CN113846494A - Method for improving dyeing reproducibility of textile and special dispersing agent for dyeing liquor - Google Patents
Method for improving dyeing reproducibility of textile and special dispersing agent for dyeing liquor Download PDFInfo
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- CN113846494A CN113846494A CN202111327314.9A CN202111327314A CN113846494A CN 113846494 A CN113846494 A CN 113846494A CN 202111327314 A CN202111327314 A CN 202111327314A CN 113846494 A CN113846494 A CN 113846494A
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- 238000004043 dyeing Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000002270 dispersing agent Substances 0.000 title claims abstract description 38
- 239000004753 textile Substances 0.000 title claims abstract description 27
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000010413 mother solution Substances 0.000 claims abstract description 19
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 19
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 19
- 229910000162 sodium phosphate Inorganic materials 0.000 claims abstract description 16
- 239000001488 sodium phosphate Substances 0.000 claims abstract description 16
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims abstract description 16
- 125000000129 anionic group Chemical group 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000012452 mother liquor Substances 0.000 claims description 52
- 230000008569 process Effects 0.000 claims description 20
- 230000007062 hydrolysis Effects 0.000 claims description 19
- 238000006460 hydrolysis reaction Methods 0.000 claims description 19
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 14
- 230000032050 esterification Effects 0.000 claims description 9
- 238000005886 esterification reaction Methods 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 3
- 230000003301 hydrolyzing effect Effects 0.000 claims description 3
- 159000000000 sodium salts Chemical class 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 15
- 239000006185 dispersion Substances 0.000 abstract description 13
- 239000000203 mixture Substances 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 4
- 239000000975 dye Substances 0.000 description 57
- 238000001228 spectrum Methods 0.000 description 12
- 238000005070 sampling Methods 0.000 description 5
- 239000000986 disperse dye Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 241000083869 Polyommatus dorylas Species 0.000 description 3
- YXZRCLVVNRLPTP-UHFFFAOYSA-J turquoise blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Cu+2].NC1=NC(Cl)=NC(NC=2C=C(NS(=O)(=O)C3=CC=4C(=C5NC=4NC=4[N-]C(=C6C=CC(=CC6=4)S([O-])(=O)=O)NC=4NC(=C6C=C(C=CC6=4)S([O-])(=O)=O)NC=4[N-]C(=C6C=CC(=CC6=4)S([O-])(=O)=O)N5)C=C3)C(=CC=2)S([O-])(=O)=O)=N1 YXZRCLVVNRLPTP-UHFFFAOYSA-J 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 2
- 229930182559 Natural dye Natural products 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000012443 analytical study Methods 0.000 description 1
- 239000001045 blue dye Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000978 natural dye Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000985 reactive dye Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- D06P1/60—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 polyethers
- D06P1/613—Polyethers without nitrogen
- D06P1/6136—Condensation products of esters, acids, oils, oxyacids with oxiranes
-
- 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
- D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
Abstract
One or more embodiments of the present disclosure provide a method for improving dyeing reproducibility of a textile, and a dispersant dedicated for a dyeing solution, where a dye mother solution is prepared, the dye mother solution is placed in a beaker with a fixed position, a self-made anionic dispersant is added to the dye mother solution, the mixture is fully stirred, an automatic dropping system is adopted to automatically absorb a certain amount of each dye mother solution, and a dyeing recipe is mutually prepared, and the dyeing reproducibility is improved based on improvement of the dispersion stability of the dye mother solution, where the dispersant is made of a self-made isomeric tridecanol polyoxyethylene ether sodium phosphate material, so as to improve the dispersion stability of the mother solution, the mother solution can maintain a consistent dye solution concentration for a long time, and the dye concentration measured during sample drawing is consistent, so that the dyeing reproducibility is improved.
Description
Technical Field
One or more embodiments of the present disclosure relate to the field of textile dyeing technology, and in particular, to a method for improving the dyeing reproducibility of a textile, and a special dispersant for a dyeing solution.
