CN105220531A - A kind of cold-rolling heap staining method of textile fabric - Google Patents
A kind of cold-rolling heap staining method of textile fabric Download PDFInfo
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Abstract
The invention provides a kind of cold-rolling heap staining method of textile fabric, described method comprises immersion liquid, banks up and washes three phases; The described immersion liquid stage comprises cold-pad-batch preparation, semi-products and dyeing and pads step; Wherein said cold-pad-batch preparation is configuration alkali lye, alkali immerging, configuration bleaching liquid, pads bleaching liquid, and clot is banked up and washing and drying; Described dyeing is padded for dye liquor configuration, pads dye liquor, the configuration of fixation liquid, is padded fixation liquid, fixation and post processing; The described stage of banking up comprises clot and step of banking up; Described water rinses comprises washing, soaps, washes and baking step again.Textiles of the present invention carries out cold-pad-batch preparation after padding the alkali lye that alcohol organic solvent and NaOH at high proportion mixes and the bleaching liquid that alcohol organic solvent and hydrogen peroxide mix at high proportion successively, have adjusted dyeing simultaneously, save cost, improve dye uptake and degree of fixation.
Description
Technical field
The present invention relates to a kind of method utilizing cold-rolling heap staining to process textile fabric dyeing and finishing, belong to the cold-rolling heap staining production technical field of energy-saving and cost-reducing, the cleaner production of dyeing.
Background technology
In recent years, along with improving constantly of people's material and cultural life, the color and luster that people wear finery and comfortableness require more and more higher.Therefore pure color fabric sales volume increases.Thus make that there is lovely luster, chromatogram is complete, low price, simple process, level-dyeing property be good, have the REACTIVE DYES of the advantages such as good wash resistant fastness also to become the maximum dye species of dyeing use amount.But anything all has dual character, REACTIVE DYES is not high to the affinity of cotton fiber, dye-uptake is not as good as direct dyes and reducing dye, in order to improve dye-uptake, often need when dyeing to add a large amount of salt or the short dye of glauber salt, thus add cost, also increase the washing difficulty after dyeing and sewage load simultaneously.Textile dyeing and finishing is made worldwide to be faced with same problem more or less: the problem such as waste gas, waste water, the energy, environmental protection.So various countries colourist maximizes favourable factors and minimizes unfavourable ones to make it for many years; Make great efforts exploitation dyeing technique and new equipment.The life therefrom of cold-rolling heap staining new technology.
So-called cold-stacking dyeing, namely fabric is referred at low temperatures by padding dye liquor and alkali lye, roll pressure rolling is utilized to make dye liquor be adsorbed on pure cotton fabric fiber surface, then carry out clot to bank up, at room temperature to bank up certain hour (bonding time) slowly rotating, make it the absorption of dyestuff, diffusion and laking process, finally wash the staining method of dye.This technique comprise pad working solution, fixation of banking up, washing three phases.
Cold rolling batch-dying process flow process is short, equipment is simple, environmental pollution is little, cause not drying and decatize, thus economize energy, have that bath raio is little, dye uptake is high (degree of fixation improves 15-25% than conventional pad steaming process), there is not the features such as dye migration disadvantage, be particularly suitable for the production to strain sensitive and dye not multi items, the small lot such as thoroughly.
Patent CN101016682A discloses a kind of cold-rolling heap staining method of textile fabric, and described method comprises immersion liquid, banks up and washes three phases; The described immersion liquid stage comprises cold-pad-batch preparation, semi-products and dyeing and pads step: described in the stage of banking up comprise clot and step of banking up; Described water rinses comprises washing, soaps, washes and baking step again.But wherein the amount ratio of alkali is comparatively large, and biology enzyme used is the biology enzyme that a species specificity is stronger, and its cost is higher.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide and a kind ofly adopt the method changing alkali lye and bleaching liquid preparation in cotton textiles cold-pad-batch process route and cold-pad-batch process, after cotton textiles being padded successively the alkali lye that alcohol organic solvent and NaOH at high proportion mixes and the bleaching liquid that alcohol organic solvent and hydrogen peroxide mix at high proportion, carry out cold-pad-batch preparation; Dyeing in padding process and fixation liquid are also changed simultaneously, respectively pad dyeing and fixation are carried out to textiles by the dye liquor that alcohol organic solvent at high proportion and a small amount of water and dyestuff or color-fixing agent mixed or fixation liquid.
