CN115012235A - Efficient salt-resistant low-foam dispersion leveling agent and application thereof - Google Patents
Efficient salt-resistant low-foam dispersion leveling agent and application thereof Download PDFInfo
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- D06P1/653—Nitrogen-free carboxylic acids or their salts
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- D06P3/34—Material containing ester groups
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Abstract
The application relates to the field of textile printing and dyeing auxiliaries, and particularly discloses a high-efficiency salt-resistant low-foam dispersing leveling agent and application thereof. The efficient salt-resistant low-foam dispersing leveling agent comprises the following components in parts by weight: 15-25 parts of fatty alcohol-polyoxyethylene ether ester compound, 2-5 parts of composite high-efficiency dispersing agent, 5-10 parts of anionic emulsifier, 2-4 parts of liquid alkali, 0.04-0.1 part of defoaming agent, and water for supplementing to 100 parts. The efficient salt-resistant low-foam dispersing leveling agent can be used for dyeing polyester-containing fabrics, has the advantages of salt resistance, environmental protection, low foam and high dispersibility, and is widely applicable to dyeing of various polyester fabrics and polyester blended fabrics.
Description
Technical Field
The application relates to the technical field of textile printing and dyeing auxiliaries, in particular to a high-efficiency salt-resistant low-foam dispersing leveling agent and application thereof.
Background
The terylene fabric is one of textile fabrics widely used at present, has strong elastic recovery capacity, is very wear-resistant, has high drying speed after washing, hardly reduces wet strength, does not deform, has very stable chemical performance, not only has good heat resistance and light resistance, but also has good corrosion resistance, has small damage degree to the terylene fabric by acid and alkali, and is not afraid of mould and worm damage.
Because the polyester fabric belongs to hydrophobic fibers, the structure of the polyester fabric is extremely compact, and the polyester fabric is difficult to color at normal temperature, and the dyeing method mainly comprises three methods: a hot melt method, a carrier method and a high temperature and high pressure method, wherein the most common method is the high temperature and high pressure dyeing method. In the process of high-temperature dyeing of the polyester fiber, due to the influence of the characteristics of the fiber and the dispersibility of the disperse dye, uneven dyeing phenomena such as color points, color spots and the like are often generated, so that the dyeing quality is influenced, and in order to overcome the problem, the addition of a leveling agent is the most convenient method.
At present, the textile printing and dyeing industry is an industrial wastewater discharge consumer, which accounts for about 35% of the whole industrial wastewater discharge, and the discharged sewage can be reused for dyeing and finishing processing after being treated by a series of physical, chemical and biological methods in a dye factory. Although the reuse water is subjected to a series of treatments, the problems of chromaticity, turbidity, metal ions and the like still exist, wherein a large amount of calcium/magnesium ions, neutral electrolyte and cationic substances exist in the reuse water, so that the dispersion stability of the disperse dye is reduced, the disperse dye cannot be desorbed from dyed cloth and can not be used for dyeing white cloth again, the migration property is poor, and the traditional AB material dyeing leveling agent has good salt resistance and good defoaming property, but has a common effect when being used for special fabrics (superfine denier fibers); the dodecyl benzene sulfonate compound high-temperature leveling agent has good permeability and good slow-dyeing property, but has large foam amount in the application process and is easy to block a cylinder; the salt tolerance of related series of nonionic products such as peregal and the like cannot meet the requirement.
Aiming at the related technologies, the inventor finds that the common polyester levelling agent cannot solve the dyeing problem caused by reuse water, generates more foams when in use, is easy to block a cylinder, and has poor salt resistance and poor dye transfer rate.
Disclosure of Invention
In order to improve the salt resistance and the defoaming effect of the leveling agent and improve the dispersibility and the dye transfer rate of the dye, the application provides the high-efficiency salt-resistant low-foam dispersing leveling agent and the application thereof.
In a first aspect, the application provides a high-efficiency salt-tolerant low-foam dispersing leveling agent, which adopts the following technical scheme: a high-efficiency salt-resistant low-foam dispersing leveling agent comprises the following components in parts by weight: 15-25 parts of fatty alcohol-polyoxyethylene ether ester compound, 2-5 parts of composite high-efficiency dispersing agent, 5-10 parts of anionic emulsifier, 2-4 parts of liquid alkali, 0.04-0.1 part of defoaming agent and the balance of water to 100 parts.
By adopting the technical scheme, the leveling agent prepared according to the formula has more outstanding salt resistance and dispersity than common leveling agents sold in markets, and on the basis, indexes such as slow-dyeing property, migration property, decolorization property and defoaming property are very outstanding, so that the one-time success rate of printing and dyeing enterprises can be greatly improved, the cost is greatly reduced, and the problem that one formula is suitable for working conditions of multiple devices is solved.
