CN102776790B - Waterless dyeing method of dispersed dye - Google Patents
Waterless dyeing method of dispersed dye Download PDFInfo
- Publication number
- CN102776790B CN102776790B CN2012102380773A CN201210238077A CN102776790B CN 102776790 B CN102776790 B CN 102776790B CN 2012102380773 A CN2012102380773 A CN 2012102380773A CN 201210238077 A CN201210238077 A CN 201210238077A CN 102776790 B CN102776790 B CN 102776790B
- Authority
- CN
- China
- Prior art keywords
- ionic liquid
- dyeing
- disperse dyes
- dye
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Coloring (AREA)
Abstract
The invention relates to a waterless dyeing method of dispersed dye, comprising: (1) taking an ionic liquid as a solvent where the dispersed dye is dissolved; (2) dyeing dacron according to an ionic liquid impregnating method and an ionic liquid hot melt pad dyeing method; and (3) recycling the ionic liquid and the dye by an alcohol or water distillation circulation method. The dyeing method and a formula are simple, and the operation is convenient; during dye bath, since no dyeing auxiliaries such as a dispersing agent and a high temperature leveling agent are needed, the problems of dyeing waste water caused by the dyeing auxiliaries themselves and the toxicity of a carrier are solved; and in addition, the ionic liquid in the residual dyeing liquid and the dye can be recycled.
Description
Technical field
The invention belongs to disperse dyeing method field, particularly a kind of DISPERSE DYES non-aqueous dyeing method.
Background technology
DISPERSE DYES is a large class most important and main in dye industry, and the DISPERSE DYES molecule is less, on structure, containing the ion-type water soluble group, by means of the homogeneous in dye liquor that acts on of dispersant, disperses and is dyeed.Due to DISPERSE DYES utmost point indissoluble solution in water, be difficult to according to a conventional method carry out, therefore, need to adopt more special colouring method.The method adopted at present has three kinds of colouring methods such as support methods, high temperature and high pressure method and hot melt.Add auxiliary agent to improve the diffusion rate of dye molecule simultaneously, dye molecule constantly diffused into by fiber gap expanded and that increase, and with fiber by intermolecular attraction and hydrogen bond set, complete the dyeing to terylene.Traditional disperse dyeing is all by means of multiple auxiliary agent, compound as high temperature levelling agent, dispersant, solubilizer etc., DISPERSE DYES is dispersed in dyeing medium as much as possible, and then under the conditions such as suitable temperature, pressure, pollutant is implemented to dyeing.Dyeing due to the existence of auxiliary agent, stays in dyeing waste-water quite a large amount of dyestuffs after finishing, and causes in dyeing waste-water and contains a large amount of COD, BOD and serious water pollutional load.Direct discharging of waste water is fallen, and the dyestuff dispersion remained in waste water is superfine, more stable again, so it is very difficult to process this type of waste water.In printing and dyeing industry, terylene and BLENDED FABRIC thereof account for absolutely large component, and they all need to be dyeed and stamp by DISPERSE DYES.Therefore, in printing and dyeing mill's waste water composition, the amount of disperse dyeing wastewater is larger, is also more unmanageable, and environmental pollution is also larger.Although existing wastewater processing technology has good treatment effect, specification requirement is high, and investment is large, is processed into relatively this height.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of DISPERSE DYES non-aqueous dyeing method, this colouring method adopts ionic liquid as the dissolution with solvents DISPERSE DYES, only have ionic liquid and DISPERSE DYES in dye bath, do not add the chemical reagent such as levelling agent, dispersant and solubilizer, anhydrous, clean, pollution-free, non-wastewater discharge.
A kind of DISPERSE DYES non-aqueous dyeing method of the present invention, this colouring method is as follows:
(1) using ionic liquid as the dissolution with solvents DISPERSE DYES;
(2) according to ionic liquid dip-dye method and ionic liquid hot melt pad dyeing method, terylene is dyeed;
(3) utilize the method for alcohol or water distillation circulation, to ionic liquid and dyestuff recycling.
Ionic liquid in described step (1) is imidazoles, pyridines or benzimidazole.
