friendly multicolor fabric. The tie-dyeing method combines the tie-dyeing process and the cation treatment process, can realize multi-color tie-dyeing effect by one-step tie-dyeing without dyeing for many times, can reduce the dye consumption, realizes salt-free and alkali-less dyeing, has high fabric color yield and color fastness, and has strong practicability. The invention has the advantages of simple process, easy control of the process, convenient operation and environment-friendly process, and the obtained product has loose and natural patterns and is beautiful.

Description

Environment-friendly multicolor fabric and tie-dyeing method thereof
Technical Field
The invention belongs to the technical field of tie-dyeing, and relates to an environment-friendly multicolor fabric and a tie-dyeing method thereof.
Background
The tie-dyeing process is a traditional and unique dyeing process in China, and the fabric is tied by means of yarns, threads, ropes and other tools during dyeing, so that the tied part cannot be colored. Generally, cotton white cloth or cotton-linen blended white cloth is used as a raw material, and the dye is mainly plant indigo. Due to the particularity of the tie-dyeing process, patterns with single color are generally obtained, when a multicolor pattern is required to be obtained, a complex process of over-dyeing or printing is required, multiple times of binding and dyeing are required, the steps are complicated, and the technical requirement is high.
Disclosure of Invention
Based on the problems in the prior art, the first purpose of the invention is to provide a tie-dyeing method of an environment-friendly multicolor fabric, the method realizes that the multi-color tie-dyeing effect can be finished through one-step tie-dyeing operation, the use of chemical materials is reduced, the method is more environment-friendly, and the obtained product has the advantages of loose and natural patterns, attractive appearance, high color fastness and strong practicability. The second purpose of the invention is to provide the environment-friendly multicolor fabric prepared by the tie-dyeing method.
The purpose of the invention is realized by the following technical scheme:
on one hand, the invention provides a tie-dyeing method of environment-friendly multicolor fabric, which comprises the following steps:
binding the fabric according to the tie-dyeing pattern;
treating the bundled fabric by adopting a cation treating agent to obtain a cation modified fabric;
unbundling the cation modified fabric, and then dyeing to obtain a dyed fabric;
and carrying out post-treatment on the dyed fabric, and drying to obtain the environment-friendly multicolor fabric.
The traditional tie-dyeing process needs to carry out a complex over-dyeing/printing process for obtaining multicolor patterns, needs to tie up and dye for multiple times and has complicated steps; the inventor finds in research that the combination of the tie-dyeing process and the cationic treating agent can realize one-step tie-dyeing to obtain multicolor tie-dyeing effect. The bundled fabric is treated with the cationic treating agent, wherein the unbundled fabric regions have a high cationic treating degree, and the bundled fabric regions have a low cationic treating degree or are not cationized, so that the effect of uneven cationic treating degree is obtained. Therefore, after the fabric subjected to cation modification is unbundled, dyeing is carried out, the dyeing process is simple and easy to control, the fabric area with high cation treatment degree is dark in color, other areas are light in color, and the effect of multi-color tie dyeing can be achieved. In addition, the fabric and the dye have negative charges, and after the fabric is subjected to modification treatment by the cationic modifier, the positive charge of the fabric can be improved, so that the adsorption performance of the fabric to the dye is improved, and the dyeing depth is improved, so that when the unbundled fabric is subjected to reactive dye dyeing, the using amount of the dye can be effectively reduced, salt is not required to be added, a glauber salt accelerating agent is not required to be added, the using amount of alkali is reduced, the sewage discharge is reduced, and the process is an environment-friendly tie dyeing process.
In the tie-dyeing method, the fabric preferably includes a natural fiber fabric, a chemical fiber fabric or a blended fabric of natural fibers and/or chemical fibers, but is not limited thereto.
In the above-mentioned tie-dyeing method, preferably, the natural fiber includes one or more of cotton, hemp, wool and silk, but is not limited thereto.
In the tie-dyeing method, the chemical fiber preferably includes one or more of acrylic fiber, nylon fiber and polyester fiber, but is not limited thereto.
In the above-mentioned tie-dyeing method, preferably, the binding is performed by binding or sewing the fabric with a rubber band, a clip, a cotton thread or a needle sleeve selected according to the shape and size of the tie-dyed pattern.
