CN105032697A - Supercritical carbon dioxide shell button dyeing kettle and dyeing process thereof - Google Patents
Supercritical carbon dioxide shell button dyeing kettle and dyeing process thereof Download PDFInfo
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- CN105032697A CN105032697A CN201510413386.3A CN201510413386A CN105032697A CN 105032697 A CN105032697 A CN 105032697A CN 201510413386 A CN201510413386 A CN 201510413386A CN 105032697 A CN105032697 A CN 105032697A
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Abstract
The invention discloses a supercritical carbon dioxide shell button dyeing kettle and a dyeing process thereof. The dyeing kettle comprises a kettle body, wherein a carbon dioxide fluid and dye inlet and a carbon dioxide fluid and dye outlet are formed in the bottom of the kettle body. Carbon dioxide fluid and dye on the bottom flow into the kettle body during dyeing to impact buttons and drive the buttons for non-static dyeing, so that the buttons are made to move under the variable-speed impact of airflow, and dyeing defects at the positions where the buttons are overlapped are avoided. Meanwhile, due to the fact that the bottom of a cylinder body of the dyeing kettle is designed to be of an inverted trapezoid structure, the situation that the buttons can not make contact with the carbon dioxide fluid carrying the disperse dye to cause dyeing failure is avoided. By the adoption of the dyeing process, buttons in rich and complete colors can be obtained, aftertreatment such as cleaning and drying does not need to be conducted on dyed products, waterless dyeing is achieved in the whole process, production cost is reduced, dyeing quality is improved, and environment pollution is reduced.
Description
Technical field
The invention belongs to technical field of textile printing, relate to supercritical CO 2 dyeing still, particularly supercritical carbon dioxide shell button dyeing caldron and dyeing thereof.
Background technology
China is the country of a shortage of water resources, and water resource environment is also in continuous deterioration, and add the waste with water, Situation of water resources allows of no optimist especially.The traditional water bath dyeing of button, main is medium with water, in dyeing course, the chemical substances such as a large amount of dyestuffs, auxiliary agent and surfactant cause severe contamination to environment, resistant to elevated temperatures colouring agent kind is few, colour system is incomplete, add Masterbatch causes button production process unstable, governs the sustainable development of garment accessories industry.The requirement of 2l century commute controlling, high efficiency, nonstaining property and reusable edible is more and more outstanding.The supercritical carbon dioxide waterless staining technique developed in last century end is considered to a kind of " green, sustainable development " technology because of outstanding features such as it is pollution-free, short route, high efficiency, and enjoys favor.
At present, supercritical CO 2 dyeing technology has obtained interim progress as a kind of novel green dyeing-finishing technology, comparatively ripe to the associating exploratory development of its process conditions, dyeing mechanism and dyeing installation.And the supercritical fluid dyeing research of garment accessories seldom, supercritical CO 2 dyeing technology is not also adopted to carry out the dyeing of the garment accessories such as button at present.On the other hand, because button compact structure, quality are comparatively large, the mode according to the static state of routine is deposited in and dyes together, can cause forcing together of button and button consolidation, the overlapping of button and button there will be uneven dyeing and contaminates not saturating phenomenon, causes button dyeing speck.
Summary of the invention
An object of the present invention is to provide supercritical carbon dioxide shell button dyeing caldron, button is driven to dye in non-static mode by CO 2 fluid, thus the overlapping solving button and button when adopting the supercritical CO 2 dyeing still of prior art there will be uneven dyeing and contaminates not saturating, causes the problem of button dyeing speck.
Above-mentioned purpose of the present invention adopts following technical scheme to realize.
A kind of supercritical carbon dioxide shell button dyeing caldron, comprise kettle, the upper end of described kettle is provided with sealing kettle cover, and the bottom of described kettle is provided with CO 2 fluid and dyestuff entrance, and the top of described kettle is provided with CO 2 fluid and dyestuff outlet.
