CN111057394A - High-strength disperse slurry dye mixture and application thereof - Google Patents
High-strength disperse slurry dye mixture and application thereof Download PDFInfo
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- CN111057394A CN111057394A CN201911069720.2A CN201911069720A CN111057394A CN 111057394 A CN111057394 A CN 111057394A CN 201911069720 A CN201911069720 A CN 201911069720A CN 111057394 A CN111057394 A CN 111057394A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/008—Preparations of disperse dyes or solvent dyes
- C09B67/0082—Preparations of disperse dyes or solvent dyes in liquid form
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/0084—Dispersions of dyes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/0084—Dispersions of dyes
- C09B67/0085—Non common dispersing agents
- C09B67/0089—Non common dispersing agents non ionic dispersing agent, e.g. EO or PO addition products
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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
- D06P1/16—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 dispersed, e.g. acetate, dyestuffs
Abstract
The invention discloses a high-strength disperse pulpy dye mixture and application thereof, belonging to the field of textile printing and dyeing, in particular to a high-strength disperse pulpy dye and application thereof, wherein the disperse pulpy dye mixture adopts a high-efficiency disperse system consisting of an anionic surfactant, nonionic surface activity and a solvent to help the crushing of dye particles and prevent the crushed particles from reaggregating or agglomerating, and the problems of low strength of common liquid disperse dyes and generation of a large amount of waste gas and high COD printing and dyeing wastewater in the production and use processes of granular disperse dyes are solved by reducing the content of an auxiliary agent and compounding the solvent in the auxiliary agent. The invention also provides the application of the high-strength disperse pulpy dye mixture in production of products and fiber products, and when the dip dyeing, printing and pad dyeing processes are carried out, medium and light color fabrics and fiber products are not washed by water, and dark color fabrics and fiber products are washed by light water or reduction, so that the production of printing and dyeing wastewater is reduced, the energy is saved, the environment is protected, and the market application potential is good.
Description
Technical Field
The invention belongs to the field of fabric printing and dyeing, and particularly relates to a high-strength disperse pulpy dye mixture and application thereof.
Background
In recent years, with the increasing national requirements on environmental protection, the discharge standard of pollutants for the textile dyeing and finishing industry (GB4287-2012) comes out, and the COD limit of the waste water discharge of the dyeing and finishing industry is reduced from 500ppm to 200ppm, which puts higher requirements on the waste water discharge of the dyeing and finishing industry.
Currently, the main formulations of commercially available dyes are liquid dyes and granular dyes. The liquid disperse dye has the advantages of simple production method, convenient use and operation, capability of improving dyeing performance and the like, is highly valued by printing and dyeing factories, and has higher development speed. However, the liquid disperse dye sold in the market at present has low strength, so that the transportation cost is increased, and the sale range of the dye is narrowed. The granular dye can achieve higher strength and lasting stability, but the granular disperse dye needs a crushing and drying process in the production process, consumes energy and generates a large amount of drying waste gas. The granular dye also generates a large amount of dust during use, making the working environment poor.
In addition, a large amount of dispersing agent is added in the production process of the liquid dye and the granular dye, so that a large amount of high-COD wastewater is inevitably generated in the production process of the printing and dyeing industry. The major sources of these COD are the undyed auxiliaries and dyes. Therefore, the selection of the pulpy disperse dye with high strength, high dye-uptake and low auxiliary agent content is very important for the standard-reaching discharge of the waste water in the textile printing and dyeing industry. The technology is taken as a research and development hotspot in the industry, can reduce energy consumption and exhaust emission in the dye production process, can improve the working environment in the use process, and has good application potential.
Therefore, the development of a low-pollution and high-strength slurry disperse dye mixture is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a high-strength slurry disperse dye mixture, which has higher strength than the conventional liquid dye. The content of the auxiliary agent in the slurry disperse dye is lower than that of the common liquid and granular disperse dye by using the high-efficiency compound dispersant.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-strength disperse pulp dye mixture comprises 28-45% of disperse dye, 6-12% of auxiliary agent and the balance of water in percentage by weight of the mixture.
