CN111549548B - Method for dyeing high-performance fiber in liquid film second - Google Patents
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
- D06P1/67358—Halides or oxyhalides
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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
- D06P1/90—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 dyes dissolved in organic solvents or aqueous emulsions thereof
- D06P1/92—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 dyes dissolved in organic solvents or aqueous emulsions thereof in organic solvents
- D06P1/928—Solvents other than hydrocarbons
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/34—Material containing ester groups
- D06P3/52—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
- D06P5/2066—Thermic treatments of textile materials
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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
- D06P1/90—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 dyes dissolved in organic solvents or aqueous emulsions thereof
- D06P2001/906—Solvents other than hydrocarbons
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Abstract
The invention discloses a method for dyeing high-performance fiber by liquid film second, firstly soaking the high-performance fiber in dye liquor prepared by N, N-dimethylacetamide, LiCl and colored nano particles, then the pretreated high-performance fiber is subjected to high-temperature oil bath treatment, the surface roughness and the porosity of the fiber in the high-performance fiber can be effectively increased through the smaller molecular structure of the N, N-dimethylacetamide and the strong electronegativity of the amide carbonyl group, thereby being beneficial to adsorbing more colored particles, simultaneously utilizing the action of high-temperature high-pressure steam in the oil bath dyeing process to generate a certain internal and external pressure difference in the holes on the surface of the high-performance fiber, and the synergistic action of N, N-dimethylacetamide and LiCl ensures that the colored nanoparticles are further absorbed into the inner layer of the high-performance fiber, so as to realize the rapid dyeing of the high-performance fiber. The invention effectively improves the printing and dyeing efficiency and the fixation rate of the high-performance fiber, and is beneficial to expanding the application of the high-performance fiber.
Description
Technical Field
The invention relates to the technical field of textile printing and dyeing, in particular to a method for dyeing high-performance fibers by liquid film second.
Background
With the development of social economy, the application of high-performance fibers is more and more extensive, and due to the particularity of the structure and the performance, the high-performance fibers have excellent performance which the conventional fibers do not have, so that the high-performance fibers are widely applied to the fields of aerospace, protection, military, industry and the like, but the application development of the high-performance fibers is seriously influenced by the poor dyeability of the high-performance fibers. Therefore, the method has important significance for improving the dyeing property of high-performance fibers.
The common high-performance fibers mainly comprise meta-aramid fibers, para-aramid fibers, polyimide fibers, polyarylate fibers and the like. So far, numerous scholars at home and abroad carry out a great deal of research on the dyeing methods of the high-performance fibers, such as plasma treatment and grafting treatment on the high-performance fibers or improvement on the dyeing process of the high-performance fibers, and addition of a leveling agent, an accelerating agent, a carrier and the like. These methods solve the problem of difficulty in dyeing high-performance fibers to some extent, but still do not achieve satisfactory dyeing effects. Further, how to improve the strength of the dyed fiber after the modification treatment is still a problem to be solved in the future. Therefore, the deep research on the dyeing modification of the high-performance fiber has profound significance for widening the application field of the high-performance fiber.
Patent application No. CN201210049369.2 discloses a method for dyeing aromatic polyamide fiber, which comprises pretreating aromatic polyamide fiber with sodium hydroxide, and then carrying out carrier dyeing, wherein in the pretreatment step of the method, sodium hydroxide hydrolyzes terminal anhydride of aromatic polyamide fiber molecule into carboxyl group, thereby increasing dyeing seat. The method has the defects that the strength of the fiber is greatly influenced when the high-concentration sodium hydroxide is used for treating the fiber at high temperature for a long time, and the method has serious damage to equipment and is not beneficial to the actual production requirement of a factory.
Also, for example, patent applications CN201910295485.4, cn201910296047.x, CN201910295474.6, CN201910295483.5, and cn201910295519.x, all relate to dyeing aramid fibers with LiCl/DMAc system. The method solves the problem of difficult dyeing of high-performance fibers to a certain extent, but has the problems of long time consumption in the dyeing process, low printing and dyeing efficiency and the like, so that the satisfactory dyeing effect is still difficult to achieve.
