CN111549549A - Cationic modified printing washing anti-staining process for cellulose fiber fabric - Google Patents
Cationic modified printing washing anti-staining process for cellulose fiber fabric Download PDFInfo
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- CN111549549A CN111549549A CN202010464127.4A CN202010464127A CN111549549A CN 111549549 A CN111549549 A CN 111549549A CN 202010464127 A CN202010464127 A CN 202010464127A CN 111549549 A CN111549549 A CN 111549549A
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- 238000005406 washing Methods 0.000 title claims abstract description 178
- 239000004744 fabric Substances 0.000 title claims abstract description 60
- 238000007639 printing Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000010186 staining Methods 0.000 title claims abstract description 32
- 229920003043 Cellulose fiber Polymers 0.000 title claims abstract description 27
- 125000002091 cationic group Chemical group 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 150000001768 cations Chemical class 0.000 claims abstract description 40
- 238000012986 modification Methods 0.000 claims abstract description 18
- 230000004048 modification Effects 0.000 claims abstract description 18
- 239000003607 modifier Substances 0.000 claims abstract description 16
- 239000000985 reactive dye Substances 0.000 claims abstract description 8
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 239000002736 nonionic surfactant Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 4
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 2
- 235000019270 ammonium chloride Nutrition 0.000 claims description 2
- DDXLVDQZPFLQMZ-UHFFFAOYSA-M dodecyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)C DDXLVDQZPFLQMZ-UHFFFAOYSA-M 0.000 claims description 2
- 150000002191 fatty alcohols Chemical class 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000006386 neutralization reaction Methods 0.000 claims description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims 1
- 239000000975 dye Substances 0.000 abstract description 28
- 239000004753 textile Substances 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000002585 base Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 9
- 238000007599 discharging Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 238000004043 dyeing Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- 241001474374 Blennius Species 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- PUVAFTRIIUSGLK-UHFFFAOYSA-M trimethyl(oxiran-2-ylmethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CC1CO1 PUVAFTRIIUSGLK-UHFFFAOYSA-M 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- LTVDFSLWFKLJDQ-UHFFFAOYSA-N α-tocopherolquinone Chemical compound CC(C)CCCC(C)CCCC(C)CCCC(C)(O)CCC1=C(C)C(=O)C(C)=C(C)C1=O LTVDFSLWFKLJDQ-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- D06P3/66—Natural or regenerated cellulose using reactive dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
- D06L1/16—Multi-step processes
-
- 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
- D06P1/38—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 reactive dyes
-
- 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
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
-
- 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
- D06P1/655—Compounds containing ammonium groups
- D06P1/66—Compounds containing ammonium groups containing quaternary ammonium groups
-
- 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
-
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention belongs to the technical field of textile printing, and particularly relates to a cationic modification printing washing anti-staining process for a cellulose fiber fabric, which comprises a cationic modification process, a reactive dye printing process and a washing process after printing; the cation modification process comprises the following steps: padding with a modifier → stacking at room temperature → washing with water; the washing process after printing comprises the following steps: preparing water washing liquid → first washing, warm washing of the water washing liquid → second washing, warm washing of the water washing liquid → third washing, warm washing of the water washing liquid → cold washing. The process can effectively prevent the dye from being back-stained and cross-colored in the washing process of the cation modified fabric, greatly improves the utilization rate of the dye, and enlarges the application range of the cation modified process of the cellulose fiber fabric.
Description
Technical Field
The invention belongs to the technical field of textile printing, and particularly relates to a cationic modified printing washing anti-staining process for a cellulose fiber fabric.
Background
With the development of society, environmental protection is more and more emphasized, wherein the field of textile printing and dyeing also begins to develop towards green production, and in the fiber dyeing process, in order to reduce the use of salt substances in dyeing and reduce the pollution to the environment, the cation modified printing technology is developed. Cationic groups can be introduced into the fibers in the cationic modified printing process, so that charge repulsion between the fibers and the dye is reduced, the addition of inorganic salt can be effectively reduced in the dyeing process, the dye utilization rate can be increased, less sewage is discharged, the cost is saved, and the environment is protected.
However, cationic printing has a fatal problem of water washing staining. The Chinese patent with the application number of 201610315964.4 discloses a method for preventing staining of a white base of a cation modified cotton fabric printing, which comprises the following steps: (1) cationic modified cotton fabric: sequentially adding a certain amount of cation modifier and water, adding alkali before use, soaking twice and rolling twice, baking, washing with water, and drying for later use; (2) active dye printing seaweed protection pulp in the white spot: adding sodium alginate raw paste prepared in advance and water, and stirring uniformly; (3) printing the cationic modified cotton fabric: scraping and printing color paste of cation modified cotton fabric, scraping and printing seaweed protection paste in the white, drying, steaming by saturated steam, washing by water and drying. The method proposed in the patent has a certain effect on preventing the white background from staining, but has no effect on preventing the staining of the part with the light color printed with the color, which may cause the color cross in the washing process. The method provided by the invention can effectively prevent the cation modified fabric from staining and color cross in the washing process.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a cellulose fiber fabric cation modification printing washing anti-staining process, in particular to a cation modification process and a washing process after printing, which can effectively prevent dye from being back-stained in the washing process, greatly improve the utilization rate of the dye and expand the application range of the cellulose fiber fabric cation modification process.
