CN109537312A - Reducing dye yarn-dying method - Google Patents
Reducing dye yarn-dying method Download PDFInfo
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- CN109537312A CN109537312A CN201811407013.5A CN201811407013A CN109537312A CN 109537312 A CN109537312 A CN 109537312A CN 201811407013 A CN201811407013 A CN 201811407013A CN 109537312 A CN109537312 A CN 109537312A
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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
- D06P1/22—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 vat dyestuffs including indigo
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
-
- 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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
-
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
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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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/10—After-treatment with compounds containing metal
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- Life Sciences & Earth Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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Abstract
The present invention relates to a kind of reducing dye yarn-dying method, include the following steps: to carry out pre-treatment to yarn;Water and reducing dye are added in the yarn after the pre-treatment, alkali is then added and reducing agent carries out reduction reaction;After the reduction reaction, under the conditions of Yu Wendu 50-70 DEG C, weak oxidant is added and handles 5-15min, then oxidation reinforced dose of processing 5-15min carries out oxidation reaction;Yarn after the oxidation reaction is post-processed.The yarn-dying method can effectively solve the problem that dyeing defect and ectonexine color difference problem of the reducing dye for yarn dyeing, keep the yarn color obtained uniform, while bright in colour, soap, light fastness height.
Description
Technical field
The present invention relates to textile technology fields, more particularly to a kind of reducing dye yarn-dying method.
Background technique
Reducing dye is the dyestuff that properties are all more excellent in dyestuff.By its general chemical structure can be divided into indigoid and
Anthraquinone two major classes.Its chromatography is more complete, bright in colour, soap, light fastness it is relatively high.Process is contaminated thereon are as follows: first in lye
It is middle to become soluble leuco compound salt through reduction and be cellulose fibre sorption, using oxidation, revert to it is original not
Soluble dye.
Traditional reducing dye dyeing generally uses " vatting method (prereduction method) ", i.e., first restores reducing dye, then
Dye vat is added to be dyed.This method is cumbersome, and is easy to produce dyeing defect, therefore reducing dye dyeing at present is generally only answered
For dying cloth.Domestic more textile enterprise attempt to contaminate reducing dye applied to yarn (cheese and beamed yarn of such as woven fabric)
Color, but because yarn dyeing defect problem is serious, do not there is successful precedent also.
Summary of the invention
Based on this, it is necessary to provide a kind of reducing dye yarn-dying method.The yarn-dying method can effectively solve the problem that reducing dye
For the dyeing defect and ectonexine color difference problem of yarn dyeing, keep the yarn color obtained uniform, while bright in colour, soap,
Light fastness is high.
A kind of reducing dye yarn-dying method, includes the following steps:
Pre-treatment is carried out to yarn;
Water and reducing dye are added in the yarn after the pre-treatment, alkali is then added and reducing agent restore instead
It answers;
After the reduction reaction, under the conditions of Yu Wendu 50-70 DEG C, be added weak oxidant handle 5-15min, then plus
Strong oxidizer handles 5-15min;Carry out oxidation reaction;
Yarn after the oxidation reaction is post-processed.
The temperature of the oxidation reaction is 55-65 DEG C in one of the embodiments,.
The time of the weak oxidant processing is 8-12min in one of the embodiments, the strong oxidizer processing
Time is 8-12min.
The weak oxidant is organic oxidizing agent in one of the embodiments, and the strong oxidizer is hydrogen peroxide.
In one of the embodiments, in terms of water described in every liter, the dosage of the weak oxidant is 2-4g/L, the strong oxygen
The dosage of agent is 2-4g/L.
It is added before the weak oxidant processing in one of the embodiments, first by the weak oxidant and dispersing agent
It mixes.
The dispersing agent is sodium lignin sulfonate in one of the embodiments,;In terms of water described in every liter, the dispersing agent
Dosage be 1-2g/L.
Institute's yarn is cheese or beamed yarn in one of the embodiments,;The single thread weight of the cheese is 0.8-
1.0kg, density 0.32-0.45g/cm3, the warp beam yarn density is 0.4-0.53g/cm3。
The additive amount of the reducing dye is 0.01-1%OWF in one of the embodiments,.
The alkali is sodium hydroxide in one of the embodiments, and the reducing agent is sodium dithionite;With every liter institute
Water meter is stated, the dosage of the alkali is 5-10g/L, the dosage of the reducing agent is 2-6g/L.
