CN106337304B - A kind of colouring method of denim fabric - Google Patents
A kind of colouring method of denim fabric Download PDFInfo
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- CN106337304B CN106337304B CN201610745366.0A CN201610745366A CN106337304B CN 106337304 B CN106337304 B CN 106337304B CN 201610745366 A CN201610745366 A CN 201610745366A CN 106337304 B CN106337304 B CN 106337304B
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- viscose rayon
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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
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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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—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 insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/642—Compounds containing nitrogen
- D06P1/647—Nitrogen-containing carboxylic 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
- 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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
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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
- D06P3/66—Natural or regenerated cellulose using reactive dyes
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Artificial Filaments (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of colouring methods of denim fabric, the colouring method is the dyeing carried out before spinning to the fibrous raw material for preparing denim fabric, step includes pretreatment, dyeing and last handling process, and the fibrous raw material for preparing denim fabric is the dry high-strength flatness viscose rayon that breaking strength is 2.8-3.1CN/DTEX, stem elongation rate is 11-15%.The method of the present invention is the dyeing carried out to the fibrous raw material for preparing denim fabric, using do breaking strength be 2.8-3.1CN/DTEX, stem elongation rate for 11-15% high-strength flatness viscose rayon as fibrous raw material, after being dyed using fiber dyeing method, the process that carries out spinning etc. again prepares denim fabric, the problems such as yield in denim fabric production process is not low, environmentally friendly up to standard is advantageously accounted for, is suitable for being widely used to promote.
Description
Technical field
The present invention is a kind of colouring method of denim fabric, and in particular to the cowboy that high-strength flatness viscose rayon is prepared
The colouring method of fabric belongs to the preparation technical field of denim fabric.
Background technique
It is raw material that traditional denim fabric, which is using pure cotton, is made after being spinned, dyeing starching, weaving, arrangement.To improve ox
The performance of young fabric also has in current denim market using a series of blended fabric, as cotton polyester (50/50) is blended
Fabric and cotton and other fibers such as Tencel, flax, even jute, weave together with wool yarn fiber, expanded ox
The category and particular/special requirement of young fabric more have developed the denim fabric based on the special non-cotton with cowboy style.Such as patent
A kind of manufacture craft of colored soft denim of document CN105803761A(, 2016.07.27, D06M11/50),
The production method that a kind of micro- bullet of CN105200625A(imitates denim fabric, 2015.12.30, D03D15/00) etc..
It is known that whether traditional denim fabric, or the cowboy to have high additional properties made from blended fabric
Fabric, it is common to use woven mode after first yarn dyeing, warp thread then mainly use indigo dyeing.It is indigo to belong to reducing dye, usually
There are four dyeing courses, it may be assumed that the reduction (utilizing the reproducibility of caustic soda) of dyestuff (pigment blue), leuco compound (it is indigo after reduction, i.e.,
It is yellow for soluble salt；Salt Huang is destitute of smell, and is slightly soluble in water, ethyl alcohol, glycerol and propylene glycol, does not dissolve in grease；Fast light heat resistance
Difference, it is unstable to citric acid, alkali.) on contaminate, leuco compound oxidation, dye post-processing.In the actual operation process, indigo dyeing method
There are following situations:
1) bipseudoindoxyl dye is poor to the affinity of fiber, and upper dye is difficult.The warp dyeing of denim, generally using low dense, low
The warm continuous dyeing method for repeatedly padding oxidation, can reach required dye level by 6 ~ 8 times.It is easy to produce transverse direction in this way
The problems such as color difference, end to end color difference, shelves difference are greatly and coloured light consistency is poor, and it is lost 20-30% or more.
2) bipseudoindoxyl dye is a kind of dyestuff more rambunctious, and the process conditions such as combination, temperature, time of dye liquor are slightly not
Together, the color dyed, coloured light, color fastness, depth can all be made to have greatly changed.Dyeing, woven fabric, clothing production link environment
Badly, cloth cover color difference is big, and color fastness is low, and washing energy consumption is big.
