CN102787459A - Supercritical carbon dioxide cheese dyeing kettle and waterless supercritical carbon dioxide cheese dyeing method - Google Patents
Supercritical carbon dioxide cheese dyeing kettle and waterless supercritical carbon dioxide cheese dyeing method Download PDFInfo
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- CN102787459A CN102787459A CN2012102482423A CN201210248242A CN102787459A CN 102787459 A CN102787459 A CN 102787459A CN 2012102482423 A CN2012102482423 A CN 2012102482423A CN 201210248242 A CN201210248242 A CN 201210248242A CN 102787459 A CN102787459 A CN 102787459A
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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
- D06B5/00—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating
- D06B5/12—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length
- D06B5/16—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length through yarns, threads or filaments
Abstract
The invention relates to a supercritical carbon dioxide cheese dyeing kettle and a waterless supercritical carbon dioxide cheese dyeing method. In the dyeing kettle, when carbon dioxide fluid enters a distribution tray from an inlet, blades start rotating clockwise under the effect of pressure; inserted drill rods are driven to rotate by a rotation part; and the rotating speed of the inserted drill rods is increased along with the increase of pressure in a cylinder body. When a cheese is dyed, the cheese on the inserted drill rods is dyed at a speed of 0.2-0.5 r/s. When the rotating cheese is dyed, the cheese is subjected to the pressure of the fluid flowing out from a central shaft; the rotation and bicirculation of the cheese dyeing are realized; the uniform dyeing effect of the dyed cheese can be improved; and the migration ability and the diffusibility can be improved.
Description
Technical field
The invention belongs to the textile printing and dyeing field; Wool, cashmere, yak hair, cotton and the cotton blending cheese that will have certain shatter value are put into cheese special dyeing still; It is carried out supercritical CO 2 dyeing, a kind of supercritical carbon-dioxicle dyeing method of suitable cheese is provided.
Background technology
Traditional dyeing is a medium with water mainly, and in dyeing course, chemical substances such as a large amount of dyestuffs, auxiliary agent and surfactant cause severe contamination to environment, is also restricting the sustainable development of textile printing and dyeing industry simultaneously.2l century commute is controlled, the requirement of high efficiency, nonstaining property and reusable edible property is more and more outstanding.Develop outstanding features such as pollution-free in the supercritical carbon dioxide waterless staining technique of last century Mo, short flow process, high efficiency and be considered to a kind of " green, sustainable development type " technology, and enjoy favor because of it.
At present, the supercritical CO 2 dyeing technology has obtained interim progress as a kind of novel green dyeing and finishing technique, and is comparatively ripe to the associating exploratory development of its process conditions, dyeing mechanism and dyeing installation.Because dyeing course needs special-purpose dyeing support to realize, so the development of dyeing support has great importance to production.
The tradition cheese dyeing be with the yarn network on the porous bobbin, make dye liquor between the bobbin yarn, penetrate circulation, then a kind of processing technology of drum dyeing.Though shorter, consuming time longer by the base yarn to the technological process of network look tube, need pass through processing procedures such as dehydration, oven dry therebetween, the water consumption power consumption is bigger.In addition, because traditional cheese dyeing yarn is fluffy inadequately plentiful, cause its level dyeing poor-performing.
Summary of the invention
For addressing the above problem, the present invention provides a kind of supercritical carbon dioxide cheese dyeing still, comprises cylinder body and cheese support; The cheese support is fixed in the cylinder body; The upper end of cylinder body fixedly movable sealing lid, lower end is provided with the CO 2 fluid inlet, and the top of cylinder body also is provided with the CO 2 fluid outlet; The cylinder body outside is fixed with heating jacket; The upper end of one side of heating jacket is provided with the heat medium outlet, and the lower end of opposite side is provided with the heat medium inlet; It is characterized in that described cheese support is made up of distribution domain, central shaft and 6 plug in prickers; The center in said distribution domain is fixed with central shaft, is distributed with 6 plug in prickers around the outside of said central shaft; Said plug in pricker and distribution domain flexibly connect, and can rotate arbitrarily around the junction; Said central shaft 203 is a porous axle construction; Said distribution domain is provided with 7 holes; Said hole is corresponding with said plug in pricker inner chamber and said central shaft inner chamber; The lower end of said plug in pricker is fixed with rotating part; Said rotating part is made up of cylinder, support column and blade; Said vanes fixed is on support column, and support column is connected on the cylinder through brace summer; During use, CO 2 fluid gets in the hole, the blade rotation in the rotating part under pressure, and rotating part drives to be plugged in pricker and rotates.