Compared with prior art, the invention has the following beneficial effects:
Reducing dye yarn-dying method of the invention, during carrying out oxidation reaction, under certain temperature and time conditions,
It is first aoxidized with weak oxidant, oxidation dynamics is mild, can uniformly be aoxidized under the conditions of high pH after reduction reaction, no
It can cause ectonexine oxidation is asynchronous to cause interior heterodyne because the pH of yarn ectonexine is inconsistent;Then strong oxidizer oxygen is carried out again
Change, it is ensured that sufficiently, color color development is uniform for oxidation.Comprehensive each step, keeps the color of yarn uniform, no dyeing defect or ectonexine color difference,
It is bright in colour simultaneously, it soaps, light fastness height.Meanwhile it being saved water after reduction reaction without being washed.
In addition, reducing dye yarn-dying method of the invention, when the total dosage OWF value of reducing dye is less than 1.0%, moreover it is possible to protect
Demonstrate,proving reducing dye upper dye on yarn uniformly, can effectively reduce production cost.
Specific embodiment
Reducing dye yarn-dying method of the invention is described in further detail below in conjunction with specific embodiment.
A kind of reducing dye yarn-dying method, includes the following steps:
Pre-treatment is carried out to yarn;
Water and reducing dye are added in the yarn after the pre-treatment, alkali is then added and reducing agent restore instead
It answers;
After the reduction reaction, under the conditions of Yu Wendu 50-70 DEG C, be added weak oxidant handle 5-15min, then plus
Strong oxidizer handles 5-15min;Carry out oxidation reaction;
Yarn after the oxidation reaction is post-processed.
Above-mentioned reducing dye yarn-dying method, during carrying out oxidation reaction, under certain temperature and time conditions, first
It is aoxidized with weak oxidant, oxidation dynamics is mild, can uniformly be aoxidized under the conditions of high pH after reduction reaction, will not
Cause ectonexine oxidation is asynchronous to cause interior heterodyne because the pH of yarn ectonexine is inconsistent;Then strong oxidizer oxygen is carried out again
Change, it is ensured that sufficiently, color color development is uniform for oxidation.Comprehensive each step, keeps the color of yarn uniform, no dyeing defect or ectonexine color difference,
It is bright in colour simultaneously, it soaps, light fastness height.Meanwhile it being saved water after reduction reaction without being washed.In addition, of the invention
Reducing dye yarn-dying method, when the total dosage OWF value of reducing dye is less than 1.0%, moreover it is possible to guarantee reducing dye on yarn
Upper dye uniformly, can effectively reduce production cost.
Specifically, the yarn used can be pure cotton for cheese or beamed yarn, material.Wherein, cheese requires single thread
Weight is 0.8-1.0KG, density 0.32-0.45g/cm3, cheese is regular cylindrical body, almost the same with the sub- yarn density of cylinder barrel;
Warp beam yarn density is 0.40-0.53g/cm3, and axial plane is smooth.Particularly, the above method can be suitable for the cheese of woven fabric
Or beamed yarn.The additive amount of reducing dye can be 0.01-1%OWF, and preferably its average grain diameter is less than 1 micron.The alkali used for
Sodium hydroxide (caustic soda), reducing agent is sodium dithionite (sodium hydrosulfite), and in terms of every liter of water, the dosage of the alkali is 5-10g, institute
The dosage for stating reducing agent is 2-6g/L.
It is to be appreciated that reducing dye is beaten with water first, is additionally incorporated to improve the dispersion effect of reducing dye
Before reducing dye, first the reducing dye and dispersing agent, chelated dispersants can be mixed, stir 5-15min, point of use
Powder is sodium lignin sulfonate, and the chelated dispersants are polyacrylic hydrosol;In terms of every liter of water, the use of the dispersing agent
Amount is dispersing agent 1-3g/L, the dosage of the chelated dispersants is 1-3g/L.It is added after reducing dye, alkali and reducing agent is added
Before, levelling agent processing 2-8min can also be added, it is poly- for fatty amine thus to can get more preferably upper dye effect, the levelling agent used
Ethylene oxide ether, dosage 0.3-1%OWF.
