CN106149384B - A kind of dyeing and finishing method of cotton fabrics - Google Patents
A kind of dyeing and finishing method of cotton fabrics Download PDFInfo
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- CN106149384B CN106149384B CN201610576483.9A CN201610576483A CN106149384B CN 106149384 B CN106149384 B CN 106149384B CN 201610576483 A CN201610576483 A CN 201610576483A CN 106149384 B CN106149384 B CN 106149384B
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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
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- 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
- D06M13/322—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 nitrogen
- D06M13/46—Compounds containing quaternary nitrogen atoms
- D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
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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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- 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
- D06P1/60—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 polyethers
- D06P1/613—Polyethers without nitrogen
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- 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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- 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
- D06P1/67366—Phosphates or polyphosphates
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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
- D06P3/008—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated using reactive dyes
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
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- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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Abstract
The present invention relates to textile dyeing and finishing technical fields, and in particular to a kind of dyeing and finishing method of cotton fabrics includes the following steps：（1）Pre-treatment：After cotton fabrics are pre-wetted, pretreating reagent processing, washing is added；Pretreating reagent is mixed by composite fluid enzyme preparation and combined bleach agent；（2）Dyeing and fixation：Cotton fabrics are placed in modification liquid and are handled, are dried；It is dyed using dye liquor, using sodium carbonate fixation；（3）Final finishing：It is soaped using soaping agent, is dried after washing.The present invention mixes composite fluid enzyme preparation and combined bleach agent, and cotton fabrics are refined and bleached using one-bath method, simplify technique, reduce the discharge and energy consumption of sewage；Cotton fabrics are modified in advance before dyeing using modification liquid, the dosage of neutral salt is reduced, reduces costs, reduce environmental pollution, while improving levelling effect；Cotton fabrics quality is stablized, soft comfortable, and has good fixing property and mechanical property.
Description
Technical field
The present invention relates to textile dyeing and finishing technical fields, and in particular to a kind of dyeing and finishing method of cotton fabrics.
Background technique
Cotton fabrics are that have good ventilative and hygroscopicity using cotton yarn as the woven fabric of raw material, and wear-resisting washable, softness is relaxed
It is suitable, it is widely used in garment material, drapery and TECHNICAL FABRIC.
The manufacturing of cotton fabrics includes the processes such as spinning, weaving and dyeing and finishing, and the superiority and inferiority of dyeing and finishing quality is to textile
Use value has important influence.The dyeing and finishing of cotton fabrics improves service performance to Knitted fabrics appearance is improved, and improves product matter
Amount, increasing varieties and designs etc. plays an important role.Traditional dyeing and finishing method is cotton fabrics according to desizing, kiering, bleaching, dyeing, whole
Reason and etc. successively carry out, this method technical maturity, but its shortcoming is that required time is long, operating process is complicated, and the amount of labour is big,
And water consumption and energy consumption is high, the processing load of subsequent waste water is serious.Therefore its dyeing and finishing method for developing and improving cotton fabrics, makes
Its simple process and low cost, environmental pollution is small, and stable product quality has a very important significance.
Summary of the invention
The purpose of the present invention is being directed to above-mentioned deficiency in the prior art, a kind of dyeing and finishing method of cotton fabrics is provided, is somebody's turn to do
Method and process is simple, at low cost, and environmental pollution is small, stable product quality.
The purpose of the present invention is achieved through the following technical solutions：
A kind of dyeing and finishing method of cotton fabrics, includes the following steps：
（1）Pre-treatment：Cotton fabrics are placed in after pre-wetting 10-15min in 55-60 DEG C of water, pre-treatment is added
Agent, bath raio 1:15-2 is 55-60 DEG C in temperature, after handling 60-80min under the conditions of pH8-9, washing；Pretreating reagent is by compound
Liquid enzyme formulation and combined bleach agent mix, and the mass ratio of complex enzyme formulation and combined bleach agent is 1：0.8-1.2；
（2）Dyeing and fixation：It will be through step（1）The cotton fabrics of middle pre-treatment are placed in modification liquid, bath raio 1:40-
50, cotton fabrics are handled at a temperature of 30-35 DEG C through second dipping and rolling, pick-up 75-80%, drying；Using dye liquor to modified
The cotton fabrics of liquid processing are dyed, bath raio 1:20-25, the dye that begins temperature is 25-35 DEG C, after keeping the temperature 20-30min, heating
To 65-70 DEG C, after dyeing 20-30min at a temperature of 65-70 DEG C, cotton fabrics are taken out；Then use concentration for 10-20g/L's
Sodium carbonate liquor carries out fixation to cotton fabrics under the conditions of 50-60 DEG C, and the processing time is 20-30min, and fixation bath raio is 1:
15-20；
（3）Final finishing：It is soaped using soaping agent to the cotton fabrics after fixation, is washed later, dried.
