CN108797153A - A kind of function colouring method based on eutectic solvent - Google Patents
A kind of function colouring method based on eutectic solvent Download PDFInfo
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- CN108797153A CN108797153A CN201810647141.0A CN201810647141A CN108797153A CN 108797153 A CN108797153 A CN 108797153A CN 201810647141 A CN201810647141 A CN 201810647141A CN 108797153 A CN108797153 A CN 108797153A
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- D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
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Abstract
The invention discloses a kind of function colouring method based on eutectic solvent, it is characterized in that, by hydrogen bond acceptor compounds with can the hydrogen-bond donor compound of light initiation polymerization prepare eutectic solvent after mixing, disperse dyes and stirring and dissolving is added, pre- dye liquor is made；Light initiation polymerization agent and stirring and dissolving are added in pre- dye liquor, dye liquor is made；Dyeing and weaving object is treated using dye liquor to be dyed, ultraviolet light pre-dyed fabric obtains dyed fabric.Functional form printing and dyeing medium of the present invention using green, novel eutectic solvent as disperse dyes, is directly handled using existing textile dyeing equipment, disperse dyes is fixed on the fabric.The present invention has many advantages, such as low, cheap, easy to operate, the suitable industrialized production of green non-pollution, discharge of wastewater as a kind of functional staining technique.
Description
Technical field
The present invention relates to a kind of function colouring method based on eutectic solvent belongs to dyeing and the final finishing neck of textile
Domain.
Background technology
Disperse dyes have just come out early in early 20th century, at that time primarily to being dyed to acetate fiber.Later with
The fast development of synthetic fibers, disperse dyes are increasingly becoming one of dyestuff with fastest developing speed.The main side of disperse dyeing
Method is three kinds of carrier dyeing process, high-temperature and high pressure dyeing process, pad-dry-cure dyeing method methods, due to the dissolubility ratio of disperse dyes in water
It is poor, it needs addition dispersant etc. to be difficult to biodegradable auxiliary agent and carries out assistance dyeing, pollution on the environment is fairly obvious.
In addition increasingly severe with ecological environment problem, the wastewater problem caused by disperse dyes is further prominent, contains in dyeing residual liquid
Irretrievable dyestuff both increases the difficulty of wastewater treatment in a large amount of dispersants and reduction cleaning liquid that have.
Organic solvent dyeing is considered as that can reduce the environmentally protective staining technique of dyeing waste water discharge.But it studies before this
More trichloro ethylene or tetrachloroethylene solvent dyeing, since dissolving of the disperse dyes in trichloro ethylene or tetrachloro-ethylene is spent
Height causes dyestuff dye-uptake relatively low, and may remain the reasons such as the halogenated hydrocarbon solvent of insalubrity on fabric after dyeing,
The technology fails to be further developed.
It is dispersed through the textile of chemical fibre product after dyeing, beautiful in colour, fastness to washing is excellent, but due to disperse dyes sheet
The influence of body structure and dyeing etc., at present disperse dyes be only mainly used for the synthetic fibers such as polyester fiber dyeing and
Stamp, this strongly limits the applications of disperse dyes.In order to extend the application of disperse dyes, it is coating print to use at present at most
Flower mode is suitable for spinning made of any fiber this is because pigment printing does not require the selectivity of dyestuff and fabric
Fabric, be fixed coloring is reached to the adhesiving effect of fabric by coating, but this stamp mode to sticker used and
The more demanding and main used at present sticker and crosslinking agent of thickener is mainly the mechanical performance enhanced after film forming,
Added value is not high.
As it can be seen that above method all has some limitations in the application, disperse dyes dosage in polyster fibre dyeing
It is very big, thus it is also very high to generate dyeing waste water.Therefore, develop it is a set of it is simple for process, coloring is good, discharge of wastewater is few,
Being applicable to the staining technique of more types of fibers seems extremely important.
Invention content
The technical problem to be solved by the present invention is to：A kind of function colouring method based on eutectic solvent, the party are provided
Method profit can direct staining on the basis of existing textile dyeing equipment, do not increase equipment, do not increase cost；Raw materials used cost
It is low, there is good chemical physical stability, green non-pollution to be suitable for industrialized production.