Preferably, in oxidation reaction process described above, controlled at 55-65 DEG C;The weak oxidant processing
Time be 8-12min, the time of strong oxidizer processing is 8-12min.Wherein, the weak oxidant is organic oxidation
Agent, specifically can be selected from 3- nitrobenzene-sulfonic acid sodium salt, and the strong oxidizer is hydrogen peroxide;In terms of every liter of water, the weak oxidant
Dosage is 2-4g/L, and the dosage of the strong oxidizer is 2-4g/L.
Further, it is the dispersion effect for improving oxidant, is added before the weak oxidant processing, first by the weak oxygen
Agent and dispersant.Specifically, the dispersing agent is sodium lignin sulfonate;In terms of water described in every liter, the dispersing agent
Dosage be 1-2g/L.
Further, the reduction reaction is dyed using suspended substance, first carries out first time heating, and temperature is warming up to 75-85
After DEG C, the reducing dye is added, carries out first time heating treatment;Then first time cooling is carried out, temperature is down to 50-55 DEG C,
The alkali and reducing agent is added, carries out first time cooling processing;Carry out second of heating again, temperature rises to 90-95 DEG C, carries out the
Secondary temperature elevation processing;To carry out the reduction reaction.Preferably, the time of the first heating processing is 15-25min;
The time of the first time cooling processing is 10-20min, and the time of second of heating treatment is 25-35min.
In addition, the pre-treatment specifically may include following steps:
Water is added in yarn, refining agent, chelated dispersants, hydrogen peroxide stabilizer, caustic soda, hydrogen peroxide is added, is warming up to
90~120 DEG C of processing 20~40min drains;Water is reentered, acid adding carries out pickling, and room temperature handles 5min~10min, drain;It reenters
Water adds aqueous enzyme to be deoxygenated, and room temperature handles 5min~10min, drain.Wherein, the refining agent, the chelating point
Conventional commercial product can be used in powder, hydrogen peroxide stabilizer;In terms of every liter of water, the scouring agent dosage is 0.5-1g/L, chelates
Dispersant dosage is 0.5-1g/L, hydrogen peroxide stabilizer dosage is 0.5-1g/L, 50% liquid caustic soda dosage be concentration 1-5g/L,
27.5%H2O2Dosage is 2-6g/L.
The post-processing may include specifically following steps:
After the oxidation reaction, drain;It adds water, bonus point powder and soda ash, is warming up to 90-110 DEG C of processing 15-
25min, drain;Water is reentered, 70-90 DEG C of operation 5-15min, drain are warming up to;Water is reentered, adds acid for adjusting pH to 6-7.
Wherein, the dispersing agent is sodium lignin sulfonate;In terms of every liter of water, the dosage of the dispersing agent is 0.5-1.5g/L.
Embodiment 1
It is pure to throw one cylinder 50S of dye in the dye vat that a diameter is 1800MM for a kind of reducing dye yarn-dying method of the present embodiment
Cotton cheese, cheese is regular cylindrical body, almost the same with the sub- yarn density of cylinder barrel, yarn weight 346KG, density 0.37g/cm3,
Bath raio is 1:7.3, reducing dye formula are as follows: intellectual circle's bright green 0.0095%OWF, intellectual circle orchid 0.326%OWF.
