CN102817194A - Method and device for static dyeing by adopting supercritical fluid - Google Patents
Method and device for static dyeing by adopting supercritical fluid Download PDFInfo
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- CN102817194A CN102817194A CN2012103244244A CN201210324424A CN102817194A CN 102817194 A CN102817194 A CN 102817194A CN 2012103244244 A CN2012103244244 A CN 2012103244244A CN 201210324424 A CN201210324424 A CN 201210324424A CN 102817194 A CN102817194 A CN 102817194A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/14—Containers, e.g. vats
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
- D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
Abstract
The invention discloses a method for static dyeing by adopting supercritical fluid. The method comprises the following steps of: (1) dyeing: placing an object to be dyed in an uptake dyeing system for uptake dyeing; (2) static developing and color fixing with the supercritical fluid: placing the dyed object to be dyed in the step (1) in a supercritical fluid developing and color fixing kettle, and adding the supercritical fluid in the supercritical fluid developing and color fixing kettle for the developing and color fixing of the object to be dyed in the static supercritical fluid; and (3) after the developing and color fixing are completed, eliminating system pressure to recover the supercritical fluid, and opening the supercritical fluid developing and color fixing kettle for taking out the object to be dyed. In the method for static dyeing by adopting supercritical fluid, the supercritical fluid is in a stationary state in the developing and color fixing process, so that the phenomenon of dye migration cannot occur, the dyeing quality is easy to control, and the dyeing system does not need to be cleaned in the replacement of the dyeing color. Meanwhile, the invention also discloses a device for realizing the method for static dyeing by adopting the supercritical fluid.
Description
Technical field
The present invention relates to a kind of method and apparatus that adopts supercritical fluid that fiber, yarn and fabric etc. are dyeed, especially a kind of method and apparatus that adopts supercritical fluid fiber, yarn and fabric etc. to be carried out static dyeing.
Background technology
Traditional textile dyeing is most adopts the water dyeing, and the water dyeing need consume great amount of water resources on the one hand, and the great amount of wastewater that produces has on the other hand seriously been polluted environment.Therefore, the water resources consumption of dyeing and discharge of wastewater problem have seriously restricted the development of national sustainable development strategy and dyeing, and have seriously had influence on the people's quality of life.
The staining technique of research and development of new water-saving and environmental protection becomes pressing for of country, industry and enterprise; Unremitting effort through scientific and technical personnel; In recent years; Successively developed some novel anhydrous or few water staining techniques, but because production cost, control of product quality and production efficiency still there are not a kind of method that can replace water dyeing fully to obtain extensive use at present.
In recent years, the research of supercritical fluid printing technology causes people's attention gradually.The supercritical fluid staining technique is to utilize certain fluid under supercriticality, fiber to be had stronger swelling action and some dyestuff is had solubility property preferably; Can under anhydrous state, make and dye in fiber on dyestuff fast; Thereby realize being a kind of waterless staining technique of novel environment friendly to stock-dye.
Yet because the supercriticality of most of fluid all is in the high pressure-temperature state, the high pressure supercritical dyeing device that makes development be used to produce faces a lot of technical difficult problems and cost is also relatively more expensive; Simultaneously, because whole system equipment is in the high pressure sealing state, makes and in dyeing course, carry out quite difficulty of dyeing quality monitoring; In addition, in system, be in flow regime, make the dyestuff that residues in system equipment, pipeline, the valve clean relatively difficulty, be difficult to adapt to the demand of often changing dyed color in producing owing to dissolved the supercritical fluid of dyestuff.
Therefore; Develop a kind of advantage that can keep supercritical fluid rapid dyeing under anhydrous condition; Have again simultaneously that dyeing is simple, dyeing quality is controlled easily, coloring system need not clean; Equipment drops into cheap supercritical fluid dyeing and process units, is the urgent expectation of current dyeing.
Summary of the invention
The objective of the invention is to overcome the weak point of prior art and provide that a kind of dyeing is simple, dyeing quality is controlled easily, coloring system need not clean, equipment drops into the static colouring method of cheap supercritical fluid; Simultaneously, the present invention also provides a kind of device of realizing the static colouring method of said employing supercritical fluid.