Ionic liquid dip-dye method in described step (2) is: DISPERSE DYES consumption (not containing surfactant): 0.01-5%o.w.f, temperature: 90-130 ℃, dyeing time: 30-120min, bath raio: 1:5-50.
Ionic liquid hot melt pad dyeing method in described step (2) is: DISPERSE DYES consumption (not containing surfactant): the 0.5-5% that accounts for the ionic liquid quality, employing two is soaked two and is rolled, liquid carrying rate 50-100%, 70-90 ℃ of preliminary drying 0-15min, 120-220 ℃ of curing fixation 1-10min.
Terylene in described step (2) is Polyester fibre, spun polyester thread, polyester knitting thing or Woven Polyester Fabrics.
The method of the alcohol of described step (3) or water distillation circulation is: after step (2) dyeing finishes cloth 1-20min, add the alcohol or the water washing that account for dye liquor gross weight 10-150% in dye bath, to reduce gradually the solubility of dyestuff, by ionic liquid and dye separation, isolate ionic liquid and DISPERSE DYES after filtration, cleaning solution is isolated alcohol or water and ionic liquid through decompression distillation.
Alcohol in described step (3) is ethanol or isopropyl alcohol, and water is deionized water or running water.
Specifically, the present invention relates to a kind of DISPERSE DYES waterless staining technique, applying above-mentioned ionic liquid is the DISPERSE DYES dye bath that solvent forms, and dacron is carried out to the methods such as anhydrous dip dyeing, anhydrous exhaust dyeing, and the present invention is pollution-free, and waste water produces.
When anhydrous dip dyeing, only contain required DISPERSE DYES and ionic liquid in dye liquor, and necessary wetting agent and lubricant, can in conventional dyeing machine, implement; bath raio should be a bit larger tham conventional dye bath ratio; after being warmed up to predetermined temperature, can maintain the parameter running under this condition, until reach the predetermined degree of depth on fabric.With this understanding, but textile dyeing degree of depth time to time change can utilize dyeing time to control fabric and obtain color depth, do not have dyeing equilibrium.Can illustrate with following example:
The general formula of conventional DISPERSE DYES high temperature and high salt dyeing:
Commercial dye consumption (including multiple auxiliary agent): 0.1-3%o.w.f
Dispersant: 0～5g/L
High temperature levelling agent: 0～5g/L
Bleeding agent: 0～5mg/L
Ammonium dihydrogen phosphate (ADP): 1～8g/L
All the other are water
Bath raio: 1:30-50.
The dip dyeing of anhydrous DISPERSE DYES of the present invention is generally filled a prescription:
DISPERSE DYES consumption (not containing surfactant): 0.01-5%o.w.f
All the other are ionic liquid
Bath raio: 1:5-50.
High-temperature pressure dyeing carries out in airtight container, usually after dye liquor and fabric drop into, after being warming up to 120～135 ℃ with the programming rate of 1～2 ℃/min, maintains this temperature 30-45min, cooling, and decompression, go out cloth, discharge opeing.Go out cloth and pass through again reduction cleaning.The ionic liquid non-aqueous dyeing can be realized dyeing with same method in principle in same equipment, can reach the dye level of hope.In the method for ionic liquid non-aqueous dyeing, dye level is to rely on the length of dyeing time to control basically.Lower in DISPERSE DYES solubility, when dyeing kinetics is very slow, in order to accelerate dyeing, improve the solubility that temperature improves DISPERSE DYES, thereby improve the speed of dyeing.1-20min after dyeing finishes cloth, add the alcohol or the water that account for dye liquor gross weight 1-15% in dye bath, to reduce gradually the solubility of dyestuff, by ionic liquid and dye separation, isolate ionic liquid and DISPERSE DYES after filtration, cleaning solution is isolated alcohol or water and ionic liquid through decompression distillation, and the method will guarantee that the dyestuff dissolved in ionic liquid is minimum, conveniently recycles.
The pad-dry-cure dyeing method is the colouring method of continuous knot dyeing under 185-215 ℃ of dry heat condition.Traditional DISPERSE DYES pad-dry-cure dyeing generally is only applicable to cotton/wash BLENDED FABRIC, but ionic liquid pad-dry-cure dyeing of the present invention can dye pure dacron.
