CN110565406A - Supercritical carbon dioxide dyeing and curing method - Google Patents
Supercritical carbon dioxide dyeing and curing method Download PDFInfo
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- CN110565406A CN110565406A CN201910931336.2A CN201910931336A CN110565406A CN 110565406 A CN110565406 A CN 110565406A CN 201910931336 A CN201910931336 A CN 201910931336A CN 110565406 A CN110565406 A CN 110565406A
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- dyeing
- carbon dioxide
- cloth
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- disperse dye
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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
- D06P1/0032—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
- D06P1/16—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
- D06P1/44—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
- D06P1/607—Nitrogen-containing polyethers or their quaternary derivatives
-
- 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
- D06P1/65181—Compounds containing thiol 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
- D06P1/673—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
-
- 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
- D06P1/94—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 solvents which are in the supercritical state
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
Abstract
the invention provides a supercritical carbon dioxide dyeing and curing method, and relates to the technical field of dyeing and curing methods. The method comprises the following steps: cloth dyeing: putting the cloth into a dyeing device, adding a disperse dye into the dyeing device, wherein the mass of the disperse dye is 1-3% of the mass of the cloth, and adding a color fixing agent, and the mass of the color fixing agent is 5-8% of the mass of the disperse dye; simultaneously introducing carbon dioxide supercritical fluid into the dyeing device, controlling the temperature inside the dyeing device to be 130-160 ℃, the pressure to be 9-12MPa, and the dyeing time to be 40-50 minutes; cooling and discharging: and then, under the condition of keeping the critical temperature unchanged, slowly releasing a drying medium carbon dioxide fluid through a discharge valve in the device, simultaneously cooling the interior of the drying device by using an air cooling device, and taking out the cloth and placing the cloth for 4-6 hours under natural conditions when the temperature of the cloth reaches about 35 ℃.
Description
Technical Field
The invention relates to the technical field of dyeing and curing methods, in particular to a supercritical carbon dioxide dyeing and curing method.
background
The carbon dioxide is converted into a supercritical state under the conditions that the temperature is higher than the critical temperature (31.26 ℃) and the pressure is higher than the critical pressure (72.9atm), a gas-liquid two-phase interface disappears, the density is close to liquid, the viscosity is close to gas, and the diffusion coefficient is 100 times of that of the liquid, so that the carbon dioxide has surprising dissolving capacity, and meanwhile, the carbon dioxide is non-toxic and low in cost, so that the carbon dioxide is widely applied to the textile industry.
In many textile enterprises, the supercritical carbon dioxide technology can be used for dyeing and drying cloth, and when the supercritical carbon dioxide technology is used for drying, the quality of the dried cloth can be improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a supercritical carbon dioxide dyeing and curing method, which solves the problems that the dyeing quality of a plurality of enterprises using supercritical carbon dioxide needs to be further improved and the working efficiency is low.
In order to achieve the above object, the present invention is implemented by the following technical solutions: a supercritical carbon dioxide dyeing and curing method comprises the following steps:
Cloth dyeing: putting the cloth into a dyeing device, adding a disperse dye into the dyeing device, wherein the mass of the disperse dye is 1-3% of the mass of the cloth, and adding a color fixing agent, and the mass of the color fixing agent is 5-8% of the mass of the disperse dye; simultaneously introducing carbon dioxide supercritical fluid into the dyeing device, controlling the temperature inside the dyeing device to be 130-160 ℃, the pressure to be 9-12MPa, and the dyeing time to be 40-50 minutes;
cooling and discharging: and then, under the condition of keeping the critical temperature unchanged, slowly releasing a drying medium carbon dioxide fluid through a discharge valve in the device, simultaneously cooling the interior of the drying device by using an air cooling device, and taking out the cloth and placing the cloth for 4-6 hours under natural conditions when the temperature of the cloth reaches about 35 ℃.
preferably, the fabric before dyeing is treated by sodium benzoylmercaptoacetate, the terylene is padded with 150-300g/L sodium benzoylmercaptoacetate, a solution of 20g/L sodium carbonate is additionally added, the carrying liquid rate is 80%, and after padding, the fabric is dried at room temperature and then is dried for 1-2min at 150-200 ℃. Adding a proper amount of dispersing agent while adding the disperse dye, wherein the component ratio of the dispersing agent to the disperse dye is 120-150 parts. The dispersing agent is 12 alkyl sodium sulfonate. Is 1-2% of the mass of the disperse dye.
