CN111424440A - Method for dyeing with disperse dye in non-aqueous medium - Google Patents
Method for dyeing with disperse dye in non-aqueous medium Download PDFInfo
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- CN111424440A CN111424440A CN202010396663.5A CN202010396663A CN111424440A CN 111424440 A CN111424440 A CN 111424440A CN 202010396663 A CN202010396663 A CN 202010396663A CN 111424440 A CN111424440 A CN 111424440A
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- dyeing
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- solubility
- fabric
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- 238000004043 dyeing Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 47
- 239000000986 disperse dye Substances 0.000 title claims abstract description 29
- 239000012736 aqueous medium Substances 0.000 title claims abstract description 22
- 239000002904 solvent Substances 0.000 claims abstract description 34
- 239000004744 fabric Substances 0.000 claims abstract description 28
- 239000000975 dye Substances 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000000835 fiber Substances 0.000 claims description 14
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 229920000728 polyester Polymers 0.000 claims description 9
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 4
- 229920006221 acetate fiber Polymers 0.000 claims description 4
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 10
- 239000000243 solution Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 229920002994 synthetic fiber Polymers 0.000 description 6
- 239000012209 synthetic fiber Substances 0.000 description 6
- 239000004753 textile Substances 0.000 description 6
- 229920004933 Terylene® Polymers 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 229920002972 Acrylic fiber Polymers 0.000 description 4
- 239000002609 medium Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- 239000003125 aqueous solvent Substances 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000012457 nonaqueous media Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- XMSXQFUHVRWGNA-UHFFFAOYSA-N Decamethylcyclopentasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 XMSXQFUHVRWGNA-UHFFFAOYSA-N 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000009970 yarn dyeing Methods 0.000 description 1
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
- D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
-
- 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
-
- 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
- D06P1/64—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 low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/651—Compounds without nitrogen
- D06P1/65106—Oxygen-containing compounds
- D06P1/65118—Compounds containing hydroxyl groups
-
- 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
- D06P1/64—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 low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/651—Compounds without nitrogen
- D06P1/65168—Sulfur-containing compounds
-
- 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
- D06P3/54—Polyesters using dispersed dyestuffs
Abstract
The invention provides a method for dyeing by using a disperse dye in a non-aqueous medium. The method comprises the following steps: dissolving the disperse dye by using a high-solubility solvent, and adding a low-solubility solvent after the dye is completely dispersed to obtain a dye bath; placing the fabric in a dye bath, heating to 110-160 ℃ at the speed of 1-10 ℃/min, and preserving heat for 30-120 min to finish dyeing. The dyeing method only uses the dye and does not use other dyeing assistants, the dyeing effect of the dyed finished product is equivalent to that of the conventional aqueous medium, and the energy can be saved.
Description
Technical Field
The invention relates to a dyeing method, in particular to a disperse dye non-aqueous medium dyeing method, and belongs to the technical field of textile dyeing.
Background
The textile industry is the traditional strut industry in China, and with the development of the petroleum industry, the production and the use of synthetic fibers such as terylene, acrylic fibers and the like are more and more extensive, especially in textiles for clothing, the synthetic fiber textiles account for more than 70% of the total amount of the textiles, and the annual consumption of disperse dyes for dyeing the synthetic fibers such as the terylene, the acrylic fibers and the like is more than 50 ten thousand tons.
The conventional dyeing process of the disperse dye needs to use a large amount of chemicals such as a dispersing agent, an accelerating agent and the like, and the dye has more residues after dyeing, deep chromaticity of dye liquor, high content of harmful substances and high difficulty in wastewater treatment, thereby being a great problem which troubles the development of the current dyeing and finishing industry.
Non-aqueous dyeing (waterless dyeing) generally refers to a novel environment-friendly dyeing technology which uses an organic solvent or other non-aqueous media to replace an aqueous medium in the dyeing process, dyes fabrics as a dyeing medium, and recycles the non-aqueous media so as to reduce pollution emission. The specific research directions are as follows: non-aqueous solvent dyeing, critical CO2The technology of dyeing, reverse micelle dyeing and the like, particularly the research on the aspect of dyeing synthetic fibers such as terylene, acrylic and the like by disperse dyes, has considerable application prospect and industrial value.
Much research is currently done on critical CO2Dyeing technique using critical CO2As a dyeing medium, dyes are dissolved, and synthetic fibers such as terylene, acrylic fibers and the like are dyed. CO used2Green and pollution-free, but the process needs ultra-high pressure environment to lead CO2In a critical state, the working pressure of 3-7MPa (30-70 times of atmospheric pressure) is a great challenge to equipment and production safety, and is also a bottleneck limiting the industrial production of the technology at present.
