CN113756113B - ATP activation-based wool fiber low-temperature deepening dyeing modification method - Google Patents

ATP activation-based wool fiber low-temperature deepening dyeing modification method Download PDF

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CN113756113B
CN113756113B CN202111062757.XA CN202111062757A CN113756113B CN 113756113 B CN113756113 B CN 113756113B CN 202111062757 A CN202111062757 A CN 202111062757A CN 113756113 B CN113756113 B CN 113756113B
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dyeing
temperature
wool fiber
wool
acid
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CN113756113A (en
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吴超
何雪梅
周天池
蔡露
冒海燕
郑成辉
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Yancheng Institute of Technology
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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
    • D06P1/39—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 acid 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
    • D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
    • D06P1/48—Derivatives of carbohydrates
    • 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
    • D06P1/6536—Aromatic
    • 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
    • D06P1/667—Organo-phosphorus compounds
    • 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
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/14—Wool
    • D06P3/16—Wool using acid dyes

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Coloring (AREA)

Abstract

The invention discloses a wool fiber low-temperature deepening dyeing modification method based on ATP activation, which comprises the following steps: (1) wool fiber activation treatment: soaking wool fiber in modified solution composed of adenosine triphosphate, carboxyphenylboronic acid and chitin microcrystal, shaking at constant temperature of 30-50 ℃ for 20-90min, taking out, washing with deionized water, and drying; (2) dyeing: and dyeing the activated wool fiber fabric by using an acid dye. The invention carries out activation treatment on the wool fiber in advance, introduces functional groups such as boric acid group, amino group, hydroxyl group and the like on the fiber, enhances the binding capacity of the wool fiber to acid dye, effectively improves the dye uptake, color depth and color fastness of the acid dye on the fiber, and also ensures that the fiber has good low-temperature deep dyeing property and washing fastness. The process is simple and convenient to operate, has small strength damage to wool, is low in cost and has wide application prospect.

Description

ATP activation-based wool fiber low-temperature deepening dyeing modification method
Technical Field
The invention belongs to the technical field of textile fiber material modification and dyeing, and particularly relates to a wool fiber low-temperature deepening dyeing modification method based on ATP activation.
Background
The wool fiber is a natural protein fiber, and compared with other fibers, the wool fiber has better hand feeling, good moisture permeability, heat retention, comfort and ready-to-wear effect. The acid dye is the first choice dye for dyeing wool fiber, because the acid dye is easily adsorbed to the wool fiber under the acid condition through the electrostatic effect, but because a compact scale layer exists on the surface layer of the wool fiber, the adsorption and dyeing of the dye are hindered to a certain extent.
Therefore, the traditional dyeing of wool is finished under the conditions of strong acidity and high-temperature boiling for a long time, which easily causes the yellowing of wool dyeing products, the reduction of hand feeling and the damage of strength, the damage of natural style of wool and the disadvantage of maintaining the excellent quality of wool.
In order to realize low-temperature dyeing of wool, improve the quality of wool and save energy, researchers at home and abroad have proposed a plurality of low-temperature dyeing methods or approaches such as a urea method, a formic acid method, a low-temperature dyeing auxiliary agent method, an oxidation-reduction system method, a biological enzyme low-temperature dyeing method, a low-temperature plasma pretreatment method and the like, but the methods still have various problems. For example, low-temperature plasma pretreatment is only a surface treatment technology, and when dyeing is carried out at low temperature, dyes may be only rapidly adsorbed to the surface of fibers and not fully diffused into the fibers, so that problems of uneven dyeing, low rubbing color fastness and large energy consumption are caused. Low-temperature dyeing of wool is effectively achieved to some extent by urea, formic acid, oxidizing agents-reducing agents, and the like, but environmental burden is also increased by discharge to water after treatment. The biological enzyme is easy to inactivate under certain processing conditions, and the reaction is not easy to control.
Therefore, it is necessary to find a low-temperature dyeing way which is green, ecological, environment-friendly, simple and feasible and has small damage to fibers.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above and/or other problems occurring in the prior art.
Therefore, the invention aims to overcome the defects in the prior art and provide a wool fiber low-temperature deepening dyeing modification method based on ATP activation.