For solving the problem, the present invention adopts following technical scheme:
A kind of cold-rolling heap staining that utilizes of the present invention is to the method for high-grade family textile fabric dyeing and finishing processing, described method comprises immersion liquid, banks up and water-washing step, wherein said cold-pad-batch preparation is configuration alkali lye, alkali immerging, configuration bleaching liquid, pads bleaching liquid, and clot is banked up and washing and drying;
Described dyeing is padded for dye liquor configuration, pads dye liquor, the configuration of fixation liquid, is padded fixation liquid, fixation and post processing;
Described immersion liquid comprises cold-pad-batch preparation, semi-products and dyeing and pads step:
Described banking up comprises clot and step of banking up;
Described washing comprises washing, soaps, washes and baking step.
Described configuration alkali lye comprises mixed liquor NaOH, scouring agent, bleeding agent being placed in alcohol organic solvent and water, stirs and is mixed with alkali lye.
Described alcohol organic solvent such as, for being ethanol and/or isopropyl alcohol, the mixture of ethanol and isopropyl alcohol.
The volume ratio of described alcohol organic solvent and water is 50 ~ 70:5 ~ 30, such as 50:5,55:10,60:15,65:20 or 70:30 etc.
The concentration of described NaOH is 10 ~ 20g/L, such as 10g/L, 12g/L, 14g/L, 16g/L, 18g/L or 20g/L etc.
The concentration of described refining agent is 5 ~ 20g/L, such as 5g/L, 7g/L, 9g/L, 13g/L, 15g/L, 17g/L or 20g/L etc.
The concentration of described bleeding agent is 1 ~ 5g/L, such as 1g/L, 2g/L, 3g/L, 4g/L or 5g/L etc.
Configuration bleaching liquid comprises mixed liquor hydrogen peroxide, hydrogen peroxide bleaching stabilizer, bleeding agent being placed in alcohol organic solvent and water, is mixed with bleaching liquid after stirring.
Described alcohol organic solvent such as, for being ethanol and/or isopropyl alcohol, the mixture of ethanol and isopropyl alcohol.
The volume ratio of described alcohol organic solvent and water is 50 ~ 70:5 ~ 30, such as 50:5,55:10,60:15,65:20 or 70:30 etc.
Described hydrogen peroxide bleaching stabilizer is the composition of silicate and/or organic phosphate, such as silicate and organic phosphate.
The mass fraction of described hydrogen peroxide is 20 ~ 30%, such as 20%, 22%, 24%, 26%, 28% or 30% etc.
The concentration of described hydrogen peroxide is 10 ~ 30g/L, such as 10g/L, 15g/L, 20g/L, 25g/L or 30g/L etc.
The concentration of described hydrogen peroxide bleaching stabilizer is 1 ~ 5g/L, such as 1g/L, 2g/L, 3g/L, 4g/L or 5g/L etc.
The concentration of described bleeding agent is 1 ~ 5g/L, such as 1g/L, 2g/L, 3g/L, 4g/L or 5g/L etc.
Textiles has fabulous wettability in alcohol organic solvent, thus contains a large amount of NaOH and hydrogen peroxide in textiles after making alkali immerging and bleaching liquid.General containing slurry, pectic substance, wax, pigment, lignin and nitrogen substance etc. on textiles, in the cold-pad-batch preparation of alcohol organic solvent, mainly comprise three phases, first stage, mainly complete the swelling of impurity and oxidation reaction, second stage, mainly complete the chemical degradation to oxidation product, accelerate basic hydrolysis, the emulsification of saponification and cotton wax, dispersion, solubilising physical-chemical reaction, phase III, by physical mechanical effect, by degrading, saponification, basic hydrolysis, emulsification impurity removing.Wherein, slurry can occur swelling in the alkali lye of alcohol organic solvent, is collosol state, fluffs with sticking of fiber from gel state, then through hot wash, is just easier to split away off from textiles.
Pad the organic alkali lye that mixes with alkaline agent of alcohols at high proportion and at high proportion alcohol organic solvent and hydrogen peroxide mix bleaching liquid time, first alkali immerging is adopted to pad the two-step process of bleaching liquid again, the decomposition of the hydrogen peroxide caused when effectively prevent the mixed solution padding alkaline agent and hydrogen peroxide in conventional one-step method in alkaline agent, makes bleaching effect strengthen.
Dye liquor preparation comprises mixed liquor dyestuff being placed in alcohol organic solvent and water, is mixed with dye liquor after stirring.