The present invention mixes composite fluid enzyme preparation and combined bleach agent, using one-bath method to cotton fabrics carry out refining and
Bleaching settles refining and bleaching process at one go, is compared with the traditional method, simplifies technique, reduce discharge and the energy of sewage
Consumption, while the refining and bleaching of cotton fabrics have good effect；In conventional method dyeing, often need to be added in a large amount of
Property salt, is brought very big with improving dyeing rate and upper dye amount, a large amount of discharges of neutral salt after dyeing of dyestuff to sewage treatment
Difficulty increases cost.Cotton fabrics are modified using modification liquid, make cotton fiber surface cationic, in dyeing course
Anionic dye is easier to be adsorbed in cotton fiber surface, to greatly reduce the dosage of neutral salt, reduces costs, and reduces environment
Pollution, while levelling effect is improved, improve product quality.
Further, the step（1）Middle composite fluid enzyme preparation includes the component of following concentration：Cellulase is 7-8
G/L, pectase are 4-5 g/L, lipase 5-6 g/L, fatty alcohol polyoxyethylene ether 0.8-1.2 g/L.
Traditional treatment method refines cotton fabrics under high temperature high alkali environment, and sewage alkalinity is on the one hand discharged by force,
Environment is caused seriously to pollute, the resources such as water, electricity is largely consumed, on the other hand easily causes the oxidative damage of cotton fiber.Complex liquid
Body enzyme preparation refines cotton fabrics, and cellulase, pectase and lipase can act synergistically, and pectase can act on
In the cuticula structure of cotton fiber, the pectin substance in cuticula is hydrolyzed；Cellulase also can decompose the cellulose in cuticula；
Wax in cotton fiber has water repellent effect, and lipase can decompose wax, improve the wettability of cotton fabric；A variety of enzyme collaborations are made
With can promote the removal and decomposition to impurity in cotton fiber, improve refining efficiency and refining effect；Enzyme is decomposing substrate contaminants
Meanwhile under the action of surfactant, so that impurity is detached from cotton fiber, reach good impurity-eliminating effect；The poly alkyl alcohol of selection
Ethylene oxide ether does not intervene the three-dimensional structure of enzyme not in conjunction with enzyme, to reduce influence of the surfactant to enzymatic activity.
Further, the step（1）Combined bleach agent includes the component of following concentration：Hydrogen peroxide 3-4 g/L, four acetyl
Ethylenediamine 7-8 g/L, stabilizer 1-2 g/L, fatty alcohol polyoxyethylene ether 0.8-1.2 g/L.
Tetraacetyl ethylene diamine is as activator, with good environmental-protecting performance and suitable price；Hydrogen peroxide and four acetyl
Ethylenediamine matches, and making cotton fabrics under cryogenic has good bleaching effect, and fatty alcohol polyoxyethylene ether ehter bond is not
It is easily destroyed by acid, alkali, high stability, water-soluble preferable, electrolyte-resistant is readily biodegradable, and cotton fabrics can be improved
The permeability of wetability and other components, stabilizer can be such that hydrogen peroxide uniformly, effectively decomposes in bleaching process, avoid fabric
Acutely damaged.
Further, the stabilizer is at least one of magnesium silicate, sodium phytate.Magnesium silicate has HO2- excellent
Physics and chemisorptive properties, while also having suction-operated to metal ion, its catalytic action can be reduced, whiteness value is preferable,
Slow down decomposing hydrogen dioxide solution speed；Sodium phytate is that have extremely strong chelating to act on metal ion, have for fully natural green stabilizer
Stronger inoxidizability can play the stabilization to hydrogen peroxide.
