CN111979797A - Cotton cloth dyeing agent and cotton cloth dyeing method - Google Patents
Cotton cloth dyeing agent and cotton cloth dyeing method Download PDFInfo
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- CN111979797A CN111979797A CN202010881885.6A CN202010881885A CN111979797A CN 111979797 A CN111979797 A CN 111979797A CN 202010881885 A CN202010881885 A CN 202010881885A CN 111979797 A CN111979797 A CN 111979797A
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- cotton cloth
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- color fixing
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 77
- 239000000975 dye Substances 0.000 title claims abstract description 77
- 239000004744 fabric Substances 0.000 title claims abstract description 77
- 238000004043 dyeing Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 48
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 125000002091 cationic group Chemical group 0.000 claims abstract description 21
- 229920002635 polyurethane Polymers 0.000 claims abstract description 21
- 239000004814 polyurethane Substances 0.000 claims abstract description 21
- 239000011787 zinc oxide Substances 0.000 claims abstract description 21
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910021426 porous silicon Inorganic materials 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 20
- 239000004094 surface-active agent Substances 0.000 claims abstract description 13
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 12
- 150000003839 salts Chemical class 0.000 claims abstract description 10
- 239000003086 colorant Substances 0.000 claims description 37
- 238000005406 washing Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 235000013311 vegetables Nutrition 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 241000220317 Rosa Species 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 239000002736 nonionic surfactant Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000000052 comparative effect Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 239000000835 fiber Substances 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 3
- 229920000191 poly(N-vinyl pyrrolidone) Polymers 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229940023579 anhydrous betaine Drugs 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009990 desizing Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- DVBJBNKEBPCGSY-UHFFFAOYSA-M cetylpyridinium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 DVBJBNKEBPCGSY-UHFFFAOYSA-M 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000000985 reactive dye Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—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
- D06P1/34—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 natural dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—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
- D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—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 insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
- D06P1/5285—Polyurethanes; Polyurea; Polyguanides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
- D06P1/67358—Halides or oxyhalides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67383—Inorganic compounds containing silicon
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Coloring (AREA)
Abstract
The invention relates to the field of dyeing agents, and particularly discloses a cotton cloth dyeing agent and a cotton cloth dyeing method. The cotton cloth dyeing agent is prepared from raw materials including a plant dye, edible salt, a surfactant, a color fixing agent, water and an antibacterial agent, wherein the color fixing agent is prepared from nano porous silicon powder, nano zinc oxide, liquid ammonia and cationic waterborne polyurethane, and when the cotton cloth is dyed by the cotton cloth dyeing agent, the dyed cotton cloth can realize higher dyeing rate without being treated by a treatment liquid.
Description
Technical Field
The invention relates to the field of dyeing agents, in particular to a cotton cloth dyeing agent and a cotton cloth dyeing method.
Background
Cotton cloth is used for making fashionable dress, casual wear, underwear and shirts, and has the advantages of softness, close fitting, good moisture absorption and good air permeability.
At present, the patent with publication number CN110644261A discloses a dyeing method for cotton cloth, which includes the preparation of dyeing liquid and the dyeing method. The formula proportion of the dye is that 35-70 parts of rose dye extract, 5-12 parts of surfactant, 2-8 parts of initiator, 6-10 parts of antibacterial agent, 5-11 parts of color fixing agent, 1-2 parts of homogenizing agent and 150 parts of distilled water, the cotton cloth after seam turning, desizing, delinting and bleaching is placed into dye solution for dyeing, and then the dyeing of the cotton cloth is realized through treatment of treatment solution, first washing, soaping, second washing, softening, dehydration, scutching and drying.
The related art described above has drawbacks that: during dyeing, cotton cloth treated by the dye liquor needs to be treated by the treatment liquor, and the process flow is complex.
Disclosure of Invention
Aiming at the problems in the prior art, the first purpose of the invention is to provide a cotton cloth dyeing agent, which can achieve a better dyeing effect without treatment of a treatment liquid when being used for dyeing.
The second purpose of the invention is to provide a cotton cloth dyeing method using the cotton cloth dyeing agent, which can achieve better dyeing effect without treatment of treatment liquid.
In order to achieve the first object, the invention provides the following technical scheme: the cotton cloth coloring agent is prepared from the following raw materials in parts by weight:
the color fixing agent is prepared from nano porous silicon powder, nano zinc oxide, liquid ammonia and cationic waterborne polyurethane, and the preparation method of the color fixing agent comprises the following steps: and sequentially adding the porous silicon powder, the nano zinc oxide and the cationic waterborne polyurethane into the liquid ammonia, and uniformly stirring to obtain the color fixing agent.