In described dye liquor preparation, the bath raio of dye liquor is 1:20 ~ 50, such as 1:20,1:25,1:30,1:35,1:40,1:45 or 1:50 etc.
In described dye liquor preparation, the volume ratio of alcohol organic solvent and water is 50 ~ 70:5 ~ 30, such as 50:5,55:10,60:15,65:20 or 70:30 etc.
The concentration of described dyestuff is 1 ~ 5% of quality of textile products, such as 1%, 2%, 3%, 4% or 5% etc.
Described fixation liquid preparation comprises mixed liquor color-fixing agent being placed in alcohol organic solvent and water, is mixed with fixation liquid after stirring.
In described fixation liquid preparation, the bath raio of fixation liquid is 1:20 ~ 50, such as 1:20,1:25,1:30,1:35,1:40,1:45 or 1:50 etc.
In described fixation liquid preparation, the volume ratio of alcohol organic solvent and water is 50 ~ 70:5 ~ 30, such as 50:5,55:10,60:15,65:20 or 70:30 etc.
In described fixation liquid preparation, the concentration of solid-liquid agent is 5 ~ 20g/L, such as 5g/L, 7g/L, 10g/L, 13g/L, 15g/L, 17g/L or 20g/L etc.
Described color-fixing agent is the combination of any one or at least two kinds in sodium carbonate, sodium bicarbonate or polyamide fibre color-fixing agent, described combination typical case but limiting examples have: the combination of sodium carbonate and sodium bicarbonate, the combination of sodium bicarbonate and polyamide fibre color-fixing agent, the combination etc. of sodium carbonate, sodium bicarbonate and polyamide fibre color-fixing agent.
In the dye liquor that alcohol organic solvent at high proportion and a small amount of water and dyestuff mix, the minimizing of the water yield thus the concentration of dyestuff is increased substantially, the dye-uptake of dyestuff on fabric also improves thereupon.Because the dielectric constant of alcohol organic solvent is larger than water, make the polarity of alcohol organic solvent less than water.Therefore, the polarity of whole dye liquor is also along with increasing, and the reaction speed between dyestuff and fiber is accelerated thereupon, improves the degree of fixation of dyestuff on fiber.Meanwhile, adding of alcohol organic solvent reduces dye liquor surface tension, more easily there is nucleophilic displacement of fluorine and nucleophilic addition in dye molecule, form dyestuff fiber covalent bond, and alcohol organic solvent a large amount of in dye bath and a small amount of water, can effectively prevent the hydrolysis of dyestuff and come off, improve the utilization rate of dyestuff.
So-called cold-rolling heap staining, namely fabric is at low temperatures by padding dye liquor and alkali lye, utilizes roll pressure rolling to make dye liquor be adsorbed on pure cotton fabric fiber surface, then carries out clot and bank up.At room temperature to bank up certain hour (bonding time) slowly rotating, made it the absorption of dyestuff, diffusion and laking process, finally washed the staining method of dye.
Utilize cold-rolling heap staining, fabric at low temperatures by padding liquor and alkali lye, will utilize roll pressure rolling to make dye liquor be adsorbed on pure cotton fabric fiber surface, then carries out clot and bank up.At room temperature to bank up certain hour (bonding time) slowly rotating, to have made it Dye Adsorption, diffusion and laking process, finally washed the staining method of dye.
The cold-pad-batch preparation of so-called cotton and cotton blended fabric, refers to caustic soda, the same bath of hydrogen peroxide, carries out long time treatment at ambient temperature, reach the object of destarch, kiering, bleaching.Generally can be divided into pad, clot, bank up, alkali decatize, washing double teacher, the first two stage is for the absorption of working solution, diffusion; 3rd step carries out swelling, partly-hydrolysed and oxidation to impurity, pigment; 4th step carries out chemical degradation to oxidation product, accelerates protein basic hydrolysis, the emulsification of pectate saponification and cotton wax, dispersion, solubilising; Final step to degrading, saponification, basic hydrolysis, emulsification impurity remove.
Hydrogen peroxide generates HOO-in the basic conditions, and the color development system in oxidable pigment, reaches achromatic objective; Hydrogen peroxide can also be caused and generate free radical, destroy the double bond in pectic substance, wax and nitrogen substance molecular structure, make the interaction force between itself and cellulose fibre reduce and remove.