Further, the step（2）In, modification liquid includes the cationic Gemini surface active that concentration is 3-4 g/L
Agent.
Further, the cationic Gemini surfactant is by the raw material of following molar part according to following preparation method
It is made：Dodecyl Dimethyl Amine 1-1.5 parts, 16-20 parts of isobutanol is added, stirring is added dropwise hydrochloric acid 1.5-2 parts, and hydrochloric acid is pre-
First it is configured to the aqueous hydrochloric acid solution that mass fraction is 36-38%, time for adding 20-30min；Epoxychloropropane 1.5-2 is added dropwise again
Part, time for adding 30-60min；After being warming up to appearance reflux, 4-5 parts of dodecyldimethylamine base tertiary amine are added dropwise, time for adding is
30-60min；6-7h is reacted, vacuum distillation removes isopropanol after reaction, after carrying out recrystallization 3 times using petroleum ether, dries
It is dry, obtain cationic Gemini surfactant.
Cationic Gemini surfactant prepared by the present invention more can effectively improve relative to conventional surfactant
The uniformity of dyeing, dye stability promote the absorption of dyestuff and the raising of dyeing efficiency.Cationic Gemini surfactant
There are two lipophilic groups for tool in molecule, compared with the conventional surfactant of only one lipophilic group, arrange in gas-liquid interface
More compact, critical micelle concentration reduces 10 times or more, and critical micelle concentration is smaller, and surface-active is higher, therefore cation
The activity of type Gemini surface active agent is much higher than traditional surfactant, and has preferably wetability and solubilising.This hair
Bright cationic Gemini surfactant preparation process is simple, and at low cost, purity is 93% or more.
Further, the step（2）In, dye liquor includes following components：Reactive dye 3-4%owf, sodium hydroxide 2-3g/
L, sodium phosphate 5-6 g/L, fat alcohol polyoxyethylene ether 0.4-0.6 g/L.Further, the reactive dye are clarian company
Yellow X-4RN, Red X-6BN and Navy X-GN dyestuff, have many advantages, such as bright in colour, color simple and easy to match.
Further, the step（3）In, soaping agent is that concentration is 0.4-0.5g/L Gleditschiasaponin aqueous solution.Further
Ground, the step（3）In, temperature of soaping is 90-95 DEG C, and soap bath raio is 1:14-18, soap time 20-30min.Soaping can be with
Loose colour and extra chemicals are removed, the abundant color development of dyestuff is made, the cotton fabrics after soaping obtain chromatic colour and softness
Feel, and Gleditschiasaponin is environmentally friendly substance, environmental pollution is small.
Reactive dye needs dye cotton fabrics in alkaline environment, and the anti-of reactive dye can be improved in alkaline environment
Answer activity, but when alkalinity is too strong, reactive dye have little time to spread to fibrous inside i.e. with fiber key and, influence to contaminate.The present invention
By selecting sodium hydroxide and sodium phosphate as compound alkaline agent, it can make reactive dye that can sufficiently uniformly diffuse to fibre before fixation
Dimension inside, improves color fastness, improves dyeing effect, and sodium hydroxide and sodium phosphate can reduce alkaline agent in subsequent sewage with less
Dosage.
Beneficial effects of the present invention：The present invention mixes composite fluid enzyme preparation and combined bleach agent, using one-bath method pair
Cotton fabrics are refined and are bleached, and are settled refining and bleaching process at one go, are compared with the traditional method, simplify technique, subtract
The discharge and energy consumption of sewage are lacked；Cotton fabrics are modified in advance before dyeing using modification liquid, dyestuff is made to be easier to adsorb
In cotton fiber surface, to greatly reduce the dosage of neutral salt, reduces costs, reduce environmental pollution, while improving levelling
Effect improves product quality.
The dyeing and finishing method of cotton fabrics of the present invention is simple, stable product quality, the cotton fabrics soft comfortable of production, and has
There is good fixing property, while the pollution to environment can be reduced.
Specific embodiment
The invention will be further described with the following Examples.