Steps are as follows:
1, pre-treatment: after cheese enters cylinder, master cylinder enters water, and scouring agent 0.9g/L, chelated dispersants 0.8g/L, dioxygen is added
Water stabilizer 0.8g/L, 50% liquid caustic soda 3.0g/L, 27.5%H2O24.5g/L is warming up to 110 DEG C of processing 30min;Drain, then
Enter water, HAC 0.8g/L is added to carry out pickling, room temperature handles 5min;Draining, reenters water, and aqueous enzyme 0.15g/L is added to deoxygenate, at room temperature
Manage 5min;Draining, it is to be dyed;
2, dye --- reduction: after finishing pre-treatment, master cylinder enters water, high water level, and water covers cheese, opens main pump, adjusts
Whole pump speed is warming up to 80 DEG C to requirement;Material cylinder enters water parallel, sequentially adds dispersing agent 1g/L, chelated dispersants 1g/L, reduction dye
Expect same formulation dosage (plus water mashing material), stirs 10 minutes, after master cylinder reaches 80 DEG C, material cylinder dye liquor is pumped into master cylinder,
80 DEG C run 20 minutes;Master cylinder is cooled to 55 DEG C, and master cylinder reflux material cylinder adds reducing dye dyeing leveling agent 0.5%OWF, stirring 5
After minute, it is pumped into master cylinder, is run 5 minutes;Material cylinder enters clear water, successively plus caustic soda 9g/L, sodium hydrosulfite 3.5g/L, slightly stirs, directly
Suction master cylinder is connect, 55 DEG C of master cylinder run 15 minutes;Master cylinder is warming up to 90 DEG C with 1.5 DEG C/min, runs 30 minutes;
3, dye --- aoxidize: master cylinder is cooled to 60 DEG C, runs 15 minutes, reduces pump speed and extremely requires, master cylinder reflux dye liquor
To material cylinder, foot water is tested with yellow test paper, it is ensured that yellow test paper becomes blue, and dispersing agent 1.0g/L and weak oxidant is then added
2.0g/L is pumped into master cylinder after slightly stirring, and 60 DEG C of operations flow back after ten minutes, adds hydrogen peroxide 2.0g/L, then be pumped into master cylinder, and 60 DEG C
10 minutes are continued to run, drain;
4, post-process: master cylinder enters water, adjusts pump speed to requirement, timing washing 10 minutes, drain;Master cylinder enters water, and reflux adds
Dispersing agent 1g/L and soda ash 1g/L, master cylinder are warming up to 100 DEG C and run 20 minutes, drain;Master cylinder enters water, is warming up to 80 DEG C of operations 10
Minute, drain;Master cylinder enters water, and acetic acid 0.5g/L is added to adjust pH to 6-7.
Color difference inside and outside the cheese obtained through above method dyeing: Delta E 0.32, no dyeing defect do not choose cylinder.It is subsequent to add
Work is using process also without difference quality measurement situation inside and outside feeding back;In terms of color fastness: light fastness, water, perspiration fastness, washing jail
Degree, chlorine drift fastness reach 4-5 grades (ISO, 5 grades of ranking methods).
Embodiment 2
It is pure to throw one cylinder 40S of dye in the dye vat that a diameter is 1400MM for a kind of reducing dye yarn-dying method of the present embodiment
Cotton warp beam, and axial plane is smooth, yarn weight 213.15KG, axis density is 0.47g/cm3, bath raio 1:11.59, reducing dye formula
Are as follows: intellectual circle orchid 0.0036%OWF, intellectual circle's olive green 0.205%OWF, intellectual circle's purple 0.073%OWF.
Steps are as follows:
1, pre-treatment: after beamed yarn enters cylinder, master cylinder enters water, and scouring agent 0.9g/L, chelated dispersants 0.8g/L, dioxygen is added
Water stabilizer 0.8g/L, 50% liquid caustic soda 3.0g/L, 27.5%H2O24.5g/L is warming up to 110 DEG C of processing 30min;Drain, then
Enter water, HAC 0.8g/L is added to carry out pickling, room temperature handles 5min;Draining, reenters water, and aqueous enzyme 0.15g/L is added to deoxygenate, at room temperature
Manage 5min;Draining, it is to be dyed;
2, dye --- reduction: after finishing pre-treatment, master cylinder enters water, high water level, and water covers beamed yarn and opens main pump, adjustment
Pump speed is warming up to 80 DEG C to requirement;Material cylinder enters water parallel, sequentially adds dispersing agent 1g/L, chelated dispersants 1g/L, reducing dye
Same formulation dosage (plus water is beaten material), stirs 10 minutes, after master cylinder reaches 80 DEG C, material cylinder dye liquor suction master cylinder, and 80
DEG C operation 20 minutes;Master cylinder is cooled to 55 DEG C, and master cylinder reflux material cylinder adds reducing dye dyeing leveling agent 0.5%OWF, stirs 5 points
Zhong Hou is pumped into master cylinder, runs 5 minutes;Material cylinder enters clear water, successively plus caustic soda 9g/L, sodium hydrosulfite 3.5g/L, slightly stirs, directly
It is pumped into master cylinder, 55 DEG C of master cylinder run 15 minutes;Master cylinder is warming up to 90 DEG C with 1.5 DEG C/min, runs 30 minutes;
3, dye --- aoxidize: master cylinder is cooled to 60 DEG C, runs 15 minutes, reduces pump speed and extremely requires, master cylinder reflux dye liquor
To material cylinder, foot water is tested with yellow test paper, it is ensured that yellow test paper becomes blue, and dispersing agent 1.0g/L and weak oxidant is then added
2.0g/L is pumped into master cylinder after slightly stirring, and 60 DEG C of operations flow back after ten minutes, adds hydrogen peroxide 2.0g/L, then be pumped into master cylinder, and 60 DEG C
10 minutes are continued to run, drain;
4, post-process: master cylinder enters water, adjusts pump speed to requirement, timing washing 10 minutes, drain;Master cylinder enters water, and reflux adds
Dispersing agent 1g/L and soda ash 1g/L, master cylinder are warming up to 100 DEG C and run 20 minutes, drain;Master cylinder enters water, is warming up to 80 DEG C of operations 10
Minute, drain;Master cylinder enters water, and acetic acid 0.5g/L is added to adjust pH to 6-7.