In the tie-dyeing method, the cationic treating agent preferably includes one or more of epoxy compounds, quaternary ammonium compounds, amide polymers, cationic propylene-based copolymers, natural cationic modifiers and polycationic compounds, but is not limited thereto.
In the tie-dyeing method, the quaternary ammonium salt compound preferably includes, but is not limited to, s-triazinyl quaternary ammonium salt compounds.
In the tie-dyeing method described above, preferably, the amide-based polymer includes a polyamide resin, but is not limited thereto.
In the above-mentioned tie-dyeing method, it is preferable that the bath ratio of the treatment with the cationic treating agent is controlled to be 1: (10-40); the concentration of the cation treating agent is 0.5-10 g/L (aqueous solution of the cation treating agent), and the bath ratio represents the mass ratio of the bundled fabric to the aqueous solution of the cation treating agent.
In the above-mentioned tie-dyeing method, the cationic treatment is preferably carried out at a temperature of 30 to 80 ℃ for 5 to 50 min.
In the tie-dyeing method, the cationic treatment is preferably carried out at a temperature of 40 to 70 ℃ for 10 to 30 min.
In the above-mentioned tie-dyeing method, preferably, the dye used for dyeing treatment includes one or more of reactive dye, direct dye, sulfur dye and vat dye, but is not limited thereto.
In the above-mentioned tie-dyeing method, preferably, the vat dye includes indigo, but is not limited thereto.
In the above-mentioned tie-dyeing method, it is preferable that the dye used for the dyeing treatment is a reactive dye.
In the above-mentioned tie-dyeing method, it is preferable that the bath ratio for dyeing treatment is controlled to be 1: (10-40). The bath ratio here represents the mass ratio of the unbundled fabric to the dye liquor.
In the tie-dyeing method, the dye is preferably used in an amount of 1% to 2% OWF.
For example: "bath ratio of dyeing treatment is 1:20, 1% of OWF dye dosage" represents a dye liquor prepared from 100g of unbundled fabric and 1g of dye 2L of water.
In the tie-dyeing method, preferably, the dyeing temperature is 30-90 ℃; the dyeing time is 20-80 min.
In the tie-dyeing method, the dyeing temperature is preferably 40-80 ℃; the dyeing time is 30-60 min.
In the tie-dyeing method, preferably, the dyeing process further comprises a fixation treatment by adding soda ash.
In the tie-dyeing method, the use amount of the soda ash is preferably 3-15 g/L (namely, 3-15 g of soda ash is added into each liter of dye); the temperature of the color fixing treatment is 40-80 ℃, and the time of the color fixing treatment is 20-60 min.
In the tie-dyeing method, preferably, the post-treatment of the dyed fabric comprises:
and carrying out enzyme washing treatment on the dyed fabric by adopting an enzyme preparation, and then carrying out softening treatment by adopting a softening agent.
In the above-mentioned tie-dyeing method, it is preferable that the bath ratio for the post-treatment is controlled to be 1: (5-40). The bath ratio herein represents the mass ratio of the dyed fabric to the post-treatment liquid (enzyme preparation or softening agent).
In the above-mentioned tie-dyeing method, preferably, the enzyme preparation comprises cellulase; the concentration of the enzyme preparation is 0.25-1 g/L (the concentration of the enzyme preparation aqueous solution); the temperature of the enzyme washing treatment is 30-50 ℃, and the treatment time is 10-40 min.
In the tie-dyeing method, the softening agent preferably comprises a fat softening agent and/or a silicone oil softening agent; the concentration of the softening agent is 0.5-3 g/L (the concentration of the softening agent aqueous solution); the temperature of the over-softening treatment is 30-60 ℃; the treatment time is 10-30 min.
In the tie-dyeing method, the drying temperature is preferably 70-100 ℃.
On the other hand, the invention also provides the environment-friendly multicolor fabric obtained by the tie-dyeing method.
