CN109440325A - Reactive dye are to cotton fabric using the spraying wet method for steaming dyeing - Google Patents
Reactive dye are to cotton fabric using the spraying wet method for steaming dyeing Download PDFInfo
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- CN109440325A CN109440325A CN201811321905.3A CN201811321905A CN109440325A CN 109440325 A CN109440325 A CN 109440325A CN 201811321905 A CN201811321905 A CN 201811321905A CN 109440325 A CN109440325 A CN 109440325A
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- steaming
- atomization box
- dye
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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
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
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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
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
- D06B15/04—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by suction
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
- D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
- D06B19/0029—Fixing of chemicals, e.g. dyestuffs, on textile materials by steam
- D06B19/0035—Fixing of chemicals, e.g. dyestuffs, on textile materials by steam the textile material passing through a chamber
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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
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/38—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using reactive dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Coloring (AREA)
Abstract
The present invention provides a kind of method that reactive dye dye fabric using spraying wet steaming, belongs to technical field of textile printing.Fabric and plate washer constitute the atomization box for having an opening in the present invention, and the dye liquor containing color fixing agent is aspirated to atomization box internal spraying in the envers in atomization box bottom position by atomising device.After fabric passes through atomization box, dyeing course is completed in the vapour steaming colour fixing in normal pressure saturated vapor, post-processing of then being washed and soaped.The spraying wet steaming of reactive dye is carried out to fabric using this method to dye, the larger fluctuation that steam box causes vapour steaming colour fixing condition to occur can be entered to avoid high band liquid rate fabric, improve fabric heating rate, shorten the fixation time, the dyestuff on fabric is reduced in hydrolysis damp and hot, in alkaline environment, be conducive to improve the degree of fixation of reactive dye, the fabric with different dyeing effects can also be obtained by adjusting spraying and Smoking regime, dye liquor proportion.
Description
Technical field
The present invention relates to a kind of fabric dyeing process to be applied to weaving more particularly to a kind of wet steaming dyeing of fabric
Dyeing and finishing technique field.
Background technique
Reactive dye chromatography is complete, bright in colour brilliant, and technique for applying is fairly simple, can form covalent bond with cotton fiber
In conjunction with being concerned, while with many disabled there are the common dyes of environmental pollution and security problems or limit the use of, activity
Dyestuff has become main alternative dyestuff, and development is especially rapid, and ready-made is the most important a class of dyes of cotton fabric.
The dyeing process that the cotton fabric continuous dyeing of reactive dye mainly uses at present are as follows: pad dye liquor → drying →
Alkali immerging → decatize rolls baking pretreatment.With the hydroxyl on cotton fiber nucleophilic substitution or parent can occur for reactive dye
Core addition reaction and form covalent bond, thus dyed fabric has very high wet colour fastness, but there is also one for reactive dyeing
A little problems, especially reactive dye with cotton fiber when reacting, there are serious hydrolysis problem, thus reactive dye utilization rate compared with
Big, the dark kind color fastness of low, quantity of wastewater effluent is poor and dyeing amount of electrolyte is big etc., hinders its expansion application, is
The difficult point of current urgent need to resolve.
In the dye process of existing reactive dye, for dye loss than more serious, it is higher to cause production cost, makes
It has been attracted extensive attention in recent years with highly effective energy-conserving environmental-protecting type technique.It has been carried out on this field and largely tastes both at home and abroad
Examination, e.g., German Hoechst company and Bruckner machinery plant joint research and development Eco-Steam system, German Monforts company
Econtrol technique is developed jointly with Zeneca company, German Babcock frame company and BASF Corp. of Germany have developed
Babco-Therm dryer is proposed Eco-Flash new process, these all belong to wet short steaming, and feature is that " short
Steam " on, have many advantages, such as that colour fixation rete is fast, dyestuff hydrolyzes less, degree of fixation is high, dye migration is few, dyeing quality is high, but these
There are problems in practice and extension for wet steaming colouring method: predominantly import equipment cost is high, and technique controlling difficulty is big, home equipment
Be left to be desired improvement.Domestic also someone has carried out some trials in this respect, and the China such as Publication No. CN104532499A is special
Benefit discloses a kind of reactive dye and pads wet steaming colouring method, is first to carry out vacuum dehumidification to the fabric after textile pad dye liquor,
The liquid carrying rate of fabric is reduced, then in vapour steaming colour fixing, but this method operationally exists certain tired in practical continuous dyeing
It is difficult.Dyestuff hydrolysis serious problems need low cost and more effective solution when reactive dye wet steams fixation at present, become
Technical problem urgently to be resolved.