In order to solve the technical problems, the invention provides the following technical scheme: a low-temperature deepening dyeing modification method of wool fiber based on ATP activation comprises the following steps,
wool fiber activation treatment: immersing wool fibers in a modified solution consisting of adenosine triphosphate, carboxyphenylboronic acid, chitin microcrystal, acetic acid, an organic solvent and deionized water, carrying out constant-temperature oscillation treatment at 30-50 ℃ for 20-90min, washing with deionized water, and drying to obtain activated wool fibers;
dyeing: and dyeing the activated wool fiber by using a dye bath consisting of acid dye, an auxiliary agent and water to obtain the dyed wool fiber.
As a preferable scheme of the ATP activation-based wool fiber low-temperature darkening dyeing modification method, the method comprises the following steps: the organic solvent is dimethyl sulfoxide.
As a preferable scheme of the ATP activation-based wool fiber low-temperature deepening dyeing modification method, the method comprises the following steps: the volume ratio of the organic solvent to the deionized water is 1.
As a preferable scheme of the ATP activation-based wool fiber low-temperature darkening dyeing modification method, the method comprises the following steps: the modified solution has adenosine triphosphate concentration of 1-10 g/L, carboxyphenylboronic acid concentration of 1.25-10 g/L, chitin microcrystal concentration of 2-20 g/L and acetic acid concentration of 4g/L.
As a preferable scheme of the ATP activation-based wool fiber low-temperature darkening dyeing modification method, the method comprises the following steps: the carboxyphenylboronic acid is one of 3-carboxyphenylboronic acid and 4-carboxyphenylboronic acid.
As a preferable scheme of the ATP activation-based wool fiber low-temperature deepening dyeing modification method, the method comprises the following steps: the diameter of the chitin microcrystal is 1-1000 nm.
As a preferable scheme of the ATP activation-based wool fiber low-temperature darkening dyeing modification method, the method comprises the following steps: and drying to obtain the activated wool fiber, wherein the drying temperature is 50 ℃.
As a preferable scheme of the ATP activation-based wool fiber low-temperature darkening dyeing modification method, the method comprises the following steps: the dyeing method is a dip dyeing method.
As a preferable scheme of the ATP activation-based wool fiber low-temperature deepening dyeing modification method, the method comprises the following steps: the auxiliary agent is one or two of nonionic polyoxyethylene ether peregal OS-15, peregal OP-10 and peregal AEO-10, and the concentration of the auxiliary agent is 2g/L.
As a preferable scheme of the ATP activation-based wool fiber low-temperature darkening dyeing modification method, the method comprises the following steps: the dyeing is carried out, wherein the dye concentration is 1-10%, the dyeing is o.w.f, the weight of the fabric is, the bath ratio is 1:10 to 50 ℃, the dyeing temperature is 30 to 80 ℃, and the dyeing time is 30 to 120min.
The invention has the beneficial effects that:
(1) The finishing liquid used by the invention contains phosphate groups, boric acid groups and chitin microcrystals, and after the fibers are modified, the phosphate groups, boric acid groups, amino groups, hydroxyl groups and other groups are introduced to the surfaces of the fibers, so that the effect between the fibers and anionic dyes is enhanced, the dyes are promoted to be dyed, and the dye uptake, color depth and dyeing fastness of the dyes on the fibers are effectively improved.
(2) The invention overcomes the defects of poor hand feeling, strong damage, poor washing fastness and the like caused by long-time high-temperature boiling dyeing under the acidic condition of the traditional acid dye, and meets the processing requirements of an ecological green sustainable dyeing and finishing technology. After modification, the dyeing bath pH is not required to be adjusted in the dyeing process, and an accelerating agent is not required to be added, so that the low-temperature deepening dyeing effect of the acid dye can be achieved, the dyeing material is saved, and the energy consumption is reduced.
(3) The modification method of the low-temperature dyed fiber based on the acid dye is ecological and environment-friendly in process, energy-saving, simple in process, convenient to operate and wide in application prospect.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, specific embodiments thereof are described in detail below with reference to examples of the specification.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1:
(1) Dissolving 0.2g of adenosine triphosphate in 10mL of dimethyl sulfoxide (DMSO) solution, adding 0.1g of 3-carboxyphenylboronic acid, uniformly stirring by magnetic force, sequentially adding 0.5g of acetic acid and 50mL of water, adding 0.1g of chitin microcrystal (the diameter is 20 nm), and uniformly stirring to prepare a modified solution;
(2) 1g of wool fabric is added into a modified solution consisting of 0.2g of adenosine triphosphate, 0.1g of 3-carboxyphenylboronic acid, 0.2g of chitin microcrystal, 0.5g of acetic acid, 10mL of dimethyl sulfoxide and 50mL of water, is subjected to constant-temperature shaking treatment at 30 ℃ for 1h, is taken out, is washed by deionized water and is dried in an oven at 50 ℃ to obtain the activated and modified wool fiber.
