CN109252396A - A kind of high-efficiency activated dyeing method of cotton fabric - Google Patents
A kind of high-efficiency activated dyeing method of cotton fabric Download PDFInfo
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- CN109252396A CN109252396A CN201811041926.XA CN201811041926A CN109252396A CN 109252396 A CN109252396 A CN 109252396A CN 201811041926 A CN201811041926 A CN 201811041926A CN 109252396 A CN109252396 A CN 109252396A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/38—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using reactive dyes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/653—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
- D06P1/655—Compounds containing ammonium groups
- D06P1/66—Compounds containing ammonium groups containing quaternary ammonium groups
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of high-efficiency activated dyeing methods of cotton fabric, it include: that will be padded to dyeing cotton fabric in cation modifying agent solution, the cation modifying agent solution include: chitosan cation modifying agent 1-15g/L, polybasic carboxylic acid 1-15g/L, sodium hypophosphite 1-5g/L, surplus be water, second dipping and rolling, preliminary drying again then bakes, washing, drying, obtains pretreated to dyeing cotton fabric；It is immersed in pretreated in reactive dye dye liquor to dyeing cotton fabric, 30-40 DEG C of tripping in dye is warming up to 60-70 DEG C with the speed of 1-2 DEG C/min, keeps the temperature 5-15min, add the soda ash of 5-20g/L, keep the temperature 25-35min, and washing is soaped, and is dried.A kind of high-efficiency activated dyeing method of cotton fabric proposed by the present invention, not only simple process, implements to be easy, and color fastness is high, good level-dyeing property.
Description
Technical field
The present invention relates to staining technique field more particularly to a kind of high-efficiency activated dyeing methods of cotton fabric.
Background technique
Reactive dye because in dye molecule containing with active group that fiber reacts and gain the name, and can be described as reacting
Property dyestuff.Reactive dye are that cellulose dyeing is most important since it is bright in colour, chromatography is complete, wet colour fastness is excellent
A class of dyes.But a large amount of inorganic salts (such as sodium chloride and sodium sulphate), salt dosage 30- need to be added when reactive dyeing
The modifying porcelain difficulty of 100g/L, high salinity are big, at high cost, if direct emission will change the water quality in rivers and lakes, lead to lake
Soil property salination around mooring, seriously affects crop growth.In addition, reactive dyeing has that degree of fixation is low,
Dye utilization rate is generally only 50-70%, causes the waste of a large amount of dyestuffs and the discharge of colorful wastewater.
It for the pollution of salt present in dyeing, color pollution problem, has conducted extensive research both at home and abroad, including the novel work of exploitation
Property dyestuff, optimize dyeing, exploitation salt-free dyeing auxiliary cotton fiber is modified.Cation wherein is carried out to cotton fiber
Change and be modified, it is considered to be a method of effectively solve salt pollution.
Although can promote the absorption of dyestuff after cotton fiber cationization, the dosage of usually cation is larger, and
Cation-modified processing step is more, cumbersome, so that the effect of reactive dye salt-free dyeing is not significant.
Summary of the invention
The problem of based on background technique, the invention proposes a kind of high-efficiency activated dyeing sides of cotton fabric
Method, not only simple process, implements to be easy, and color fastness is high, good level-dyeing property.
The invention proposes a kind of high-efficiency activated dyeing methods of cotton fabric, include the following steps:
S1, it will be padded to dyeing cotton fabric in cation modifying agent solution, second dipping and rolling, padding temperature is 40-50 DEG C, is rolled
Remaining rate is 70-90%, then the preliminary drying 1-3min at 80-90 DEG C, and 3-5min is then baked at 130-140 DEG C, is washed, drying,
Obtain it is pretreated to dyeing cotton fabric, wherein the cation modifying agent solution includes: chitosan cation modifying agent
1-15g/L, polybasic carboxylic acid 1-15g/L, sodium hypophosphite 1-5g/L, surplus are water；
S2, by S1 obtain it is pretreated be immersed in reactive dye dye liquor to dyeing cotton fabric, adjusting bath raio be 1:40-
50,30-40 DEG C of tripping in dyes, are warming up to 60-70 DEG C with the speed of 1-2 DEG C/min, keep the temperature 5-15min, then press reactive dye dye liquor
Volume be added 5-20g/L soda ash, keep the temperature 25-35min, be cooled to room temperature, wash, soap, dry.
