CN104233866A - Method for cation modification and salt-free dyeing of cellulose fiber fabric - Google Patents
Method for cation modification and salt-free dyeing of cellulose fiber fabric Download PDFInfo
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- CN104233866A CN104233866A CN201410474887.8A CN201410474887A CN104233866A CN 104233866 A CN104233866 A CN 104233866A CN 201410474887 A CN201410474887 A CN 201410474887A CN 104233866 A CN104233866 A CN 104233866A
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Abstract
The invention discloses a method for cation modification and salt-free dyeing of a cellulose fiber fabric. The method comprises the steps as follows: preparing a high-polymer cation modifier aqueous solution with soft water, adding the cellulose fiber fabric, then adding NaOH, exerting pressure, heating the solution for a thermostatic reaction, performing cooling and pressure relief, discharging the modifying solution, and performing washing to obtain a cation-modified fabric; placing the cation-modified fabric in a dyeing machine, adding the soft water, sequentially dissolving reactive dye and sodium carbonate with return water, injecting the reactive dye and the sodium carbonate into the dyeing machine, heating the dyeing machine to the dyeing temperature, keeping the temperature, discharging a residual dyeing solution, and dehydrating and drying the fabric after a washing-soaping-washing process to obtain the salt-free low-alkaline dyed fabric. With the adoption of the method, salt-free low-alkali dyeing is realized, the problems of dyeing defects, color sinking and ring dyeing as well as reduction of the color fastness when cellulose fiber fabrics modified by high-polymer cation modifiers are dyed with reactive dyes are solved, a leveling agent is not required to be added during dyeing, the sodium carbonate and the dye can be added into a dyeing vat simultaneously, the sodium carbonate is not required to be added repeatedly during dyeing, and the dyeing operation is simple and easy to control.
Description
Technical field
The invention belongs to cellulose base fiber fabric reactive dye salt-free colouring art, particularly the method for the cation-modified and salt-free dyeing of a kind of cellulose base fiber fabric.
Technical background
REACTIVE DYES is dye most widely used in cellulose base fiber fabric dyeing.But with REACTIVE DYES contaminating in the process of cellulose base fiber fabric, in order to overcome electric charge obstacle during fibers adsorption dyestuff, need to add a large amount of inorganic salts, according to different color depth requirements, salinity is approximately 40-150g/L.At present, ripe to the organic treatment technology in dyeing waste water, but be a great problem of puzzlement industry to the process of inorganic salts always, the inorganic salts that a large amount of recovery difficult cannot be degraded greatly again enter rivers and lakes, severe contamination water quality, and make soil property salinization of soil around, cause a series of serious environmental problem.In order to address this problem, need to carry out cation-modified to cellulose fibre or REACTIVE DYES.
Carry out cation-modified to cellulose fibre, comprise physical modification and chemical modification.Modifier used is mainly divided into two large classes: macromolecule cation modifier and Small molecular cation modifier.The substantivity of Small molecular cation modifier is poor, and consumption is large, facile hydrolysis, poor heat stability; Macromolecule cation modifier can solve the disadvantage of small molecule-modified dose, and its substantivity is good, and consumption is little, good stability.But macromolecule cation modifier poor permeability, be difficult to penetrate into fibrous inside, modified through it, CATION is mainly present in textile surface, when dyeing, due to the CATION that fiber sheath is abundant, dyeing speed is fast, fabric fibre top layer dyestuff is many and fibrous inside dyestuff is few, thus occurs the phenomenons such as look flower, ring dye and look heavy, and COLOR FASTNESS also has larger decline.
Summary of the invention
The object of this invention is to provide the method for the problems such as a kind of look existed in salt-free dyeing for solving macromolecule cation agent modified cellulose fibre fabric is spent, ring dye, look sink.With described method modified cellulose fibre fabric, under salt-free low alkali condition, when using reactive dyeing, without the need to adding levelling agent, having no look flower, ring contaminates, look sinks problem, and very little on the impact of COLOR FASTNESS.