By adopting the technical scheme, after the porous silicon powder, the nano zinc oxide and the cationic waterborne polyurethane are sequentially added into the liquid ammonia, molecular-level reaction can occur, and the prepared color fixing agent can enable the dye to be fully contacted with cotton cloth fiber, so that the combination of the dye and the cotton cloth fiber is promoted, and higher dye-uptake and color fixing rate can be achieved without treatment of a treatment solution.
Further, the color fixing agent is prepared from the following raw materials in parts by weight: porous silicon powder: nano zinc oxide: liquid ammonia: cationic aqueous polyurethane ═ 3-6: (0.7-1): (2.5-6): (2-3).
By adopting the technical scheme, the dye can be fully combined with cotton fabric fibers, and the dye uptake of the dyeing agent is increased.
Further, the color fixing agent comprises the following raw materials in percentage by weight: porous silicon powder: nano zinc oxide: liquid ammonia: cationic aqueous polyurethane ═ 5: 0.7: 4: 2.
by adopting the technical scheme, the cotton cloth dyeing agent prepared from the color fixing agent has excellent dye-uptake after dyeing.
Further, the plant dye is a rose dye.
By adopting the technical scheme, when the dye of the cotton cloth dye is the rose dye, the dye uptake after dyeing is higher.
Further, the surfactant is a nonionic surfactant.
By adopting the technical scheme, the nonionic surfactant has stronger hydrophilicity and can not be ionized, and the dye uptake is higher when the cotton cloth dye is used.
Further, the cotton cloth coloring agent is prepared from the following raw materials in parts by weight: 40-45 parts of vegetable dye, 7-8 parts of edible salt, 1.5-2 parts of surfactant, 9-11 parts of color fixing agent, 90-130 parts of water and 1-1.5 parts of antibacterial agent.
By adopting the technical scheme, the cotton cloth dyeing agent with better cotton cloth dyeing effect is obtained.
Further, the cotton cloth coloring agent is prepared from the following raw materials in parts by weight: 40 parts of vegetable dye, 7.5 parts of edible salt, 2 parts of surfactant, 10 parts of color fixing agent, 120 parts of water and 1 part of silver antibacterial agent.
By adopting the technical scheme, the cotton cloth dyeing agent ratio with the optimal cotton cloth dyeing effect is obtained.
In order to realize the second purpose of the invention, the invention provides the following technical scheme:
a method of dyeing comprising the steps of:
step 1, mixing the coloring agent of any one of the above with water according to a volume ratio of 1: 10 to prepare a dye solution;
step 2, soaking the desized, boiled and bleached cotton cloth in a dye liquor for 10 min; then heating the dye solution to 60-90 ℃ at the heating rate of 2 ℃/min for dyeing, and continuously stirring during dyeing, wherein the dyeing time is 40-60 min;
and 3, soaping, washing with clear water, dehydrating and drying the dyed cotton cloth in sequence.
Further, the dyeing temperature is 75-80 ℃.
By adopting the technical scheme, the dye is fully combined with the cotton cloth fiber, and the dyed cotton cloth can have higher dye uptake without being treated by the treatment fluid.
In conclusion, the invention has the following beneficial effects:
firstly, the dye can be fully contacted with the cotton cloth fiber by the color fixing agent, and the combination of the dye and the cotton cloth fiber is promoted, so that the higher dye-uptake rate and the higher color fixing rate can be achieved without treatment of a treatment solution;
the invention provides a dyeing method using the cotton cloth dyeing agent.
Detailed Description
The present invention will be described in further detail with reference to examples.
The sources of the raw materials used in the examples are shown in table 1 below:
TABLE 1 sources and specifications of raw materials for colorants
Examples of the invention
Example 1
A cotton cloth coloring agent is prepared from the following components: 30g of rose dye, 5g of edible salt, peregal O1g, 11g of color fixing agent, 12 g of nano-silver antibacterial agent CAG-12 g and 80g of water.
The color fixing agent comprises the following components in percentage by weight: nano zinc oxide: liquid ammonia: cationic aqueous polyurethane ═ 2: 1.3: 7: 5 (weight ratio); the preparation process of the color fixing agent comprises the following steps: and sequentially adding the porous silicon powder, the nano zinc oxide and the cationic waterborne polyurethane into the liquid ammonia, and uniformly stirring to obtain the color fixing agent.