Summary of the invention
In order to solve prior art problem, it is an object of the present invention to overcome the deficiencies of the prior art, and to provide one kind
For reactive dye to cotton fabric using the spraying wet method for steaming dyeing, this method can effectively reduce reactive dye in wet fabric decatize
When hydrolysis, improve the degree of fixation of reactive dye.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of method that reactive dye dye cotton fabric using spraying wet steaming, the method steps are as follows:
(1) dye liquor is spraying: the dye liquor containing color fixing agent is prepared, it at room temperature, will by atomising device to atomization box internal spraying
Fabric, which is transported in atomization box, accepts color droplet, and color droplet is applied on fabrics cloth cover, empty by adjusting atomized liquid and compression
Throughput controls spray amount；As currently preferred technical solution, in dye liquor spray process, according to spraying atomized liquid
The comparing calculation of quality and fabric quality, the applied amount of the spraying atomized liquid are 15~80wt.% of fabric quality, spraying
Amount and droplet size are adjustable；In dye liquor spray process, dye liquor spraying atomized liquid and compressed air preferably are carried out by adjusting
Flow controls spray amount；As currently preferred technical solution, in dye liquor spray process, atomization box and fabric are constituted only
There is a triangular prism bodily form box-like structure of an opening, atomization box forms that adjacent two faces of bottom side are opened wide and three side sealing closes
Cover structure, the atomization box perpendicular to fabrics cloth cover and parallel with fabric conveying direction section shape is triangular in shape；
As currently preferred technical solution, in dye liquor spray process, the bottom opening of atomization box can be covered by under atomization box
The cloth cover region of the fabric of side, the region for the fabrics cloth cover for aspirating the suction unit at least cover atomization box in one's power
Cloth cover；
(2) back side is aspirated: utilizing suction unit, suction unit is arranged in atomization box bottom position, makes fabric from atomization
Pass through between pump orifice at the top of case bottom opening and suction unit, be drawn through the fabric of the step (1) dye liquor spraying treatment,
The droplet of fabric face cloth cover is set to disappear；As currently preferred technical solution, overleaf in aspiration procedure, suction unit top
The Uneven Width width of the width energy covering fabric cloth cover of portion's pump orifice, to fabric carry out color droplet dyeing when do not aspirate less than cloth
Face region, and make above the suspended hood of falling shape that also there is no the regions of no fabrics cloth cover airbreak；As currently preferred technical side
Case relative to the terminal position of suction unit, i.e., leaves the boundary bit of atomization box along fabric conveying direction relative to fabric
It sets, the terminal position of atomization box is forward, and the suction fabrics cloth cover of suction unit at least covers atomization box progress dye liquor and is sprayed
Fabrics cloth cover in one's power, i.e. fabric are then departed from the boundary bit of suction unit after leaving the boundary position of suction unit
It sets；Overleaf in aspiration procedure, suction monsoon intensity is preferably adjusted, the liquid carrying rate 15~35% of fabric after suction is made；
(3) wet steaming fixation: the fabric handled through the step (2) is transported in steaming box, in normal pressure saturated vapor
Decatize completes wet steaming color fixing process；In wet steaming laking process, 100~102 DEG C of steam temperature, preferably fixation time are preferably controlled
For 1~5min；
(4) post-processing: then will be washed and be soaped by the fabric of the step (3) processing post-processing, then be carried out
It is dry, dyeing course is completed, to obtain using spraying wet steam continuous dyeing fabric.As currently preferred technical solution,
In last handling process, when by being post-processed by the fabric of step (3) processing, washed and multistage hot water wash using multistage cold water
Subsequent processing mode, step are as follows: first order cold water, which is washed, → first order hot water wash → soaps → second level hot water wash → second level
Cold water washes → naturally dry；
Wherein, when carrying out first order hot water wash, 3min is not less than to fabric washing with 50~60 DEG C of hot water；Carrying out soap
When washing, bath raio 1:50 is not less than 15min to fabric washing processing at not higher than 90 DEG C；When carrying out second level hot water wash,
3min is not less than to fabric washing with 70~80 DEG C of hot water.