The color fixing agent is prepared by using condensation products of dimethylamine, diethylenetriamine and the like and epichlorohydrin, or using condensation products of ammonia, monomethylamine, dimethylamine and epichlorohydrin. The mass of the color fixing agent is 5-8% of that of the disperse dye.
Preferably, the disperse dye can also be used for preparing a dispersing agent, and the proportion is 135 parts of the disperse dye and 20 parts of the dispersing agent.
Preferably, the carbon dioxide fluid is recovered and treated when the carbon dioxide fluid of the drying medium is released, and the carbon dioxide fluid is recycled.
The working principle is as follows: putting the cloth into a dyeing device, adding a disperse dye into the dyeing device, wherein the mass of the disperse dye is 1% -3% of the mass of the cloth, introducing a carbon dioxide supercritical fluid into the dyeing device, controlling the temperature inside the dyeing device to be 130-160 ℃, the pressure to be 9-12MPa, and the dyeing time to be 40-50 minutes.
Has the advantages that:
The invention provides a supercritical carbon dioxide dyeing and curing method. The method has the following beneficial effects: according to the supercritical carbon dioxide dyeing and curing method, the supercritical carbon dioxide technology and the pretreatment technology are combined, and the fabric is subjected to waterless rapid dyeing and color fixing, so that the quality of fabric drying treatment is greatly improved. According to the supercritical carbon dioxide dyeing and curing method, the cloth is uniformly rotated, so that the cloth and the supercritical fluid can be rapidly contacted, and the drying time is greatly shortened. Under the conditions of the color fixing agent, the disperse dye and the pretreatment, good effects can be obtained as long as the pretreatment and the formula are adopted, the temperature is 130-160 ℃, the pressure is 9-12MPa, and the dyeing time is 40-50 minutes, and the indexes of the color fastness, the weather resistance and the like of the water-based printing and dyeing agent reach the same indexes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to different embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
the first embodiment is as follows:
the embodiment of the invention provides a supercritical carbon dioxide dyeing and curing method, which comprises the following steps:
The fabric is treated by sodium benzoylmercaptoacetate before dyeing, the terylene is padded with 100g/L sodium benzoylmercaptoacetate, a solution of 15g/L sodium carbonate is additionally added, the carrying liquid rate is 80%, and after padding, the fabric is dried at room temperature and then is dried for 1-2min at 200 ℃. Adding a curing agent while adding the disperse dye; ammonia, monomethylamine, dimethylamine and epichlorohydrin condensate are used as color fixing agents. The mass of the fixing agent is 5% of the mass of the disperse dye.
Cloth dyeing: putting the cloth into a dyeing device, adding a disperse dye into the dyeing device, wherein the mass of the disperse dye is 1-3% of the mass of the cloth, introducing a carbon dioxide supercritical fluid into the dyeing device, controlling the temperature inside the dyeing device to be 140 ℃, the pressure to be about 11MPa, and the dyeing time to be 40-50 minutes; after dyeing is finished, slowly releasing carbon dioxide fluid as a drying medium through a discharge valve in the device until the carbon dioxide fluid reaches normal pressure, stopping heating of the drying device, simultaneously cooling the interior of the drying device by using an air cooling device, and taking out the cloth and placing the cloth for 4-6 hours under natural conditions when the temperature of the cloth reaches about 35 ℃.
Example two:
The embodiment of the invention provides a supercritical carbon dioxide dyeing and curing method, which comprises the following steps:
The fabric is treated by sodium benzoylmercaptoacetate before dyeing, the terylene is padded with 200g/L sodium benzoylmercaptoacetate, a solution of 20g/L sodium carbonate is additionally added, the carrying liquid rate is 80%, and after padding, the fabric is dried at room temperature and then is dried for 1-2min at 150 ℃. Adding a curing agent while adding the disperse dye; the raw material of the curing agent is a condensate of dimethylamine, diethylenetriamine and the like and epichlorohydrin. The mass of the fixing agent is 8% of the mass of the disperse dye. The dispersing agent is 12 alkyl sodium sulfonate which accounts for 2 percent of the mass of the disperse dye.