To solve the above-mentioned problems, the present invention provides a kind of the function colouring method based on eutectic solvent, feature
It is, includes the following steps：
Step 1)：By hydrogen bond acceptor compounds with can light initiation polymerization hydrogen-bond donor compound after mixing 80~
It is heated 2~4 hours at 100 DEG C and prepares eutectic solvent, disperse dyes and stirring and dissolving, system are then added into eutectic solvent
Obtain pre- dye liquor；
Step 2)：Light initiation polymerization agent and stirring and dissolving are added in pre- dye liquor, dye liquor is made；
Step 3)：Dyeing and weaving object is treated using dye liquor to be dyed, ultraviolet light pre-dyed fabric 10s~3min, 100-120
30~60min is dried at DEG C, room temperature washing dries, obtains dyed fabric.
Preferably, the hydrogen bond acceptor compounds in the step 1) are at least one of choline, glycine betaine and amino acid；
Can light initiation polymerization hydrogen-bond donor compound be maleic acid, fumaric acid, acrylic acid, methacrylic acid, acrylamide, methyl-prop
Acrylamide, N methacrylamide, N- methyl-Methacrylamide, N- ethyl acrylamides, N hydroxymethyl acrylamide, N-
At least one of methylol-Methacrylamide and N- hydroxyethyl acrylamides.
Preferably, in the step 1) hydrogen bond acceptor compounds with can light initiation polymerization hydrogen-bond donor compound mole
Than for (1~3): (1~6).
It is highly preferred that the hydrogen bond acceptor compounds with can light initiation polymerization hydrogen-bond donor compound molar ratio be 1:
2。
It is highly preferred that the choline is at least one of choline chloride and choline bromide；The glycine betaine is glycine betaine
At least one of with beet alkali hydrochlorate；The amino acid is at least one of glycine, alanine and glutamic acid；It is described
Disperse dyes are C.I. disperse red 54s, 60,73,74,153,167,177, C.I. dispersion yellow 64s, 54,104,211 and C.I.
Disperse Blue-56,60, at least one of 79.
Preferably, disperse dyes are the pure disperse dyes of routine for being not added with dispersant in the step 1)；Disperse dyes
Addition is 1~20g/L (eutectic solvent).
Preferably, light initiation polymerization agent is azo-bis-isobutyrate hydrochloride V-50, azo diisopropyl in the step 2)
Imidazoline hydrochloride VA-044, dimethoxybenzoin, 2,2- dimethoxy -2- phenyl acetophenones, 2,4- dialkyl group thioxanthone,
Norrish II types photoinitiators or Norrish I type photoinitiators.
Preferably, in the step 2) light initiation polymerization agent addition be can light initiation polymerization hydrogen-bond donor compound
The 0.05~1% of quality.
Preferably, wait for that dyeing and weaving object is the blended of natural fabric, synthetic fabrics or both in the step 3).
Preferably, the ultraviolet light in the step 3) is generated by the ultraviolet lamp of 100~800W, range of light intensity 0.01
~3mW/cm2, dominant wavelength is 254nm or 365nm.
The pre-dyed fluidity prepared after eutectic solvent dissolving disperse dyes in the present invention can be stablized, and be protected from light to lay in for a long time
It places.Present invention can also apply to other dissolve in eutectic solvent and not with hydrogen bond acceptor compounds or hydrogen-bond donor
The dyestuff that compound reacts, dyed fabric obtained also have antibacterial, antistatic, the conductive or performances such as crease-resistant simultaneously.
Natural fabric is dyed as disperse dyes using eutectic solvent by the present invention or the medium of stamp, no
It is same as sticker, crosslinking agent and color fixing agent in general sense.Eutectic solvent not only originally as the liquid of low viscosity, is dissolving
After disperse dyes before causing polymerizing condition still it is the liquid of low viscosity, therefore conventional dyeing apparatus can be utilized to fabric
Arrangement processing is carried out, and is uniformly distributed on the surface of fabric after arranging processing；In eutectic solvent can light initiation polymerization
Hydrogen-bond donor compound can be formed a film after causing polymerization with rapid polymerization, and can reach prevents the aggregation of dye granule object, printing and dyeing nothing
Flaw and other effects, and fabric feeling is more preferable.Since the hydrogen bond acceptor compounds itself in eutectic solvent have conductive, antibacterial
And other effects, cotton fabric can also be made to generate wrinkle-proof effect, therefore we after the hydrogen-bond donor compound polymerization of light initiation polymerization
Method can assign the characteristics such as antibacterial fabric, conduction (antistatic), wrinkle resistant, in dyeing process while being dyed to fabric
In can achieve the effect that fabric functional arrange, considerably increase the added value of fabric.