The present invention is achieved through the following technical solutions:
A method for the cation-modified and salt-free dyeing of cellulose base fiber fabric, described method comprises the steps:
(1) cellulose base fiber fabric is cation-modified: the macromolecule cation modifier aqueous solution with soft water compound concentration being 3 ~ 20g/L, by bath raio be: 1:7 ~ 1:25 adds cellulose base fiber fabric, add 0 ~ 10g/L NaOH again, apply 0.2 ~ 0.5MPa pressure, from room temperature, be warming up to 65 DEG C ~ 90 DEG C with the speed being not more than 1.5 DEG C/min, isothermal reaction 20 ~ 60min, cooling release, discharge modification liquid, the pH value being washed to exudate is 7 ~ 8, obtains cation-modified fabric;
(2) dyeing of cation-modified fabric: the cation-modified fabric that step (1) is obtained is placed in dyeing machine, soft water is added, bath raio 1:8 ~ 1:20, then with recirculation water successively lytic activity dyestuff and soda ash under room temperature, inject dyeing machine, temperature is risen to dyeing temperature 60-80 DEG C, constant temperature keeps 30 ~ 60min, discharge dyeing residual liquid, fabric is through wash-soaping-washing, dehydration, dries, obtains salt-free low alkali DYED FABRICS.
In said method, in step (1), the lyonium ion modifier in described macromolecule cation modifier aqueous solution is one or more in cationic starch, polyepichlorohydrin amine compound, Polyamide-Polyamsne-Epichlorohydrin, cationic polyacrylamide, poly-(4-vinylpyridine) quarternary ammonium salt compound, polyamine class dendritic macromole.
In said method, in step (1), described cellulose base fiber fabric is one or more the fibrous fabrics in cotton, viscose, model, sky silk.
In said method, in step (2), REACTIVE DYES used is halo s-triazine type, Vinyl-Sulfone Type list active base dye and multi-active base dyestuff.
Adopt the advantage of present invention process:
1, the method that pressurization and control programming rate slowly heat up is adopted during modification, improve permeability and the uniformity of macromolecule cation modifier, make it penetrate into the inside of cellulose fibre, ensure that fabric fibre inside obtains good modified effect, the modification of fiber ectonexine is even.
2, salt-free low alkali dyeing is achieved.Further, during dyeing, uniform Color can be obtained without the need to adding levelling agent, colourless flower, look are heavy, the dyeing disadvantage such as ring dye, product COLOR FASTNESS is good.
3, during dyeing, soda ash at room temperature can add dye vat with dyestuff the same period, and without the need in dyeing course, a point several adds soda ash, makes dying operation simple and easy to control.
Detailed description of the invention
Do specifically to describe in detail further to the present invention below in conjunction with specific embodiment, but embodiments of the present invention are not limited thereto, for the technological parameter do not indicated especially, can refer to routine techniques and carry out.
Embodiment 1
The salt-free low alkali dyeing of all-cotton knitting cloth.Concrete steps are:
(1) modification of all-cotton knitting cloth: modifier be cationic starch and Ju Huan oxygen Lv Bing Wan ?dimethylamine, the two mass ratio is 7:3, and being mixed with concentration with soft water is 12g/L, be 1:10 according to bath raio, add wherein by pure cotton cloth after mixing, then add NaOH, its concentration is 1.8g/L.Apply 0.4MPa pressure, with the programming rate of 1.0 DEG C/min, temperature is risen to 75 DEG C, isothermal reaction 30min.Release, temperature is down to after below 60 DEG C and is discharged modification liquid, and being washed to exudate pH value is 7.5, obtains cation-modified COTTON FABRIC.
(2) dye: the modification cotton that (1) is obtained is placed in dyeing machine, add soft water; bath raio is 1:10; to be dissolved by dyestuff with recirculation water and inject dyeing machine; dyestuff prescription is: active yellow WH-3R150%:0.36%owf; active red WH-3B150%:0.7%owf, reactive black WH-B:2.25%owf, Active blue FN-R:0.4%owf; Then Na is dissolved with recirculation water
2cO
3and inject dyeing machine, Na
2cO
3concentration 5g/L, rises to 60 DEG C by dye liquor temperature, at 60 DEG C of constant temperature dyeing 60min, and discharge dyeing residual liquid; Processing industry water washing, room temperature, wash time 10min, discharges cleaning solution; Pickling, mordant is glacial acetic acid, and concentration is 0.6g/L, room temperature pickling 10min discharge opeing; Room temperature washing 10min discharge opeing; Soap, soaping agent is a conduit made of long bamboo oil ND, and concentration is 1g/L, 95 DEG C of 10min that soap, and is cooled to less than 60 DEG C and discharges liquid of soaping; Discharge opeing after room temperature twice washing again, DYED FABRICS goes out cylinder, through dehydration, 130 DEG C of oven dry, obtains salt-free low alkali DYED FABRICS.