Background
Color reproducibility is an important index for measuring textile dyeing process, and the reproducibility means that the colors of textiles dyed and processed by the same process recipe at different time points have obvious color differences, why do the colors of the textiles produced and processed by the same process recipe have color differences and are inconsistent? The problem is troubled by the industry all the time and becomes a common key technical problem. Indeed, at different time points, batch-to-batch replacement of dyes, batch-to-batch replacement of textiles, different production areas, and even different water qualities may affect the dyeing and dyeing processes. However, there are significant color differences between the recipes in the same batch within hours, which is a great concern, and the reasons for this are very desirable. There are few analytical studies and more optimized solutions in the prior art specifically aimed at this to meet the higher requirements of reproducibility of textile dyeing.
Disclosure of Invention
In view of the above, an object of one or more embodiments of the present disclosure is to provide a method for improving the dyeing reproducibility of textiles and a special dispersant for dyeing solution, so as to solve all or one of the problems in the background art.
In view of the above, one or more embodiments of the present disclosure provide a method for improving the reproducibility of dyeing of textiles, comprising:
preparing a dye mother solution, and placing the dye mother solution in a beaker with a fixed position;
adding a self-made anionic dispersant into the dye mother liquor, and fully stirring;
the automatic dropping system is adopted, and dye mother liquor at a designated position is input on an operation interface of the system, so that a certain amount of dye mother liquor is automatically sucked under the control of the automatic dropping system, and a dyeing prescription is formed by matching.
Preferably, the concentration of the prepared dye mother liquor is 3-8 g/L.
Preferably, the concentration of the added dispersant is 0.5-1.0 g/L.
A special dispersant for dyeing liquor is prepared from a self-made isomeric tridecanol polyoxyethylene ether sodium phosphate material, and is added into a dye mother liquor to be stirred.
Preferably, the preparation of the isomeric tridecanol polyoxyethylene ether sodium phosphate adopts a direct phosphorus pentoxide phosphating method, and the mass ratio of the isomeric tridecanol polyoxyethylene ether sodium phosphate is 3: 1, the isomeric tridecanol and phosphorus pentoxide are prepared by esterification, hydrolysis and sodium salt replacement.
Preferably, the temperature in the esterification process is from 70 to 90 ℃.
Preferably, the esterification process is carried out for a period of 2 to 4 hours.
Preferably, in the hydrolysis process, sodium sulfate salt is used for hydrolytic replacement.
Preferably, the temperature of the hydrolytic displacement in the hydrolysis process is 85-90 ℃.
Preferably, in the hydrolysis process, the hydrolysis displacement time is 2-3 h.
From the above, it can be seen that the method for improving dyeing reproducibility of textiles and the dispersant dedicated for dyeing solution provided in one or more embodiments of the present disclosure, first prepare a dye mother solution, place the dye mother solution in a beaker with a fixed position, add a self-made anionic dispersant to the dye mother solution, fully stir the mixture, and use an automatic dropping system, input the dye mother solution at a specified position on an operation interface of the system, so as to automatically absorb a certain amount of each dye mother solution under the control of the automatic dropping system, and mutually match a dyeing prescription, the present disclosure improves dyeing reproducibility based on the improvement of the dispersion stability of the dye mother solution, is widely applicable to the improvement of dyeing reproducibility of polyester and polyester-containing blended fabrics, further improves dyeing quality, reduces the output of waste dyed textiles, shortens delivery cycle, and uses the automatic dropping system to output a dyeing proof prescription, the method has the characteristics of accurate measurement and metering and high efficiency, and reduces a plurality of manual operation errors compared with manual proofing, wherein the dispersing agent is made of a self-made isomeric tridecanol polyoxyethylene ether sodium phosphate material, so that the dispersion stability of the mother liquor is improved, the mother liquor can keep consistent dye liquor concentration in a long time, the dye concentration measured in proofing is consistent, and the obtained dyeing reproducibility is improved.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
FIG. 1 is a flow chart of an embodiment of the present invention;
FIG. 2 is a spectrum chart of No. 1 dye liquor without dispersant added in the example of the present invention;
FIG. 3 is a spectrum chart of No. 2 dye liquor without dispersant added in the example of the present invention;
FIG. 4 is a spectrum chart of No. 3 dye liquor without dispersant added in the example of the present invention;
FIG. 5 is a spectrum chart of No. 1 dye liquor after a dispersant is added in the embodiment of the invention;
FIG. 6 is a K/S plot of dyed textiles in an example of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
A method for improving the dyeing reproducibility of textiles, comprising the steps of:
preparing a dye mother solution, and placing the dye mother solution in a beaker with a fixed position;
adding a self-made anionic dispersant into the dye mother liquor, and fully stirring;
the automatic dropping system is adopted, and dye mother liquor at a designated position is input on an operation interface of the system, so that a certain amount of dye mother liquor is automatically sucked under the control of the automatic dropping system, and a dyeing prescription is formed by matching.