The preparation process of the cotton cloth coloring agent comprises the following steps: the cotton cloth coloring agent is prepared by mixing the components and uniformly stirring.
Examples 2 to 13
Examples 2 to 13 are based on example 1 and differ from example 1 in that: the raw materials have different composition ratios, and are shown in table 2.
TABLE 2 Components and proportions of the cotton cloth dyestuffs of examples 1-13
Example 14
A cotton cloth coloring agent is prepared from the following components: 40g of rose dye, 7g of edible salt, 1.4g of peregal O1.5 g of color fixing agent, 11.4 g of nano-silver antibacterial agent CAG and 130g of water, wherein the color fixing agent is prepared from nano-porous silicon powder: nano zinc oxide: liquid ammonia: cationic aqueous polyurethane ═ 3: 0.8: 4.5: 2 (weight ratio).
The preparation process of the color fixing agent comprises the following steps: and sequentially adding the porous silicon powder, the nano zinc oxide and the cationic waterborne polyurethane into the liquid ammonia, and uniformly stirring to obtain the color fixing agent.
The preparation process of the cotton cloth coloring agent comprises the following steps: the cotton cloth coloring agent is prepared by mixing the components and uniformly stirring.
Examples 15 to 17
Examples 15 to 17 are based on example 14 and differ from example 14 in that: the raw material proportions of the fixing agent are different, and are specifically shown in table 3.
TABLE 3 formulation of laking reagent in examples 14-17
Comparative example
Comparative example 1: based on example 6, the difference from example 6 is that: the cotton cloth coloring agent is not added with a color fixing agent.
Comparative example 2: based on example 6, the difference from example 6 is that: the color fixing agent used by the cotton cloth coloring agent is nano porous silicon powder: nano zinc oxide: liquid ammonia: cationic aqueous polyurethane ═ 0: 0.8: 4.5: 2 (weight ratio).
Comparative example 3: based on example 6, the difference from example 6 is that: the color fixing agent used by the cotton cloth coloring agent is nano porous silicon powder: nano zinc oxide: liquid ammonia: cationic aqueous polyurethane ═ 3: 0: 4.5: 2 (weight ratio).
Comparative example 4: based on example 6, the difference from example 6 is that: the color fixing agent used by the cotton cloth coloring agent is nano porous silicon powder: nano zinc oxide: liquid ammonia: cationic aqueous polyurethane ═ 3: 0.8: 0: 2 (weight ratio), uniformly mixing the porous silicon powder, the nano zinc oxide and the cationic waterborne polyurethane to prepare the color fixing agent.
Comparative example 5: based on example 6, the difference from example 6 is that: the color fixing agent used by the cotton cloth coloring agent is nano porous silicon powder: nano zinc oxide: liquid ammonia: cationic aqueous polyurethane ═ 3: 0.8: 4.5: 0 (weight ratio).
Comparative example 6: based on example 6, the difference from example 6 is that: the surfactant is anhydrous betaine.
Comparative example 7: the formula proportion of the coloring agent is that 70 parts of plant dye extract, 12 parts of peregal O, 8 parts of tert-butyl hydroperoxide, 110 parts of nano-silver antibacterial agent CAG, 111 parts of color fixing agent DFRF-111, 2 parts of OT-8400 textile special auxiliary agent and 150 parts of distilled water are mixed according to the proportion.
Application example
Application example 1
A cotton cloth dyeing method adopts the cotton cloth dyeing agent in example 1 as a raw material to prepare a dye solution, and comprises the following specific process steps:
step 1, mixing the coloring agent of example 1 and water according to a volume ratio of 1: 10 to prepare a dye solution;
step 2, soaking the treated cotton cloth in a dye liquor for 10 min; then heating the dye solution to 60 ℃ at the heating rate of 2 ℃/min for dyeing, and continuously stirring during dyeing, wherein the dyeing time is 40 min;
and 3, soaping, washing with clean water, dehydrating and drying the dyed cotton cloth in sequence, wherein the soaping temperature is 85 ℃, the soaping time is 18min, and the washing with clean water is at normal temperature.
Application examples 2 to 20 are all based on application example 1, and differ from application example 1 only in that: the selected coloring agents are different and the process parameters of each step are different, which is shown in table 4.
Comparative application examples 1 to 6 are based on application example 1 and differ from application example 1 only in that: the selected coloring agents are different and the process parameters of each step are different, which is shown in table 4.
