CN103669045B - The reactive dyeing process of the dark heavy colour of a kind of real silk - Google Patents

The reactive dyeing process of the dark heavy colour of a kind of real silk Download PDF

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Publication number
CN103669045B
CN103669045B CN201310626389.6A CN201310626389A CN103669045B CN 103669045 B CN103669045 B CN 103669045B CN 201310626389 A CN201310626389 A CN 201310626389A CN 103669045 B CN103669045 B CN 103669045B
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fabric
dyeing
dye
reactive
real silk
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CN103669045A (en
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张彦
陈红霞
陆鹏
丁可敬
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JIANGSU GOLDSUN TEXTILE TECHNOLOGY CO., LTD.
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Jiangsu Gold Cloth Capable Of Reflecting Sun Infrared And Ultraviolet Rays Industry Co Ltd
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Abstract

The invention provides the reactive dyeing process of the dark heavy colour of a kind of real silk, comprise three steps: first fabric is put into the dye liquor adopting REACTIVE DYES preparation, dye liquor is warming up to 85 ~ 98 DEG C, add glauber salt again, after keeping 85 ~ 98 DEG C to dye 60 ~ 180 minutes, regulate dye liquor pH to 5 ~ 7, continue dyeing 20 ~ 40 minutes, discharge opeing, flowing clear water rinses; Then the fabric after dyeing is padded, first roll the moisture on fabric, pick-up is 50% ~ 70%, then, fabric is immersed working solution and shuts out clot, pick-up is 70 ~ 90%, package is banked up 8 ~ 20 hours, wherein, the speed of pressure roller is 20 ~ 40m/min, and working solution comprises alkaline agent 5 ~ 30g/L and glauber salt 0 ~ 20g/L; Finally, the fabric after padding is carried out dye gigging, first fabric flowing clear water is washed, then use Warm Wash, last reusable heat washing.This technique when selecting REACTIVE DYES not the restriction of receptor 1 activity colorant dissolubility and alkali resistance substantially increase the utilization rate of dyestuff simultaneously.