(3) Immersing the modified wool fabric into 4% acid bright red G, 2G/L peregal O and a bath ratio of 1:30 in a constant-temperature oscillation dyeing machine for dyeing for 1h at 60 ℃, taking out, washing with water and drying to obtain the dyed wool fabric.
Example 2:
(1) Dissolving 0.2g of adenosine triphosphate in 10mL of dimethyl sulfoxide (DMSO) solution, adding 0.2g of 3-carboxyphenylboronic acid, stirring uniformly by magnetic force, then sequentially adding 0.5g of acetic acid and 50mL of water, adding 0.1g of chitin microcrystal (the diameter is 20 nm), and stirring uniformly to prepare a modified solution;
(2) Adding 1g of wool fabric into a modified solution consisting of 0.2g of adenosine triphosphate, 0.2g of 3-carboxyphenylboronic acid, 0.1g of chitin microcrystal, 0.5g of acetic acid, 10mL of dimethyl sulfoxide and 50mL of water, carrying out constant-temperature shock treatment at 30 ℃ for 1h, taking out, washing with deionized water, and drying in an oven at 50 ℃ to obtain the activated and modified wool fiber.
(3) Immersing the modified wool fabric into 4% acid bright red G, 2G/L peregal O and a bath ratio of 1:30 in a constant-temperature oscillation dyeing machine for dyeing for 1h at 60 ℃, taking out, washing with water and drying to obtain the dyed wool fabric.
Example 3:
(1) Dissolving 0.1g of adenosine triphosphate in 10mL of dimethyl sulfoxide (DMSO) solution, adding 0.1g of 3-carboxyphenylboronic acid, uniformly stirring by magnetic force, then sequentially adding 0.5g of acetic acid and 50mL of water, adding 0.2g of chitin microcrystal (the diameter is 20 nm), and uniformly stirring to prepare a modified solution;
(2) Adding 1g of wool fabric into a modified solution consisting of 0.1g of adenosine triphosphate, 0.1g of 3-carboxyphenylboronic acid, 0.2g of chitin microcrystal, 0.5g of acetic acid, 10mL of dimethyl sulfoxide and 50mL of water, carrying out constant-temperature shaking treatment at 30 ℃ for 1h, taking out, washing with deionized water, and drying in an oven at 50 ℃ to obtain the activated and modified wool fiber.
(3) Immersing the modified wool fabric into 4% acid bright red G, 2G/L peregal O and a bath ratio of 1:30, dyeing for 1h in a constant-temperature oscillation dyeing machine at 60 ℃, taking out, washing and drying to obtain the dyed wool fabric.
Example 4:
(1) Dissolving 0.1g of adenosine triphosphate in 10mL of dimethyl sulfoxide (DMSO) solution, adding 0.1g of 3-carboxyphenylboronic acid, uniformly stirring by magnetic force, then sequentially adding 0.5g of acetic acid and 50mL of water, adding 0.1g of chitin microcrystal (the diameter is 20 nm), and uniformly stirring to prepare a modified solution;
(2) Adding 1g of wool fabric into a modified solution consisting of 0.1g of adenosine triphosphate, 0.1g of 3-carboxyphenylboronic acid, 0.1g of chitin microcrystal, 0.5g of acetic acid, 10mL of dimethyl sulfoxide and 50mL of water, carrying out constant-temperature shock treatment at 30 ℃ for 1h, taking out, washing with deionized water, and drying in an oven at 50 ℃ to obtain the activated and modified wool fiber.
(3) Immersing the modified wool fabric into 4% acid bright red G, 2G/L peregal O and a bath ratio of 1:30 in a constant-temperature oscillation dyeing machine for dyeing for 1h at 60 ℃, taking out, washing with water and drying to obtain the dyed wool fabric.