Cloth dyeing: putting the cloth into a dyeing device, adding a disperse dye into the dyeing device, wherein the mass of the disperse dye is 1-3% of the mass of the cloth, introducing a carbon dioxide supercritical fluid into the dyeing device, controlling the temperature inside the dyeing device to be 150 ℃, the pressure to be about 10MPa, and the dyeing time to be 40-50 minutes; after dyeing is finished, slowly releasing carbon dioxide fluid as a drying medium through a discharge valve in the device until the carbon dioxide fluid reaches normal pressure, stopping heating of the drying device, simultaneously cooling the interior of the drying device by using an air cooling device, and taking out the cloth and placing the cloth for 4-6 hours under natural conditions when the temperature of the cloth reaches about 35 ℃.
Example three:
The embodiment of the invention provides a supercritical carbon dioxide dyeing and curing method, which comprises the following steps:
The fabric is treated by sodium benzoylmercaptoacetate before dyeing, the terylene is padded with 300g/L sodium benzoylmercaptoacetate, a solution with 20g/L sodium carbonate is additionally added, the carrying liquid rate is 80%, and after padding, the fabric is dried at room temperature and then is dried at 0 ℃ of 150-20 ℃ for 1-2 min. Adding a curing agent while adding the disperse dye; the raw materials of the curing agent use condensation products of dimethylamine, diethylenetriamine and the like and epichlorohydrin, or use condensation products of ammonia, monomethylamine, dimethylamine and epichlorohydrin as color fixing agents. The mass of the fixing agent is 8% of the mass of the disperse dye.
cloth dyeing: putting the cloth into a dyeing device, adding a disperse dye into the dyeing device, wherein the mass of the disperse dye is 1% -3% of the mass of the cloth, introducing a carbon dioxide supercritical fluid into the dyeing device, controlling the temperature inside the dyeing device to be 160 ℃, the pressure to be about 9MPa, and the dyeing time to be 40 minutes; after dyeing is finished, slowly releasing carbon dioxide fluid as a drying medium through a discharge valve in the device until the carbon dioxide fluid reaches normal pressure, stopping heating of the drying device, simultaneously cooling the interior of the drying device by using an air cooling device, and taking out the cloth and placing the cloth for 4-6 hours under natural conditions when the temperature of the cloth reaches about 35 ℃.
When the drying medium carbon dioxide fluid is released, the carbon dioxide fluid is recycled, wherein the component ratio of the disperse dye to the dispersing agent is 150 parts and 2 parts.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A supercritical carbon dioxide dyeing and curing method is characterized by comprising the following steps: cloth dyeing: putting the cloth into a dyeing device, adding a disperse dye into the dyeing device, wherein the mass of the disperse dye is 1-3% of the mass of the cloth, and adding a color fixing agent, and the mass of the color fixing agent is 5-8% of the mass of the disperse dye; simultaneously introducing carbon dioxide supercritical fluid into the dyeing device, controlling the temperature inside the dyeing device to be 130-160 ℃, the pressure to be 9-12MPa, and the dyeing time to be 40-50 minutes;
cooling and discharging: and then, under the condition of keeping the critical temperature unchanged, slowly releasing a drying medium carbon dioxide fluid through a discharge valve in the device, simultaneously cooling the interior of the drying device by using an air cooling device, and taking out the cloth and placing the cloth for 4-6 hours under natural conditions when the temperature of the cloth reaches about 35 ℃.
2. The supercritical carbon dioxide dyeing and curing method according to claim 1, wherein a condensate of dimethylamine, diethylenetriamine or the like with epichlorohydrin or a fixing agent obtained by condensing ammonia, monomethylamine, dimethylamine with epichlorohydrin is used. The mass of the color fixing agent is 5-8% of that of the disperse dye.