Caustic soda can make the ester linkage hydrolyzing in pectin become solable matter and remove; Nitrogen substance is that caustic soda hydrolysis forms soluble Amino acid sodium-salt and removes when high temperature; Waxy substance saponification in thermokalite is dissolved; Higher aliphatic is removed by emulsification; Oily wax, tannin, protein and polysaccharide in cotton seed hulls and caustic soda effect improve solvency; It is swelling in alkali lye that element held by wood, and low-molecular material decomposes, and high millet thing reduces adhesive force due to swelling lower cloth, comes off under the mechanism of solution.
Hydrogen peroxide bleaching stabilizer (chelated dispersants, waterglass) can alleviate temperature in decomposing hydrogen dioxide solution process, pH value, heavy metal to its impact, controls the resolution ratio more than 90% of hydrogen peroxide on cloth, prevents catalytic decomposition from damaging fiber.
Alkaline-resisting and the moon/non-ionic surface active agent of oxygen generally selected by concise bleeding agent, has the effect of wetting, infiltration, emulsification, washing simultaneously.
The requirement of cold-rolling heap staining to semi-products is higher.Fabric through pre-treatment must have even and good water imbibition, and capillary effect should at more than 10cm/30min.Dry and want evenly and be suitable for, too dry fabric shows hydrophobicity on the contrary, not easily soaks when padding dye liquor; Too wetly affect Dry Sack and cloth surface uniformity, general control is 4% ~ 6%.Fully to cool before fabric enters groove, because some alkali-sensitive REACTIVE DYES, accelerate hydrolysis along with the rising of temperature, the easy like this difference causing front and back coloured light.Pre-treatment wants clean, and fabric should not contain chlorine, hydrogen peroxide etc., also should again with slurry, paraffin etc., otherwise can affect Dry Sack or produce and locally do not paint.Grey cloth as cold dyeing is distributed cotton can not be too poor, and can not have obvious yellowish-white shelves, the covering of cold dyeing is bad, even if through good pre-treatment, also of no avail.(see table 1)
| PH value | Whiteness | Capillary effect | Destarch rate |
| 7-8 | ≥75 | T≥10 W≥10 | ≥99％ |
Cold-rolling heap staining method is divided into two kinds by adding by the mode of alkaline agent: one is pre-mixed dyestuff and alkaline agent, is made into dye liquor and pads fabric; Another kind is by dyestuff and alkaline agent separately preparation, is added in proportion in the blender of a low capacity when padding by measuring pump simultaneously.A kind of front method is adapted to react more weak dyestuff, and with the alkaline agent that alkalescence is more weak, the time of banking up is longer, is a kind ofly applicable to reactive stronger dyestuff afterwards, and with the alkaline agent that alkalescence is stronger, the time of banking up is shorter.
。Specific Principles is: the reactivity of dyestuff is eager to excel, and at high temperature can complete fixation; The solubility of dyestuff in alkali wants high, otherwise dyestuff can occur focus on and produce color dot; The stabilization time of dye liquor will be grown; The bank up tolerance of time of fixation wants large, can meet the needs of various production scheduling; Cleaning is wanted easily, and colorant match compatibility will be got well.Consider that large production has the situation such as fluting, change of lap, temporary parking, keep the uniformity of coloured light, selection that is alkaline-resisting with dyestuff, hydrolytic stability is most important.Alkalescence adopts caustic soda and sodium metasilicate mixed form.Caustic soda provides enough dyestuffs to react the basicity of fixation, and sodium metasilicate alkaline agent, then as buffer, plays regulatory role the pH value of alkali lye, thus controls the hydrolysis of dyestuff, is conducive to improving degree of fixation and Dry Sack rate, can avoids producing aberration end to end simultaneously.In addition, sodium metasilicate also can be used as adsorbent, is hydrolyzed to colloidal magnesium or alkaline-earth silicate in post processing water washing bath, the hydrolysed reactive dye in adsorbable water, prevents from staiing on fabric.With plastic sheeting parcel after textile dyeing clot, the rotation time of banking up is as the criterion to be greater than the maximum fixation time in colorant match.Because need of production can proper extension.If but the time of banking up is oversize or parcel is not tight or alkali number is not enough, can produce dry migration, or selvedge carbonating, cause pH value to decline, slow down dye fixing, causes selvedge aberration.After cold dome, degree of fixation can reach 90%, can wash, comparatively simply on any equipment.Washing is generally cold wash, hot water wash, soap (conventional detergent), hot water wash, cold wash and oven dry.