The invention adds high-efficiency nonionic surfactant, and the anchoring group in the structure is firmly attached to the surface of the dye particle through the actions of hydrogen bond, dipole force, van der waals force and the like. The solvating chains are sufficiently extended in the water to provide effective steric hindrance to prevent reagglomeration between particles, which helps to break down the dye particles and prevent re-agglomeration or clumping of the broken particles, thereby achieving uniform dispersion of the dye particles in the water.
Preferably, the auxiliary agent comprises the following components in percentage by weight: 20-35% of solvent, 20-50% of anionic surfactant and 25-50% of nonionic surfactant.
It should be noted that the anionic surfactant easily forms a directional micelle structure with good hydrophilicity on the surface of the dye particle, so that the dye particle is uniformly dispersed in water. And because the anionic surfactant is negatively charged after being dissociated in water, a charged protective layer which is arranged in a close and directional way can be formed on the surface of the dye particles, so that mutual repulsive force is generated among the dye particles, and the coagulation of the dye particles can be more effectively prevented. The nonionic surfactant can be tightly adsorbed with dye particles and can be inserted into the anionic surfactant to form a composite micelle structure with excellent flexibility, so that the stability of a dispersion system is further improved. Meanwhile, the invention also compounds a certain amount of solvent, and the solvent can increase the solubility of the dye and the viscosity of the system, thereby effectively improving the storage stability of the high-strength slurry dye.
More preferably, the solvent includes one or more of methanol, ethanol, ethylene glycol, diethylene glycol, propylene glycol, glycerin, ethylene glycol phenyl ether, diethylene glycol monophenyl ether, propylene glycol phenyl ether, dipropylene glycol monophenyl ether, benzyl alcohol, anisole, diethylene glycol, triethylene glycol, diethylene glycol monobutyl ether, 2-amino-2-methyl-1-propanol, dimethyl sulfoxide, N-dimethylformamide, and N, N-dimethylacetamide.
More preferably, the anionic surfactant comprises lignosulfonate, a dispersant MF, a dispersant NNO, sodium p-nitrobenzenesulfonate, p-nitrobenzenesulfonic acid, sodium m-nitrobenzenesulfonate, m-nitrobenzenesulfonic acid, sodium p-methylbenzenesulfonate, sodium m-methylbenzenesulfonate, m-methylbenzenesulfonic acid, cardanol polyoxyethylene ether sulfonate, cardanol polyoxyethylene ether sulfate, cardanol polyoxyethylene ether phosphate, deca polyoxyethylene ether sulfate, deca polyoxyethylene ether sulfonate, deca polyoxyethylene ether phosphate, dodecyl polyoxyethylene ether sulfate, dodecyl polyoxyethylene ether sulfonate, sodium diisobutyl naphthalene sulfonate, castor oil polyoxyethylene ether sulfate, castor oil polyoxyethylene ether sulfonate, alkylphenol polyoxyethylene ether sulfate, sodium alkyl phenol sulfonate, sodium dodecyl alcohol polyoxyethylene ether sulfate, sodium dodecyl benzene sulfonate, sodium dodecyl benzene sulfonate, One or more of alkylphenol polyoxyethylene ether sulfonate, alkylphenol polyoxyethylene ether phosphate, coconut oil fatty acyl ethylene glycol amine phosphate, lauryl sulfosuccinate monoester disodium, fatty alcohol polyoxyethylene ether sulfosuccinate monoester disodium, coconut monoethanolamide sulfosuccinate monoester disodium, methyl stearate polyoxyethylene ether sulfonate, secondary alkyl sodium sulfonate, sulfosuccinate monoester sodium salt, sulfosuccinate diester sodium salt, succinamide sodium sulfonate, sodium dodecyl benzene sulfonate and ammonium dodecyl benzene sulfonate.