For realizing above-mentioned purpose, the technical scheme of taking of the present invention is: a kind of method that adopts the static dyeing of supercritical fluid said method comprising the steps of:
(1) dyes on: will thing dyed place the system of dying to dye on carrying out;
(2) the static colour developing of supercritical fluid fixation: the thing to be dyed after dying in the step (1) is put into supercritical fluid colour developing fixation still; In said supercritical fluid colour developing fixation still, add supercritical fluid, make and wait to dye thing and in static supercritical fluid, develop the color and fixation;
(3) after colour developing and fixation finished, removal system pressure reclaimed supercritical fluid, opened supercritical fluid colour developing fixation still, and taking-up is waited to dye thing and got final product.
As the preferred implementation of the static colouring method of employing supercritical fluid according to the invention, in the said step (1), wait to dye thing under normal temperature, atmospheric pressure state, adopt the mode of soaking, spray, pad or shifting to make on the dyestuff and dye.
As the preferred implementation of the static colouring method of employing supercritical fluid according to the invention, saidly wait to dye thing liquid carrying rate is 0 ~ 90% after the process through dying on the step (1).
As the preferred implementation of the static colouring method of employing supercritical fluid according to the invention, dye the dyestuff that adopts in the process on the said step (1) and be selected from direct dyes, ACID DYES, REACTIVE DYES, cation dyes, DISPERSE DYES, reducing dye, azo dyes, SULPHUR DYES and do not contain at least a in the former powder of dyestuff of auxiliary agent.
As the preferred implementation of the static colouring method of employing supercritical fluid according to the invention, the supercritical fluid in the said step (2) is selected from least a in water, nitrogen, carbon dioxide, ethane, ethene, propane, propylene, ammonia, methyl alcohol, the ethanol.
As the preferred implementation of the static colouring method of employing supercritical fluid according to the invention, waiting to dye thing static pressure that dyes in supercritical fluid colour developing fixation still in the said step (2) is 1 ~ 60MPa, and temperature is 0 ~ 220 ℃.
As the preferred implementation of the static colouring method of employing supercritical fluid according to the invention, in the said step (2), in supercritical fluid colour developing fixation still, wait to dye that thing develops the color and the time of fixation is 0.5 ~ 5 hour in static supercritical fluid.
As the preferred implementation of the static colouring method of employing supercritical fluid according to the invention, thing said to be dyed is fiber, yarn or fabric; Said fiber comprises natural fabric, synthetic fiber and blend fibre.
In addition, the present invention also provides a kind of device of realizing the static colouring method of above-mentioned said employing supercritical fluid, and said device comprises the system of dying and the static colour developing of supercritical fluid fixation system;
On said the system of dying comprise dye device and with said on dye the dye cell that device is connected;
The static colour developing of said supercritical fluid fixation system comprises the supercritical fluid retracting device that supercritical fluid feeding mechanism, the parallelly connected supercritical fluid more than or that is connected with said supercritical fluid feeding mechanism develop the color the fixation still, are connected with said supercritical fluid colour developing fixation still.
As the preferred implementation of the static dyeing apparatus of employing supercritical fluid according to the invention, said supercritical fluid feeding mechanism comprises fluid reservoir, the fluid pressurization device that is connected with said fluid reservoir and heating or cooling device; Said supercritical fluid colour developing fixation still comprises kettle, be located at the kettle cover sealing device on kettle top, be built in the insulation jacket that treating in the kettle dyed the thing fixture, is located at supercritical fluid import and the supercritical fluid outlet on the kettle and is used to keep the kettle temperature.
The method of the static dyeing of employing supercritical fluid according to the invention will be waited to dye thing earlier and dyed on carrying out in the system last dying, and adopt supercritical fluid to develop the color and fixation in static state then.Because colour developing fixation process supercritical fluid remains static, and the dye migration phenomenon can not take place, dyeing quality directly depends on and dyes quality, thereby solved the uppity difficulty of dyeing quality in the high-pressure supercritical fluid system.Simultaneously, owing to supercritical fluid remains static, in colour developing fixation process; Transport phenomena can not take place in dyestuff; There is not dye discoloration in the supercritical fluid colour developing fixation still of colour developing fixation system and the pipeline, so when changing dyed color, needn't clean coloring system.