Optionally, the fatty alcohol-polyoxyethylene ether ester compound is a diester compound of fatty alcohol-polyoxyethylene ether and cyclohexane-1, 2-dicarboxylic acid.
By adopting the technical scheme, the diester compound formed by esterifying the fatty alcohol-polyoxyethylene ether and the cyclohexane-1, 2-dicarboxylic acid is cyclohexane-1, 2-dicarboxylic acid di-fatty alcohol-polyoxyethylene ester, the structural formula of the diester compound is shown as a formula I, the diester compound belongs to an aliphatic dicarboxylic acid plasticizer, is environment-friendly and non-toxic, and has a good level dyeing effect, and meanwhile, as the diester compound contains polyoxyethylene ether linkage, the surfactant with the plasticizing effect belongs to a hydrophilic system, can be effectively dissolved in water, has a certain degree of salt resistance, can not cause the reduction of the level dyeing property due to the influence of calcium/magnesium ions, neutral electrolytes and cationic substances in recycled water, does not need a large amount of emulsifying agents for emulsification use, has a wide application range and good working condition applicability; although the monoester compound of fatty alcohol-polyoxyethylene ether and cyclohexane-1, 2-dicarboxylic acid has certain effect, the monoester compound is an anionic surfactant, although the monoester compound has salt resistance, the affinity with fiber is reduced, and the nonionic effect and the migration property are lost, so that the diester compound meets the current demand.
By adopting the technical scheme, the fatty alcohol-polyoxyethylene ether is prepared from the fatty alcohol with the carbon chain length of 16-18 and the ethylene oxide, so that the plasticizing and fiber-philic effects are reflected, and the salt-resistant and dispersing effects are improved.
Optionally, the composite high-efficiency dispersant comprises a Pasteur dispersant CP72L and a Pasteur dispersant CP9 in a mass ratio of (0.3-0.5): 1.
By adopting the technical scheme, the BASF dispersant CP72L is a comb-shaped high molecular compound, is applied to the dispersed macromolecular dye industry, has excellent dispersing performance, the BASF dispersant CP9 is a copolymer sodium salt of acrylic acid and maleic acid, can effectively chelate heavy metal ions in water, and plays a role in softening water quality, and the compounding of the BASF dispersant CP72L and the BASF dispersant CP9 is a combination with excellent compatibility discovered through BASF research, can play a role in synergistic dispersed dye, and can be used as a special leveling agent.
Optionally, the anionic emulsifier comprises pentadecyl alkylbenzene sulfonic acid and m-pentadecyl alkylbenzene sulfonic acid in a mass ratio of 1 (1.5-2).
By adopting the technical scheme, the anionic emulsifier is produced by Changzhou alkali-resistant, is obtained by processing environment-friendly plant-based extract pentadecylphenol, has more environment-friendly characteristic than the conventional dodecylbenzene sulfonic acid, has better emulsifying dispersibility than secondary alkyl sodium sulfonate and AES, and can further improve the alkali resistance of the system after being added so as to meet the requirement of salt-resistant dyeing of blended fabrics.
Optionally, the defoamer is a polyether defoamer.
By adopting the technical scheme, the polyether type defoaming agent does not contain organic silicon components, the phenomenon of demulsification and precipitation of the organic silicon type defoaming agent under various working conditions can be effectively avoided, and defects on the surface of the dyed cloth after final condensation are prevented.
Optionally, the leveling agent also contains an antibacterial agent, and the dosage of the antibacterial agent is 0.5-1 part.
The commercial leveling agent does not have the antibacterial effect of the polyester fabric, various auxiliaries and finishing agents can provide nutrient substances for microorganisms in the dyeing and finishing process of the polyester fabric, and when the temperature and the humidity are suitable for growth, the microorganisms grow and propagate on the textile in a large amount, so that the health of people is threatened.
Optionally, the antibacterial agent comprises the following components in parts by weight: 0.3-0.5 part of low molecular weight chitosan, 0.5-1.25 parts of PMMA-loaded nano silver and 1-1.5 parts of acetic acid solution.
According to the technical scheme, the low-molecular-weight chitosan has adsorption capacity and can form a film with a stable structure on a polyester plant, so that the hydrophilicity of the polyester fabric is improved, a large number of reactive groups are given to the polyester plant, the PMMA-loaded nano silver is a compound with PMMA as a shell and nano silver particles as a core, and hydrogen bonds can be formed between hydroxyl, amino and-NH-in the PMMA and the low-molecular-weight chitosan, so that the PMMA-loaded nano silver is grafted on the polyester fabric through the low-molecular-weight chitosan, and the antibacterial washfastness and the antibacterial durability of the antibacterial agent are improved.
