CN107044055A - A kind of method of the few water dyed cotton fabric of cochineal red pigment - Google Patents
A kind of method of the few water dyed cotton fabric of cochineal red pigment Download PDFInfo
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- CN107044055A CN107044055A CN201710258365.8A CN201710258365A CN107044055A CN 107044055 A CN107044055 A CN 107044055A CN 201710258365 A CN201710258365 A CN 201710258365A CN 107044055 A CN107044055 A CN 107044055A
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- red pigment
- cotton fabric
- cochineal red
- bafta
- dyed cotton
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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
- D06P1/34—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 natural dyestuffs
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/68—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/72—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with metaphosphoric acids or their salts; with polyphosphoric acids or their salts; with perphosphoric acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/11—Compounds containing epoxy groups or precursors thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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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
- 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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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Abstract
The invention belongs to natural dye dying method technical field, and in particular to a kind of method of the few water dyed cotton fabric of cochineal red pigment.The inventive method includes：A, preparation dressing liquid：Chitosan is taken, acetic acid on the rocks, stirring obtains chitosan dilution dressing liquid；B, Cotton Fabric：Bafta is pressed 1:In 30 bath raioes immersion chitosan finishing liquid, plus crosslinking agent, processing is rolled using two leachings two, is placed in acid neutralizes environment, is washed, bakee, obtain chitin modified bafta；C, preparation dye liquor：In the mixed solution that cochineal red pigment is dissolved in organic solvent and water, stirring obtains dye liquor；D, dyeing：Chitin modified bafta is pressed 1：30 bath raioes are placed in dye liquor, are washed, and are dried, are produced.The present invention is dyed using organic solvent system by carrying out chitin modified processing to bafta, reduces the discharge of dyeing waste-water, improve the water repellency of bafta, improve dye-uptake and color fastness of the cochineal red pigment to bafta.
Description
Technical field
The invention belongs to natural dye dying method technical field, and in particular to a kind of few water dyed cotton of cochineal red pigment is knitted
The method of thing.
Background technology
Natural dye is to compare special one kind in dye industry, is mostly come from the Nature, natural dye refer to from
It is being obtained in plant, animal or mineral resources, without artificial synthesized, the dyestuff of little or no process chemical process.Natural dye
Material can be divided into vegetable colour, animal dye and mineral dye according to source, wherein based on vegetable colour.Cochineal color is
It is different from other natural pigments from a kind of natural anthraquinone pigments for being extracted in the cochineal female adult body on cactus are colonized in,
Its physicochemical property is highly stable, tone in pink to purplish red, be considered safest natural pigment and be used for food, cosmetics,
Medicine and textile etc. are produced.
Cochineal red pigment is dissolved in after water, and dye matrix is negatively charged, to the accessibility of silk and wool proteinoid fiber
Preferably, and the cellulosic fibre such as cotton is because of electronegativity, it is generally poor to the dyeing ability of cochineal red pigment, certain methods can be passed through
To improve its dyeability.
Such as Chinese patent 201510661513.1, a kind of bafta uses cation modifier without mordant dyeing color method
LD8202 etc. carries out surface modification to bafta, improves dye-uptake and color fastness of the alkermes on bafta, but improve
Effect it is limited.
Having no water or little water colouring method generally comprises supercritical CO 2 dyeing, solvent dyeing, vacuum dyestuff liter at present
China's dyeing.But supercritical CO 2 dyeing equipment requirement is high, cost is big, and investment is high, does not meet reality, vacuum dye sublimation dye
Color limitation is big, and only a small amount of dyestuff could complete distillation, and the operation of solvent dyeing is then relatively easy.The dyeing of organic solvent is big
Focus mostly in the dyeing of the chemical dye such as disperse dyes and reactive dye, such as the He of Chinese patent 201510683767.3
201410152912.0 etc., and the dyeing of the organic solvent of natural dye alkermes then has no report.
The content of the invention
Dyeing waste-water discharge can be reduced it is an object of the invention to overcome the deficiencies of the prior art and provide one kind, is improved
Cotton fabric waterproofing performance, improves cochineal red pigment and the dye-uptake of bafta and the few water dyed cotton of the cochineal red pigment of color fastness is knitted
The method of thing.