The invention has the beneficial effects that:
the tie-dyeing method combines the tie-dyeing process and the cation treatment process, can realize multi-color tie-dyeing effect by one-step tie-dyeing without dyeing for many times, can reduce the dye consumption, realizes salt-free and alkali-less dyeing, has high fabric color yield and color fastness, and has strong practicability. The process is simple, the process is easy to control, the operation is convenient, the process is environment-friendly, the obtained product has loose and natural patterns and is attractive, the obtained tie-dyed fabric has both quality and artistic quality, and the technical problems of the traditional white-bottom tie-dyeing method and the multi-color multi-step dyeing tie-dyeing method at present are solved.
Drawings
FIG. 1 is a diagram of a fabric having a bottom tie-dyeing effect obtained by the tie-dyeing method of example 3 of the present invention;
FIG. 2 is a fabric image of the tie-dyeing effect obtained by the tie-dyeing method of comparative example 1 of the present invention;
fig. 3 is a fabric diagram of the tie-dyeing effect obtained by the tie-dyeing method of comparative example 2 of the present invention.
Detailed Description
The technical solutions of the present invention will be described in detail below in order to clearly understand the technical features, objects, and advantages of the present invention, but the present invention is not limited to the practical scope of the present invention. The starting reagents used in the following examples are, unless otherwise specified, all those commonly used in the art.
Example 1:
the embodiment provides a tie-dyeing method of environment-friendly multicolor fabric, which comprises the following steps:
the method comprises the following steps: and spirally binding the white cotton fabric from the center according to the designed pattern.
Step two: and (3) performing cationization treatment on the bundled fabric by using a cationic treatment agent polyamide resin aqueous solution, wherein the concentration of the polyamide resin aqueous solution is 2g/L, and the bath ratio is controlled to be 1:20, the treatment temperature is 40 ℃, and the treatment time is 20 min. And after the cationic treatment is finished, the fabric is unbundled, and the binding part is removed to obtain the fabric to be dyed.
Step three, dyeing the fabric subjected to bale breaking in the step two in a dip dyeing mode, wherein the use amount of the reactive red dye is 2% OWF, and the bath ratio is controlled to be 1: and 20, adding the dye solution at normal temperature, mixing for 5min, heating to 60 ℃ for 10min, adding 3g/L of soda, operating at 60 ℃ for 20min, and washing with water at normal temperature for 10min to obtain the dyed fabric.
And step four, post-treating the fabric dyed in the step three, namely treating the fabric by using a cellulase aqueous solution to achieve the effect of surface smoothness, wherein the concentration of the cellulase aqueous solution is 0.25g/L, treating the fabric at 40 ℃ for 20min, and heating the fabric to 70 ℃ for inactivation. Then adding an aqueous solution of a fat softening agent SG-40 (Federal fine chemical engineering in Guangdong) to improve the hand feeling of the fabric, wherein the concentration of the aqueous solution SG-40 is 0.5g/L, and the treatment is carried out at the temperature of 40 ℃ for 10 min. And drying at 80 ℃ after dehydration to obtain the multicolor fabric with the color-bottom tie-dyeing effect.
Example 2:
the embodiment provides a tie-dyeing method of environment-friendly multicolor fabric, which comprises the following steps:
the method comprises the following steps: the four corners of the white cotton fabric are tied up according to the designed pattern, and the upper end of the white cotton fabric is tied up and tied.
Step two: performing cationization treatment on the bundled fabric by using a cation treatment agent, namely a quaternary ammonium salt auxiliary agent DEL (Dongguan red chemical Co., Ltd.), wherein the concentration of an aqueous solution of the quaternary ammonium salt auxiliary agent DEL is 2g/L, and the bath ratio is controlled to be 1:20, the treatment temperature is 40 ℃, and the treatment time is 20 min. And after the cationic treatment is finished, the fabric is unbundled, and the binding part is removed to obtain the fabric to be dyed.
Step three, dyeing the fabric subjected to bale breaking in the step two in a dip dyeing mode, wherein the use amount of the reactive yellow dye is 2% OWF, and the bath ratio is controlled to be 1: and 20, adding the dye solution at normal temperature, mixing for 5min, heating to 60 ℃ for 10min, adding 5g/L of soda, operating at 60 ℃ for 20min, and washing with water at normal temperature for 10min to obtain the dyed fabric.