As the REACTIVE DYES of cold-pad-batch process dyeing, should select reactivity can not be too strong, but reaction speed dyestuff faster, generally to select reactive moderate dyestuff to be advisable, be conducive to the stability that padding liquor keeps good like this.
The process of cold-rolling heap staining is all at room temperature carried out, and the diffusion couple dye-uptake of dyestuff in dye liquor plays a decisive role.Therefore requiring that selected dye molecule is less, easier diffusion, selects fine-powdered dyestuff better, because cold-stacking dyeing dye liquor goes by transferring to fibrous inside after textile pad.Therefore to select direct low dyestuff to be advisable, both easily obtained level dyeing, be beneficial to again and overcome a tip depth phenomenon, the dyestuff of hydrolysis also easily washes away.
Beating sample is a very important link before cold-stacking dyeing, and the accuracy of sample directly has influence on full-page proof result, will be paid attention to especially for this reason.The mode of the most simple and fast of current cold dome is microwave flow injection, namely after textile pad dye liquor, completes the fixation of dyestuff in micro-wave oven.Under low power scenarios every, the micro-wave oven of accurate stepless change mode of heating can be provided all can to use, but must calibrate its certain power before use, adapt to the requirement of dyeing to make it.Microwave is actually a kind of high-frequency radiation, and it can increase the vibration frequency of dyestuff, improves the speed that dye diffusion enters fiber, thus REACTIVE DYES can be anchored in COTTON FABRIC fast.Pad speed, pick-up, microwave power, the time that fabric exposes under microwave all can affect Dry Sack in various degree, pads speed, pick-up can as far as possible close to full-page proof condition.
Compared with prior art, the present invention at least has the following advantages:
(1) carry out cold-pad-batch preparation after cotton textiles being padded successively the alkali lye that alcohol organic solvent and NaOH at high proportion mixes and the bleaching liquid that alcohol organic solvent and hydrogen peroxide mix at high proportion, thus after making alkali immerging and bleaching liquid in textiles containing a large amount of NaOH and hydrogen peroxide.Adopt first alkali immerging to pad the two-step process of bleaching liquid again, the decomposition of the hydrogen peroxide caused when effectively prevent the mixed solution padding alkaline agent and hydrogen peroxide in conventional one-step method in alkaline agent, makes bleaching effect strengthen.
(2) dyeing in padding process and fixation liquid are also changed, respectively pad dyeing and fixation are carried out to textiles by the dye liquor that alcohol organic solvent at high proportion and a small amount of water and dyestuff or color-fixing agent mixed or fixation liquid.In the dye liquor that alcohol organic solvent at high proportion and a small amount of water and dyestuff mix, the minimizing of the water yield thus the concentration of dyestuff is increased substantially, the dye-uptake of dyestuff on fabric also brings up to more than 94%.
(3) dielectric constant due to alcohol organic solvent is larger than water, makes the polarity of alcohol organic solvent less than water.Therefore, the polarity of whole dye liquor is also along with increasing, and the reaction speed between dyestuff and fiber is accelerated thereupon, improves the degree of fixation of dyestuff on fiber, makes degree of fixation reach more than 95%.
Detailed description of the invention
Embodiment 1:
(1) the immersion liquid stage comprises cold-pad-batch preparation, semi-products and dyeing and pads step:
Configuration alkali lye: mixed liquor NaOH, scouring agent, bleeding agent being placed in alcohol organic solvent and water, stir and be mixed with alkali lye, wherein, in alkali lye, the volume ratio of alcohol organic solvent and water is 60:25, the concentration of NaOH is 15g/L, the concentration of scouring agent is 13g/L, and the concentration of bleeding agent is 2.5g/L, and alcohol organic solvent is ethanol.
Alkali immerging:
To treat that the alkali lye that the textiles of pre-treatment is placed in preparation carries out alkali immerging process, after process, the liquid carrying rate of cotton textiles is 80 ~ 120%.
Configuration bleaching liquid:
Hydrogen peroxide, hydrogen peroxide bleaching stabilizer, bleeding agent are placed in the mixed liquor of alcohol organic solvent and water, bleaching liquid is mixed with after stirring, wherein, in bleaching liquid, the volume ratio of alcohol organic solvent and water is 60:25, and the mass fraction of hydrogen peroxide is 25%, and the concentration of hydrogen peroxide is 20g/L, the concentration of hydrogen peroxide bleaching stabilizer is 2.5g/L, the concentration of bleeding agent is 2.5g/L, and hydrogen peroxide bleaching stabilizer is silicate, and alcohol organic solvent is ethanol.
