CN110042679B - Soaping-free digital printing reactive dye ink and preparation method thereof - Google Patents
Soaping-free digital printing reactive dye ink and preparation method thereof Download PDFInfo
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- CN110042679B CN110042679B CN201910311660.4A CN201910311660A CN110042679B CN 110042679 B CN110042679 B CN 110042679B CN 201910311660 A CN201910311660 A CN 201910311660A CN 110042679 B CN110042679 B CN 110042679B
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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
- D06P1/38—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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—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 synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/5214—Polymers of unsaturated compounds containing no COOH groups or functional derivatives thereof
- D06P1/5221—Polymers of unsaturated hydrocarbons, e.g. polystyrene polyalkylene
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
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- 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
- D06P5/30—Ink jet printing
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
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Abstract
The invention discloses soaping-free digital printing reactive dye ink and a preparation method thereof, wherein the soaping-free digital printing reactive dye ink comprises the following components in percentage by mass: 17-25% of reactive dye, 1-5% of macromolecular color fixing agent, 0.05-0.5% of inorganic color fixing agent, 1-3% of nonionic surfactant, 0.03-0.08% of defoaming agent, 2-6% of cosolvent, 0.5-1% of pH regulator, 0.1-1% of bactericide and the balance of deionized water. The color fixing rate of the ink is greatly improved by combining the modified styrene-acrylate macromolecular color fixing agent and the trace inorganic color fixing agent, and the dye ink is particularly suitable for cotton and rayon fiber materials.
Description
Technical Field
The invention belongs to the field of digital ink-jet printing, and particularly relates to soaping-free digital printing reactive dye ink and a preparation method thereof.
Background
The digital ink-jet printing technology is a product of modern technological application which integrates computer data processing, precision machinery and photoelectric information technology into a whole and is gradually formed along with the continuous development of computer technology. Digital inkjet printing technology for textiles began in the 70's of the 20 th century, with the 90's completing the transition from technical models to production applications. As one of the industries which are mainly supported by the state, the digital ink-jet printing technology of textiles gradually replaces the traditional textile printing technology globally by means of the obvious green printing technology and the unique printing mode.
After 2000 years, the digital ink-jet printing technology of textiles was rapidly developed, and the conversion process from the primary proofing for textile printing and dyeing to small-batch production and then to large-scale production is performed in the middle. Subsequently, the digital ink-jet printing of the textile gradually permeates into a plurality of fields such as clothes, home textiles, automobile decoration, design, advertisement, personalized customization, online stores and the like. In the last decade, the global digital ink-jet printing quantity of textiles almost doubles every two years, and the situation of accelerated development is presented. At present, the proportion of digital ink-jet printing in the textile printing industry in China is as high as about l 0%.
The ink is used as a basic consumable material for digital ink-jet printing of textiles, and the quality of the ink determines the quality of the digital ink-jet printing textiles. At present, the overall quality of the ink for digital ink-jet printing of textiles in China is far from the same products in foreign countries, and corresponding products exist in China at present, but the ink is influenced by relevant conditions such as raw materials and technologies, has a great difference from the same products in foreign countries in quality, cannot replace imported products, is limited in raw material supply, cannot reduce the price, and cannot reduce the cost of printing and dyeing factories. Compared with the imported ink, the price of the domestic like products has no great competitive advantage. Among them, high-end ink technologies for high-speed digital inkjet printing and the like are almost monopoly abroad (europe, the united states, japan and korea). Therefore, the method becomes a main obstacle influencing the popularization and development of the digital printing industry in China.
The reactive dye ink is one of textile digital ink-jet printing inks, has the advantages of good ink fluidity, high saturation and the like, and is widely concerned by researchers.