The method of the few water dyed cotton fabric of a kind of cochineal red pigment of the present invention, it is characterised in that comprise the following steps：
A, preparation dressing liquid：Chitosan is taken, glacial acetic acid is added, stirring obtains the chitosan finishing liquid that concentration is 5g/L ~ 15g/L；
B, Cotton Fabric：Bafta is pressed 1:In the chitosan finishing liquid that 30 bath raioes immersion a steps are obtained, plus crosslinking agent, adopt
The liquid carrying rate for rolling pure cotton fabric after processing, processing with two leachings two is 50%~100%, and 2~5min is placed in acid neutralizes environment,
Washing, bakees, obtains chitin modified bafta；
C, preparation dye liquor：In the mixed solution that cochineal red pigment is dissolved in organic solvent and water, stirring obtains dye liquor；
D, dyeing：The chitin modified bafta that b step is obtained is by 1:30 bath raioes, which are placed in the dye liquor that step c is obtained, to be contaminated
Color, is washed, and is dried, the chitin modified bafta dyed.
The method of the few water dyed cotton fabric of above-mentioned a kind of cochineal red pigment, wherein the relative molecular weight of chitosan is 5
×105~7 × 105, glacial acetic acid mass percentage concentration is 1% ~ 3%.
The method of the few water dyed cotton fabric of above-mentioned a kind of cochineal red pigment, wherein the addition of the crosslinking agent is dressing liquid
The 0.5% ~ 2% of weight.
Further, the method for the few water dyed cotton fabric of above-mentioned a kind of cochineal red pigment, wherein the crosslinking agent is three
At least one of polyphosphate sodium, epoxychloropropane, citric acid.
The method of the few water dyed cotton fabric of above-mentioned a kind of cochineal red pigment, wherein it is ammonia ring that the acid, which neutralizes environment,
Border.
A kind of method of the few water dyed cotton fabric of above-mentioned cochineal red pigment, wherein the stoving temperature is 40~80 DEG C,
The baking time is 10~60min.
The method of the few water dyed cotton fabric of above-mentioned a kind of cochineal red pigment, wherein the mixing in the organic solvent with water
In solution, the percent by volume that organic solvent accounts for mixed solution is 90%~95%.
Further, the method for the few water dyed cotton fabric of above-mentioned a kind of cochineal red pigment, wherein the organic solvent is
Alcohol organic solvent, alcohol organic solvent is one kind in ethanol or isopropanol.
A kind of method of the few water dyed cotton fabric of above-mentioned cochineal red pigment, cochineal red pigment wherein described in step c
Addition is the 0.1%~5% of bafta quality.
A kind of method of the few water dyed cotton fabric of above-mentioned cochineal red pigment, dyeing temperature is 40 wherein described in Step d
~90 DEG C, dyeing time is 30~80min.
The present invention is modified processing to bafta to improve cochineal red pigment to the dyeing ability of bafta with chitosan
Afterwards, dyed using organic solvent system, reducing dyeing waste-water discharge, while improving cotton fabric waterproofing performance, improving
Cochineal red pigment is to bafta（Cotton fabrics and cotton fabrics）Dye-uptake and color fastness, this to improve textile add
Value, widens application of the natural dye in field of textiles, reduces natural dye dying process to the pollution of environment and saves useless
The cost tool of water process is of great significance.
Embodiment
Technical scheme is described in further detail with reference to specific embodiment, but protection scope of the present invention is not
It is confined to as described below.