In the above-mentioned dyeing caldron of the present invention, when CO 2 fluid got into the distribution domain from entering the mouth, under the pressure effect, blade was by begin rotation clockwise, and rotating part drives plugs in the pricker rotation, and along with pressure in the cylinder body increases, plug in pricker rotating speed is accelerated thereupon.When dyeing, the cheese of inserting on the pricker dyes with 0.2～0.5r/s.The cheese that rotates receives the fluid pressure action that is flowed out by central shaft equably when dyeing, realize while rotating bicirculating cheese dyeing course, can improve dyeing back cheese even dyeing effect, improves migration property and diffusivity.
Movable sealing lid among the present invention is made up of alignment pin, seal cover, and alignment pin is welded in the seal cover; Active seal cover is placed on the kettle end face, makes the alignment pin interlock, closely is connected with the movable sealing lid by the kettle end face through opening clip soon.In the above-mentioned dyeing caldron of the present invention, the upper end of plugging in pricker is provided with tapered end.
Tapered end on the plug in pricker among the present invention can adopt screw-type, spring or screw thread spring hybrid, among the present invention, is preferably screw-type; Its annexation is the clockwise spiral of seal bellows to be inserted insert on the pricker, and according to friction top, sealing gland, sealing ring, seal bellows, order from top to bottom seals it.
Arbitrary technical scheme in the above-mentioned dyeing caldron of the present invention, porose on the central shaft, its aperture is 4～8mm, spacing 2～6mm between the hole.Cheese dyeing frame central shaft in the tradition cheese dyeing is a solid construction, and central shaft of the present invention is a porous axle construction, and its thickness is 5～10mm, and the aperture is 4～8mm, spacing 2～6mm between the hole, the high 1500～1550mm of central shaft.In supercritical CO 2 dyeing, fluid can be flowed out respectively by central shaft and plug in pricker hole axle cheese is dyeed, and realizes inside and outside two dyeing cycle simultaneously.
Another object of the present invention is to provide a kind of supercritical carbon dioxide bobbin dyeing method, said method dyes through above-mentioned arbitrary described cheese dyeing still.
In the above-mentioned colouring method of the present invention, the dyeing condition of said method is: 80～160 ℃ of temperature, and pressure 14～28MPa, dyeing 20～60min; Wherein, dyestuff and cheese mass ratio are 1:10～30.
Arbitrary technical scheme in the above-mentioned colouring method of the present invention, cheese is preferably wool, cashmere, yak hair, cotton and cotton blending yarn.
Arbitrary technical scheme in the above-mentioned colouring method of the present invention, dyestuff is preferably direct dyes, REACTIVE DYES, DISPERSE DYES and reactive disperse dyes.
The present invention grades to the cheese after dyeing with colour fastness to weathering experimental technique, GB3921-1997 textiles color fastness to washing test method and GB3920-1997 crock fastness test method through the GB730-1998 textiles is fast light.Its colour fasteness to rubbing can reach 3～4 grades, and the water-fast COLOR FASTNESS of washing can reach 3～5 grades, and fast light and colour fastness to weathering all can reach 3～5 grades, and the cheese COLOR FASTNESS all can arrive textiles and take requirement.Adopting international standards, the back cheese carries out COLOR FASTNESS mensuration to ISO 105/A03-1993 " textiles-COLOR FASTNESS test---grey scale for assessing staining of colour " to dyeing.COLOR FASTNESS can reach 3～5 grades.