More preferably, the nonionic surfactant includes a polyoxyethylene lauryl ether, an isomeric polyoxyethylene lauryl ether, a polyoxyethylene lauryl benzyl alcohol, a polyethylene glycol dioleate, a polypropylene glycol, a cardanol polyoxyethylene ether, a coconut fatty diethanol amide, a tallow/fatty amine polyoxyethylene ether, a polyoxyethylene laurate, a polyoxyethylene lauryl ether diester, a polyoxyethylene cocoate, a polyoxyethylene stearate, a polyoxyethylene methyl stearate, a polyoxyethylene castor oil, a natural polyoxyethylene fatty alcohol oleate, a natural polyoxyethylene fatty alcohol, an polyoxyethylene oleyl alcohol, a polyoxyethylene glyceryl polyoxyethylene ether oleate, a sorbitan fatty acid ester, a polyoxyethylene sorbitol fatty acid ester, a polyoxyethylene/polyoxypropylene block polymer, a polyoxyethylene/polyoxyethylene alkyl ether, a polyoxyethylene lauryl ether, a polyoxyethylene cocoate, a polyoxyethylene stearate, a polyoxyethylene methyl stearate, one or more of propylene glycol/polyoxypropylene polymers.
Preferably, the disperse dye includes one or more of azo disperse dyes, anthraquinone disperse dyes, and heterocyclic disperse dyes.
Exemplary primary dyes of the disperse dyes include: one or more of dispersed yellow 114, dispersed yellow 118, dispersed orange 288, dispersed orange 30, dispersed red 167, dispersed red 153, dispersed blue 183, dispersed blue 60, dispersed red 145, dispersed blue 79, dispersed orange 61, dispersed blue 291, dispersed red 152, dispersed blue 291, dispersed blue 77, dispersed violet 93, dispersed blue 291:4, dispersed blue 79:1, dispersed violet 28, dispersed red 73, dispersed blue 56, dispersed red 60, dispersed blue 367, dispersed red 356, dispersed blue 148, dispersed yellow 54, and dispersed red 86.
Illustratively, one of the high-strength disperse pulp dye mixtures disclosed in the present invention may be: 35-43% of disperse dye raw dye disperse blue 79:1, 288, 291:4 and N-2R, 9-12% of auxiliary agents (including 22-35% of solvent glycerol, 30-45% of anionic surfactant dispersant NNO, methyl stearate polyoxyethylene ether sulfonate and secondary alkyl sodium sulfonate, 30-45% of nonionic surfactant oleyl alcohol polyoxyethylene ether, glycerol polyoxyethylene ether and glycerol polyoxyethylene ether oleate), and the balance of water.
Illustratively, one of the high-strength disperse pulp dye mixtures disclosed in the present invention may be: 38-42% of disperse dye raw dye disperse orange 30 in percentage by weight, 8-12% of auxiliary agent in percentage by weight (wherein the auxiliary agent comprises 28-32% of solvent dipropylene glycol monophenyl ether in percentage by weight, 35-45% of anionic surfactant lignosulfonate, cardanol polyoxyethylene ether sulfonate and diisobutyl naphthalene sodium sulfonate in percentage by weight, and 25-35% of nonionic surfactant glycerol polyoxyethylene ether in percentage by weight), and the balance of water. .
Illustratively, one of the high-strength disperse pulp dye mixtures disclosed in the present invention may be: 35-45% of disperse dye raw dye disperse blue 79, disperse orange 44 and disperse violet 93: 4, 8-12% of an auxiliary agent (comprising 20-35% of solvent glycerol, 30-45% of anionic surfactant dispersing agent MF, castor oil polyoxyethylene ether sulfate salt and alkylphenol polyoxyethylene ether sulfate salt, 30-45% of nonionic surfactant glycerol polyoxyethylene ether, lauric acid polyoxyethylene diester and natural fatty alcohol polyoxyethylene ether) by weight percentage of the auxiliary agent), and the balance of water.