Traditional pad-dry-cure dyeing formula is:
Commercial dye consumption (including multiple auxiliary agent): 1-60g/L
Bleeding agent: 0～5g/L
Levelling agent: 0～5mg/L
Dimethyl formamide: 1～5g/L
All the other are water
Pick-up: 50%～90%
The general formula of hot melt pad dyeing dyeing of anhydrous DISPERSE DYES of the present invention:
DISPERSE DYES consumption (not containing surfactant): the 0.5-5% that accounts for the ionic liquid quality
All the other are ionic liquid
Pick-up: 50%～100%
For ecology and the environmental issue of traditional disperse dyeing, the present invention proposes a cleanliness without any pollution staining technique--DISPERSE DYES non-aqueous dyeing method.Utilize the present invention, during dyeing, without chemical assistants such as other levelling agents, dispersants, dye bath forms very simple, only contains in principle dyestuff and ionic liquid in dye bath; When thick close rope of fabric dress dyeing or during open width dyeing, can add a small amount of lubricant or wetting agent.Ionic liquid, as the solvent of DISPERSE DYES, can dissolve DISPERSE DYES, under the effect of temperature, make these DISPERSE DYES immediately by fibers adsorption and on dye; This dynamic process is continued until that dyeing finishes.After dyeing finishes, ionic liquid and a small amount of unimolecule dyestuff are only arranged in dye bath.1-20min after dyeing finishes cloth, add the alcohol or the water that account for dye liquor gross weight 10-150% in dye bath, to reduce gradually the solubility of dyestuff, by ionic liquid and dye separation, isolate ionic liquid and DISPERSE DYES after filtration, cleaning solution is isolated alcohol or water and ionic liquid through decompression distillation.The method will guarantee that the dyestuff dissolved in ionic liquid is minimum, conveniently recycles.So solvent and the dyestuff after simple process dyeing, do not produce chroma pollution, thoroughly solves the pollution problem of disperse dyeing wastewater.
beneficial effect
(1) while dyeing, dye bath is ionic liquid and DISPERSE DYES, and ionic liquid and DISPERSE DYES can reclaim fully, unlike traditional dye bath water and DISPERSE DYES, does not therefore have the emission problem of the rear waste water of dyeing.
(2) in the dye bath of when dyeing without add the auxiliary agents such as other levelling agents, dispersant, solubilizer, wetting agent as the traditional dyeing method, therefore avoid the dyeing waste-water caused due to auxiliary agent itself to pollute.
(3), owing to there is no dyeing assistant, the dispersion of residual dyestuff in ionic liquid just easily separates.
(4) only have ionic liquid and DISPERSE DYES in dye bath, by filtering and ionic liquid and DISPERSE DYES are isolated in decompression distillation, reclaim ionic liquid and DISPERSE DYES, the dyestuff dissolved in the assurance ionic liquid is minimum, so that the recycling of ionic liquid and dyestuff.
(5) colouring method is convenient, and formula is simple, can save expensive high temperature levelling agent, other auxiliary agents such as dispersant.
(6) the anhydrous disperse dyeing of ionic liquid, without carrier, is avoided the harm to the operator, does not produce discharge of wastewater, can not bring more serious water to pollute.
(7) there are not the discharge of the rear waste water of dyeing, the pollution problem that thoroughly solves disperse dyeing wastewater.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only are not used in and limit the scope of the invention for the present invention is described.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
Anhydrous exhaust dyeing
Disperse scarlet HBGL 0.06g
1-butyl-3-methylimidazole bromine salt ([Bmim] Br) 50g
By pure dacron 2g on normal temperature dyeing machine 90 ℃ of dyeing within 1.5 hours, (first the heating rate with 3 ℃/min is warming up to 60 ℃, be warming up to 90 ℃ with 1 ℃/min again, be incubated 1.5 hours), be cooled to 30 ℃, go out cloth, add the washing of 7g ethanol after 20min, after filtration and decompression distillation, separating ionic liquid and DISPERSE DYES, reclaim ionic liquid and DISPERSE DYES, and the stained specimens Dry Sack is even large red.