Pad bleaching liquid:
Bleaching liquid textiles after alkali immerging process being placed in preparation carries out padding bleaching liquid process, and after process, the liquid carrying rate of cotton textiles is 80 ~ 120%.
Clot, to bank up and washing and drying:
By the clot on coiler of the textiles after bleaching, cotton textiles after clot rotates and banks up after plastic sheeting parcel, wherein, temperature of banking up is 20 DEG C, the time of banking up is 12h, velocity of rotation is 10 revs/min, then textiles is carried out soaping, hot water wash, cold wash and oven dry, obtain semi-products.
Described semi-products moisture is 4%, and capillary effect is at more than 10cm/30min.
Dye liquor configures: mixed liquor dyestuff being placed in alcohol organic solvent and water, is mixed with dye liquor after stirring, and wherein, the bath raio of dye liquor is 1:40, and the volume ratio of alcohol organic solvent and water is 60:25, and the concentration of dyestuff is 2.5% of quality of textile products.Dyestuff is the one in REACTIVE DYES or ACID DYES or DISPERSE DYES.Alcohol organic solvent is ethanol.
Pad dye liquor: textiles is padded dye liquor according to pad method, the liquid carrying rate of textiles is 60% ~ 90%, and then dried by the textiles padding dye liquor, bake out temperature is 70 DEG C, and drying time is 5 minutes.
Fixation liquid configures:
Color-fixing agent is placed in the mixed liquor of alcohol organic solvent and water, is mixed with fixation liquid after stirring, wherein, the bath raio of fixation liquid is 1:40, and the volume ratio of alcohol organic solvent and water is 60:25, and the concentration of color-fixing agent is 13g/L, alcohol organic solvent is isopropyl alcohol, and color-fixing agent is sodium carbonate.
Pad color-fixing agent:
Textiles after padding dye liquor and dry is padded fixation liquid according to pad method, and the liquid carrying rate of textiles is 30% ~ 90%, and then dried by the textiles padding fixation liquid, bake out temperature is 70 DEG C, and drying time is 5 minutes.
Fixation:
Carry out fixation according to color-fixing method to the textiles after padding fixation liquid and dry, color fixing temperature is 150 ~ 200 DEG C, and the fixation time is 0.5 ~ 3 minute, and color-fixing method is decatize.
Post processing: the loose colour washing away the textile surface after fixation treatment, and dry 80 DEG C time.
(2) bank up the stage:
Clot largest diameter is 1.4m, and for preventing that chieftain prints, Bao Yan wanted by bearing cloth, rotates pilling up time and determines according to dye well consumption.
(3) water rinses comprises washing, soaps, washes and baking step again.
Embodiment 2:
Configuration alkali lye: in alkali lye, the volume ratio of alcohol organic solvent and water is 50:5, and the concentration of NaOH is 10g/L, and the concentration of scouring agent is 5g/L, and the concentration of bleeding agent is 1g/L, and alcohol organic solvent is isopropyl alcohol.
Configuration bleaching liquid:
In bleaching liquid, the volume ratio of alcohol organic solvent and water is 50:5, and the mass fraction of hydrogen peroxide is 20%, and the concentration of hydrogen peroxide is 10g/L, the concentration of hydrogen peroxide bleaching stabilizer is 1g/L, the concentration of bleeding agent is 1g/L, and hydrogen peroxide bleaching stabilizer is organic phosphate, and alcohol organic solvent is ethanol.
Dye liquor configures: the bath raio of dye liquor is the volume ratio 50:5 of 1:20, alcohol organic solvent and water, and the concentration of dyestuff is quality of textile products, and 1%.Dyestuff is the one in REACTIVE DYES or ACID DYES or DISPERSE DYES.Alcohol organic solvent is isopropyl alcohol.
Fixation liquid configures:
The bath raio of fixation liquid is 1:20, and the volume ratio of alcohol organic solvent and water is 50:5, and the concentration of color-fixing agent is 20g/L, and alcohol organic solvent is isopropyl alcohol, and color-fixing agent is sodium bicarbonate.
Other steps are all in the same manner as in Example 1.
Embodiment 3:
Configuration alkali lye: in alkali lye, the volume ratio of alcohol organic solvent and water is 70:30, and the concentration of NaOH is 20g/L, and the concentration of scouring agent is 20g/L, and the concentration of bleeding agent is 5g/L, and alcohol organic solvent is the mixture of ethanol and isopropyl alcohol.
