CN105040327A - Supercritical carbon dioxide nylon button dyeing kettle and dyeing technology thereof - Google Patents
Supercritical carbon dioxide nylon button dyeing kettle and dyeing technology thereof Download PDFInfo
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- CN105040327A CN105040327A CN201510413209.5A CN201510413209A CN105040327A CN 105040327 A CN105040327 A CN 105040327A CN 201510413209 A CN201510413209 A CN 201510413209A CN 105040327 A CN105040327 A CN 105040327A
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- dyeing
- carbon dioxide
- kettle
- button
- supercritical carbon
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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
Abstract
The invention discloses a supercritical carbon dioxide nylon button dyeing kettle and a dyeing technology thereof. The dyeing kettle comprises a kettle body, and the bottom of the kettle body is provided with a carbon dioxide fluid and dye inlet and a carbon dioxide fluid and dye outlet. When dyeing is performed, carbon dioxide fluid and dye at the bottom flow into the kettle body to impact on buttons and drive the buttons to be dyed in a non-static mode, therefore, the buttons can move under the variable speed impact of air flow, and the dyeing defects at the overlapping positions of the buttons are avoided. Meanwhile, the bottom of a barrel body of the dyeing kettle is designed to be of an inverted-trapezoidal structure, and therefore the problem that the buttons cannot be dyed due to the fact that the buttons cannot make contact with the carbon dioxide fluid carrying the dye is solved. By adopting the dyeing technology, the buttons which are rich and complete in color can be obtained, the dyed products do not need aftertreatment such as cleaning and drying, waterless dyeing is achieved in the overall process, the production cost is saved, the dyeing quality is improved, and the environmental pollution is reduced.
Description
Technical field
The present invention relates to technical field of textile printing, particularly supercritical carbon dioxide nylon button dyeing caldron and non-aqueous dyeing technique 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 nylon button dyeing caldron, button is driven to dye in non-static mode by CO 2 fluid, thus when solving the supercritical CO 2 dyeing still adopting prior art, the overlapping of button and button 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.
Supercritical carbon dioxide nylon button dyeing caldron, comprises kettle, and 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, and described opening is corresponding with described CO 2 fluid and dyestuff entrance, and described opening part is provided with the curved surface netware raised up.During dyeing, described nylon button is placed in cylindrical shell, and the CO 2 fluid dissolving dyestuff flows into cylindrical shell from 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 preferred 1-2mm of mesh aperture of curved surface netware.The preferred stainless steel of material of curved surface netware.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.CO 2 fluid impacts button to adopt this angle effectively to ensure, thus avoids button overlap and pile up, and effectively prevents uneven dyeing.
As preferred technical scheme, the bottom opening place of described cylindrical shell is provided with chassis with holes, and described chassis with holes is positioned at the below of described curved surface netware.The aperture on described chassis with holes is preferably as 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.
Above-mentioned supercritical carbon dioxide nylon button dyeing caldron, in dyeing course, the supercritical carbon dioxide carrying dyestuff is by the carbon dioxide of kettle and dyestuff entrance, and the chassis with holes, the curved surface netware that flow through cylinder body bottom successively enter cylindrical shell, form eddy airstream and carry out button dyeing.The carbon dioxide carrying some dyes flows out from carbon dioxide outlet, and form circulation, in dyeing caldron, button circulating along with supercritical carbon dioxide, completes dyeing gradually.
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, and described cylindrical shell is connected with kettle twist portion by cylindrical shell twist portion with kettle.
The molecular dynamics mechanism that the supercritical carbon dioxide carrying dyestuff 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.
Another object of the present invention is to provide the technique adopting above-mentioned supercritical carbon dioxide nylon button dyeing caldron to carry out the dyeing of nylon button.
As preferred technical scheme, the dyeing condition of described dyeing is: supercritical carbon dioxide fluid flow velocity is 10-40g/min, and dyeing temperature in the kettle is 110-130 DEG C, and in dyeing caldron, pressure is 22-32MPa, dyeing time 60-120min, the quality of dyestuff is the 1-5% of button quality; Described dyestuff is DISPERSE DYES.