The invention adopts the steps that firstly, the dye mother liquor is prepared and placed in a beaker with a fixed position, then the self-made anionic dispersant is added into the dye mother liquor, the mixture is fully stirred, and an automatic dropping system is adopted, the dye mother liquor with a designated position is input on the system operation interface, so that a certain amount of dye mother liquor is automatically absorbed under the control of the automatic dropping system, and a dyeing prescription is formed by matching the dye mother liquor with each other. Wherein the automatic dropping system can be a Datacolor AutoLAB TF type automatic dropping system.
In the experimental research process, in order to analyze and research the traditional method and explore a solution, firstly, an ultraviolet-visible spectrophotometer is adopted to test the spectrum of the dye mother liquor in the automatic liquid dropping system; secondly, analyzing the change trends of the spectrum curve and the spectrum characteristic of the dye mother liquor by a system; thirdly, the reason of the reason is explored, and a solution is explored;
the method is characterized in that a spectrum curve of the dye mother liquor is tested by adopting an ultraviolet visible spectrophotometer, the spectra of three dye mother liquors of S-BG turquoise blue (No. 1), WFBL purple (No. 2) and S-2R yellow brown (No. 3) are tested by experiments, the liquor is taken at different time points respectively, and the test is continuously carried out for 4 days, and the specific operation is as follows: diluting 1ml of upper dye liquor of the dye mother liquor to 100ml for ultraviolet spectrum test, wherein the wavelength is set in the range of 400-800nm, and the specific test results are shown in figures 2, 3 and 4;
as can be seen from FIG. 2, the spectrum curve of the S-BG turquoise blue dye liquor (No. 1) shifts downwards along with the delay of the sampling time, and the peak value is reduced, which shows that the effective components of the S-BG turquoise blue in the prepared dye liquor are reduced; after standing and storing for 4 days, the effective concentration is reduced by 62.5 percent, although the volumes of the mother liquor absorbed by different time points are the same, the mother liquor has dispersion instability, after the mother liquor is placed for a period of time, dye molecules sink under the action of gravity to cause the mother liquor to be layered, the effective concentration of the upper dye is reduced, and if sampling is carried out according to the volume, the color difference of a sample is caused;
fig. 3 and 4 show the spectra curves of WFBL violet (No. 2) and S-2R yellow-brown (No. 3), respectively, from which the same conclusion can be drawn, which causes the above problems to be fundamentally the dispersion stability problem of the disperse dye mother liquor itself, and in the case of the reactive dye mother liquor, there is a problem of hydrolysis, and also causes the effective dye concentration to change.
Based on the above, the dyeing reproducibility is improved by adding the self-made anionic dispersant into the dye mother liquor to improve the dispersion stability of the disperse dye mother liquor.
In the embodiment of the invention, the concentration of the prepared dye mother liquor is 3-8g/L, and the concentration of the prepared dye mother liquor is generally selected to be 5 g/L.
In the examples of the present invention, the dispersant was added at a concentration of 0.5 to 1.0 g/L.