The method adopts N, N-dimethylacetamide with the concentration of 40g/L as a carrier under the conditions of high temperature and high pressure to play a role in improving the dyeing efficiency of disperse dyes, and the technology can improve the dye uptake of the disperse dyes on high-performance fibers. The disadvantage is that the dye structure is destroyed under high temperature conditions, thus making it difficult to dye high performance fabrics with bright colors.
The publication of China publication (printing and dyeing) at publication time No. 01 of 2010 discloses a plasma pretreated aramid fiber fabric pigment printing performance, and the publication introduces that an aramid fiber fabric is treated by adopting an air plasma low-pressure glow discharge point and then is subjected to pigment printing. The dry and wet grinding fastness and the brushing fastness of the treated aramid fiber printing sample are improved. The disadvantages are that: the paint is prepared by adhering pigment particles to the surface of fibers in the fabric by using an adhesive, the interface fastness is weak, and the color paste film is easy to fall off.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a method for dyeing high-performance fibers by liquid film second.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method for dyeing high-performance fiber in a liquid film second comprises the following steps:
s1, pretreatment of high-performance fibers: soaking the high-performance fiber in a dye solution prepared from N, N-dimethylacetamide, LiCl and colored nanoparticles, taking out, and carrying out suction drying by using filter paper or padding by using a padder, wherein the liquid carrying rate of the treated high-performance fiber is controlled to be 80-120%;
s2, high-temperature frying and dyeing: and (4) placing the high-performance fiber pretreated in the step (S1) into oil, performing high-temperature treatment, taking out, cooling, washing and drying to obtain the meta-aramid fiber dyed by the liquid film second.
The mechanism for dyeing meta-aramid fiber by liquid film in seconds is as follows: firstly, putting the dipped high-performance fiber with lithium chloride, N-dimethylacetamide and colored nanoparticles into an oil pan for frying, wherein a large amount of solvent adsorbed on the high-performance fiber escapes after the frying is started, a large amount of porous channels are rapidly formed on the surface of the high-performance fiber, and the solvent in the high-performance fiber is gradually converted into steam; forming positive pressure gradient to make steam continuously flow out from the crack of the high-performance fiber, the open capillary tube and the like, thereby forming bubbles on the surface of the high-performance fiber, forming an air film by the bubbles which continuously flow out, and forming large holes at the position where the solvent is violently evaporated in the high-performance fiber, thereby leading colored particles to enter the large holes in the frying stage; meanwhile, cracks, pits and the like existing on the surface of the high-performance fiber can also play the same role as the large holes; when the frying is finished, the steam pressure inside the holes on the surface of the high-performance fiber is reduced due to the temperature reduction, and the internal and external pressure difference is generated, so that the colored particles are further absorbed into the inner layer of the high-performance fiber. When the high-performance fiber sample is taken out from the oil bath, steam in the hole on the surface of the high-performance fiber sample is in a superheated state; as the cooling process proceeds, the superheated steam is gradually cooled to saturation, and as the temperature continues to decrease, the steam saturation pressure also decreases. The outside of the hole is atmospheric pressure, so that pressure difference is formed between the inside and the outside of the hole, and the colored nano particles adsorbed on the surface of the high-performance fiber after being impregnated are sucked into the high-performance fiber; meanwhile, an oily liquid film is formed on the surface of the high-performance fiber in the frying process, and the colored nanoparticles are blocked in the high-performance fiber, so that the adsorption rate and the dye uptake of the colored nanoparticles on the high-performance fiber are improved.
As a further limitation of the above technical solution, in step S1, the dye liquor is prepared by the following components by mass:
85-100% of N, N-dimethylacetamide
LiCl 0～10％
0-5% of colored nanoparticles;
wherein, the mass ratio of LiCl to the colored nano particles is not 0.
As a further limitation of the above technical solution, the colored particles are one or a combination of more of organic disperse dyes or inorganic nano pigments.
As a further limitation of the above technical solution, in step S1, the soaking time is 50 to 100 seconds.
As a further limitation of the above technical solution, in step S2, the temperature is 165-250 ℃ and the time is 1-30S.