Embodiment 1
In the present embodiment, a kind of dyeing and finishing method of cotton fabrics includes the following steps：
（1）Pre-treatment：Cotton fabrics are placed in after pre-wetting 10min in 60 DEG C of water, pretreating reagent, bath raio is added
It is 1:20, it is 60 DEG C in temperature, after handling 70min under the conditions of pH8.5, washing；Pretreating reagent is by composite fluid enzyme preparation and again
It closes bleaching agent to mix, the mass ratio of complex enzyme formulation and combined bleach agent is 1：1；
（2）Dyeing and fixation：It will be through step（1）The cotton fabrics of middle pre-treatment are placed in modification liquid, bath raio 1:45, cotton
Knitted fabric is handled at a temperature of 32 DEG C through second dipping and rolling, pick-up 80%, drying；The cotton that modified liquid is handled using dye liquor
Knitted fabric is dyed, bath raio 1:20, the dye that begins temperature is 30 DEG C, after keeping the temperature 25min, is warming up to 70 DEG C, dyes at 70 DEG C
After 20min, cotton fabrics are taken out；Then use concentration for the sodium carbonate liquor of 15g/L under the conditions of 55 DEG C to cotton fabrics into
Row fixation, processing time are 25min, and fixation bath raio is 1:18；
（3）Final finishing：It is soaped using soaping agent to the cotton fabrics after fixation, soap bath raio is 1:15, temperature of soaping
It is 95 DEG C, the time of soaping is 25min, and soaping agent is the Gleditschiasaponin aqueous solution that concentration is 0.45g/L, is washed later, is dried.
Further, the step（1）Middle composite fluid enzyme preparation includes the component of following concentration：Cellulase is 7.5
G/L, pectase are 4.5 g/L, 5.5 g/L of lipase, fatty alcohol polyoxyethylene ether 1g/L.
Further, the step（1）Combined bleach agent includes the component of following concentration：3 g/L of hydrogen peroxide, four acetyl second
7 g/L of diamines, 1 g/L of stabilizer, 1 g/L of fatty alcohol polyoxyethylene ether.
Further, the stabilizer is magnesium silicate.
Further, the step（2）In, modification liquid includes the cationic Gemini surface active that concentration is 3.5 g/L
Agent.
Further, the cationic Gemini surfactant is by the raw material of following molar part according to following preparation method
It is made：1.2 parts of Dodecyl Dimethyl Amine, 18 parts of isobutanol is added, stirring is added dropwise 1.8 parts of hydrochloric acid, and time for adding is
25min；1.8 parts of epoxychloropropane are added dropwise again, time for adding 45min；After being warming up to appearance reflux, dodecyldimethylamine is added dropwise
4.5 parts of base tertiary amine, time for adding 45min；6.5h is reacted, vacuum distillation removes isopropanol after reaction, using petroleum ether
After carrying out recrystallization 3 times, drying obtains cationic Gemini surfactant.
Further, the step（2）In, dye liquor includes following components：Reactive dye 3.5%owf, sodium hydroxide 2.5g/
L, 5.5 g/L of sodium phosphate, 0.5 g/L of fat alcohol polyoxyethylene ether.
In the present embodiment, the reactive dye are that mass ratio is 1:1:Yellow X-4RN of 1 clarian company,
Red X-6BN and Navy X-GN dyestuff.
Embodiment 2
In the present embodiment, a kind of dyeing and finishing method of cotton fabrics includes the following steps：
（1）Pre-treatment：Cotton fabrics are placed in after pre-wetting 15min in 55 DEG C of water, pretreating reagent, bath raio is added
It is 1:15, it is 55 DEG C in temperature, after handling 60min under the conditions of pH9, washing；Pretreating reagent is by composite fluid enzyme preparation and compound
Bleaching agent mixes, and the mass ratio of complex enzyme formulation and combined bleach agent is 1：1.2；
（2）Dyeing and fixation：It will be through step（1）The cotton fabrics of middle pre-treatment are placed in modification liquid, bath raio 1:40, cotton
Knitted fabric is handled at a temperature of 30 DEG C through second dipping and rolling, pick-up 78%, drying；The cotton that modified liquid is handled using dye liquor
Knitted fabric is dyed, bath raio 1:25, the dye that begins temperature is 25 DEG C, after keeping the temperature 30min, 65 DEG C is warming up to, at a temperature of 65 DEG C
After dyeing 25min, cotton fabrics are taken out；Then concentration is used to be knitted under the conditions of 50 DEG C to cotton for the sodium carbonate liquor of 10g/L
Object carries out fixation, and the processing time is 30min, and fixation bath raio is 1:15
（3）Final finishing：；It is soaped using soaping agent to the cotton fabrics after fixation, soap bath raio is 1:14, temperature of soaping
It is 90 DEG C, the time of soaping is 30min, and soaping agent is the Gleditschiasaponin aqueous solution that concentration is 0.4g/L, is washed later, is dried.