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 button quality mainly through dyeing time, dyeing temperature, dyestuff controls.Wherein, 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 dyestuff.
As preferred technical scheme, the quality of described dyestuff is the 2-3% of button quality.
As preferred technical scheme, described DISPERSE DYES is preferably disperse orange S-4RL, dispersed ruby S-5BL, disperses deep blue HGL.
As preferred technical scheme, described nylon button is through preliminary treatment before dyeing, and described preliminary treatment adopts the hydrochloric acid solution of 0.05-0.1mol/L to soak nylon button 12-18 hour at normal temperatures.
When undressed nylon button is buckled in and dyes in supercritical carbon dioxide, gained color and dye colour inconsistent, often have variable color to a certain degree, thus cause the uncertainty of stained specimens color in industrial production, cause sample Dry Sack to have unpredictability.The present invention is by dyeing after employing hydrochloric acid solution at normal temperatures pre-soaking nylon button again, and the Color of button significantly improves, and Dry Sack is identical with dye colour.
Beneficial effect of the present invention: the invention provides a kind of new supercritical carbon dioxide nylon 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 dyestuff 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 nylon button dyeing caldron of the present invention;
In figure, 1 kettle, 2 sealing kettle cover, 3 cylindrical shells, 4 CO 2 fluids and dyestuff entrances, 5 CO 2 fluids and dyestuff outlet, 6 curved surface netware, 7 inverted trapezoidal structures, 8 lids with holes, 9 chassis with holes, 10 draw rings, 11 open clip, 12 heating jackets, 13 thermal medium entrances, 14 thermal medium outlet, 15 cylindrical shell twist portions, 16 kettle twist portions, 17 openings soon.
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.
Injection molding nylon button selected by the nylon knob of the embodiment of the present invention, provided by Weixing Ind Development Co., Ltd., Zhejiang.
Embodiment 1-9
A kind of supercritical carbon dioxide knob nylon buckles dyeing caldron, as shown in Figure 1, this dyeing caldron comprises kettle 1 and cylindrical shell 3, the upper end of described kettle 1 is provided with sealing kettle cover 2, sealing kettle cover 2 is flexibly connected with described kettle 1 by opening clip 11 soon, and the periphery of described kettle 1 is provided with heating jacket 12, in order to heating and insulation, the bottom of described heating jacket 12 is provided with thermal medium entrance 13, and top is provided with thermal medium outlet 14; Described cylindrical shell 3 is placed in kettle 1, and the bottom of described kettle 1 is provided with CO 2 fluid and dyestuff entrance 4, and the top of described kettle 1 is provided with CO 2 fluid and dyestuff outlet 5; 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, described opening 17 place is provided with the curved surface netware 6 raised up and the chassis with holes 9 be positioned at below it, the mesh aperture of described curved surface netware 6 is 1 ~ 2mm, the aperture on described chassis with holes 9 is 3mm, described curved surface netware 6 and chassis with holes 9 are all movably connected on the bottom of cylindrical shell 3, are convenient to dismounting and cleaning.The bottom of described cylindrical shell 3 is inverted trapezoidal structure 7, and the angle of its hypotenuse and horizontal plane is 40 degree.The upper end of described cylindrical shell 2 is provided with lid 8 with holes, and described lid 8 with holes is provided with draw ring 10.
When practical application, dyestuff still is generally provided with outward at dyeing caldron, reaching supercritical carbon dioxide passes in dyestuff still, dissolve dyestuff wherein, then the supercritical carbon dioxide with dyestuff is passed into certain speed in the cylindrical shell of dyeing caldron and dye, form eddy airstream to dye, the carbon dioxide carrying some 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 dyestuff reenters dyeing caldron by carbon dioxide entrance.
The dyeing adopting supercritical carbon dioxide button dyeing caldron as shown in Figure 1 to carry out nylon button comprises the steps:
(1) carry out preliminary treatment before the dyeing of nylon button, by the hydrochloric acid solution of nylon button leaching 0.05-0.1mol/L, under 25 DEG C of conditions, soak 12-18 hour, soak the hydrochloric acid solution terminating rear deionized water soaking flushing button surface.