For the beamed yarn obtained through above method dyeing without dyeing defect, surface color is uniform, and following process is using process also without anti-
Warp beam ectonexine difference quality measurement situation is presented, following process is using process also without difference quality measurement situation inside and outside feeding back;In terms of color fastness: solarization
Fastness, water, perspiration fastness, washing fastness, chlorine drift fastness reach 4-5 grades (ISO, 5 grades of ranking methods).
Embodiment 3
A kind of reducing dye yarn-dying method of the present embodiment, with embodiment 1, difference is for raw material and step: step 3 dye
The process of color --- oxidation is as follows:
Master cylinder is cooled to 50 DEG C, runs 15 minutes, reduces pump speed to requirement, and master cylinder flows back dye liquor to material cylinder, is tried with yellow
Paper tests foot water, it is ensured that yellow test paper becomes blue, and dispersing agent 1.0g/L and weak oxidant 2.0g/L is then added, and takes out after slightly stirring
Enter master cylinder, 50 DEG C are flowed back after operation 15 minutes, add hydrogen peroxide 2.0g/L, then be pumped into master cylinder, 50 DEG C continue to run 15 minutes, row
Liquid.
Color difference inside and outside the cheese obtained through above method dyeing: Delta E 0.57, no dyeing defect do not choose cylinder.It is subsequent to add
Work is using process also without difference quality measurement situation inside and outside feeding back;In terms of color fastness: light fastness, water, perspiration fastness, washing jail
Degree, chlorine drift fastness reach 4-5 grades (ISO, 5 grades of ranking methods).
Embodiment 4
A kind of reducing dye yarn-dying method of the present embodiment, with embodiment 1, difference is for raw material and step: step 3 dye
The process of color --- oxidation is as follows:
Master cylinder is cooled to 70 DEG C, runs 15 minutes, reduces pump speed to requirement, and master cylinder flows back dye liquor to material cylinder, is tried with yellow
Paper tests foot water, it is ensured that yellow test paper becomes blue, and dispersing agent 1.0g/L and weak oxidant 2.0g/L is then added, and takes out after slightly stirring
Enter master cylinder, 70 DEG C of operations flow back after five minutes, add hydrogen peroxide 2.0g/L, then be pumped into master cylinder, 70 DEG C continue to run 5 minutes, drain.
Color difference inside and outside the cheese obtained through above method dyeing: Delta E 0.65, no dyeing defect choose a reuse.Color jail
Degree aspect: light fastness, water, perspiration fastness, washing fastness, chlorine drift fastness reach 4-5 grades of (ISO, 5 grades of grading sides
Method).
Comparative example 1
A kind of reducing dye yarn-dying method of the present embodiment, with embodiment 1, difference is for raw material and step: step 3 dye
The process of color --- oxidation is as follows:
Master cylinder is cooled to 60 DEG C, runs 15 minutes, reduces pump speed to requirement, and master cylinder flows back dye liquor to material cylinder, is tried with yellow
Paper tests foot water, it is ensured that yellow test paper becomes blue, hydrogen peroxide 2.0g/L is then added, then be pumped into master cylinder, 60 DEG C continue to run 20 points
Clock, drain.
The cheese obtained through above method dyeing has dyeing defect, and inside and outside color difference is big, and: Delta E 1.35 can not choose cylinder, needs
Arrange level dyeing.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of reducing dye yarn-dying method, which comprises the steps of:
Pre-treatment is carried out to yarn;
Water and reducing dye are added in the yarn after the pre-treatment, alkali is then added and reducing agent carries out reduction reaction;
After the reduction reaction, under the conditions of Yu Wendu 50-70 DEG C, weak oxidant is added and handles 5-15min, then reinforces oxygen
Agent handles 5-15min;Carry out oxidation reaction;
Yarn after the oxidation reaction is post-processed.