TABLE 4 Process parameters for application examples 1-20, comparative application examples 1-6
| Application example | Application example 18 | Application example 19 | Application example 20 |
| Source of coloring agent | Example 6 | Example 6 | Example 6 |
| Dyeing temperature (. degree.C.) | 75 | 78 | 80 |
| Dyeing time (min) | 55 | 55 | 55 |
Comparative application example 7
Pouring the dyeing liquid prepared by the dyeing agent prepared in the comparative example 7 into a dyeing machine, heating to 82 ℃, carrying out seam turning, desizing, delinting and bleaching on cotton cloth, then putting the cotton cloth into the dyeing liquid, and turning on a switch of the dyeing machine to enable the cotton cloth to be continuously stirred in the dyeing machine for 7 hours; preparing a treatment solution, mixing 4 parts of cetyl pyridine bromide, 15 parts of ethanol and 50 parts of water to obtain the treatment solution, heating the treatment solution to 82 ℃, and putting dyed cotton cloth into the treatment solution for treatment for 3 hours; sequentially carrying out primary washing, soaping, secondary washing, softening, dewatering, opening and drying on the treated cotton cloth; the first cleaning is carried out by using normal-temperature water, the second cleaning is carried out by using water at 55 ℃, the temperature is required to be heated to 85 ℃ during soaping, the time is 18min, the concentration of a detergent is 2g per liter, and a softening agent used during softening is polyether modified organic silicon.
The dyeing effect of the above application examples was tested by the following method:
and (3) dye-uptake determination: respectively measuring the absorbance A of the dye solution before and after dyeing at the maximum absorption wavelength of the dye by using a type 722 spectrophotometer0And A1Then, then
And (3) testing the fixation rate: and (3) measuring a K/S value by adopting a washing method according to GB/T2391-2006 determination of reactive dye fixation rate: the test instrument is a Datacolor color measuring and matching instrument (DTC hong Kong science and technology Co., Ltd.), and the measurement is carried out according to GB/T6687-2006.
Color fastness to sunlight: the test instrument is YG611C light fastness tester (Nantong Macro instruments Co., Ltd.), according to GB/T8426-1988 test of color fastness to light of textile: day light >. The evaluation was performed.
Washing color fastness: the test instrument was a TSA008 launderometer (Teishite instruments Ltd.) according to GB/T5713-1997 test for textile colour fastness.
The results of the tests on the cotton cloth dyed in application examples 1 to 20 and comparative application examples 1 to 7 are shown in Table 5.
TABLE 5 test results of cotton cloth dyed in application examples 1-20 and comparative application examples 1-7
From the above data, it can be seen that:
application example 6 is an example in which the dye uptake and the fixation rate are optimal in application examples 1 to 6.
Compared with the application example 6, the difference of the application example 7 is that the dye of the used coloring agent is the lotus leaf dye, and the dye uptake and the fixation rate of the application example 7 are lower than those of the application example 6, which shows that the plant dye has a good dyeing effect when the lotus leaf dye is used.
Application examples 9-12 are different from application example 6 only in that the cotton cloth coloring agent is prepared from the following raw materials in parts by weight: 40-45 parts of vegetable dye, 7-8 parts of edible salt, 1.5-2 parts of surfactant, 9-11 parts of color fixing agent, 90-130 parts of water and 1-1.5 parts of antibacterial agent, wherein the dye uptake and the color fixing rate of application examples 9-12 are higher than those of application example 6, which indicates that the proportioning of the coloring agent is better.
Application example 13 is different from application examples 9 to 12 only in that the cotton cloth coloring agent is prepared from the following raw materials in parts by weight: 40 parts of vegetable dye, 7.5 parts of edible salt, 2 parts of surfactant, 10 parts of color fixing agent, 120 parts of water and 1 part of silver antibacterial agent, wherein the dye uptake and the color fixing rate of application example 13 are higher than those of application examples 9-12, and the optimal ratio of the coloring agent is shown.
Compared with application example 6, the difference between application examples 14 to 16 is that the raw material ratio of the color fixing agent in the used coloring agent is porous silicon powder: nano zinc oxide: liquid ammonia: cationic aqueous polyurethane ═ 3-6: (0.7-1): (2.5-6): (2-3), the dye-uptake and fixation rate of application examples 14-16 are higher than that of application example 6, which shows that the proportion of the fixing agent is a better proportion.
