CN104746361A - Non-aqueous solvent dyeing method of washing-free reactive dye - Google Patents
Non-aqueous solvent dyeing method of washing-free reactive dye Download PDFInfo
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Abstract
The invention provides a non-aqueous solvent dyeing method of a washing-free reactive dye. The non-aqueous solvent dyeing method comprises the following steps: 1. carrying out full swelling on loose fibers, yarns, fabric or garments in a water solution of alkaline substances, controlling the take-up rate and drying; 2. mixing the dried loose fibers, yarns, fabric or garments with a reactive dye and a good solvent of the reactive dye to form a mixing system, heating the mixing system, adding a poor solvent of the reactive dye to the mixing system before heating or in the heating process, heating to dyeing temperature and then carrying out heat preservation; and 3. carrying out heat preservation on the loose fibers, yarns, fabric or garments treated in the step 2 in the non-polar or weak-polar poor solvent of the reactive dye containing a cation reagent, drying and thus finishing dyeing. According to the method, the loose fibers, yarns, fabric or garments can be completely dyed or subjected to fixation by the reactive dye, and do not need to be washed and neutralized after being dyed, so that the dyeing cycle is short and the energy consumption is low.
Description
Technical field
The present invention relates to a kind of colouring method of REACTIVE DYES, particularly a kind of method of Non-water washing REACTIVE DYES non-aqueous solvent dyeing, belongs to textile dyeing and finishing technical field.
Background technology
The dyeing great majority of current reactive bulk fibre, yarn, fabric or ready-made clothes are the REACTIVE DYES adopted, due to the hydrolysis of active group in aqueous medium in dyeing course, not only cause the waste of a large amount of REACTIVE DYES, and need consume a large amount of water and discharge a large amount of reluctant high chroma sewage in dyeing course, this is also the bottleneck that REACTIVE DYES exists all the time.
In order to avoid the hydrolysis of REACTIVE DYES, improve the utilization rate of REACTIVE DYES, scientists is being noted very early and have studied the dyeing of REACTIVE DYES in non-aqueous media.Adopt the advantage of non-aqueous media dyeing to be that REACTIVE DYES can not be hydrolyzed in dyeing course, the extent of reaction of REACTIVE DYES and bulk fibre, yarn, fabric or ready-made clothes can be improved.But simultaneously, adopt non-aqueous media dyeing also to there is more problem always, mainly comprise the dissolubility of REACTIVE DYES in non-aqueous media, bulk fibre, yarn, fabric or the Swelling Capacity of ready-made clothes in non-aqueous media, the fixation alkaline agent solubility in non-aqueous media and the level-dyeing property, through-dyeing etc. of dyeing.Although REACTIVE DYES dyes and there is many difficult points in non-aqueous media, present stage use water cost raise gradually, and people more and more pay attention to environmental protection, and the dyeing of REACTIVE DYES non-aqueous media also more and more receives publicity with its good application prospect.
The eighties in last century, India's textile technology research institute adopted dimethyl formamide lytic activity dyestuff C.I. active red 12, and add trichloro-ethylene in batches and be incubated 1h being warming up in 80 DEG C of processes, dyestuff is completely upper dye almost, and degree of fixation is 84%.Though the method provides a good solvent dyeing thinking, it is little that degree of fixation compares advantage than conventional coloring method, and still need a large amount of water to carry out high temperature after dyeing and to soap removal loose colour, prospects for commercial application is little, is therefore further developed.
Solvent reverse micelle decoration method is a kind of novel non-aqueous solvent dyeing technique in recent years occurred, this technique is that reverse micelle system bulk fibre, yarn, fabric or ready-made clothes or fabric being placed in the aqueous dye solutions of solubilising high concentration dyes, greatly reduce compared with dyeing institute water consumption dyes with traditional water bath, a kind of novel water saving dyeing of can yet be regarded as.But there is following problem in reverse micelle dyeing: 1, the large usage quantity of system internal surfactants and cosurfactant, a large amount of surfactants and the consumption of auxiliary agent cause cloth specimen adsorbing a large amount of surfactants and auxiliary agent in dyeing course, can cause post processing difficulty, higher, the environmental pollution of COD value of waste water of soaping and certain wasting of resources equally; 2, the affinity of high concentration aqueous dye solutions to bulk fibre, yarn, fabric or ready-made clothes owing to disperseing in dicyandiamide solution is high, and therefore dyestuff dyeing speed is fast, wayward, easy dyeing flower; 3, during dyeing, first bulk fibre, yarn, fabric or ready-made clothes need to pad certain density aqueous sodium carbonate, and enter dye with certain liquid rate for the treatment of, the water existed in system can cause the hydrolysis of dyestuff equally, and therefore, its degree of fixation is lower.