Further, the step（1）Middle composite fluid enzyme preparation includes the component of following concentration：Cellulase is 7 g/
L, pectase is 5 g/L, 5 g/L of lipase, fatty alcohol polyoxyethylene ether 0.8g/L.
Further, the step（1）Combined bleach agent includes the component of following concentration：4 g/L of hydrogen peroxide, four acetyl second
8 g/L of diamines, 2 g/L of stabilizer, fatty alcohol polyoxyethylene ether 1.2g/L.
Further, the stabilizer is sodium phytate.
Further, the step（2）In, modification liquid includes the cationic Gemini surfactant that concentration is 3 g/L.
Further, the cationic Gemini surfactant is by the raw material of following molar part according to following preparation method
It is made：1 part of Dodecyl Dimethyl Amine, 16 parts of isobutanol is added, stirring is added dropwise 1.5 parts of hydrochloric acid, and hydrochloric acid is pre-configured to matter
Measure the aqueous hydrochloric acid solution that score is 36%, time for adding 20min；1.5 parts of epoxychloropropane are added dropwise again, time for adding is
30min；After being warming up to appearance reflux, 4 parts of dodecyldimethylamine base tertiary amine, time for adding 30min is added dropwise；React 6.h, reaction
After vacuum distillation remove isopropanol, after carrying out recrystallization 3 times using petroleum ether, it is living to obtain cationic Shuangzi surface for drying
Property agent.
Further, the step（2）In, dye liquor includes following components：Reactive dye 3%owf, sodium hydroxide 2g/L, phosphorus
Sour 6 g/L of sodium, fat alcohol polyoxyethylene ether 0.4g/L.
In the present embodiment, the reactive dye are that mass ratio is 2:1:Yellow X-4RN of 1 clarian company,
Red X-6BN and Navy X-GN dyestuff.
Embodiment 3
In the present embodiment, a kind of dyeing and finishing method of cotton fabrics includes the following steps：
（1）Pre-treatment：Cotton fabrics are placed in after pre-wetting 12min in 58 DEG C of water, pretreating reagent, bath raio is added
It is 1:18, it is 58 DEG C in temperature, 80min, pick-up 80%, washing is handled under the conditions of pH8；Pretreating reagent is by composite fluid enzyme
Preparation and combined bleach agent mix, and the mass ratio of complex enzyme formulation and combined bleach agent is 1：0.8；
（2）Dyeing and fixation：It will be through step（1）The cotton fabrics of middle pre-treatment are placed in modification liquid, bath raio 1:45, cotton
Knitted fabric is handled at a temperature of 33 DEG C through second dipping and rolling, pick-up 75%, drying；The cotton that modified liquid is handled using dye liquor
Knitted fabric is dyed, bath raio 1:22, the dye that begins temperature is 28 DEG C, after keeping the temperature 22min, 68 DEG C is warming up to, at a temperature of 68 DEG C
After dyeing 25min, cotton fabrics are taken out；Then concentration is used to be knitted under the conditions of 60 DEG C to cotton for the sodium carbonate liquor of 20g/L
Object carries out fixation, and the processing time is 20min, and fixation bath raio is 1: 20.；
（3）Final finishing：It is soaped using soaping agent to the cotton fabrics after fixation, soap bath raio is 1:18, temperature of soaping
It is 95 DEG C, the time of soaping is 20min, and soaping agent is the Gleditschiasaponin aqueous solution that concentration is 0.5g/L, is washed later, is dried；
Further, the step（1）Middle composite fluid enzyme preparation includes the component of following concentration：Cellulase is 8 g/
L, pectase is 4g/L, 6 g/L of lipase, 1.2 g/L of fatty alcohol polyoxyethylene ether.
