CN104153220A - Dyeing technology for one-bath scouring and dyeing of cotton knitted fabric without Lycra by using reactive light yellow - Google Patents
Dyeing technology for one-bath scouring and dyeing of cotton knitted fabric without Lycra by using reactive light yellow Download PDFInfo
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Abstract
The invention discloses a dyeing technology for one-bath scouring and dyeing of cotton knitted fabric without Lycra by using reactive light yellow, and mainly aims at the problems in the traditional process, such as large water and coal consumption, long process duration and high power consumption. The invention comprises a one-bath scouring and dyeing process, a post-treatment process and a finishing process, which are conducted sequentially. The one-bath scouring and dyeing process is as below: diluting a chelating agent, a degreasing spirit, tea saponin, a tea saponin dispersion, a scouring enzyme, a scouring agent and a defoaming agent with water after, adding the mixture into a dye vat, adding a levelling agent, sodium sulfate and soda ash by using a cyclic feeding method, adding the reactive light yellow and urea by using a clear water material dissolution method, heating to 90 DEG C, then cooling to 60 DEG C, adding soda ash into the dye vat in a clear water material dissolution way, and then heating to 80 DEG C. The one-bath scouring and dyeing process provided by the invention achieves the bleaching, dyeing and scouring of cotton knitted fabric without Lycra, and completes the multiple tasks in one process, so as to shorten the process, reduce the process steps, and save the energy consumption and process duration.
Description
Technical field
The present invention relates to a kind of Lycra cotton fabrics that do not contain adopts reactive brilliant yellow to practice the dyeing that dyes a bath.
Background technology
Containing Lycra cotton fabrics because good permeability, good hygroscopicity, texture are soft and it is comfortable to wear, be more and more subject to people's favor.Nattierblue, sky blue, emerald green, bright green and the color such as light green have become teenager purchases the important selection of clothing, and the formation of these colors be unable to do without this dyestuff of reactive brilliant yellow.But reactive brilliant yellow because of structural molecule be not common linear structure but planar structure, solubility is also lower.So in dyeing course, reactive brilliant yellow structural molecule is difficult for to fibrous inside absorption, and then easily forms color spot, simultaneously the alkali resistance of reactive brilliant yellow or reasonable.
Traditional dyeing that does not adopt reactive brilliant yellow to dye containing Lycra cotton fabrics comprises the following steps:
(1) pretreatment procedure
The 1st step, default bath raio 1:8, to not put into dye vat containing Lycra cotton fabrics, dye vat temperature rises to 35 DEG C, dye vat running 1 minute, in dye vat, add the spirit of deoiling, chelating agent, activator, digesting agent, defoamer and scouring enzyme, dye vat running 5 minutes adds hydrogen peroxide with 3 minutes in dye vat, and dye vat is warming up to 95 DEG C with the speed of 2 DEG C/min, be incubated 50 minutes, emit raffinate.
The 2nd step, discharges after raffinate, adds water in bathtub according to former default bath raio, and bathtub is warming up to 90 DEG C, washes 10 minutes, emits raffinate.Washing is in order to remove not containing hydrogen peroxide and scouring enzyme in Lycra cotton fabrics.
The 3rd step, adds water in bathtub according to former default bath raio after discharging raffinate, adds acetic acid, and the pH value in bathtub is adjusted to 4.5～5.5, adds except oxygenase, and temperature is risen to 45 DEG C, turns round 40 minutes.Because the pH value in the dye vat before this step is alkalescence, regulate pH value in bathtub to acid, to be warming up to 45 DEG C, be that more effective like this removal is not containing the remaining hydrogen peroxide in Lycra cotton fabrics in order to improve the activity except oxygenase.
The 4th step, is warming up to 80 DEG C, turns round 10 minutes, and overflow washing 5 minutes, emits raffinate.Being warming up to 80 DEG C is to lose activity except oxygenase in order to make, in order to avoid impact does not contain the Color of Lycra cotton fabrics.