Illustratively, one of the high-strength disperse pulp dye mixtures disclosed in the present invention may be: 35-40% of disperse dye raw dye disperse blue 60 by weight percent of the mixture, 9-12% of auxiliary agent by weight percent of the mixture (wherein the auxiliary agent comprises 25-30% of solvent 2-amino-2-methyl-1-propanol by weight percent of the auxiliary agent, 35-40% of anionic surfactant sodium p-methyl benzene sulfonate, deca-alcohol polyoxyethylene ether sulfate salt and methyl stearate polyoxyethylene ether sulfonate by weight percent of the auxiliary agent, 35-40% of nonionic surfactant natural fatty alcohol polyoxyethylene ether, isomeric deca-alcohol polyoxyethylene ether and polyethylene glycol by weight percent of the auxiliary agent), and the balance of water.
Illustratively, one of the high-strength disperse pulp dye mixtures disclosed in the present invention may be: 35-45% of disperse dye vat dye disperse blue 79, 44% of disperse orange and 73, 8-12% of auxiliary agent (comprising 20-35% of solvent dipropylene glycol monophenyl ether, 30-40% of anionic surfactant dispersant NNO, lignosulfonate and lauryl alcohol polyoxyethylene ether sulfate, 30-40% of nonionic surfactant polyethylene glycol, glycerol polyoxyethylene ether and natural fatty alcohol polyoxyethylene ether) and the balance of water.
Compared with the prior art, the high-strength disperse pulpy dye mixture disclosed by the invention avoids the problems that the common liquid disperse dye is low in strength and a large amount of waste gas and high COD printing and dyeing wastewater are generated in the production and use processes of the granular disperse dye. Compared with other high-strength liquid dyes, the dye has the following advantages:
(1) the types of the selected auxiliary agents are more diversified, and the types of the selectable auxiliary agents are more, including the nonionic surfactant and the anionic surfactant, so that the production requirements of different high-strength disperse dyes can be met;
(2) although the proportion of the used auxiliary agent is not much different from that of other high-strength liquid dyes, the auxiliary agent used in the invention comprises a solvent, so that higher strength can be achieved;
(3) compared with the granular dye sold in the market, the high-strength liquid dye has the same strength and is higher than other high-strength liquid dyes.
It is a further object of the present invention to provide the use of said high-strength disperse pulp dye mixtures in the manufacture of articles or textile products.
In some application scenarios, the application comprises application in dip dyeing, printing, pad dyeing process for producing fabrics, fiber products.
Furthermore, when the dip dyeing, printing and pad dyeing processes are carried out, the medium and light color fabrics and fiber products are free from washing, and the dark color fabrics and fiber products are washed with light water or reduced.
According to the technical scheme, compared with the prior art, the high-strength pulpy disperse dye mixture disclosed by the invention has the following beneficial effects:
(1) compared with the common pulp-shaped dye, the high-strength pulp-shaped disperse dye has higher strength, the utilization rate of the dye is kept consistent, and the transportation cost is reduced;
(2) compared with granular disperse dyes which are obtained by spray drying in the production process, the pulpy disperse dyes are not required to be spray dried in the production, so that the production process flow is shortened, and the generation of industrial waste gas is reduced;
(3) the high-strength pulpy disperse dye disclosed by the invention is low in auxiliary agent content and dosage, and compared with other dyes, the pulpy disperse dye is used for printing and dyeing the same fabric, less in generated wastewater and lower in COD (chemical oxygen demand), has the effects of energy conservation and emission reduction, and is more environment-friendly;
(4) according to the high-strength pulpy disperse dye, the types of the used auxiliary agents are more diversified, the types of the selectable auxiliary agents are more, and the production requirements of different high-strength pulpy disperse dyes can be met;
(5) the high-strength pulpy disperse dye has wider selected dye types and comprises azo disperse dye, anthraquinone disperse dye and heterocyclic disperse dye.
Detailed Description
The technical solutions claimed in the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a high-strength slurry disperse dye mixture and application thereof, and the high-strength slurry disperse dye mixture prepared by the invention overcomes the defects of low strength, more auxiliaries and the like in the prior art, and is particularly suitable for application in the fields of dip dyeing, printing and pad dyeing of fiber products.