As a further limitation of the above technical solution, in step S2, the washing is: washing with ethanol, detergent, and clear water, ultrasonic washing with 50% ethanol water solution for 10min, and washing with running water.
As a further limitation of the above technical solution, in step S2, the drying temperature is 70 to 90 ℃.
As a further limitation of the above technical solution, in step S2, the oil used for the fry dyeing includes, but is not limited to, rapeseed oil and silicone oil.
As a further limitation of the above technical solution, the vegetable oil includes but is not limited to one or more of rapeseed oil, peanut oil, soybean oil, sesame oil, blend oil; the silicone oil includes but is not limited to one or more of methyl silicone oil, phenyl silicone oil and vinyl silicone oil.
As a further limitation of the above technical solution, the high-performance fiber is one of meta-aramid, para-aramid, polyimide, or polyarylate.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, lithium chloride, N-dimethylacetamide and functional nanoparticles are adsorbed on the high-performance fiber through impregnation treatment, and the hydrogen bond acting force among macromolecules of the high-performance fiber can be effectively destroyed to enter the fiber through the small molecular structure of the N, N-dimethylacetamide and the strong electronegativity of amide carbonyl, and a new hydrogen bond is formed with functional groups on the macromolecules of the high-performance fiber, so that the roughness and porosity of the surface of the high-performance fiber are increased, and more colored nanoparticles can be adsorbed, and the preparation is prepared for the subsequent coloring; meanwhile, based on the regulation and control of N, N-dimethylacetamide on fiber surface macromolecular chains in the high-performance fibers during pretreatment, the macromolecular chains on the fiber surfaces are relatively loose, at the moment, the high-performance fibers are put into an oil pan for frying, the colored nanoparticles are gathered on the fiber surfaces and inside under the driving of heat, meanwhile, the solvent inside the high-performance fibers is gradually converted into steam, and a positive pressure gradient is formed, so that the steam continuously flows out from cracks, open capillary pipelines and the like of the high-performance fibers, bubbles are formed on the surfaces of the high-performance fibers, the bubbles which continuously flow out form air films, large holes are formed at the positions where the solvent in the high-performance fibers is violently evaporated, and the colored nanoparticles can enter the large holes in the frying stage; when the frying is finished and the cooling process is finished, the vapor pressure in the holes on the surface of the high-performance fiber is reduced due to the temperature reduction, so that the internal and external pressure difference is generated, and the colored nanoparticles are further absorbed into the inner layer of the high-performance fiber under the action of the N, N-dimethylacetamide and the LiCl, thereby realizing the dyeing of the high-performance fiber.
(2) The method realizes the rapid dyeing of the high-performance fiber by means of the action of high-temperature and high-pressure steam in the frying process and the cooperation of LiCl and N, N-dimethylacetamide, effectively improves the printing and dyeing efficiency and the color fixing rate of the high-performance fiber, is favorable for expanding the application of the high-performance fiber, and has wide market prospect.
Drawings
FIG. 1 is a scanning electron microscopy characterization of meta-aramid after liquid film second dyeing in example 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention is further described in detail with reference to the following embodiments; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention; the reagents, methods and apparatus employed in the present invention are conventional in the art, except as otherwise indicated.
Surface color depth generally refers to the perceived depth that the color of an opaque substance gives people. Influenced by e.g. the content of coloured substances, the physical state of the coloured substances, the optical properties of the solid surface, etc. The magnitude of the apparent color depth value can generally be expressed in terms of the function of the Kubela-Munk (Kubela-Munk), i.e.:
in the formula: k is the absorption coefficient of the measured object; r∞Approaching an infinite thick reflection factor for the sample; and S is the scattering coefficient of the measured object.
In general, when calculating the K/S value, the value at the maximum absorption wavelength is often selected. The larger the K/S value is, the higher the color yield of the dyed textile is, and the darker the color is; conversely, the lower the K/S value, the lower the color yield of the dyed textile, and the lighter the color.
