CN105239351A - Coffee reactive dye composition and dyeing process - Google Patents
Coffee reactive dye composition and dyeing process Download PDFInfo
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- CN105239351A CN105239351A CN201510754282.9A CN201510754282A CN105239351A CN 105239351 A CN105239351 A CN 105239351A CN 201510754282 A CN201510754282 A CN 201510754282A CN 105239351 A CN105239351 A CN 105239351A
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Abstract
The invention relates to a coffee reactive dye composition and a dyeing process. The dyeing process is characterized by comprising the following steps: 1, feeding cloth in a dye vat, adding caustic soda, a deoil agent and a refining agent, when the temperature is raised to 70-75 DEG C, adding a hydrogen peroxide solution, heating the mixture to 98-100 DEG C, and conducting cotton bleaching for 10-12 minutes; 2, washing the mixture with clear water, heating the mixture to 60-65 DEG C, adding anhydrous sodium sulphate into the dye vat, subsequently, raising the temperature to 65-66 DEG C, slowly adding dye which is stirred uniformly, and completing dye adding within 10-15 minutes; subsequently, adding sodium carbonate, and preserving the temperature for 10-15 minutes, wherein the dye comprises reactive red LC-DB, reactive orange LC-4RN and black B133, the using amount of the reactive red LC-DB is 0.75% o.w.f +/- 0.5 mg, the using amount of the reactive orange LC-4RN is 1.5% o.w.f +/- 0.5 mg, and the using amount of the black B133 is 1.55% o.w.f +/- 0.5 mg; 3, conducting fixation, after fixation is ended, conducting washing with clear water, conducting pickling, conducing washing with clear water, conducting soaping, conducting washing with clear water, and taking the cloth out of the vat after pickling is completed. By means of the coffee reactive dye composition and the dyeing process, consumption of dye for fabric in dark color is reduced, generation of colored tone is avoided, the utilization rate of the dye is raised, and sewage drainage is reduced.
Description
Technical field
The present invention relates to a kind of coffee-like reactive dye compound and dyeing, belong to reactive dyes dyeing method technical field.
Background technology
REACTIVE DYES is a large class most important and main in dye industry, first REACTIVE DYES is adsorbed on fiber surface in dye process, then spread to fibrous inside, because the key of set stage dyestuff and fiber destroys the adsorption equilibrium reached, and alkaline agent is also accelerant, dyestuff is adsorbed further, impels dyestuff to be combined with fiber more.
Because REACTIVE DYES affinity is general lower, generally by a large amount of glauber salt or the short dye of salt, for preventing dyestuff to be hydrolyzed, upper dye is generally carried out in neutral conditions.
The set of REACTIVE DYES refers to the reaction of REACTIVE DYES and cotton fiber in the basic conditions, cellulose can form cellulose anion, can and REACTIVE DYES generation nucleophilic displacement of fluorine, addition reaction, and then form dyestuff-fiber covalent bond, dichloro s-triazine type is more active, only need can react at a lower temperature, a chloro-s-triazine type then could need react under, the stronger condition of alkalescence higher in temperature.Affect a lot of because have of this reaction.The reaction of dyestuff and fiber and water is parallel reaction, because water is also nucleopilic reagent, reaction condition mechanism is identical.Namely dyestuff loses the respond with fiber once hydrolysis, and degree of fixation greatly reduces.Obtain from kinetics research, faster than hydrolysis about 40 times of fixation reaction, during dyeing, pH is generally 10 ~ 11 and is advisable, the sodium bicarbonate that X-type alkali is more weak; To K type, then adopt Na
2cO
3, Na
3pO
4, even NaOH.Dyeing temperature is specifically determined according to different dyes performance.Short dye glauber salt, adds GPRS more than one two early, the principle in batches added.Bath raio is less as far as possible, to improve degree of fixation.The existence of hydrolised dye, has certain affinity to fiber, but large not, and it can stained with on fiber, can not completely boil during soap boiling, sometimes also can pollute other fiber, and particularly KN type dye alkali fastness is not high, easily pollutes phenomenon.The existence of hydrolised dye is also the major reason that wet fastness of rubbing is lower.
