CN110004742A - A kind of salt-free dyeing method of cation-modified cotton fabric - Google Patents
A kind of salt-free dyeing method of cation-modified cotton fabric Download PDFInfo
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- CN110004742A CN110004742A CN201910275444.9A CN201910275444A CN110004742A CN 110004742 A CN110004742 A CN 110004742A CN 201910275444 A CN201910275444 A CN 201910275444A CN 110004742 A CN110004742 A CN 110004742A
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- color fixing
- fixing agent
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- salt
- 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
- D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
-
- 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
-
- 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
- D06P1/39—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 acid dyes
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
- D06P5/06—After-treatment with organic compounds containing nitrogen
Abstract
The present invention relates to a kind of salt-free dyeing methods of cation-modified cotton fabric.This method comprises: cellulose base fiber fabric is impregnated modification liquid, bake, wash, drying, modified cellulose base fiber fabric enters dye, and polyamines class color fixing agent, fixation is added, and washing is soaped, and washes, drying.This method makes that cation-modified fabric good level-dyeing property, coloured light in reactive dye salt-free dyeing course is dimmed, color fastness especially fastness to wet rubbing is high.
Description
Technical field
The invention belongs to fabric pre-treatment and colouring art, in particular to a kind of salt-free dyeing of cation-modified cotton fabric
Method.
Background technique
Cellulose fiber composition has good wearability, can satisfy the psychology that people advocate nature, back to nature,
It is welcomed by consumers.Cotton fiber has many advantages, such as good gas permeability, water imbibition and soft, comfortable and easy to wear.According to
Fiber Organon survey data shows that global year reaches 24,000,000 tons or so with weaving production of cotton fibers in recent years, accounts for weaving and uses
The 25~26% of fiber total output are up to 94~95% to the ratio of natural fiber yield.It is dyed currently used for cotton Products
Dyestuff mainly have direct, active, reduction, vulcanization and azoic dyes insoluble azo dyes etc..Wherein reactive dyestuff molecule structure is simple, tool
Have the advantages that bright in colour, chromatography is complete.According to statistics, year reactive dye annual output is 27~280,000 tons in recent years, Zhan Mianyong dyestuff
The 64~65% of total output are the main body dyestuffs of cotton fiber textile dyeing.But reactive dye and cellulose fibre occur covalent
Hydrolysis easily occurs while bonding, dye fixing rate is only 40~85%, and chroma in waste water is high.In traditional dyeing process,
To overcome anion and cellulose fiber surface negative electrical charge coulomb repulsion in dye molecule, by a large amount of inorganic salts (NaCl or
Na2SO4, generally 30~150g/L) and with the aggregation of shielding fiber surface negative charge, improve Dye Adsorption performance.A large amount of nothings after dyeing
Machine salt is discharged into waste water, can not pass through simple physical chemistry and biochemical method (the methods of such as ion exchange, UF membrane)
Processing.The discharge of the waste water of high salinity is directly changed the water quality of rivers and lakes river water, destroys ecological environment；And the high osmosis of salinity
The soil property salinization of soil that will lead to rivers and lakes and printing and dyeing mill periphery, reduces the yield of crops.
It, need to be from raising cotton fiber and activity to solve the pollution of salt present in Dyeing with Reactive Dyes and color pollution problem
Affinity between dyestuff is set out.It has also been shown that cotton fiber cation modifying is solve the problems, such as reactive dyeing effective
One of approach.Its mechanism of action is by either physically or chemically anchoring at cationic compound (mainly nitrogenous compound)
On cotton fiber, affinity between dyestuff and fiber is improved, improves the degree of exhaustion of reactive dye and degree of fixation, and in dyeing course
In it is few with even without inorganic salts, to reduce the processing difficulty of dyeing waste-water.
There are many cation modifying agent type for reactive dye salt-free dyeing for seeing report, such as with epoxide
And its epichlorohydrin parent derivative (CHPTAC) is the response type reagent of representative, reactive group can be in specific item in reagent molecule
Etherificate, esterification or ring-opening reaction occurs with cellulose under part makes modified fibre exist so that anchoring on fiber makes its cationization
Few salt or it is salt-free in the case where obtain higher reactive dye utilization rate.But response type reagent stability is poor, utilization efficiency
It is low, it can not recycle or be recycled, and some modification conditions are more harsh (high temperature, highly basic etc.), and it is strong to influence coloured fibre
Degree.Another kind of non-reactive modifying agent is to be adsorbed on fiber that fiber is made temporarily to have electropositive with physical force, as shell is poly-
Sugar derivatives, cationic starch, cationic polymer etc..Its molecular weight is larger, high with fiber affinity and safe and non-toxic, steady
It is qualitative good, there is good potential application performance.But since part of auxiliary molecular weight is difficult to control, cause modified fibre through dyeing
After the problems such as that there are level-dyeing properties is poor, and color fastness reduces, and coloured light is dimmed.Currently, cotton fiber salt-free dyeing not yet really realizes big rule
Mould industrialized production and application.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of salt-free dyeing method of cation-modified cotton fabric, with gram
Cationic modified cotton level-dyeing property present in reactive dye salt-free dyeing course is poor in the prior art, coloured light is dimmed, color is firm for clothes
The defects of degree reduces.