As preferred technical scheme, described dyeing caldron also comprises cylindrical shell, and described cylindrical shell is placed in kettle, and the bottom of described cylindrical shell is provided with opening, described opening is corresponding with described CO 2 fluid and dyestuff entrance, and described opening part is provided with the curved surface netware protruded to inner barrel.During dyeing, described shell button is placed in cylindrical shell, and the supercritical carbon dioxide fluid carrying dyestuff flows into cylindrical shell by bottom opening, impacts button and drives button to dye in non-static mode.Flow velocity also by controlling supercritical carbon dioxide fluid realizes the change of air-flow, thus button is moved under the gear shift shock of air-flow, avoids the dyeing speck of button and button overlapping.The mesh aperture preferably 1 ~ 2mm of curved surface netware, the preferred stainless steel of material.Curved surface netware dispersibles CO 2 fluid and dyestuff, thus dyeing evenly.
As preferred technical scheme, the bottom of described cylindrical shell is inverted trapezoidal structure, adopts this structure that button can be avoided to be deposited in cylinder body bottom and occurs dead angle, to prevent uneven dyeing.The bottom of wherein said cylindrical shell refers to the periphery of curved surface netware.
As preferred technical scheme, the hypotenuse of described inverted trapezoidal structure and the angle of horizontal plane are 20 ~ 50 degree, and CO 2 fluid impacts button to adopt this angle effectively to ensure, thus avoid button overlap and pile up, and effectively prevent uneven dyeing.
As preferred technical scheme, the bottom opening place of described cylindrical shell is provided with chassis with holes, is positioned at the below of described curved surface netware.The aperture on described chassis with holes is preferably 3mm, the preferred stainless steel of material.Chassis with holes can, to CO 2 fluid and dyestuff filtration, avoid impurity etc. to enter cylindrical shell.
As preferred technical scheme, described chassis with holes and curved surface netware are all dynamically connected with the opening movable of cylinder body bottom, adopt this structure to be convenient to dismounting and washing, improve staining efficiency.
As preferred technical scheme, the upper end of described cylindrical shell is provided with lid with holes.Adopting this structure, be convenient to dress and get button, namely when not opening lid, directly can load button by the hole of lid with holes during practical application, after dyeing terminates, also when not opening lid, directly can take out button by the hole of lid with holes.On the other hand, described lid with holes also can the rate of outflow of moderate control CO 2 fluid and dyestuff.
As preferred technical scheme, described lid with holes is provided with draw ring, is conveniently pulled out by cylindrical shell.
As preferred technical scheme, described sealing kettle cover is flexibly connected with described kettle by opening clip soon.
As preferred technical scheme, the periphery of described kettle is provided with heating jacket, and in order to heating and insulation, the bottom of described heating jacket is provided with thermal medium entrance, and top is provided with thermal medium outlet.
As preferred technical scheme, described cylindrical shell is provided with cylindrical shell twist portion, described kettle is provided with kettle twist portion, described cylindrical shell and kettle, is connected with kettle twist portion by cylindrical shell twist portion.
Another object of the present invention is to provide the technique adopting above-mentioned supercritical carbon dioxide shell button dyeing caldron to carry out shell button dyeing.
As preferred technical scheme, the dyeing condition of described shell button dyeing is: supercritical carbon dioxide fluid flow velocity is 10 ~ 40g/min, and dyeing temperature in the kettle is 75 ~ 95 DEG C, and in dyeing caldron, pressure is 15 ~ 28MPa, and dyeing time is 40 ~ 90min; The dyestuff that wherein said dyeing adopts is the dye of positive ion, before described shell button dyeing, carry out pretreatment, preprocess method used is: immersed by shell button in the ammonia spirit of 0.05 ~ 0.2mol/L, under 25 DEG C of conditions, soak 4 ~ 8 hours, soak and terminate rear directly drying after surface moisture for dyeing.Dyeing terminates rear step-down makes dyestuff be separated with carbon dioxide, reclaims respectively, and take out stained specimens, sample is without post processings such as cleaning-dryings.The change that the color sample depth accounts for the factors such as the percentage composition of shell button mainly through dyeing time, dyeing temperature, dyestuff controls.The metering of described supercritical carbon dioxide fluid flow velocity is for standard with the supercritical carbon dioxide that flows through per minute and the common quality of the dye of positive ion.