The device of the static dyeing of employing supercritical fluid according to the invention; Because in colour developing fixation process, supercritical fluid remains static, and has saved complicated supercritical fluid and has circulated equipment; Whole system equipment is more simple, makes the input of equipment and energy consumption reduce greatly.Simultaneously; Can dispose a plurality of supercritical fluid colour developing fixation stills in the static colour developing of the supercritical fluid fixation system, realize the periodic duty of a plurality of colour developing fixation still, making dyeing produce can carry out incessantly; Greatly improve production efficiency, satisfied the demand of printing and dyeing industry large-scale production fully.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the static dyeing apparatus of employing supercritical fluid according to the invention.
Fig. 2 is for dying the structural representation of a kind of embodiment of system in the static dyeing apparatus of employing supercritical fluid shown in Figure 1.
Fig. 3 is the structural representation of a kind of embodiment of the static colour developing of supercritical fluid fixation system in the static dyeing apparatus of employing supercritical fluid shown in Figure 1.
Fig. 4 is the structural representation of a kind of embodiment of supercritical fluid colour developing fixation still in the static dye fixing of the supercritical fluid shown in Figure 3 system.
Among Fig. 1,100 on dye system, 200 be the static dyeing colour developing of supercritical fluid fixation system, 101 on dye device, 102 is dye cell, 201 is the supercritical fluid feeding mechanism, 202 is the supercritical fluid fixation still that develops the color, 203 is the supercritical fluid retracting device.
Among Fig. 2,110 is guide roller, and 112 is the one-level roll, and 114 is one-level immersion liquid groove, and 116 is the secondary roll, and 118 is secondary immersion liquid groove, and 120 is the dye liquor jar, and 122 is dye liquid pump, and 130 dye the embryo yardage roll on not, 132 on dye back embryo yardage roll.
Among Fig. 3,210 is No. 1 supercritical fluid colour developing fixation still, and 212 is No. 2 supercritical fluid colour developing fixation stills; 220 is carbon dioxide storage tank, and 222 is carbon-dioxide gas compressor, and 224 is CO; 230 is the carbon dioxide recovery storage tank; The H I is the heat medium outlet, and HO is the heat medium outlet, and V1 ~ V9 is a valve.
Among Fig. 4,211 is kettle, and 213 is the kettle cover sealing device, and 214 for waiting to dye the thing fixture, and 215 is the supercritical fluid import, and 216 are the supercritical fluid outlet, and 218 is insulation jacket, and 240 are thing to be dyed, and the H I is the heat medium outlet, and HO is the heat medium outlet.
The specific embodiment
The present invention is described further the object of the invention, technical scheme and advantage for better explaining below in conjunction with accompanying drawing and specific embodiment.
The invention provides a kind of device that adopts the static dyeing of supercritical fluid; The structural representation of a kind of embodiment of the device of the static dyeing of said employing supercritical fluid shown in accompanying drawing 1,2 and 3; Comprise the system of dying 100 and the static colour developing of supercritical fluid fixation system 200, dye on said system 100 comprise dye device 101 and with said on dye the dye cell 102 that device 101 is connected; The static colour developing of said supercritical fluid fixation system 200 comprises the supercritical fluid retracting device 203 that supercritical fluid feeding mechanism 201, the parallelly connected supercritical fluid more than or that is connected with said supercritical fluid feeding mechanism 201 develop the color fixation still 202, are connected with said supercritical fluid colour developing fixation still 202.
Shown in accompanying drawing 3, the static colour developing of said supercritical fluid fixation system 200, the colour developing and the fixation of fiber, yarn and fabric after being used for dying.Said supercritical fluid feeding mechanism 201; Be used for supercritical fluid being provided to said supercritical fluid colour developing fixation still 202; Difference according to the selection work fluid; The configuration of said supercritical fluid feeding mechanism 201 is also different, but fluid pressurization device 222 and heating or cooling device 224 that ordinary circumstance needs fluid storage tank 220, is connected with said fluid reservoir 220, said pressurized equipment 222 is used to realize supercritical fluid dyeing condition; Said fluid pressurization device 222 can adopt compressor or high-pressure pump etc., and said heating or cooling device 224 can adopt heat exchanger.