In the following detailed description of the invention, the measurements were carried out using an electronic colorimeter model SF600PSUS from DATACOLOR, 10 ℃ field of view, D65 light source, samples folded in 8 layers, and the average value was taken after each sample was measured 8 times at different positions.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Example 1
A method for dyeing high-performance fiber in a liquid film second comprises the following steps:
s1, pretreatment of high-performance fibers: soaking the meta-aramid high-performance fiber in the mixture by mass ratio: preparing a dye solution from 96% of N, N-dimethylacetamide (DMAc), 3% of LiCl and 3% of pigment red 101 colored nanoparticles for 75s, taking out, and sucking by using filter paper to dry, wherein the liquid carrying rate of the treated high-performance fiber is controlled to be 100%;
s2, high-temperature oil bath dyeing: and (3) placing the high-performance fiber pretreated in the step (S1) in methyl silicone oil at 200 ℃, performing high-temperature treatment for 15S, taking out, cooling, washing with ethanol, detergent and clear water in sequence, ultrasonically washing with 50% ethanol water solution for 10min, washing with running water, and drying at 80 ℃ to obtain the meta-aramid fiber dyed by a liquid film second.
Fig. 1 is a scanning electron microscope characterization diagram of the meta-aramid fiber dyed in the liquid film second in this embodiment, and it can be seen from the diagram that a large amount of nanoparticles are attached to the meta-aramid fiber surface, thereby indicating that the present invention realizes rapid dyeing of high performance fiber by means of the high-temperature and high-pressure steam effect during the high-temperature oil bath treatment and the cooperation of LiCl and N, N-dimethylacetamide.
Examples 2 to 3
Examples 2-3 provide a method for dyeing high-performance fiber in liquid film second, which is different from example 1 in that the mass ratio of each component in the dye solution in step S1 is changed, and the operations are the same except for the above differences, and are not described herein again; the specific experimental condition parameters and test results are shown in the following table.
The results of the comparative examples 1 to 3 show that the change of the dosage ratio of the components in the dye solution in the pretreatment process of the high-performance fiber can significantly affect the dyeing depth of the high-performance fiber, and the results of the comparative examples 1 to 2 and 3 show that the rapid dyeing of the high-performance fiber is realized by the high-temperature high-pressure steam action in the high-temperature oil bath treatment process and the cooperation of LiCl and N, N-dimethylacetamide, and the dyeing efficiency of the high-performance fiber is effectively improved.
Examples 4 to 10
Examples 4 to 10 provide a method of liquid film second dyeing of high performance fiber, which is different from example 1 in that the temperature of the high temperature oil bath treatment and the frying time in step S2 are changed, and the operations are the same except for the above differences, and thus are not described herein again; the specific experimental condition parameters and test results are shown in the following table.
| Examples | Temperature (. degree.C.) | Time(s) | K/S value |
| 4 | 150 | 15 | 10.5 |
| 5 | 165 | 15 | 13.2 |
| 6 | 250 | 15 | 9.8 |
| 7 | 260 | 15 | 7.5 |
| 8 | 200 | 1 | 5.6 |
| 9 | 200 | 30 | 10.3 |
| 10 | 200 | 35 | 10.6 |
Comparing the results of examples 1 and 4 to 7, it is understood that the dyeing level of the high performance fiber is increased and then decreased as the temperature of the high temperature oil bath treatment is increased in step S2.
As is clear from the results of comparative example 1 and examples 8 to 10, the dyeing depth of the high performance fiber gradually increased with the increase of the high temperature oil bath treatment time in step S2, and therefore, the high performance fiber with different dyeing depths can be obtained by adjusting the high temperature oil bath treatment time as necessary in the practical application.