Digital printing is a product of modern technology application generated along with the continuous development of computer technology, and has various advantages in the aspects of flexible and changeable application, intelligent operation, safe and environment-friendly production and the like compared with the traditional printing and dyeing. In the field of digital printing at present, the active ink is widely applied ink, can be applied to fabrics such as cellulose fibers, protein fibers and the like, comprises fabrics such as cotton, rayon, flax, real silk and the like, can endow chinlon printed fabrics with excellent washing fastness, can also replace chrome mordant dye for wool dyeing, and gradually replaces reduction, mordant dye and the like to further expand the application range along with increasing strictness on the problems of production environment pollution and safety.
After the fiber fabric is printed and dyed, in order to improve the color fastness and the brilliance, a soap or detergent solution is used for cleaning dye, dye assistant, printing slurry and the like which are not fixed on the surface of the fiber fabric under the condition of near boiling.
Most of the printing inks used in the current domestic market come from import, the ink price is high, the inks need to be soaped after being steamed, and a large amount of waste water is generated as the traditional printing. In addition, the prior ink-jet printing also needs to be pretreated by paste materials such as traditional seaweed paste, and the like, so the prior ink-jet printing also needs to be dried, steamed, soaped and the like the traditional printing, and also generates a large amount of printing and dyeing sewage like the traditional process.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the soaping-free digital printing reactive dye ink which has the good effects of high fixation rate, high dye content, long-term storage and the like.
The technical scheme of the invention is as follows: the soaping-free digital printing reactive dye ink comprises the following components in percentage by mass: 17-25% of reactive dye, 1-5% of macromolecular color fixing agent, 0.05-0.5% of inorganic color fixing agent, 1-3% of nonionic surfactant, 0.03-0.08% of defoaming agent, 2-6% of cosolvent, 0.5-1% of pH regulator, 0.1-1% of bactericide and the balance of deionized water; the macromolecular color fixing agent is a modified styrene-acrylate macromolecular polymer, and the modification comprises the steps of chloromethylation, quaternization and alkalization.
Preferably, the reactive dye is at least one of c.i. reactive black 5, reactive black 8, reactive black 39, c.i. reactive yellow 85, reactive yellow M-EXF, c.i. reactive yellow 95, c.i. reactive red 24, reactive red M-EXF, c.i. reactive red 141, c.i. reactive red 195, c.i. reactive red 218, c.i. reactive red 245, c.i. reactive blue 5, reactive blue M-EXF, c.i. reactive blue 15, c.i. reactive blue 49, c.i. reactive blue 72, c.i. reactive blue 74, c.i. reactive orange 2, c.i. reactive orange 5, c.i. reactive orange 12, c.i. reactive orange 13, c.i. reactive brown 19.
Alkali is a reactive dye fixing agent, the reactive dye and fibers are subjected to covalent crosslinking under the action of sodium bicarbonate, the consumption of the reactive dye is too much, the reactive dye is easy to hydrolyze, and in order to ensure higher fixation rate, the consumption of the sodium bicarbonate serving as a common fixing agent needs to be kept at a high consumption of more than 1%, but the use of the high-content sodium bicarbonate causes the content of inorganic salt in dye ink, so that the stability of the dye ink is poor, and the ink has stronger corrosivity and the service life of a printer nozzle is shortened.
Based on the problems, the invention creatively adopts a macromolecular color fixing agent, namely, the modified styrene-acrylate macromolecular polymer, wherein the modification comprises the steps of chloromethylation, quaternization and alkalization.
The method specifically comprises the following steps: (1) adding a block polymer of a styrene-acrylate block and 1, 4-dichloromethoxybutane into dichloromethane, carrying out reflux reaction for 5-10 hours, cooling a reaction mixture after the reaction is finished, evaporating a solvent to dryness, washing, and drying to obtain a chloromethylated product;
(2) adding the obtained chloromethylation product and a quaternization reagent into an organic solvent, heating to 50-80 ℃, reacting for 5-10 hours, adding a certain amount of distilled water after the reaction is finished, separating, washing and drying to obtain a quaternization product;
(3) adding the quaternary amination product into a strong alkali solution, heating to 30-50 ℃, stirring for 5-10 hours, then filtering, washing until the filtrate is neutral, and drying to obtain the macromolecular color fixing agent.