In prior art, deep-colour fabric dye dosage is general larger, and there is the phenomenon of look flower; In addition, Dyeing with Reactive Dyes can produce a large amount of dyeing waste discharges.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of coffee-like reactive dye compound and dyeing are provided, reduce the consumption of deep-colour fabric dyestuff, avoid the generation of look flower, add the utilization rate of dyestuff, reduce entering of sewage.
According to technical scheme provided by the invention, described coffee-like reactive dye compound, it is characterized in that, comprise following component: active red LC-DB, reactive orange LC-4RN and black B133, the mass ratio of active red LC-DB, reactive orange LC-4RN and black B133 is 0.75:1.5:1.55.
Described dyeing, is characterized in that, comprises the following steps:
(1) in dye vat, enter cloth, add 2.5 ~ 3g/L caustic soda, 1 ~ 1.5g/L deoils spirit and 1.5 ~ 2g/L refining agent, adds 5 ~ 6g/L hydrogen peroxide when being heated to 70 ~ 75 DEG C, be heated to cotton 10 ~ 12 minutes of 98 ~ 100 DEG C of drifts;
(2) dye: with clear water washing 2 ~ 3 times after step (1) drift cotton, be heated to 60 ~ 65 DEG C and add 55 ± 1%o.w.f glauber salt in dye vat, be then warming up to 65 ~ 66 DEG C and slowly add the dyestuff stirred, dyestuff added in 10 ~ 15 minutes; Then add 1.1 ~ 1.2%o.w.f soda ash, soda ash added in 10 ~ 12 minutes, was incubated 10 ~ 15 minutes; Described dye bath ratio is 1:7 ~ 10, described dyestuff comprises active red LC-DB, reactive orange LC-4RN and black B133, the consumption of active red LC-DB is 0.75%o.w.f ± 0.5mg, and the consumption of reactive orange LC-4RN is 1.5%o.w.f ± 0.5mg, and the consumption of black B133 is 1.55%o.w.f ± 0.5mg;
(3) fixation: add 20 ± 1%o.w.f soda ash in step (2) backward dye vat, soda ash added in 10 ~ 12 minutes, fixation 40 ~ 45 minutes, fixation pH value is 10 ~ 11;
(4) wash through clear water washing, peracid, clear water after fixation, soap, clear water washing, go out cylinder after peracid.
Further, described cloth is knitting spandex interlock fabric.
Further, described clear water washing washes 2 ~ 3 times at every turn.
Further, described in add liquid of soaping when soaping, temperature of soaping is 85 ~ 90 DEG C, and wash time is 10 ~ 12 minutes.
Coffee-like reactive dye compound of the present invention and dyeing, can solve the problem of dyeing difficulty, and the fastness also making arrangement expect below improves.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Active red LC-DB of the present invention, reactive orange LC-4RN are all purchased from Jiangyin, Jiangsu Di An Chemical Co., Ltd..
Embodiment one: a kind of dyeing, comprises the following steps:
(1) in dye vat, enter cloth, add 2.5g/L caustic soda, 1g/L deoils spirit and 1.5g/L refining agent, adds 5g/L hydrogen peroxide when being heated to 70 DEG C, be heated to cotton 12 minutes of 98 DEG C of drifts; Described cloth can adopt knitting spandex interlock fabric;
(2) dye: after step (1) drift cotton, wash 2 times with clear water, be heated to 60 DEG C and add 54%o.w.f glauber salt in dye vat, be then warming up to 65 DEG C and slowly add the dyestuff stirred, dyestuff added in 15 minutes; Then add 1.1%o.w.f soda ash, soda ash added in 12 minutes, was incubated 15 minutes; Described dye bath ratio is 1:7, and described dyestuff comprises active red LC-DB, reactive orange LC-4RN and black B133, and the consumption of active red LC-DB is 0.75%o.w.f, and the consumption of reactive orange LC-4RN is 1.5%o.w.f, and the consumption of black B133 is 1.55%o.w.f;
(3) fixation: add 19%o.w.f soda ash in step (2) backward dye vat, soda ash added in 12 minutes, fixation 45 minutes, fixation pH value is 10;
(4) fixation through clear water wash 2 times, peracid, clear water wash 2 times,
(5) soap: add liquid of soaping, temperature of soaping is 85 DEG C, and wash time is 12 minutes;
(6) clear water wash 2 times, go out cylinder after peracid.
