CN108951204A - A method of Electrochemical Dyeing is carried out to conductive yarn with bipseudoindoxyl dye - Google Patents
A method of Electrochemical Dyeing is carried out to conductive yarn with bipseudoindoxyl dye Download PDFInfo
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- CN108951204A CN108951204A CN201810508124.9A CN201810508124A CN108951204A CN 108951204 A CN108951204 A CN 108951204A CN 201810508124 A CN201810508124 A CN 201810508124A CN 108951204 A CN108951204 A CN 108951204A
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- conductive yarn
- dyeing
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- electrolyte
- bipseudoindoxyl dye
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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
- D06P1/228—Indigo
-
- 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
- D06P1/645—Aliphatic, araliphatic or cycloaliphatic compounds containing amino groups
-
- 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
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
-
- 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
-
- 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
- D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
- D06P5/2016—Application of electric energy
Abstract
The present invention relates to a kind of methods for carrying out Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye, it includes the following steps: that S1. constructs Electrochemical Dyeing device, it includes anode, cathode and the staining bath equipped with electrolyte, the cathode is the conductive yarn with conductive core, and the conductive yarn passes through several deflector rolls and the electrolyte contacts；S2. it is passed through protection gas into the staining bath, and controls the temperature of electrolyte, current density, to dye to conductive yarn, washes away conductive core with hot water after dyeing, is i.e. completion bipseudoindoxyl dye dyes to obtain hollow yarn to conductive yarn.It has the beneficial effect that, does not need using reducing agent, the dosage of the reduction chemicals of high degree, and dyeing waste-water can be largely reduced；Dye fiber can be gone up completely by restoring completely without dyestuff, save the time, reduce chemicals consumption, waste discharge is few, environmentally friendly；The high cost component such as amberplex is not needed, production cost is reduced.
Description
Technical field
The invention belongs to the dyeing reduction techniques of bipseudoindoxyl dye, and in particular to a kind of to be carried out with bipseudoindoxyl dye to conductive yarn
The method of Electrochemical Dyeing.
Background technique
With the prevalence of international jeans, favor of the jeans by more and more people.Contaminate the indigo of denim
The demand of dyestuff is increasing.Bipseudoindoxyl dye belongs to reducing dye.Reducing dye belongs to greatly polycyclc aromatic compound, also
Former dyestuff is that one kind cannot be directly dissolved in water, it is necessary to after restoring in alkaline solution with strong reductant such as sodium hydrosulfite, become solvable
In dye on the leuco compound sodium salt of water, ability in fiber.The preceding industrial most common reducing dye reducing agent is sodium hydrosulfite (even two sulphur
Sour sodium), oxidation can occur for sodium hydrosulfite, generate sulfate, sulphite, the highly toxic sulfide such as thiosulfate,
A large amount of waste water from dyestuff are generated, environmental pollution is serious.The principle of electrochemical reducing is electronics substitution reducing agent, is made by electric current
With redox effect is reached, dyestuff can be made not generate harmful substance in this way, not will cause three-waste pollution.It is that one kind can be real
The existing environmentally protective method of zero-emission.In the present invention can also the oxidation-reduction potential to dye liquor accurately controlled, can control
Reducing degree processed and rate of reduction.Also dyeing quality can be improved and reduce production cost.
Therefore, recent domestic scholar is being dedicated to studying a kind of clean method for producing always, to substitute current guarantor
Dangerous powder restoring method.The principle of electrochemical method is electricity consumption filial generation for reducing agent, and electronics will not generate harmful by-product, become
A kind of colouring method of clean and environmental protection.Dye liquor was usually first carried out electroreduction using fixed anode and cathode by people in the past,
It is dyed after dye liquor is reduced completely, this restoring method is more demanding for current density, and reducing dye concentration is limited
And need the dyestuff longer recovery time that can just be completely reduced.
Conductive yarn is now widely used for antistatic, dust-proof, and in the fields such as anti-electromagnetic radiation, there is presently no be applied to
In textile printing and dyeing, it is electrochemical reduction that the present invention, which has filled up the domestic blank being applied in printing and dyeing link for conductive yarn,
A kind of new approaches are provided in field.