Example 5:
(1) Dissolving 0.1g of adenosine triphosphate in 10mL of dimethyl sulfoxide (DMSO) solution, adding 0.1g of 3-carboxyphenylboronic acid, uniformly stirring by magnetic force, then sequentially adding 0.5g of acetic acid and 50mL of water, adding 0.1g of chitin microcrystal (the diameter is 20 nm), and uniformly stirring to prepare a modified solution;
(2) Adding 1g of wool fabric into a modified solution consisting of 0.1g of adenosine triphosphate, 0.1g of 3-carboxyphenylboronic acid, 0.1g of chitin microcrystal, 0.5g of acetic acid, 10mL of dimethyl sulfoxide and 50mL of water, carrying out constant-temperature shaking treatment at 30 ℃ for 1h, taking out, washing with deionized water, and drying in an oven at 50 ℃ to obtain the activated and modified wool fiber.
(3) Immersing the modified wool fabric into 6% acid bright red G, 2G/L peregal O and a bath ratio of 1:30 in a constant-temperature oscillation dyeing machine for dyeing for 1h at 60 ℃, taking out, washing with water and drying to obtain the dyed wool fabric.
Example 6:
(1) Dissolving 0.1g of adenosine triphosphate in 10mL of dimethyl sulfoxide (DMSO) solution, adding 0.1g of 3-carboxyphenylboronic acid, uniformly stirring by magnetic force, then sequentially adding 0.5g of acetic acid and 50mL of water, adding 0.1g of chitin microcrystal (the diameter is 20 nm), and uniformly stirring to prepare a modified solution;
(2) Adding 1g of wool fabric into a modified solution consisting of 0.1g of adenosine triphosphate, 0.1g of 3-carboxyphenylboronic acid, 0.1g of chitin microcrystal, 0.5g of acetic acid, 10mL of dimethyl sulfoxide and 50mL of water, carrying out constant-temperature shaking treatment at 30 ℃ for 1h, taking out, washing with deionized water, and drying in an oven at 50 ℃ to obtain the activated and modified wool fiber.
(3) Immersing the modified wool fabric into 8% acid bright red G, 2G/L peregal O and a bath ratio of 1:30 in a constant-temperature oscillation dyeing machine for dyeing for 1h at 90 ℃, taking out, washing with water and drying to obtain the dyed wool fabric.
Comparative example 1:
1G of untreated wool fabric was immersed in 4% acid bright red G, 2G/L peregal O, bath ratio 1:30, dyeing for 1h in a constant-temperature oscillation dyeing machine at 60 ℃, taking out, washing and drying to obtain the dyed wool fabric.
Comparative example 2:
1G of untreated wool fabric was immersed in 6% acid bright red G, 2G/L peregal O, bath ratio 1:30 in a constant-temperature oscillation dyeing machine for dyeing for 1h at 60 ℃, taking out, washing with water and drying to obtain the dyed wool fabric.
Comparative example 3:
1G of untreated wool fabric was immersed in 8% acid bright red G, 2G/L peregal O, bath ratio 1:30 in a constant-temperature oscillation dyeing machine for dyeing for 1h at 60 ℃, taking out, washing with water and drying to obtain the dyed wool fabric.
And (3) performance testing:
the surface color feature values L, a, b, K/S of the dyed fabrics were tested by folding into four layers with a Datacolor7000A color measuring and matching instrument under a D65 illuminant at an angle of 10 °.
The color fastness to rubbing is determined according to GB/T3920-2008 "color fastness to rubbing" of textile color fastness test ".
The color fastness to washing is determined according to GB/T3921-2008, test 1 of the color fastness to washing of textiles.
The color fastness to light is determined according to GB/T8427-2008 "color fastness to artificial light in textile color test: xenon arc".
The apparent colour depth K/S values and different fastness properties obtained for the wool fabrics modified with different recipes (examples 1-4) were compared with the wool fabrics not modified with acid scarlet G after dyeing at different concentrations, see Table 1.
TABLE 1 Properties after dyeing
Figure BDA0003256987570000061
Figure BDA0003256987570000071
As can be seen from Table 1, the amount of ATP used is large, dye-uptake is promoted, and the K/S value of the fiber surface is large. After the modified wool fabric is dyed by the acid dye, the color depth is obviously thicker than that of the unmodified wool fabric. It can also be seen from table 1 that the K/S value increases with increasing dye concentration after modification of wool fabrics by the method of the invention.