Description of drawings
Accompanying drawing 5 width of cloth of the present invention,
Fig. 1 is the structural representation of cheese dyeing still;
Fig. 2 is the structural representation that the dyeing caldron of cheese is housed;
Fig. 3 is the vertical view of cheese support;
Fig. 4 is the partial enlarged drawing of tapered end;
Fig. 5 is the front view of rotating part;
Fig. 6 is the sketch map of rotating part;
Fig. 7 is the vertical view in distribution domain;
Wherein, 1, cylinder body, 2, the cheese support, 3, the movable sealing lid, 4, the CO 2 fluid inlet, 5, CO 2 fluid outlet; 6, heating jacket, 7, heat medium outlet, 8, the heat medium inlet, 9, alignment pin, 10, open clip soon, 11, the kettle end face; 12, seal cover, 203, central shaft, 201, the distribution domain, 202, plug in pricker, 204, tapered end; 205, hole, 204a, seal bellows, 204b, sealing ring, 204c, sealing gland, 204d, friction top; 206, rotating part, 206a, cylinder, 206b, support column, 206c, blade, 206d, brace summer.
Carbon dioxide bobbin dyeing yarn still according to the invention comprises cylinder body 1 and cheese support 2; Cheese support 2 is fixed in the cylinder body 1; The upper end of cylinder body 1 fixedly movable sealing lid 3, lower end is provided with CO 2 fluid inlet 4, and the top of cylinder body 1 also is provided with CO 2 fluid outlet 5; Cylinder body 1 outside is fixed with heating jacket 6; The upper end of one side of heating jacket 6 is provided with heat medium outlet 7, and the lower end of opposite side is provided with heat medium inlet 8; It is characterized in that described cheese support 2 is made up of distribution domain 201, central shaft 203 and 6 plug in prickers 202; The center in said distribution domain 201 is fixed with central shaft 203, is distributed with 6 plug in prickers 202 around the outside of said central shaft 203; Said plug in pricker 202 flexibly connects with distribution domain 201, and can rotate arbitrarily around the junction; Said central shaft 203 is a porous axle construction; Said distribution domain 201 is provided with 7 holes 205; Said hole 205 is corresponding with said plug in pricker 202 inner chambers and said central shaft 203 inner chambers; The lower end of said plug in pricker 202 is fixed with rotating part 206; Said rotating part 206 is made up of cylinder 206a, support column 206b and blade 206c; Said blade 206c is fixed on the support column 206b, and support column 206b is connected on the cylinder 206a through brace summer 206d; During use, CO 2 fluid gets in the hole 205, and the blade 206c in the rotating part 206 rotates under pressure, and rotating part 206 drives plugs in pricker 202 rotations.The annexation of said tapered end 204 is inserted on the pricker for the clockwise spiral of seal bellows 204a is inserted, and above seal bellows, puts sealing ring 204b, is placed on sealing gland 204c above the seal bellows, above sealing gland, puts friction top 204d.Movable sealing lid 3 is made up of alignment pin 9, seal cover 12, and alignment pin 9 is welded in the seal cover 12; Active seal cover 3 is placed on the kettle end face 11, makes alignment pin 9 interlocks, kettle end face 11 is fixedly connected with movable sealing lid 3 through opening clip 10 soon.
When using dyeing caldron of the present invention, CO 2 fluid inlet 4 is connected with the dyestuff still.Before the dyeing beginning, need to open refrigeration system, make pressure of storage tank reduce to 3～5MPa, tank level rises to 400～430mm, feeds carbon dioxide in the dyeing caldron, and fluid portability dyestuff gets in the cylinder body 1 of dyeing caldron.Open heating system, make temperature reach dyeing temperature, open high-pressure system and boost to dyeing pressure, dye.During dyeing, a CO 2 fluid part flows out through central shaft 203 from inside to outside, is dyeed to the cheese inboard gradually by the outside of cheese; Another part carries dyestuff by flowing out in the plug in pricker 202 hole axles, from inside to outside cheese is dyeed.After accomplishing dyeing, fluid flows out from the carbon dioxide outlet.In the dyeing course, along with pressure increases gradually, blade, helicitic texture device, sintering filter steel pipe to begin to rotate, and realizes that cheese rotates dyeing.After accomplishing dyeing, the recovery of carbon dioxide and dyestuff is carried out in dyeing caldron release of pressure, cooling then, takes out dyed yarn, accomplishes dyeing course.