And step four, post-treating the fabric dyed in the step three, namely treating the fabric by using a cellulase aqueous solution to achieve the effect of surface smoothness, wherein the concentration of the cellulase aqueous solution is 0.5g/L, treating the fabric at 40 ℃ for 20min, and heating the fabric to 70 ℃ for inactivation. Then adding an aqueous solution of a fat softening agent SG-40 (Federal fine chemical engineering in Guangdong) to improve the hand feeling of the fabric, wherein the concentration of the aqueous solution SG-40 is 0.5g/L, and the treatment is carried out at the temperature of 40 ℃ for 10 min. And drying at 80 ℃ after dehydration to obtain the multicolor fabric with the color-bottom tie-dyeing effect.
Example 3:
the embodiment provides a tie-dyeing method of environment-friendly multicolor fabric, which comprises the following steps:
the method comprises the following steps: the white cotton fabric is simply crumpled from four corners respectively for bundling.
Step two: performing cationization treatment on the bundled fabric by using a cation treatment agent of azacyclo-cationic compound (HW-168B, Hengwang chemical Co., Ltd., epoxy compound), wherein the concentration of an aqueous solution of the HW-168B is 3g/L, and the bath ratio is controlled to be 1:20, the treatment temperature is 50 ℃, and the treatment time is 30 min. And after the cationic treatment is finished, the fabric is unbundled, and the binding part is removed to obtain the fabric to be dyed.
Step three, dyeing the fabric subjected to bale breaking in the step two in a dip dyeing mode, wherein the use amount of reactive blue dye is 2% OWF, and the bath ratio is controlled to be 1: and 20, adding the dye solution at normal temperature, mixing for 5min, heating to 40 ℃ and running for 20min, adding 10g/L of soda, running for 20min at 40 ℃, and washing for 10min at normal temperature to obtain the dyed fabric.
And step four, post-treating the fabric dyed in the step three, namely treating the fabric by using a cellulase aqueous solution to achieve the effect of surface smoothness, wherein the concentration of the cellulase aqueous solution is 0.5g/L, treating the fabric at 40 ℃ for 20min, and heating the fabric to 70 ℃ for inactivation. Then adding an aqueous solution of a fat softening agent SG-40 (Federal fine chemical engineering in Guangdong) to improve the hand feeling of the fabric, wherein the concentration of the aqueous solution SG-40 is 0.5g/L, and the treatment is carried out at the temperature of 40 ℃ for 10 min. And drying at 80 ℃ after dehydration to obtain the multicolor fabric with the color-bottom tie-dyeing effect (as shown in figure 1).
The multicolor fabric with the color-base tie-dyeing effect prepared in this example was subjected to a color fastness test, and the results are shown in table 1 below:
table 1:
test items Test method Remarks on method Standard of merit Test results
Color fastness to washing AATCC 61-2A Color change ≥4.0 4.5
Color fastness to washing AATCC 61-2A Staining ≥4.0 4.5
Colour fastness to rubbing AATCC 8 Dry matter ≥4.0 4.5
Colour fastness to rubbing AATCC 8 Wet ≥3.0 3.0
Colour fastness to perspiration AATCC 15 Color change ≥4.0 4.5
Colour fastness to perspiration AATCC 15 Staining ≥3.0 4.0
Colour fastness to water stain AATCC 107 Color change ≥4.0 4.5
Colour fastness to water stain AATCC 107 Staining ≥3.0 4.5
Color fastness to sunlight AATCC 16.3OPTION 3 Illumination 20AFU ≥3.0 3.5
As can be seen from the experimental data in table 1: the multicolor fabric with the color-bottom tie-dyeing effect has better color fastness.
Comparative example 1:
this comparative example provides a method of tie-dyeing a face fabric which has not been treated with a cationic treatment agent and which has been dyed prior to unbundling comprising the steps of:
the method comprises the following steps: and spirally binding the white cotton fabric from the center according to the designed pattern.
Step two, dyeing the bound fabric in the step one in a dip dyeing mode, wherein the use amount of reactive blue dye is 2% OWF, and the bath ratio is controlled to be 1: and 20, adding a dye solution at normal temperature, mixing for 5min, heating to 60 ℃ for 10min, adding 20g/L of soda, operating at 60 ℃ for 20min, washing with water at normal temperature for 10min, and unbinding to obtain the dyed fabric.