A kind of existing dyeing and finishing method of bamboo fibre denim fabric of patent document CN104947281A(, 2015.09.30,
D03D15/00 a kind of dyeing and finishing method carried out according to pretreatment process, revenue stamp process, finishing process) is disclosed, is used
Warp thread by the pure cotton fiber that dyes and it is bamboo fiber blended form, denim fabric obtained need to could make bamboo after dyeing and finishing method
Fibre denim fabric had both continued the style of traditional jeans, while also having high excellent sucting wet air permeability and high-elastic flexible
Property, water-fastness, crease-resistant folding, complex technical process.
A kind of existing preparation method and applications of natural plant dye of patent document CN103013167A(,
2013.04.03, C09B61/00) to disclose the natural plants used on a kind of warp dyeing for manufacturing denim fabric indigo
The preparation method of fuel avoids proposing the theory of environmental protection, health using chemically synthesized chemical dyestuff, but the natural dye
Coloring case on denim fabric need facts have proved.
A kind of dyed-spinning and knitting colored jean material of existing patent document CN101343812(and its production method,
2009.01.014, D04B1/14) it proposes and work is spun by the pre-treatment of cotton staple in bulk low temperature, full environment-friendly type sulfur dyeing, color
The method that skill route spins to prepare colored jean material, on the one hand, original single dark blue color can be changed, on the other hand,
Using environment-friendly type sulfur dye, the pollution of production environment is reduced, but it is complicated to wash arrangement process.
Summary of the invention
The purpose of the present invention is to provide a kind of colouring method of denim fabric, the colouring method is to preparation cowboy face
The dyeing that the fibrous raw material of material carries out to do breaking strength is 2.8-3.1CN/DTEX, stem elongation rate for 11-15% height
Strong flatness viscose rayon is fibrous raw material, and after being dyed using fiber dyeing method, then the process that spin etc. prepares denim fabric,
The problems such as yield in denim fabric production process is not low, environmentally friendly up to standard is advantageously accounted for, is suitable for being widely used to promote.
The present invention is achieved through the following technical solutions: a kind of colouring method of denim fabric, and the colouring method is to spin
The dyeing carried out before yarn to the fibrous raw material for preparing denim fabric, step include:
(1) it pre-processes: staining jar is put into after the fibrous raw material for preparing denim fabric is fabricated to spinning cake, by the bath of 1:5-12
Than the amount of flatness viscose rayon and water high-strength in master cylinder, and auxiliary agent is added thereto；
(2) it dyes: dyestuff, sodium sulphate and alkali being added into cylinder, high-strength flatness viscose rayon is dyed；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after over oil treatment,
The fibrous raw material for preparing denim fabric be dry breaking strength be 2.8-3.1CN/DTEX, stem elongation rate is 11-
15% high-strength flatness viscose rayon.
The invention proposes a kind of fiber dyeing method carried out to high-strength flatness viscose rayon, this method can be used for cowboy
The preparation process of fabric, fibrous raw material is after dyeing, by denim fabric finished product is prepared after spinning, weaving, washing, using fibre
After tieing up ingrain, spinning, the weaving being related to are identical as traditional production method of denim fabric, and washing is primary, more traditional
For denim fabric need to be washed 4-5 times, water consumption is substantially reduced, and washing fastness is high, more reduces the environmental protection pressure of sewage treatment,
Conducive to large-scale industrial production.
In the step (1), spinning cake is fabricated to after height is 80-110mm and is put into staining jar, is soaked spinning cake with water
And after pressure release, filled the water into cylinder.
In the above process, spinning cake is soaked into simultaneously pressure release, refers to and sufficiently drenches cake water, then will connected in cake not close
The place in (place for having cavity in cake) is completely embedded, and is conducive to the uniformity for keeping spinning cake density, is reduced and contaminate in subsequent step
The probability of chromatograph difference and dyeing defect.
In the step (1), auxiliary agent EDTA, the concentration of EDTA is 0.5-1.5g/L in master cylinder, walks even 20-
50min。
In the step (2), dyeing includes:
(2.1) dyestuff is added into cylinder at 20-45 DEG C, keeps the temperature 20-60min；
(2.2) after sodium sulphate being added into cylinder, 20-70min is kept the temperature；
(2.3) increasing temperature is 50-80 DEG C, and after then keeping the temperature 20-70min, alkali is added into cylinder, keeps the temperature 20-
70min completes the dyeing of high-strength flatness viscose rayon.