Comparative example 1
Traditional Method dyeing (having salt dyeing) of all-cotton knitting cloth.Concrete steps are:
Adopting traditional has salt dyeing method, and dyestuff prescription, dye liquor concentration, bath raio are identical with embodiment 1 with dyeing machine used, and the material of cloth is identical with embodiment 1 with specification, and cloth is without cation-modified.Dyeing is: unmodified cotton is placed in dyeing machine, injects soft water, injects dyeing machine by recirculation water dissolving dye, and point add glauber salt 3 times after 20 minutes, interval time is 15 minutes, the total concentration of glauber salt is 72g/L; Divide 3 times again and add Na
2cO
3, interval time is 15 minutes, Na
2cO
3total concentration is 35g/L; Then be warming up to 60 DEG C with the speed of 1.0 DEG C/min, keep constant temperature 60 minutes, discharge dyeing residual liquid.Enter industry water washing, room temperature, washing time 10min, discharges cleaning solution after washing; Pickling, mordant is glacial acetic acid, and concentration is 1g/L, room temperature pickling 10min discharge opeing; Room temperature washing 10min discharge opeing; Soap, soaping agent is a conduit made of long bamboo oil ND, and concentration is 1g/L, 95 DEG C of 10min that soap, and be cooled to less than 60 DEG C and discharge soap liquid then discharge opeing after room temperature twice washing, DYED FABRICS goes out cylinder, through dehydration, 130 DEG C of oven dry, obtains Traditional Method DYED FABRICS.
Embodiment 2
The salt-free low alkali dyeing of cotton/model knitted cloth.Concrete steps are:
(1) cotton/model (60/40) plain modification: modifier is cationic polyacrylamide, being mixed with concentration with soft water is 6g/L; bath raio is 1:18; add wherein by fabric after mixing; apply 0.5MPa pressure; with the programming rate of 1.0 DEG C/min, temperature is risen to 70 DEG C, isothermal reaction 40min.Release, temperature is down to less than 60 DEG C and is discharged modification liquid, and being washed to exudate pH value is 7, obtains cationic modified cotton/modal fabric.
(2) dye: modification cotton/modal fabric that (1) is obtained is arranged in dyeing machine, add soft water; bath raio is 1:7; to be dissolved by dyestuff with recirculation water and inject dyeing machine; dyestuff prescription is: active yellow HF-4GL150%:0.8%owf; reactive turquoise blue FG150%:2.6%owf, Active blue FN-R:0.12%owf; Then Na is dissolved with recirculation water
2cO
3and inject dyeing machine, Na
2cO
3concentration 3g/L, rises to 60 DEG C by dye liquor temperature, at 60 DEG C of constant temperature dyeing 50min, and discharge dyeing residual liquid; Enter industry water washing room temperature, washing time 10min, discharges cleaning solution after washing; Pickling, mordant is glacial acetic acid, and concentration is 0.5g/L, room temperature pickling 10min discharge opeing; Room temperature washing 10min discharge opeing; Soap, soaping agent is a conduit made of long bamboo oil ND, and concentration is 1g/L, 95 DEG C of 10min that soap, and is cooled to less than 60 DEG C and discharges liquid of soaping; Discharge opeing after room temperature twice washing again, DYED FABRICS goes out cylinder, through dehydration, 130 DEG C of oven dry, obtains the cotton/modal fabric of salt-free low alkali dyeing.
Comparative example 2
Traditional Method dyeing (having salt dyeing) of cotton/model knitted cloth.Concrete steps are:
Adopting traditional has salt dyeing method, and dyestuff prescription, dye liquor concentration, bath raio are identical with embodiment 2 with dyeing machine used, and the material of fabric is identical with embodiment 2 with specification, and fabric is without cation-modified.Dyeing is: unmodified cotton/modal fabric is placed in dyeing machine, injects soft water, injects dyeing machine by recirculation water dissolving dye, divide after 20 minutes and add glauber salt 3 times, interval time is 15 minutes, and the total concentration of glauber salt is 63g/L, then divides 3 times to add Na
2cO
3, interval time is 15 minutes, Na
2cO
3total concentration is 21g/L; Then be warming up to 60 DEG C with the speed of 1.0 DEG C/min, keep constant temperature 50 minutes, discharge dyeing residual liquid; Enter industry water washing room temperature, washing time 10min, discharge opeing after washing; Pickling, mordant is glacial acetic acid, and concentration is 1g/L, room temperature pickling 10min discharge opeing; Room temperature washing 10min discharge opeing; Soap, soaping agent is a conduit made of long bamboo oil ND, and concentration is 1g/L, 95 DEG C of 10min that soap, and is cooled to less than 60 DEG C and discharges liquid of soaping; Discharge opeing after room temperature twice washing again, DYED FABRICS goes out cylinder, through dehydration, 130 DEG C of oven dry, obtains the cotton/modal fabric of Traditional Method dyeing.