Embodiment 2
Anhydrous hot melt pad dyeing dyeing
Disperse scarlet HBGL 0.5g
1-butyl-3-methylimidazole bromine salt ([Bmim] Br) 50g
Pure dacron 5g is padded to dye liquor (two soak two rolls), 70% → 90 ℃ of preliminary drying 15min of liquid carrying rate → (215 ℃ of high temperature curing fixations, 3min), be cooled to 30 ℃, go out cloth, add the 50g water washing after 20min, after filtration and decompression distillation, separating ionic liquid and DISPERSE DYES, reclaim ionic liquid and DISPERSE DYES, and the stained specimens Dry Sack is evenly red.
Claims (7)
1. a DISPERSE DYES non-aqueous dyeing method comprises:
(1) using ionic liquid as the dissolution with solvents DISPERSE DYES;
(2) according to ionic liquid dip-dye method and ionic liquid hot melt pad dyeing method, terylene is dyeed;
(3) utilize the method for alcohol or water distillation circulation, to ionic liquid and dyestuff recycling;
Wherein ionic liquid is 1-butyl-3-methylimidazole bromine salt; DISPERSE DYES is disperse scarlet HBGL.
2. a kind of DISPERSE DYES non-aqueous dyeing method according to claim 1, it is characterized in that: the ionic liquid exhaust process parameter in described step (2) is: DISPERSE DYES consumption: 0.01-5%o.w.f, temperature: 90-130 ℃, dyeing time: 30-120min; bath raio: 1:5-50, dyeing is cooled to 20-30 ℃ after finishing.
3. a kind of DISPERSE DYES non-aqueous dyeing method according to claim 1, it is characterized in that: the ionic liquid hot melt knot dyeing technology parameter in described step (2) is: DISPERSE DYES consumption: the 0.5-5% that accounts for the ionic liquid quality, employing two is soaked two and is rolled, liquid carrying rate 50-100%, 70-90 ℃ of preliminary drying 0-15min, 120-220 ℃ of curing fixation 1-10min, dyeing is cooled to 20-30 ℃ after finishing.
4. a kind of DISPERSE DYES non-aqueous dyeing method according to claim 1, it is characterized in that: the terylene in described step (2) is Polyester fibre, spun polyester thread, polyester knitting thing or Woven Polyester Fabrics.
5. a kind of DISPERSE DYES non-aqueous dyeing method according to claim 1, it is characterized in that: the method for the alcohol of described step (3) or water distillation circulation is: after step (2) dyeing finishes cloth 1-20min, add the alcohol or the water washing that account for dye liquor gross weight 10-150% in dye bath, by ionic liquid and dye separation, isolate ionic liquid and DISPERSE DYES after filtration, cleaning solution is isolated alcohol or water and ionic liquid through decompression distillation.
6. a kind of DISPERSE DYES non-aqueous dyeing method according to claim 1, it is characterized in that: the alcohol in described step (3) is ethanol or isopropyl alcohol.
7. a kind of DISPERSE DYES non-aqueous dyeing method according to claim 1, it is characterized in that: the water in described step (3) is deionized water or running water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102380773A CN102776790B (en) | 2012-07-10 | 2012-07-10 | Waterless dyeing method of dispersed dye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102380773A CN102776790B (en) | 2012-07-10 | 2012-07-10 | Waterless dyeing method of dispersed dye |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102776790A CN102776790A (en) | 2012-11-14 |
| CN102776790B true CN102776790B (en) | 2013-12-11 |
Family
ID=47121887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102380773A Expired - Fee Related CN102776790B (en) | 2012-07-10 | 2012-07-10 | Waterless dyeing method of dispersed dye |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102776790B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436073A (en) * | 2013-07-30 | 2013-12-11 | 东华大学 | Water-based dispersion liquid dye ink for ink jetting and printing of polyester textile |
| CN103938462B (en) * | 2014-04-16 | 2016-08-17 | 东华大学 | A kind of anhydrous, disperse dyeing method of zero-emission |
| CN105780465A (en) * | 2014-12-22 | 2016-07-20 | 常熟市虹桥印染有限公司 | Dyeing method of coral fleece textile |
| CN106283715A (en) * | 2015-05-29 | 2017-01-04 | 杭州航民达美染整有限公司 | It is applicable to the staining of fabrics of polyester |