Preferably, the method for preparing the chitosan cation modifying agent includes: that chitosan is dissolved in concentration for 0.5-
It is stirred to react in the hydrochloric acid solution of 1.5mol/L, obtains the chitosan solution that content is 2-6wt%；Into the chitosan solution
Glycidyl methacrylate is added, glycidyl methacrylate, the weight ratio of chitosan are 1:5-20, are warming up to
It is stirred to react 2-4h after 80-100 DEG C, adds MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, methylacryoyloxyethyl three
Ammonio methacrylate, chitosan weight ratio be 1:1-4, be added initiator after being warming up to 60-70 DEG C under nitrogen protection, initiator,
The weight ratio of chitosan is 1:600-1000, insulation reaction 4-6h, and ethyl alcohol is added after being cooled to room temperature, and is filtered, washing, and vacuum is dry
It is dry, obtain the chitosan cation modifying agent.
Preferably, the initiator is that the potassium peroxydisulfate of weight ratio 2-4:1 and sodium hydrogensulfite compound to be formed.
Preferably, in S1, the polybasic carboxylic acid is butane tetracarboxylic acid or citric acid.
Preferably, in S2, the concentration of reactive dye is 1-5% (owf) in the reactive dye dye liquor.
Preferably, the reactive dye are vinyl-sulfone reactive dyes or ethene improved sulfone type reactive dye.Preferably, institute
Reactive dye are stated as at least one of active red L-S, the yellowish-brown L-F of activity, reactive navy blue L-3G.
Preferably, in S2, washing temperature is 40-60 DEG C, time 3-10min.
Preferably, it in S2, soaps and is soaped using the soaping agent of 1-3g/L, the soaping agent is weight ratio 1:0.4-
0.8 neopelex and NP-100 compounds to be formed, and temperature of soaping is 80-90 DEG C, and the time of soaping is 5-25min.
The present invention proposes a kind of high-efficiency activated dyeing method of cotton fabric, will first pad to dyeing cotton fabric and gather containing shell
The finishing fluid of sugared cation modifying agent, it is cation-modified to cotton fabric progress using the agent of chitosan cation modifying, hereafter
This is waited for that dyeing and weaving object is immersed in reactive dye dye liquor and dyes.Spread out since the chitosan cation modifying agent belongs to chitosan
Biology, it is water-soluble, treat dyeing cotton fabric hydrophilicity influence it is small, therefore can under the premise of not influencing dye-uptake so that
Cotton fabric has positive electricity performance: on the one hand can greatly reduce activity in conjunction with the sulfonic group anion on reactive dye
The water soluble characteristic of dyestuff, hence it is evident that the affinity that dyestuff treats dyeing cotton fabric fiber is improved, so as to by the activity in dye liquor
Dyestuff is further adsorbed on fabric fibre, improves the degree of fixation of reactive dye；On the other hand, the cation modifying agent is molten
Be also added into polybasic carboxylic acid and sodium hypophosphite in liquid, polybasic carboxylic acid under the catalysis of sodium hypophosphite with the hydroxyl on cotton-textile fibres
Carry out esterification, while also being reacted with the hydroxyl in chitosan cation modifying agent, so can by the chitosan sun from
Sonization modifying agent essence anchor while reducing chitosan cation modifying agent dosage, also to be cationized on cotton fabric
It closes object to be uniformly distributed on cotton fabric, is conducive to the absorption uniformity of consequent activities dyestuff, improves the level-dyeing property of fabric.
In addition, chitosan cation modifying agent of the present invention by by chitosan in acid condition to metering system
Acid glycidyl ester carries out nucleophilic epoxy ring opening reaction so that glycidyl methacrylate on chitosan graft, can again with
MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride carries out copolyreaction, obtains grafted methacrylic acid glycidol on chitosan
Ester-MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride copolymerization, the cation modifying as a kind of high molecular weight try
Agent, on the one hand its chitosan group for being included can form chemistry with cotton fiber under the action of polybasic carboxylic acid and sodium hypophosphite
Key connection is not easy to fall off from fiber during contaminating on reactive dye, promotees dye effect stability；On the other hand it includes a large amount of
Amine salt group, and can reduce hydrolysis of the dyestuff on fiber to have very high degree of fixation.