In contrast, the invention provides a special dispersant for a dyeing solution, which is prepared from a self-made isomeric tridecanol polyoxyethylene ether sodium phosphate material, 1g/L of self-made isomeric tridecanol polyoxyethylene ether sodium phosphate is added into the prepared dye mother liquor, the mixture is fully stirred, and a spectrum curve of the mixture after being placed for 4 days is tested, so that the result is shown in figure 5, after the self-made isomeric tridecanol polyoxyethylene ether sodium phosphate dispersant is added, the dispersion stability of the mother liquor is obviously enhanced, and the peak variation value is within 1.5 percent and is far less than that before the dispersant is added.
Meanwhile, in order to examine whether the dispersant influences the color of the dyed sample textile, the K/S curve of the textile dyed by the dyeing solution with or without the dispersant is also contrastively tested, as shown in FIG. 6, and the color index is shown in Table 1.
TABLE 1 color difference index for dyed textiles
| Dyed sample | ΔL | Δa | Δb | ΔE |
| 1 | —— | —— | —— | —— |
| 2 | -0.16 | 0.11 | 0.12 | 0.228 |
| 3 | -0.23 | 0.18 | 0.20 | 0.354 |
| 4 | -0.27 | 0.24 | 0.11 | 0.378 |
As can be seen from fig. 6 and table 1, sample 1 is a textile dyed with a dye mother liquor without a dispersant, samples 2, 3, and 4 are textiles dyed with a dye mother liquor after a dispersant is added on days 1, 2, and 3, respectively, and K/S curves are almost coincident without significant changes of peaks and absorbances, indicating that the color attributes of the samples are almost the same, the color differences Δ L and Δ a values of the two are also very small, and the average value of the total color differences of the color is only 0.32, which is not different.
In the embodiment of the invention, the preparation of the isomeric tridecanol polyoxyethylene ether sodium phosphate adopts a direct phosphorus pentoxide phosphating method, and the mass ratio of the isomeric tridecanol polyoxyethylene ether sodium phosphate is 3: 1, the isomeric tridecanol and phosphorus pentoxide are prepared by esterification, hydrolysis and sodium salt replacement.
Specifically, the temperature in the esterification process is 70-90 ℃.
Specifically, the time of the esterification process is 2-4 h.
Specifically, in the hydrolysis process, sodium sulfate is adopted for hydrolysis and replacement.
Specifically, in the hydrolysis process, the temperature of hydrolysis and replacement is 85-90 ℃.
Specifically, in the hydrolysis process, the hydrolysis displacement time is 2-3 h.
In the method for improving dyeing reproducibility of textiles, a self-made anionic dispersant is added into dye mother liquor to improve the dyeing reproducibility by improving the dispersion stability of the disperse dye mother liquor, an automatic dropping system is adopted, the metering and metering are accurate, the efficiency is high, the manual proofing error is favorably reduced, the dyeing quality is further improved, the dyeing reproducibility of textiles is improved, the dye mother liquor does not contain water-soluble groups, the mother liquor prepared by water solution exists in a colloidal solution state, the dispersion stability of dye molecules in the mother liquor is poor, the mother liquor has a layered precipitation phenomenon along with the prolonging of time, the concentration of the upper layer mother liquor is reduced, the concentration of the lower layer is increased, the mother liquor is used for proofing, the concentration of the metered mother liquor is not originally labeled, in other words, a prescription is obtained by the proofing of unstable mother liquor, the natural dye is not a real prescription required by the dye, so that the real dye concentration ratio obtained by sampling at different time is inconsistent, the dyeing reproducibility is poor, after the self-made isomeric tridecanol polyoxyethylene ether sodium phosphate is added into the dye mother liquor, the dispersion stability of the mother liquor is improved, the mother liquor can keep the dye concentration which is consistent before and after the mother liquor is kept for a long time, the dye concentration which is measured during the sampling is really required and the dye concentration which is consistent before and after the dye concentration is improved, the dyeing