As preferred technical scheme, the quality of the described dye of positive ion accounts for 1 ~ 5% of shell button quality, is preferably 2 ~ 3%.
As preferred technical scheme, the dye liquor of the described dye of positive ion, after dissolving the dye of positive ion with 50% ethanol water, adds ammoniacal liquor and obtain, by volume percentage composition ammoniacal liquor add that volume accounts for described 50% ethanol water volume 1% ~ 3%.Described ammoniacal liquor is concentrated ammonia liquor, and concentration is 22 ~ 25%.
As preferred technical scheme, the described dye of positive ion is cationic pink fg, cationic yellow 2RL, the blue RL of Titration.
When undressed shell button dyes in supercritical carbon dioxide, dyestuff is difficult to dispersion and enters in button material molecule, and therefore Color is not obvious, and Dry Sack is very shallow.The present invention passes through the ammonia spirit of employing 0.05 ~ 0.2mol/L under 25 DEG C of conditions, and soak 4 ~ 8 hours, carry out pretreatment, Color significantly improves, and obtains color depth and obviously deepens.In described pretreatment, ammoniacal liquor as dyeing auxiliaries, because it to create the etching of trace to button surface, the etching of this trace make dyestuff more easily on contaminate shell button, improve dyestuff to the penetrating power of button, improve Color.
Described above in Supercritical carbon dioxide fluid dyeing process, the supercritical carbon dioxide carrying disperse dyes enters dyeing autoclave body bottom by certain speed by carbon dioxide and dyestuff entrance, the chassis with holes be provided with by dyeing caldron cylinder body bottom and curved surface netware enter cylindrical shell, form eddy airstream to dye, the carbon dioxide carrying part disperse dyes flows out from carbon dioxide outlet, form circulation, in dyeing caldron, button circulating along with supercritical carbon dioxide, completes dyeing gradually.The molecular dynamics mechanism that the supercritical carbon dioxide carrying disperse dyes carries out button dyeing in cylindrical shell is: the dyestuff be dissolved in supercritical carbon dioxide fluid enters Dynamic Boundary layer near material interface gradually, when dyestuff is after material interface, rely on the diffusion of self close to material, when molecular force is enough large, dyestuff is by materials adsorption, inside and outside material, form dye strength difference, complete the absorption set of dyestuff, thus realize the non-aqueous dyeing of supercritical carbon dioxide fluid.
Beneficial effect of the present invention: the invention provides a kind of new supercritical carbon dioxide shell button dyeing caldron, this dyeing caldron is provided with CO 2 fluid and dyestuff entrance in the bottom of kettle, and top is provided with outlet, during dyeing, bottom silicon dioxide carbon fluid and dyestuff flow into kettle, impact button and drive button to dye in non-static mode, flow velocity also by controlling supercritical carbon dioxide fluid realizes the change of air-flow, thus button is moved under the gear shift shock of air-flow, avoid the dyeing speck of button and button overlapping.Simultaneously the cylinder body bottom of dyeing caldron of the present invention is designed to inverted trapezoidal structure, effectively prevents from button from not reaching carrying the CO 2 fluid of disperse dyes and the problem that cannot dye.Adopt dyeing of the present invention, can obtain color and luster and enrich complete button, the product after dyeing does not need to carry out post processings such as cleaning, dry, realizes overall process non-aqueous dyeing, saves production cost, and improves dyeing quality, reduces environmental pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation of supercritical carbon dioxide shell button dyeing caldron of the present invention;
Wherein, 1, kettle, 2, sealing kettle cover, 3, cylindrical shell, 4, CO 2 fluid and dyestuff entrance, 5, CO 2 fluid and dyestuff outlet, 6, curved surface netware, 7, inverted trapezoidal structure, 8, lid with holes, 9, chassis with holes, 10, draw ring, 11, open clip soon, 12, heating jacket, 13, thermal medium entrance, 14, thermal medium outlet, 15, cylindrical shell twist portion, 16, kettle twist portion, 17, opening.
Detailed description of the invention
Following non-limiting example can make the present invention of those of ordinary skill in the art's comprehend, but does not limit the present invention in any way.