The present invention provides a kind of salt-free dyeing methods of cation-modified cotton fabric, comprising:
(1) cellulose base fiber fabric is impregnated into modification liquid, baked, cold water is washed, and drying, wherein bath raio is 1:5~1:
30, modifying agent is N hydroxymethyl acrylamide NMA, N- dimethyl azetidinium Chloride DMAC, poly- ammonia in modification liquid
One of yl carboxylic acid PACA；
(2) above-mentioned modified cellulose base fiber fabric being entered into dye, polyamines class color fixing agent is added in processing, and fixation is washed,
It soaps, washes, drying, wherein entering dye using acid reactive dye, bath raio is 1:8~1:15.
Cellulose fibre includes cotton or viscose glue in the step (1).
Modification liquid pH value is 3-8 in the step (1)；0.05~20g/L of amount of modifier.
Modification liquid is prepared at room temperature in the step (1).
Dipping temperature is 25~65 DEG C in the step (1), and dip time is 25~60min.
Baking temperature is 90~160 DEG C in the step (1), and baking the time is 2~5min.
Polyamines class color fixing agent is color fixing agent G701, one kind in color fixing agent WS, color fixing agent DK etc. in the step (2).
Acid reactive dye in the step (2) are as follows: red RC-3B, red RC-7B, yellow RC-3R, light yellow RC-G, blue RC-R,
Sapphire blue RC-3R, one or more of black RC-M.
Acid reactive dye concentration is 0.5~4.5%OWF in the step (2).
Entering to contaminate temperature in the step (2) is room temperature.
Step (2) processing are as follows: be warming up to 90~100 DEG C with 0.5~1 DEG C/min speed, keep the temperature 30~60min.
It is to be cooled to 65~70 that polyamines class color fixing agent (Zhejiang Ke Feng organosilicon Co., Ltd) is added in the step (2)
It is carried out at DEG C；Polyamines class color fixing agent dosage is 1~5%OWF.
Color fixing temperature is 65~70 DEG C in the step (2), and the fixation time is 15~40min.
It soaps in the step (2) technological parameter are as follows: 1~3g/L of soap flakes, 95~100 DEG C of temperature, 10~20min of time,
Bath raio 1:10~1:20.
The present invention is compared with pervious patent after advantage outstanding is cellulose CSP to be contaminated with acid reactive dye
Color, dyeing course do not have to promote dye with salt, do not have to alkali fixation, and level-dyeing property, fastness to wet rubbing are fine.In addition, commonly used in sour garment dye
Expect same dose of the dyed fabric fixation aromatic sulphonic acid class condensation product for being generally high molecular weight, general color fixing temperature is 70~80
DEG C, temperature is excessively high, and this kind of color fixing agent can enter fibrous inside, loses coating function, causes sulfonic group negative electrical charge to intrastitial
The decline of acid dyes repulsion, causes fastness to decline；Fixation time more difficult control, the time, too short colour fixation was bad, the fixation time
Too long, color fixing agent can also enter fibrous inside, and fastness is bad；It is easily precipitated, precipitates under strongly acidic conditions, generate color spot.
The present invention uses polyamines class color fixing agent, has pH value, thermal adaptability good, the good feature of colour fixation, while being free of formaldehyde, nothing
APEO。
Beneficial effect
The modified and acid reactive dye salt-free staining technique of cellulose fiber cation of the invention, makes cation-modified knit
Object good level-dyeing property, coloured light in reactive dye salt-free dyeing course is not dimmed, color fastness is high.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
It prepares the specific steps of modification liquid: the water of modifying agent, stirring plus surplus is first dissolved with a small amount of water, with HAC tune
Save pH value.Modifying agent is mainly provided by companies such as DOW Chemical, the Zhejiang development of evil in febrile disease, Zhejiang Ke Feng organosilicons.
Embodiment 1
Under room temperature prepare modification liquid (N hydroxymethyl acrylamide (NMA) 10g/L, pH value 8, bath raio 1:8) →
45 DEG C of cotton fabric, 45min → 120 DEG C are impregnated, 2min → cold water is baked and washes, dried.
Modified cotton fabric room temperature enters dye (acid active red RC-3B 2% (OWF), bath raio 1:10) → with 1 DEG C/min speed
95 DEG C are warming up to, heat preservation 45min → be cooled to 70 DEG C is added color fixing agent G701 2% (OWF), fixation 30min → washing → soap
Wash (soap flakes 2g/L, 95 DEG C, 10min, bath raio 1:10) → washing → drying.Measure Apparent Depth K/S value, irregularity S and dyeing
Fastness, the result is shown in tables 1.
Table 1
Embodiment 2
Modification liquid (N- dimethyl azetidinium Chloride (DMAC) 15g/L, pH value 5, bath are prepared under room temperature
Than 1:10) 50 DEG C of → viscose fabric, 30min → 130 DEG C are impregnated, 2min → cold water is baked and washes, are dried.