Fabric COLOR FASTNESS after arrangement detects as follows: dry fastness is 4 grades, and fastness to wet rubbing is 4 grades, and soaping fastness is 4 grades, and staining fastness is 4 grades.
Embodiment two: a kind of dyeing, comprises the following steps:
(1) in dye vat, enter cloth, add 3g/L caustic soda, 1.5g/L deoils spirit and 2g/L refining agent, adds 6g/L hydrogen peroxide when being heated to 75 DEG C, be heated to cotton 10 minutes of 100 DEG C of drifts; Described cloth can adopt knitting spandex interlock fabric;
(2) dye: after step (1) drift cotton, wash 3 times with clear water, be heated to 65 DEG C and add 56%o.w.f glauber salt in dye vat, be then warming up to 66 DEG C and slowly add the dyestuff stirred, dyestuff added in 10 minutes; Then add 1.2%o.w.f soda ash, soda ash added in 10 minutes, was incubated 10 minutes; Described dye bath ratio is 1:10, and described dyestuff comprises active red LC-DB, reactive orange LC-4RN and black B133, and the consumption of active red LC-DB is 0.75%o.w.f, and the consumption of reactive orange LC-4RN is 1.5%o.w.f, and the consumption of black B133 is 1.55%o.w.f;
(3) fixation: add 21%o.w.f soda ash in step (2) backward dye vat, soda ash added in 10 minutes, fixation 40 minutes, fixation pH value is 11;
(4) fixation through clear water wash 3 times, peracid, clear water wash 3 times,
(5) soap: add liquid of soaping, temperature of soaping is 90 DEG C, and wash time is 10 minutes;
(6) clear water wash 3 times, go out cylinder after peracid.
Fabric COLOR FASTNESS after arrangement detects as follows: dry fastness is 4 grades, and fastness to wet rubbing is 4 grades, and soaping fastness is 4 grades, and staining fastness is 4 grades.
Embodiment three: a kind of dyeing, comprises the following steps:
(1) in dye vat, enter cloth, add 2.6g/L caustic soda, 1.2g/L deoils spirit and 1.8g/L refining agent, adds 5.5g/L hydrogen peroxide when being heated to 72 DEG C, be heated to cotton 11 minutes of 99 DEG C of drifts; Described cloth can adopt knitting spandex interlock fabric;
(2) dye: after step (1) drift cotton, wash 2 times with clear water, be heated to 64 DEG C and add 55%o.w.f glauber salt in dye vat, be then warming up to 65 DEG C and slowly add the dyestuff stirred, dyestuff added in 12 minutes; Then add 1.1%o.w.f soda ash, soda ash added in 11 minutes, was incubated 12 minutes; Described dye bath ratio is 1:8, and described dyestuff comprises active red LC-DB, reactive orange LC-4RN and black B133, and the consumption of active red LC-DB is 0.75%o.w.f, and the consumption of reactive orange LC-4RN is 1.5%o.w.f, and the consumption of black B133 is 1.55%o.w.f;
(3) fixation: add 20%o.w.f soda ash in step (2) backward dye vat, soda ash added in 11 minutes, fixation 42 clock, fixation pH value is 10;
(4) fixation through clear water wash 2 times, peracid, clear water wash 2 times,
(5) soap: add liquid of soaping, temperature of soaping is 86 DEG C, and wash time is 11 minutes;
(6) clear water wash 2 times, go out cylinder after peracid.
Fabric COLOR FASTNESS after arrangement detects as follows: dry fastness is 4 grades, and fastness to wet rubbing is 4 grades, and soaping fastness is 4 grades, and staining fastness is 4 grades.
Claims (5)
1. a coffee-like reactive dye compound, is characterized in that, comprises following component: active red LC-DB, reactive orange LC-4RN and black B133, and the mass ratio of active red LC-DB, reactive orange LC-4RN and black B133 is 0.75:1.5:1.55.