In summary, the high-efficiency activated dyeing method of a kind of cotton fabric provided by the present invention, easy to operate, dyeing
Uniformly, the exhaustion rate and color fastness of reactive dye can be significantly improved, and step is simple, can reduce cost, reduce discharge,
Reduce environmental pollution.
Specific embodiment
Embodiment 1
In the present embodiment, a kind of high-efficiency activated dyeing method of cotton fabric includes the following steps:
S1, it will be padded to dyeing cotton fabric in cation modifying agent solution, second dipping and rolling, padding temperature is 40 DEG C, is rolled remaining
Rate is 90%, then the preliminary drying 3min at 80 DEG C, and 5min is then baked at 130 DEG C, wash, drying, obtain it is pretreated to
Dyeing cotton fabric, wherein the cation modifying agent solution includes: chitosan cation modifying agent 1g/L, butane tetracarboxylic acid
1g/L, sodium hypophosphite 1g/L, surplus are water, and the method for preparing the chitosan cation modifying agent includes: that chitosan is molten
It is stirred to react in the hydrochloric acid solution that concentration is 1.5mol/L, obtains the chitosan solution that content is 6wt%；To the chitosan
Glycidyl methacrylate is added in solution, glycidyl methacrylate, the weight ratio of chitosan are 1:5, heating
It is stirred to react 2h after to 100 DEG C, adds MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, methylacryoyloxyethyl trimethyl
Ammonium chloride, chitosan weight ratio be 1:4, initiator, the weight of initiator, chitosan is added after being warming up to 60 DEG C under nitrogen protection
Amount is than being 1:1000, and the initiator is that the potassium peroxydisulfate of weight ratio 2:1 and sodium hydrogensulfite are compounded and to be formed, insulation reaction 6h,
Ethyl alcohol is added after being cooled to room temperature, filters, washs, vacuum drying obtains the chitosan cation modifying agent；
S2, by S1 obtain it is pretreated be immersed in reactive dye dye liquor to dyeing cotton fabric, reactive dye dye
The concentration of reactive dye is 1% (owf) in liquid, and the reactive dye are active red L-S, and adjusting bath raio is 1:40,40 DEG C of tripping in
Dye is warming up to 70 DEG C with the speed of 1 DEG C/min, keeps the temperature 5min, then the soda ash of 5g/L is added by the volume of reactive dye dye liquor, protects
Warm 25min, is cooled to room temperature, and washes 3min at 60 DEG C, is soaped at 80 DEG C 25min using the soaping agent of 3g/L, drying.
Embodiment 2
In the present embodiment, a kind of high-efficiency activated dyeing method of cotton fabric includes the following steps:
S1, it will be padded to dyeing cotton fabric in cation modifying agent solution, second dipping and rolling, padding temperature is 50 DEG C, is rolled remaining
Rate is 70%, then the preliminary drying 1min at 90 DEG C, and 3min is then baked at 140 DEG C, wash, drying, obtain it is pretreated to
Dyeing cotton fabric, wherein the cation modifying agent solution includes: chitosan cation modifying agent 15g/L, citric acid 15g/
L, sodium hypophosphite 5g/L, surplus be water, the method for preparing the chitosan cation modifying agent include: chitosan is dissolved in it is dense
It is stirred to react in the hydrochloric acid solution that degree is 0.5mol/L, obtains the chitosan solution that content is 2wt%；To the chitosan solution
Middle addition glycidyl methacrylate, glycidyl methacrylate, the weight ratio of chitosan are 1:20, are warming up to 80
It is stirred to react 4h after DEG C, adds MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, methylacryoyloxyethyl trimethyl ammonia chloride
Ammonium, chitosan weight ratio be 1:1, initiator, the weight ratio of initiator, chitosan is added after being warming up to 70 DEG C under nitrogen protection
For 1:600, the initiator is that the potassium peroxydisulfate of weight ratio 4:1 and sodium hydrogensulfite compound to be formed, and insulation reaction 4h is cooled to
Ethyl alcohol is added after room temperature, filters, washs, vacuum drying obtains the chitosan cation modifying agent；
S2, by S1 obtain it is pretreated be immersed in reactive dye dye liquor to dyeing cotton fabric, reactive dye dye
The concentration of reactive dye is 5% (owf) in liquid, and the reactive dye are the yellowish-brown L-F of activity, and adjustings bath raio is 1:50, at 30 DEG C
Enter dye, be warming up to 60 DEG C with the speed of 2 DEG C/min, keeps the temperature 15min, then the pure of 20g/L is added by the volume of reactive dye dye liquor
Alkali keeps the temperature 25min, is cooled to room temperature, washes 10min at 40 DEG C, is soaped at 90 DEG C 5min using the soaping agent of 1g/L, dries
It is dry.