(2) open the dyeing caldron of supercritical carbon dioxide 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 nylon button, puts back to cylindrical shell;
(3) open refrigeration system and compression 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) dyestuff is placed in dyestuff still, supercritical carbon dioxide dissolving dye is passed into again 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 110-130 DEG C, keep temperature constant; Open high-pressure system, pressure in dyeing caldron is made to reach 22-32MPa, keep constant pressure, dye 60-120min under constant temperature and pressure, high-pressure pump, the circulatory system and heating system is closed, then release of pressure make that fluid pressure reaches below 7.9Mpa, temperature reaches the recovery that less than 30 degree are carried out carbon dioxide and dyestuff after reaching setting dyeing time; 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 1-9, is specially: the kind of nylon button, the concentration of pretreatment solution (hydrochloric acid), the kind of dyestuff, dyestuff account for the percentage composition (" dye content " in table 1) of nylon button quality, the flow of dyeing pressure, dyeing temperature, dyeing time and CO 2 fluid.
The dyeing condition adopted in table 1. embodiment 1-9
Table 2 is the characterisitic parameter of the product obtained of dyeing under adopting the dyeing condition of embodiment 1-9, 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.
Table 2. dyes under adopting the dyeing condition of embodiment 1-9 the 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 nylon button, it is apparent that color depth K/S value can reach 10.2-20.4, 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 all reach 4-5 level, it has good washability and crocking resistance, and its color fastness to hot pressing and colour fasteness to sunlight all reach 4-5 level, illustrate its resistance to hot pressing and colour fasteness to sunlight better.
Claims (10)
1. supercritical carbon dioxide nylon 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 (1) is provided with CO 2 fluid and dyestuff outlet (5).
2. supercritical carbon dioxide nylon 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) raised up.
3. supercritical carbon dioxide nylon 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 nylon 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 nylon 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 nylon button dyeing caldron according to claim 2, is characterized in that: the upper end of described cylindrical shell (3) is provided with lid with holes (8).
7. supercritical carbon dioxide nylon 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 nylon button supercritical CO 2 dyeing technique, is characterized in that: adopt the supercritical carbon dioxide nylon button dyeing caldron described in claim 1-7 any one 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 110-130 DEG C, in dyeing caldron, pressure is 22-32MPa, dyeing time 60-120min, the quality of dyestuff is the 1-5% of button quality; Described dyestuff is DISPERSE DYES.
10. dyeing according to claim 9, is characterized in that: described nylon button is through preliminary treatment before dyeing, and described preliminary treatment adopts the hydrochloric acid solution of 0.05-0.1mol/L to soak nylon button 12-18 hour at normal temperatures.
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| CN201510413209.5A CN105040327B (en) | 2015-07-14 | 2015-07-14 | Supercritical carbon dioxide nylon button dyeing kettle and dyeing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510413209.5A CN105040327B (en) | 2015-07-14 | 2015-07-14 | Supercritical carbon dioxide nylon button dyeing kettle and dyeing technology thereof |
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| CN105040327A true CN105040327A (en) | 2015-11-11 |
| CN105040327B CN105040327B (en) | 2017-05-03 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1200153A (en) * | 1995-10-16 | 1998-11-25 | 克鲁普犹德有限公司 | Process and device for treating textile substrates with supercritical fluid |
| 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 |
| CN102817194A (en) * | 2012-09-04 | 2012-12-12 | 广东出色无水印染科技有限公司 | Method and device for static dyeing by adopting supercritical fluid |
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2015
- 2015-07-14 CN CN201510413209.5A patent/CN105040327B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1200153A (en) * | 1995-10-16 | 1998-11-25 | 克鲁普犹德有限公司 | Process and device for treating textile substrates with supercritical fluid |
| 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 |
| CN102817194A (en) * | 2012-09-04 | 2012-12-12 | 广东出色无水印染科技有限公司 | Method and device for static dyeing by adopting supercritical fluid |
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Effective date of registration: 20221215 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 |