Description

The reactive dyeing process of the dark heavy colour of a kind of real silk
Technical field
The present invention relates to textile dyeing and finishing field, specifically belong to the reactive dyeing process of the dark heavy colour of a kind of real silk.
Background technology
Real silk uses acidity and direct dyeing for a long time always, but the COLOR FASTNESS of these dyestuffs is difficult to reach higher level always, no matter is light fastness to light or the fastness to perspiration of dark color, is all difficult to meet the more and more higher demand of consumer.As expensive goods, COLOR FASTNESS bad, causes true silk products blemish in an otherwise perfect thing, also have impact on the clothing performance of true silk products time serious.
Although REACTIVE DYES also has the application in real silk, because degree of fixation is not high, the reasons such as real silk is not alkaline-resisting, can not be promoted always well.Conventional method has dye gigging and dip-dye, the technique taked has weak base technique, neutral technique, first acid alkali technique again, but has a common shortcoming, is exactly some dark products, be difficult to reactive dyeing the degree of depth reaching client's sampling, and fastness can not ensure.It is dark that conventional reactive dye for wool is difficult to dye, and cost is also very high, so be generally not used in the dark heavy colour of dye.
Publication number is CN1928186A, name is called " silk cold rolling and piling method " patent document discloses a kind of silk cold rolling and piling method.Although achieve the upper dye of REACTIVE DYES to silk fabric, the method that the dyestuff adopted and alkali lye one are bathed, alkali lye makes REACTIVE DYES solubility greatly reduce, and cause the dyeing of dark heavy colour to reach requirement, and the permeance property of dyestuff neither be fine.Because dyeing temperature is low, the dye diffusion that some molecular structures are large or substantivity is too high is very slow, and fixation reaction occurs too early, and through-dyeing is poor, and surface color is bright and clean not, is also difficult to overcome even if extend the time of banking up.Adopt the method to have strict requirement for the dyestuff alkali resistance selected and dissolubility, common cotton reactive dye is subject to certain restrictions in the cold-rolling heap staining application of real silk.
Publication number is CN101260621B, name is called that " technique that cotton reactive dye is applied to silk broadcloth dying " discloses the technique that a kind of cotton reactive dye is applied to silk broadcloth dying.Under faintly acid or neutrallty condition, temperature, at 85-98 DEG C, first with dyeing silk fiber in REACTIVE DYES, and then adds alkali fixation under 60 DEG C of conditions.This technique has had further lifting on original real silk vital staining basis, but weak point be in the basic conditions fixation time, a part in upper dye process and cocoon fiber on-NH 3+with the dyestuff that ionic bond combines, because-NH 3+lose proton generation-NH in the basic conditions 2, ionic bond ruptures, and dyestuff is molten to be fallen within dye bath, destroys the dyestuff of upper dye, causes the reduction of dye utilization rate.In addition, add alkaline agent under 60 DEG C of conditions and also have the risk causing silk ash wound.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and the reactive dyeing process that the dark heavy colour of a kind of real silk is provided, this technique when selecting REACTIVE DYES not the restriction of receptor 1 activity colorant dissolubility and alkali resistance substantially increase the utilization rate of dyestuff simultaneously.
A reactive dyeing process for the dark heavy colour of real silk, comprises the following steps:
Staining procedure: fabric is put into the dye liquor adopting REACTIVE DYES preparation, dye liquor is warming up to 85 ~ 98 DEG C, then adds glauber salt, after keeping 85 ~ 98 DEG C to dye 60 ~ 180 minutes, regulate dye liquor pH to 5 ~ 7, continue dyeing 20 ~ 40 minutes, discharge opeing, flowing clear water rinses;
Instantaneously pad step: padded by the fabric after dyeing, first roll the moisture on fabric, pick-up is 50% ~ 70%, then fabric is immersed working solution and shut out clot, pick-up is 70 ~ 90%, and package is banked up 8 ~ 20 hours, wherein, the speed of pressure roller is 20 ~ 40m/min, and working solution comprises alkaline agent 5 ~ 30g/L and glauber salt 0 ~ 20g/L;
Water-washing step: the fabric after padding is entered dye jigger and washes, first fabric flowing clear water is washed, then use 50 ~ 70 DEG C of Warm Wash, finally use 80 ~ 100 DEG C of hot water wash again.
Above-mentionedly instantaneously pad in step, described alkaline agent can be sodium silicate, sodium phosphate, NaOH, sodium bicarbonate, sodium carbonate, potash, mixture for one or both or three kinds of alkaline agent.
In above-mentioned staining procedure, the weight of described REACTIVE DYES is 5% ~ 10% of fabric weight.
In above-mentioned staining procedure, the concentration of described glauber salt is 10 ~ 30g/L.
Principle of the present invention is: fabric adopts REACTIVE DYES to dye separately, does not add alkali lye, avoid REACTIVE DYES and destroyed by alkali lye in dyeing course in dye liquor; Although the fabric after dyeing pads in alkaline working solution, the time of padding is very short, and mainly by fixation of banking up, the degree that after greatly reducing dye, REACTIVE DYES is destroyed by alkali lye, significantly improves the degree of fixation of REACTIVE DYES.
Compared with prior art, its remarkable advantage is: the first in the present invention, can apply in the activity staining procedure of real silk by the REACTIVE DYES of cotton, cotton reactive dye kind is many, chromatogram is complete, cheap, has great advantage for silk dyeing tool; Second, the utilization rate of dyestuff is high, in conventional exhaust process, the degree of fixation of cotton reactive dye only has 50-80%, such as, during active red 3BS (the C.I.reactive red 195) consumption 5% commonly used, degree of fixation only has 65%, and degree of fixation final during active red 3BS (the C.I.reactive red 195) consumption 5% adopting present invention process same is at 92-93%; 3rd, simple to operate, not by the alkali resistance of dyestuff and the impact of solubility during alkali immerging, when selecting REACTIVE DYES not by the solubility of dyestuff and the restriction of alkali resistance; 4th, cloth cover Dry Sack is full even, avoid cold-rolling heap staining Uneven cover, dyeing not thoroughly, the dyeing such as aberration disadvantage end to end; 5th, residual part dye liquor can reuse, and alleviates the burden of sewage disposal, is beneficial to protection and the energy-saving and emission-reduction of environment.In a preferred embodiment of the invention, total fixation efficiency can reach 98%.
Detailed description of the invention
Embodiment 1
Real silk element crepe-back satin
(1) exhaust dyeing: put into by fabric and account for the dye liquor that fabric weighs the active red 3BS (Yongguang Chemical Industry Co., Ltd., Taiwan) of 5%; bath raio is 1:40; add glauber salt 10g/L when dye liquor temperature rises to 85 DEG C; keep 85 DEG C to dye 60 minutes; then regulate dye liquor pH to 5 with glacial acetic acid; dye again 20 minutes, discharge opeing, flowing clear water rinses fabric.