The non-aqueous solvent is used for replacing an aqueous medium for dyeing, so that the method has industrial feasibility: the method has the advantages of small modification degree of the existing equipment, easy control of the dyeing process and small pollution of solvent recycling.
However, the disperse dye dyeing of the non-aqueous solvent also has the following difficulties: the solvent medium used has high solubility to disperse dyes, so that deep color dyeing is difficult; the low solubility of the disperse dye tends to cause problems of uneven dyeing, spots and defects in dyeing quality. The solvent medium is difficult to satisfy the requirements of high solubility and high dyeing property.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a disperse dye non-aqueous medium dyeing method, the dyeing effect of the dyeing finished product of the dyeing method is equivalent to that of the conventional aqueous medium, and the heating energy can be saved.
In order to achieve the technical object, the present invention provides a method for dyeing with a disperse dye in a non-aqueous medium, the method comprising:
dissolving the disperse dye by using a high-solubility solvent, and adding a low-solubility solvent after the dye is completely dispersed to obtain a dye bath;
placing the fabric in a dye bath, heating to 110-160 ℃ at the speed of 1-10 ℃/min (preferably 120-140 ℃), and keeping the temperature for 30-120 min (45-90 min) to finish dyeing.
In one embodiment, the volume ratio of the high-solubility solvent to the low-solubility solvent is 1: 10-1: 200.
in one embodiment, the bath ratio of fabric to dye bath is 1: 5-1: 50.
in one embodiment, the high solubility solvent has a solubility parameter greater than 12; specifically, the high-solubility solvent is one or more of glycerol, ethylene glycol, phenol, methanol, dimethyl sulfoxide, water and ethanol.
In one embodiment, the low solubility solvent is a solvent having a solubility parameter less than 9; specifically, the low-solubility solvent comprises one or a combination of several of isobutene, cyclohexane, dimethyl carbonate, C5-C12 alkane and dimethyl cyclosiloxane.
The fabric dyed by the dyeing method of the invention is synthetic fiber such as terylene, acrylic fiber and the like. In a specific embodiment, the composition of the fabric comprises one or a combination of more of polyester fiber, polyamide fiber, polyacrylonitrile fiber and acetate fiber; or a blended fabric of one or more of polyester fiber, polyamide fiber, polyacrylonitrile fiber and acetate fiber and natural fiber.
In particular, the fabric may be in the form of a yarn, piece goods, garment or other form of textile.
In one embodiment, the fabric is dyed at a temperature of 30 ℃ to 60 ℃ and then raised to the dyeing temperature at a certain rate and held at the dyeing temperature for a certain period of time. Wherein, when the temperature is lower than 90 ℃, the temperature rising speed is 5 ℃/min to 10 ℃/min; when the temperature is above 90 ℃, the temperature rising speed is 1-5 ℃/min. Wherein, the circulation mode of the dye liquor in the heat preservation stage can comprise one or a combination of more of overflow, internal and external flow, stirring and spraying.
The dyeing method also comprises the steps of taking out the fabric, draining, drying and recovering the solvent. In a specific embodiment, the dyeing method further comprises the steps of cooling and draining after dyeing is finished, reducing the liquid carrying rate to 10% -100%, drying the fabric, and recovering a dye solution solvent and dried solvent steam.
In a specific embodiment, the mode for reducing the liquid carrying rate comprises one or more of rolling, centrifuging and squeezing water; specifically, the above-described process may be performed once or several times in succession to control the liquid-carrying rate.
The invention also provides a dyed fabric dyed by the method for dyeing by the disperse dye in a non-aqueous medium.
The method for dyeing by using the disperse dye in the non-aqueous medium has low requirements on equipment, does not need chemicals such as a dispersing agent, an accelerating agent and the like, has low energy consumption and little pollution, and is a green and environment-friendly dyeing production mode.
The method for dyeing the disperse dye by using the non-aqueous medium utilizes the high-solubility solvent to disperse and dissolve the disperse dye so as to realize uniform dyeing of the dye; and then the low-solubility solvent is combined, so that the disperse dye can be dyed in deep color, and the purposes of high solubility and high dye uptake of the disperse dye are realized.
According to the method for dyeing by using the disperse dye as the non-aqueous medium, the specific heat capacity of the mixed solvent is not as high as 1/2 of a common aqueous medium, heating energy is greatly saved in the dyeing process, the solvent is separated and recycled after being decolored after dyeing, no waste liquid is discharged in the process, the method is economical and environment-friendly, the quality of a dyed finished product is equivalent to that of a dyeing effect of a conventional aqueous medium, and the method has considerable industrial prospect.