And step three, performing post-treatment on the fabric dyed in the step two, namely treating the fabric by using cellulase to achieve the effect of surface smoothness, wherein the dosage of the cellulase is 0.25g/L, treating at 40 ℃ for 20min, and heating to 70 ℃ for inactivation. Then adding an aqueous solution of a fat softening agent SG-40 (Federal fine chemical engineering in Guangdong) to improve the hand feeling of the fabric, wherein the concentration of the aqueous solution SG-40 is 0.5g/L, and the treatment is carried out at the temperature of 40 ℃ for 10 min. And (3) drying at 80 ℃ after dehydration to obtain the fabric with the tie-dyeing effect (as shown in figure 2).
The fabric with tie-dyeing effect prepared by the comparative example 1 is subjected to a color fastness test, and the results are shown in the following table 2:
table 2:
test items Test method Remarks on method Standard of merit Test results
Color fastness to washing AATCC 61-2A Color change ≥4.0 4.0
Color fastness to washing AATCC 61-2A Staining ≥4.0 4.5
Colour fastness to rubbing AATCC 8 Dry matter ≥4.0 4.0
Colour fastness to rubbing AATCC 8 Wet ≥3.0 3.0
Colour fastness to perspiration AATCC 15 Color change ≥4.0 4.5
Colour fastness to perspiration AATCC 15 Staining ≥3.0 4.0
Colour fastness to water stain AATCC 107 Color change ≥4.0 4.5
Colour fastness to water stain AATCC 107 Staining ≥3.0 4.5
Color fastness to sunlight AATCC 16.3OPTION 3 Illumination 20AFU ≥3.0 2.5
As can be seen from Table 2, the fabric color fastness effect obtained by the tie-dyeing method of the traditional comparative example 1 is not as good as that obtained by the tie-dyeing method of the embodiment 1 of the invention.
Comparative example 2:
this comparative example provides a method of tie-dyeing a fabric treated with a cationic treating agent and dyed prior to unbundling comprising the steps of:
the method comprises the following steps: the white cotton fabric is simply crumpled from four corners respectively for bundling.
Step two: and (3) performing cationization treatment on the bundled fabric by using a cationic treatment agent polyamide resin aqueous solution, wherein the dosage of the polyamide resin aqueous solution is 2g/L, and the bath ratio is controlled to be 1: and 20, treating at 40 ℃ for 20min to obtain the fabric to be dyed.
Step three, dyeing the fabric subjected to the cationic modification in the step two in a dip dyeing mode, wherein the use amount of the reactive blue dye is 1% OWF, and the bath ratio is controlled to be 1: and 20, adding a dye solution at normal temperature, mixing for 5min, heating to 40 ℃, running for 20min, adding 10g/L of sodium carbonate, running for 20min at 40 ℃, washing for 10min at normal temperature, finally unbinding the fabric, and removing the bundling part to obtain the dyed fabric.
And step four, post-treating the fabric dyed in the step three, namely treating the fabric by using cellulase to achieve the effect of surface smoothness, wherein the dosage of the cellulase is 0.25g/L, treating at 40 ℃ for 20min, and heating to 70 ℃ for inactivation. Then adding fat softener SG-40 (Federal fine chemical industry in Guangdong) aqueous solution to improve the hand feeling of the fabric, wherein the dosage of the softener is 0.5g/L, and the temperature is 40 ℃ for 10 min. And (3) drying at 80 ℃ after dehydration to obtain the fabric with the color-bottom tie-dyeing effect (as shown in figure 3).
As can be seen from a comparison of fig. 1, 2 and 3: according to the treatment process of the invention, the white background fabric adopts 'bundling → cation modification → bale breaking → dyeing', so that a multicolor tie-dyeing effect with the same color obtaining capability of a bundled area can be obtained, as shown in figure 1; by adopting the traditional process of 'bundling → dyeing → unbinding' of the white-bottom fabric, the bundled area can only show the colorless (white) effect, as shown in fig. 2; and the dyeing process is carried out after the cationic treating agent is adopted for treatment but before bale breaking, namely: "banding → cationic treatment → dyeing → bale breaking", the banded region can only exhibit colorless (white) effect, as shown in fig. 3.