Embodiment 1 ~ 8
A kind of supercritical carbon dioxide button dyeing caldron, as shown in Figure 1, this dyeing caldron comprises kettle and cylindrical shell, the upper end of described kettle is provided with sealing kettle cover, sealing kettle cover is flexibly connected with described kettle by opening clip soon, and the periphery of described kettle is provided with heating jacket, in order to heating and insulation, the bottom of described heating jacket is provided with thermal medium entrance, and top is provided with thermal medium outlet; Described cylindrical shell is placed in kettle, and the bottom of described kettle is provided with CO 2 fluid and dyestuff entrance, and the top of described kettle is provided with CO 2 fluid and dyestuff outlet; The bottom of described cylindrical shell is provided with opening, described opening is corresponding with described CO 2 fluid and dyestuff entrance, described opening part is provided with the curved surface netware protruded to inner barrel and the chassis with holes be positioned at below it, the mesh aperture of described curved surface netware is 1 ~ 2mm, the aperture on described chassis with holes is 3mm, described curved surface netware and chassis with holes are all movably connected on the bottom of cylindrical shell, are convenient to dismounting and cleaning.The bottom of described cylindrical shell is inverted trapezoidal structure, and the angle of its hypotenuse and horizontal plane is 40 degree.The upper end of described cylindrical shell is provided with lid with holes, and described lid with holes is provided with draw ring.Cylindrical shell is provided with cylindrical shell twist portion, described kettle is provided with kettle twist portion, described cylindrical shell and kettle, is connected with kettle twist portion by cylindrical shell twist portion.When practical application, dyestuff still is outside equipped with at dyeing caldron, reaching supercritical carbon dioxide passes in dyestuff still, dissolve dyestuff wherein, then the supercritical carbon dioxide with disperse dyes is passed into certain speed in the cylindrical shell of dyeing caldron and dye, form eddy airstream to dye, the carbon dioxide carrying part disperse dyes flows out from carbon dioxide outlet, get back in dyeing caldron, form circulation, in dyeing caldron, button circulating along with supercritical carbon dioxide, completes dyeing gradually.Miss the season when carbon dioxide damages, in dyestuff still, supplement supercritical carbon dioxide, the supercritical carbon dioxide carrying disperse dyes reenters dyeing caldron by carbon dioxide entrance.
Adopt supercritical carbon dioxide shell button dyeing caldron as shown in Figure 1 to carry out the dyeing of shell button, dyeing comprises the steps:
(1) pretreatment of shell button: immersed by shell button in the ammonia spirit of 0.05 ~ 0.2mol/L, under 25 DEG C of conditions, soaks 4 ~ 8 hours, soaks and terminates rear directly drying after surface moisture for dyeing;
(2) open the dyeing caldron of supercritical carbon dioxide shell button dyeing apparatus, the draw ring utilizing the lid with holes of dyeing caldron inner barrel to be provided with proposes whole cylindrical shell, is evenly placed in cylindrical shell by shell button good for pretreatment, puts back to cylindrical shell;
(3) open refrigeration system and high-pressure system, more than carbon dioxide pressurization to critical pressure, then by heater, carbon dioxide is heated to more than critical point temperature, makes carbon dioxide reach supercriticality;
(4) the dye liquor preparation of the dye of positive ion: after dissolving the dye of positive ion with 50% ethanol water, add ammoniacal liquor, by volume the addition of percentage composition ammoniacal liquor is 1% ~ 3% of 50% ethanol water volume, forms dye liquor, wherein said ammoniacal liquor is concentrated ammonia liquor, and concentration is 22 ~ 25%;
(5) dye liquor is poured in dyestuff still, supercritical carbon dioxide dissolving dye is passed in dyestuff still, supercritical carbon dioxide with dyestuff to be passed in the cylindrical shell in dyeing caldron by dyestuff still with the speed of 10 ~ 40g/min simultaneously, utilize heater to make dyeing temperature in the kettle reach 75 ~ 95 DEG C, keep temperature constant; Open high-pressure system, pressure in dyeing caldron is made to reach 15 ~ 28MPa, keep constant pressure, dye 40 ~ 90min under constant temperature and pressure, reach setting-up time Coloration experiment and terminate rear closedown high-pressure pump, the circulatory system and heating system, then release of pressure make fluid remain on 7.9Mpa, carry out the recovery of carbon dioxide and dyestuff under 30 degree; Continue release of pressure to normality, take out dyeing button; The speed wherein passing into the supercritical carbon dioxide in dyestuff still is identical with the speed that the supercritical carbon dioxide with dyestuff passes into dyeing caldron cylindrical shell by dyestuff still, ensures the dynamic equilibrium of CO 2 fluid in dyestuff still with this.
