CN105040326B - Supercritical carbon dioxide urea button dyeing caldron and its dyeing - Google Patents
Supercritical carbon dioxide urea button dyeing caldron and its dyeing Download PDFInfo
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- CN105040326B CN105040326B CN201510412614.5A CN201510412614A CN105040326B CN 105040326 B CN105040326 B CN 105040326B CN 201510412614 A CN201510412614 A CN 201510412614A CN 105040326 B CN105040326 B CN 105040326B
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- China
- Prior art keywords
- dyeing
- button
- dyestuff
- kettle
- carbon dioxide
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Classifications
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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
-
- 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
Abstract
The invention discloses a kind of supercritical carbon dioxide urea button dyeing caldron and its dyeing.The dyeing caldron includes kettle, the bottom of the kettle is respectively equipped with CO 2 fluid and dyestuff entrance and CO 2 fluid and dyestuff outlet, bottom silicon dioxide carbon flow body and dyestuff flow into kettle during dyeing, impact button simultaneously drives button to be dyeed in non-static mode, so that button moves under the gear shift shock of air-flow, it is to avoid the dyeing speck of button and button overlapping.The cylinder body bottom of dyeing caldron of the invention is designed to inverted trapezoidal structure simultaneously, the problem that prevent button from not reaching the CO 2 fluid of carrying dyestuff and cannot dye.Using dyeing of the invention, color and luster can be obtained and enrich complete button, overall process non-aqueous dyeing is realized in the post processing such as the product after dyeing need not be cleaned, dried, and saves production cost, improves dyeing quality, reduces environmental pollution.
Description
Technical field
The present invention relates to technical field of textile printing, more particularly to supercritical carbon dioxide urea button dyeing caldron and its nothing
Water dyeing.
Background technology
China is a country for shortage of water resources, and water resource environment is also constantly deteriorating, along with the waste with water, water
Resource situation is even more and allows of no optimist.The traditional water bath dyeing of button, mainly with water as medium, in dyeing course, substantial amounts of dye
The chemical substances such as material, auxiliary agent and surfactant cause severe contamination to environment, and resistant to elevated temperatures colouring agent less varieties, colour system are not
Entirely, addition Masterbatch causes button production process unstable, governs the sustainable development of garment accessories industry.2l centuries are to easy
The requirement of controlling, high efficiency, nonstaining property and reusable edible is increasingly protruded.It is developed in the overcritical of last century Mo
Carbon dioxide waterless staining technique is considered as a kind of " green, can holding because of outstanding features such as its is pollution-free, short route, high efficiency
It is continuous development-oriented " technology, and enjoy favor.
At present, supercritical CO 2 dyeing technology has obtained stage and has entered as a kind of new green dyeing-finishing technology
Exhibition, the joint exploratory development to its process conditions, dyeing mechanism and dyeing installation is more ripe.And garment accessories is overcritical
Fluid Study on dyeing is little, there is presently no the dye that the garment accessories such as button are carried out using supercritical CO 2 dyeing technology
Color technique.On the other hand, because button compact structure, quality are larger, dye is packed together according to conventional static mode
Color, can cause forcing together for button and button consolidation, and button occurs that uneven dyeing and dye are impermeable with the overlapping of button
Phenomenon, causes button dyeing speck.
The content of the invention
An object of the present invention is to provide supercritical carbon dioxide urea button dyeing caldron, by CO 2 fluid
Button is driven to be dyeed in non-static mode, so that when solving the supercritical CO 2 dyeing kettle using prior art, knob
Button occurs that uneven dyeing and dye are impermeable with the overlapping of button, causes the problem of button dyeing speck.
Above-mentioned purpose of the invention adopts the following technical scheme that to realize.
Supercritical carbon dioxide urea button dyeing caldron, including kettle, the upper end of the kettle are provided with sealing kettle cover, described
The bottom of kettle is provided with CO 2 fluid and dyestuff entrance, and the top of the kettle is provided with CO 2 fluid and dyestuff goes out
Mouthful.