Configuration bleaching liquid:
In bleaching liquid, the volume ratio of alcohol organic solvent and water is 70:30, the mass fraction of hydrogen peroxide is 30%, the concentration of hydrogen peroxide is 30g/L, the concentration of hydrogen peroxide bleaching stabilizer is 5g/L, the concentration of bleeding agent is 5g/L, hydrogen peroxide bleaching stabilizer is organic phosphate, and alcohol organic solvent is the mixture of ethanol and isopropyl alcohol.
Dye liquor configures: the bath raio of dye liquor is the volume ratio 70:30 of 1:50, alcohol organic solvent and water, and the concentration of dyestuff is 5% of quality of textile products.Dyestuff is the one in REACTIVE DYES or ACID DYES or DISPERSE DYES.Alcohol organic solvent is isopropyl alcohol.
Fixation liquid configures:
The bath raio of fixation liquid is 1:50, and the volume ratio of alcohol organic solvent and water is 70:30, and the concentration of color-fixing agent is 20g/L, and alcohol organic solvent is isopropyl alcohol, and color-fixing agent is sodium bicarbonate.
Other steps are all in the same manner as in Example 1.
Comparative example 1: be the embodiment 1. in patent CN101016682A
In embodiment 1-3 and comparative example 1 dye-uptake and degree of fixation contrast table as shown in table 1.
In table 1: embodiment 1-3 and comparative example 1, dye-uptake and degree of fixation contrast table are as table
As can be seen from Table 1, method of the present invention makes dye-uptake and degree of fixation all be significantly increased.Carry out cold-pad-batch preparation after cotton textiles being padded successively the alkali lye that alcohol organic solvent and NaOH at high proportion mixes and the bleaching liquid that alcohol organic solvent and hydrogen peroxide mix at high proportion, thus after making alkali immerging and bleaching liquid in textiles containing a large amount of NaOH and hydrogen peroxide.Adopt first alkali immerging to pad the two-step process of bleaching liquid again, the decomposition of the hydrogen peroxide caused when effectively prevent the mixed solution padding alkaline agent and hydrogen peroxide in conventional one-step method in alkaline agent, makes bleaching effect strengthen.Dyeing in padding process and fixation liquid are also changed, respectively pad dyeing and fixation is carried out to textiles by the dye liquor that alcohol organic solvent at high proportion and a small amount of water and dyestuff or color-fixing agent mixed or fixation liquid.In the dye liquor that alcohol organic solvent at high proportion and a small amount of water and dyestuff mix, the minimizing of the water yield thus the concentration of dyestuff is increased substantially, the dye-uptake of dyestuff on fabric also brings up to more than 94%.Because the dielectric constant of alcohol organic solvent is larger than water, make the polarity of alcohol organic solvent less than water.Therefore, the polarity of whole dye liquor is also along with increasing, and the reaction speed between dyestuff and fiber is accelerated thereupon, improves the degree of fixation of dyestuff on fiber, makes degree of fixation reach more than 95%.Applicant states, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, namely do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of auxiliary element, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (8)
1. a cold-rolling heap staining method for textile fabric, is characterized in that: described method comprises immersion liquid, banks up and washes three phases;
The described immersion liquid stage comprises cold-pad-batch preparation, semi-products and dyeing and pads step;
Wherein said cold-pad-batch preparation is configuration alkali lye, alkali immerging, configuration bleaching liquid, pads bleaching liquid, and clot is banked up and washing and drying;
Described dyeing is padded for dye liquor configuration, pads dye liquor, the configuration of fixation liquid, is padded fixation liquid, fixation and post processing;
The described stage of banking up comprises clot and step of banking up;
Described water rinses comprises washing, soaps, washes and baking step again.
2. cold-rolling heap staining method according to claim 1, is characterized in that, described configuration alkali lye comprises mixed liquor NaOH, scouring agent, bleeding agent being placed in alcohol organic solvent and water, stirs and is mixed with alkali lye;
Preferably, described alcohol organic solvent is for being ethanol and/or isopropyl alcohol;
Preferably, the volume ratio of described alcohol organic solvent and water is 50 ~ 70:5 ~ 30;
Preferably, the concentration of described NaOH is 10 ~ 20g/L;
Preferably, the concentration of described refining agent is 5 ~ 20g/L;
Preferably, the concentration of described bleeding agent is 1 ~ 5g/L.