Detailed Description
The technical solutions of the present invention will be described in detail below in order to clearly understand the technical features, objects, and advantages of the present invention, but the present invention is not limited to the practical scope of the present invention.
Example 1
The embodiment provides a dyeing method of a disperse dye non-aqueous medium, which comprises the following steps:
taking 0.3g of disperse dark blue and 2m of L ethylene glycol, stirring and uniformly dispersing, and adding 150m of L m of pentan to prepare a dye solution;
adding 10g of polyester knitted fabric, sealing a dyeing cup, dyeing at 30 ℃, heating to 90 ℃ at 6 ℃/min, and heating to 130 ℃ at 2 ℃/min for dyeing for 45 min;
and after dyeing, cooling, taking cloth, padding to reduce the liquid carrying rate, drying, and reducing and cleaning.
Example 2
The embodiment provides a dyeing method of a disperse dye non-aqueous medium, which comprises the following steps:
taking 0.9g of disperse dark blue and 5m of L dimethyl sulfoxide, stirring and uniformly dispersing, and adding 300m of L decamethylcyclopentasiloxane to prepare a dye solution;
adding 30g of polyester knitted fabric, sealing a dyeing cup, dyeing at 40 ℃, heating to 90 ℃ at 10 ℃/min, and heating to 120 ℃ at 3 ℃/min for dyeing for 60 min;
and after dyeing, cooling, taking cloth, padding to reduce the liquid carrying rate, drying, and reducing and cleaning.
Example 3
The embodiment provides a dyeing method of a disperse dye non-aqueous medium, which comprises the following steps:
taking 30g of disperse light yellow SM182001 and 200m L dimethyl sulfoxide, stirring and uniformly dispersing, and adding 25L n-heptane to prepare a dye solution;
loading 1Kg of polyester cone yarn, dyeing at 30 ℃, starting a pump of a yarn dyeing machine for circulation, heating to 90 ℃ at 10 ℃/min, and heating to 130 ℃ at 2 ℃/min for dyeing for 60 min;
and after dyeing, cooling, draining, squeezing water, taking out the yarn, drying, and carrying out reduction cleaning.
Comparative example 1
The comparative example provides a dyeing process of a conventional aqueous medium of disperse dyes, comprising the steps of:
taking 0.3g of disperse dark blue, 0.1g of dispersant DIF, 0.3m of L glacial acetic acid and 150m of L water, stirring and uniformly dispersing, then adding 10g of polyester knitted fabric, dyeing at 30 ℃, sealing a dyeing cup, heating to 90 ℃ at 5 ℃/min, heating to 130 ℃ at 3 ℃/min, dyeing for 45 minutes, cooling, taking cloth, padding to reduce the liquid carrying rate, reducing, cleaning and drying.
Comparative example 2
The present comparative example provides a method of dyeing disperse dyes comprising the steps of:
taking 0.9g of disperse dark blue and 100m of L ethylene glycol, stirring and uniformly dispersing, and adding 450m of L m of pentaerythrine to prepare a dye solution;
adding 30g of polyester knitted fabric, dyeing at 40 ℃, sealing a dyeing cup, heating to 90 ℃ at 6 ℃/min, and heating to 130 ℃ at 2 ℃/min for dyeing for 45 min;
and after dyeing, cooling, taking cloth, padding to reduce the liquid carrying rate, drying, and reducing and cleaning.
The results of color K/S, fastness tests (AATCC standard) for the examples and comparative examples are shown in Table 1.
TABLE 1
| K/S value | Soaping fastness (grade) | Fastness to dry rubbing (grade) | Wet rubs fastness (grade) | |
| Example 1 | 23.7 | 4.5 | 4.5 | 4.5 |
| Example 2 | 24.1 | 4.5 | 4.5 | 4.5 |
| Comparative example 1 | 24.6 | 4.5 | 4.5 | 4.5 |
| Comparative example 2 | 5.1 | 4.0 | 4.5 | 4.0 |
Comparing example 1, example 2 and comparative example 1, the method for dyeing the disperse dye by the non-aqueous medium is illustrated, and the color depth of the dyed fabric is equivalent to the common water dyeing effect; the washing fastness and the rubbing fastness of the fabric reach 4.5 grades.
Comparative example 1 and comparative example 2, when the high solubility parameter solvent: the low solubility parameter solvent is 1: at 4.5, the dyeing depth (K/S value) was significantly reduced, and a large amount of dye remained in the organic solvent after dyeing.
Claims (10)
1. A method of dyeing with a disperse dye in a non-aqueous medium, the method comprising:
dissolving the disperse dye by using a high-solubility solvent, and adding a low-solubility solvent after the dye is completely dispersed to obtain a dye bath;
placing the fabric in a dye bath, heating to 110-160 ℃ at the speed of 1-10 ℃/min, and preserving heat for 30-120 min to finish dyeing.