In order to overcome reverse micelle system dyeing drawback, Yida Textile Co., Ltd and Institutes Of Technology Of Zhejiang have developed again organic solvent suspension system cooperatively to realize the dyeing of REACTIVE DYES.REACTIVE DYES and a certain amount of dispersant are scattered in organic solvent system by ball milling by this dyeing, realize the upper dye to bulk fibre, yarn, fabric or ready-made clothes under certain dyeing condition.The dispersant adopted in this dyeing is only 0.15 times of dye dosage, and the dye-uptake of dyestuff can reach nearly 100%, fully demonstrate the advantage of non-aqueous solvent dyeing, but equally because the affinity of dye granule to bulk fibre, yarn, fabric or ready-made clothes of disperseing in dicyandiamide solution is high, therefore dyeing speed is fast, easy dyeing flower.
Although REACTIVE DYES non-aqueous solvent dyeing has lot of documents report, but the degree of fixation of REACTIVE DYES is still lower, after dyeing, still need a large amount of water to wash away the remaining loose colour on cotton bulk fibre, yarn, fabric or ready-made clothes, this also just loses non-aqueous solvent dyeing real significance.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of method of Non-water washing REACTIVE DYES non-aqueous solvent dyeing, the method can make REACTIVE DYES on bulk fibre, yarn, fabric or ready-made clothes completely on dye and fixation, and dyeing does not need to carry out washing and neutralizing after terminating, dyeing cycle is short, and energy consumption is low.
For achieving the above object, the invention provides a kind of method of Non-water washing REACTIVE DYES non-aqueous solvent dyeing, the method comprises the following steps:
Step 1: aqueous solution bulk fibre, yarn, fabric or ready-made clothes being placed in alkaline matter carries out fully swelling, controlling its liquid carrying rate is 30-200%, dries;
Step 2: mixed by the bulk fibre after above-mentioned oven dry, yarn, fabric or the ready-made clothes good solvent with REACTIVE DYES, REACTIVE DYES, forms mixed system; Described mixed system is heated up, before heating up or in the process heated up, in described mixed system, adds the poor solvent of REACTIVE DYES, be incubated after being warming up to dyeing temperature; The volume ratio of the good solvent of described REACTIVE DYES and the poor solvent of described REACTIVE DYES is 1:3-20, and the volume of the good solvent of described REACTIVE DYES and the mass ratio of described bulk fibre, yarn, fabric or ready-made clothes are 3-10mL:1g;
Step 3: the poor solvent above-mentioned bulk fibre, yarn, fabric or the ready-made clothes processed through step 2 being placed in the REACTIVE DYES containing the nonpolar of cation reagent or low pole is incubated, dries, completes dyeing; Described cation reagent can dissolve or dispersed in the poor solvent of the REACTIVE DYES of nonpolar or low pole.
In the above-mentioned methods, the consumption of described REACTIVE DYES is not particularly limited, can according to the consumption of the requirement determination dyestuff of actual dye level.Do not need to carry out washing and neutralizing after dyeing terminates.
In the above-mentioned methods, preferably, the material of described bulk fibre, yarn, fabric or ready-made clothes comprises cellulose fibre, protein fibre, the combination of one or more had in the synthetic fiber of reactive group; More preferably, described cellulose fibre comprises the combination of one or more in cotton fiber, flax fibre, viscose; Described protein fibre comprises wool and/or silk; Described reactive group comprises amino, hydroxyl or sulfydryl; Further preferably, the synthetic fiber described in reactive group comprise nylon.
In the above-mentioned methods, preferably, in step 1, described alkaline matter comprises the combination of one or more in sodium carbonate, sodium bicarbonate, NaOH, lithium hydroxide, potassium hydroxide; The concentration of the aqueous solution of described alkaline matter is 5-50g/L; More preferably, the concentration of the aqueous solution of described alkaline matter is 10-20g/L, adopts this preferred concentration range after step 2 terminates, before step 3 beginning, to be 6.0-8.0 by the control of the pH value of bulk fibre, yarn, fabric or ready-made clothes.