3. cold-rolling heap staining method according to claim 1 and 2, is characterized in that, configuration bleaching liquid comprises mixed liquor hydrogen peroxide, hydrogen peroxide bleaching stabilizer, bleeding agent being placed in alcohol organic solvent and water, is mixed with bleaching liquid after stirring;
Preferably, described alcohol organic solvent is for being ethanol and/or isopropyl alcohol;
Preferably, described hydrogen peroxide bleaching stabilizer is silicate and/or organic phosphate;
Preferably, the volume ratio of described alcohol organic solvent and water is 50 ~ 70:5 ~ 30;
Preferably, the mass fraction of described hydrogen peroxide is 20 ~ 30%;
Preferably, the concentration of described hydrogen peroxide is 10 ~ 30g/L;
Preferably, the concentration of described hydrogen peroxide bleaching stabilizer is 1 ~ 5g/L;
Preferably, the concentration of described bleeding agent is 1 ~ 5g/L.
4. according to the arbitrary described cold-rolling heap staining method of claim 1-3, it is characterized in that, dye liquor preparation comprises mixed liquor dyestuff being placed in alcohol organic solvent and water, is mixed with dye liquor after stirring.
5. according to the arbitrary described cold-rolling heap staining method of right 1-4, it is characterized in that, in described dye liquor preparation, the bath raio of dye liquor is 1:20 ~ 50;
Preferably, in described dye liquor preparation, the volume ratio of alcohol organic solvent and water is 50 ~ 70:5 ~ 30;
Preferably, the concentration of described dyestuff is 1 ~ 5% of quality of textile products.
6. according to the arbitrary described cold-rolling heap staining method of right 1-5, it is characterized in that, described fixation liquid preparation comprises mixed liquor color-fixing agent being placed in alcohol organic solvent and water, is mixed with fixation liquid after stirring.
7. according to the arbitrary described cold-rolling heap staining method of right 1-6, it is characterized in that, in described fixation liquid preparation, the bath raio of fixation liquid is 1:20 ~ 50;
Preferably, in described fixation liquid preparation, the volume ratio of alcohol organic solvent and water is 50 ~ 70:5 ~ 30;
Preferably, in described fixation liquid preparation, the concentration of solid-liquid agent is 5 ~ 20g/L.
8. according to the arbitrary described cold-rolling heap staining method of right 1-7, it is characterized in that, described color-fixing agent is the combination of any one or at least two kinds in sodium carbonate, sodium bicarbonate or polyamide fibre color-fixing agent.
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| CN106521989A (en) * | 2016-11-29 | 2017-03-22 | 广东溢达纺织有限公司 | Non-aqueous solvent cold pad batch dyeing method of reactive dye |
| CN106978741A (en) * | 2017-05-26 | 2017-07-25 | 东莞市博科纺织科技有限公司 | A kind of chlorine-resistant color fixing agent and preparation method thereof |
| CN108103694A (en) * | 2017-12-22 | 2018-06-01 | 鲁丰织染有限公司 | The technique for promoting reactive dyeing through-dyeing and depth |
| CN110172843A (en) * | 2019-06-06 | 2019-08-27 | 武汉纺织大学 | A kind of cold-rolling heap staining method of nylon fiber |
| CN110735335A (en) * | 2019-10-29 | 2020-01-31 | 邓景军 | dyeing method for textile fabric |
| CN113293629A (en) * | 2021-06-03 | 2021-08-24 | 鲁泰纺织股份有限公司 | Cotton yarn warp beam cold pad-batch dyeing process |
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| CN103498348A (en) * | 2013-09-25 | 2014-01-08 | 武汉纺织大学 | Salt-free low-alkali dyeing method for shortening dyeing time of reactive dye |
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| CN106521989A (en) * | 2016-11-29 | 2017-03-22 | 广东溢达纺织有限公司 | Non-aqueous solvent cold pad batch dyeing method of reactive dye |
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| CN110172843B (en) * | 2019-06-06 | 2022-02-08 | 武汉纺织大学 | Cold pad-batch dyeing method for nylon fibers |
| CN110735335A (en) * | 2019-10-29 | 2020-01-31 | 邓景军 | dyeing method for textile fabric |
| CN113293629A (en) * | 2021-06-03 | 2021-08-24 | 鲁泰纺织股份有限公司 | Cotton yarn warp beam cold pad-batch dyeing process |
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