3. The supercritical carbon dioxide dyeing and curing method according to claim 1, wherein the fabric before dyeing is treated with sodium benzoylmercaptoacetate, the terylene is padded with 150-300g/L sodium benzoylmercaptoacetate, a solution of 20g/L sodium carbonate is additionally added, the carrying liquid rate is 80%, and after padding, the fabric is dried in the air at room temperature and then is dried in the air at 150-200 ℃ for 1-2 min.
4. the supercritical carbon dioxide dyeing and curing method according to any one of claims 1 to 3, wherein a proper amount of dispersing agent is added while dispersing the dye, and the component ratio is 120 to 150 parts of the dispersing dye, and the dispersing agent accounts for 1 to 2 percent of the mass of the dispersing dye.
5. the supercritical carbon dioxide dyeing and curing method according to any one of claims 1 to 3, wherein the carbon dioxide fluid is recovered and recycled when the drying medium carbon dioxide fluid is released.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931336.2A CN110565406A (en) | 2019-09-29 | 2019-09-29 | Supercritical carbon dioxide dyeing and curing method |
| PCT/CN2019/110051 WO2021056608A1 (en) | 2019-09-29 | 2019-10-09 | Method for dyeing and color-fixing with supercritical carbon dioxide |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910931336.2A CN110565406A (en) | 2019-09-29 | 2019-09-29 | Supercritical carbon dioxide dyeing and curing method |
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| CN110565406A true CN110565406A (en) | 2019-12-13 |
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| CN201910931336.2A Pending CN110565406A (en) | 2019-09-29 | 2019-09-29 | Supercritical carbon dioxide dyeing and curing method |
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| WO (1) | WO2021056608A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113832752A (en) * | 2021-10-27 | 2021-12-24 | 天津工业大学 | Dyeing and finishing method based on supercritical carbon dioxide |
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| CN102296469A (en) * | 2011-07-07 | 2011-12-28 | 苏州大学 | Natural fiber dyeing method in supercritical carbon dioxide fluid |
| WO2017028307A1 (en) * | 2015-08-18 | 2017-02-23 | 香港纺织及成衣研发中心有限公司 | Cotton fiber dye for supercritical co2 fluid dyeing, and method for synthesizing same |
| CN107524020A (en) * | 2017-07-26 | 2017-12-29 | 江苏新瑞贝科技股份有限公司 | A kind of method that synthetic fibers are dyed using supercritical carbon dioxide fluid |
| CN107815900A (en) * | 2017-11-29 | 2018-03-20 | 陕西高华知本化工科技有限公司 | The synthetic method of cotton aldehyde-free colour stabilizer |
| CN107974844A (en) * | 2017-11-14 | 2018-05-01 | 江苏新瑞贝科技股份有限公司 | A kind of colouring method of natural fiber |
-
2019
- 2019-09-29 CN CN201910931336.2A patent/CN110565406A/en active Pending
- 2019-10-09 WO PCT/CN2019/110051 patent/WO2021056608A1/en active Application Filing
Patent Citations (5)
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| CN102296469A (en) * | 2011-07-07 | 2011-12-28 | 苏州大学 | Natural fiber dyeing method in supercritical carbon dioxide fluid |
| WO2017028307A1 (en) * | 2015-08-18 | 2017-02-23 | 香港纺织及成衣研发中心有限公司 | Cotton fiber dye for supercritical co2 fluid dyeing, and method for synthesizing same |
| CN107524020A (en) * | 2017-07-26 | 2017-12-29 | 江苏新瑞贝科技股份有限公司 | A kind of method that synthetic fibers are dyed using supercritical carbon dioxide fluid |
| CN107974844A (en) * | 2017-11-14 | 2018-05-01 | 江苏新瑞贝科技股份有限公司 | A kind of colouring method of natural fiber |
| CN107815900A (en) * | 2017-11-29 | 2018-03-20 | 陕西高华知本化工科技有限公司 | The synthetic method of cotton aldehyde-free colour stabilizer |
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| 蔡再生: "《染整概论（第二版）》", 30 September 2007 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113832752A (en) * | 2021-10-27 | 2021-12-24 | 天津工业大学 | Dyeing and finishing method based on supercritical carbon dioxide |
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| WO2021056608A1 (en) | 2021-04-01 |
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