(2) dyeing process
In dye vat, add water according to bath raio, add water 3 minutes used times, add levelling agent, add 5 minutes levelling agent used times, dye vat is warming up to 40 DEG C, turn round 10 minutes, add reactive brilliant yellow, add 20 minutes reactive brilliant yellow used times, turn round 10 minutes, add salt, 15 minutes salt adding used times, turn round 10 minutes, add again salt, 15 minutes salt adding used times again, turn round 10 minutes, be warming up to 90 DEG C with the speed of 1 DEG C/min, be incubated 40 minutes, be cooled to 60 DEG C with the speed of 2 DEG C/min, be incubated 30 minutes, add alkali, add 20 minutes alkali used times, turn round 10 minutes, add again alkali, add again 20 minutes alkali used times, be incubated 40 minutes, put raffinate.
(3) postprocessing working procedures;
(4) finishing process.
To preset bath raio as 1:8,680kg's is not example containing Lycra cotton fabrics, water consumption, needs being calculated as follows of coal amount, used time and power consumption: 680kg grey cloth needs water 5440L, adds altogether water four times, 5440 × 4=21760L in above-mentioned dyeing.Due to the heat of 1 kilocalorie of 1 DEG C of needs of 1L water rising temperature, the lower calorific value of 1kg mark coal is 7000 kilocalories, normal temperature is by 24 DEG C of calculations, so water is risen to 95 DEG C from normal temperature, the heat needing is 5440 × (95 DEG C-24 DEG C)=386240 kilocalories, need to mark coal 386240 ÷ 7000=55.2kg; Water is risen to 90 DEG C from normal temperature, and the mark coal needing is 5440 × (90 DEG C-24 DEG C) ÷ 7000=51.29kg; Water is risen to 80 DEG C from normal temperature, and the mark coal needing is 5440 × (80 DEG C-24 DEG C) ÷ 7000=43.52kg.Heat utilization rate with 85% calculates, and at least needs coal amount for (55.2+51.29+43.52) ÷ 85%=176.48kg.Dyeing at least the used time be 447 minutes, 447 ÷ 60=7.45 hour, equipment is with 50 kilowatts of/hour calculating, at least power consumption is 50 × 7.45=372.5 degree.
Can find out, traditional not containing Lycra cotton fabrics adopt dyeing that reactive brilliant yellow dyes not only water consumption, need coal amount many, and duration technique for, power consumption are large, energy resource consumption too greatly in a word, the technique used time is oversize.
Summary of the invention
For the problems referred to above, the invention provides a kind of Lycra cotton fabrics that do not contain of saving the energy and minimizing technique used time and adopt reactive brilliant yellow to practice the dyeing that dyes a bath.
For achieving the above object, the present invention does not adopt reactive brilliant yellow to practice the dyeing that dyes a bath containing Lycra cotton fabrics to comprise that the white silk of carrying out successively dyes a bath operation, postprocessing working procedures and finishing process, and wherein said white silk dyes a bath operation and specifically comprises the steps:
Step 1, does not put into dye vat containing Lycra cotton fabrics by described, and default bath raio is 1:8, in dye vat, adds clear water, and the amount that adds clear water is according to 5/8 of the amount of the default required clear water of bath raio, adds 3 minutes clear water used times;