Compared with application examples 14-16, application example 17 is different only in that the raw material ratio of the color fixing agent in the used coloring agent is porous silicon powder: nano zinc oxide: liquid ammonia: cationic aqueous polyurethane 5: 0.7: 4: 2, the dye uptake and the fixation rate of the application example 17 are higher than those of the application examples 14-16, which shows that the proportion of the fixing agent is the optimal proportion.
Compared with the application example 6, the difference of the application examples 18-20 is that the dyeing temperature is 75-80 ℃ during dyeing, the dye-uptake and the fixation rate of the application examples 18-20 are far lower than those of the application example 6, and the dyeing effect is better when the dyeing temperature is 75-80 ℃.
Compared with the application example 6, the difference is that no color fixing agent is added into the used coloring agent, the dye uptake and the color fixing rate of the comparison application example 1 are far lower than those of the application example 6, and the essential components of the cotton cloth coloring agent are illustrated when the color fixing agent is used.
Compared with the application example 6, the difference is that the color fixing agent proportion of the used coloring agent is different, the dye-uptake and the color fixing rate of the comparison application examples 2 to 5 are far lower than those of the application example 6, and the synergistic effect of all the components of the color fixing agent is proved to be insufficient.
Compared with the application example 6, the difference is that the used surfactant is anhydrous betaine, the dye uptake and the color fixing rate of the application example 6 are lower than those of the application example 6, and the cotton cloth dyeing agent has a better dyeing effect when being a nonionic surfactant.
The comparison application example 7 is a test carried out by dyeing according to the technical scheme after all, and the dye uptake, the fixation rate and the light fastness of the comparison application example 7 are slightly lower than those of the application example 1, which shows that the application can still achieve the dyeing effect of the application example 1 after the step of treating the treatment solution is omitted.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The cotton cloth coloring agent is characterized by being prepared from the following raw materials in parts by weight:
30-50 parts of vegetable dye
5-8 parts of edible salt
1-2 parts of surfactant
8-12 parts of color fixing agent
80-150 parts of water
0-2 parts of antibacterial agent
The color fixing agent is prepared from nano porous silicon powder, nano zinc oxide, liquid ammonia and cationic waterborne polyurethane, and the preparation method of the color fixing agent comprises the following steps: and sequentially adding the porous silicon powder, the nano zinc oxide and the cationic waterborne polyurethane into the liquid ammonia, and uniformly stirring to obtain the color fixing agent.
2. The cotton cloth coloring agent according to claim 1, wherein the color fixing agent is prepared from the following raw materials in parts by weight: porous silicon powder: nano zinc oxide: liquid ammonia: cationic aqueous polyurethane = (3-6): (0.7-1): (2.5-6): (2-3).
3. The cotton cloth coloring agent according to claim 2, wherein the color fixing agent comprises the following raw materials in percentage by weight: porous silicon powder: nano zinc oxide: liquid ammonia: cationic waterborne polyurethane = 5: 0.7: 4: 2.
4. the cotton cloth dyeing agent according to any one of claims 1 to 3, wherein the vegetable dye is rose dye.
5. The cotton cloth dyeing agent according to any one of claims 1 to 3, wherein the surfactant is a nonionic surfactant.
6. The cotton cloth coloring agent according to any one of claims 1 to 3, which is prepared from the following raw materials in parts by weight: 40-45 parts of vegetable dye, 7-8 parts of edible salt, 1.5-2 parts of surfactant, 9-11 parts of color fixing agent, 90-130 parts of water and 1-1.5 parts of antibacterial agent.
7. The cotton cloth coloring agent according to claim 6, which is prepared from the following raw materials in parts by weight: 40 parts of vegetable dye, 7.5 parts of edible salt, 2 parts of surfactant, 10 parts of color fixing agent, 120 parts of water and 1 part of silver antibacterial agent.
8. A cotton cloth dyeing method is characterized by comprising the following steps:
step 1, mixing the coloring agent of any one of claims 1 to 7 with water in a volume ratio of 1: 10 to prepare a dye solution;
step 2, soaking the desized, boiled and bleached cotton cloth in a dye liquor for 10 min; then heating the dye solution to 60-90 ℃ at the heating rate of 2 ℃/min for dyeing, and continuously stirring during dyeing, wherein the dyeing time is 40-60 min;
and 3, soaping, washing with clear water, dehydrating and drying the dyed cotton cloth in sequence.
9. Dyeing process according to claim 8, characterized in that the dyeing temperature is between 75 and 80 ℃.
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