Preferably, the preparation method of the PMMA-supported nano silver comprises the following steps: mixing MMA monomer, AIBN initiator and nano silver particles, carrying out ultrasonic dispersion for 5-10min, heating to 90-95 ℃, carrying out heat preservation and ultrasonic dispersion for 3-3.5h, carrying out vacuum drying, grinding and ball milling until the particle size is 20-200 mu m, wherein the mass ratio of the MMA monomer, the ABN initiator and the nano silver particles is 1:0.02-0.03: 0.2-0.5.
By adopting the technical scheme, the PMMA-carried nano silver is prepared by ultrasonic polymerization, the thermal stability of PMMA is high, the PMMA-carried nano silver does not lose the antibacterial effect due to high temperature when high-temperature and high-pressure dyeing is carried out, and PMMA presents better hydrophobicity, so that the polyester fabric treated by the antibacterial agent has better soaping resistance, good antibacterial fastness and lasting antibacterial property.
Preferably, the preparation method of the antibacterial agent comprises the following steps: adding glacial acetic acid aqueous solution into chitosan, ultrasonically oscillating at normal temperature, adding hydrogen peroxide, stirring for 2h, adjusting pH to 8, washing, drying to obtain low molecular weight chitosan, and mixing low molecular weight chitosan, PMMA-loaded nano silver and 50% acetic acid aqueous solution uniformly to obtain the antibacterial agent.
By adopting the technical scheme, the chitosan is a natural polymer material with various good performances, the hydrogen peroxide is a binary acid with strong oxidizing property, the hydrogen peroxide is used as an oxidant to degrade the chitosan, so that C-O-C is broken, the known low-molecular-weight chitosan can be obtained, the original structure of the chitosan can not be influenced, the low-molecular-weight chitosan still has alcoholic hydroxyl groups and can not be oxidized into carboxyl groups, the low-molecular-weight chitosan can enable the polyester fabric to have reactive groups, and therefore, the polyester fabric can be grafted with PMMA (polymethyl methacrylate) loaded with nano silver, and the antibacterial durability of the polyester fabric is improved.
In a second aspect, the application provides an application of a high-efficiency salt-resistant low-foam dispersing and leveling agent in dyeing of polyester-containing fabrics.
In summary, the present application has the following beneficial effects:
1. because the leveling agent is prepared from the fatty alcohol-polyoxyethylene ether ester compound, the composite efficient dispersant and other components, the dye has excellent dispersibility, the dye in a dye bath cannot be coagulated, the dye has excellent dye transfer performance, low foam and strong electrolyte resistance, and the leveling agent is suitable for different working conditions and meets the automatic mechanization.
2. In the application, a compound of the BASF dispersant CP72L and the BASF dispersant CP9 is preferably used as the high-efficiency composite dispersant, the BASF dispersant CP72L has better dispersing performance, the BASF dispersant CP9 has the functions of chelating heavy metal ions and softening water quality, and the cooperation of the two components can play the roles of plasticizing and dispersing dye and improving the level dyeing effect.
3. The antibacterial agent is preferably prepared from components such as low-molecular-weight chitosan and PMMA-loaded nano silver, the low-molecular-weight chitosan can endow a fabric with a reaction group, so that PMMA-loaded nano silver is grafted on the fabric, the antibacterial durability of the fabric is improved, and the PMMA-loaded nano silver can endow the fabric with hydrophobicity, so that the fabric still has good antibacterial property after being washed for multiple times.
Detailed Description
Preparation examples 1 to 3 of PMMA carrying nano silver
Preparation example 1: mixing an MMA monomer, an AIBN initiator and nano-silver particles, carrying out ultrasonic dispersion for 5min, heating to 90 ℃, carrying out heat preservation and ultrasonic dispersion for 3.5h, carrying out vacuum drying for 4h at 90 ℃, crushing, and carrying out ball milling until the particle size is 20 mu m, wherein the mass ratio of the MMA monomer to the ABN initiator to the nano-silver particles is 1:0.02:0.2, and the nano-silver particles are prepared by the following method: cleaning aloe leaves, juicing, adding deionized water with the mass of 3 times of the aloe leaves, heating to boil, cooling, filtering to obtain aloe water extract, mixing the aloe water extract and silver ammonia solution, fully reacting for 24 hours at normal temperature, filtering, and vacuum drying to obtain nano silver particles, wherein the mass ratio of the aloe water extract to the silver ammonia solution is 3.7: 1.