In the step (2.2), sodium sulphate at least once is added into cylinder, the additional amount control of every sodium hydrosulfide is
0.2-1 times of total amount in cylinder.
The alkali can select soda ash, fixation alkali, substitute alkali or caustic soda etc..
In the step (3), the high-strength flatness viscose rayon after dyeing obtains coloured fibre after oily 30-70min
Product can make fiber become more soft, and spinnability is stronger.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
(1) it is 2.8-3.1CN/DTEX that the method for the present invention, which is to dry breaking strength, stem elongation rate is the high-strength low of 11-15%
Stretch the colouring method of viscose rayon progress, which prepares raw material as denim fabric, with free from admixture,
It is easier to moulding, more stable, and the characteristic of light mercerising can be reached, is that existing traditional denim fabric raw material based on cotton cannot reach
It arrives, therefore, the application of the high-strength flatness viscose rayon can improve the quality and yield rate of denim fabric, have good economy
Value.
(2) present invention uses high-strength flatness viscose rayon as the fibrous raw material for preparing denim fabric, due to high-strength flatness
The distinctive physical characteristic of fiber, it may be assumed that dry breaking strength is 2.8-3.1CN/DTEX, stem elongation rate is 11-15%, be able to satisfy knitting,
A variety of weaving technologies such as woven, tatting, and existing traditional denim fabric raw material based on cotton is then only able to satisfy single weaving skill
Therefore art can also expand the technical field of denim fabric production using the high-strength flatness fiber, meet modern production enterprise
Demand for development.
(3) first stock-dye can be achieved in the present invention, then spins, weaves again, washing the technical process that denim fabric is made,
With in the prior art with white fiber spinning, woven fabric poststaining, post-processing method compared with, this method bring advantage has following several
A aspect: one, the tinctorial yield and qualification rate of cloth can be improved, embryo cloth is dyed using dyestuff, because of large quantities, it may appear that color is not
Uniformly, there is the problems such as color spot, dying operation process is complicated, causing the qualification rate of Grade A is only 70%, if directly to stock-dye
Afterwards spinning, weaving, woven cloth then show color uniformly, without the characteristic of color difference color spot, Grade A qualification rate energy
Reach 100%；Two, in terms of post-processing, embryo cloth is dyed using dyestuff, the cloth after dyeing cannot be directly used to production ready-made clothes,
It also needs to use after the operation such as complicated last handling process i.e. desizing, washing, for the method for white fiber direct staining,
The problems such as there are treatment process complexity, pollutions greatly, energy consumption is high, the environmental protection pressure of sewage post-processing is big；Three, it is directly contaminated with white fiber
Spinning, woven method have higher color fastness (3-4 grades of washing) compared with the finished product cloth that the prior art obtains after color, existing to adopt
The color fastness of the cloth obtained with the method for white embryo cloth direct staining is low (washing 2-3 grades)；Four, the production pressure of enterprise can be reduced
Power, spinning, the woven finished product cloth arrived, can be fabricated directly into clothing after being dyed using white fiber, avoid inventory, enterprise according to
Order volume is produced, and the control of production cost is conducive to.
(4) in the method for the present invention, when high-strength flatness viscose fiber staining, using three pretreatment, dyeing and post-processing steps
Suddenly, operating process is simple, after weaving is at cloth, is once washed, water consumption can be controlled in 10 tons of water ranges of cloth per ton
Interior, sewage treatment can reach environmental protection index；In method using white embryo cloth direct staining, through desizing and water-washing step, cloth per ton
Water consumption be at least 70-80 tons, (3 cylinder water of desizing, 30 tons of water consumption, wash 4-5 time, water consumption be 40-50 tons), sewage
Processing cost is high, and environmental protection pressure is big.
(5) during the stock-dye that the method for the present invention is related to, by high-strength flatness viscose glue in the bath raio master cylinder of 1:5-12
After the amount of fiber and water, then auxiliary agent EDTA is added thereto, and the concentration of EDTA is 1g/l in master cylinder, is conducive to improve dyestuff
Stability in cylinder, further to control the uniformity of stock-dye.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, embodiments of the present invention are not limited thereto.