In the above-mentioned methods, preferably, in step 2, described dyeing temperature is 80-150 DEG C, is more preferably 110-130 DEG C, when the concentration of the aqueous solution of alkaline matter is above-mentioned concentration, adopts this preferred range that the degree of fixation of dyestuff can be made to reach the highest; Described temperature retention time is 1-3h.
In the above-mentioned methods, preferably, in step 3, the concentration of described cation reagent is 0.1-5g/L; The volume of poor solvent and the mass ratio of bulk fibre, yarn, fabric or ready-made clothes of the REACTIVE DYES of described nonpolar or low pole are 1-20mL:1g.
In the above-mentioned methods, preferably, in step 3, described holding temperature is 30-60 DEG C, and temperature retention time is 10-60min.
In the above-mentioned methods, preferably, the good solvent of described REACTIVE DYES be can lytic activity dyestuff but not with the nonaqueous solvents of REACTIVE DYES generation chemical reaction; More preferably, the good solvent of described REACTIVE DYES is polar solvent; Further preferably, the good solvent of described REACTIVE DYES comprises the combination of one or more in DMF, DMA, dimethyl sulfoxide (DMSO), ionic liquid, alcohol ether solvents.
In the above-mentioned methods, preferably, the poor solvent of described REACTIVE DYES be can not lytic activity dyestuff and not with the nonaqueous solvents of REACTIVE DYES generation chemical reaction; More preferably, the poor solvent of described REACTIVE DYES comprises the combination of one or more in alkane, chloride hydro carbons, alkene, aromatic hydrocarbons, ketones solvent, silanes solvent, esters solvent, ether solvent; Further preferably, the poor solvent of described REACTIVE DYES comprises C
6-C
8n-alkane, C
6-C
8isoparaffin, tetrachloro-ethylene, acetone, oxolane, the combination of one or more in decamethylcyclopentaandoxane.
In the above-mentioned methods, preferably, described cation reagent is Small molecular containing cation group or high molecular polymer, and described cation group comprises primary amine groups, secondary amine, tertiary amine groups or quaternary ammonium salt group.
In the above-mentioned methods, preferably, the general structure of described cation reagent is R
1r
2r
3r
4n
+x
-; Wherein, R
1, R
2, R
3, R
4be respectively-H or-C
nh
2n+1, n=1-18; X is Cl, Br or I; Or,
Described cation reagent is cationic polymer, and its general structure is
Wherein, A is
group, R
5, R
6, R
7be respectively-H or-C
mh
2m+1, m=1-18, Y are Cl, Br or I;
Described B is
or
wherein, R
8for-H or-C
qh
2q+1, q=1-18, p are positive integer, are more preferably the positive integer of 3-7;
Described x, y are respectively different monomers ratio shared in the polymer, and its numerical value is respectively 1-99%, and x+y=100%; More preferably, the numerical value of described x, y is respectively 10-90%.
Technical scheme provided by the invention adopt in solvent dyeing the low alkali dyeing of high temperature effectively control dyeing terminate after bulk fibre, yarn, fabric or ready-made clothes on the content of residual alkaline matter, the pH value of the bulk fibre after dyeing, yarn, fabric or ready-made clothes is neutral, this can produce the beneficial effect of two aspects: after 1, dyeing terminates, and carries out alkaline matter residual on bulk fibre, yarn, fabric or ready-made clothes can being avoided its impact when high temperature evaporation reclaims on the solvent on bulk fibre, yarn, fabric or ready-made clothes; 2, after dyeing terminates, the alkaline matter in coming without the need to adopting extra acid and on bulk fibre, yarn, fabric or ready-made clothes.
For the REACTIVE DYES that incomplete on bulk fibre, yarn, fabric or ready-made clothes and bulk fibre, yarn, fabric or ready-made clothes react, it is worthless for adopting traditional water-soluble cationic auxiliary agent to carry out fixation because dyestuff can dissolve in laking process-be instead stained with phenomenon.Therefore, technical scheme provided by the invention adopts another effective way to improve dye utilization rate: original position fixation method.With non-polar solven be medium come dissolution/dispersion cationic auxiliary to dyeing after bulk fibre, yarn, fabric or ready-made clothes process, because REACTIVE DYES is not dissolved in apolar medium, therefore can not move, also would not cause dyeing flower phenomenon.By original position fixation, dyestuff and cation reagent generation male-female ion coordination, be adsorbed on bulk fibre, yarn, fabric or ready-made clothes with the form in color lake, substantially increase the utilization rate of dyestuff.Meanwhile, the Long carbon chain on cationic auxiliary serves the effect reducing bulk fibre, yarn, fabric or ready-made clothes skin-friction coefficient, and under non-washing conditions, fastness is also very excellent.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and beneficial effect, existing following detailed description is carried out to technical scheme of the present invention, but can not be interpreted as to of the present invention can the restriction of practical range.