Summary of the invention
The present invention provides a kind of methods for carrying out Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye, it is intended to overcome existing
The deficiency dyed again to yarn to be dyed using reducing agent and after needing dyestuff to restore completely is needed in technology.
The technical scheme to solve the above technical problems is that a kind of carry out electrification to conductive yarn with bipseudoindoxyl dye
The method for learning dyeing comprising following steps:
S1. Electrochemical Dyeing device is constructed comprising anode, cathode and the staining bath equipped with electrolyte, the cathode are tool
There is the conductive yarn of conductive core, the conductive yarn passes through several deflector rolls and the electrolyte contacts, contains in the electrolyte
There are each substance of following concentration: indigo 0.02-20mol/L, triethanolamine 15-30mol/L, ferric sulfate 5-10mol/L, grape acid
Salt 0.001-1mol/L, sodium hydroxide 0.01-0.1mol/L；
S2. it is passed through protection gas into the staining bath, and controls the temperature of electrolyte in 20-75 DEG C, current density 0.08-
The time that the mean exposure of 2.0 amperes/square decimeter, the entire conductive yarn and the electrolyte dyes is 40-120min,
After dyeing, conductive core, i.e. dyeing of the completion bipseudoindoxyl dye to conductive yarn are washed away.
Based on the above technical solution, the present invention can also do specific choice further below or more preferably select.
Specifically, the anode is nickel electrode.
It is made specifically, conducting medium is added in spinning by water-soluble fibre for the conductive core of the conductive yarn.
Preferably, the weight ratio of water-soluble fibre and conducting medium is 4-10:1.
Preferably, water-soluble fibre is alginic acid fibre, polyvinyl or polyvinyl alcohol, and the conducting medium is carbon black, metal
Powder or conductive polymer subbundle.
Specifically, the conductive polymer subbundle is polyacetylene, polyaniline or polypyrrole.
Specifically, the grape hydrochlorate is calcium gluconate, sodium gluconate or zinc gluconate.
Specifically, the protection gas is nitrogen or argon gas.
Specifically, washing away the method that conductive core uses to immerse in 40-80 DEG C of hot water conductive yarn until conductive
Inner core dissolution.
Preferably, the linear velocity that conductive yarn moves back and forth on deflector roll is 0.2-1.2m/min.
Compared with prior art, the beneficial effects of the present invention are:
The invention is not needed using reducing agent, the dosage of the reduction chemicals of high degree, and can largely reduce dye
Color waste water；Dye fiber can be gone up completely by restoring completely without dyestuff, save the time, reduce chemicals consumption, and waste discharge is few,
It is environmentally friendly；Do not need the high cost component such as amberplex, reduce production cost, appliance arrangement it is relatively simple and can and
Improve the production efficiency of industrialized production；It is indigo high to conductive yarn dyeing efficiency in method provided by the invention, and larger journey
The saving dyeing time and raising dyeing efficiency of degree, save production cost.
Detailed description of the invention
Fig. 1 is to carry out the corresponding device of the method for Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye with provided by the invention
Structural schematic diagram；
In attached drawing, parts list represented by the reference numerals are as follows:
1. staining bath；2. heating device；3. conductive yarn；4. agitating device；5. anode.
Specific embodiment
Principles and features of the present invention are described below in conjunction with drawings and the specific embodiments, example is served only for solving
The present invention is released, is not intended to limit the scope of the present invention.
To avoid repeating, the basic structure of the Electrochemical Dyeing device constructed in following embodiment as shown in Figure 1, its
Including anode 5, cathode and staining bath 1 equipped with electrolyte, the cathode is the conductive yarn 3 with conductive core, the conduction
Yarn further includes heating device 2 for heating to electrolyte and for making by several deflector rolls and the electrolyte contacts
The evenly dispersed agitating device 4 of solute in electrolyte.