Embodiment 3
The salt-free low alkali dyeing of whole day silk plain.Concrete steps are:
(1) whole day silk plain modification: modifier be Ju Huan oxygen Lv Bing Wan ?dimethylamine, being mixed with concentration with soft water is 3g/L, and bath raio is 1:15, adds wherein, then add NaOH after mixing by fabric, and its concentration is 1.5g/L.Apply 0.3MPa pressure, with the programming rate of 1.5 DEG C/min, temperature is risen to 85 DEG C, isothermal reaction 25min.Release, temperature is down to less than 60 DEG C and is discharged modification liquid, and being washed to exudate pH value is 8, obtains cation-modified Tencel fabric.
(2) dye: the modification Tencel fabric that (1) is obtained is placed in dyeing machine, add soft water; bath raio is 1:10; to be dissolved by dyestuff with recirculation water and inject dyeing machine; dyestuff prescription is: active yellow HF-4GL150%:0.22%owf; reactive turquoise blue FG150%:1.8%owf, the blue 2GN:0.89%owf of active army; Then Na is dissolved with recirculation water
2cO
3and inject dyeing machine, Na
2cO
3concentration 3g/L, rises to 60 DEG C by dye liquor temperature, at 60 DEG C of constant temperature dyeing 40min, and discharge dyeing residual liquid.Enter industry water washing room temperature, washing time 10min, discharges cleaning solution after washing; Pickling, mordant is glacial acetic acid, and concentration is 0.5g/L, room temperature pickling 10min discharge opeing; Room temperature washing 10min discharge opeing; Soap, soaping agent is a conduit made of long bamboo oil ND, and concentration is 1g/L, 95 DEG C of 10min that soap, and is cooled to less than 60 DEG C and discharges liquid of soaping; Discharge opeing after room temperature twice washing again, DYED FABRICS goes out cylinder, through dehydration, 130 DEG C of oven dry, obtains the whole day silk fabrics of salt-free low alkali dyeing.
Comparative example 3
Traditional Method dyeing (having salt dyeing) of whole day silk plain.Concrete steps are:
Adopting traditional has salt dyeing method, and dyestuff prescription, dye liquor concentration, bath raio are identical with embodiment 3 with dyeing machine used, and the material of cloth is identical with embodiment 3 with specification, and whole day silk plain is without cation-modified.Dyeing is: unmodified Tencel fabric is placed in dyeing machine, injects soft water, injects dyeing machine by recirculation water dissolving dye, and point add glauber salt 3 times after 20 minutes, interval time is 15 minutes, the total concentration of glauber salt is 57g/L; Divide 3 times again and add Na
2cO
3, interval time is 15 minutes, Na
2cO
3total concentration is 18g/L, is then warming up to 60 DEG C with the speed of 1.0 DEG C/min, keeps constant temperature 40 minutes, discharge dyeing residual liquid.Enter industry water washing room temperature, washing time 10min, discharges cleaning solution after washing; Pickling, mordant is glacial acetic acid, and concentration is 1g/L, room temperature pickling 10min discharge opeing; Room temperature washing 10min discharge opeing; Soap, soaping agent is a conduit made of long bamboo oil ND, and concentration is 1g/L, 95 DEG C of 10min that soap, and is cooled to less than 60 DEG C and discharges liquid of soaping; Discharge opeing after room temperature twice washing again, DYED FABRICS goes out cylinder, through dehydration, 130 DEG C of oven dry, obtains the whole day silk plain of Traditional Method dyeing.
Adopt above-described embodiment 1-3 that method of the present invention is carried out, without the need to salt adding in dye liquor, alkali consumption comparatively conventional method is low, and cloth cover color is even, and colourless colored phenomenon, dye-uptake is higher than conventional coloring method.Meanwhile, washing fastness, crock fastness and color fastness to light are suitable with conventional method, and modification of and coloration does not cause the drawbacks such as COLOR FASTNESS reduction.The result of embodiment 1-3 and comparative example 1-3 is as table 1.
