CN104532499A - Padding, wet steaming and dyeing method of reactive dye - Google Patents
Padding, wet steaming and dyeing method of reactive dye Download PDFInfo
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- CN104532499A CN104532499A CN201510037910.1A CN201510037910A CN104532499A CN 104532499 A CN104532499 A CN 104532499A CN 201510037910 A CN201510037910 A CN 201510037910A CN 104532499 A CN104532499 A CN 104532499A
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Abstract
The invention relates to a padding, wet steaming and dyeing method of a reactive dye, belongs to the technical field of dyeing of textiles, and aims at solving the problems of a traditional padding, wet steaming and dyeing method of the reactive dye, in which cloth is directly steamed after being padded in a dyeing solution, the cloth with high water content is slowly heated, the steaming and fixation time is prolonged, and the reactive dye is highly hydrolyzed. The padding, wet steaming and dyeing method of the reactive dye is characterized in that the cloth is dehumidified in vacuum after being padded in the dyeing solution so as to enable the content of water of the cloth to be quickly lowered down to reach a certain level, then the cloth is steamed and fixed through saturation steam under normal pressure, and finally the cloth is washed with the water to finish the dyeing process. According to the method, the reactive dye is subjected to padding, wet steaming and dyeing, so that the problem that the steaming and fixation conditions fluctuate greatly due to high-water-content cloth in a steaming box can be avoided; the cloth heating rate is increased, the fixation time is reduced, the hydrolyzing of the dye on the cloth in a damp and hot and alkaline environment can be reduced, and therefore, the fixation rate of the reactive dye can be increased.
Description
Technical field
The present invention relates to a kind of REACTIVE DYES and pad wet steaming colouring method, belong to technical field of textile printing.
Background technology
REACTIVE DYES is the widely used dye of cotton fabric dyeing process, and it has the advantages such as complete, bright in colour, the wet fastness of chromatogram is excellent; But REACTIVE DYES is occurring covalently bound simultaneously also along with the hydrolysis of dyestuff with cotton fiber, causing that its degree of fixation is lower, dye utilization rate is not high.
Pad dyeing is one of important staining method of REACTIVE DYES, and knot dyeing technology common at present mainly contains three classes: cold pad--batch, roll and cure and roll steaming; Wherein roll steaming be divided into again roll-dry-to steam, roll-dry-roll-steam two kinds of techniques.The dyeing course of pretreatment generally all through one baking operation, will enter the heating rate after steam box to improve fabric, shortens the vapour steaming colour fixing time, reduces dyestuff hydrolysis, obtain higher degree of fixation and COLOR FASTNESS; But carry out intermediate baking and can bring many problems: consume a large amount of heat energy during wet fabric drying, and easily dye migration occurs; During dry fabric decatize, moisture absorption is released condensation latent heat and be there will be superheating phenomenon again, all has adverse effect to the upper dye of dyestuff and fixation.Therefore, the REACTIVE DYES saving baking operation is padded-is wet and steams the great interest that dyeing causes dyer author.But the wet direct decatize of fabric, due to moisture evaporation endothermic, fabric heats up relatively slow, will extend the vapour steaming colour fixing time, and during the wet fabric vapour steaming colour fixing of particularly high pick-up, seriously, the COLOR FASTNESS of degree of fixation and DYED FABRICS all obviously reduces hydrolysis of reactive dye.Therefore, if can rationally reduce the moisture content padding dye liquor fabric, making it enter after steam box can rapid temperature increases, then can greatly reduce the hydrolysis of REACTIVE DYES, improve degree of fixation.
The eighties in 20th century, German Hoechst (Hirst) company and Bruckner (Bruckner) machinery plant joint research and development Eco-Steam system (economic steam method); Nineteen ninety-five, German Monforts (Monforts) and Zeneca (Jie Likang) company have developed jointly Econtrol technique (wet and steam decoration method); 1998, German Babcock (Ba Keke) frame company and BASF Corp. of Germany have developed Ba Buke-heating agent (Babco-Therm) dryer, were proposed easily solid-color development (Eco-Flash) new technology.These wet common ground steaming colouring method are wet fabric is all heat in direct thermophore (mist of steam and hot-air or superheated steam) more than 100 DEG C, to reduce moisture content of fabric, to improve fabric temperature, have that colour fixation rete is fast, dyestuff hydrolysis less, degree of fixation is high, dye migration is few, dyeing quality advantages of higher; But these wet steaming colouring methods are harsher to equipment requirement, and equipment investment cost is also higher.