Under hot conditions, swelling of fiber, can fully to fibrous inside diffusion while dyestuff fully goes up dyeing silk, and under the short dye of neutral electrolyte, exhaustion rate is high and upper dye is even, and the later stage of dyeing adds glacial acetic acid, under mildly acidic conditions, in real silk-NH 2generation-NH 3 +, and the anion of REACTIVE DYES produces Coulomb attraction, is conducive to dyeing silk fiber on dyestuff, further increases dye-uptake.In dyeing course part REACTIVE DYES active group base can with in real silk-NH 2form the combination of covalent bond.
(2) instantaneously to pad: the fabric after dyeing is padded, first roll the moisture on fabric, pick-up is 50%, then fabric is immersed working solution and shuts out clot, and pick-up is 70%, package is banked up 8 hours, in working solution, alkaline agent is soda ash 3g/L, caustic soda 8g/L, glauber salt 10g/L, the speed of pressure roller is 20m/min.
Fabric is rapid again after entering rapidly working solution to be shut out through second pressure roller, and in working solution, the time of staying is very short, and the phenomenon that on fabric, REACTIVE DYES comes off can not occur, dyestuff after alkali immerging cold dome, in fibroin-OH ionization generation-O -, can nucleophilic addition be produced with the ethene sulfuryl in REACTIVE DYES or produce nucleophilic substitution with a chloro-s-triazine active group, generate the combination of covalent bond.Even if the ionic bond fracture between dyestuff and fiber, but be still adsorbed on fiber because not being in REACTIVE DYES among solution, in the basic conditions, and fiber generates more firmly covalent bonds, so degree of fixation is very high, COLOR FASTNESS is also fine.
(3) wash: the fabric after padding is entered dye jigger and washes, first fabric flowing clear water is washed, then fully wash away with 60 DEG C of warm water the alkaline agent that cloth cover remains, then use alkaline agent and the loose colour of 80 DEG C of abundant eccysis cloth covers of hot water.
Testing result:
Total fixation efficiency 92%, from far away higher than 63% of regular activated dyeing technique.
Acidproof perspiration fastness, former state variable color 4 grades, cotton staining 4-5 level, silk staining 4-5 level
Alkaline-resisting perspiration fastness, former state variable color 4 grades, cotton staining 4-5 level, silk staining 4-5 level
Embodiment 2:
Real silk element crepe-back satin
(1) dye gigging dyeing:
Put into by fabric and account for the dye liquor that fabric weighs the reactive scarlet BF-2GF (Jin Sheng chemical plant, the Land of Peach Blossoms, Wujiang) of the active red DS-3B (Jin Sheng chemical plant, the Land of Peach Blossoms, Wujiang) and 1% of 6%; bath raio is 1:3; add glauber salt 21g/L when dye liquor temperature rises to 90 DEG C; keep 90 DEG C to dye 150 minutes; then regulate dye liquor pH to 6 with glacial acetic acid; dye 30 minutes, discharge opeing again, flowing clear water rinses fabric.
(2) instantaneously to pad: the fabric after dyeing is padded, first roll the moisture on fabric, pick-up is 60%, then fabric is immersed working solution and shut out clot, pick-up is 80%, and package is banked up 15 hours, in working solution, alkaline agent is soda ash 3g/L, caustic soda 2g/L, and the speed of pressure roller is 30m/min.
(3) wash: enter dye jigger, first wash with flowing clear water, then fully wash away the residual alkaline agent of cloth cover with 70 DEG C of warm water, then use alkaline agent and the loose colour of 90 DEG C of abundant eccysis cloth covers of hot water.
Testing result:
Total fixation efficiency 91%, from far away higher than 68% of regular activated dyeing technique.
Acidproof perspiration fastness, former state variable color 4 grades, cotton staining 4-5 level, silk staining 4-5 level
Alkaline-resisting perspiration fastness, former state variable color 4 grades, cotton staining 4-5 level, silk staining 4-5 level
Embodiment 3
Real silk element crepe-back satin
(1) dye gigging dyeing:
Put into by fabric and account for the dye liquor that fabric weighs the reactive scarlet BF-2GF (Jin Sheng chemical plant, the Land of Peach Blossoms, Wujiang) of the active red DS-3B (Jin Sheng chemical plant, the Land of Peach Blossoms, Wujiang) and 5% of 5%; bath raio is 1:2; add glauber salt 30g/L when dye liquor temperature rises to 98 DEG C; keep 98 DEG C to dye 180 minutes; then regulate dye liquor pH to 7 with glacial acetic acid; dye 40 minutes, discharge opeing again, flowing clear water rinses fabric.
(2) instantaneously to pad: the fabric after dyeing is padded, first roll the moisture on fabric, pick-up is 70%, then fabric is immersed working solution and shuts out clot, and pick-up is 90%, package is banked up 20 hours, in working solution, alkaline agent is soda ash 20g/L, caustic soda 10g/L, glauber salt 20g/L, the speed of pressure roller is 40m/min.
(3) wash: enter dye jigger, first wash with flowing clear water, then fully wash away the residual alkaline agent of cloth cover with 50 DEG C of warm water, then use alkaline agent and the loose colour of 100 DEG C of abundant eccysis cloth covers of hot water.
Testing result:
Total fixation efficiency 95%, from far away higher than 56% of regular activated dyeing technique.
Acidproof perspiration fastness, former state variable color 4 grades, cotton staining 4-5 level, silk staining 4-5 level.
Alkaline-resisting perspiration fastness, former state variable color 4 grades, cotton staining 4-5 level, silk staining 4-5 level.
Embodiment 4:
Real silk element crepe-back satin
(1) dye gigging dyeing:
Put into by fabric and account for the dye liquor that fabric weighs the reactive scarlet BF-2GF (Jin Sheng chemical plant, the Land of Peach Blossoms, Wujiang) of the active red DS-3B (Jin Sheng chemical plant, the Land of Peach Blossoms, Wujiang) and 2% of 3%; bath raio is 1:3; add glauber salt 25g/L when dye liquor temperature rises to 93 DEG C; keep 93 DEG C to dye 120 minutes; then regulate dye liquor pH to 6 with glacial acetic acid; dye 25 minutes, discharge opeing again, flowing clear water rinses fabric.
(2) instantaneously to pad: the fabric after dyeing is padded, first roll the moisture on fabric, pick-up is 60%, then fabric is immersed working solution and shut out clot, pick-up is 90%, and package is banked up 14 hours, in working solution, alkaline agent is soda ash 8g/L, and caustic soda 6g/L and glauber salt 8g/L, the speed of pressure roller is 32m/min.
(3) wash: enter dye jigger, first wash with flowing clear water, then fully wash away the residual alkaline agent of cloth cover with 60 DEG C of warm water, then use alkaline agent and the loose colour of 88 DEG C of abundant eccysis cloth covers of hot water.
Testing result:
Total fixation efficiency 98%, from far away higher than 61% of regular activated dyeing technique.
Acidproof perspiration fastness, former state variable color 4 grades, cotton staining 4-5 level, silk staining 4-5 level
Alkaline-resisting perspiration fastness, former state variable color 4 grades, cotton staining 4-5 level, silk staining 4-5 level