Embodiment 1
Present embodiments provide a kind of method of Non-water washing REACTIVE DYES non-aqueous solvent dyeing, it comprises the following steps:
10g pure cotton knitting cloth being impregnated in concentration is carry out swelling in the aqueous sodium carbonate of 10g/L, and then two leachings two are rolled, and controlling liquid carrying rate is 100%, at 60 DEG C, dry 10min;
To be put in dye cup through the pretreated knitted cloth of aqueous sodium carbonate, add (3%o.m.f) AviteraRed SE dyestuff of 0.3g, the dimethyl sulfoxide (DMSO) of 50mL, 50 DEG C enter dye, slowly heat up with the programming rate of 1 DEG C/min, in temperature-rise period, slowly add the tetrachloro-ethylene of 300mL, be warming up to 130 DEG C of insulation 2h;
Take out dyeing cloth specimen, being placed on 50mL concentration is in the tetrachloro-ethylene solution of the Cetyltrimethylammonium bromide of 1g/L, at 40 DEG C, be incubated 30min, takes out, and dries, completes dyeing.
Dyeing cloth specimen method by embodiment 1 obtained carries out two groups of parallel testings: one group of direct test color fastness; Another group is by test dye degree of fixation of soaping, and test result is as shown in table 1.
The performance test results of the knitted cloth of table 1 after the method dyeing of embodiment 1
Embodiment 2
Present embodiments provide a kind of method of Non-water washing REACTIVE DYES non-aqueous solvent dyeing, it comprises the following steps:
Be soaking at room temperature 10min in the sodium carbonate liquor of 15g/L by cotton for 10g/fiber crops (60% cotton+40% fiber crops) blended knitted concentration that is arranged in, one leaching one is rolled, and is controlled to be 100% by liquid carrying rate, then dries, bake out temperature is 60 DEG C, and drying time is 10min;
To be put in dye cup through the pretreated knitted cloth of sodium carbonate liquor, add (3%o.m.f) AviteraOrange SE dyestuff of 0.3g, the N of 50mL, N-dimethylacetylamide, 50 DEG C enter dye, slowly heat up with the programming rate of 1 DEG C/min, in temperature-rise period, slowly add the normal heptane of 300mL, be warming up to 130 DEG C of insulation 2h;
Take out dyeing cloth specimen, being placed on 50mL concentration is in the tetrahydrofuran solution of dimethyldioctadecylammonium ammonium chloride of 1g/L, at 30 DEG C, be incubated 30min, takes out, and dries, completes dyeing.
Dyeing cloth specimen method by embodiment 2 obtained carries out two groups of parallel testings: one group of direct test color fastness; Another group is by test dye degree of fixation of soaping, and test result is as shown in table 2.
The performance test results of the knitted cloth of table 2 after the method dyeing of embodiment 2
Embodiment 3
Present embodiments provide a kind of method of Non-water washing REACTIVE DYES non-aqueous solvent dyeing, it comprises the following steps:
Be soaking at room temperature 10min in the sodium bicarbonate solution of 20g/L by 10g cotton/nylon (70% cotton+30% nylon) the blended knitted concentration that is arranged in, one leaching one is rolled, and is controlled to be 100% by liquid carrying rate, then dries, bake out temperature is 60 DEG C, and drying time is 10min.
To be put in dye cup through the pretreated knitted cloth of sodium bicarbonate solution, add (3%o.m.f) AviteraBlue SE dyestuff of 0.3g, the N of 50mL, dinethylformamide, 50 DEG C enter dye, slowly heat up with the programming rate of 1 DEG C/min, in temperature-rise period, slowly add the n-hexane of 300mL, be warming up to 130 DEG C of insulation 2h;
Take out dyeing cloth specimen, being placed on 40mL concentration is in the acetone soln of the didodecyldimethylammbromide bromide of 1g/L, at 30 DEG C, be incubated 30min, takes out, and dries, completes dyeing.