Embodiment 1:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: staining jar is put into after the fibrous raw material for preparing denim fabric is fabricated to spinning cake, by the bath raio of 1:5
The amount of high-strength flatness viscose rayon and water in master cylinder, and auxiliary agent is added thereto；
(2) it dyes: dyestuff, sodium sulphate and alkali being added into cylinder, high-strength flatness viscose rayon is dyed；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after over oil treatment.
Wherein, the fibrous raw material for preparing denim fabric is the dry height that breaking strength is 2.8CN/DTEX, stem elongation rate is 15%
Strong flatness viscose rayon.
Embodiment 2:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: staining jar is put into after the fibrous raw material for preparing denim fabric is fabricated to spinning cake, by the bath of 1:12
Than the amount of flatness viscose rayon and water high-strength in master cylinder, and auxiliary agent is added thereto；
(2) it dyes: dyestuff, sodium sulphate and alkali being added into cylinder, high-strength flatness viscose rayon is dyed；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after over oil treatment.
Wherein, the fibrous raw material for preparing denim fabric is the dry height that breaking strength is 3.1CN/DTEX, stem elongation rate is 11%
Strong flatness viscose rayon.
Embodiment 3:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: being put into staining jar after high-strength flatness viscose rayon is fabricated to the spinning cake that height is 80mm, it will with water
Spinning cake soaks and after pressure release, fills the water into cylinder, by the amount of high-strength flatness viscose rayon and water in the bath raio master cylinder of 1:12, and to
Auxiliary agent is wherein added；
(2) it dyes: dyestuff, sodium sulphate and alkali being added into cylinder, high-strength flatness viscose rayon is dyed；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after over oil treatment.
Wherein, the fibrous raw material for preparing denim fabric is the dry height that breaking strength is 2.8CN/DTEX, stem elongation rate is 14%
Strong flatness viscose rayon.
Embodiment 4:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: being put into staining jar after high-strength flatness viscose rayon is fabricated to the spinning cake that height is 110mm, use water
After spinning cake is soaked simultaneously pressure release, filled the water into cylinder, by the amount of high-strength flatness viscose rayon and water in the bath raio master cylinder of 1:6, and
Auxiliary agent is added thereto；
(2) it dyes: dyestuff, sodium sulphate and alkali being added into cylinder, high-strength flatness viscose rayon is dyed；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after over oil treatment.
Wherein, the fibrous raw material for preparing denim fabric is the dry height that breaking strength is 2.8CN/DTEX, stem elongation rate is 15%
Strong flatness viscose rayon.
Embodiment 5:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: being put into staining jar after high-strength flatness viscose rayon is fabricated to the spinning cake that height is 95mm, it will with water
Spinning cake soaks and after pressure release, fills the water into cylinder, by the amount of high-strength flatness viscose rayon and water in the bath raio master cylinder of 1:10, and to
EDTA is wherein added, the concentration of EDTA is 0.5g/L g/L in master cylinder, walks even 20min；
(2) it dyes: dyestuff, sodium sulphate and alkali being added into cylinder, high-strength flatness viscose rayon is dyed；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after over oil treatment.
Wherein, the fibrous raw material for preparing denim fabric is the dry height that breaking strength is 2.9CN/DTEX, stem elongation rate is 12%
Strong flatness viscose rayon.
Embodiment 6:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: being put into staining jar after high-strength flatness viscose rayon is fabricated to the spinning cake that height is 90mm, it will with water
Spinning cake soaks and after pressure release, fills the water into cylinder, by the amount of high-strength flatness viscose rayon and water in the bath raio master cylinder of 1:10, and to
EDTA is wherein added, the concentration of EDTA is 1.5g/L in master cylinder, walks even 50min；
(2) it dyes: dyestuff, sodium sulphate and alkali being added into cylinder, high-strength flatness viscose rayon is dyed；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after over oil treatment.
Wherein, prepare denim fabric fibrous raw material be dry breaking strength be 3.0CN/DTEX, stem elongation rate is 11.5%
High-strength flatness viscose rayon.