Preferably, the inorganic color fixing agent is one or more of sodium bicarbonate, potassium bicarbonate, sodium hydroxide and potassium hydroxide.
The modified styrene-acrylate high molecular polymer adopted by the invention has super-strong alkalinity, can catalyze the covalent crosslinking of the reactive dye and the fiber by being added as a high molecular color fixing agent, can greatly improve the color fixing rate of the ink particularly by being combined with trace inorganic color fixing agents (such as sodium bicarbonate and the like), can also play a role in assisting the dissolution of the reactive dye, further increases the solubility of the dye, can achieve the purpose of improving the dye content in the ink and enables the dye to adapt to the requirements of a digital printing machine.
The defoaming agent is one or more of a high-carbon alcohol fatty acid ester compound, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether, polyoxypropylene polyoxyethylene glycerol ether and polydimethylsiloxane.
The nonionic surfactant is one or two of octyl phenol polyoxyethylene ether and nonyl phenol polyoxyethylene ether; the addition of the nonionic surface activity not only ensures the wetting state of the ink in the nozzle, but also ensures the fluency of the high-concentration ink, so that the high-concentration ink has good printing performance.
Preferably, the pH adjusting agent is ethanolamine, trihydroxyaminomethane, or a combination thereof.
Preferably, the bactericide is potassium sorbate or 1, 2-benzisothiazolin-3-one.
Preferably, the cosolvent is one of urea or ethylene urea. The urea has the functions of absorbing moisture in the steaming process, swelling the fiber, helping dye to permeate into the fiber and dye the fiber, but the excessive urea consumption can cause a great amount of moisture absorption in the storage process of the pretreated fabric, and the soaping process after printing can greatly increase the urea content in the wastewater to cause oxygen enrichment of the environment, so the urea consumption is strictly controlled.
The invention also provides a preparation method of the soaping-free digital printing reactive dye ink, which comprises the following steps: mixing and stirring the raw material components for 1-2h, and then performing multistage filtration according to the sequence of the pore diameter of a filter membrane from large to small, wherein the pore diameter of the filter membrane is 0.56-0.20 mu m, thus obtaining the finished product of the reactive dye ink.
The beneficial technical effects of the invention are as follows:
1. the modified styrene-acrylate high molecular polymer adopted by the invention has super-strong alkalinity, can catalyze the covalent crosslinking of the reactive dye and the fiber by being added as a high molecular color fixing agent, can be large, and particularly can greatly improve the color fixing rate of the ink by being combined with trace inorganic color fixing agents (such as sodium bicarbonate and the like).
2. The color fixing rate of the ink is greatly improved by combining the modified styrene-acrylate macromolecular color fixing agent and the trace inorganic color fixing agent, and the dye ink is particularly suitable for cotton and rayon fiber materials.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
[ example 1 ]
S1, preparing a modified styrene-acrylonitrile high molecular polymer by using a high molecular color fixing dispersant:
(1) adding a styrene-acrylonitrile block polymer with the molecular weight of Mn being 75000 and the styrene block content being 35% and 1, 4-dichloromethoxybutane into dichloromethane according to the mass ratio of 1:2, carrying out reflux reaction for 10 hours, cooling a reaction mixture after the reaction is finished, evaporating a solvent to dryness, washing and drying to obtain a chloromethylated product;
(2) adding the obtained chloromethylation product and 4 times of excessive triethylamine into tetrahydrofuran, heating to 80 ℃, reacting for 10 hours, adding a certain amount of distilled water after the reaction is finished, separating, washing and drying to obtain a quaternary amination product;
(3) adding the quaternization product into a 1M KOH solution, heating to 30-50 ℃, stirring for 5-10 hours, then filtering, washing until the filtrate is neutral, and drying to obtain the macromolecular color fixing dispersant.