As currently preferred technical solution, by adjusting atomization formula of liquid, spray amount, mist containing color fixing agent and dyestuff
The combination for dripping size, any one process conditions in suction monsoon intensity or any several process conditions, can be carried out fabric
Any one technique of single side coloring, the coloring of front and back sides yin-yang and front and back sides with three kinds of different dyeings in chromatic colorant.
The present invention compared with prior art, has following obvious prominent substantive distinguishing features and remarkable advantage:
1. the method for the present invention utilizes spray art, knitted cotton is applied to by spraying mode containing color fixing agent and dye liquid
In atomization box on object, using suction unit, aspirated before atomization box bottom from the back side of cotton fabric, dye liquor and color fixing agent is equal
It is applied in cotton fabric evenly, the fixation of dyestuff is completed by decatize；Fabric with liquid rate avoid hot wind baking down to 15~35%
The problems such as dry dye migration being likely to occur when reducing fabric with liquid rate, overcome existing wet short steaming staining technique to dyeing installation and
The rigors of technique；Dye liquor is evenly applied in cotton fabric, by the position of atomization box bottom front, from the cotton fabric back side
Dye liquor droplet is aspirated, guarantees that dye liquor is evenly applied in fabric；Reactive dye are effectively reduced in wet fabric in vapour steaming colour fixing
Hydrolysis, improve the degree of fixation of reactive dye, in addition can be to avoid using first reducing fabric with liquid rate, then carry out wet fixation of steaming
Conventional coloring method；
2. the method for the present invention is avoided that high liquid carrying rate fabric enters the larger wave that steaming box causes temperature and humidity in steam box
It is dynamic, be conducive to the stable and consistent for maintaining vapour steaming colour fixing condition, accelerate the heating rate of wet fabric, shortens the wet steaming fixation time, subtract
Few steam consumption；
3. in conventional dyeing process, in order to overcome reactive dye dye-uptake low, mass fraction of the dyestuff in sewage is reduced,
It also needs that a large amount of neutral electrolyte is added when dyeing, but the pollution of electrolyte can not be ignored the pollution of environment, and be difficult
Processing；The reactive dyeing process of the method for the present invention is pollution-free without adding electrolyte, easy to handle；
4. the method for the present invention can obtain the cotton fabric of different dyeing effects by adjusting dyeing, and can be by adjusting
Formula for dye liquor, spray amount, droplet size and suction monsoon intensity containing color fixing agent, available single side coloring, front and back sides two tone colour
With the homochromy three kinds of different dyeing effects in front and back sides, while there are very high soaping fastness and crock fastness, meets wearability
It needs；
5. the method for the present invention the method for the present invention technical process is simple, at low cost, it is suitble to a large amount of preparations, it is easy to accomplish industry
Change.
Specific embodiment
Above scheme is described further below in conjunction with specific implementation example, the preferred embodiment of the present invention is described in detail such as
Under:
Embodiment one
In the present embodiment, raw materials used in each experimental group, reactive dye are De Sida (Shanghai) trade Co., Ltd
Commercial product, remaining raw material are commercial product.