Table 1 is the dyeing condition adopted in embodiment 1 ~ 8, is specially: pretreatment ammonia concn, the soak time in ammoniacal liquor, dyestuff account for percentage composition (" dye content " in table 1), dyeing pressure, dyeing temperature, dyeing time and the fluid flow etc. of polyester button quality.In embodiment 1 ~ 8, the dye of positive ion of use is the blue RL of Titration.
Table 2 is the characterisitic parameter of the product obtained of dyeing under adopting the dyeing condition of embodiment 1 ~ 8, is specially: use Color-Eye7000A fabric color measurement and color match instrument to record its apparent color depth K/S value; The fastness to soaping of dyeing button is detected according to GB-T3921, and the variable color fastness recording button by GB-T250, the staining fastness of fabric is recorded by GB-T251; Detect the colour fastness to rubbing of dyeing button according to GB-T3920, recorded dry, the wet staining fastness of button by GB-T251; Detected the sunlight fastness of button by GB730, and record the colour fasteness to sunlight of button; Detect the color fastness to hot pressing of dyeing button according to GB-T6152, the variable color fastness recording button by GB-T250, is recorded the staining fastness of fabric by GB-T251.
The dyeing condition adopted in table 1. embodiment 1 ~ 8
Table 2. dyes under adopting the dyeing condition of embodiment 1 ~ 8 characterisitic parameter of the product obtained
The result of table 2 is visible, method of the present invention is adopted to carry out the dyeing of shell button, it is apparent that color depth K/S value can reach 6 ~ 18, illustrate that this method can obtain the button of various depth color by adjusting process condition, and its color fastness to washing, colour fastness to rubbing major part can reach 4 or 3 ~ 4 grades, it has good washability and crocking resistance, and its color fastness to hot pressing and colour fasteness to sunlight all reach 3 ~ 4 or 4 grades, illustrate its resistance to hot pressing and colour fasteness to sunlight better.
Claims (10)
1. supercritical carbon dioxide shell button dyeing caldron, comprise kettle (1), the upper end of described kettle (1) is provided with sealing kettle cover (2), it is characterized in that: the bottom of described kettle (1) is provided with CO 2 fluid and dyestuff entrance (4), the top of described kettle is provided with CO 2 fluid and dyestuff outlet (5).
2. supercritical carbon dioxide shell button dyeing caldron according to claim 1, it is characterized in that: described dyeing caldron also comprises cylindrical shell (3), described cylindrical shell (3) is placed in kettle (1), the bottom of described cylindrical shell (3) is provided with opening (17), described opening (17) is corresponding with described CO 2 fluid and dyestuff entrance (4), and described opening (17) place is provided with the curved surface netware (6) protruded to cylindrical shell (3) inside.
3. supercritical carbon dioxide shell button dyeing caldron according to claim 2, is characterized in that: the bottom of described cylindrical shell (3) is inverted trapezoidal structure (7).
4. supercritical carbon dioxide shell button dyeing caldron according to claim 3, is characterized in that: the hypotenuse of described inverted trapezoidal structure (7) and the angle of horizontal plane are 20 ~ 50 degree.
5. supercritical carbon dioxide shell button dyeing caldron according to claim 2, it is characterized in that: opening (17) place of described cylindrical shell (3) is provided with chassis with holes (9), described chassis with holes (9) is positioned at the below of described curved surface netware (6).