2. The method of claim 1, wherein the volume ratio of high-solubility solvent to low-solubility solvent is 1: 10-1: 200.
3. the method of claim 1 wherein the bath ratio of fabric to dye bath is 1: 5-1: 50.
4. the method of claim 1, wherein the high solubility solvent is a solvent having a solubility parameter greater than 12;
preferably, the high-solubility solvent is one or a combination of glycerol, ethylene glycol, phenol, methanol, dimethyl sulfoxide, water and ethanol.
5. The method of claim 1, wherein the low solubility solvent is a solvent having a solubility parameter of less than 9;
preferably, the low-solubility solvent is one or a combination of isobutene, cyclohexane, dimethyl carbonate, C5-C12 alkane and dimethylcyclosiloxane.
6. The method of claim 1, wherein the composition of the fabric comprises one or more of polyester fiber, polyamide fiber, polyacrylonitrile fiber and acetate fiber; or the like, or, alternatively,
blended fabric of one or more of polyester fiber, polyamide fiber, polyacrylonitrile fiber and acetate fiber and natural fiber;
preferably, the form of the fabric comprises yarn, piece goods, ready-made clothes.
7. The method according to claim 1, wherein the temperature is raised at a rate of 5 ℃/min to 10 ℃/min at a temperature of less than 90 ℃; when the temperature is above 90 ℃, the temperature rising speed is 1-5 ℃/min.
8. The method of claim 1, wherein the dyeing temperature is from 30 ℃ to 60 ℃.
9. The method of claim 1, further comprising the steps of cooling, draining, reducing liquor pick-up to 10% -100% after dyeing is completed, drying the fabric, recovering the dye liquor solvent and dried solvent vapors.
10. The method of claim 9, wherein the means for reducing liquid carry over rate comprises one or a combination of pressing, centrifuging, and squeezing water.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010396663.5A CN111424440A (en) | 2020-05-12 | 2020-05-12 | Method for dyeing with disperse dye in non-aqueous medium |
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| CN202010396663.5A CN111424440A (en) | 2020-05-12 | 2020-05-12 | Method for dyeing with disperse dye in non-aqueous medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746507A (en) * | 2021-01-08 | 2021-05-04 | 上海工程技术大学 | Dyeing function finishing one-bath one-step dyeing and finishing process |
| CN113072819A (en) * | 2021-02-26 | 2021-07-06 | 上海工程技术大学 | Disperse dye special for anhydrous dyeing system and preparation and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1333722A (en) * | 1969-10-16 | 1973-10-17 | Ciba Geigy Ag | Process for dyeing textile materials |
| CN109629251A (en) * | 2017-10-06 | 2019-04-16 | 海宁绿宇纺织科技有限公司 | A kind of non-aqueous media system suitable for disperse dyeing |
| CN110862699A (en) * | 2019-11-29 | 2020-03-06 | 海宁绿宇纺织科技有限公司 | Anhydrous dyeing disperse dye color paste, preparation method and application |
| CN110952352A (en) * | 2019-11-28 | 2020-04-03 | 吉林化工学院 | Solvent dyeing method of polyester fabric by using disperse dye |
-
2020
- 2020-05-12 CN CN202010396663.5A patent/CN111424440A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1333722A (en) * | 1969-10-16 | 1973-10-17 | Ciba Geigy Ag | Process for dyeing textile materials |
| CN109629251A (en) * | 2017-10-06 | 2019-04-16 | 海宁绿宇纺织科技有限公司 | A kind of non-aqueous media system suitable for disperse dyeing |
| CN110952352A (en) * | 2019-11-28 | 2020-04-03 | 吉林化工学院 | Solvent dyeing method of polyester fabric by using disperse dye |
| CN110862699A (en) * | 2019-11-29 | 2020-03-06 | 海宁绿宇纺织科技有限公司 | Anhydrous dyeing disperse dye color paste, preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| SHENZHENG LI 等: ""Study on the dyeing of PET fiber with disperse dyes in D5 media"", 《ADVANCED MATERIALS RESEARCH》, vol. 331, 2 September 2011 (2011-09-02), pages 334 - 337 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746507A (en) * | 2021-01-08 | 2021-05-04 | 上海工程技术大学 | Dyeing function finishing one-bath one-step dyeing and finishing process |
| CN113072819A (en) * | 2021-02-26 | 2021-07-06 | 上海工程技术大学 | Disperse dye special for anhydrous dyeing system and preparation and application thereof |
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