Embodiment 1
A method of Electrochemical Dyeing being carried out to conductive yarn with bipseudoindoxyl dye comprising following steps:
It is packed into electrolyte in staining bath, each substance of following concentration: indigo 0.02-1mol/L is contained in the electrolyte,
Triethanolamine 15-25mol/L, ferric sulfate 5-6mol/L, calcium gluconate 0.001-0.1mol/L, sodium hydroxide 0.01-
0.05mol/L；Conductive yam grade makees outsourcing yarn with cotton fiber, and the conducting polyaniline of its weight 1/5th is added in spinning with polyvinyl
Amine obtains conductive core, nitrogen is passed through into the staining bath, and the temperature for controlling electrolyte by heating device is controlled at 20-35 DEG C
Voltage strength between anode and cathode processed makes 0.08-0.2 amperes/square decimeter of current density, the entire conductive yarn and institute
The time for stating the mean exposure dyeing of electrolyte is that (linear velocity of the conductive yarn on deflector roll is 0.2m/min to 80-120min, is led
Electric yarn is in the electrolytic solution toward counterstain six times), after dyeing, in 55-75 DEG C of hot water, conductive core is washed away, i.e. completion indigo
Dyeing of the blue dyestuff to conductive yarn, the K/S value of yarn is 18.24 after detection dyeing.
Embodiment 2
A method of Electrochemical Dyeing being carried out to conductive yarn with bipseudoindoxyl dye comprising following steps:
Electrolyte is packed into staining bath, each substance containing following concentration in the electrolyte: indigo 2-12mol/L, three
Ethanol amine 20-25mol/L, ferric sulfate 8-10mol/L, sodium gluconate 0.01-0.05mol/L, sodium hydroxide 0.05-0.1mol/
L；Conductive yam grade makees outsourcing yarn with cotton fiber, and the electrically conductive polyaniline that its weight a quarter is added in spinning with polyvinyl makees conduction
Inner core is passed through nitrogen into the staining bath, and the temperature for controlling electrolyte by heating device controls anode and cathode at 40-55 DEG C
Between voltage strength make 0.1-0.4 amperes/square decimeter of current density, the entire conductive yarn and the electrolyte
The time of mean exposure dyeing is that (linear velocity of the conductive yarn on deflector roll is 0.5m/min to 40-60min, and conductive yarn is in electricity
Solve in liquid toward counterstain six times), after dyeing, in 60-80 DEG C of hot water, conductive core is washed away, i.e. completion bipseudoindoxyl dye is to leading
The dyeing of electric yarn, the K/S value of yarn is 18.51 after detection dyeing.
Embodiment 3
A method of Electrochemical Dyeing being carried out to conductive yarn with bipseudoindoxyl dye comprising following steps:
Electrolyte is packed into staining bath, each substance containing following concentration in the electrolyte: indigo 10-16mol/L, three
Ethanol amine 26-30mol/L, ferric sulfate 7-8mol/L, sodium gluconate 0.5-1mol/L, sodium hydroxide 0.08-0.1mol/L；It is conductive
Yarn grade makees outsourcing yarn with cotton fiber, and the electric polypyrrole that its weight 1/10th is added in spinning with alginic acid fibre makees conduction
Inner core is passed through nitrogen into the staining bath, and the temperature for controlling electrolyte by heating device controls anode and cathode at 60-75 DEG C
Between voltage strength make 1.0-2.0 amperes/square decimeter of current density, the entire conductive yarn and the electrolyte
The time of mean exposure dyeing is that (linear velocity of the conductive yarn on deflector roll is 1.2m/min to 40-50min, and conductive yarn is in electricity
Solve in liquid toward counterstain six times), after dyeing, in 40-50 DEG C of hot water, conductive core is washed away, i.e. completion bipseudoindoxyl dye is to leading
The dyeing of electric yarn, the K/S value of yarn is 18.76 after detection dyeing.