Compared with prior art, the beneficial effects of the present invention are：
(1) the method for the present invention utilizes existing textile dyeing equipment direct staining, does not increase equipment, does not increase cost, applies
It, can mass production in the environmentally protective production of textile industry；
(2) it is different from ordinary stain method, disperse dyes can be dissolved in eutectic solvent, and dye granule will not occur
The situations such as aggregation reduce printing and dyeing flaw, feeling is better so printing and dyeing effect is evenly；
(3) due in eutectic solvent can the hydrogen-bond donor compound of light initiation polymerization can be formed a film by cross-linking reaction,
Dyestuff can be by the permanent fixation of polymeric membrane on the fabric, and fastness to washing is high；
(4) the pre-dyed fluidity prepared after eutectic solvent dissolving disperse dyes in the present invention can be stablized, and being protected from light can be for a long time
Deposit is placed；
(5) eutectic solvent used in the present invention is the liquid of low viscosity, Ke Yitong before uv-light polymerization
It crosses the modes such as dip dyeing, pad dyeing or stamp to handle fabric, operation facility；After uv-light polymerization, polymerization speed is fast,
So time and mode flexibly can be caused with polymerization according to product design；
(6) present invention has also carried out finishing functions, by using eutectic while being dyed to fabric to fabric
The hydrogen bond acceptor compounds with antibiotic property assign the performances such as antibacterial fabric, conduction (antistatic), hydrogen-bond donor chemical combination in solvent
Object polymerization film formation can assign crease-proofing textiles containing performance；
(7) eutectic solvent prepared by is nontoxic and has biodegradable, reduces the difficulty and money of liquid waste processing
Source is put into, and reduces the waste of water resource and the discharge of dyeing waste water, is suitable for industrialized production；
(8) present invention could apply to various types of fabrics.
Specific implementation mode
In order to make the present invention more obvious and understandable, it is hereby described in detail below with preferred embodiment.
Embodiment 1
Choline chloride is mixed with acrylic acid with molar ratio 1: 2, eutectic solvent is prepared；Disperse red 73 dyestuff ultrasound is molten
For solution in eutectic solvent, compound concentration is the pre- dye liquor of 4g/L, is protected from light deposit；When dyeing, 2,2- bis- is added in pre- dye liquor
For methoxyl group -2- phenyl acetophenones as polymerization initiator, dosage is the 0.5% of acrylic acid quality；By pre- dye liquor to dacron
It carries out two leachings two to roll, ultraviolet (300W ultraviolet lamps, range of light intensity are 1mW/cm2, the ultraviolet light dominant wavelength of generation is 254nm) and irradiation
20s, 100 DEG C are dried 45 minutes, and washing is dried, and dyed fabric is obtained.
The K/S values 15 of above-mentioned dyed fabric, the dacron surface specific resistance 4 × 10 after dyeing5Ohms, antistatic effect
It is good, 99% is more than to the bacteriostasis rate of Escherichia coli and staphylococcus aureus.4-5 grades of dyed fabric fastness to washing, resistance to dry friction
4-0 grades of fastness, 4-0 grades of wet rubbing fastness.
Embodiment 2
Choline chloride is mixed with acrylamide with molar ratio 1: 2, eutectic solvent is prepared；By Disperse Blue-56 dyestuff ultrasound
It is dissolved in eutectic solvent, compound concentration is the pre- dye liquor of 18g/L, is kept in dark place；When dyeing, azo is added in pre- dye liquor
For two NSC 18620 hydrochloride V-50 as polymerization initiator, dosage is the 0.5% of acrylamide quality；By pre- dye liquor to cotton fabric into
The leaching of row three three is rolled, and soaking time is 5 minutes；It is ultraviolet that (300W ultraviolet lamps, range of light intensity are 1.5mW/cm2, the ultraviolet light master of generation
Wavelength is 254nm) irradiation 20s make eutectic solvent occur polymerization and cross-linking reaction, 100 DEG C dry 60 minutes, washing is dried, and is obtained
Dyed fabric.
The K/S values of above-mentioned dyed fabric are 20,200 ° of cotton fabric creasy recovery angle after dyeing, to Escherichia coli and golden yellow
Staphylococcic bacteriostasis rate is more than 99%.4-5 grades of obtained dyed fabric fastness to washing, 4-0 grades of resistance to dry grinding rubbing fastness, moisture-proof rubs
4-0 grades of rubbing fastness.