Embodiment 1
The method of the few water dyed cotton fabric of cochineal red pigment, specific colouring method is as follows：
A. dressing liquid is prepared：
It is 6 × 10 by relative molecular mass5Chitosan be placed in mass percentage concentration be 1% glacial acetic acid in, stir until
It is completely dissolved, is configured to the chitosan finishing liquid that concentration is 8g/L；
B. pure cotton fabric is arranged：Pure cotton fabric is pressed 1:30 bath raioes are placed in the dressing liquid prepared through a steps, add dressing liquid weight
The sodium tripolyphosphate of amount 0.5%, the liquid carrying rate that pure cotton fabric after processing, processing is rolled using two leachings two is 60%, in ammonia atmosphere
2 ~ 5min is placed, is then washed, 40 DEG C of baking 60min obtain chitin modified bafta；
C. dye liquor is prepared：Natural dye cochineal red pigment is placed in the mixed liquor of second alcohol and water, ethanol accounts for the body of mixed solution
Product percentage is 93%, and stir preparation dye liquor, and the addition of natural dye cochineal red pigment is the 1% of bafta quality；
D. dyeing course：Chitin modified bafta is pressed 1:30 bath raioes are placed in the dye liquor of step c preparation and dyed, wherein, dye
Color temperature is 80 DEG C, and dyeing time is 30 minutes；Dyeing finishes taking-up cloth specimen, washes, dries, obtain the chitin modified cotton of dyeing
Fabric.
Determined through Computer color testing color matching instrument, the K/S values of above-mentioned dyed cotton fabric are 13.4, by GB/T 3921.1-1997
3 grades of soaping fastness is determined, 4~5 grades of dry fastness, 4 grades of fastness to wet rubbing are determined by GB/T 3920-1997.Through contact angle
Analyzer measures contact angle for 110 °.
Embodiment 2
The method of the few water dyed cotton fabric of cochineal red pigment, specific colouring method is as follows：
A. dressing liquid is prepared：
It is 7 × 10 by relative molecular mass5Chitosan be placed in mass percentage concentration be 3% glacial acetic acid in, stir until
It is completely dissolved, is configured to 12g/L chitosan finishing liquid；
B. pure cotton fabric is arranged：Pure cotton fabric is pressed 1:30 bath raioes are placed in the dressing liquid prepared through a steps, add dressing liquid weight
The sodium tripolyphosphate of amount 1.5%, the liquid carrying rate that pure cotton fabric after processing, processing is rolled using two leachings two is 90%, in ammonia atmosphere
2 ~ 5min is placed, is then washed, 80 DEG C of baking 20min obtain chitin modified bafta；
C. dye liquor is prepared：Natural dye cochineal red pigment is placed in the mixed liquor of isopropyl alcohol and water, isopropanol accounts for mixed solution
Percentage by volume be 95%, stir and be configured to dye liquor, the addition of natural dye cochineal red pigment is bafta quality
3%；
D. dyeing course：Chitin modified bafta is pressed 1:30 bath raioes are placed in the dye liquor of step c preparation and dyed, wherein, dye
Color temperature is 90 DEG C, and dyeing time is 80 minutes；Dyeing finishes taking-up cloth specimen, washes, dries, obtain the chitin modified cotton of dyeing
Fabric.
Determined through Computer color testing color matching instrument, the K/S values of above-mentioned dyed cotton fabric are 15.2, by GB/T 3921.1-1997
3 grades of soaping fastness is determined, 4~5 grades of dry fastness, 4 grades of fastness to wet rubbing are determined by GB/T 3920-1997.Through contact angle
Analyzer measures contact angle for 130 °.
Embodiment 3
The method of the few water dyed cotton fabric of cochineal red pigment, specific colouring method is as follows：
A. dressing liquid is prepared：
It is 5 × 10 by relative molecular mass5Chitosan be placed in mass percentage concentration be 1% glacial acetic acid in, stir until
It is completely dissolved, is configured to 10g/L chitosan finishing liquid；
B. pure cotton fabric is arranged：Pure cotton fabric is pressed 1:30 bath raioes are placed in the dressing liquid prepared through a steps, add dressing liquid weight
The epoxychloropropane of amount 1%, the liquid carrying rate that pure cotton fabric after processing, processing is rolled using two leachings two is 100%, in ammonia atmosphere
2 ~ 5min is placed, is then washed, 60 DEG C of baking 30min obtain chitin modified bafta；
C. dye liquor is prepared：Natural dye cochineal red pigment is placed in the mixed liquor of second alcohol and water, ethanol accounts for the body of mixed solution
Product percentage is 93%, stirs and is configured to dye liquor, and the addition of natural dye cochineal red pigment is the 3% of bafta quality；
D. dyeing course：Chitin modified bafta is pressed 1:30 bath raioes are placed in the dye liquor of step c preparation and dyed, wherein, dye
Color temperature is 80 DEG C, and dyeing time is 40 minutes；Dyeing finishes taking-up cloth specimen, washes, dries, obtain the chitin modified cotton of dyeing
Fabric.