2. a dyeing, is characterized in that, comprises the following steps:
(1) in dye vat, enter cloth, add 2.5 ~ 3g/L caustic soda, 1 ~ 1.5g/L deoils spirit and 1.5 ~ 2g/L refining agent, adds 5 ~ 6g/L hydrogen peroxide when being heated to 70 ~ 75 DEG C, be heated to cotton 10 ~ 12 minutes of 98 ~ 100 DEG C of drifts;
(2) dye: with clear water washing 2 ~ 3 times after step (1) drift cotton, be heated to 60 ~ 65 DEG C and add 55 ± 1%o.w.f glauber salt in dye vat, be then warming up to 65 ~ 66 DEG C and slowly add the dyestuff stirred, dyestuff added in 10 ~ 15 minutes; Then add 1.1 ~ 1.2%o.w.f soda ash, soda ash added in 10 ~ 12 minutes, was incubated 10 ~ 15 minutes; Described dye bath ratio is 1:7 ~ 10, described dyestuff comprises active red LC-DB, reactive orange LC-4RN and black B133, the consumption of active red LC-DB is 0.75%o.w.f ± 0.5mg, and the consumption of reactive orange LC-4RN is 1.5%o.w.f ± 0.5mg, and the consumption of black B133 is 1.55%o.w.f ± 0.5mg;
(3) fixation: add 20 ± 1%o.w.f soda ash in step (2) backward dye vat, soda ash added in 10 ~ 12 minutes, fixation 40 ~ 45 minutes, fixation pH value is 10 ~ 11;
(4) wash through clear water washing, peracid, clear water after fixation, soap, clear water washing, go out cylinder after peracid.
3. dyeing as claimed in claim 2, is characterized in that: described cloth is knitting spandex interlock fabric.
4. dyeing as claimed in claim 2, is characterized in that: described clear water washing washes 2 ~ 3 times at every turn.
5. dyeing as claimed in claim 2, is characterized in that: described in add liquid of soaping when soaping, temperature of soaping is 85 ~ 90 DEG C, and wash time is 10 ~ 12 minutes.
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| CN201510754282.9A CN105239351A (en) | 2015-11-09 | 2015-11-09 | Coffee reactive dye composition and dyeing process |
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| CN201510754282.9A CN105239351A (en) | 2015-11-09 | 2015-11-09 | Coffee reactive dye composition and dyeing process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807347A (en) * | 2022-12-02 | 2023-03-17 | 福建省新宏港纺织科技有限公司 | Reactive turquoise blue dyeing process |
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| CN101555360A (en) * | 2009-05-06 | 2009-10-14 | 上海科华染料工业有限公司 | Active tricolor dye composition |
| CN102304299A (en) * | 2011-09-07 | 2012-01-04 | 上海雅运纺织化工股份有限公司 | Tricolor reactive dye composition and application thereof in dyeing fibers |
| CN104911929A (en) * | 2015-06-26 | 2015-09-16 | 浙江俏尔婷婷服饰有限公司 | Cotton or viscose/chinlon/spandex seamless underwear one-bath-process dyeing technology |
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2015
- 2015-11-09 CN CN201510754282.9A patent/CN105239351A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555360A (en) * | 2009-05-06 | 2009-10-14 | 上海科华染料工业有限公司 | Active tricolor dye composition |
| CN102304299A (en) * | 2011-09-07 | 2012-01-04 | 上海雅运纺织化工股份有限公司 | Tricolor reactive dye composition and application thereof in dyeing fibers |
| CN104911929A (en) * | 2015-06-26 | 2015-09-16 | 浙江俏尔婷婷服饰有限公司 | Cotton or viscose/chinlon/spandex seamless underwear one-bath-process dyeing technology |
Non-Patent Citations (2)
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| 崔浩然: ""活性染料浸染的配伍技术（下）"", 《染整技术》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807347A (en) * | 2022-12-02 | 2023-03-17 | 福建省新宏港纺织科技有限公司 | Reactive turquoise blue dyeing process |
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Application publication date: 20160113 |