Embodiment 7:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: being put into staining jar after high-strength flatness viscose rayon is fabricated to the spinning cake that height is 85mm, it will with water
Spinning cake soaks and after pressure release, fills the water into cylinder, by the amount of high-strength flatness viscose rayon and water in the bath raio master cylinder of 1:10, and to
EDTA is wherein added, the concentration of EDTA is 0.8 g/L in master cylinder, walks even 30min；
(2) it dyes:
(2.1) dyestuff is added into cylinder at 20 DEG C, keeps the temperature 20min；
(2.2) after sodium sulphate being added into cylinder, 20min is kept the temperature；
(2.3) increasing temperature is 50 DEG C, and after then keeping the temperature 20min, alkali (soda ash) is added into cylinder, keeps the temperature 20min, complete
At the dyeing of high-strength flatness viscose rayon；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after over oil treatment.
Wherein, the fibrous raw material for preparing denim fabric is the dry height that breaking strength is 3.1CN/DTEX, stem elongation rate is 12%
Strong flatness viscose rayon.
Embodiment 8:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: being put into staining jar after high-strength flatness viscose rayon is fabricated to the spinning cake that height is 110mm, use water
After spinning cake is soaked simultaneously pressure release, filled the water into cylinder, by the amount of high-strength flatness viscose rayon and water in the bath raio master cylinder of 1:9, and
EDTA is added thereto, the concentration of EDTA is 1.0g/L g/L in master cylinder, walks even 40min；
(2) it dyes:
(2.1) dyestuff is added into cylinder at 45 DEG C, keeps the temperature 60min；
(2.2) after sodium sulphate being added into cylinder, 70min is kept the temperature；
(2.3) increasing temperature is 80 DEG C, and after then keeping the temperature 70min, alkali (fixation alkali) is added into cylinder, keeps the temperature 70min,
Complete the dyeing of high-strength flatness viscose rayon；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after over oil treatment.
Wherein, the fibrous raw material for preparing denim fabric is the dry height that breaking strength is 2.8CN/DTEX, stem elongation rate is 13%
Strong flatness viscose rayon.
Embodiment 9:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: being put into staining jar after high-strength flatness viscose rayon is fabricated to the spinning cake that height is 100mm, use water
After spinning cake is soaked simultaneously pressure release, filled the water into cylinder, by the amount of high-strength flatness viscose rayon and water in the bath raio master cylinder of 1:10, and
EDTA is added thereto, the concentration of EDTA is 1.2g/L g/L in master cylinder, walks even 45min；
(2) it dyes:
(2.1) dyestuff is added into cylinder at 30 DEG C, keeps the temperature 45min；
(2.2) four sodium sulphate is added into cylinder, the additional amount control of every sodium hydrosulfide is 0.2 times of total amount in cylinder,
Then 50min is kept the temperature；
(2.3) increasing temperature is 65 DEG C, and after then keeping the temperature 50min, alkali (substitute alkali) is added into cylinder, keeps the temperature 50min,
Complete the dyeing of high-strength flatness viscose rayon；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after over oil treatment.
Wherein, prepare denim fabric fibrous raw material be dry breaking strength be 3.0CN/DTEX, stem elongation rate is 12.8%
High-strength flatness viscose rayon.
Embodiment 10:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: being put into staining jar after high-strength flatness viscose rayon is fabricated to the spinning cake that height is 98mm, it will with water
Spinning cake soaks and after pressure release, fills the water into cylinder, by the amount of high-strength flatness viscose rayon and water in the bath raio master cylinder of 1:8, and to
EDTA is wherein added, the concentration of EDTA is 1.4g/L in master cylinder, walks even 35min；
(2) it dyes:
(2.1) dyestuff is added into cylinder at 40 DEG C, keeps the temperature 60min；
(2.2) sodium sulphate three times is added into cylinder, the additional amount control of every sodium hydrosulfide is 1 times of total amount in cylinder, so
After keep the temperature 60min；
(2.3) increasing temperature is 40 DEG C, and after then keeping the temperature 60min, alkali (caustic soda) is added into cylinder, keeps the temperature 60min, complete
At the dyeing of high-strength flatness viscose rayon；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after over oil treatment.
Wherein, prepare denim fabric fibrous raw material be dry breaking strength be 2.85CN/DTEX, stem elongation rate is 12.2%
High-strength flatness viscose rayon.