Determined through Computer color testing color matching instrument, the K/S values of above-mentioned dyed cotton fabric are 16.7, by GB/T 3921.1-1997
3 grades of soaping fastness is determined, 4~5 grades of dry fastness, 4 grades of fastness to wet rubbing are determined by GB/T 3920-1997.Through contact angle
Analyzer measures contact angle for 101 °.
Embodiment 4
The method of the few water dyed cotton fabric of cochineal red pigment, specific colouring method is as follows：
A. dressing liquid is prepared：
It is 6 × 10 by relative molecular mass5Chitosan be placed in mass percentage concentration be 2% glacial acetic acid in, stir until
It is completely dissolved, is configured to 10g/L chitosan finishing liquid；
B. pure cotton fabric is arranged：Pure cotton fabric is pressed 1:30 bath raioes are placed in the dressing liquid prepared through a steps, add dressing liquid weight
Amount 2% citric acid, using two leaching two roll pure cotton fabric after processing, processing liquid carrying rates be 50%, in ammonia atmosphere placement 2 ~
5min, is then washed, 50 DEG C of baking 50min, obtains chitin modified bafta；
C. dye liquor is prepared：Natural dye cochineal red pigment is placed in the mixed liquor of isopropyl alcohol and water, isopropanol accounts for mixed solution
Percentage by volume be 92%, stir and be configured to dye liquor, the addition of natural dye cochineal red pigment is bafta quality
2%；
D. dyeing course：Chitin modified bafta is pressed 1:30 bath raioes are placed in the dye liquor of step c preparation and dyed, wherein, dye
Color temperature is 80 DEG C, and dyeing time is 40 minutes；Dyeing finishes taking-up cloth specimen, washes, dries, obtain the chitin modified cotton of dyeing
Fabric.
Determined through Computer color testing color matching instrument, the K/S values of above-mentioned dyed cotton fabric are 17.3, by GB/T 3921.1-1997
3 ~ 4 grades of soaping fastness is determined, 4~5 grades of dry fastness, 4 grades of fastness to wet rubbing are determined by GB/T 3920-1997.Through contact
Angle analyzer measures contact angle for 145 °.
Embodiment 5
The method of the few water dyed cotton fabric of cochineal red pigment, specific colouring method is as follows：
A. dressing liquid is prepared：
It is 7 × 10 by relative molecular mass5Chitosan be placed in mass percentage concentration be 3% glacial acetic acid in, stir until
It is completely dissolved, is configured to 15g/L chitosan finishing liquid；
B. pure cotton fabric is arranged：Pure cotton fabric is pressed 1:30 bath raioes are placed in the dressing liquid prepared through a steps, add dressing liquid weight
The citric acid of amount 1.5%, the liquid carrying rate that pure cotton fabric after processing, processing is rolled using two leachings two is 80%, is placed in ammonia atmosphere
2 ~ 5min, is then washed, 60 DEG C of baking 30min, obtains chitin modified bafta；
C. dye liquor is prepared：Natural dye cochineal red pigment is placed in the mixed liquor of second alcohol and water, ethanol accounts for the body of mixed solution
Product percentage is 93%, and stir preparation dye liquor, and the addition of natural dye cochineal red pigment is the 0.5% of bafta quality；
D. dyeing course：Chitin modified bafta is pressed 1:30 bath raioes are placed in the dye liquor of step c preparation and dyed, wherein, dye
Color temperature is 60 DEG C, and dyeing time is 50 minutes；Dyeing finishes taking-up cloth specimen, washes, dries, obtain the chitin modified cotton of dyeing
Fabric.
Determined through Computer color testing color matching instrument, the K/S values of above-mentioned dyed cotton fabric are 15.5, by GB/T 3921.1-1997
3 grades of soaping fastness is determined, 4~5 grades of dry fastness, 4 grades of fastness to wet rubbing are determined by GB/T 3920-1997.Through contact angle
Analyzer measures contact angle for 130 °.