Supercritical fluid colour developing fixation still 202 in the static colour developing of the said supercritical fluid fixation system 200 is the core of this coloring system; Shown in accompanying drawing 4, said supercritical fluid colour developing fixation still 202 comprises kettle 211, be located at the kettle cover sealing device 213 of the fast-open type on kettle 211 tops, be built in the insulation jacket 218 that treating in the kettle 211 dyed thing fixture 214, is located at supercritical fluid import 215 and the supercritical fluid outlet 216 on the kettle 211 and is used to keep kettle 211 stationary temperatures.During use; Thing 240 places kettle 211 waits that dying thing fixture 214 fixes with waiting to dye; Supercritical fluid enters into kettle 211 through supercritical fluid import 215; Heat medium gets into insulation jacket 218 keeping the stationary temperature of kettle 211 through heat medium inlet HI, and supercritical fluid static state in kettle 211 is treated and dyed thing 240 fixation that develops the color; After the colour developing fixation finishes, through supercritical fluid outlet 216 supercritical fluid is discharged, HO discharges heat medium through the heat medium outlet, opens kettle cover sealing device 213 then, takes out to wait that dying thing 240 gets final product after the colour developing fixation.
Shown in accompanying drawing 3, said supercritical fluid retracting device 203 is traditionally arranged to be supercritical fluid and reclaims storage tank 230 and be connected in pressure loading valve and the pipeline between the supercritical fluid colour developing fixation still (210,212).Be recovered in and reuse after supercritical fluid reclaims the supercritical fluid process pressurization intensification in the storage tank (230).
Preferably; The static colour developing of said supercritical fluid fixation system 200 also comprises electric meter control system's (not drawing among the figure); Said electric meter control system controls and record parameters such as the pressure of supercritical fluid under the working state of system, temperature, flow, liquid levels, makes operating personnel pass through the adjusting process parameter with control dyeing quality and output.
Adopt the static dyeing apparatus of above-mentioned said supercritical fluid to treat to dye thing to carry out static state when dyeing, can adopt following steps:
(1) dye on: will thing dyed place the system of dying 100 on dye device 101, the dyestuff in the dye cell 102 is joined dyes in the device 101, treat and dye thing and dye on carrying out;
(2) the static colour developing of supercritical fluid fixation: the thing to be dyed after dying in the step (1) is put into supercritical fluid colour developing fixation still 202; From supercritical fluid feeding mechanism 201 output supercritical fluid to supercritical fluid colour developing fixation stills 202; In supercritical fluid colour developing fixation still 202, will wait to dye thing and in static supercritical fluid, develop the color and fixation;
(3) after colour developing and fixation finished, removal system pressure reclaimed supercritical fluid in supercritical fluid retracting device 203, opened supercritical fluid colour developing fixation still 202, and taking-up is waited to dye thing and got final product.
Preferably, in the step (1), according to the difference of waiting to dye thing, dyestuff adopts the mode of soaking, spray, pad or shifting to make on the dyestuff under normal pressure, normal temperature state to dye.Saidly wait to dye thing liquid carrying rate is 0 ~ 90% after the process through dying on the step (1).Adopt in the said step (1) dyestuff to be selected from direct dyes, ACID DYES, REACTIVE DYES, cation dyes, DISPERSE DYES, reducing dye, azo dyes, SULPHUR DYES and do not contain at least a in the former powder of dyestuff of auxiliary agent.
Preferably, the supercritical fluid in the said step (2) is selected from least a in water, nitrogen, carbon dioxide, ethane, ethene, propane, propylene, ammonia, methyl alcohol, the ethanol.Waiting to dye thing static pressure that dyes in supercritical fluid colour developing fixation still in the said step (2) is 1 ~ 60MPa, and temperature is 0 ~ 220 ℃.In the said step (2), in supercritical fluid colour developing fixation still, wait to dye that thing develops the color and the time of fixation is 0.5 ~ 5 hour in static supercritical fluid.
Above-mentioned said thing to be dyed is generally fiber, yarn or fabric.Said fiber comprises natural fabric, synthetic fiber and blend fibre.
Below to adopt the static dyeing apparatus of supercritical fluid of an embodiment of the present invention to carry out static dyeing course with polyester knitting embryo cloth be example, further the present invention will be described.
The supercritical fluid that adopts in the present embodiment is a carbon dioxide.