S2, the soaping-free digital printing reactive dye ink comprises the following components in percentage by mass: 25% of reactive dye, 5% of macromolecular color fixing agent prepared in step S1, 0.5% of sodium bicarbonate, potassium bicarbonate, sodium hydroxide, 0.5% of potassium hydroxide, 3% of polyoxyethylene octylphenol ether and polyoxyethylene nonylphenol ether, 0.08% of polyoxyethylene polyoxypropylene pentaerythritol ether, 6% of urea or urea, 0.5% of ethanolamine, 1% of potassium sorbate and the balance of deionized water.
The preparation method comprises the following steps: mixing and stirring the raw material components for 1-2h, then sequentially filtering by using a water-based filter membrane with the aperture of 0.55 mu m and a water-based filter membrane with the aperture of 0.35 mu m and the aperture of 0.20 mu m, and removing bubbles by ultrasonic waves to obtain the finished product of the reactive dye ink.
[ example 2 ]
S1, preparing a modified styrene-acrylonitrile high molecular polymer by using a high molecular color fixing dispersant:
(1) adding a styrene-acrylonitrile block polymer with the molecular weight Mn of 70000 and the styrene block content of 30% and 1, 4-dichloromethoxybutane into dichloromethane according to the mass ratio of 1:2, carrying out reflux reaction for 5-10 hours, cooling a reaction mixture after the reaction is finished, evaporating a solvent to dryness, washing and drying to obtain a chloromethylated product;
(2) adding the obtained chloromethylation product and 4 times of excessive triethylamine into tetrahydrofuran, heating to 80 ℃, reacting for 10 hours, adding a certain amount of distilled water after the reaction is finished, separating, washing and drying to obtain a quaternary amination product;
(3) adding the quaternization product into a 1M KOH solution, heating to 30-50 ℃, stirring for 10 hours, then filtering, washing until the filtrate is neutral, and drying to obtain the macromolecular color fixing dispersant.
S2, the soaping-free digital printing reactive dye ink comprises the following components in percentage by mass: active blue M-EX 17-25%, macromolecular color fixing agent prepared in step S1 1-5%, sodium bicarbonate 0.15%, polyoxyethylene nonylphenol ether 1-3%, higher alcohol fatty acid ester compound 0.08%, ethylene urea 2.6%, ethanolamine 0.6%, potassium sorbate 0.1-1%, and the balance of deionized water.
The preparation method comprises the following steps: mixing and stirring the raw material components for 1-2h, then sequentially filtering by using a water-based filter membrane with the aperture of 0.55 mu m and a water-based filter membrane with the aperture of 0.35 mu m and the aperture of 0.20 mu m, and removing bubbles by ultrasonic waves to obtain the finished product of the reactive dye ink.
[ example 3 ]
S1, preparing a modified styrene-acrylonitrile high molecular polymer by using a high molecular color fixing dispersant:
(1) adding a styrene-acrylonitrile block polymer with the molecular weight Mn of 65000 and the styrene block content of 25% and 1, 4-dichloromethoxybutane into dichloromethane according to the mass ratio of 1:2, carrying out reflux reaction for 5 hours, cooling a reaction mixture after the reaction is finished, evaporating a solvent to dryness, washing and drying to obtain a chloromethylated product;
(2) adding the obtained chloromethylation product and 4 times of excessive triethylamine into tetrahydrofuran, heating to 80 ℃, reacting for 5 hours, adding a certain amount of distilled water after the reaction is finished, separating, washing and drying to obtain a quaternary amination product;
(3) adding the quaternization product into a 1M KOH solution, heating to 50 ℃, stirring for 5-10 hours, then filtering, washing until the filtrate is neutral, and drying to obtain the macromolecular color fixing dispersant.
S2, the soaping-free digital printing reactive dye ink comprises the following components in percentage by mass: 25% of reactive dye, 5% of macromolecular color fixing agent prepared in step S1, 0.23% of potassium bicarbonate, 2.1% of octylphenol polyoxyethylene ether, 0.06% of polyoxypropylene glycerol ether, 3% of urea, 0.5-1% of ethanolamine, 0.1-1% of potassium sorbate and the balance of deionized water.