Embodiment 3
In the present embodiment, a kind of high-efficiency activated dyeing method of cotton fabric includes the following steps:
S1, it will be padded to dyeing cotton fabric in cation modifying agent solution, second dipping and rolling, padding temperature is 45 DEG C, is rolled remaining
Rate is 80%, then the preliminary drying 2min at 85 DEG C, and 4min is then baked at 135 DEG C, wash, drying, obtain it is pretreated to
Dyeing cotton fabric, wherein the cation modifying agent solution includes: chitosan cation modifying agent 8g/L, butane tetracarboxylic acid
8g/L, sodium hypophosphite 3g/L, surplus are water, and the method for preparing the chitosan cation modifying agent includes: that chitosan is molten
It is stirred to react in the hydrochloric acid solution that concentration is 1.0mol/L, obtains the chitosan solution that content is 4wt%；To the chitosan
Glycidyl methacrylate is added in solution, glycidyl methacrylate, the weight ratio of chitosan are 1:12, heating
It is stirred to react 3h after to 90 DEG C, adds MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, methylacryoyloxyethyl trimethyl
Ammonium chloride, chitosan weight ratio be 1:2, initiator, the weight of initiator, chitosan is added after being warming up to 65 DEG C under nitrogen protection
Amount is than being 1:800, and the initiator is that the potassium peroxydisulfate of weight ratio 3:1 and sodium hydrogensulfite are compounded and to be formed, and insulation reaction 5h is cold
But it to ethyl alcohol is added after room temperature, filters, washs, vacuum drying obtains the chitosan cation modifying agent；
S2, by S1 obtain it is pretreated be immersed in reactive dye dye liquor to dyeing cotton fabric, reactive dye dye
The concentration of reactive dye is 3% (owf) in liquid, and the reactive dye are reactive navy blue L-3G, and adjustings bath raio is 1:45, at 35 DEG C
Enter dye, be warming up to 65 DEG C with the speed of 1.5 DEG C/min, keeps the temperature 10min, then be added 15g/L's by the volume of reactive dye dye liquor
Soda ash keeps the temperature 30min, is cooled to room temperature, washes 6min at 50 DEG C, is soaped at 85 DEG C 15min using the soaping agent of 2g/L, dries
It is dry.