Dyeing cloth specimen method by embodiment 3 obtained carries out two groups of parallel testings: one group of direct test color fastness; Another group is by test dye degree of fixation of soaping, and test result is as shown in table 3.
The performance test results of the knitted cloth of table 3 after the method dyeing of embodiment 3
Embodiment 4
Present embodiments provide a kind of method of Non-water washing REACTIVE DYES non-aqueous solvent dyeing, it comprises the following steps:
First macromolecule cation polymer is synthesized: with the 1-decene adding 18g in the 100mL there-necked flask of thermometer, agitator and reflux condensing tube, N-allyl-the trimethylammonium bromide of 4g, add 25mL ethyl acetate and 10mL isopropyl alcohol is mixed with clear solution, be warming up to 78 DEG C.Taking 0.04g dibenzoyl peroxide is dissolved in 10mL ethyl acetate, disposablely joins in above-mentioned solution, and be warming up to 87-91 DEG C, cool stand-by after back flow reaction 8h, obtain color-fixing agent A, its structure is as shown in the formula shown in I:
10g pure cotton knitting cloth being impregnated in concentration is carry out swelling in the aqueous sodium carbonate of 10g/L, and then two leachings two are rolled, and controlling liquid carrying rate is 100%, at 60 DEG C, dry 10min;
Knitted cloth through oxygenation pretreatment is put in dye cup, add (3%o.m.f) Avitera Red SE dyestuff of 0.3g, the dimethyl sulfoxide (DMSO) of 50mL, 50 DEG C enter dye, slowly heat up with the programming rate of 1 DEG C/min, in temperature-rise period, slowly add the tetrachloro-ethylene of 300mL, be warming up to 120 DEG C of insulation 2h;
Take out dyeing cloth specimen, being placed on 60mL concentration is in the tetrachloro-ethylene solution of the color-fixing agent A of 2g/L, at 40 DEG C, be incubated 30min, takes out, and dries, completes dyeing.
Dyeing cloth specimen method by embodiment 4 obtained carries out two groups of parallel testings: one group of direct test color fastness; Another group is by test dye degree of fixation of soaping, and test result is as shown in table 4.
The performance test results of the knitted cloth of table 4 after the method dyeing of embodiment 4
Embodiment 5
Present embodiments provide a kind of method of Non-water washing REACTIVE DYES non-aqueous solvent dyeing, it comprises the following steps:
First macromolecule cation polymer is synthesized: with the butyl acrylate adding 16g in the 100mL there-necked flask of thermometer, agitator and reflux condensing tube, N-allyl-the trimethylammonium bromide of 4g, add 25mL ethyl acetate and 10mL isopropyl alcohol is mixed with clear solution, be warming up to 78 DEG C.Taking 0.04g dibenzoyl peroxide is dissolved in 10mL ethyl acetate, disposablely joins in above-mentioned solution, and be warming up to 87-91 DEG C, cool stand-by after back flow reaction 8h, obtain color-fixing agent B, its structure is as shown in the formula shown in II:
10g pure cotton knitting cloth being impregnated in concentration is carry out swelling in the aqueous sodium carbonate of 10g/L, and then two leachings two are rolled, and controlling liquid carrying rate is 100%, at 60 DEG C, dry 10min;
Knitted cloth through oxygenation pretreatment is put in dye cup, add (3%o.m.f) Avitera Orange SE dyestuff of 0.3g, the dimethyl sulfoxide (DMSO) of 50mL, 50 DEG C enter dye, slowly heat up with the programming rate of 1 DEG C/min, in temperature-rise period, slowly add the tetrachloro-ethylene of 300mL, be warming up to 120 DEG C of insulation 2h;
Take out dyeing cloth specimen, being placed on 60mL concentration is in the tetrachloro-ethylene solution of the color-fixing agent B of 2g/L, at 40 DEG C, be incubated 30min, takes out, and dries, completes dyeing.
Dyeing cloth specimen method by embodiment 5 obtained carries out two groups of parallel testings: one group of direct test color fastness; Another group is by test dye degree of fixation of soaping, and test result is as shown in table 5.