In order to achieve the aim, the technical scheme of the preparation method of the high-strength pulpy disperse dye mixture is as follows:
firstly, weighing the raw materials according to the mass percentage in the scheme;
secondly, mixing the disperse dye, the dispersing agent and water according to a certain proportion to form a mixture, and performing sanding dispersion on the mixture by using sanding beads for 3-20 hours;
thirdly, sanding the particle size of each raw material to 0.1-1 micron, and filtering to obtain the high-strength pulpy disperse dye; still further, use of the above-described high-intensity pulp disperse dye mixture for dyeing fabric.
Dip dyeing:
the first step is as follows: pre-treating a fabric;
the second step is that: before adding the dye into the dye vat, adjusting the pH value in the dye vat to 4-6, diluting the high-strength dispersion liquid dye mixture with room-temperature water, and adding the diluted mixture into the dye vat within 5-10 minutes.
The third step: and selecting the same process temperature rise curve corresponding to the powdery dye according to the dark color and the light color for dyeing.
The fourth step: and (5) washing or reducing and washing according to the dark color, the light color and the requirements of customers, and then discharging the cloth.
Printing:
the first step is as follows: drying the fabric after pretreatment;
the second step is that: and (3) blending the liquid dye mixture with high strength dispersed navy blue to black and a thickening agent into the color paste to be printed.
The third step: printing, pre-drying, and drying the cloth at the temperature of 80-100 ℃.
The fourth step: baking or steaming. The baking temperature is 170-220 ℃, and the baking time is 90-120 seconds. Steaming at 180-185 deg.c for 5-8 min.
The fifth step: the medium and light color can be free from washing, stentering and drying are carried out, and the cloth is cooled and discharged; and (4) light water washing or reduction washing is suitable for the deep color, and the cloth is obtained by tentering, drying and cooling.
Pad dyeing:
the first step is as follows: drying the fabric after pretreatment;
the second step is that: and (3) blending the high-strength liquid dye mixture which is dispersed from navy blue to black with an anti-migration agent to prepare the color paste for standby.
The third step: padding the treated fabric with the color paste, performing two-time soaking and two-time rolling, wherein the rolling residual rate is 60-120 percent
The third step: pre-drying, drying the cloth at the temperature of 80-100 ℃, wherein the moisture content is about 30%.
The fourth step: baking or steaming. The baking temperature is 170-220 ℃, and the baking time is 90-120 seconds.
The fifth step: the medium and light color can be free from washing, stentering and drying are carried out, and the cloth is cooled and discharged; and (4) light water washing or reduction washing is suitable for the deep color, and the cloth is obtained by tentering, drying and cooling.
The present invention will be further specifically illustrated by the following examples for better understanding, but the present invention is not to be construed as being limited thereto, and certain insubstantial modifications and adaptations of the invention by those skilled in the art based on the foregoing disclosure are intended to be included within the scope of the invention.
Example 1
Step 1, weighing 15.7 g of disperse blue dye 291:4, 1.8 g of disperse blue dye 79:1, 6.6 g of disperse violet dye N-2R, 15.9 g of disperse orange dye 288, 3.2 g of glycerol, 2.0 g of dispersant NNO, 1.5 g of methyl stearate polyoxyethylene ether sulfonate, 0.5 g of secondary alkyl sodium sulfonate, 2.5 g of oleyl alcohol polyoxyethylene ether, 2.5 g of glycerol polyoxyethylene ether and 0.5 g of glycerol polyoxyethylene ether oleate at room temperature, adding 53.5 g of water, and quickly and uniformly pulping.
And 2, circularly grinding the slurry in a sand mill for 3-4 hours until the fineness is 300-500 nm.
And 3, filtering to obtain the high-strength slurry disperse dye.
The method of example 1 is repeated, different dye ratios are adopted, different auxiliaries and solvents are selected, and different high-strength disperse pulp dye mixtures are prepared, and the formula of each example is shown in table 1.