CN200710014982.X discloses a kind of purified cotton cloth reactive dye wet steaming deep color dyeing method, select vinyl-sulfone reactive dyes, by the mixed liquor be made up of bleeding agent CWA, urea, chelating dispersing agent DF101 with containing NaOH, 38 ° of B é sodium metasilicate alkali lye by 8: 2 volume ratio mix obtain dye liquor, cloth through padding, vapour steaming colour fixing, washing, soap boiling, the operation such as washing, complete dyeing course.CN201110420383.4 discloses a kind of technique of wet steaming salt-free dyeing of cellulose fiber fabric, by preferred dyestuff and fixation alkaline agent are controlled feed at the independent material of head tank, proportioning pump, optimize that the means such as steam temperature and time realize REACTIVE DYES pad-wet steaming salt-free dyeing.CN201110108276.8 discloses a kind of towel by fabric active dyestuff continuous knot dyeing wet steaming processing technology, low capacity hopper (75 ~ 80L) is selected to shorten dye liquor swap time, adopt saturated vapor fixation, special dyeing stabilizing agent DSA is added in dye liquor, to reduce the hydrolysis rate of dyestuff, realize towel and to be wet short steaming by fabric active dyestuff continuous knot dyeing.All patents above, the direct decatize of high pick-up fabric of dye well alkaline agent will be padded, there is the advantages such as technological process is short, economize energy, but there is the drawbacks such as epidemic disaster fluctuation in steam box is large, fabric heats up slowly, the vapour steaming colour fixing time is long, hydrolysis of reactive dye is serious.
CN201310226672.X discloses a kind of method improving textiles pad dyeing degree of fixation, by a high proportion of alcohol organic solvent and a small amount of water and dyestuff or fixation alkaline agent are mixed and made into dye liquor or fixation liquid, successively textiles is padded and fixation, improve the pad dyeing degree of fixation of textiles.CN200910020504.9 discloses the hygrometric state decatize efficient and continuous dyeing process method of a kind of textile fabric, comprise and pad the operation such as dye liquor, roasting steaming fixation, washing, oven dry, the porch installation infrared wire spoke emitter preheating of steaming fixation reaction steam box in roasting is wet fabric, and after fabric intensification, the steam box entered containing heated dry air and a small amount of steam completes laking process.CN201010135345.X discloses a kind of reactive pad dyeing Steaming, the fabric padding REACTIVE DYES and alkaline agent is first sent into a kind of controlled dryer containing damp rate, makes fabric contain damp rate and be down to less than 30%, then is sent into steaming box and carry out vapour steaming colour fixing.This technique does not have particular/special requirement to dye material and equipment, and when going out dryer, body temperature is higher, after entering steam box, and fabric quick heating; Meanwhile, because moisture content of fabric is low, dyestuff hydrolysis is few, and degree of fixation is high; But using dryer to reduce fabric containing in the process of damp rate, the temperature of wet fabric is higher, still may cause the hydrolysis of REACTIVE DYES, and easily occurs drying irregular phenomenon.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of REACTIVE DYES to pad wet steaming colouring method, the method can reduce the hydrolysis of wet fabric when vapour steaming colour fixing of padding dye liquor, improves the degree of fixation of REACTIVE DYES.
The present invention solve REACTIVE DYES pad dye liquor after the technical scheme of the wet problem that dyestuff solution is serious when steaming fixation be that design a kind of REACTIVE DYES and pad and wetly steam colouring method, it is characterized in that, the concrete operation step of the method is as follows:
(1) pad dye liquor: prepare the dye liquor be made up of REACTIVE DYES and fixation alkaline agent, under room temperature, pad COTTON FABRIC;
(2) vacuum dehumidification: at a lower temperature, is reduced to certain level by vacuum absorbent dehumidifier rapidly by the moisture content of the COTTON FABRIC processed through step (1);
(3) wet steaming fixation: the COTTON FABRIC vapour steaming colour fixing in normal pressure saturated vapor processed through step (2).
The described mode of padding of padding dye liquor step is that two leachings two are rolled, and pick-up controls 70 ~ 80%.
The vacuum of described vacuum dehumidification step is 2 ~ 8KPa, under 20 ~ 35 DEG C of conditions, makes the moisture content of fabric be reduced to 25 ~ 40% rapidly.
The wet steaming fixation of the low-water-content fabric after vacuum dehumidification is carried out in normal pressure saturated vapor, and the fixation time is 1 ~ 10min.