Wherein, correlated performance method of testing standard is as follows.
REACTIVE DYES dye-uptake is tested with reference to the method for GB/T2391-2006.
The test of dry fastness, fastness to wet rubbing all adopts GB/T3920-2008 standard testing, and washing fastness adopts GB/T3921-2008 standard testing, and color fastness to light adopts GB/T8427-2008 standard testing.
Table 1
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (4)
1. a method for the cation-modified and salt-free dyeing of cellulose base fiber fabric, it is characterized in that, described method comprises the steps:
(1) cellulose base fiber fabric is cation-modified: the macromolecule cation modifier aqueous solution with soft water compound concentration being 3 ~ 20 g/L, by bath raio be: 1:7 ~ 1:25 adds cellulose base fiber fabric, add 0 ~ 10g/L NaOH again, apply 0.2 ~ 0.5MPa pressure, from room temperature, be warming up to 65 DEG C ~ 90 DEG C with the speed being not more than 1.5 DEG C/min, isothermal reaction 20 ~ 60min, cooling release, discharge modification liquid, the pH value being washed to exudate is 7 ~ 8, obtains cation-modified fabric;
(2) dyeing of cation-modified fabric: the cation-modified fabric that step (1) is obtained is placed in dyeing machine, soft water is added, bath raio 1:8 ~ 1:20, then with recirculation water successively lytic activity dyestuff and soda ash under room temperature, inject dyeing machine, temperature is risen to dyeing temperature 60-80 DEG C, constant temperature keeps 30 ~ 60min, discharge dyeing residual liquid, fabric is through wash-soaping-washing, dehydration, dries, obtains salt-free low alkali DYED FABRICS.
2. the method for the cation-modified and salt-free dyeing of cellulose base fiber fabric as claimed in claim 1, it is characterized in that, in step (1), the lyonium ion modifier in described macromolecule cation modifier aqueous solution is one or more in cationic starch, polyepichlorohydrin amine compound, Polyamide-Polyamsne-Epichlorohydrin, cationic polyacrylamide, poly-(4-vinylpyridine) quarternary ammonium salt compound, polyamine class dendritic macromole.
3. the method for the cation-modified and salt-free dyeing of cellulose base fiber fabric as claimed in claim 1, it is characterized in that, in step (1), described cellulose base fiber fabric is one or more the fibrous fabrics in cotton, viscose, model, sky silk.
4. the method for the cation-modified and salt-free dyeing of cellulose base fiber fabric as claimed in claim 1, it is characterized in that, in step (2), REACTIVE DYES used is halo s-triazine type, Vinyl-Sulfone Type list active base dye and multi-active base dyestuff.
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| CN105239381A (en) * | 2015-10-22 | 2016-01-13 | 江南大学 | Method for improving dyeing property and mold resistance of hemp fiber |
| CN105386337A (en) * | 2015-12-14 | 2016-03-09 | 唐晓琦 | Acidic dye dyeing method of modified viscose fibers |
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| CN106758212A (en) * | 2016-12-12 | 2017-05-31 | 上海雅运纺织助剂有限公司 | A kind of modification nonwoven cloth and its preparation and application |
| CN108166258A (en) * | 2017-12-29 | 2018-06-15 | 罗莱生活科技股份有限公司 | A kind of salt-free dyeing method of cation-modified cotton fabric |
| CN108360257A (en) * | 2018-02-06 | 2018-08-03 | 恒天海龙（潍坊）新材料有限责任公司 | A kind of preparation method of cation-modified viscose rayon |
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| CN110204710A (en) * | 2019-06-04 | 2019-09-06 | 浙江九沐兰科技有限公司 | A kind of preparation method and application of the dendroid polyamines cationoid modifying agent of dynamics model |
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| CN105239381A (en) * | 2015-10-22 | 2016-01-13 | 江南大学 | Method for improving dyeing property and mold resistance of hemp fiber |
| CN105386337A (en) * | 2015-12-14 | 2016-03-09 | 唐晓琦 | Acidic dye dyeing method of modified viscose fibers |
| CN105603782A (en) * | 2016-01-29 | 2016-05-25 | 佛山市聚成生化技术研发有限公司 | Dyeing method of cellulosic fiber fabric |
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| CN106120299B (en) * | 2016-06-23 | 2019-06-28 | 广东溢达纺织有限公司 | Cation-modified fabric and preparation method thereof |
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