The preparation method comprises the following steps: mixing and stirring the raw material components for 1-2h, then sequentially filtering by using a water-based filter membrane with the aperture of 0.55 mu m and a water-based filter membrane with the aperture of 0.35 mu m and the aperture of 0.20 mu m, and removing bubbles by ultrasonic waves to obtain the finished product of the reactive dye ink.
[ example 4 ]
S1, preparing a modified styrene-acrylonitrile high molecular polymer by using a high molecular color fixing dispersant:
(1) adding a styrene-acrylonitrile block polymer with the molecular weight Mn of 70000 and the styrene block content of 35% and 1, 4-dichloromethoxybutane into dichloromethane according to the mass ratio of 1:2, carrying out reflux reaction for 5 hours, cooling a reaction mixture after the reaction is finished, evaporating a solvent to dryness, washing and drying to obtain a chloromethylated product;
(2) adding the obtained chloromethylation product and 4 times of excessive triethylamine into tetrahydrofuran, heating to 60 ℃, reacting for 10 hours, adding a certain amount of distilled water after the reaction is finished, separating, washing and drying to obtain a quaternary amination product;
(3) adding the quaternization product into a 1M KOH solution, heating to 50 ℃, stirring for 5-10 hours, then filtering, washing until the filtrate is neutral, and drying to obtain the macromolecular color fixing dispersant.
S2, the soaping-free digital printing reactive dye ink comprises the following components in percentage by mass: C.I. active red 2417%, the macromolecular color fixing agent prepared in the step S1, 0.09% of potassium hydroxide, 3% of nonylphenol polyoxyethylene ether, 0.03-0.08% of polydimethylsiloxane, 3% of urea or ethylene urea, 0.6% of trihydroxyaminomethane, 0.1-1% of potassium sorbate and the balance of deionized water.
The preparation method comprises the following steps: mixing and stirring the raw material components for 1-2h, then sequentially filtering by using a water-based filter membrane with the aperture of 0.55 mu m and a water-based filter membrane with the aperture of 0.35 mu m and the aperture of 0.20 mu m, and removing bubbles by ultrasonic waves to obtain the finished product of the reactive dye ink.
1. Ink Performance measurement
The results of the product evaluations of the inks of examples 1 to 4 measured at 20 ℃ are shown in Table 1.
2. Fixation test
The ink yield of the soap wash was set to 100%, the inks of examples 1 to 4 were printed on cotton cloth treated with only 1M sodium bicarbonate solution using an asahi X6-1880 printer, and then the color shift before and after fixation was compared using a colorimeter under steam steaming at 102 ℃ for 8min, and washed with cold water, and the results are shown in table 2:
TABLE 2
| Color change | Example 1 | Example 2 | Example 3 | Example 4 |
| The result of the detection | 1％ | 1％ | 0.9％ | 1％ |
The components of the dye ink formula of the invention have synergistic effect, so that the color fixing rate of the product is extremely high and reaches more than 99 percent, and trace excess ink raw materials and other chemical substances left on the fabric only need to be washed after the steaming, so that soaping is not needed, and the product can be washed only by water.
The foregoing description has disclosed fully preferred embodiments of the present invention. It should be noted that those skilled in the art can make modifications to the embodiments of the present invention without departing from the scope of the appended claims. Accordingly, the scope of the appended claims is not to be limited to the specific embodiments described above.