A kind of method that reactive dye dye cotton fabric using spraying wet steaming, specific steps are as follows:
(1) dye liquor is spraying: the dye liquor containing color fixing agent is prepared, it at room temperature, will by atomising device to atomization box internal spraying
Fabric, which is transported in atomization box, accepts color droplet, and color droplet is applied on fabrics cloth cover, empty by adjusting atomized liquid and compression
Throughput controls spray amount；In dye liquor spray process, according to the comparing calculation of spraying atomized liquid quality and fabric quality,
The applied amount of the spraying atomized liquid is 25.85~69.85wt.% of fabric quality, is shown in Table 1, spray amount and droplet size
It is adjustable；In dye liquor spray process, spray amount is controlled by adjusting progress dye liquor spraying atomized liquid and compressed air require；
In dye liquor spray process, atomization box and fabric constitute only one triangular prism bodily form box-like structure being open, and atomization box is formed
Two adjacent faces of bottom side are opened wide and the cover structure that closes of three side sealing, the atomization box perpendicular to fabrics cloth cover and with
The parallel section shape of fabric conveying direction is triangular in shape；In dye liquor spray process, the bottom opening of atomization box can cover warp
The cloth cover region of the fabric below atomization box is crossed, the region for the fabrics cloth cover for aspirating the suction unit at least covers mist
Change the cloth cover of case in one's power；
(2) back side is aspirated: utilizing suction unit, suction unit is arranged in atomization box bottom position, makes fabric from atomization
Pass through between pump orifice at the top of case bottom opening and suction unit, be drawn through the fabric of the step (1) dye liquor spraying treatment,
The droplet of fabric face cloth cover is set to disappear；Overleaf in aspiration procedure, the width energy covering fabric of pump orifice at the top of suction unit
The Uneven Width width of cloth cover, to fabric do not aspirated when the dyeing of color droplet less than cloth cover region, and make on the suspended hood of falling shape
Also there is no the regions of no fabrics cloth cover airbreak for side；Along fabric conveying direction, relative to the terminal position of suction unit, i.e. phase
The boundary position of atomization box is left for fabric, the terminal position of atomization box is forward, and the suction fabrics cloth cover of suction unit
At least covering atomization box carries out the spraying fabrics cloth cover in one's power of dye liquor, i.e., fabric the boundary position for leaving suction unit it
Afterwards, it is then departed from the boundary position of suction unit；Overleaf in aspiration procedure, suction monsoon intensity is adjusted, makes fabric after aspirating
Liquid carrying rate is 22.12~30.41%, referring to table 1；
(3) wet steaming fixation: the fabric handled through the step (2) is transported in steaming box, in normal pressure saturated vapor
Wet steaming color fixing process is carried out in decatize；In wet steaming laking process, control 100~102 DEG C of steam temperature, the fixation time be 1~
4min, referring to table 1；
(4) post-processing: then will be washed and be soaped by the fabric of the step (3) processing post-processing, then be carried out
It is dry, dyeing course is completed, to obtain using spraying wet steam continuous dyeing fabric.In last handling process, step will be passed through
(3) when the fabric handled is post-processed, the subsequent processing mode with multistage hot water wash, step are washed using multistage cold water are as follows: the
Level-one cold water, which is washed, → first order hot water wash → soaps → and second level hot water wash → second level cold water washes → naturally dry；
Wherein, when carrying out first order hot water wash, with 50~60 DEG C of hot water to fabric washing 3min；When being soaped,
Using standard soap flakes 3g/L, bath raio 1:50,15min is handled to fabric washing at 90 DEG C；When carrying out second level hot water wash,
With 70~80 DEG C of hot water to fabric washing 3min.
The dyeing of each experimental group of embodiment one: spraying → back side suction → wet steaming fixation.