Embodiment 3
Glycine betaine is mixed with acrylamide with molar ratio 1: 2, eutectic solvent is prepared；Dispersion yellow 64 dyestuff ultrasound is molten
For solution in eutectic solvent, compound concentration is the pre- dye liquor of 8g/L, is kept in dark place；When dyeing, azo two is added in pre- dye liquor
For isopropylimdazole quinoline hydrochloride VA-044 as polymerization initiator, dosage is the 0.6% of acrylamide quality；By pre- dye liquor to brocade
Synthetic fibre fabric carries out three leachings three and rolls；It is ultraviolet that (100W ultraviolet lamps, range of light intensity are 0.5mW/cm2, the ultraviolet light dominant wavelength of generation is
40s 365nm) is irradiated, 120 DEG C are dried 30 minutes, and washing is dried, and dyed fabric is obtained.
The K/S values of above-mentioned dyed fabric are 15, the surface of nylon fabric specific resistance 9 × 10 after dyeing7Ohms, to large intestine bar
The bacteriostasis rate of bacterium and staphylococcus aureus is more than 99%.4-5 grades of the fastness to washing of dyed fabric, 4-0 grades of resistance to dry grinding rubbing fastness,
4-0 grades of wet rubbing fastness.
Embodiment 4
Glycine betaine is mixed with Methacrylamide with molar ratio 1: 2, eutectic solvent is prepared；74 dyestuff of disperse red is surpassed
Sound is dissolved in eutectic solvent, and compound concentration is the pre- dye liquor of 10g/L, is kept in dark place；When dyeing, it is added in pre- dye liquor
For Norrish II types photoinitiators as polymerization initiator, dosage is the 0.6% of Methacrylamide quality；By pre- dye liquor to cotton
Fabric carries out three leachings three and rolls；It is ultraviolet that (500W ultraviolet lamps, range of light intensity are 2mW/cm2, the ultraviolet light dominant wavelength of generation is 365nm)
15s is irradiated, 110 DEG C are dried 45 minutes, and washing is dried, and dyed fabric is obtained.
The K/S values of above-mentioned dyed fabric are 15,200 ° of cotton fabric creasy recovery angle after dyeing, to Escherichia coli and golden yellow
Staphylococcic bacteriostasis rate is more than 99%.4-5 grades of the fastness to washing of dyed fabric, 4-0 grades of resistance to dry grinding rubbing fastness, resistance to wet friction jail
4-0 grades of degree.
Embodiment 5
It is mixed with molar ratio 1: 3 with N hydroxymethyl acrylamide by glycine, prepares eutectic solvent；By disperse red
For 177 dyestuff ultrasonic dissolutions in eutectic solvent, compound concentration is the pre- dye liquor of 12g/L, is kept in dark place；When dyeing, in pre-dyed
2,2- dimethoxy -2- phenyl acetophenones are added in liquid as polymerization initiator, dosage is N hydroxymethyl acrylamide quality
1%；Pre- dye liquor is carried out two leachings two to cotton fabric to roll；It is ultraviolet that (800W ultraviolet lamps, range of light intensity are 3mW/cm2, generation it is ultraviolet
Light dominant wavelength is 254nm) irradiation 10s, 120 DEG C are dried 30 minutes, and washing is dried, and dyed fabric is obtained.
The K/S values of above-mentioned dyed fabric are 16,200 ° of cotton fabric creasy recovery angle after dyeing, to Escherichia coli and golden yellow
Staphylococcic bacteriostasis rate is more than 99%.4-5 grades of the fastness to washing of dyed fabric, 4-0 grades of resistance to dry grinding rubbing fastness, resistance to wet friction jail
4-0 grades of degree.
Embodiment 6
It is mixed with molar ratio 1: 2 with N- methylols-Methacrylamide by choline chloride, prepares eutectic solvent；It will
For Disperse Blue-79 dyestuff ultrasonic dissolution in eutectic solvent, compound concentration is the pre- dye liquor of 10g/L, is kept in dark place；When dyeing,
Azo-bis-isobutyrate hydrochloride V-50 is added in pre- dye liquor as polymerization initiator, dosage is N- methylols-Methacrylamide
The 0.6% of quality；Pre- dye liquor is carried out three leachings three to cotton fabric to roll；It is ultraviolet that (300W ultraviolet lamps, range of light intensity are 1.5mW/cm2,
The ultraviolet light dominant wavelength of generation is 365nm) irradiation 30s, 100 DEG C are dried 60 minutes, and washing is dried, and dyed fabric is obtained.