Comparative example 1
The method of alkermes element dyed cotton fabric, specific method is as follows：
A. dye liquor is prepared：Natural dye cochineal red pigment is placed in the mixed liquor of second alcohol and water, ethanol accounts for the body of mixed solution
Product percentage is 93%, and stir preparation dye liquor, and the addition of natural dye cochineal red pigment is the 5% of bafta quality；
B. dyeing course：Bafta is directly pressed 1:30 bath raioes are placed in the dye liquor of a steps preparation and dyed, wherein, dyeing temperature
For 80 DEG C, dyeing time is 60 minutes；Dyeing finishes taking-up cloth specimen, washes, dries, obtain dyed cotton fabric.
Determined through Computer color testing color matching instrument, the K/S values of above-mentioned dyed cotton fabric are 5.6, are surveyed by GB/T 3921.1-1997
Determine 2 grades of soaping fastness, 4 grades of dry fastness, 3 ~ 4 grades of fastness to wet rubbing are determined by GB/T 3920-1997.Through contact angle determination
Instrument measures contact angle for 130 °.Water is quickly sprawled in fabric face, and contact angle can not reading numerical values.
Comparative example 2
The method of alkermes element dyed cotton fabric, specific method is as follows：
A. dye liquor is prepared：Natural dye cochineal red pigment is placed in pure water, stir preparation dye liquor, natural dye cochineal
The addition of red pigment is the 5% of bafta quality；
B. dyeing course：Bafta is directly pressed 1:30 bath raioes are placed in the dye liquor of a steps preparation and dyed, wherein, dyeing temperature
For 90 DEG C, dyeing time is 60 minutes；Dyeing finishes taking-up cloth specimen, washes, dries, obtain dyed cotton fabric.
Determined through Computer color testing color matching instrument, the K/S values of above-mentioned dyed cotton fabric are 3.2, are surveyed by GB/T 3921.1-1997
Determine 2 grades of soaping fastness, 4 grades of dry fastness, 3 grades of fastness to wet rubbing are determined by GB/T 3920-1997.Water is fast in fabric face
Speed is sprawled, and contact angle can not reading numerical values.
Comparative example 3
The method of alkermes element dyed cotton fabric, specific method is as follows：
A. dressing liquid is prepared：
It is 7 × 10 by relative molecular mass5Chitosan be placed in concentration be 3% glacial acetic acid in, stir until completely it is molten
Solution, is configured to 15g/L chitosan finishing liquid；
B. pure cotton fabric is arranged：Pure cotton fabric is pressed 1:30 bath raioes are placed in the dressing liquid prepared through a steps, add 1.5% lemon
Lemon acid, the liquid carrying rate that pure cotton fabric after processing, processing is rolled using two leachings two is 80%, 2 ~ 5min is placed in ammonia atmosphere, so
After wash, 60 DEG C baking 30min, obtain chitin modified bafta；
C. dye liquor is prepared：Natural dye cochineal red pigment is placed in pure water, stir preparation dye liquor, natural dye cochineal
The addition of red pigment is the 5% of bafta quality；
D. dyeing course：Chitin modified bafta is pressed 1:30 bath raioes are placed in the dye liquor of step c preparation and dyed, wherein, dye
Color temperature is 60 DEG C, and dyeing time is 50 minutes；Dyeing finishes taking-up cloth specimen, washes, dries, obtain the chitin modified cotton of dyeing
Fabric.
Determined through Computer color testing color matching instrument, the K/S values of above-mentioned dyed cotton fabric are 7.6, are surveyed by GB/T 3921.1-1997
Determine 3 grades of soaping fastness, 4~5 grades of dry fastness, 4 grades of fastness to wet rubbing are determined by GB/T 3920-1997.Surveyed through contact angle
Determine instrument and measure contact angle for 130 °.