Viscose fabric room temperature enter dye (acid reactive dye Huang RC-3R 2% (OWF), bath raio 1:15) → with 1 DEG C/min speed
Degree is warming up to 95 DEG C, and heat preservation 60min → be cooled to 65 DEG C is added color fixing agent WS 2% (OWF), fixation 30min → washing → soap
Wash (soap flakes 2g/L, 95 DEG C, 15min, bath raio 1:10) → washing → drying.Measure Apparent Depth K/S value, irregularity S and dyeing
Fastness, the result is shown in tables 2.
Table 2
Embodiment 3
Under room temperature prepare modification liquid (N hydroxymethyl acrylamide (NMA) 15g/L, pH value 8, bath raio 1:10) →
50 DEG C of viscose fabric, 40min → 120 DEG C are impregnated, 2.5min → cold water is baked and washes, dried.
Viscose fabric room temperature enters dye (acid reactive dye indigo plant RC-R 2% (OWF), bath raio 1:15) → with 1 DEG C/min speed
95 DEG C are warming up to, heat preservation 40min → be cooled to 70 DEG C is added color fixing agent DK 2% (OWF), and fixation 30min → washing → soaps
(soap flakes 2g/L, 100 DEG C, 10min, bath raio 1:10) → washing → drying.Measure Apparent Depth K/S value, irregularity S and dyeing jail
Degree, the result is shown in tables 3.
Table 3
Embodiment 4
Modification liquid (polyaminocarboxylic acid (PACA) 20g/L, pH value 5, bath raio 1:15) → cotton is prepared under room temperature to knit
60 DEG C of object, 25min → 130 DEG C are impregnated, 2min → cold water is baked and washes, dried.
Cotton fabric room temperature enters dye (acid active black RC-M 3% (OWF), bath raio 1:15) → be warming up to 1 DEG C/min speed
100 DEG C, heat preservation 60min → be cooled to 70 DEG C is added color fixing agent WS 2% (OWF), and fixation 30min → washes → (soap flakes of soaping
3g/L, 100 DEG C, 15min, bath raio 1:10) → washing → drying.Apparent Depth K/S value, irregularity S and dyefastness are measured,
It the results are shown in Table 4.
Table 4
Similar cellulose fibre salt-free dyeing patent CN106192467A- cationic monomer is compared on salt-free dyeing
Using and modified cotton fiber colouring method, CN106638036A- one kind with bath complete cellulose base fiber fabric it is cation-modified
And a kind of salt-free dyeing method of reactive dye of method and CN109252397A- of salt-free dyeing, it is all modified activity dye
Material dyeing, level-dyeing property is bad, index of these patents all without test reflection level-dyeing property；And the invention patent discloses the fibres such as cotton
The modified acid reactive dyeing of cellulose fiber, level-dyeing property S value is preferable, and in addition fastness to wet rubbing improves 0.5~1 grade.
Claims (10)
1. a kind of salt-free dyeing method of cation-modified cotton fabric, comprising:
(1) cellulose base fiber fabric is impregnated into modification liquid, baked, washed, drying, wherein bath raio is 1:5~1:30, modified
Modifying agent is N hydroxymethyl acrylamide NMA, N- dimethyl azetidinium Chloride DMAC, polyaminocarboxylic acid in treatment fluid
One of PACA；
(2) above-mentioned modified cellulose base fiber fabric being entered into dye, polyamines class color fixing agent, fixation is added in processing, and washing is soaped,
Washing, drying, wherein entering dye using acid reactive dye, bath raio is 1:8~1:15.
2. method according to claim 1, which is characterized in that modification liquid pH value is 3-8 in the step (1)；It is modified
0.05~20g/L of agent dosage.
3. method according to claim 1, which is characterized in that dipping temperature is 25~65 DEG C, when dipping in the step (1)
Between be 25~60min.
4. method according to claim 1, which is characterized in that baking temperature is 90~160 DEG C in the step (1), is baked
Time is 2~5min.
5. method according to claim 1, which is characterized in that polyamines class color fixing agent is color fixing agent G701 in the step (2),
It is a kind of in color fixing agent WS, color fixing agent DK.
6. method according to claim 1, which is characterized in that acid reactive dye in the step (2) are as follows: red RC-3B is red
RC-7B, yellow RC-3R, light yellow RC-G, blue RC-R, sapphire blue RC-3R, one or more of black RC-M.
7. method according to claim 1, which is characterized in that in the step (2) acid reactive dye concentration be 0.5~
4.5%OWF.
8. method according to claim 1, which is characterized in that entering to contaminate temperature in the step (2) is room temperature；Processing are as follows: with
0.5~1 DEG C/min speed is warming up to 90~100 DEG C, keeps the temperature 30~60min.
9. method according to claim 1, which is characterized in that it is to cool down that polyamines class color fixing agent is added in the step (2)
It is carried out to 65~70 DEG C；Polyamines class color fixing agent dosage is 1~5%OWF.
10. method according to claim 1, which is characterized in that color fixing temperature is 65~70 DEG C in the step (2), fixation
Time is 15~40min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101372A (en) * | 2019-10-25 | 2020-05-05 | 南通大学 | Preparation method of natural cattail wool anti-mosquito cellulose fiber |
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Application publication date: 20190712 |