reproducibility obtained by the sampling is improved, the dispersion effect is substantially a surfactant working mechanism and comprises a hydrophilic end and a lipophilic end, the hydrophilic end can be dissolved in water, phosphate in isomeric tridecanol polyoxyethylene ether phosphate plays a role of a hydrophilic end, on the contrary, the isomeric tridecanol polyoxyethylene ether end is a lipophilic end, is combined with disperse dye molecules and under the action of the hydrophilic end, in addition, the isomeric tridecanol polyoxyethylene ether sodium phosphate is an environment-friendly chemical and does not contain APEO, and the isomeric tridecanol polyoxyethylene ether sodium phosphate has higher solubility than polyoxyethylene ether, is better dissolved in a dye solution and plays a role in dispersion.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (10)
1. A method for enhancing the reproducibility of dyeing a textile, comprising:
preparing a dye mother solution, and placing the dye mother solution in a beaker with a fixed position;
adding a self-made anionic dispersant into the dye mother liquor, and fully stirring;
and (2) inputting the dye mother liquor at a designated position on a system operation interface by adopting an automatic dropping system, so as to automatically suck a certain amount of each dye mother liquor under the control of the automatic dropping system, and mutually matching the dye mother liquor into a dyeing prescription.
2. A method for improving the reproducibility of dyeing textiles as claimed in claim 1, wherein the dye liquor is formulated at a concentration of 3-8 g/L.
3. A method of improving the reproducibility of dyeing textiles as claimed in claim 1, characterised in that the concentration of the added dispersant is 0.5-1.0 g/L.
4. The special dispersant for dyeing liquor is characterized by being prepared from a self-made isomeric tridecanol polyoxyethylene ether sodium phosphate material, and being added into the dye mother liquor for stirring in the method for improving the dyeing reproducibility of textiles in claim 1.
5. The special dispersant for dyeing liquor according to claim 4, wherein the isomeric tridecanol polyoxyethylene ether sodium phosphate is prepared by a direct phosphorus pentoxide phosphating method, wherein the mass ratio of the isomeric tridecanol polyoxyethylene ether sodium phosphate to the phosphorus pentoxide is 3: 1, the isomeric tridecanol and phosphorus pentoxide are prepared by esterification, hydrolysis and sodium salt replacement.
6. The special dispersant for dyeing liquor according to claim 5, wherein the temperature in the esterification process is 70-90 ℃.
7. The special dispersant for dyeing liquor according to claim 5, characterized in that the esterification process time is 2-4 h.
8. The special dispersant for dyeing liquor according to claim 5, characterized in that sodium sulfate is used for hydrolytic displacement in the hydrolysis process.
9. The special dispersant for dyeing liquor according to claim 8, wherein the temperature of hydrolysis and replacement in the hydrolysis process is 85-90 ℃.
10. The special dispersant for dyeing liquor according to claim 8, wherein the hydrolysis displacement time is 2-3h in the hydrolysis process.
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| CN107217512A (en) * | 2016-03-29 | 2017-09-29 | 中国石化仪征化纤有限责任公司 | A kind of method for improving para-aramid fiber and textile dyeing depth |
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| CN113278110A (en) * | 2021-05-27 | 2021-08-20 | 浙江理工大学 | Polymer dispersant for liquid disperse dye and synthetic method and application thereof |
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- 2021-11-10 CN CN202111327314.9A patent/CN113846494A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107217512A (en) * | 2016-03-29 | 2017-09-29 | 中国石化仪征化纤有限责任公司 | A kind of method for improving para-aramid fiber and textile dyeing depth |
| CN111057394A (en) * | 2019-11-05 | 2020-04-24 | 杭州吉华江东化工有限公司 | High-strength disperse slurry dye mixture and application thereof |
| CN113278110A (en) * | 2021-05-27 | 2021-08-20 | 浙江理工大学 | Polymer dispersant for liquid disperse dye and synthetic method and application thereof |
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| Title |
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Application publication date: 20211228 |