Embodiment 11:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: being put into staining jar after high-strength flatness viscose rayon is fabricated to the spinning cake that height is 100mm, use water
After spinning cake is soaked simultaneously pressure release, filled the water into cylinder, by the amount of high-strength flatness viscose rayon and water in the bath raio master cylinder of 1:12, and
EDTA is added thereto, the concentration of EDTA is 0.6g/L in master cylinder, walks even 25min；
(2) it dyes:
(2.1) dyestuff is added into cylinder at 45 DEG C, keeps the temperature 30min；
(2.2) sodium sulphate twice is added into cylinder, the additional amount control of every sodium hydrosulfide is 0.5 times of total amount in cylinder,
Then 70min is kept the temperature；
(2.3) increasing temperature is 60 DEG C, and after then keeping the temperature 50min, alkali (soda ash) is added into cylinder, keeps the temperature 70min, complete
At the dyeing of high-strength flatness viscose rayon；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after oily 30min.
Wherein, prepare denim fabric fibrous raw material be dry breaking strength be 2.8CN/DTEX, stem elongation rate is 13.1%
High-strength flatness viscose rayon.
Embodiment 12:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: being put into staining jar after high-strength flatness viscose rayon is fabricated to the spinning cake that height is 105mm, use water
After spinning cake is soaked simultaneously pressure release, filled the water into cylinder, by the amount of high-strength flatness viscose rayon and water in the bath raio master cylinder of 1:11, and
EDTA is added thereto, the concentration of EDTA is 1.1g/L in master cylinder, walks even 35min；
(2) it dyes:
(2.1) dyestuff is added into cylinder at 40 DEG C, keeps the temperature 55min；
(2.2) primary sodium sulphate is added into cylinder, the additional amount control of every sodium hydrosulfide is 0.8 times of total amount in cylinder,
Then 70min is kept the temperature；
(2.3) increasing temperature is 80 DEG C, and after then keeping the temperature 20min, alkali (caustic soda) is added into cylinder, keeps the temperature 40min, complete
At the dyeing of high-strength flatness viscose rayon；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after oily 70min.
Wherein, prepare denim fabric fibrous raw material be dry breaking strength be 3.05CN/DTEX, stem elongation rate is 14.5%
High-strength flatness viscose rayon.
Embodiment 13:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: being put into staining jar after high-strength flatness viscose rayon is fabricated to the spinning cake that height is 110mm, use water
After spinning cake is soaked simultaneously pressure release, filled the water into cylinder, by the amount of high-strength flatness viscose rayon and water in the bath raio master cylinder of 1:6, and
EDTA is added thereto, the concentration of EDTA is 1.3g/L in master cylinder, walks even 50min；
(2) it dyes:
(2.1) dyestuff is added into cylinder at 30 DEG C, keeps the temperature 50min；
(2.2) four sodium sulphate is added into cylinder, the additional amount control of every sodium hydrosulfide is 0.4 times of total amount in cylinder,
Then 55min is kept the temperature；
(2.3) increasing temperature is 70 DEG C, and after then keeping the temperature 50min, alkali (fixation alkali) is added into cylinder, keeps the temperature 60min,
Complete the dyeing of high-strength flatness viscose rayon；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre production after dolantin film excessively oil 50min
Product.
Wherein, the fibrous raw material for preparing denim fabric is the dry height that breaking strength is 2.9CN/DTEX, stem elongation rate is 12%
Strong flatness viscose rayon.
Embodiment 14:
The present embodiment proposes a kind of colouring method of denim fabric, which is before spinning to preparation cowboy face
The dyeing that the fibrous raw material of material carries out, step include:
(1) it pre-processes: being put into staining jar after high-strength flatness viscose rayon is fabricated to the spinning cake that height is 110mm, use water
After spinning cake is soaked simultaneously pressure release, filled the water into cylinder, by the amount of high-strength flatness viscose rayon and water in the bath raio master cylinder of 1:10, and
EDTA is added thereto, the concentration of EDTA is 0.75g/L in master cylinder, walks even 45min；
(2) it dyes:
(2.1) dyestuff is added into cylinder at 30 DEG C, keeps the temperature 60min；
(2.2) four sodium sulphate is added into cylinder, the additional amount control of every sodium hydrosulfide is 0.6 times of total amount in cylinder,
Then 60min is kept the temperature；
(2.3) increasing temperature is 50 DEG C, and after then keeping the temperature 70min, alkali (substitute alkali) is added into cylinder, keeps the temperature 50min,
Complete the dyeing of high-strength flatness viscose rayon；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre production after dolantin film excessively oil 65min
Product.