Preparation example 2: mixing an MMA monomer, an AIBN initiator and nano-silver particles, ultrasonically dispersing for 10min, heating to 95 ℃, preserving heat, ultrasonically dispersing for 3h, vacuum drying for 4h at 90 ℃, grinding, and ball-milling until the particle size is 200 mu m, wherein the mass ratio of the MMA monomer to the ABN initiator to the nano-silver particles is 1:0.03:0.5, and the nano-silver particles are prepared by the following method: cleaning and juicing aloe leaves, adding deionized water with the mass being 3 times that of the aloe leaves, heating to boil, cooling, filtering to obtain aloe water extract, mixing the aloe water extract with silver ammonia solution, fully reacting for 24 hours at normal temperature, filtering, and drying in vacuum to obtain nano silver particles, wherein the mass ratio of the aloe water extract to the silver ammonia solution is 3.7: 1.
Preparation example 3: the difference from preparation example 2 is that the nano silver particles are commercially available.
Examples
In the examples, the sources of the raw materials are as follows: the polyether type defoaming agent is selected from Wingda Deladmitai, the model is TEGO anti foam d-2315, and the organic silicon defoaming agent is GB-123; the anionic emulsifier is selected from the group consisting of conventional antibiotic resistant biomaterials technologies, Inc., cat # NSY.
Example 1: the high-efficiency salt-tolerant low-foam dispersing leveling agent comprises the following raw materials, wherein the consumption of the raw materials is shown in Table 1, the mass concentration of liquid alkali is 32%, the defoaming agent is a polyether-type defoaming agent, the anionic emulsifier comprises pentadecyl alkylbenzene sulfonic acid and m-pentadecyl alkylbenzene sulfonic acid in a mass ratio of 1:2, the composite high-efficiency dispersing agent comprises CP27L and Pasteur dispersing agent CP9 in a mass ratio of 0.5:1, the fatty alcohol polyoxyethylene ether ester compound is a diester compound prepared by esterifying fatty alcohol polyoxyethylene ether and cyclohexane-1, 2-dicarboxylic acid under the catalysis of concentrated sulfuric acid at the temperature of 120 ℃ in vacuum, the diester compound is cyclohexane-1, 2-dicarboxylic acid di-fatty alcohol polyoxyethylene ester, the structural formula is shown in a formula I, the molar consumption ratio of the fatty alcohol polyoxyethylene ether to the cyclohexane-1, 2-dicarboxylic acid is 1:2.1, the mass of the concentrated sulfuric acid is 0.1% of the mass of the fatty alcohol polyoxyethylene ether, the fatty alcohol-polyoxyethylene ether is prepared by the addition reaction of fatty alcohol with a carbon chain length of C16 and ethylene oxide under the catalysis of a sodium hydroxide aqueous solution with the mass concentration of 50%, wherein the carbon chain length of the fatty alcohol-polyoxyethylene ether is 18.
Example 4: the high-efficiency salt-tolerant low-foam dispersing leveling agent is different from the embodiment 1 in that the composite high-efficiency dispersing agent comprises a basf dispersing agent CP72L and a basf dispersing agent CP9 in a mass ratio of 0.3: 1.
Example 5: the efficient salt-tolerant low-foam dispersing leveling agent is different from the embodiment 1 in that the anionic emulsifier comprises pentadecyl alkylbenzene sulfonic acid and metapentadecyl alkylbenzene sulfonic acid with the mass ratio of 1: 1.5.
Example 6: the difference between the high-efficiency salt-resistant low-foam dispersing leveling agent and the composite high-efficiency dispersing agent in the example 1 is that the same amount of a basf dispersing agent CP72L is used for replacing a basf dispersing agent CP 9.
Example 7: the difference between the high-efficiency salt-resistant low-foam dispersing leveling agent and the embodiment 1 is that in the composite high-efficiency dispersing agent, an equivalent amount of BASF dispersing agent CP9 is used to replace CP 27L.
Example 8: a high-efficiency salt-resistant low-foam dispersing leveling agent, which is different from the embodiment 1 in that a polyether defoaming agent is replaced by an equal amount of an organic silicon defoaming agent.
Example 9: the difference between the efficient salt-tolerant low-foam dispersing leveling agent and the embodiment 1 is that the fatty alcohol-polyoxyethylene ether ester compound is a monoester compound formed by esterifying fatty alcohol-polyoxyethylene ether and cyclohexane-1, 2-dicarboxylic acid, and the structural formula of the monoester compound is shown as a formula II.
Example 11: the difference between the efficient salt-resistant low-foam dispersing leveling agent and the embodiment 1 is that an antibacterial agent is added into the raw materials, the dosage of the antibacterial agent is 1kg, the dosage of water is reduced by 1kg, and the antibacterial agent is a commercially available MS-K012 quaternary ammonium salt antibacterial agent.