Claims (8)
1. The soaping-free digital printing reactive dye ink comprises the following components in percentage by mass: 17-25% of reactive dye, 1-5% of macromolecular color fixing agent, 0.05-0.5% of inorganic color fixing agent, 1-3% of nonionic surfactant, 0.03-0.08% of defoaming agent, 2-6% of cosolvent, 0.5-1% of pH regulator, 0.1-1% of bactericide and the balance of deionized water; the macromolecular color fixing agent is a modified styrene-acrylonitrile macromolecular polymer, and the modification comprises the following steps:
(1) adding a styrene-acrylonitrile block polymer and 1, 4-dichloromethoxybutane into dichloromethane, carrying out reflux reaction for 5-10 hours, cooling a reaction mixture after the reaction is finished, evaporating a solvent to dryness, washing, and drying to obtain a chloromethylated product;
(2) adding the obtained chloromethylation product and a quaternization reagent into an organic solvent, heating to 50-80 ℃, reacting for 5-10 hours, adding a certain amount of distilled water after the reaction is finished, separating, washing and drying to obtain a quaternization product;
(3) adding the quaternary amination product into a strong alkali solution, heating to 30-50 ℃, stirring for 5-10 hours, then filtering, washing until the filtrate is neutral, and drying to obtain a high-molecular color fixing agent;
the inorganic color fixing agent is one or more of sodium bicarbonate, potassium bicarbonate, sodium hydroxide and potassium hydroxide.
2. The soaping-free digital printing reactive dye ink according to claim 1, wherein the reactive dye is at least one of reactive red M-EXF, c.i. reactive red 24, c.i. reactive red 141, c.i. reactive red 195, c.i. reactive red 245, c.i. reactive orange 12, c.i. reactive orange 13, c.i. reactive brown, c.i. reactive blue 5, reactive blue M-EXF, c.i. reactive blue 15, c.i. reactive blue 72, c.i. reactive yellow 85, reactive yellow M-EXF, c.i. reactive blue 74, c.i. reactive orange 5, c.i. reactive black 8, reactive black 39.
3. The soaping-free digital printing reactive dye ink according to claim 1, wherein the defoaming agent is one or more of a higher alcohol fatty acid ester complex, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether, polyoxypropylene polyoxyethylene glycerol ether, and polydimethylsiloxane.
4. The soaping-free digital printing reactive dye ink as claimed in claim 1, wherein the nonionic surfactant is one or both of polyoxyethylene octylphenol ether and polyoxyethylene nonylphenol ether.
5. The soaping-free digital printing reactive dye ink as claimed in claim 1, wherein: the pH regulator is ethanolamine, trihydroxy aminomethane or the combination thereof.
6. The soaping-free digital printing reactive dye ink as claimed in claim 1, wherein: the bactericide is potassium sorbate or 1, 2-benzisothiazolin-3-ketone.
7. The soaping-free digital printing reactive dye ink as claimed in claim 1, wherein: the cosolvent is one of urea or ethylene urea.
8. The preparation method of the soapless digital printing reactive dye ink according to any one of claims 1 to 7, comprising the steps of: mixing and stirring the raw material components for 1-2h, and then performing multistage filtration according to the sequence of the pore diameter of a filter membrane from large to small, wherein the pore diameter of the filter membrane is 0.56-0.20 mu m, thus obtaining the finished product of the reactive dye ink.
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| CN110699983B (en) * | 2019-10-29 | 2022-01-04 | 太仓宝霓实业有限公司 | Reactive dye dyeing promoter composition and preparation method thereof |
| CN112160038B (en) * | 2020-09-10 | 2022-08-16 | 深圳市华远新材料有限公司 | Colored polylactic acid tow and preparation method thereof |
| CN113584752A (en) * | 2021-08-06 | 2021-11-02 | 长胜纺织科技发展(上海)有限公司 | Method and system for dyeing field jet fabric |
| CN114351479B (en) * | 2021-12-22 | 2024-03-26 | 广东职业技术学院 | Dyeing method and application of cellulose fiber |
| CN114059365A (en) * | 2021-12-23 | 2022-02-18 | 江苏德旺数码科技有限公司 | Dye composition for digital printing |
| CN114134733A (en) * | 2021-12-30 | 2022-03-04 | 江苏德旺数码科技有限公司 | Water-based dye ink and application thereof |
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