One, polyester knitting embryo cloth fabric on dye process
As attach a kind of embodiment shown in Fig. 1 and 2 on dye the structural representation of system; Dye on said device 101 comprise with not on dye the guide roller 110 that embryo yardage roll 130 is connected; With one-level immersion liquid groove 114, one-level roll 112 and secondary immersion liquid groove 118, the secondary roll 116 that guide roller 110 is connected successively, be connected with said secondary roll 116 and dye back embryo yardage roll 132; Said dye cell 102 comprises dye liquor jar 120 and dye liquid pump 122; Said one-level immersion liquid groove 114 is connected with dye liquor jar 120 with secondary immersion liquid groove 118, and the dye liquor in the said dye liquor jar 120 is transported in one-level immersion liquid groove 114 and the secondary immersion liquid groove 118 through dye liquid pump 122.
Adopt aforesaid on the system of dying treat and dye when dying on the thing, at first, play the sample toning at the enterprising row of little model machine of special use according to product colour, obtain producing prescription with dye liquor; Then according to formulation selection fuel and according to waiting to dye amount and waiting to dye the disposable configuration dye liquor of liquid carrying rate of thing;
The dye liquor for preparing is added in the dye liquor jar 120 of band stirring, send into one-level immersion liquid groove 114 and secondary immersion liquid groove 118 to dye liquor with the dye liquid pump 122 of scalable flow then;
Dye polyester knitting embryo yardage roll 130 not and embryo cloth is sent into 114 immersion liquid of one-level immersion liquid groove through guide roller 110; Get into one-level roll 112 then and carry out mangle; Get into secondary immersion liquid groove 118 more successively and carry out secondary immersion liquid and mangle with secondary roll 116; Requirement waits that the liquid carrying rate that dyes thing is controlled at 0 ~ 90%, and treating behind the secondary mangle dyed and dyed completion on the thing, must on dye back embryo yardage roll 132.
Two, the static colour developing of supercritical carbon dioxide fixation process
The structural representation of the static colour developing of the supercritical fluid of a kind of embodiment shown in accompanying drawing 1 and 3 fixation system; The static colour developing of said supercritical fluid fixation system comprises supercritical fluid feeding mechanism 201, the supercritical fluid colour developing fixation still (210,212) of two parallel connections that are connected with said supercritical fluid feeding mechanism 201, the supercritical fluid retracting device 203 that is connected with said supercritical fluid colour developing fixation still (210,212).Said supercritical fluid feeding mechanism 201 comprises carbon dioxide storage tank 220, is used to realize the carbon-dioxide gas compressor 222 and the CO 224 of supercritical CO 2 dyeing process conditions.Said supercritical fluid retracting device 203 is a carbon dioxide recovery storage tank 230.
Adopt the static colour developing of aforesaid supercritical fluid fixation system to treat to dye thing to carry out static state when developing the color fixation, operating procedure is following:
1, at first will pass through above-mentioned on the process of dying handled on dye back embryo yardage roll 132 and put into one of them supercritical fluid colour developing fixation still (210 or 212), it is subsequent use to close kettle cover;
2, open heater then, make heat medium supply to CO 224, supercritical fluid colour developing fixation still (210,212), make it reach predefined temperature respectively; Open valve V9, make the carbon dioxide entering carbon dioxide recovery jar 230 in the carbon dioxide storage tank 220 subsequent use;
3, open valve V8, start carbon-dioxide gas compressor 222, make carbon dioxide from carbon dioxide recovery storage tank 230 boost to more than the critical pressure 7.1MPa and satisfy the supercriticality pressure of technological requirement, scope is generally 8 ~ 70MPa;
4, the carbon dioxide entering CO 224 from carbon-dioxide gas compressor 222 heats; Make the temperature of carbon dioxide reach its critical-temperature more than 32 ℃ and satisfy the supercriticality temperature of technological requirement; Scope is generally 35 ~ 200 ℃, and the carbon dioxide after pressurization heats up becomes supercritical carbon dioxide;
5, open valve V1, supercritical carbon dioxide is got in the supercritical fluid colour developing fixation still (210,212), make the interior carbon dioxide of still reach the supercriticality that satisfies technological requirement;
6, valve-off V1 keeps certain hour, and scope generally is 0.5 ~ 5 hour, makes to dye in the dyestuff of embryo cloth under static supercritical carbon dioxide state, to develop the color and fixation;
7, the colour developing fixation finishes, and slowly opens valve V3 and V7, makes the carbon dioxide in the supercritical fluid colour developing fixation still (210,212) slowly get in the carbon dioxide recovery storage tank 230 subsequent use;
8, open valve V2, the carbon dioxide in the emptying supercritical fluid colour developing fixation still (210,212) is opened kettle cover, takes out the terylene yardage roll after dyeing.