Example 12: the difference between the efficient salt-tolerant low-foam dispersing leveling agent and the embodiment 1 is that an antibacterial agent is added into the raw materials, the dosage of the antibacterial agent is 1kg, the dosage of water is reduced by 1kg, and the preparation method of the antibacterial agent comprises the following steps: adding 0.2kg of chitosan into 1.5% glacial acetic acid aqueous solution, carrying out ultrasonic oscillation at normal temperature, adding 0.1kg of hydrogen peroxide, stirring for 2h at 60 ℃, adjusting the pH value to 8, washing and drying to obtain the low-molecular-weight chitosan, and mixing 0.3kg of low-molecular-weight chitosan, 0.5kg of PMMA-loaded nano silver and 1kg of 50% acetic acid aqueous solution to prepare the antibacterial agent, wherein the PMMA-loaded nano silver is prepared by the preparation example 1.
Example 13: the difference between the efficient salt-resistant low-foam dispersing leveling agent and the embodiment 1 is that an antibacterial agent is added into the raw materials, the dosage of the antibacterial agent is 1kg, the dosage of water is reduced by 1kg, and the preparation method of the antibacterial agent comprises the following steps: adding 0.2kg of chitosan into 1.5% glacial acetic acid aqueous solution, carrying out ultrasonic oscillation at normal temperature, adding 0.1kg of hydrogen peroxide, stirring for 2h at 60 ℃, adjusting the pH value to 8, washing and drying to obtain the low-molecular-weight chitosan, and uniformly mixing 0.5kg of low-molecular-weight chitosan, 1.25kg of PMMA-loaded nano silver and 1.5kg of 50% acetic acid aqueous solution to obtain the antibacterial agent, wherein the PMMA-loaded nano silver is prepared by the preparation example 2.
Example 14: a high-efficiency salt-resistant low-foam dispersing leveling agent, which is different from the example 13 in that an antibacterial agent is prepared from the preparation example 3.
Example 15: a high-efficiency salt-resistant low-foam dispersing leveling agent, which is different from the embodiment 13 in that low-molecular-weight chitosan is not added.
Comparative example
Comparative example 1: the difference between the efficient salt-resistant low-foam dispersing leveling agent and the embodiment 1 is that no composite efficient dispersing agent is added.
Comparative example 2: the high-efficiency salt-resistant low-foam dispersing leveling agent is different from the high-efficiency salt-resistant low-foam dispersing leveling agent in example 1 in that no defoaming agent is added.
Comparative example 3: selecting an AB leveling agent in the chemical industry of Huangjiang.
Comparative example 4: sodium lauryl sulfate was chosen.
Comparative example 5: selecting chemical Hepiajia O from Huangma of Zhejiang.
Comparative example 6: a high-temperature leveling agent for terylene and blended fabrics thereof comprises the following components in parts by weight: 15 parts of glycerol ether oleate, 10 parts of tartaric acid, 10 parts of fatty amine polyoxyethylene ether, 18 parts of lanolin, 5 parts of di-tert-butyl hydroxybenzoate, 5 parts of polyvinylpyrrolidone, 2 parts of thickening agent, 5 parts of surfactant, 1 part of dispersing agent and 60 parts of water, wherein the dispersing agent is vinyl bis-stearamide, the thickening agent is hydroxypropyl methyl cellulose, and the surfactant is stearate.
Performance test
The leveling agents were prepared according to the methods in examples and comparative examples, and the performance of the leveling agents was examined with reference to the following methods:
1. foam performance: the leveling agent prepared in each example and comparative example was prepared into a test solution with a concentration of 5g/L and tested at room temperature (26 ℃), the test solution was injected from the bottom of the Roche foam tester into a syringe to a level above the 50mL mark, the stopcock of the graduated tube was closed and left to stand for 5min, the stopwatch was immediately started and the initial foam height (the average height between the foam edge and the apex) was read when the test solution in the dropper was run out, the data was continuously read within 1min, the tube wall was washed with the test solution before the test, and the test results were recorded in Table 2.
2. Migration property: dyeing the polyester fabric by using disperse scarlet (S-2G ruby 1.0% owf, GS scarlet 2.0% owf and FB red 0.65% owf) and disperse dark blue (100% S-2G dark blue 2.3% owf, 165% S-2G ruby 0.6% owf and 200% S-2R orange 1.0% owf), sewing together the disperse scarlet and the white cloth as a cloth for transfer dyeing, adding 1G/L of the leveling agent prepared in the embodiment or the comparative example, 1G/L of glacial acetic acid, keeping the bath ratio at 1:10, not adding the leveling agent as a blank group, heating to 130 ℃ at the heating rate of 3 ℃/min, keeping the temperature for 40min, cooling to 60 ℃ at the speed of 3 ℃/min, taking out, washing and drying, calculating the transfer dyeing rate according to the following formula according to the measurement test of the disperse dye transfer dyeing property of GB/T10663-2014, and then calculating the transfer dyeing rate of the white cloth as the K/S value of the white cloth after transfer dyeing, the apparent Color depth K/S value of the fabric was measured using a Color-Eye 7000A type spectrophotometer, and the test results are recorded in Table 2.