The K/S values of above-mentioned dyed fabric are 15,200 ° of cotton fabric creasy recovery angle after dyeing, to Escherichia coli and golden yellow
Staphylococcic bacteriostasis rate is more than 99%.4-5 grades of the fastness to washing of dyed fabric, 4-0 grades of resistance to dry grinding rubbing fastness, resistance to wet friction jail
4-0 grades of degree.
Claims (10)
1. a kind of function colouring method based on eutectic solvent, which is characterized in that include the following steps：
Step 1)：By hydrogen bond acceptor compounds with can light initiation polymerization hydrogen-bond donor compound after mixing 80~100
It is heated 2~4 hours at DEG C and prepares eutectic solvent, disperse dyes and stirring and dissolving are then added into eutectic solvent, be made
Pre- dye liquor；
Step 2)：Light initiation polymerization agent and stirring and dissolving are added in pre- dye liquor, dye liquor is made；
Step 3)：Dyeing and weaving object is treated using dye liquor to be dyed, ultraviolet light pre-dyed fabric 10s~3min, at 100-120 DEG C
30~60min is dried, room temperature washing dries, obtains dyed fabric.
2. the function colouring method based on eutectic solvent as described in claim 1, which is characterized in that in the step 1)
Hydrogen bond acceptor compounds are at least one of choline, glycine betaine and amino acid；Can light initiation polymerization hydrogen-bond donor compound
For maleic acid, fumaric acid, acrylic acid, methacrylic acid, acrylamide, Methacrylamide, N methacrylamide, N- first
Base-Methacrylamide, N- ethyl acrylamides, N hydroxymethyl acrylamide, N- methylols-Methacrylamide and N- hydroxyl second
At least one of base acrylamide.
3. the function colouring method based on eutectic solvent as described in claim 1, which is characterized in that hydrogen in the step 1)
Key acceptor compound with can light initiation polymerization hydrogen-bond donor compound molar ratio be (1~3)：(1~6).
4. the function colouring method based on eutectic solvent as claimed in claim 3, which is characterized in that the hydrogen bond receptor
Close object with can light initiation polymerization hydrogen-bond donor compound molar ratio be 1：2.
5. the function colouring method based on eutectic solvent as claimed in claim 3, which is characterized in that the choline is chlorination
At least one of choline and choline bromide；The glycine betaine is at least one of glycine betaine and beet alkali hydrochlorate；It is described
Amino acid is at least one of glycine, alanine and glutamic acid；The disperse dyes be C.I. disperse red 54s, 60,73,
74,153,167,177, C.I. dispersion yellow 64s, 54,104,211 and C.I. Disperse Blue-56s, 60, at least one of 79.
6. the function colouring method based on eutectic solvent as described in claim 1, which is characterized in that divide in the step 1)
Scattered dyestuff is the pure disperse dyes of routine for being not added with dispersant；The addition of disperse dyes is 1~20g/L (eutectic solvent).
7. the function colouring method based on eutectic solvent as described in claim 1, which is characterized in that light in the step 2)
Initiation polymerizer is azo-bis-isobutyrate hydrochloride V-50, azo dicyclohexyl formonitrile HCN hydrochloride VA-044, styrax diformazan
Ether, 2,2- dimethoxy -2- phenyl acetophenones, 2,4- dialkyl group thioxanthone, II type photoinitiators of Norrish or Norrish
I type photoinitiator.
8. the function colouring method based on eutectic solvent as described in claim 1, which is characterized in that light in the step 2)
Cause polymerizer addition be can light initiation polymerization hydrogen-bond donor compound quality 0.05~1%.
9. the function colouring method based on eutectic solvent as described in claim 1, which is characterized in that waited in the step 3)
Dyeing and weaving object is the blended of natural fabric, synthetic fabrics or both.
10. the function colouring method based on eutectic solvent as described in claim 1, which is characterized in that in the step 3)
Ultraviolet light be by 100~800W ultraviolet lamp generate, range of light intensity be 0.01~3mW/cm2, dominant wavelength be 254nm or
365nm。
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