Last institute should be noted that; Above embodiment is only in order to technical scheme of the present invention to be described but not to the restriction of protection domain of the present invention; Although the present invention has been done detailed description with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the essence and the scope of technical scheme of the present invention.
Claims (10)
1. a method that adopts the static dyeing of supercritical fluid is characterized in that, may further comprise the steps:
(1) dyes on: will thing dyed place the system of dying to dye on carrying out;
(2) the static colour developing of supercritical fluid fixation: the thing to be dyed after dying in the step (1) is put into supercritical fluid colour developing fixation still; In said supercritical fluid colour developing fixation still, add supercritical fluid, make and wait to dye thing and in static supercritical fluid, develop the color and fixation;
(3) after colour developing and fixation finished, removal system pressure reclaimed supercritical fluid, opened supercritical fluid colour developing fixation still, and taking-up is waited to dye thing and got final product.
2. the method for the static dyeing of employing supercritical fluid as claimed in claim 1 is characterized in that, in the said step (1), waits to dye thing under normal temperature, atmospheric pressure state, adopts the mode of soaking, spray, pad or shifting to make on the dyestuff and dyes.
3. the method for the static dyeing of employing supercritical fluid as claimed in claim 1 is characterized in that, saidly waits to dye thing liquid carrying rate is 0 ~ 90% after the process through dying on the step (1).
4. the method for the static dyeing of employing supercritical fluid as claimed in claim 1; It is characterized in that, dye the dyestuff that adopts in the process on the said step (1) and be selected from direct dyes, ACID DYES, REACTIVE DYES, cation dyes, DISPERSE DYES, reducing dye, azo dyes, SULPHUR DYES and do not contain at least a in the former powder of dyestuff of auxiliary agent.
5. the method for the static dyeing of employing supercritical fluid as claimed in claim 1; It is characterized in that the supercritical fluid in the said step (2) is selected from least a in water, nitrogen, carbon dioxide, ethane, ethene, propane, propylene, ammonia, methyl alcohol, the ethanol.
6. the method for the static dyeing of employing supercritical fluid as claimed in claim 1 is characterized in that, waiting to dye thing static pressure that dyes in supercritical fluid colour developing fixation still in the said step (2) is 1 ~ 60MPa, and temperature is 0 ~ 220 ℃.
7. the method for the static dyeing of employing supercritical fluid as claimed in claim 1 is characterized in that, in the said step (2), in supercritical fluid colour developing fixation still, waits to dye that thing develops the color and the time of fixation is 0.5 ~ 5 hour in static supercritical fluid.
8. the method for the static dyeing of employing supercritical fluid as claimed in claim 1 is characterized in that thing said to be dyed is fiber, yarn or fabric; Said fiber comprises natural fabric, synthetic fiber and blend fibre.
9. the device of the static colouring method of supercritical fluid is adopted in a realization according to claim 1, it is characterized in that, said device comprises the static fixation system that develops the color of the system of dying and supercritical fluid;
On said the system of dying comprise dye device and with said on dye the dye cell that device is connected;
The static colour developing of said supercritical fluid fixation system comprises the supercritical fluid retracting device that supercritical fluid feeding mechanism, the parallelly connected supercritical fluid more than or that is connected with said supercritical fluid feeding mechanism develop the color the fixation still, are connected with said supercritical fluid colour developing fixation still.
10. the device of the static dyeing of employing supercritical fluid as claimed in claim 9 is characterized in that said supercritical fluid feeding mechanism comprises fluid reservoir, the fluid pressurization device that is connected with said fluid reservoir and heating or cooling device; Said supercritical fluid colour developing fixation still comprises kettle, be located at the kettle cover sealing device on kettle top, be built in the insulation jacket that treating in the kettle dyed the thing fixture, is located at supercritical fluid import and the supercritical fluid outlet on the kettle and is used to keep the kettle temperature.
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Effective date of registration: 20220223 Address after: 510145 Room 802, No. 62, shanmulan Road, Liwan District, Guangzhou City, Guangdong Province Patentee after: Chen Zhigang Address before: 510610 west side of the second floor, No. 961, Tianyuan Road, Tianhe District, Guangzhou, Guangdong Patentee before: GUANGDONG EXCELLENT ANHYDROUS DYEING PRINTING TECHNOLOGY Co.,Ltd. |