Claims (10)

1. The tie-dyeing method of the environment-friendly multicolor fabric comprises the following steps:
binding the fabric according to the tie-dyeing pattern;
treating the bundled fabric by adopting a cation treating agent to obtain a cation modified fabric;
unbundling the cation modified fabric, and then dyeing to obtain a dyed fabric;
and carrying out post-treatment on the dyed fabric, and drying to obtain the environment-friendly multicolor fabric.
2. The tie-dyeing method according to claim 1, wherein the fabric comprises a natural fiber fabric, a chemical fiber fabric or a blended fabric of natural fibers and/or chemical fibers;
preferably, the natural fibers comprise one or more of cotton, hemp, wool and silk;
preferably, the chemical fiber comprises one or more of acrylon, chinlon and terylene.
3. The tie-dyeing method according to claim 1, wherein the binding is performed by binding or sewing the fabric with different rubber bands, clips, cotton threads or needle sleeves according to the shape and size of the tie-dyeing pattern.
4. The tie-dyeing method according to claim 1, wherein the cationic treatment agent comprises a combination of one or more of epoxy-based compounds, quaternary ammonium-based compounds, amide-based polymers, cationic propylene-based copolymers, natural cationic modifiers, and polycationic compounds;
preferably, the quaternary ammonium salt compound comprises s-triazinyl quaternary ammonium salt compound;
preferably, the amide-based polymer includes a polyamide resin.
5. The tie-dyeing method according to claim 1 or 4, wherein the bath ratio for the treatment with the cationic treating agent is controlled to be 1: (10-40); the concentration of the cation treating agent is 0.5-10 g/L;
preferably, the temperature for processing the cation treating agent is 30-80 ℃, and the processing time is 5-50 min;
more preferably, the cationic treatment is carried out at a temperature of 40 to 70 ℃ for 10 to 30 min.
6. The tie-dyeing method according to claim 1, wherein the dyeing treatment is carried out using a dye including one or more of a reactive dye, a direct dye, a sulfur dye and a vat dye;
preferably, the vat dye comprises indigo;
preferably, the dye used for dyeing is a reactive dye;
preferably, the dye is used in an amount of 1% to 2% OWF.
7. The tie-dyeing method according to claim 1, wherein the bath ratio at which the dyeing treatment is performed is controlled to be 1: (10-40);
preferably, the temperature for dyeing treatment is 30-90 ℃; the dyeing time is 20-80 min;
more preferably, the temperature for dyeing treatment is 40-80 ℃; dyeing time is 30-60 min;
preferably, the dyeing treatment process further comprises adding soda ash for fixation treatment;
preferably, the amount of the soda ash is 3-15 g/L; the temperature of the color fixing treatment is 40-80 ℃, and the time of the color fixing treatment is 20-60 min.
8. The tie-dyeing method according to claim 1, wherein the post-treatment of the dyed fabric comprises:
carrying out enzyme washing treatment on the dyed fabric by adopting an enzyme preparation, and then carrying out softening treatment by adopting a softening agent;
preferably, the bath ratio for the post-treatment is controlled to be 1: (5-40);
preferably, the enzyme preparation comprises cellulase; the concentration of the enzyme preparation is 0.25-1 g/L; the temperature of the enzyme washing treatment is 30-50 ℃, and the treatment time is 10-40 min;
preferably, the softening agent comprises a fat-based softening agent and/or a silicone oil-based softening agent; the concentration of the softening agent is 0.5-3 g/L; the temperature of the over-softening treatment is 30-60 ℃; the treatment time is 10-30 min.
9. The tie-dyeing method according to claim 1, wherein the temperature for drying is 70 to 100 ℃.
10. An environment-friendly multicolor fabric obtained by the tie-dyeing method according to any one of claims 1 to 9.
CN202110307021.8A 2021-03-23 2021-03-23 Environment-friendly multicolor fabric and tie-dyeing method thereof Pending CN113249991A (en)

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Application publication date: 20210813