Embodiment 4
In the present embodiment, a kind of high-efficiency activated dyeing method of cotton fabric includes the following steps:
S1, it will be padded to dyeing cotton fabric in cation modifying agent solution, second dipping and rolling, padding temperature is 48 DEG C, is rolled remaining
Rate is 85%, then the preliminary drying 2min at 82 DEG C, and 4.5min is then baked at 136 DEG C, is washed, and drying obtains pretreated
To dyeing cotton fabric, wherein the cation modifying agent solution includes: chitosan cation modifying agent 5g/L, citric acid 10g/
L, sodium hypophosphite 4g/L, surplus be water, the method for preparing the chitosan cation modifying agent include: chitosan is dissolved in it is dense
It is stirred to react in the hydrochloric acid solution that degree is 1.2mol/L, obtains the chitosan solution that content is 3wt%；To the chitosan solution
Middle addition glycidyl methacrylate, glycidyl methacrylate, the weight ratio of chitosan are 1:15, are warming up to 95
It is stirred to react 3.5h after DEG C, adds MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, methylacryoyloxyethyl trimethyl chlorine
Change ammonium, the weight ratio of chitosan is 1:3, initiator, the weight of initiator, chitosan is added after being warming up to 68 DEG C under nitrogen protection
Than for 1:900, the initiator is that the potassium peroxydisulfate of weight ratio 3.5:1 and sodium hydrogensulfite compound to be formed, insulation reaction 5.5h,
Ethyl alcohol is added after being cooled to room temperature, filters, washs, vacuum drying obtains the chitosan cation modifying agent；
S2, by S1 obtain it is pretreated be immersed in reactive dye dye liquor to dyeing cotton fabric, reactive dye dye
The concentration of reactive dye is 4% (owf) in liquid, and the reactive dye are active red L-S, the yellowish-brown L-F of activity, and adjusting bath raio is 1:
45,30 DEG C of tripping in dyes, are warming up to 68 DEG C with the speed of 1.3 DEG C/min, keep the temperature 12min, then add by the volume of reactive dye dye liquor
Enter the soda ash of 16g/L, keeps the temperature 28min, be cooled to room temperature, wash 8min at 60 DEG C, using the soaping agent of 2.5g/L at 88 DEG C
Soap 10min, drying.
The test method of indices in the present invention is as follows:
(1) dye level (K/S value)
Dye level is tested using Datacolor test color matching instrument.
(2) exhaustion rate
Exhaustion rate is tested referring to standard GB/T 2391-80.
(3) degree of fixation
Degree of fixation is tested referring to standard GB/T 2391-80.
(4) color fastness
Colour fastness to rubbing is referring to standard GB/T/T3920-2008 test；
Fastness to soaping is referring to standard GB/T/T3921-2008 test；
Washing color fastness is referring to standard GB/T/T5703-1997 test.
The high-efficiency activated dyeing method of cotton fabric described in above-described embodiment 1-4 obtain to dyeing cotton fabric performance
Test result is as follows shown in table:
As seen from the above table, the high-efficiency activated dyeing method of a kind of cotton fabric provided by the present invention, easy to operate, dye
Color is uniform, can significantly improve the exhaustion rate and color fastness of reactive dye, and step is simple, can reduce cost, the row of reduction
It puts, reduces environmental pollution.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of high-efficiency activated dyeing method of cotton fabric, which comprises the steps of:
S1, it will be padded to dyeing cotton fabric in cation modifying agent solution, second dipping and rolling, padding temperature is 40-50 DEG C, pick-up
For 70-90%, then the preliminary drying 1-3min at 80-90 DEG C, 3-5min is then baked at 130-140 DEG C, is washed, and drying obtains
It is pretreated to dyeing cotton fabric, wherein the cation modifying agent solution includes: chitosan cation modifying agent 1-
15g/L, polybasic carboxylic acid 1-15g/L, sodium hypophosphite 1-5g/L, surplus are water；
S2, by S1 obtain it is pretreated be immersed in reactive dye dye liquor to dyeing cotton fabric, adjusting bath raio be 1:40-50,
30-40 DEG C of tripping in dye, is warming up to 60-70 DEG C with the speed of 1-2 DEG C/min, keeps the temperature 5-15min, then press the body of reactive dye dye liquor
The soda ash of 5-20g/L is added in product, keeps the temperature 25-35min, is cooled to room temperature, and washes, soaps, and dries.
2. the high-efficiency activated dyeing method of cotton fabric according to claim 1, which is characterized in that in S1, described in preparation
The method of chitosan cation modifying agent includes: that chitosan is dissolved in the hydrochloric acid solution that concentration is 0.5-1.5mol/L to stir
Reaction obtains the chitosan solution that content is 2-6wt%；Methyl propenoic acid glycidyl is added into the chitosan solution
Ester, glycidyl methacrylate, the weight ratio of chitosan are 1:5-20, are stirred to react 2-4h after being warming up to 80-100 DEG C,
Add MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, the weight of MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, chitosan
Than for 1:1-4, being added initiator after being warming up to 60-70 DEG C under nitrogen protection, initiator, chitosan weight ratio be 1:600-
Ethyl alcohol is added in 1000, insulation reaction 4-6h after being cooled to room temperature, filter, wash, vacuum drying, obtain the chitosan sun from
Sonization modifying agent.