Further, the step（1）Combined bleach agent includes the component of following concentration：Hydrogen peroxide 3.5g/L, four acetyl
Ethylenediamine 7.5g/L, 1.5 g/L of stabilizer, 0.8 g/L of fatty alcohol polyoxyethylene ether.
Tetraacetyl ethylene diamine is as activator, with good environmental-protecting performance and suitable price；Hydrogen peroxide and four acetyl
Ethylenediamine matches, and making cotton fabrics under cryogenic has good bleaching effect, and fatty alcohol polyoxyethylene ether ehter bond is not
It is easily destroyed by acid, alkali, high stability, water-soluble preferable, electrolyte-resistant is readily biodegradable, and cotton fabrics can be improved
The permeability of wetability and other components, stabilizer can be such that hydrogen peroxide uniformly, effectively decomposes in bleaching process, avoid fabric
Acutely damaged.
Further, the stabilizer mass ratio is 1：1 magnesium silicate and sodium phytate.
Further, the step（2）In, modification liquid includes the cationic Gemini surfactant that concentration is 4 g/L.
Further, the cationic Gemini surfactant is by the raw material of following molar part according to following preparation method
It is made：1.5 parts of Dodecyl Dimethyl Amine, 20 parts of isobutanol is added, stirring is added dropwise 2 parts of hydrochloric acid, and hydrochloric acid is pre-configured to matter
Measure the aqueous hydrochloric acid solution that score is 8%, time for adding 30min；2 parts of epoxychloropropane are added dropwise again, time for adding 60min；It rises
5 parts of dodecyldimethylamine base tertiary amine, time for adding 60min is added dropwise to after there is reflux in temperature；7h is reacted, is subtracted after reaction
Isopropanol is distilled off in pressure, and after carrying out recrystallization 3 times using petroleum ether, drying obtains cationic Gemini surfactant.
Further, the step（2）In, dye liquor includes following components：Reactive dye 4%owf, sodium hydroxide 2.5g/L,
5.2 g/L of sodium phosphate, 0.6 g/L of fat alcohol polyoxyethylene ether.
In the present embodiment, the reactive dye are that mass ratio is 1:2:Yellow X-4RN of 1 clarian company,
Red X-6BN and Navy X-GN dyestuff.
Embodiment 4
In the present embodiment, a kind of dyeing and finishing method of cotton fabrics includes the following steps：
（1）Pre-treatment：Cotton fabrics are placed in after pre-wetting 10min in 60 DEG C of water, pretreating reagent, bath raio is added
It is 1:20, it is 60 DEG C in temperature, after handling 65min under the conditions of pH8.5, washing；Pretreating reagent is by composite fluid enzyme preparation and again
It closes bleaching agent to mix, the mass ratio of complex enzyme formulation and combined bleach agent is 1：0.9；
（2）Dyeing and fixation：It will be through step（1）The cotton fabrics of middle pre-treatment are placed in modification liquid, bath raio 1:50,
Cotton fabrics are handled at a temperature of 30 DEG C through second dipping and rolling, pick-up 80%, drying；Modified liquid is handled using dye liquor
Cotton fabrics are dyed, bath raio 1:25, the dye that begins temperature is 30 DEG C, after keeping the temperature 30min, 68 DEG C is warming up to, in 68 DEG C of temperature
After lower dyeing 25min, cotton fabrics are taken out；Then use concentration for the sodium carbonate liquor of 15g/L under the conditions of 50 DEG C to cotton needle
Fabric carries out fixation, and the processing time is 30min, and fixation bath raio is 1:15；
（3）Final finishing：It is soaped using soaping agent to the cotton fabrics after fixation, soap bath raio is 1:15, temperature of soaping
It is 95 DEG C, the time of soaping is 25min, and soaping agent is the Gleditschiasaponin aqueous solution that concentration is 0.5g/L, is washed later, is dried.
Further, the step（1）Middle composite fluid enzyme preparation includes the component of following concentration：Cellulase is 7.5
G/L, pectase are 4 g/L, 6 g/L of lipase, 0.9 g/L of fatty alcohol polyoxyethylene ether.