2. reducing dye yarn-dying method according to claim 1, which is characterized in that the temperature of the oxidation reaction is 55-
65℃。
3. reducing dye yarn-dying method according to claim 1, which is characterized in that the time of weak oxidant processing is
The time of 8-12min, the strong oxidizer processing are 8-12min.
4. reducing dye yarn-dying method according to claim 1, which is characterized in that the weak oxidant is organic oxidation
Agent, the strong oxidizer are hydrogen peroxide.
5. reducing dye yarn-dying method according to claim 4, which is characterized in that in terms of water described in every liter, the weak oxygen
The dosage of agent is 2-4g/L, and the dosage of the strong oxidizer is 2-4g/L.
6. reducing dye yarn-dying method according to claim 1-5, which is characterized in that the weak oxidant is added
Before processing, first by the weak oxidant and dispersant.
7. reducing dye yarn-dying method according to claim 6, which is characterized in that the dispersing agent is lignin sulfonic acid
Sodium;In terms of water described in every liter, the dosage of the dispersing agent is 1-2g/L.
8. reducing dye yarn-dying method according to claim 1-5, which is characterized in that institute's yarn be cheese or
Beamed yarn;The single thread weight of the cheese is 0.8-1.0kg, density 0.32-0.45g/cm3, the warp beam yarn density is
0.4-0.53g/cm3。
9. reducing dye yarn-dying method according to claim 1-5, which is characterized in that the reducing dye adds
Dosage is 0.01-1%OWF.
10. reducing dye yarn-dying method according to claim 1-5, which is characterized in that the alkali is hydroxide
Sodium, the reducing agent are sodium dithionite;In terms of water described in every liter, the dosage of the alkali is 5-10g/L, the reducing agent
Dosage is 2-6g/L.
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113832582A (en) * | 2021-08-26 | 2021-12-24 | 江阴市茂达棉纺厂有限公司 | Composite yarn and preparation and coloring method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0253974A (en) * | 1988-08-15 | 1990-02-22 | Mitsui Toatsu Chem Inc | Dyeing of heat-resistant aramid fiber |
CN101792976A (en) * | 2010-03-09 | 2010-08-04 | 浙江三元纺织有限公司 | Method for dyeing cotton fibre cheese with reduced dye |
CN104420345A (en) * | 2013-09-09 | 2015-03-18 | 青岛三秀新科技复合面料有限公司 | Process for dyeing yarns with vat dye |
CN106223069A (en) * | 2016-07-26 | 2016-12-14 | 萧县凯奇化工科技有限公司 | A kind of cotton reducing dye dyeing |
CN107476094A (en) * | 2017-08-16 | 2017-12-15 | 新疆如意纺织服装有限公司 | A kind of suspended substance Dyeing Process of Cotton Yarn method of reducing dye |
-
2018
- 2018-11-23 CN CN201811407013.5A patent/CN109537312A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0253974A (en) * | 1988-08-15 | 1990-02-22 | Mitsui Toatsu Chem Inc | Dyeing of heat-resistant aramid fiber |
CN101792976A (en) * | 2010-03-09 | 2010-08-04 | 浙江三元纺织有限公司 | Method for dyeing cotton fibre cheese with reduced dye |
CN104420345A (en) * | 2013-09-09 | 2015-03-18 | 青岛三秀新科技复合面料有限公司 | Process for dyeing yarns with vat dye |
CN106223069A (en) * | 2016-07-26 | 2016-12-14 | 萧县凯奇化工科技有限公司 | A kind of cotton reducing dye dyeing |
CN107476094A (en) * | 2017-08-16 | 2017-12-15 | 新疆如意纺织服装有限公司 | A kind of suspended substance Dyeing Process of Cotton Yarn method of reducing dye |
Non-Patent Citations (1)
Title |
---|
季莉等: "纯棉筒子纱还原染料悬浮体染色 ", 《印染》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113832582A (en) * | 2021-08-26 | 2021-12-24 | 江阴市茂达棉纺厂有限公司 | Composite yarn and preparation and coloring method thereof |
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