| CN108951226B (en) * | 2018-08-01 | 2020-10-02 | 河北科技大学 | Anhydrous dyeing medium based on ionic liquid, anhydrous dyeing method and dyeing medium recycling method |
| CN109403073A (en) * | 2018-10-10 | 2019-03-01 | 上海硕翼机电设备有限公司 | A kind of disperse dyes water-organic solvent colouring method |
| CN110106718B (en) * | 2019-04-12 | 2021-10-15 | 江苏意瑞达纺织科技有限公司 | Preparation method of double-color effect warp-knitted pile fabric |
| CN111364258A (en) * | 2020-04-02 | 2020-07-03 | 桐乡市新开源制衣有限公司 | Hot-melting dyeing process of woven fabric |
| CN111521511A (en) * | 2020-06-08 | 2020-08-11 | 大连工业大学 | Determination of dye in supercritical CO2Device and method for neutralizing solubility |
| CN112832039B (en) * | 2021-01-25 | 2023-02-03 | 上海工程技术大学 | One-bath two-step dyeing process suitable for polyester-cotton blended fabric |
| CN115387137B (en) * | 2022-10-09 | 2023-10-13 | 内蒙古工业大学 | Modified chlorophyll dye transfer printing method for polyester fabric |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51123372A (en) * | 1975-04-21 | 1976-10-28 | Teijin Ltd | Method of dyeing synthetic fiber consisting of polyester |
| CN100491606C (en) * | 2005-11-22 | 2009-05-27 | 东华大学 | Method for recovering solvent in preparing acrylic fibers using ion liquid as solvent |
| CN101659747B (en) * | 2009-09-29 | 2011-07-27 | 东华大学 | Method for synthesizing polybenzimidazole by taking ionic liquid as solvent |
-
2012
- 2012-07-10 CN CN2012102380773A patent/CN102776790B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102776790A (en) | 2012-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102776790B (en) | Waterless dyeing method of dispersed dye | |
| CN102618078B (en) | Disperse dye composition, dyeing method and preparation method of disperse dye composition | |
| CN102964870B (en) | Active black dye composition | |
| WO2017147942A1 (en) | Reactive dye bath for textile and dyeing method | |
| CN104594073B (en) | Wet-aftertreatment-free non-aqueous solvent dyeing method for reactive dyes | |
| CN103498348B (en) | A kind of salt-free low alkali colouring method shortening the reactive dyeing time | |
| CN104746361B (en) | A kind of method of Non-water washing reactive dye non-aqueous solvent dyeing | |
| CN102618079A (en) | Disperse dye composite, dyeing method and preparation method for disperse dye composite | |
| CN105908534B (en) | A kind of viscose cheese dyeing | |
| CN103015231A (en) | Method for dyeing textile by dye liquor prepared by mutually dissolving organic solvent and water | |
| CN105421105B (en) | A kind of polyester-cotton blend disperse dyes and reactive dye One Bath Dyeing Process | |
| CN108677562B (en) | Pre-treatment-free dyeing method for polyester-cotton blended fiber | |
| CN103485198A (en) | Active dye-decamethylcyclopentasiloxane suspension system dyeing process of cotton fabric | |
| CN103556495A (en) | Method for dyeing terylene textile | |
| CN109881503A (en) | A kind of nylon fabric reactive dyeing processing method | |
| CN102618080A (en) | Disperse dye composition, dyeing method and preparation method of disperse dye composition | |
| CN104195850A (en) | One bath process-based desizing dyeing method of size-containing polyester fabrics and special auxiliaries for dyeing method | |
| CN108755176A (en) | One kind washing bright and beautiful polyurethane fabric One Bath Dyeing Process | |
| CN109082912B (en) | Continuous padding dyeing method for polyester fabric by steaming-boiling-free washing process and polyester fabric | |
| CN103643547B (en) | The colouring method of PSA fiber/viscose blend fabric | |
| CN106758378B (en) | A kind of textile dyeing increases deep functional agent and preparation method thereof, application | |
| CN113089341A (en) | Production process of polyester cotton fabric with high color fastness | |
| CN107604711A (en) | A kind of cotton fiber continuous dyeing method | |
| CN109505160A (en) | A kind of textile dyeing and printing technique | |
| CN108716148A (en) | A kind of dyeing of blended yarn weaved fabric |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20160710 |