Claims (4)

1. a reactive dyeing process for the dark heavy colour of real silk, is characterized in that: comprise the following steps:
Staining procedure: fabric is put into the dye liquor adopting REACTIVE DYES preparation, dye liquor is warming up to 85 ~ 98 DEG C, then adds glauber salt, after keeping 85 ~ 98 DEG C to dye 60 ~ 180 minutes, regulate dye liquor pH to 5 ~ 7, continue dyeing 20 ~ 40 minutes, discharge opeing, flowing clear water rinses;
Instantaneously pad step: padded by the fabric after dyeing, first roll the moisture on fabric, pick-up is 50% ~ 70%, then fabric is immersed working solution and shut out clot, pick-up is 70 ~ 90%, and package is banked up 8 ~ 20 hours, wherein, the speed of pressure roller is 20 ~ 40m/min, and working solution comprises alkaline agent 5 ~ 30g/L and glauber salt 0 ~ 20g/L;
Water-washing step: the fabric after padding is entered dye jigger and washes, first fabric flowing clear water is washed, then use 50 ~ 70 DEG C of Warm Wash, finally use 80-100 DEG C of hot water wash again.
2. the reactive dyeing process of the dark heavy colour of real silk according to claim 1, is characterized in that: described in the alkaline agent padded in step be sodium silicate, sodium phosphate, NaOH, sodium bicarbonate, sodium carbonate, potash, mixture for one or both or three kinds of alkaline agent.
3. the reactive dyeing process of the dark heavy colour of real silk according to claim 1, is characterized in that: the weight of the REACTIVE DYES in described staining procedure is 5% ~ 10% of fabric weight.
4. the dark heavy colour reactive dyeing process of real silk according to claim 1, is characterized in that: the concentration of the glauber salt in described staining procedure is 10 ~ 30 g/L.
CN201310626389.6A 2013-12-02 2013-12-02 The reactive dyeing process of the dark heavy colour of a kind of real silk Active CN103669045B (en)

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CN105274869B (en) * 2015-11-06 2018-05-18 山东如意数码科技印染有限公司 A kind of reactive dye band wax printing dyeing method and low give liquid padding machine

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CN1928186A (en) * 2006-09-29 2007-03-14 浙江理工大学 Silk cold rolling and piling method
CN101260621B (en) * 2008-04-15 2010-06-09 达利(中国)有限公司 Process for cotton reactive dye applying in silk broadcloth dying
CN102154847A (en) * 2010-12-14 2011-08-17 江苏华佳丝绸有限公司 Dye liquor for silk fabric and dyeing process

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Effective date of registration: 20160217

Address after: 226300 Jiangsu city of Nantong province Tongzhou District Industrial Park building sun Zhihao

Patentee after: JIANGSU GOLDSUN TEXTILE TECHNOLOGY CO., LTD.

Address before: 226300 Jiangsu city of Nantong province Tongzhou District Industrial Park building sun Zhihao

Patentee before: Jiangsu gold Cloth capable of reflecting sun infrared and ultraviolet rays industry Co., Ltd