The performance test results of the knitted cloth of table 5 after the method dyeing of embodiment 5
Embodiment 6
Present embodiments provide a kind of method of Non-water washing REACTIVE DYES non-aqueous solvent dyeing, it comprises the following steps:
10g purified cotton yarns (36s/2) being impregnated in concentration is carry out swelling in the aqueous sodium carbonate of 10g/L, and then two leachings two are rolled, and controlling liquid carrying rate is 100%, at 60 DEG C, dry 10min;
To be put in dye cup through the pretreated yarn of aqueous sodium carbonate, add (3%o.m.f) AviteraRed SE dyestuff of 0.3g, the N of 50mL, dinethylformamide, 50 DEG C enter dye, slowly heat up with the programming rate of 1 DEG C/min, in temperature-rise period, slowly add the decamethylcyclopentaandoxane of 300mL, be warming up to 130 DEG C of insulation 2h;
Take out dyed yarn, being placed on 50mL concentration is in the tetrachloro-ethylene solution of the Cetyltrimethylammonium bromide of 1g/L, at 40 DEG C, be incubated 30min, takes out, and dries, completes dyeing.
After dyeing, the pH value of yarn is 7.5, and the K/S of yarn is 20.5, and the utilization rate of soap boiling test dye is 99.6%.
From above-described embodiment, the method provided by the embodiment 1-6 product obtained that carries out dyeing has good performance, this illustrates that method provided by the invention is a kind of high colour-fast rate and does not need to carry out the colouring method of the REACTIVE DYES nonaqueous solvents washing neutralization after dyeing, dyefastness is excellent, has extraordinary application prospect.
Claims (10)
1. a method for Non-water washing REACTIVE DYES non-aqueous solvent dyeing, it comprises the following steps:
Step 1: aqueous solution bulk fibre, yarn, fabric or ready-made clothes being placed in alkaline matter carries out fully swelling, controlling its liquid carrying rate is 30-200%, dries;
Step 2: mixed by the bulk fibre after above-mentioned oven dry, yarn, fabric or the ready-made clothes good solvent with REACTIVE DYES, REACTIVE DYES, forms mixed system; Described mixed system is heated up, before heating up or in the process heated up, in described mixed system, adds the poor solvent of REACTIVE DYES, be incubated after being warming up to dyeing temperature; The volume ratio of the good solvent of described REACTIVE DYES and the poor solvent of described REACTIVE DYES is 1:3-20, and the volume of the good solvent of described REACTIVE DYES and the mass ratio of described bulk fibre, yarn, fabric or ready-made clothes are 3-10mL:1g;
Step 3: the poor solvent above-mentioned bulk fibre, yarn, fabric or the ready-made clothes processed through step 2 being placed in the REACTIVE DYES containing the nonpolar of cation reagent or low pole is incubated, dries, completes dyeing; Described cation reagent can dissolve or dispersed in the poor solvent of the REACTIVE DYES of nonpolar or low pole.
2. method according to claim 1, wherein: the material of described bulk fibre, yarn, fabric or ready-made clothes comprises cellulose fibre, protein fibre, the combination of one or more had in the synthetic fiber of reactive group;
Preferably, described cellulose fibre comprises the combination of one or more in cotton fiber, flax fibre, viscose; Described protein fibre comprises wool and/or silk; Described reactive group comprises amino, hydroxyl or sulfydryl;
More preferably, the synthetic fiber described in reactive group comprise nylon.
3. method according to claim 1, wherein: in step 1, described alkaline matter comprises the combination of one or more in sodium carbonate, sodium bicarbonate, NaOH, lithium hydroxide, potassium hydroxide, and the concentration of the aqueous solution of described alkaline matter is 5-50g/L;
Preferably, the concentration of the aqueous solution of described alkaline matter is 10-20g/L.
4. method according to claim 1, wherein: in step 2, described dyeing temperature is 80-150 DEG C, and be preferably 110-130 DEG C, described temperature retention time is 1-3h.
5. method according to claim 1, wherein: in step 3, the concentration of described cation reagent is 0.1-5g/L;
The volume of poor solvent and the mass ratio of bulk fibre, yarn, fabric or ready-made clothes of the REACTIVE DYES of described nonpolar or low pole are 1-20mL:1g.
6. method according to claim 1, wherein: in step 3, described holding temperature is 30-60 DEG C, and temperature retention time is 10-60min.
7. method according to claim 1, wherein, the good solvent of described REACTIVE DYES be can lytic activity dyestuff but not with the nonaqueous solvents of REACTIVE DYES generation chemical reaction;
Preferably, the good solvent of described REACTIVE DYES is polar solvent;
More preferably, the good solvent of described REACTIVE DYES comprises the combination of one or more in DMF, DMA, dimethyl sulfoxide (DMSO), ionic liquid, alcohol ether solvents.