Wherein, prepare denim fabric fibrous raw material be dry breaking strength be 2.95CN/DTEX, stem elongation rate is 13.6%
High-strength flatness viscose rayon.
Denim fabric can be prepared after spinning, weaving, washing in the coloured fibre product that above-described embodiment is prepared
Product, the dyestuff that dyeing is related to are active group bipseudoindoxyl dye, can be obtained by outsourcing.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit any simple modification to the above embodiments of the invention, equivalent variations, protection of the invention is each fallen within
Within the scope of.
Claims (2)
1. a kind of colouring method of denim fabric, it is characterised in that: the colouring method is before spinning to preparing denim fabric
The dyeing that carries out of fibrous raw material, step includes:
(1) it pre-processes: staining jar is put into after the fibrous raw material for preparing denim fabric is fabricated to spinning cake, by the bath raio control of 1:5-12
The amount of high-strength flatness viscose rayon and water in cylinder processed, and auxiliary agent is added thereto；
(2) it dyes: dyestuff, sodium sulphate and alkali being added into cylinder, high-strength flatness viscose rayon is dyed；
(3) post-process: the high-strength flatness viscose rayon after dyeing obtains coloured fibre product after over oil treatment,
The fibrous raw material for preparing denim fabric be dry breaking strength be 2.8-3.1CN/DTEX, stem elongation rate is 11-15%'s
High-strength flatness viscose rayon,
In the step (1), spinning cake is fabricated to after height is 80-110mm and is put into staining jar, spinning cake is soaked and let out with water
After pressure, filled the water into cylinder,
In the step (1), auxiliary agent EDTA, the concentration of EDTA is 0.5-1.5g/L in master cylinder, walks even 20-50min,
In the step (2), dyeing includes:
(2.1) dyestuff is added into cylinder at 20-45 DEG C, keeps the temperature 20-60min；
(2.2) after sodium sulphate being added into cylinder, 20-70min is kept the temperature；
(2.3) increasing temperature is 50-80 DEG C, and after then keeping the temperature 20-70min, alkali is added into cylinder, keeps the temperature 20-70min, complete
At the dyeing of high-strength flatness viscose rayon.
2. a kind of colouring method of denim fabric according to claim 1, it is characterised in that: in the step (3), dye
High-strength flatness viscose rayon after color obtains coloured fibre product after oily 30-70min.
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| CN110616578A (en) * | 2019-10-28 | 2019-12-27 | 百隆东方股份有限公司 | Method for manufacturing colored spun yarn for washing jean |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343812A (en) * | 2007-07-13 | 2009-01-14 | 浙江华孚色纺有限公司 | Colored spun knitted colorful jean fabric and production method thereof |
| CN103696085A (en) * | 2013-12-16 | 2014-04-02 | 江苏波波熊纺织品有限公司 | Jean fabric and production method thereof |
| CN104831391A (en) * | 2015-05-27 | 2015-08-12 | 宜宾丝丽雅集团有限公司 | Low-elongation viscose fiber and preparation method and application thereof |
| CN105064079A (en) * | 2015-09-16 | 2015-11-18 | 太仓市国峰纺织印染有限责任公司 | Dyeing and finishing method of bamboo fiber |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343812A (en) * | 2007-07-13 | 2009-01-14 | 浙江华孚色纺有限公司 | Colored spun knitted colorful jean fabric and production method thereof |
| CN103696085A (en) * | 2013-12-16 | 2014-04-02 | 江苏波波熊纺织品有限公司 | Jean fabric and production method thereof |
| CN104831391A (en) * | 2015-05-27 | 2015-08-12 | 宜宾丝丽雅集团有限公司 | Low-elongation viscose fiber and preparation method and application thereof |
| CN105064079A (en) * | 2015-09-16 | 2015-11-18 | 太仓市国峰纺织印染有限责任公司 | Dyeing and finishing method of bamboo fiber |
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