Active dispersed black dye 3kg is put into the dyestuff still, and wool cheese 90kg inserts the cheese special stand.Open refrigeration system, reduce to 4 ~ 4.3MPa when pressure of storage tank, tank level rises to 425～427mm, begins to feed carbon dioxide.Then, heater and oil pump make its temperature be heated to 90 ~ 95 ℃, start high-pressure pump and begin pressurization, are forced into 22 ~ 23MPa, dyeing 28 ~ 31min.After dyeing finishes, close high-pressure pump, heater and oil pump, release of pressure, lower the temperature and make it remain on the recovery of carrying out carbon dioxide and dyestuff under the 3 ~ 4MPa, 32 ~ 34 ℃, take out wool cheese after the dyeing.The water-fast COLOR FASTNESS of washing of dyeing back cheese reaches 3 grades, and colour fastness to rubbing is 4 grades, and fast light and colour fastness to weathering all can reach 4 grades.Dyeing wool cheese COLOR FASTNESS 3-4 level on the active dispersed black dye of tradition; After adopting special-purpose cheese support; COLOR FASTNESS is the 4-5 level behind supercritical CO 2 dyeing, and traditional cheese dyeing needs 60 ~ 63min, adopts supercritical carbon dioxide cheese dyeing still; Only need 20 ~ 22min to accomplish and dye, the time is short.Dye the back cheese simultaneously and meet the GB requirement.
Embodiment 3
Take out the 3.5kg dispersed deep blue dye and put into the dyestuff still, 35kg cashmere cheese is put into special-purpose cheese support, opens refrigeration system, makes pressure of storage tank reduce to 4MPa, and tank level rises to 421～424mm, begins to feed carbon dioxide.Open heating system, elevated temperature to 130～135 ℃.Open high-pressure pump, pressurization rises to 20～21MPa, dyeing 30～33min.After dyeing finishes, close high-pressure pump and heating system, release of pressure, be cooled to 3.5～4MPa, 38～41 ℃, carry out the recovery of carbon dioxide and dyestuff, taking-up dye bobbin yarn.The water-fast COLOR FASTNESS of washing of dyeing back cheese is 4 grades, and colour fasteness to rubbing is 5 grades, and the water-fast COLOR FASTNESS of washing can reach 4 grades.COLOR FASTNESS 3-4 level after the tradition dispersed deep blue dye dyes to cheese, COLOR FASTNESS can reach 4 grades after employing supercritical CO 2 dyeing special dyeing still dyeed to the cashmere cheese.
Take by weighing the active disperse brilliant blue dyestuff of 4kg and put into the dyestuff still, 80kg wool cheese is put into the cheese support, starts refrigeration system, and pressure of storage tank is reduced to 3.5MPa, and tank level rises to 428～430mm, begins to feed carbon dioxide.Heater and oil pump are warming up to 100～105 ℃, open high-pressure pump, and pressurization rises to 23～24MPa, reach under dyeing pressure and the dyeing temperature dyeing 40～43min.After accomplishing dyeing, close high-pressure pump, heater and oil pump, release of pressure be cooled to 3.5～3.8MPa, 39～42 ℃, and carry out carbon dioxide and the recovery of dyestuff in the system, take out the dye bobbin yarn then.It is water-fast washes COLOR FASTNESS and reaches 3 grades, and colour fastness to rubbing is 4 grades, fast lightly all can reach 5 grades with colour fastness to weathering.COLOR FASTNESS is 3 grades behind the tradition wool cheese dyeing, and after the dyeing of employing supercritical carbon dioxide cheese dyeing still, COLOR FASTNESS is increased to 4 grades.