Used as preferred technical scheme, the dyeing caldron also includes cylinder, and the cylinder is placed in kettle, the cylinder
Bottom is provided with opening, and the opening is corresponding with the CO 2 fluid and dyestuff entrance, is provided with convex at the opening
The curved surface netware for rising.During dyeing, the urea button is placed in cylinder, dissolves the CO 2 fluid of dyestuff from bottom opening
Cylinder is flowed into, button is impacted and is driven button to be dyeed in non-static mode.Can also be by controlling stream of supercritical carbon dioxide
The flow velocity of body realizes the change of air-flow, so that button moves under the gear shift shock of air-flow, it is to avoid button and knob
Detain the dyeing speck of 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, so as to dye evenly.
Used as preferred technical scheme, the bottom of the cylinder is inverted trapezoidal structure, and button can be avoided using the structure
It is deposited in cylinder body bottom and dead angle occurs, prevents uneven dyeing.The bottom of wherein described cylinder refers to the periphery of curved surface netware.
Used as preferred technical scheme, the hypotenuse of the inverted trapezoidal structure and the angle of horizontal plane are 20-50 degree.Using this
Angle can effectively ensure that CO 2 fluid impacts button, so as to avoid button from overlapping and pile up, effectively prevent uneven dyeing.
As preferred technical scheme, chassis with holes is provided with the bottom opening of the cylinder, the chassis with holes is located at
The lower section of the curved surface netware.The aperture on the chassis with holes is preferably 3mm, the preferred stainless steel of material.Chassis with holes can be to two
Carbon oxide fluid and dyestuff filtration, it is to avoid impurity etc. enters cylinder.
Used as preferred technical scheme, the chassis with holes and curved surface netware are flexibly connected with the opening of cylinder body bottom,
Using the structure it is easy to disassemble and washing, improve staining efficiency.
Used as preferred technical scheme, the upper end of the cylinder is provided with lid with holes.Using the structure, it is easy to dress to take knob
Button can be directly loadable into by the hole of lid with holes, after dyeing terminates in the case where lid is not opened when button, i.e. practical application
Button can also be directly taken out by the hole of lid with holes in the case where lid is not opened.On the other hand, the lid with holes
Can moderate control CO 2 fluid and dyestuff the rate of outflow.
Used as preferred technical scheme, the lid with holes is provided with draw ring, convenient to pull out cylinder.
Above-mentioned supercritical carbon dioxide urea button dyeing caldron, in dyeing course, carries the overcritical dioxy of dyestuff
Change carbon by the carbon dioxide and dyestuff entrance of kettle, the chassis with holes of cylinder body bottom, curved surface netware are flowed through successively and enters cylinder, shape
Button dyeing is carried out into eddy airstream.The carbon dioxide for carrying some dyes flows out from carbon dioxide outlet, forms circulation, dyeing
Button circulating with supercritical carbon dioxide in kettle, gradually completes dyeing.
Used as preferred technical scheme, the sealing kettle cover is flexibly connected by opening clip soon with the kettle.
Used as preferred technical scheme, the periphery of the kettle is provided with heating jacket, is used to heat and is incubated, the heating
The bottom of chuck is provided with thermal medium entrance, and top is provided with thermal medium outlet.
Used as preferred technical scheme, the cylinder is provided with cylinder twist portion, the kettle and is provided with kettle twist portion, described
Cylinder is connected by cylinder twist portion with kettle with kettle twist portion.
Carry the supercritical carbon dioxide of dyestuff the molecular dynamics mechanism of button dyeing is carried out in cylinder and be：It is dissolved in
Dyestuff in supercritical carbon dioxide fluid moves closer to material interface into Dynamic Boundary layer, when dyestuff is near material interface
Afterwards, by the diffusion of itself close to material, when molecular force is sufficiently large, dyestuff is adsorbed by material, and dyestuff is formed inside and outside material
Concentration difference, completes the absorption set of dyestuff, so as to realize the non-aqueous dyeing of supercritical carbon dioxide fluid.
Another object of the present invention is to provide carries out urea button using above-mentioned supercritical carbon dioxide urea button dyeing caldron
The technique of dyeing.