3. Retarding property: taking 5g of polyester fabric, adopting 2.0 percent (owf) of dye SGL turquoise blue, 1g/L of leveling agent and 1g/L of glacial acetic acid prepared in each embodiment or comparative example, not adding the leveling agent as a blank group, heating to 80 ℃ at the heating rate of 2 ℃/min under the condition that the bath ratio is 1:10, then heating to 110 ℃ at the heating rate of 1 ℃/min, keeping the temperature for 10min, finally cooling to 60 ℃ at 3 ℃/min, taking out, washing and drying, measuring the apparent Color depth K/S value of the fabric by using a Color-Eye 7000A type spectrophotometer, and recording the test result in Table 2.
4. High-temperature dispersibility: preparing dye liquor with the concentration of 0.5g/L by using S-5BL ruby, adding 1g/L of leveling agent in each embodiment or comparative example to prepare 100mL of working solution, adjusting the pH value to 5-5.5 by using glacial acetic acid, taking no leveling agent as a blank group, heating to 130 ℃ at the heating rate of 3 ℃/min, preserving the temperature for 40min, cooling to 90 ℃ at the speed of 3 ℃/min, performing suction filtration by using two layers of medium-speed filter paper, then airing the filter paper, observing the dye liquor diffusion or particulate matter deposition phenomenon on the surface of the upper layer of filter paper, grading, and grading 5-no dye particle agglomeration; grade 4-micro dye particle agglomeration; grade 3-agglomeration of dye-bearing particles; level 2-agglomeration of the dye particles is more evident; level 1-dye particle agglomeration was very evident and the test results are reported in table 2.
6. Salt-resistant stability: taking water back from a typical factory of Shaoxing 2 to perform a test, wherein indexes of the recycled water are shown in a table 3, taking 2 kinds of recycled water and tap water as water for detecting the dye transfer rate, dyeing polyester fabrics by using disperse scarlet (S-2G ruby 1.0% owf, GS scarlet 2.0% owf and FB red 0.65% owf) and disperse navy blue (100% S-2G navy blue 2.3% owf, 165% S-2G ruby 0.6% owf and 200% S-2R orange 1.0% owf) as cloth for dye transfer, sewing the cloth for dye transfer test with white cloth as a material, adding a leveling agent prepared in an example or a comparative example, 1G/L of glacial acetic acid, 1G/L, a bath ratio of 1:10, raising the temperature to 130 ℃ at a temperature raising rate of 3 ℃/min, keeping the temperature for 40min, lowering the temperature to 60 ℃ at a rate of 3 ℃/min, taking out the water and drying the water, and measuring the dye transfer rate according to GB/T10663-2014 disperse dye transfer test, the migration rate, which is the K/S value of white cloth after migration/the K/S value of colored cloth after migration, was calculated according to the following formula, the apparent Color depth K/S value of the fabric was measured using a Color-Eye 7000A type spectrophotometer, and the test results were recorded in table 4.
7. Antibacterial durability of polyester fabric: preparing dye liquor with the concentration of 0.5g/L by adopting S-5BL ruby, adding 1g/L of leveling agent in each embodiment or comparative example to prepare 100mL of working solution, adjusting the pH value to 5-5.5 by glacial acetic acid, heating to 130 ℃ at the heating rate of 3 ℃/min, preserving heat for 30min, washing and drying, performing antibacterial effect tests on staphylococcus aureus (ATCC6538), escherichia coli (ATCC8099) and candida albicans (ACTT10231) by referring to an oscillation method in FZ/T73023-2006 antibacterial knitwear, then soaping, detecting the antibacterial effect when soaping for 50 times and 100 times, and recording the detection result in Table 5.
TABLE 2 results of tests on defoaming, transfer dyeing, slow dyeing and high temperature dispersibility of leveling agents
It can be seen from the data in table 1 that the high-efficiency salt-resistant low-foam dispersing leveling agent prepared in examples 1 to 5 is not easy to generate foam, has good defoaming performance, high dye transfer rate, good color repairing effect and strong dyeing retarding capability, is beneficial to improving the quality of a dyed cloth surface, has good high-temperature dispersibility, can reduce the risk of dye agglomeration, can keep the stability of a dye bath, avoids the occurrence of a stain problem and prevents color cross-color.
In example 6 and example 7, compared with example 1, the composite high-efficiency dispersant is not added with the BASF dispersant CP9 and the BASF dispersant CP72L, respectively, and the comparison of the data in Table 2 shows that the leveling agents prepared in example 6 and example 7 have reduced defoaming effect and poor dye transfer rate and slow dye rate.