Dye liquor is prepared according to dye material dosage described in table 1, and spraying accordingly, suction and wet steaming are solid to cotton fabric progress
Color.Fabric used is the plain weave cotton fabric after drift is boiled in pre-treatment.
The dye liquor composition and dyeing conditional information table of each experimental group of 1. embodiment one of table
After dyeing fabric degree of fixation measurement referring to " measurement of GB/T 27592-2011 reactive dye pad dyeing degree of fixation " into
Row, the detection of soaping fastness and crock fastness is with Xu Muqing " printing and dyeing examination chemical examination " text and national standard GB/T 3920-2008, GB/
Method as defined in 8424.1~3-2001 of T3921.1~5-2008 and GB/T carries out.Soaping fastness test is carried out in the present embodiment
When, calico fitting sewing is in the one side for needing to test dyed cotton fabric.
The experimental result of the embodiment of the present invention is as shown in table 2.
Dyeing effect, degree of fixation and the dyefastness tables of data of the dyed fabric of each experimental group of 2. embodiment one of table
By upper table test result it can be seen that being sprayed the dyeing of wet steaming, reactive dye using cotton fabric by utilizing reactive dye
Degree of fixation up to height, 90% is above, higher than the dye fixing rate in conventional dyeing.The front of dyed cotton fabric and anti-
The soaping fastness test in face shows to change colour as former state and calico staining is above 3~4 grades；The obverse and reverse of dyed cotton fabric
Crock fastness test result shows that unlubricated friction and wet rub also are not less than 3~4 grades, illustrates the obverse and reverse of dyed cotton fabric
Dyefastness satisfaction takes requirement.In addition, can also regulate and control dyeing as needed, the dye of front and back sides different colours depth is obtained
Color cotton fabric.
Fabric and plate washer constitute the atomization box for having an opening in the present embodiment, and the dye liquor containing color fixing agent is passed through atomization dress
It sets to atomization box internal spraying, is aspirated in the envers in atomization box bottom position.After fabric passes through atomization box, in normal pressure
Dyeing course is completed in vapour steaming colour fixing in saturated vapor, post-processing of then being washed and soaped.Using the present embodiment method to cotton
Fabric carries out the spraying wet steaming dyeing of reactive dye, steam box can be entered to avoid high band liquid rate fabric, vapour steaming colour fixing condition is caused to occur
Larger fluctuation, improve fabric heating rate, shorten the fixation time, reduce fabric on dyestuff in damp and hot, alkaline environment
Hydrolysis is conducive to the degree of fixation for improving reactive dye, can also be had by adjusting spraying and Smoking regime, dye liquor proportion
There is the cotton fabric of different dyeing effects.
The present embodiment method utilizes spray art, knits cotton is applied to by spraying mode containing color fixing agent and dye liquid
In atomization box on object, using suction unit, aspirated before atomization box bottom from the back side of cotton fabric, dye liquor and color fixing agent is equal
It is applied in cotton fabric evenly, the fixation of dyestuff is completed by decatize；Fabric with liquid rate avoid hot wind baking down to 22.12%
The problems such as dry dye migration being likely to occur when reducing fabric with liquid rate, overcome existing wet short steaming staining technique to dyeing installation and
The rigors of technique；Dye liquor is evenly applied in cotton fabric, by the position of atomization box bottom front, from the cotton fabric back side
Dye liquor droplet is aspirated, guarantees that dye liquor is evenly applied in fabric；Reactive dye are effectively reduced in wet fabric in vapour steaming colour fixing
Hydrolysis, improve the degree of fixation of reactive dye, in addition can be to avoid using first reducing fabric with liquid rate, then carry out wet fixation of steaming
Conventional coloring method；The present embodiment method be avoided that high liquid carrying rate fabric enter steaming box cause temperature and humidity in steam box compared with
Great fluctuation process is conducive to the stable and consistent for maintaining vapour steaming colour fixing condition, accelerates the heating rate of wet fabric, when shortening wet steaming fixation
Between, reduce steam consumption；
In conventional dyeing process, in order to overcome reactive dye dye-uptake low, mass fraction of the dyestuff in sewage is reduced,
It also needs that a large amount of neutral electrolyte is added when dyeing, but the pollution of electrolyte can not be ignored the pollution of environment, and be difficult
Processing；The reactive dyeing process of the present embodiment method is pollution-free without adding electrolyte, easy to handle；The present embodiment method
The method of the present invention technical process is simple, at low cost, is suitble to a large amount of preparations, it is easy to accomplish industrialization.