Step 2, by chelating agent, the spirit of deoiling, Tea Saponin, Tea Saponin dispersion liquid, scouring enzyme, digesting agent and defoamer dilute with clear water, the amount of clear water used be in described step 1, add clear water amount 1/5, by chelating agent, the spirit of deoiling, Tea Saponin, Tea Saponin dispersion liquid, scouring enzyme, mixed liquor after digesting agent and defoamer dilution joined in dye vat with the time of 3 minutes, the consumption of wherein said chelating agent is 1.25g/l～1.5g/l, the described clever consumption that deoils is 2.25g/l～2.5g/l, the consumption of described Tea Saponin is 6.5g/l～8g/l, the consumption of described Tea Saponin dispersion liquid is 5g/l～6g/l, the consumption of described scouring enzyme is 2.5g/l, the consumption of described digesting agent is 2.75g/l～3g/l, the consumption of described defoamer is 2g/l～2.5g/l, and every liter of basis is preset the described chelating agent that the required clear water of bath raio needs 1.25g～1.5g, the spirit of deoiling described in 2.25g～2.5g, the described Tea Saponin of 6.5g～8g, the described Tea Saponin dispersion liquid of 5g～6g, the scouring enzyme of 2.5g, the described defoamer of the digesting agent of 2.75g～3g and 2g～2.5g,
Step 3, dye vat is warming up to 45 DEG C with the speed of 3 DEG C/min, and dye vat turns round 10 minutes in the situation that keeping temperature to be 45 DEG C;
Step 4, adopt the mode of circulation material feeding in dye vat, to add levelling agent, glauber salt and soda ash with the time of 5 minutes, the consumption of described levelling agent is 1.5g/l～2g/l, the consumption of glauber salt is 60g/l～80g/l, the consumption of described soda ash is 2g/l～3g/l, be described levelling agent, the described glauber salt of 60g～80g and the described soda ash of 2g～3g that the default required clear water of bath raio of every liter of basis needs 1.5g～2g, then dye vat turns round 15 minutes in the situation that keeping temperature to be 45 DEG C;
Step 5, in dye vat, add described reactive brilliant yellow and urea with the time of 20 minutes by the mode of clear water material, material temperature is not less than 80 DEG C, when material the amount of clear water used be in described step 1, add clear water amount 1/5, described reactive brilliant yellow and the described mass ratio that does not contain Lycra cotton fabrics are α, 1.2%≤α≤6%, the consumption of described urea is 3g/l, every liter of basis is preset the described urea that the required clear water of bath raio needs 3g;
Step 6, dye vat is cooled to 40 DEG C with the speed of 2 DEG C/min, then insulation running 15 minutes;
Step 7, dye vat is warming up to 90 DEG C with the speed of 2 DEG C/min, and then dye vat turns round 25 minutes in the situation that keeping temperature to be 90 DEG C;
Step 8, dye vat is cooled to 60 DEG C with the speed of 2 DEG C/min, in dye vat, add soda ash with the time of 20 minutes by the mode of clear water material, when material the amount of clear water used be in described step 1, add clear water amount 1/5, the consumption of described soda ash is 18g/l～22g/l, be the described soda ash that the default required clear water of bath raio of every liter of basis needs 18g～22g, then dye vat turns round 15 minutes in the situation that keeping temperature to be 60 DEG C;
Step 9, dye vat is warming up to 80 DEG C with the speed of 2 DEG C/min, and dye vat turns round 30～50 minutes in the situation that keeping temperature to be 80 DEG C, puts raffinate
The present invention adds Tea Saponin in white silk dyes a bath operation, to not bleaching containing Lycra cotton fabrics, adds active emerald green orchid, dyes to not containing Lycra cotton fabrics.Dye a bath operation at white silk of the present invention and realized the bleaching, dyeing and the kiering function that do not contain Lycra cotton fabrics, complete multiple tasks with a procedure, shortened technological process, reduced processing step, save the water consumption in processing step, power consumption and needed coal amount, also having reduced the technique used time.In addition, in traditional handicraft, adopt hydrogen peroxide to bleach, because hydrogen peroxide is corrosive, can cause certain damage to equipment, and Tea Saponin can not damage to equipment, the service life of extension device.