3. the high-efficiency activated dyeing method of cotton fabric according to claim 2, which is characterized in that the initiator is attached most importance to
Potassium peroxydisulfate and sodium hydrogensulfite than 2-4:1 is measured to compound and to be formed.
4. the high-efficiency activated dyeing method of cotton fabric according to claim 1-3, which is characterized in that S1
In, the polybasic carboxylic acid is butane tetracarboxylic acid or citric acid.
5. the high-efficiency activated dyeing method of any one of -4 cotton fabrics according to claim 1, which is characterized in that in S2,
The concentration of reactive dye is 1-5% (owf) in the reactive dye dye liquor.
6. the high-efficiency activated dyeing method of cotton fabric according to claim 5, which is characterized in that the reactive dye are
Vinyl-sulfone reactive dyes or ethene improved sulfone type reactive dye.
7. the high-efficiency activated dyeing method of any one of -6 cotton fabrics according to claim 1, which is characterized in that in S2,
Washing temperature is 40-60 DEG C, time 3-10min.
8. the high-efficiency activated dyeing method of any one of -7 cotton fabrics according to claim 1, which is characterized in that in S2,
It soaps and is soaped using the soaping agent of 1-3g/L, the soaping agent is the neopelex of weight ratio 1:0.4-0.8
It compounds to be formed with NP-100, temperature of soaping is 80-90 DEG C, and the time of soaping is 5-25min.
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| CN109776440A (en) * | 2019-03-06 | 2019-05-21 | 上海工程技术大学 | A kind of blue active dye and its method that cotton fiber is contaminated in non-aqueous media |
| CN110761086A (en) * | 2019-09-30 | 2020-02-07 | 苏州联胜化学有限公司 | Cross-linking type color change stabilizer and preparation and use methods thereof |
| CN112144302A (en) * | 2020-09-09 | 2020-12-29 | 浙江智兴集团有限公司 | Reactive dye dyeing process with high rubbing color fastness |
| CN112626887A (en) * | 2020-12-22 | 2021-04-09 | 江苏翔鹰纺织科技有限公司 | Low-salt dyeing method of reactive dye |
| CN113718524A (en) * | 2021-09-14 | 2021-11-30 | 杭州新天孚纺织科技有限公司 | Dyeing method of reactive dye |
| CN114016311A (en) * | 2021-12-07 | 2022-02-08 | 绍兴泽平印染有限公司 | Dyeing process of cotton knitted fabric |
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| CN109776440A (en) * | 2019-03-06 | 2019-05-21 | 上海工程技术大学 | A kind of blue active dye and its method that cotton fiber is contaminated in non-aqueous media |
| CN110761086A (en) * | 2019-09-30 | 2020-02-07 | 苏州联胜化学有限公司 | Cross-linking type color change stabilizer and preparation and use methods thereof |
| CN110761086B (en) * | 2019-09-30 | 2022-02-11 | 苏州联胜化学有限公司 | Cross-linking type color change stabilizer and preparation and use methods thereof |
| CN112144302A (en) * | 2020-09-09 | 2020-12-29 | 浙江智兴集团有限公司 | Reactive dye dyeing process with high rubbing color fastness |
| CN112626887A (en) * | 2020-12-22 | 2021-04-09 | 江苏翔鹰纺织科技有限公司 | Low-salt dyeing method of reactive dye |
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| CN114016311B (en) * | 2021-12-07 | 2024-03-22 | 绍兴泽平印染有限公司 | Dyeing process of cotton knitted fabric |
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| CN115162033A (en) * | 2022-05-13 | 2022-10-11 | 东华大学 | Low-resource-consumption salt-free low-alkali dyeing method for reactive dye |
| CN115305717A (en) * | 2022-08-04 | 2022-11-08 | 百事基材料（青岛）股份有限公司 | Preparation method of chitosan modified cotton macrobiotic fiber |
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Application publication date: 20190122 |