Further, the step（1）Combined bleach agent includes the component of following concentration：3.8 g/L of hydrogen peroxide, four acetyl
7.2 g/L of ethylenediamine, stabilizer 1.5g/L, 1.1 g/L of fatty alcohol polyoxyethylene ether.
Further, the stabilizer is magnesium silicate.
Further, the step（2）In, modification liquid includes the cationic Gemini surface active that concentration is 3.2g/L
Agent.
Further, the cationic Gemini surfactant is by the raw material of following molar part according to following preparation method
It is made：1.5 parts of Dodecyl Dimethyl Amine, 18 parts of isobutanol is added, stirring is added dropwise 2 parts of hydrochloric acid, and hydrochloric acid is pre-configured to matter
Measure the aqueous hydrochloric acid solution that score is 36%, time for adding 30min；1.5 parts of epoxychloropropane are added dropwise again, time for adding is
50min；After being warming up to appearance reflux, 4.5 parts of dodecyldimethylamine base tertiary amine, time for adding 40min is added dropwise；6.5h is reacted,
Vacuum distillation removes isopropanol after reaction, and after carrying out recrystallization 3 times using petroleum ether, drying obtains cationic Shuangzi table
Face activating agent.Further, the step（2）In, dye liquor includes following components：Reactive dye 3.2%owf, sodium hydroxide
2.8g/L, 5.8 g/L of sodium phosphate, 0.5 g/L of fat alcohol polyoxyethylene ether.
In the present embodiment, the reactive dye are that mass ratio is 1:1:Yellow X-4RN of 2 clarian company,
Red X-6BN and Navy X-GN dyestuff.
Cotton fabrics of the invention are premenstrual treated whiteness value, according to CIE standard, with ColorQuest XE points
Light colour photometer is in lower measurement, light source D65/10；Fabric weightless test weighs the matter before fabric treating with electronic analytical balance respectively
Measure M1With treated mass M2, first in the mark that temperature is 20 DEG C ± 2 DEG C, relative humidity is 65% ± 3% before weighing quality
Damping claims again after 24 hours in quasi- atmosphere, and weight-loss ratio calculates as follows：Weight-loss ratio（%）=（M1-M2）/M1×100%；Top
Broken strength is measured according to GB/T19976-2005, is measured preposition in constant temperature perseverance room 24 hours or more；By the cotton needle in embodiment 1-4
Fabric treated before menstruation whiteness value, fabric be weightless, bursting strength and the conventional work being distributed using alkali boiling and hydrogen peroxide bleaching
Skill is compareed, and the results are shown in Table 1：
The control for treated performance and common process that the cotton fabrics of the present invention of table 1 are premenstrual
As shown in Table 1, after composite fluid enzyme preparation and combined bleach agent processing, whiteness value is arrived cotton fabrics of the invention
The effect of traditional handicraft has been reached, fabric weight-loss ratio is smaller, and bursting strength is slightly above traditional handicraft, while simplifying technique, tool
There are good refining and bleaching effect.
Color fastness measurement is carried out after dyeing and finishing to cotton fabrics of the invention, wherein colour fastness to rubbing presses GB/T3920-
2008 measurements；Fastness to soaping is measured by GB/T3921-2008；Colour fasteness to sunlight is measured by GB/T3923-2008.Cotton needle
The measurement of fabric equalization appoints in same fabric sample and n point is taken to measure its K/S value, then count according to the principle of mathematical statistics
Calculate average value XIt is average, and calculate each measuring point XiRelative standard deviation S（r）, to indicate the unevenness of fabric surface color after dyeing
Property, value is smaller, and equalization is better, and K/S value therein ColorQuest XE spectrophotometric color measurement instrument measures, light source D65/
10, K/S values（The value of cotton fabrics maximum absorption wave strong point）Bigger, surface color is deeper.Measurement result is as shown in table 2：
Dyeability of 2 cotton fabrics of table after dyeing and finishing
As shown in Table 2, cotton fabrics of the invention have good fixing property after dyeing and finishing, colour fastness to rubbing, resistance to
WASHING COLOR FASTNESS, fastness to soaping are all satisfied requirement, and equalization is good.Meanwhile cotton fabrics flexibility is good, when human body touch
With good feel.