Embodiment 4
A method of Electrochemical Dyeing being carried out to conductive yarn with bipseudoindoxyl dye comprising following steps:
Electrolyte is packed into staining bath, each substance containing following concentration in the electrolyte: indigo 18-20mol/L, three
Ethanol amine 15-20mol/L, ferric sulfate 5-7mol/L, zinc gluconate 0.05-0.25mol/L, sodium hydroxide 0.1mol/L；It is conductive
Yarn grade makees outsourcing yarn with cotton fiber, and the comminuted steel shot that its weight 1/10th is added in spinning with polyvinyl alcohol makees conductive core, to
Nitrogen is passed through in the staining bath, and the temperature for controlling electrolyte by heating device controls the electricity between anode and cathode at 55-65 DEG C
Compressive Strength makes 0.7-1.5 amperes/square decimeter of current density, the mean exposure of the entire conductive yarn and the electrolyte
The time of dyeing is that (linear velocity of the conductive yarn on deflector roll is 0.8-1.0m/min to 70-90min, and conductive yarn is in electrolyte
In toward counterstain six times), after dyeing, in 40-60 DEG C of hot water, wash away conductive core, i.e. completion bipseudoindoxyl dye is to conductive yam
The dyeing of line, the K/S value of yarn is 18.38 after detection dyeing.
As seen from the above embodiment, the method provided by the invention that Electrochemical Dyeing is carried out to conductive yarn with bipseudoindoxyl dye
Efficiently yarn can be dyed, chemical levels are few, and the three wastes generate few, and the feature of environmental protection is good and lower production costs.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of method for carrying out Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye, which comprises the steps of:
S1. Electrochemical Dyeing device is constructed comprising anode, cathode and the staining bath equipped with electrolyte, the cathode are with leading
The conductive yarn of electric inner core, the conductive yarn pass through several deflector rolls and the electrolyte contacts, contain such as in the electrolyte
Each substance of lower concentration: indigo 0.02-20mol/L, triethanolamine 15-30mol/L, ferric sulfate 5-10mol/L, grape hydrochlorate
0.001-1mol/L, sodium hydroxide 0.01-0.1mol/L；
S2. it is passed through protection gas into the staining bath, and controls the temperature of electrolyte in 20-75 DEG C, current density 0.08-2.0
The time that the mean exposure of ampere/square decimeter, the entire conductive yarn and the electrolyte dyes is 40-120min, dye
After color, conductive core, i.e. dyeing of the completion bipseudoindoxyl dye to conductive yarn are washed away.
2. a kind of method for carrying out Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye according to claim 1, feature
It is, the anode is nickel electrode.
3. a kind of method for carrying out Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye according to claim 1, feature
It is, conducting medium is added in spinning by water-soluble fibre and is made for the conductive core of the conductive yarn.
4. a kind of method for carrying out Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye according to claim 3, feature
It is, the weight ratio of water-soluble fibre and conducting medium is 4-10:1.
5. a kind of method for carrying out Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye according to claim 3, feature
It is, water-soluble fibre is alginic acid fibre, polyvinyl or polyvinyl alcohol, and the conducting medium is carbon black, metal powder or conduction
Macromolecular fibre.
6. a kind of method for carrying out Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye according to claim 5, feature
It is, the conductive polymer subbundle is polyacetylene, polyaniline or polypyrrole.
7. a kind of method for carrying out Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye according to claim 1, feature
It is, the grape hydrochlorate is calcium gluconate, sodium gluconate or zinc gluconate.
8. a kind of method for carrying out Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye according to claim 1, feature
It is, the protection gas is nitrogen or argon gas.
9. a kind of method for carrying out Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye according to claim 1, feature
It is, washes away the method that conductive core uses to immerse in 40-80 DEG C of hot water conductive yarn until conductive core dissolves.
10. a kind of method for carrying out Electrochemical Dyeing to conductive yarn with bipseudoindoxyl dye according to claim 1, feature
It is, the linear velocity that conductive yarn moves back and forth on deflector roll is 0.2-1.2m/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508124.9A CN108951204B (en) | 2018-05-24 | 2018-05-24 | Method for electrochemically dyeing conductive yarn by using indigo dye |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810508124.9A CN108951204B (en) | 2018-05-24 | 2018-05-24 | Method for electrochemically dyeing conductive yarn by using indigo dye |
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| CN108951204B CN108951204B (en) | 2021-04-23 |
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