Used as preferred technical scheme, the dyeing condition of the dyeing is：Supercritical carbon dioxide fluid flow velocity is
10-40g/min, dyeing temperature in the kettle is 90-120 DEG C, and pressure is 22-32MPa, dyeing time 60-120min, dye in dyeing caldron
The quality of material is the 1-5% of button quality；The dyestuff is disperse dyes.Step-down makes dyestuff and carbon dioxide gas after dyeing terminates
Body is separated, and is separately recovered, and takes out stained specimens, and sample is without the post processing such as cleaning-drying.The color sample depth is mainly by dye
Color time, dyeing temperature, dyestuff account for the change of the factors such as the percentage composition of button quality to control.Wherein, it is described overcritical
It with the supercritical carbon dioxide for flowing through per minute and the common quality of dyestuff is mark that the metering of carbon dioxide stream rate of flow of fluid is
It is accurate.
Used as preferred technical scheme, the quality of the dyestuff is the 2-3% of button quality.
Used as preferred technical scheme, the disperse dyes are preferably disperse orange S-4RL, dispersed ruby S-5BL, dispersion deeply
Blue HGL.
Used as preferred technical scheme, before dyeing, by pretreatment, the pretreatment is used the urea button
The hydrochloric acid solution of 0.05-0.2mol/L soaks button 12-18 hours at normal temperatures.
Undressed urea is buckled in supercritical carbon dioxide when dyeing, and dyestuff is difficult to be dispersed into Button material molecule
In, therefore Color is not obvious, obtains color very shallow.The present invention is by using hydrochloric acid solution pre-soaking button after stain at normal temperatures
Color, the Color of button is significantly improved, and is obtained color depth and is substantially deepened.Analyzing its mechanism has two aspects, one side urea button
Material therefor Lauxite, during industrialized processing, can usually add the alkali of alkali as a catalyst, residual can influence
The dyeing property of button, hydrochloric acid solution immersion contributes to dyeing, and another aspect hydrochloric acid buckles urea surface and generates micro quarter
Erosion, this micro etching makes dyestuff be easier to contaminate urea button.
Beneficial effects of the present invention：The present invention provides a kind of new supercritical carbon dioxide urea button dyeing caldron, the dye
Color kettle is provided with CO 2 fluid and dyestuff entrance in the bottom of kettle, and top is provided with outlet, bottom silicon dioxide carbon during dyeing
Fluid and dyestuff flow into kettle, impact button and drive button to be dyeed in non-static mode, can also be overcritical by controlling
The flow velocity of CO 2 fluid realizes the change of air-flow, so that button moves under the gear shift shock of air-flow, it is to avoid
The dyeing speck of button and button overlapping.The cylinder body bottom of dyeing caldron of the invention is designed to inverted trapezoidal structure simultaneously, has
The problem that effect prevents button from not reaching the CO 2 fluid of carrying dyestuff and cannot dye.Using dyer of the invention
Skill, can obtain color and luster and enrich complete button, the post processing such as the product after dyeing need not be cleaned, dried, and realize complete
Process non-aqueous dyeing, saves production cost, improves dyeing quality, reduces environmental pollution.
Brief description of the drawings
Fig. 1 is the structural representation of supercritical carbon dioxide urea button dyeing caldron of the present invention；
In figure, 1 kettle, 2 sealing kettle covers, 3 cylinders, 4 CO 2 fluids and dyestuff entrance, 5 CO 2 fluids and dye
Clip, 12 heating folders are driven in material outlet, 6 curved surface netware, 7 inverted trapezoidal structures, 8 lids with holes, 9 chassis with holes, 10 draw rings, 11 soon
Set, 13 thermal medium entrances, 14 thermal medium outlets, 15 cylinder twist portions, 16 kettle twist portions, 17 openings.
Specific embodiment
Following non-limiting examples can make one of ordinary skill in the art be more fully understood the present invention, but not with
Any mode limits the present invention.
Embodiment of the present invention urea button is provided by Weixing Ind Development Co., Ltd., Zhejiang.