8. method according to claim 1, wherein, the poor solvent of described REACTIVE DYES be can not lytic activity dyestuff and not with the nonaqueous solvents of REACTIVE DYES generation chemical reaction;
Preferably, the poor solvent of described REACTIVE DYES comprises the combination of one or more in alkane, chloride hydro carbons, alkene, aromatic hydrocarbons, ketones solvent, silanes solvent, esters solvent, ether solvent;
More preferably, the poor solvent of described REACTIVE DYES comprises C
6-C
8n-alkane, C
6-C
8isoparaffin, tetrachloro-ethylene, acetone, oxolane, the combination of one or more in decamethylcyclopentaandoxane.
9. method according to claim 1, wherein: described cation reagent is Small molecular containing cation group or high molecular polymer, and described cation group comprises primary amine groups, secondary amine, tertiary amine groups or quaternary ammonium salt group.
10. the method according to claim 1 or 9, wherein: the general structure of described cation reagent is R
1r
2r
3r
4n
+x
-; Wherein, R
1, R
2, R
3, R
4be respectively-H or-C
nh
2n+1, n=1-18; X is Cl, Br or I; Or,
Described cation reagent is cationic polymer, and its general structure is
Wherein, A is
group, R
5, R
6, R
7be respectively-H or-C
mh
2m+1, m=1-18, Y are Cl, Br or I;
Described B is
wherein, R
8for-H or-C
qh
2q+1, q=1-18, p are positive integer, are preferably the positive integer of 3-7;
Described x, y are respectively different monomers ratio shared in the polymer, and its numerical value is respectively 1-99%, and x+y=100%; Preferably, the numerical value of described x, y is respectively 10-90%.
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| CN105332301A (en) * | 2015-12-11 | 2016-02-17 | 广东溢达纺织有限公司 | Dye fixing method for washing-free reactive dye non-aqueous agent |
| CN105482032A (en) * | 2016-01-20 | 2016-04-13 | 广东溢达纺织有限公司 | Cationic color fixing agent and preparation method and application thereof |
| CN105696378A (en) * | 2016-03-25 | 2016-06-22 | 广东溢达纺织有限公司 | Non-aqueous-medium dyeing and washing-free color fixation method for reactive dye |
| CN106087489A (en) * | 2016-07-25 | 2016-11-09 | 安徽亚源印染有限公司 | A kind of homochromatism dyeing containing chitin viscose fabric |
| CN107653707A (en) * | 2016-07-26 | 2018-02-02 | 海宁绿宇纺织科技有限公司 | A kind of non-aqueous media color-fixing method suitable for reactive dye |
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| CN105696378A (en) * | 2016-03-25 | 2016-06-22 | 广东溢达纺织有限公司 | Non-aqueous-medium dyeing and washing-free color fixation method for reactive dye |
| CN106087489A (en) * | 2016-07-25 | 2016-11-09 | 安徽亚源印染有限公司 | A kind of homochromatism dyeing containing chitin viscose fabric |
| CN107653707A (en) * | 2016-07-26 | 2018-02-02 | 海宁绿宇纺织科技有限公司 | A kind of non-aqueous media color-fixing method suitable for reactive dye |
| CN108517702A (en) * | 2018-04-24 | 2018-09-11 | 广东爱华毛织工艺有限公司 | A kind of method of natural plant dye dyeing cellulosic fibre |
| CN108589334A (en) * | 2018-04-24 | 2018-09-28 | 武汉纺织大学 | A method of preparing the dark damp cellulose fibre of natural plant dye dyeing |
| CN108589334B (en) * | 2018-04-24 | 2021-07-06 | 武汉纺织大学 | Method for preparing natural plant dye dyed dark-color cellulose fiber |
| CN109505168A (en) * | 2018-11-19 | 2019-03-22 | 浙江越新印染有限公司 | The non-aqueous dyeing method of high colour-fast rate cotton fabric |
| CN109505168B (en) * | 2018-11-19 | 2021-02-26 | 浙江越新印染有限公司 | Waterless dyeing method of cotton fabric with high color fixing rate |
| CN112962332A (en) * | 2021-01-25 | 2021-06-15 | 上海工程技术大学 | Washing-free method for dyeing by reactive dye |
| CN112962332B (en) * | 2021-01-25 | 2023-03-10 | 上海工程技术大学 | Washing-free method for dyeing by reactive dye |
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