Examples 11 to 12
Examples 11-12 provide a method for liquid film second dyeing of high performance fibers, which is different from example 1 in that the kind of the colored nanoparticles in step S1 is changed, and the operations are the same except the above differences, and thus the details are not repeated herein; the specific experimental condition parameters and test results are shown in the following table.
| Examples | Chromonic nanoparticles | K/S value |
| 11 | Inorganic pigment yellow 42 | 5.8 |
| 12 | Inorganic pigment blue 27 | 8.3 |
From the results of example 1 and examples 11-12, it is clear that red high-performance fibers with different color depths can be dyed by using the inorganic nano pigment red 101; the inorganic nano pigment yellow 42 can be used for dyeing yellow high-performance fibers with different color depths; the blue high-performance fiber with different color depths can be dyed by adopting the inorganic nano pigment blue 27. Therefore, in the practical application process, the high-performance fibers with different colors can be dyed by adjusting the types of the colored nanoparticles in the dye liquor in the pretreatment process of the high-performance fibers so as to meet the application requirements of the high-performance fibers and expand the application range of the high-performance fibers.
While the invention has been described with respect to specific embodiments thereof, it will be understood by those skilled in the art that the foregoing and other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention; those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention; meanwhile, any equivalent changes, modifications and alterations of the above embodiments according to the spirit and techniques of the present invention are also within the scope of the present invention.
Claims (9)
1. The method for dyeing the high-performance fiber by the liquid film second is characterized by comprising the following steps:
s1, pretreatment of high-performance fibers: soaking the high-performance fiber in a dye solution prepared from N, N-dimethylacetamide, LiCl and colored particles, taking out, carrying out suction drying by using filter paper or padding by using a padder, and controlling the liquid carrying rate of the treated high-performance fiber to be 80-120%; the high-performance fiber is one of meta-aramid, para-aramid, polyimide or polyarylate;
s2, high-temperature frying and dyeing: and (4) placing the high-performance fiber pretreated in the step (S1) into oil for high-temperature treatment, taking out, cooling, washing and drying to obtain the high-performance fiber dyed by the liquid film second.
2. The method for liquid film second dyeing of high performance fiber according to claim 1, characterized in that in step S1, the dye liquor is prepared by the following components by mass ratio:
85-100% of N, N-dimethylacetamide
LiCl 0～10％
0-5% of colored particles;
wherein the mass ratio of LiCl to the colored particles is not 0.
3. The method for liquid film second dyeing of high performance fiber according to claim 1 or 2, wherein the colored particles are one or more of organic disperse dyes or inorganic nano pigments.
4. The method for liquid film second dyeing of high performance fiber according to claim 1, wherein in step S1, the soaking time is 50-100S.
5. The method for liquid film second dyeing of high performance fiber according to claim 1, wherein in step S2, the temperature is 165-250 ℃ and the time is 1-30S.
6. The method for liquid film second dyeing of high performance fiber according to claim 1, wherein in step S2, the washing is: washing with ethanol, detergent, and clear water, ultrasonic washing with 50% ethanol water solution for 10min, and washing with running water.
7. The method for liquid film second dyeing of high-performance fibers according to claim 1, wherein in step S2, the drying temperature is 70-90 ℃.
8. The method for liquid film second dyeing of high performance fiber according to claim 1, wherein the oil used in step S2 is vegetable oil or silicone oil.
9. The method according to claim 8, wherein the vegetable oil is one or more of rapeseed oil, peanut oil, soybean oil, sesame oil, blend oil; the silicone oil is one or more of methyl silicone oil, phenyl silicone oil and vinyl silicone oil.
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| CN101570940A (en) * | 2009-05-18 | 2009-11-04 | 江南大学 | Method for modification, dyeing and multifunctional composite finishing of aramid fiber |
| CN104532622A (en) * | 2014-12-19 | 2015-04-22 | 东华大学 | Method for dyeing aromatic polyimide fiber with disperse dye |
| CN105040429A (en) * | 2015-07-29 | 2015-11-11 | 舟山宇净环境科技有限公司 | Preparation method for flute-shaped aramid nano-fiber |
| CN110080014A (en) * | 2019-04-12 | 2019-08-02 | 武汉纺织大学 | A kind of method of meta-aramid particles of textiles stream dyeing |
| CN110106719A (en) * | 2019-04-12 | 2019-08-09 | 武汉纺织大学 | A kind of method that high-performance textile is dyed from pressurised carrier |
| CN110130101A (en) * | 2019-04-12 | 2019-08-16 | 武汉纺织大学 | A kind of method that meta-aramid fabric surface is function modified |
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