In example 8, an equal amount of silicone defoamer was used instead of polyether defoamer, and the leveling agent prepared in example 8 had more foam and poorer defoaming effect during dyeing than in example 1.
In example 9, the monoester compound formed by esterifying fatty alcohol-polyoxyethylene ether and cyclohexane-1, 2-dicarboxylic acid is used instead of the diester compound, and compared with example 1, the dye transfer effect of the leveling agent prepared in example 9 is remarkably reduced.
In comparative example 1, the composite high-efficiency dispersant is not added, and compared with example 1, the results of the dye transfer rate, the slow-dyeing property and the like obtained by the test are poorer than those of example 1, and the level dyeing effect is reduced.
Compared with the embodiment 1, the comparative example 2 has the advantages that no polyether type defoaming agent is added, the defoaming effect of the leveling agent is obviously reduced, more foams are generated, and the cylinder is easily blocked.
Comparative examples 3-5 are commercially available leveling agents, the leveling agent of comparative example 3 has a small dye transfer rate and a poor dye retarding effect, and the leveling agents of comparative example 4 and comparative example 5 have more foams and poor defoaming effect and have poor dye transfer and dye retarding effects.
Comparative example 6 is a leveling agent disclosed in the prior art, and compared with example 1, the leveling agent has poor defoaming effect, poor dyeing retarding capability and 4-grade high-temperature dispersibility.
TABLE 3 index of reuse water
Table 4 salt stability test results of leveling agents
Combining examples 1-5 and table 4, it can be seen that the leveling agents prepared in examples 1-5 have better migration property, improve the migration property of the dye, and can desorb and re-dye the dye in the deep part.
In example 6 and example 7, compared with example 1, the composite high-efficiency dispersant is not added with the BASF dispersant CP9 and the BASF dispersant CP72L, the dye-transfer rates of the leveling agents prepared in examples 6 and 7 are poorer than those of example 1 under the condition of tap water, the dye-transfer rates of examples 6 and 7 are lower under the condition of reuse water 1 and reuse water 2, and the salt resistance of the leveling agent is reduced without adding the BASF dispersant CP9 or the BASF dispersant CP 72L.
In example 8, the same amount of silicone defoamer was used in place of the polyether defoamer, and the dye transfer rates were not very different between tap water and reuse water.
In example 9, the monoester compound formed by esterifying fatty alcohol-polyoxyethylene ether and cyclohexane-1, 2-dicarboxylic acid is used instead of the diester compound, the transfer dyeing performance of the monoester compound under the condition of tap water is poor, the transfer dyeing rate is further reduced after reuse water is used, and the salt resistance is poor.
Compared with the example 1, the composite high-efficiency dispersing agent and the polyether type defoaming agent are not added in the comparative examples 1 and 2 respectively, the dye transfer rate of the comparative examples 1 and 2 under the condition of tap water is lower than that of the example 1, the dye transfer rate under the condition of reuse water is further reduced, and the dye transfer effect is weakened.
Comparative examples 3 to 5 are commercially available leveling agents, which have a lower dye transfer rate under tap water conditions than example 1, and have a lower dye transfer rate under reuse water conditions than under tap water conditions, indicating poor salt stability.
Comparative example 6 is a leveling agent disclosed in the prior art, which has a better dye transfer rate under tap water conditions than under reuse water conditions, and has a significantly reduced dye transfer rate and poor salt tolerance under reuse water conditions.
TABLE 5 influence of leveling agent on antibacterial property of polyester fabric
In the embodiment 1 and the comparative example 6, no antibacterial substance is added, and the prepared polyester fabric has no antibacterial effect; in examples 10 and 11, the commercial antibacterial agents were used, but the initial antibacterial rate was high, but the antibacterial rate was reduced after soaping, and the antibacterial effect was not long-lasting.
In examples 12 and 13, the antibacterial agent made of low molecular weight chitosan, PMMA carrying nano silver and the like is added, the initial bacteriostasis rate of the dyed polyester fabric is higher than that of example 11, the bacteriostasis rate is not obviously reduced after soaping, and the bacteriostasis rate still reaches more than 90% after 100 times of soaping.
The difference between example 14 and example 13 is that the PMMA prepared in preparation example 3 is used as an antibacterial agent to carry nano silver, and table 5 shows that after the leveling agent prepared in example 14 is used for dyeing, although the initial bacteriostasis rate of the prepared polyester fabric is high, the bacteriostasis rate is remarkably reduced after soaping, and the antibacterial durability is reduced.