In summary, the few water colouring method of cochineal red pigment disclosed by the invention, with containing sodium tripolyphosphate, citric acid or
The chitin modified liquid of epoxychloropropane is pre-processed to bafta, then carries out organic solvent dye to chitin modified bafta
Color processing.According to theory of solubility parameter, cochineal red pigment is easier to dye in organic solvent system to bafta, adds
After chitosan is pre-processed to bafta, the cation number increase on cotton fiber surface improves the pull-out capacity to cochineal red pigment,
Compared with comparative example, present invention process dyeing kinetics are fast, and dye-uptake and color fastness are higher, save water consumption, reduce dyeing
The discharge of waste water, improves the water repellency of bafta.
Described above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to shape described herein
Formula, is not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and environment, and can be herein
In the contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are carried out
Change and change do not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present invention.
Claims (10)
1. the method for the few water dyed cotton fabric of a kind of cochineal red pigment, it is characterised in that comprise the following steps：
A, preparation dressing liquid：Chitosan is taken, glacial acetic acid is added, stirring obtains the chitosan finishing liquid that concentration is 5g/L ~ 15g/L；
B, Cotton Fabric：Bafta is pressed 1:In the chitosan finishing liquid that 30 bath raioes immersion a steps are obtained, plus crosslinking agent, adopt
The liquid carrying rate for rolling pure cotton fabric after processing, processing with two leachings two is 50%~100%, and 2~5min is placed in acid neutralizes environment,
Washing, bakees, obtains chitin modified bafta；
C, preparation dye liquor：In the mixed solution that cochineal red pigment is dissolved in organic solvent and water, stirring obtains dye liquor；
D, dyeing：The chitin modified bafta that b step is obtained is by 1:30 bath raioes, which are placed in the dye liquor that step c is obtained, to be contaminated
Color, is washed, and is dried, the chitin modified bafta dyed.
2. a kind of method of the few water dyed cotton fabric of cochineal red pigment according to claim 1, it is characterised in that the shell
Glycan relative molecular mass is 5 × 105~7 × 105, glacial acetic acid mass percent concentration is 1% ~ 3%.
3. a kind of method of the few water dyed cotton fabric of cochineal red pigment according to claim 1, it is characterised in that the friendship
The addition for joining agent is the 0.5% ~ 2% of dressing liquid weight.
4. a kind of method of the few water dyed cotton fabric of cochineal red pigment according to claim 1 or 3, it is characterised in that institute
It is at least one of sodium tripolyphosphate, epoxychloropropane, citric acid to state crosslinking agent.
5. a kind of method of the few water dyed cotton fabric of cochineal red pigment according to claim 1, it is characterised in that the acid
Neutralization environment is ammonia environment.
6. a kind of method of the few water dyed cotton fabric of cochineal red pigment according to claim 1, it is characterised in that the baking
It is 40~80 DEG C to roast temperature, and the baking time is 10~60min.
7. the method for the few water dyed cotton fabric of a kind of cochineal red pigment according to claim 1, it is characterised in that described to have
In machine solvent and in the mixed solution of water, the percent by volume that organic solvent accounts for mixed solution is 90%~95%.
8. a kind of method of the few water dyed cotton fabric of cochineal red pigment according to claim 1 or 7, it is characterised in that institute
Organic solvent is stated for alcohol organic solvent, alcohol organic solvent is one kind in ethanol or isopropanol.
9. a kind of method of the few water dyed cotton fabric of cochineal red pigment according to claim 1, it is characterised in that step c
Described in cochineal red pigment addition be bafta quality 0.1%~5%.
10. a kind of method of the few water dyed cotton fabric of cochineal red pigment according to claim 1, it is characterised in that Step d
Described in dyeing temperature be 40~90 DEG C, dyeing time be 30~80min.
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| CN109281202A (en) * | 2018-08-14 | 2019-01-29 | 何小莹 | A kind of nanocomposite and preparation method thereof for ramie cotton fabric |
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| CN111826974A (en) * | 2020-07-27 | 2020-10-27 | 湖州市千金金耀制丝有限公司 | Prodigiosin dyeing method of pure cotton fabric |
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| CN111851097A (en) * | 2020-08-14 | 2020-10-30 | 武汉纺织大学 | Method for improving cotton fabric dye uptake of direct dye |
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