Embodiment two
The present embodiment is basically the same as the first embodiment, and is particular in that:
In the present embodiment, by adjusting containing color fixing agent and the atomization formula of liquid of dyestuff, spray amount, droplet size, suction
The combination of any one process conditions or any several process conditions in monsoon intensity, the single side that can be carried out fabric colour, just
The coloring of reverse side yin-yang is with front and back sides with any one technique of three kinds of different dyeings in chromatic colorant.The present embodiment method energy
By adjusting dyeing, the cotton fabric of different dyeing effects is obtained, and can be by adjusting the formula for dye liquor, spraying containing color fixing agent
Amount, droplet size and suction monsoon intensity, available single side coloring, the homochromy three kinds of different dyes of front and back sides two tone colour and front and back sides
Color effect, while having very high soaping fastness and crock fastness, meet the needs of wearability.Using the present embodiment reactive dye
The dyeing of wet steaming is dyed, and the liquid carrying rate of fabric is knitted down to 15~35% suitable for contaminating cotton on reactive dye before decatize
Object avoids high liquid carrying rate fabric from entering the larger fluctuation that steam box causes vapour steaming colour fixing condition to occur, improves the fixation of reactive dye
Rate, moreover it is possible to obtain the cotton fabric of different dyeing effects by adjusting the present embodiment device and dyeing.
The embodiment of the present invention is illustrated above, but the present invention is not limited to the above embodiments, it can also be according to this hair
The purpose of bright innovation and creation makes a variety of variations, and that does under the Spirit Essence and principle of all technical solutions according to the present invention changes
Become, modification, substitution, combination or simplified, should be equivalent substitute mode, as long as meeting goal of the invention of the invention, as long as not
This is belonged to using the technical principle and inventive concept of the spraying wet method for steaming dyeing to cotton fabric away from reactive dye of the present invention
The protection scope of invention.
Claims (10)
1. a kind of reactive dye are to cotton fabric using the spraying wet method for steaming dyeing, which is characterized in that the method steps are as follows:
(1) dye liquor is spraying: the dye liquor containing color fixing agent is prepared, at room temperature, by atomising device to atomization box internal spraying, by fabric
It is transported in atomization box and accepts color droplet, color droplet is applied on fabrics cloth cover, by adjusting atomized liquid and compressed air stream
Amount is to control spray amount；
(2) back side is aspirated: utilizing suction unit, suction unit is arranged in atomization box bottom position, makes fabric from atomization box bottom
Pass through between pump orifice at the top of portion's opening and suction unit, is drawn through the fabric of the step (1) dye liquor spraying treatment, makes to knit
The droplet of object front cloth cover disappears；
(3) wet steaming fixation: the fabric handled through the step (2) is transported in steaming box, the decatize in normal pressure saturated vapor
Complete wet steaming color fixing process；
(4) post-processing: then will be washed and be soaped by the fabric of the step (3) processing post-processing, then be dried,
Dyeing course is completed, to obtain using spraying wet steam continuous dyeing fabric.
2. reactive dye are to cotton fabric using the spraying wet method for steaming dyeing according to claim 1, it is characterised in that: in institute
It states in step (1) dye liquor spray process, according to the comparing calculation of spraying atomized liquid quality and fabric quality, the spraying mist
The applied amount for changing liquid is 15~80wt.% of fabric quality, and spray amount and droplet size are adjustable.