Compared with the example 13, the antibacterial agent of the example 15 is not added with the low molecular weight chitosan, the leveling agent prepared in the example 15 is used for dyeing the polyester fabric, the initial antibacterial rate of the polyester fabric is lower than that of the example 13, and the antibacterial rate is obviously reduced after soaping.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. The efficient salt-resistant low-foam dispersing leveling agent is characterized by comprising the following components in parts by weight: 15-25 parts of fatty alcohol-polyoxyethylene ether ester compound, 2-5 parts of composite high-efficiency dispersing agent, 5-10 parts of anionic emulsifier, 2-4 parts of liquid alkali, 0.04-0.1 part of defoaming agent and the balance of water to 100 parts.
2. The high-efficiency salt-tolerant low-foam dispersing leveling agent according to claim 1, wherein: the fatty alcohol-polyoxyethylene ether ester compound is a diester compound of fatty alcohol-polyoxyethylene ether and cyclohexane-1, 2-dicarboxylic acid.
3. The efficient salt-tolerant low-foam dispersing and leveling agent according to claim 2, wherein the fatty alcohol-polyoxyethylene ether is an adduct of a fatty alcohol with a carbon chain length of C16-18 and ethylene oxide.
4. The high-efficiency salt-tolerant low-foam dispersion leveling agent according to claim 1, wherein the composite high-efficiency dispersant comprises a basf dispersant CP72L and a basf dispersant CP9 in a mass ratio of (0.3-0.5): 1.
5. The high-efficiency salt-tolerant low-foam dispersion leveling agent according to claim 1, wherein the anionic emulsifier comprises pentadecyl alkylbenzene sulfonic acid and metapentadecyl alkylbenzene sulfonic acid in a mass ratio of 1 (1.5-2).
6. The efficient salt-tolerant low-foam dispersing leveling agent according to claim 1, wherein the defoaming agent is a polyether type defoaming agent.
7. The high-efficiency salt-tolerant low-foam dispersion leveling agent according to claim 1, further comprising an antibacterial agent in an amount of 0.5-1 parts.
8. The high-efficiency salt-tolerant low-foam dispersing and leveling agent according to claim 1, wherein the antibacterial agent comprises the following components in parts by weight: 0.3-0.5 part of low molecular weight chitosan, 0.5-1.25 parts of PMMA-loaded nano silver and 1-1.5 parts of acetic acid solution.
9. The efficient salt-tolerant low-foam dispersion leveling agent according to claim 8, wherein the preparation method of PMMA carrying nano silver comprises the following steps: mixing MMA monomer, AIBN initiator and nano silver particles, carrying out ultrasonic dispersion for 5-10min, heating to 90-95 ℃, carrying out heat preservation and ultrasonic dispersion for 3-3.5h, carrying out vacuum drying, grinding and ball milling until the particle size is 20-200 mu m, wherein the mass ratio of the MMA monomer, the ABN initiator and the nano silver particles is 1:0.02-0.03: 0.2-0.5.
10. Use of the high efficiency salt tolerant low foam dispersing leveling agent according to any one of claims 1 to 8 in dyeing polyester containing fabrics.
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| JPH06200482A (en) * | 1992-12-28 | 1994-07-19 | Nikka Chem Co Ltd | Dyeing assistant for hydrophobic fiber |
| CN104389204A (en) * | 2014-12-11 | 2015-03-04 | 浙江安诺其助剂有限公司 | High-temperature leveling agent composition |
| CN104389205A (en) * | 2014-12-11 | 2015-03-04 | 上海安诺其集团股份有限公司 | Preparation method of high-temperature leveling agent composition |
| CN104404795A (en) * | 2014-12-11 | 2015-03-11 | 浙江安诺其助剂有限公司 | Application of high-temperature leveling agent composition as high-temperature leveling agent in terylene dyeing |
| CN114150516A (en) * | 2021-12-02 | 2022-03-08 | 绍兴海成化工有限公司 | Efficient level dyeing repairing agent and application thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06200482A (en) * | 1992-12-28 | 1994-07-19 | Nikka Chem Co Ltd | Dyeing assistant for hydrophobic fiber |
| CN104389204A (en) * | 2014-12-11 | 2015-03-04 | 浙江安诺其助剂有限公司 | High-temperature leveling agent composition |
| CN104389205A (en) * | 2014-12-11 | 2015-03-04 | 上海安诺其集团股份有限公司 | Preparation method of high-temperature leveling agent composition |
| CN104404795A (en) * | 2014-12-11 | 2015-03-11 | 浙江安诺其助剂有限公司 | Application of high-temperature leveling agent composition as high-temperature leveling agent in terylene dyeing |
| CN114150516A (en) * | 2021-12-02 | 2022-03-08 | 绍兴海成化工有限公司 | Efficient level dyeing repairing agent and application thereof |
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