Detailed description of the invention
Do not adopt reactive brilliant yellow to practice the concrete steps of the dyeing that dyes a bath containing Lycra cotton fabrics as follows:
Step 1, practice and dye a bath operation:
Step 1, does not put into dye vat containing Lycra cotton fabrics by described, and default bath raio is 1:8, in dye vat, adds clear water, and the amount that adds clear water is according to 5/8 of the amount of the default required clear water of bath raio, adds 3 minutes clear water used times;
Step 2, by chelating agent, the spirit of deoiling, Tea Saponin, Tea Saponin dispersion liquid, scouring enzyme, digesting agent and defoamer dilute with clear water, the amount of clear water used be in described step 1, add clear water amount 1/5, by chelating agent, the spirit of deoiling, Tea Saponin, Tea Saponin dispersion liquid, scouring enzyme, mixed liquor after digesting agent and defoamer dilution joined in dye vat with the time of 3 minutes, the consumption of wherein said chelating agent is 1.25g/l～1.5g/l, the described clever consumption that deoils is 2.25g/l～2.5g/l, the consumption of described Tea Saponin is 6.5g/l～8g/l, the consumption of described Tea Saponin dispersion liquid is 5g/l～6g/l, the consumption of described scouring enzyme is 2.5g/l, the consumption of described digesting agent is 2.75g/l～3g/l, the consumption of described defoamer is 2g/l～2.5g/l, and every liter of basis is preset the described chelating agent that the required clear water of bath raio needs 1.25g～1.5g, the spirit of deoiling described in 2.25g～2.5g, the described Tea Saponin of 6.5g～8g, the described Tea Saponin dispersion liquid of 5g～6g, the scouring enzyme of 2.5g, the described defoamer of the digesting agent of 2.75g～3g and 2g～2.5g.
Chelating agent can with not containing metal ion generation chelations such as the calcium in Lycra cotton fabrics and water, magnesium, copper, iron, zinc, form stable water soluble complex, metal ion just can not form water-fast material like this, for example calcium carbonate, the problem that has caused look to spend while having avoided dyeing.Adding the clever object of deoiling is to remove not containing the finish in Lycra cotton fabrics weaving process.The object that adds Tea Saponin is to not containing the fiber impurity in Lycra cotton fabrics containing the bleaching of Lycra cotton fabrics and removal.The bleaching of Tea Saponin dispersion liquid to Tea Saponin and remove impurity function and play the effect of enhancing.The effect of digesting agent assists Tea Saponin to strengthen kiering effect, strengthens capillary effect.Defoamer can be eliminated the foam producing in dye vat, and preventing affects dyeing quality because of foam.
Step 3, dye vat is warming up to 45 DEG C with the speed of 3 DEG C/min, and dye vat turns round 10 minutes in the situation that keeping temperature to be 45 DEG C;
Step 4, adopt the mode of circulation material feeding in dye vat, to add levelling agent, glauber salt and soda ash with the time of 5 minutes, the consumption of described levelling agent is 1.5g/l～2g/l, the consumption of glauber salt is 60g/l～80g/l, the consumption of described soda ash is 2g/l～3g/l, be described levelling agent, the described glauber salt of 60g～80g and the described soda ash of 2g～3g that the default required clear water of bath raio of every liter of basis needs 1.5g～2g, then dye vat turns round 15 minutes in the situation that keeping temperature to be 45 DEG C;
Levelling agent makes, not containing Lycra cotton fabrics even dyeing in dyeing course, to avoid the generation of the fault such as vitta, color spot.Accelerant glauber salt can be eliminated the negative electrical charge on fiber and make the part of hydroxyl ionization in fiber, reduce the charge effect in dyeing course, eliminate the obstacle in dyeing course, made dye molecule and the fiber surface close contact that does not contain Lycra cotton fabrics, thereby improved the dye-uptake of dyestuff.Soda ash plays the effect of fixation.
Step 5, in dye vat, add described reactive brilliant yellow and urea with the time of 20 minutes by the mode of clear water material, material temperature is not less than 80 DEG C, when material the amount of clear water used be in described step 1, add clear water amount 1/5, described reactive brilliant yellow and the described mass ratio that does not contain Lycra cotton fabrics are α, 1.2%≤α≤6%, the consumption of described urea is 3g/l, be the described urea that the default required clear water of bath raio of every liter of basis needs 3g, here urea joins in dye vat as diluent, plays the effect of dilution reactive brilliant yellow.