Embodiment 1-16
A kind of supercritical carbon dioxide urea button dyeing caldron, as shown in figure 1, the dyeing caldron includes kettle 1 and cylinder 3,
The upper end of the kettle 1 is provided with sealing kettle cover 2, and sealing kettle cover 2 is flexibly connected by opening clip 11 soon with the kettle 1, described
The periphery of kettle 1 is provided with heating jacket 12, is used to heat and is incubated, and the bottom of the heating jacket 12 is provided with thermal medium entrance
13, top is provided with thermal medium outlet 14；The cylinder 3 is placed in kettle 1, and the bottom of the kettle 1 is provided with CO 2 fluid
And dyestuff entrance 4, the top of the kettle 1 is provided with CO 2 fluid and dyestuff outlet 5；The bottom of the cylinder 3 is provided with out
Mouth 17, the opening 17 is corresponding with the CO 2 fluid and dyestuff entrance 4, is provided with what is raised up at the opening 17
Curved surface netware 6 and the chassis with holes 9 being disposed below, the mesh aperture of the curved surface netware 6 is 1~2mm, the chassis with holes
9 aperture is 3mm, and the curved surface netware 6 and chassis with holes 9 are movably connected on the bottom of cylinder 3, easy to disassemble and cleaning.
The bottom of the cylinder 3 is inverted trapezoidal structure 7, and its hypotenuse is 40 degree with the angle of horizontal plane.The upper end of the cylinder 2 is provided with band
Port lid body 8, the lid with holes 8 is provided with draw ring 10.
In practical application, being typically provided with dyestuff kettle outside dyeing caldron, reach supercritical carbon dioxide and be passed through
In dyestuff kettle, dyestuff therein is dissolved, the supercritical carbon dioxide with dyestuff is then passed through dyeing caldron with certain speed
Cylinder in dyeed, form eddy airstream and dyeed, carry the carbon dioxide of some dyes from carbon dioxide outlet stream
Go out, return in dyeing caldron, form circulation, button circulating with supercritical carbon dioxide in dyeing caldron gradually completes dye
Color.When carbon dioxide has loss, supplement supercritical carbon dioxide in dyestuff kettle, carry the supercritical carbon dioxide of dyestuff by
Carbon dioxide entrance reenters dyeing caldron.
The dyeing for carrying out urea button using supercritical carbon dioxide button dyeing caldron as shown in Figure 1 includes as follows
Step：
(1) pre-processed before the dyeing of urea button, urea button immersed in the hydrochloric acid solution of 0.05-0.2mol/L,
Under the conditions of 25 DEG C, soak 12-18 hours, the hydrochloric acid solution on deionized water soaking flushing button surface is used in immersion after terminating.
(2) dyeing caldron of supercritical carbon dioxide button dyeing apparatus is opened, using the lid with holes of dyeing caldron inner barrel
The draw ring being provided with proposes whole cylinder, and urea button is uniformly placed in cylinder, puts back to cylinder；
(3) refrigeration system and high-pressure system are opened, more than carbon dioxide pressurization to critical pressure, then by heater
Carbon dioxide is heated to more than critical point temperature, carbon dioxide is reached supercriticality；
(4) dyestuff is placed in dyestuff kettle, then to supercritical carbon dioxide dissolving dye is passed through in dyestuff kettle, while will
Supercritical carbon dioxide with dyestuff is passed through in the cylinder in dyeing caldron with the speed of 10-40g/min by dyestuff kettle, using plus
Thermal makes dyeing temperature in the kettle reach 90-120 DEG C, and keeping temperature is constant；High-pressure system is opened, pressure in dyeing caldron is reached
22-32MPa, keeps pressure constant, and 60-120min is dyeed under constant temperature and pressure, and high pressure is closed after the dyeing time for reaching setting
Pump, the circulatory system and heating system, then release of pressure and make Fluid pressure reach below 7.9Mpa, temperature and reach less than 30 degree to enter
The recovery of row carbon dioxide and dyestuff；Continue release of pressure to normality, take out dyeing button；Wherein it is passed through in dyestuff kettle overcritical two
The speed of carbonoxide is identical by the speed that dyestuff kettle is passed through dyeing kettle barrel with the supercritical carbon dioxide with dyestuff, is protected with this
Dynamic equilibrium of the card CO 2 fluid in dyestuff kettle.
The dyeing condition used in the embodiment 1-16 of table 1.
Table 1 is the dyeing condition used in embodiment 1-16, specially：Preprocessing solution (hydrochloric acid) concentration, the kind of dyestuff
Class, dyestuff account for the percentage composition (" dye content " in table 1) of urea button quality, dyeing pressure, dyeing temperature, dyeing time
With CO 2 fluid flow.