Dispersive red dye 4.5kg and cashmere cheese 75kg are put into dyestuff still and cheese support respectively.Open refrigeration system, reduce to 3.7～3.9MPa when pressure of storage tank, tank level rises to 414～417mm, begins to feed carbon dioxide.Open heating system, be warming up to 90～95 ℃ of dyeing temperatures, open high-pressure pump rising pressure and rise to 18～19MPa, reach dyeing temperature and dyeing pressure, dyeing 35～39min.After dyeing finishes, close high-pressure pump and heating system, lower the temperature, be depressurized to 4.5～4.8MPa, 40～45 ℃, carry out the recovery of carbon dioxide and dyestuff in the system, then cheese is taken out.The back cashmere cheese that will dye carries out water-fastly washing COLOR FASTNESS, colour fastness to rubbing is tested with fast light and colour fastness to weathering, and its COLOR FASTNESS all can reach 5,4 and the 4-5 level.COLOR FASTNESS is 3 grades behind the tradition cashmere cheese dyeing, adopt supercritical carbon dioxide cheese special stand dyeing of the present invention after, COLOR FASTNESS can reach the 4-5 level.
Embodiment 6
The active dispersive red dye of 5kg is put into the dyestuff still, and 50kg wool cheese is put into the cheese special stand.Open refrigeration system, reduce to 4.2～4.5MPa when pressure of storage tank, tank level rises to 427～428mm, feeds carbon dioxide.Open heating system, elevated temperature to 90～93 ℃.Open high-pressure pump, when boosting to 23～25MPa, when reaching dyeing temperature with dyeing pressure, dyeing 30～34min.After dyeing finishes, lower the temperature, be depressurized to 4～5MPa, 25～40 ℃, carry out the recovery of carbon dioxide and dyestuff, taking-up yak hair cheese.It is water-fast washes COLOR FASTNESS and reaches 4 grades, and colour fastness to rubbing is 5 grades, fast lightly all can reach 4 grades with colour fastness to weathering.The tradition cheese dyeing after the COLOR FASTNESS scope in the 3-4 level, adopt special-purpose cheese support to carry out supercritical CO 2 dyeing after, the cheese COLOR FASTNESS can reach 4-5.
Direct yellow dye 3kg is put into the dyestuff still, and cashmere cheese 75kg inserts in the cheese support, starts refrigeration system, reduces to 3.2～3.4MPa when pressure of storage tank, and tank level rises to 421～424mm, feeds carbon dioxide.Open heating system, be warming up to 140～142 ℃, open high-pressure pump and boost to 27～28MPa, dyeing 44～46min.After dyeing is accomplished, release of pressure, be cooled to 3.9～4.1MPa, 38～40 ℃, carry out the recovery of carbon dioxide and dyestuff, taking-up dye bobbin yarn.It is water-fast, and to wash COLOR FASTNESS be 3 grades, and colour fasteness to rubbing is 4 grades, fast lightly can reach 5 grades with colour fastness to weathering.When adopting traditional cashmere cheese dyeing, COLOR FASTNESS is 4 grades, adopt the dyeing of supercritical CO 2 dyeing special dyeing still after, the cheese COLOR FASTNESS rises to the 4-5 level.
Take by weighing the 4kg dispersed blue dye and put into the dyestuff still, take by weighing 60kg yak hair cheese simultaneously and put into special-purpose cheese support.Start refrigeration system, reduce to 3.5～3.6MPa when pressure of storage tank, tank level rises to 414～415mm, begins to feed carbon dioxide.Heater and oil pump are warming up to 130～132 ℃, open high-pressure pump until reaching dyeing pressure 24～25MPa, dyeing 40～43min.After dyeing is accomplished, close high-pressure pump, heater and oil pump, release of pressure, be cooled to 42～43 ℃, 4.2～4.4MPa, carry out the recovery of carbon dioxide and dyestuff, take out yak hair cheese after the dyeing.It is water-fast, and to wash COLOR FASTNESS be 5 grades, and colour fastness to rubbing is 4 grades, fast lightly can reach 3 grades with colour fastness to weathering.COLOR FASTNESS is 3 grades behind the tradition yak hair cheese dyeing, adopt the special-purpose cheese support dyeing of supercritical carbon dioxide of the present invention after, COLOR FASTNESS rises to the 4-5 level.