Step 6, dye vat is cooled to 40 DEG C with the speed of 2 DEG C/min, then insulation running 15 minutes;
Step 7, dye vat is warming up to 90 DEG C with the speed of 2 DEG C/min, and then dye vat turns round 25 minutes in the situation that keeping temperature to be 90 DEG C;
Step 8, dye vat is cooled to 60 DEG C with the speed of 2 DEG C/min, in dye vat, add soda ash with the time of 20 minutes by the mode of clear water material, when material the amount of clear water used be in described step 1, add clear water amount 1/5, the consumption of described soda ash is 18g/l～22g/l, be the described soda ash that the default required clear water of bath raio of every liter of basis needs 18g～22g, then dye vat turns round 15 minutes in the situation that keeping temperature to be 60 DEG C;
Step 9, dye vat is warming up to 80 DEG C with the speed of 2 DEG C/min, and dye vat turns round 30～50 minutes in the situation that keeping temperature to be 80 DEG C, puts raffinate.
Step 2, postprocessing working procedures;
Step 3, finishing process.
The present invention adopts 90 DEG C of kierings, bleaching and dyeing, adds the gentle fixation of soda ash at 60 DEG C, reaches dyeing, fixation dynamic balancing in the time of 80 DEG C.
The present invention contains Lycra cotton fabrics as example taking 680kg, default bath raio is 1:8, be like this 680 × 8=5440L according to the amount of the default required clear water of bath raio, but in step 1, only add according to 5/8 of the amount of the default required clear water of bath raio, in step 1, add 3400L clear water, because in step 2, in step 5 and step 8, also need to add clear water, wherein the clear water in step 2 is used for diluting chelating agent, the spirit of deoiling, Tea Saponin, Tea Saponin dispersion liquid, scouring enzyme, digesting agent and defoamer, the amount of diluting clear water used is in step 1, to add 1/5 of clear water, it is 680L clear water.In step 5, the object of clear water is that reactive brilliant yellow is carried out to material, and the amount of clear water used is in step 1, to add 1/5 of clear water, i.e. 680L clear water.Clear water in step 8 is for carrying out material to soda ash, and the amount of clear water used is in step 1, to add 1/5 of clear water, i.e. 680L clear water.The clear water like this altogether adding is 3400L+680L+680L+680L=5440L, meets the requirement that default bath raio is 1:8.
In addition, the various amount of substances that add in step 2, step 4 and step 8 are all to add according to the amount of the default required clear water of bath raio.For example in step 2, adding the clever amount of deoiling is 2.25g/l～2.5g/l, that is to say that adding the clever amount of deoiling is 5440 × 2.25～5440 × 2.5 to be 12240g～13600g.
The present invention is for effectively to contrast with traditional handicraft, predetermined bath raio of the present invention is 1:8,24 DEG C of normal temperature location, the explanation as an example of 680kg grey cloth example: the used time is 240.5 minutes, 240.5 ÷ 60=4.008 hour, water consumption is 5440L, power consumption is 50 × 4.008=200.4, needing coal amount is 5440 × [(90 DEG C-24 DEG C)+(80 DEG C-60 DEG C)] ÷ 7000 ÷ 85%=78.63kg, water consumption, used time, power consumption in visible the present invention and need coal amount all few than traditional handicraft, has realized the object of saving the energy and reducing the technique used time.
The present invention adds Tea Saponin in white silk dyes a bath operation, to not bleaching containing Lycra cotton fabrics, adds reactive brilliant yellow, to not dyeing containing Lycra cotton fabrics.Dye a bath operation at white silk of the present invention and realized the bleaching, dyeing and the kiering function that do not contain Lycra cotton fabrics, complete multiple tasks with a procedure, shortened technological process, reduced processing step, save the water consumption in processing step, power consumption and needed coal amount, also having reduced the technique used time.In addition, in traditional handicraft, adopt hydrogen peroxide to bleach, because hydrogen peroxide is corrosive, stripping property, as scouring and dyeing can cause certain stripping to dyestuff, make the form and aspect of fabric not reach regulation requirement.