Compared with untreated fabric, the K/S is increased more obviously, and the washing fastness, the rubbing fastness and the light fastness are improved to a certain extent.
Comparative example 4:
in the modification solution under the conditions of example 2: 0.3g of 3-carboxyphenylboronic acid and 0.2g of chitin microcrystal, and the conditions are the same as in example 2.
Comparative example 5:
in the modification solution under the conditions of example 2: 3-Carboxyphenylboronic acid 0.3g and adenosine triphosphate 0.2g, all other conditions were the same as in example 2.
Comparative example 6:
in the modification solution under the conditions of example 2: adenosine triphosphate 0.3g, chitin microcrystal 0.2g, other conditions are all the same as example 2.
The properties after dyeing are shown in Table 2.
TABLE 2
Figure BDA0003256987570000081
The invention aims to provide a modification method which can realize the low-temperature deepening dyeing effect without adjusting the pH value and adding an accelerating agent when dyeing wool fabrics with acid dyes. The modification method is ecological, environment-friendly, simple and effective, can reduce energy consumption and save dyes.
The invention adopts the adenosine triphosphate as an energy activator, the chitin microcrystal as a coupling agent and the carboxyphenylboronic acid as an anchoring agent of the dye, activates the wool at low temperature, enhances the binding capacity of the fiber to the acid dye after modification, effectively improves the dye uptake, color depth and dyeing fastness of the dye on the fiber, and also ensures that the fiber has good flame retardant effect and anti-ultraviolet effect. The process is simple and convenient to operate and has wide application prospect.
The invention overcomes the defects of poor hand feeling, strong damage, poor washing fastness and the like caused by long-time high-temperature boiling dyeing under the acidic condition of the traditional acid dye, and meets the processing requirements of an ecological green sustainable dyeing and finishing technology. After modification, the dyeing bath pH is not required to be adjusted in the dyeing process, and an accelerating agent is not required to be added, so that the low-temperature deepening dyeing effect of the acid dye can be achieved, the dyeing material is saved, and the energy consumption is reduced.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (7)

1. A wool fiber low-temperature deepening dyeing modification method based on ATP activation is characterized by comprising the following steps: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
wool fiber activation treatment: immersing wool fibers in a modified solution consisting of adenosine triphosphate, carboxyphenylboronic acid, chitin microcrystal, acetic acid, an organic solvent and deionized water, carrying out constant-temperature oscillation treatment at 30-50 ℃ for 20-90min, washing with deionized water, and drying to obtain activated wool fibers, wherein the concentration of the adenosine triphosphate is 1-10g/L, the concentration of the carboxyphenylboronic acid is 1.25-10g/L, the concentration of the chitin microcrystal is 2-20g/L, and the concentration of the acetic acid is 4g/L;
dyeing: and dip-dyeing the activated wool fiber by using a dye bath consisting of acid dye, auxiliary agent and water to prepare the dyed wool fiber, wherein the dye concentration is 1-10%, and the bath ratio is 1:10 to 50, the dyeing temperature is 30 to 80 ℃, and the dyeing time is 30 to 120min.
2. The ATP-activation-based wool fiber low-temperature darkening dyeing modification method of claim 1, wherein: the organic solvent is dimethyl sulfoxide.
3. The ATP-activation based wool fiber low-temperature darkening dyeing modification method of claim 1 or 2, wherein: the volume ratio of the organic solvent to the deionized water is 1.
4. The ATP-activation-based wool fiber low-temperature darkening dyeing modification method of claim 1, wherein: the carboxyphenylboronic acid is one of 3-carboxyphenylboronic acid and 4-carboxyphenylboronic acid.
5. The ATP-activation-based wool fiber low-temperature darkening dyeing modification method of claim 1, wherein: the diameter of the chitin microcrystal is 1 to 1000nm.
6. The ATP-activation-based wool fiber low-temperature darkening dyeing modification method of claim 1, wherein: and drying to obtain the activated wool fiber, wherein the drying temperature is 50 ℃.
7. The ATP-activation-based wool fiber low-temperature darkening dyeing modification method of claim 1, wherein: the auxiliary agent is one or two of nonionic polyoxyethylene ether peregal OS-15, peregal OP-10 and peregal AEO-10, and the concentration of the auxiliary agent is 2g/L.
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