The present invention utilize reduces at the boiling point of negative pressure of vacuum Water Under, be at a lower temperature transpirable principle, reduce by vacuum absorbent dehumidifier and pad dye liquor and to wet the moisture content of fabric, contrast prior art has following remarkable advantage: (1) can make fabric rapid dehumidification at a lower temperature, the problems such as the dye migration that may occur when avoiding hot-air seasoning to reduce moisture content of fabric; (2) avoid high-moisture percentage fabric to enter larger fluctuation that steaming box causes epidemic disaster in steam box, is conducive to the stable and consistent maintaining vapour steaming colour fixing condition, accelerates the heating rate of wet fabric, shortens wetly to steam the fixation time, reduces steam consumption; (3) reduce the hydrolysis of wet fabric when vapour steaming colour fixing of padding REACTIVE DYES, improve the degree of fixation of REACTIVE DYES.In addition, adopt and first reduce moisture content of fabric and carry out the wet colouring method steaming fixation again and overcome the rigors of existing wet short steaming staining technique to dyeing installation and technique.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
The invention provides a kind of REACTIVE DYES and pad wet steaming colouring method (abbreviation method), it is characterized in that, the concrete operation step of the method is as follows:
(1) pad dye liquor: prepare the dye liquor be made up of REACTIVE DYES and fixation alkaline agent, under room temperature, pad COTTON FABRIC;
(2) vacuum dehumidification: at a lower temperature, is reduced to certain level by vacuum absorbent dehumidifier rapidly by the moisture content of the COTTON FABRIC processed through step (1);
(3) wet steaming fixation: the COTTON FABRIC vapour steaming colour fixing in normal pressure saturated vapor processed through step (2).
Embodiment 1 ~ 3
The dyeing of embodiment 1 ~ 3: pad dye liquor (two leachings two are rolled) → vacuum dehumidification → wet steaming fixation.
Prepare dye liquor according to the dye material consumption described in table 1, and corresponding vacuum dehumidification and wet steaming fixation are carried out to the COTTON FABRIC of padding dye liquor.
The dye liquor composition of table 1 embodiment 1 ~ 3 and dyeing condition
By conventionally for employing rolling-dry-steam technique and roll-steam technique and carry out the experiment of cotton fabric by utilizing reactive dye dyeing as a control group, dye liquor prescription respectively with embodiment 1,2,3 identical, dyeing is:
Roll-dry-steam technique: pad dye liquor (two leachings two are rolled) → preliminary drying (80 DEG C, 3min) → normal pressure saturated vapor vapour steaming colour fixing (100 ± 1 DEG C, 2min)
Roll-steam technique: pad dye liquor (two leachings two are rolled) → normal pressure saturated vapor vapour steaming colour fixing (100 ± 1 DEG C, 2min)
The vapour steaming colour fixing fabric of embodiment 1 ~ 3 and control group is carried out [cold wash → hot water wash (50 ~ 60 DEG C respectively, 3min) → soap (neutral soap flakes 3g/L, boil and boil 15min; bath raio 1: 50) → hot water wash (70 ~ 80 DEG C, 3min) → cold wash → dry or less than 40 DEG C oven dry] process.
Test K/S value and the degree of fixation of final dyed cotton fabric.
The experimental result that dyeing is rolled-dry-steamed, roll-steam to the embodiment of the present invention and routine is as shown in table 2.
The K/S value of table 2 embodiment 1 ~ 3 and control group DYED FABRICS and degree of fixation
Note: the moisture content (taking dry fabric as benchmark) after residue moisture content refers to pad dyeing cloth vacuum dehumidification; K/S value is tested: Datacolor SF600 spectrophotometric color measurement instrument, D65 light source, 10 ° of standard field of view, and dyeing sample is converted into 8 layers (to guarantee that fabric is light tight), reads the K/S value of maximum absorption wave strong point; Degree of fixation is tested: with reference to " mensuration of GB/T 27592-2011 reactive dye pad dyeing degree of fixation ".
From embodiment 1 ~ 3 and the K/S value of control group DYED FABRICS and the comparing result of degree of fixation, carry out REACTIVE DYES through the inventive method and pad K/S value that wet K/S value of steaming dyeing sample rolls with tradition with degree of fixation-dry-steam technique and roll-steam dyeing sample and to compare with degree of fixation and be all significantly improved.
The present invention does not address part and is applicable to prior art.