6. supercritical carbon dioxide shell button dyeing caldron according to claim 2, it is characterized in that: the upper end of described cylindrical shell (3) is provided with lid with holes (8), described lid with holes (8) is provided with draw ring (10).
7. supercritical carbon dioxide shell button dyeing caldron according to claim 2, is characterized in that: the mesh aperture of described curved surface netware (6) is 1 ~ 2mm.
8. a shell button supercritical CO 2 dyeing technique, is characterized in that: adopt the supercritical carbon dioxide shell button dyeing caldron described in any one of claim 1 ~ 7 to dye.
9. dyeing according to claim 8, it is characterized in that: the dyeing condition of described dyeing is: supercritical carbon dioxide fluid flow velocity is 10 ~ 40g/min, dyeing temperature in the kettle is 75 ~ 95 DEG C, and in dyeing caldron, pressure is 15 ~ 28MPa, and dyeing time is 40 ~ 90min;
The dyestuff that wherein said dyeing adopts is the dye of positive ion, before described shell button dyeing, carry out pretreatment, described preprocess method is: immersed by shell button in the ammonia spirit of 0.05 ~ 0.2mol/L, under 25 DEG C of conditions, soak 4 ~ 8 hours, soak and terminate rear directly drying after surface moisture for dyeing.
10. dyeing according to claim 9, it is characterized in that, the quality of the described dye of positive ion accounts for 1 ~ 5% of shell button quality, the dye liquor of the described dye of positive ion is after dissolving the dye of positive ion with 50% ethanol water, add ammoniacal liquor to obtain, by volume percentage composition ammoniacal liquor add that volume accounts for described 50% ethanol water volume 1% ~ 3%.
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| CN201510413386.3A CN105032697B (en) | 2015-07-14 | 2015-07-14 | Supercritical carbon dioxide shell button dyeing caldron and its dyeing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105415956A (en) * | 2015-12-02 | 2016-03-23 | 安徽金信地首饰有限公司 | Acid dye dyeing process for shells |
| US20180355536A1 (en) * | 2016-11-21 | 2018-12-13 | Dalian Polytechnic University | Multifunctional dyeing and finishing kettle and industrialized supercritical co2 fluid anhydrous dyeing and finishing apparatus with a scale over 1000 liters |
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| CN103086414A (en) * | 2013-01-31 | 2013-05-08 | 南昌航空大学 | Method for preparing high-purity calcite calcium carbonate micropowder through shell hydro-thermal treatment |
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| DE2305169A1 (en) * | 1972-02-04 | 1973-08-09 | Alan Carrol | Laboratory dyeing vessel - with a ptfe coated magnetic stirrer in a base compartment |
| TW200420798A (en) * | 2002-10-31 | 2004-10-16 | Uhde High Pressure Tech Gmbh | Process for dyeing materials in compressed carbon dioxide |
| CN201485677U (en) * | 2009-07-21 | 2010-05-26 | 东莞市彩之虹化工有限公司 | Dyeing kettle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105415956A (en) * | 2015-12-02 | 2016-03-23 | 安徽金信地首饰有限公司 | Acid dye dyeing process for shells |
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| US20180355536A1 (en) * | 2016-11-21 | 2018-12-13 | Dalian Polytechnic University | Multifunctional dyeing and finishing kettle and industrialized supercritical co2 fluid anhydrous dyeing and finishing apparatus with a scale over 1000 liters |
| US10851485B2 (en) * | 2016-11-21 | 2020-12-01 | Dalian Polytechnic University | Multifunctional dyeing and finishing kettle and industrialized supercritical CO2 fluid anhydrous dyeing and finishing apparatus with a scale over 1000 liters |
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| CN105032697B (en) | 2017-06-27 |
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Effective date of registration: 20221219 Address after: 362212 Fengchi Industrial Zone, tangcuo village, Chidian Town, Jinjiang City, Quanzhou City, Fujian Province Patentee after: JINJIANG GUOSHENG SHOE MATERIAL LTD. Address before: 116034 No. 1 light industry garden, Ganjingzi District, Liaoning, Dalian Patentee before: DALIAN POLYTECHNIC University |
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