Above; be only preferred embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Claims (1)
1. one kind does not adopt reactive brilliant yellow to practice the dyeing that dyes a bath containing Lycra cotton fabrics, it is characterized in that, described dyeing comprises that the white silk of carrying out successively dyes a bath operation, postprocessing working procedures and finishing process, and wherein said white silk dyes a bath operation and specifically comprises the steps:
Step 1, does not put into dye vat containing Lycra cotton fabrics by described, and default bath raio is 1:8, in dye vat, adds clear water, and the amount that adds clear water is according to 5/8 of the amount of the default required clear water of bath raio, adds 3 minutes clear water used times;
Step 2, by chelating agent, the spirit of deoiling, Tea Saponin, Tea Saponin dispersion liquid, scouring enzyme, digesting agent and defoamer dilute with clear water, the amount of clear water used be in described step 1, add clear water amount 1/5, by chelating agent, the spirit of deoiling, Tea Saponin, Tea Saponin dispersion liquid, scouring enzyme, mixed liquor after digesting agent and defoamer dilution joined in dye vat with the time of 3 minutes, the consumption of wherein said chelating agent is 1.25g/l～1.5g/l, the described clever consumption that deoils is 2.25g/l～2.5g/l, the consumption of described Tea Saponin is 6.5g/l～8g/l, the consumption of described Tea Saponin dispersion liquid is 5g/l～6g/l, the consumption of described scouring enzyme is 2.5g/l, the consumption of described digesting agent is 2.75g/l～3g/l, the consumption of described defoamer is 2g/l～2.5g/l, and every liter of basis is preset the described chelating agent that the required clear water of bath raio needs 1.25g～1.5g, the spirit of deoiling described in 2.25g～2.5g, the described Tea Saponin of 6.5g～8g, the described Tea Saponin dispersion liquid of 5g～6g, the scouring enzyme of 2.5g, the described defoamer of the digesting agent of 2.75g～3g and 2g～2.5g,
Step 3, dye vat is warming up to 45 DEG C with the speed of 3 DEG C/min, and dye vat turns round 10 minutes in the situation that keeping temperature to be 45 DEG C;
Step 4, adopt the mode of circulation material feeding in dye vat, to add levelling agent, glauber salt and soda ash with the time of 5 minutes, the consumption of described levelling agent is 1.5g/l～2g/l, the consumption of glauber salt is 60g/l～80g/l, the consumption of described soda ash is 2g/l～3g/l, be described levelling agent, the described glauber salt of 60g～80g and the described soda ash of 2g～3g that the default required clear water of bath raio of every liter of basis needs 1.5g～2g, then dye vat turns round 15 minutes in the situation that keeping temperature to be 45 DEG C;
Step 5, in dye vat, add described reactive brilliant yellow and urea with the time of 20 minutes by the mode of clear water material, material temperature is not less than 80 DEG C, when material the amount of clear water used be in described step 1, add clear water amount 1/5, described reactive brilliant yellow and the described mass ratio that does not contain Lycra cotton fabrics are α, 1.2%≤α≤6%, the consumption of described urea is 3g/l, every liter of basis is preset the described urea that the required clear water of bath raio needs 3g;
Step 6, dye vat is cooled to 40 DEG C with the speed of 2 DEG C/min, then insulation running 15 minutes;
Step 7, dye vat is warming up to 90 DEG C with the speed of 2 DEG C/min, and then dye vat turns round 25 minutes in the situation that keeping temperature to be 90 DEG C;
Step 8, dye vat is cooled to 60 DEG C with the speed of 2 DEG C/min, in dye vat, add soda ash with the time of 20 minutes by the mode of clear water material, when material the amount of clear water used be in described step 1, add clear water amount 1/5, the consumption of described soda ash is 18g/l～22g/l, be the described soda ash that the default required clear water of bath raio of every liter of basis needs 18g～22g, then dye vat turns round 15 minutes in the situation that keeping temperature to be 60 DEG C;
Step 9, dye vat is warming up to 80 DEG C with the speed of 2 DEG C/min, and dye vat turns round 30～50 minutes in the situation that keeping temperature to be 80 DEG C, puts raffinate.
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| CN103215829A (en) * | 2012-12-28 | 2013-07-24 | 绍兴董氏纺织印染技术开发中心 | Cotton knitted fabric active dye refining and dyeing one-bath method |
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