In conclusion the dyeing and finishing method of cotton fabrics of the present invention is while simplifying technique, reducing the pollution to environment, it is raw
The stable product quality of output has good comprehensive performance, and fixing property is good, cotton fabrics soft comfortable.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (4)
1. a kind of dyeing and finishing method of cotton fabrics, it is characterised in that：Include the following steps：
(1) pre-treatment：Cotton fabrics are placed in after pre-wetting 10-15min in 55-60 DEG C of water, pretreating reagent, bath is added
Than being 1:15-20 is 55-60 DEG C in temperature, after handling 60-80min under the conditions of pH8-9, washing；Pretreating reagent is by composite fluid
Enzyme preparation and combined bleach agent mix, and the mass ratio of composite fluid enzyme preparation and combined bleach agent is 1:0.8-1.2；It is described
Composite fluid enzyme preparation includes the component of following concentration：Cellulase is 7-8g/L, pectase 4-5g/L, lipase 5-6g/
L, fatty alcohol polyoxyethylene ether 0.8-1.2g/L；The combined bleach agent includes the component of following concentration：Hydrogen peroxide 3-4g/L, four
Acetyl ethylenediamine 7-8g/L, stabilizer 1-2g/L, fatty alcohol polyoxyethylene ether 0.8-1.2g/L；
(2) dyeing and fixation：Cotton fabrics through step (1) pre-treatment are placed in modification liquid, bath raio 1:40-50, cotton needle
Fabric is handled at a temperature of 30-35 DEG C through second dipping and rolling, pick-up 75-80%, drying；Wherein, the modification liquid includes dense
Degree be 3-4g/L cationic Gemini surfactant, the cationic Gemini surfactant by following molar part original
Material is made according to following preparation method：By 1-1.5 parts of Dodecyl Dimethyl Amine, 16-20 parts of isobutanol, salt is added dropwise in stirring
1.5-2 parts sour, hydrochloric acid is pre-configured to the aqueous hydrochloric acid solution that mass fraction is 36-38%, time for adding 20-30min；It drips again
Add 1.5-2 parts of epoxychloropropane, time for adding 30-60min；After being warming up to appearance reflux, dodecyldimethylamine base uncle is added dropwise
4-5 parts of amine, time for adding 30-60min；React 6-7h, after reaction vacuum distillation remove isopropanol, using petroleum ether into
After row recrystallization 3 times, drying obtains cationic Gemini surfactant；The cotton fabrics that modified liquid is handled using dye liquor
It is dyed, bath raio 1:20-25, the dye that begins temperature is 25-35 DEG C, and dye liquor includes following components：Reactive dye 3-4%owf, hydrogen
Sodium oxide molybdena 2-3g/L, sodium phosphate 5-6g/L, fatty alcohol polyoxyethylene ether 0.4-0.6g/L；After keeping the temperature 20-30min, it is warming up to 65-
70 DEG C, after dyeing 20-30min, take out cotton fabrics；Then using concentration is the sodium carbonate liquor of 10-20g/L at 50-60 DEG C
Under the conditions of to cotton fabrics carry out fixation, the processing time be 20-30min, fixation bath raio be 1:15-20；
(3) final finishing：It is soaped using soaping agent to the cotton fabrics after fixation；It washes, dries later.
2. a kind of dyeing and finishing method of cotton fabrics according to claim 1, it is characterised in that：The stabilizer is silicic acid
At least one of magnesium, sodium phytate.
3. a kind of dyeing and finishing method of cotton fabrics according to claim 1, it is characterised in that：In the step (3), soap
Agent is that concentration is 0.4-0.5g/L Gleditschiasaponin aqueous solution.
4. a kind of dyeing and finishing method of cotton fabrics according to claim 1, it is characterised in that：In the step (3), soap
Temperature is 90-95 DEG C, and soap bath raio is 1:14-18, time of soaping are 20-30min.
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| CN109355893A (en) * | 2018-09-11 | 2019-02-19 | 陈光勇 | A kind of environmentally friendly degreasing method for bleaching of cotton products |
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