TABLE 1
To further verify the excellent effects of the present invention, the inventors also conducted the following use experiments:
experimental example 1
Example 1 and commercially available particulate disperse dyes were subjected to performance testing. The specific test method is as follows: 0.5 g of the granulated disperse dyes of example 1 and comparative example were weighed out in 500mL of water, respectively, to prepare a disperse dye suspension. 50mL of disperse dye suspension is sucked and mixed with 50mL of water, the pH value of a dye bath is adjusted to 5 by using acetic acid, then the temperature is raised to 60 ℃, simultaneously 5g of polyester fiber is respectively put into the dye bath for high-temperature high-pressure dyeing, the temperature is raised to 130 ℃ within 35 minutes, the temperature is kept for 45 minutes, and the sample is taken after being cooled to 80 ℃.
The color light of the cloth sample is observed, the dye intensity and the apparent depth are measured by the method specified in GB/T6688-2008, the COD of the dyeing residual liquid is measured by a chemical oxygen demand rapid measuring instrument of 5B-3V V8, and the measured data are shown in Table 2.
TABLE 2
| Name (R) | Intensity of dye% | Dyeing raffinate COD (mg/L) | Apparent depth |
| Commercially available disperse Black ECT | 300 | 970 | 11.486 |
| Common liquid black disperse dye | 150 | 1025 | 9.572 |
| Example 1 | 300 | 198 | 9.736 |
As can be seen from Table 2, the high-strength disperse pulp-like dye mixture prepared by the examples had a low chroma of dyeing residual liquid and a low COD as compared with the granular dye and the ordinary liquid dye; higher intensity compared with common liquid dyes; the apparent depth is lower than that of the granular dye and slightly higher than that of the common liquid dye, and the utilization rate is close to that of the common liquid dye; meanwhile, the fastness of the dye is compared, and the three are basically consistent.
Experimental example 2
The performance tests of examples 2 to 11 and the corresponding commercially available granular disperse dyes were carried out. The specific test method is as follows: 0.5 g of the granulated disperse dyes of the examples and the corresponding comparative examples were weighed into 500mL of water, respectively, to prepare a disperse dye suspension. 50mL of disperse dye suspension is sucked and mixed with 50mL of water, the pH value of a dye bath is adjusted to 5 by using acetic acid, then the temperature is raised to 60 ℃, simultaneously 5g of polyester fiber is respectively put into the dye bath for high-temperature high-pressure dyeing, the temperature is raised to 130 ℃ within 35 minutes, the temperature is kept for 45 minutes, and the sample is taken after being cooled to 80 ℃.
The COD of the dyeing raffinate is measured by a continuous chemical technology 5B-3V V8 rapid chemical oxygen demand measuring instrument, and the measured data is shown in Table 3.
TABLE 3
Comparing the high-strength disperse pulp dye mixture prepared in the examples 2-11 with the commercially available granular dye, it can be seen that the high-strength disperse pulp dye mixture prepared by the invention has low COD in the dyeing residual liquid under the same dyeing strength, belongs to an environment-friendly dye, and is worthy of popularization.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The method disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the description of the method part.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The high-strength disperse pulp dye mixture is characterized by comprising 28-45% of disperse dye, 6-12% of auxiliary agent and the balance of water in percentage by weight of the mixture.
2. A high strength disperse pulp dye mixture according to claim 1, wherein said auxiliary agent comprises the following components in weight percent: 20-35% of solvent, 20-50% of anionic surfactant and 25-50% of nonionic surfactant.
3. A high strength disperse pulp dye mixture according to claim 2, wherein said solvent comprises one or more of methanol, ethanol, ethylene glycol, diethylene glycol, propylene glycol, glycerin, ethylene glycol phenyl ether, diethylene glycol monophenyl ether, propylene glycol phenyl ether, dipropylene glycol monophenyl ether, benzyl alcohol, anisole, diethylene glycol, triethylene glycol, diethylene glycol monobutyl ether, 2-amino-2-methyl-1-propanol, dimethyl sulfoxide, N-dimethylformamide, N-dimethylacetamide.