Embodiment 9
Taking by weighing the cotton cheese of 3kg Yellow reactive dyes and 72kg respectively inserts respectively in dyestuff still and the cheese support.Start refrigeration system, reduce to 3.0～3.1MPa when pressure of storage tank, tank level rises to 410～415mm, begins to feed carbon dioxide.Heater and oil pump, high-pressure pump rising pressure to 15～17MPa is opened in elevated temperature to 145～148 ℃, reaches under dyeing temperature and the dyeing pressure dyeing 50～53min.After dyeing finishes, close high-pressure pump, heater and oil pump, release of pressure, be cooled to 38～41 ℃, 3.4～3.7MPa, carry out the recovery of carbon dioxide and dyestuff in the system, take out the cotton cheese that dyes.It is water-fast, and to wash COLOR FASTNESS be 4 grades, and colour fastness to rubbing is 4 grades, fast lightly can reach 5 grades with colour fastness to weathering.COLOR FASTNESS is 3 grades behind the tradition cheese dyeing, adopt supercritical carbon dioxide cheese special stand of the present invention dyeing after, COLOR FASTNESS can reach 4 grades.
Claims (7)
1. a supercritical carbon dioxide cheese dyeing still comprises cylinder body (1) and cheese support (2); Cheese support (2) is fixed in the cylinder body (1); The upper end of cylinder body (1) fixedly movable sealing lid (3), lower end is provided with CO 2 fluid inlet (4), and the top of cylinder body (1) also is provided with CO 2 fluid outlet (5); Cylinder body (1) outside is fixed with heating jacket (6); The upper end of one side of heating jacket (6) is provided with heat medium outlet (7), and the lower end of opposite side is provided with heat medium inlet (8); It is characterized in that described cheese support (2) is made up of distribution domain (201), central shaft (203) and 6 plug in prickers (202); The center in said distribution domain (201) is fixed with central shaft (203), is distributed with 6 plug in prickers (202) around the outside of said central shaft (203); Said plug in pricker (202) flexibly connects with distribution domain (201), and can rotate arbitrarily around the junction; Said central shaft (203) is a porous axle construction; Said distribution domain (201) is provided with 7 holes (205); Said hole (205) is corresponding with said plug in pricker (202) inner chamber and said central shaft (203) inner chamber; The lower end of said plug in pricker (202) is fixed with rotating part (206); Said rotating part (206) is made up of cylinder (206a), support column (206b) and blade (206c); Said blade (206c) is fixed on the support column (206b), and support column (206b) is connected on the cylinder (206a) through brace summer (206d); During use, CO 2 fluid gets in the hole (205), and the blade (206c) in the rotating part (206) rotates under pressure, and rotating part (206) drives plugs in pricker (202) rotation.
2. supercritical carbon dioxide cheese dyeing still according to claim 1 is characterized in that the upper end of described plug in pricker (202) is provided with tapered end (204).
3. supercritical carbon dioxide cheese dyeing still according to claim 1 and 2 is characterized in that described central shaft (203) is upward porose, and its aperture is 4～8mm, and spacing is 2～6mm between the hole.
4. a supercritical carbon dioxide bobbin dyeing method is characterized in that dyeing through the described cheese dyeing still of claim 1.
5. supercritical carbon dioxide bobbin dyeing method according to claim 4 is characterized in that the dyeing condition of said method is: 80～160 ℃ of temperature, and pressure 14～28MPa, dyeing 20～60min; Wherein, dyestuff and cheese mass ratio are 1:10～30.
6. supercritical carbon dioxide bobbin dyeing method according to claim 5 is characterized in that described cheese is wool, cashmere, yak hair, cotton and cotton blending yarn.
7. supercritical carbon dioxide bobbin dyeing method according to claim 5 is characterized in that described dyestuff is direct dyes, REACTIVE DYES, DISPERSE DYES or reactive disperse dyes.
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Effective date of registration: 20221213 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 |