Claims (4)
1. REACTIVE DYES pads a wet steaming colouring method, and it is characterized in that, the concrete operation step of the method is as follows:
(1) pad dye liquor: prepare the dye liquor be made up of REACTIVE DYES and fixation alkaline agent, under room temperature, pad COTTON FABRIC;
(2) vacuum dehumidification: at a lower temperature, is reduced to certain level by vacuum absorbent dehumidifier rapidly by the moisture content of the COTTON FABRIC processed through step (1);
(3) wet steaming fixation: the COTTON FABRIC vapour steaming colour fixing in normal pressure saturated vapor processed through step (2).
2. a kind of REACTIVE DYES according to claim 1 is padded and wet is steamed colouring method, it is characterized in that: described in pad dye liquor step the mode of padding be that two leachings two are rolled, pick-up controls 70 ~ 80%.
3. a kind of REACTIVE DYES according to claim 1 pads wet steaming colouring method, it is characterized in that: the vacuum of described vacuum dehumidification step is 2 ~ 8KPa, under 20 ~ 35 DEG C of conditions, makes the moisture content of fabric be reduced to 25 ~ 40% rapidly.
4. a kind of REACTIVE DYES according to claim 1 pads wet steaming colouring method, and it is characterized in that, the wet steaming fixation of the low-water-content fabric after vacuum dehumidification is carried out in normal pressure saturated vapor, and the fixation time is 1 ~ 10min.
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| CN201510037910.1A CN104532499A (en) | 2015-01-23 | 2015-01-23 | Padding, wet steaming and dyeing method of reactive dye |
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| CN201510037910.1A CN104532499A (en) | 2015-01-23 | 2015-01-23 | Padding, wet steaming and dyeing method of reactive dye |
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Cited By (8)
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| CN106757924A (en) * | 2017-01-22 | 2017-05-31 | 杨立新 | The cold rolling steam continuous dyeing equipment of denim yarn reactive dye |
| CN107780260A (en) * | 2017-11-13 | 2018-03-09 | 华纺股份有限公司 | The method that textile dyeing is realized using high polymer material |
| CN108978082A (en) * | 2018-10-22 | 2018-12-11 | 绍兴文理学院 | A kind of decatizing apparatus in reactive pad dyeing process convenient for scale removal |
| CN109706754A (en) * | 2018-12-30 | 2019-05-03 | 山东黄河三角洲纺织科技研究院有限公司 | A kind of reactive dye salt-free dyeing method of fabric |
| 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 |
| CN112853775A (en) * | 2021-03-12 | 2021-05-28 | 常州旭荣针织印染有限公司 | Efficient dyeing method for cotton knitted fabric |
| CN113073481A (en) * | 2021-03-26 | 2021-07-06 | 常州旭荣针织印染有限公司 | Method for improving color fixing rate of CI reactive blue 19 in cotton knitted fabric |
| CN116254660A (en) * | 2022-12-15 | 2023-06-13 | 河北天茂印染有限责任公司 | Dyeing process and using equipment for textile fabric |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106757924A (en) * | 2017-01-22 | 2017-05-31 | 杨立新 | The cold rolling steam continuous dyeing equipment of denim yarn reactive dye |
| CN107780260A (en) * | 2017-11-13 | 2018-03-09 | 华纺股份有限公司 | The method that textile dyeing is realized using high polymer material |
| CN107780260B (en) * | 2017-11-13 | 2020-04-24 | 华纺股份有限公司 | Method for realizing fabric dyeing by using high polymer material |
| CN108978082A (en) * | 2018-10-22 | 2018-12-11 | 绍兴文理学院 | A kind of decatizing apparatus in reactive pad dyeing process convenient for scale removal |
| CN108978082B (en) * | 2018-10-22 | 2021-07-02 | 绍兴文理学院 | Steaming equipment in reactive dye pad dyeing process convenient to scale removal |
| CN109706754A (en) * | 2018-12-30 | 2019-05-03 | 山东黄河三角洲纺织科技研究院有限公司 | A kind of reactive dye salt-free dyeing method of fabric |
| 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 |
| CN112853775A (en) * | 2021-03-12 | 2021-05-28 | 常州旭荣针织印染有限公司 | Efficient dyeing method for cotton knitted fabric |
| CN113073481A (en) * | 2021-03-26 | 2021-07-06 | 常州旭荣针织印染有限公司 | Method for improving color fixing rate of CI reactive blue 19 in cotton knitted fabric |
| CN116254660A (en) * | 2022-12-15 | 2023-06-13 | 河北天茂印染有限责任公司 | Dyeing process and using equipment for textile fabric |
| CN116254660B (en) * | 2022-12-15 | 2023-08-25 | 河北天茂印染有限责任公司 | Dyeing process and using equipment for textile fabric |
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