4. The high-strength disperse slurry dye mixture according to claim 2, wherein the anionic surfactant comprises lignosulfonate, a dispersant MF, a dispersant NNO, sodium p-nitrobenzenesulfonate, p-nitrobenzenesulfonic acid, sodium m-nitrobenzenesulfonate, m-nitrobenzenesulfonic acid, sodium p-methylbenzenesulfonate, sodium m-methylbenzenesulfonate, cardanol polyoxyethylene ether sulfonate, cardanol polyoxyethylene ether sulfate, cardanol polyoxyethylene ether phosphate, deca alcohol polyoxyethylene ether sulfate, deca alcohol polyoxyethylene ether sulfonate, deca alcohol polyoxyethylene ether phosphate, dodeca alcohol polyoxyethylene ether sulfate, dodeca alcohol polyoxyethylene ether sulfonate, diisobutylnaphthalene sodium, castor oil polyoxyethylene ether sulfate, sodium lauryl ether sulfate, sodium, Castor oil polyoxyethylene ether sulfonate, alkylphenol polyoxyethylene ether sulfate, alkylphenol polyoxyethylene ether sulfonate, alkylphenol polyoxyethylene ether phosphate, coconut oil fatty acyl glycol amine phosphate, disodium lauryl sulfosuccinate, disodium fatty alcohol polyoxyethylene ether sulfosuccinate, disodium coconut monoethanolamide sulfosuccinate, methyl stearate polyoxyethylene ether sulfonate, secondary alkyl sodium sulfonate, sodium sulfosuccinate monoester salt, sodium sulfosuccinate diester salt, sodium succinamide sulfonate, sodium dodecyl benzene sulfonate and ammonium dodecyl benzene sulfonate.
5. The high-strength disperse pulp dye mixture according to claim 2, wherein the nonionic surfactant comprises polyoxyethylene decacarbonate, isomeric polyoxyethylene decacarbonate, polyoxyethylene dodecacarbonate, polyoxyethylene dodecylbenzyl alcohol, polyethylene glycol dioleate, polypropylene glycol, polyoxyethylene cardanol, coconut oil fatty diethanol amide, tallow/fatty amine polyoxyethylene ether, polyoxyethylene laurate, polyoxyethylene lauryl ether diester, polyoxyethylene cocoate, polyoxyethylene stearate, polyoxyethylene methyl stearate, polyoxyethylene castor oil, polyoxyethylene natural fatty alcohol oleate, polyoxyethylene natural fatty alcohol, polyoxyethylene oleyl alcohol, polyoxyethylene glyceryl ether oleate, polyoxyethylene glyceryl oleate, polyoxyethylene lauryl ether, polyoxyethylene glyceryl ether, polyoxyethylene lauryl ether oleate, polyoxyethylene lauryl ether, polyoxyethylene lauryl alcohol, and polyoxyethylene lauryl alcohol, One or more of sorbitan fatty acid ester, polyoxyethylene sorbitol fatty acid ester, polyoxyethylene/polyoxypropylene block polymer, and propylene glycol/polyoxypropylene polymer.
6. The high-strength disperse pulp dye mixture according to claim 1, wherein the disperse dye comprises one or more of azo disperse dyes, anthraquinone disperse dyes and heterocyclic disperse dyes.
7. The use of the high-strength disperse pulp dye mixture according to any one of claims 1 to 6 in the production of fabrics and fiber products, wherein the use of the high-strength disperse pulp dye mixture in the production of fabrics and fiber products is included in the use of dip dyeing, printing and pad dyeing processes.
8. The use of a high-strength disperse pulp dye mixture according to claim 7, wherein the dip dyeing, printing and pad dyeing process is carried out without washing the medium-light color fabrics and fiber products, and the light washing or reduction washing is carried out on the dark color fabrics and fiber products.
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| CN111849200A (en) * | 2020-07-14 | 2020-10-30 | 浙江博澳新材料股份有限公司 | 250% -360% strength disperse turquoise blue dye and preparation method thereof |
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| CN113846494A (en) * | 2021-11-10 | 2021-12-28 | 安徽工程大学 | Method for improving dyeing reproducibility of textile and special dispersing agent for dyeing liquor |
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