3. reactive dye are to cotton fabric using the spraying wet method for steaming dyeing according to claim 1, it is characterised in that: in institute
It states in step (1) dye liquor spray process, it is spraying to control by adjusting progress dye liquor spraying atomized liquid and compressed air require
Amount.
4. reactive dye are to cotton fabric using the spraying wet method for steaming dyeing according to claim 1, it is characterised in that: in institute
It states in step (1) dye liquor spray process, atomization box and fabric constitute only one triangular prism bodily form box-like structure being open, atomization
Box-shaped is opened wide at two adjacent faces of bottom side and the cover structure that closes of three side sealing, the atomization box perpendicular to fabrics cloth cover
And the section shape parallel with fabric conveying direction is triangular in shape.
5. reactive dye are to cotton fabric using the spraying wet method for steaming dyeing according to claim 1, it is characterised in that: in institute
It states in step (1) dye liquor spray process, the bottom opening of atomization box can cover the cloth cover region of the fabric below by atomization box,
The region for the fabrics cloth cover for aspirating the suction unit at least covers the cloth cover of atomization box in one's power.
6. reactive dye are to cotton fabric using the spraying wet method for steaming dyeing according to claim 1, it is characterised in that: in institute
It states in the aspiration procedure of step (2) back side, the Uneven Width width of the width energy covering fabric cloth cover of pump orifice at the top of suction unit, to knitting
Object do not aspirated when the dyeing of color droplet less than cloth cover region, and make above the suspended hood of falling shape that also there is no no fabrics cloth covers
The region of airbreak；Atomization box is left relative to fabric relative to the terminal position of suction unit along fabric conveying direction
The terminal position of boundary position, atomization box is forward, and the suction fabrics cloth cover of suction unit at least covers atomization box and contaminated
The spraying fabrics cloth cover in one's power of liquid, i.e. fabric are then departed from suction unit after leaving the boundary position of suction unit
Boundary position.
7. reactive dye are to cotton fabric using the spraying wet method for steaming dyeing according to claim 1, it is characterised in that: in institute
It states in the aspiration procedure of step (2) back side, adjusts suction monsoon intensity, make the liquid carrying rate 15~35% of fabric after suction.
8. reactive dye are to cotton fabric using the spraying wet method for steaming dyeing according to claim 1, it is characterised in that: in institute
It states in the wet steaming laking process of step (3), steam temperature is 100~102 DEG C, and the fixation time is 1~5min.
9. reactive dye are to cotton fabric using the spraying wet method for steaming dyeing according to claim 1, it is characterised in that: in institute
It stating in step (4) last handling process, when by being post-processed by the fabric of the step (3) processing, being washed using multistage cold water
With the subsequent processing mode of multistage hot water wash, step are as follows: first order cold water, which is washed, → first order hot water wash → soaps → second level heat
Washing → second level cold water washes → naturally dry；
Wherein, when carrying out first order hot water wash, 3min is not less than to fabric washing with 50~60 DEG C of hot water；It is soaping
When, bath raio 1:50 is not less than 15min to fabric washing processing at not higher than 90 DEG C；When carrying out second level hot water wash, use
70~80 DEG C of hot water are not less than 3min to fabric washing.
10. reactive dye are to cotton fabric using the spraying wet method for steaming dyeing according to claim 1, it is characterised in that: logical
Cross atomization formula of liquid of the adjustment containing color fixing agent and dyestuff, spray amount, droplet size, any one technique item in suction monsoon intensity
The combination of part or any several process conditions, the single side coloring, the coloring of front and back sides yin-yang and front and back sides that can be carried out fabric are homochromy
Any one technique of three kinds of different dyeings in coloring.
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| CN114411437A (en) * | 2022-03-18 | 2022-04-29 | 刘政 | Dyeing method of cotton fabric |
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