Table 2 is the characterisitic parameter that the product for obtaining is dyeed under dyeing condition using embodiment 1-16, specially：Use
Color-Eye 7000A fabric color measurement and color match instrument measures its apparent color depth K/S value；According to GB-T3921 detection dyeing buttons
Fastness to soaping, and the change color fastness of button is measured by GB-T250, the staining fastness of fabric is measured by GB-T251；According to
The colour fastness to rubbing of GB-T3920 detection dyeing buttons, the dry of button, wet staining fastness are measured by GB-T251；Examined by GB730
The sunlight fastness of button is surveyed, and measures the colour fasteness to sunlight of button；According to the resistance to hot pressing of GB-T6152 detection dyeing buttons
Color fastness, the change color fastness of button is measured by GB-T250, and the staining fastness of fabric is measured by GB-T251.
Table 2. dyes the characterisitic parameter of the product for obtaining under the dyeing condition using embodiment 1-12
The result of table 2 is visible, and the dyeing of urea button is carried out using the method for the present invention, its apparent color depth K/S value
10.2-23.9 is can reach, illustrates that this method can obtain the button of various depth colors, and its washable color by adjusting process condition
Fastness, colour fastness to rubbing reach 4-5 grades, and it has good washability and a crocking resistance, its color fastness to hot pressing and
Colour fasteness to sunlight reaches 4-5 grades, illustrates that its resistance to hot pressing and colour fasteness to sunlight are preferable.
Claims (4)
1. a kind of urea button supercritical CO 2 dyeing technique, it is characterised in that：Using supercritical carbon dioxide urea knob
Button dyeing caldron is dyeed；
The dyeing condition of the dyeing is：Supercritical carbon dioxide fluid flow velocity is 10-40g/min, dyes temperature in the kettle
It it is 90-120 DEG C, pressure is 22-32MPa, dyeing time 60-120min in dyeing caldron, and the quality of dyestuff is the 1- of button quality
5%；The dyestuff is disperse dyes；
Described supercritical carbon dioxide urea button dyeing caldron, including kettle（1）, the kettle（1）Upper end be provided with sealing
Kettle cover（2）, the kettle（1）Bottom be provided with CO 2 fluid and dyestuff entrance（4）, the kettle（1）Top be provided with
CO 2 fluid and dyestuff are exported（5）；The dyeing caldron also includes cylinder（3）, the cylinder（3）It is placed in kettle（1）It is interior, institute
State cylinder（3）Bottom be provided with opening（17）, the opening（17）With the CO 2 fluid and dyestuff entrance（4）Relatively
Should, the opening（17）Place is provided with the curved surface netware for raising up（6）；The cylinder（3）Bottom be inverted trapezoidal structure（7）；
The inverted trapezoidal structure（7）The angle of hypotenuse and horizontal plane be 20-50 degree；The cylinder（3）Opening（17）Place is provided with band
Bottom hole disk（9）, the chassis with holes（9）Positioned at the curved surface netware（6）Lower section.
2. dyeing according to claim 1, it is characterised in that：The urea button before dyeing, by pretreatment,
The pretreatment is to soak urea button at normal temperatures 12-18 hours using the hydrochloric acid solution of 0.05-0.2mol/L.
3. dyeing according to claim 1, it is characterised in that：The cylinder（3）Upper end be provided with lid with holes
（8）.
4. dyeing according to claim 1, it is characterised in that：The curved surface netware（6）Mesh aperture for 1 ~
2mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412614.5A CN105040326B (en) | 2015-07-14 | 2015-07-14 | Supercritical carbon dioxide urea button dyeing caldron and its dyeing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412614.5A CN105040326B (en) | 2015-07-14 | 2015-07-14 | Supercritical carbon dioxide urea button dyeing caldron and its dyeing |
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| Publication Number | Publication Date |
|---|---|
| CN105040326A CN105040326A (en) | 2015-11-11 |
| CN105040326B true CN105040326B (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510412614.5A Active CN105040326B (en) | 2015-07-14 | 2015-07-14 | Supercritical carbon dioxide urea button dyeing caldron and its dyeing |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012372B (en) * | 2016-07-12 | 2018-07-31 | 广州绿和缘生物科技有限公司 | The horizontal anhydrous dyeing and finishing kettle of integration and its dyeing and finishing method |
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 |
-
2015
- 2015-07-14 CN CN201510412614.5A patent/CN105040326B/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: 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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