In order to achieve the purpose, the invention adopts the following technical scheme:
the cation modification process comprises the following steps: padding 5-10% o.w.f. modifier, piling for 24h at room temperature, and washing with water;
the padding modifier process specifically comprises the following steps: the liquid carrying rate is 60-100 percent after the first dipping and the first rolling; the water washing process specifically comprises the following steps: cold water washing → hot water washing twice → cold water washing → neutralization with 2g/L citric acid solution and water washing → cold water washing. The modifier comprises cationic auxiliaries with different molecular weights, and comprises one or more of quaternary ammonium salt modifiers, ammonium chloride modifiers and the like.
The washing process after printing comprises the following steps: preparing water washing liquid, warm water washing of the water washing liquid → cold water washing, wherein a washing auxiliary agent in the water washing liquid is a mixture of a weak cationic surfactant and a nonionic surfactant and comprises one or more of fatty amine polyoxyethylene ether, fatty alcohol polyoxyethylene ether, dodecyl trimethyl ammonium chloride and the like.
The concentration of the three water washing liquid base solutions is 8-20g/L, the water temperature is 40-60 ℃, and the washing time of each water washing is 1 min; the first washing, the concentration of the additional washing assistant is 10-20%, the additional speed is 85-100L/min, and the discharge speed of the washing sewage is 85-100L/min; the third water washing is carried out, the additional concentration is 3-6%, and the additional speed is 85-100L/min; the third water washing liquid flows back to the second water washing tank, the water flow speed of the third water washing liquid flows back is 85-100L/min, and the discharge speed of the second water washing liquid is 85-100L/min; the cloth feeding speed is 80-100 m/min.
The weak cation washing assistant can adsorb dye which is not fixed in color without being adhered back, and the washing liquid is added at the same time, so that the concentration of the assistant added in the washing water can be balanced with the increased dye concentration, and the staining caused by the increase of the chroma of the washing water can be avoided; the nonionic surfactant increases the solubility of the washed-off dye in water.
Drawings
FIG. 1: and (5) partial pattern effect graph of the fabric after washing.
Advantageous effects
The invention discloses a cellulose fiber fabric cation modified printing washing anti-staining process, which comprises a cation modification process, an active dye printing process and a printing after-washing process, wherein in the printing after-washing process, weak cation washing auxiliaries can adsorb dyes which are not fixed in color without being stained, and meanwhile, washing liquid is added in the washing process, so that the concentration of the auxiliaries in washing water is increased, the auxiliary concentration can be balanced with the increased dye concentration, and staining caused by the increase of washing water chromaticity is avoided; the nonionic surfactant increases the solubility of the washed-off dye in water. The method provided by the invention can effectively prevent the dye from being back-stained and cross-colored in the washing process of the cation modified fabric, greatly improves the utilization rate of the dye and enlarges the application range of the cation modification process of the cellulose fiber fabric.
Detailed Description
Hereinafter, the present invention will be described in detail. Before the description is made, it should be understood that the terms used in the present specification and the appended claims should not be construed as limited to general and dictionary meanings, but interpreted based on the meanings and concepts corresponding to technical aspects of the present invention on the basis of the principle that the inventor is allowed to define terms appropriately for the best explanation. Accordingly, the description proposed herein is just a preferable example for the purpose of illustrations only, not intended to limit the scope of the invention, so it should be understood that other equivalents and modifications could be made thereto without departing from the spirit and scope of the invention.
The following examples are given by way of illustration of embodiments of the invention and are not to be construed as limiting the invention, and it will be understood by those skilled in the art that modifications may be made without departing from the spirit and scope of the invention. Unless otherwise specified, reagents and equipment used in the following examples are commercially available products.
Example 1
The cellulose fiber fabric cation modified printing washing anti-staining process comprises the following steps:
(1) the cation modification process comprises the following steps:
preparing 120g/L modifier 3-chloro-2-hydroxypropyl trimethyl ammonium chloride and 20g/L solution of sodium hydroxide, uniformly mixing, padding the fabric, wherein the fabric specification is 40 multiplied by 40, 133 multiplied by 72, one padding and one rolling, the liquid carrying rate is 80%, piling for 24 hours at room temperature, washing with cold water, washing with hot water twice, washing with cold water, neutralizing with 2g/L citric acid solution, washing with cold water, and drying.
(2) The reactive dye printing process comprises the following steps: and printing by using a conventional reactive dye.
(3) And (3) a washing process after printing:
4.5kg of washing base liquid is prepared and placed in three washing tanks, 1.5kg of each washing tank, the temperature of the washing liquid is kept constant at 60 ℃, the concentration of the added liquid is 1 percent and 15 percent, the concentration of the added liquid is 2 percent and 5 percent, the temperature of the added liquid is kept constant at 60 ℃, and the cloth feeding speed is 80 m/min. In the first rinsing bath for feeding cloth, the rinsing liquid discharging speed is 85L/min, and the additional liquid 1 is added in the first rinsing bath at the additional speed of 100L/min; the second rinsing bath and the third rinsing bath are connected in series, the third rinsing bath flows to the second rinsing bath, the flow rate is 85L/min, the liquid discharging speed of the second rinsing bath is 85L/min, and the additional liquid 2 is added to the third rinsing bath at the additional speed of 85L/min. And (3) feeding the printed cloth to be washed from the first washing tank, passing through the three warm water tanks, then feeding into the fourth cold water washing tank, and then feeding into a dryer for drying to obtain the printed cellulose fiber fabric. In the washing process after printing, the weak cation washing assistant can adsorb dye which is not fixed in color without being adhered again, and the washing liquid is added in the washing process, so that the assistant concentration in the washing water is increased, the assistant concentration can be balanced with the increased dye concentration, and the staining caused by the increase of the chroma of the washing water is avoided; the nonionic surfactant increases the solubility of the washed-off dye in water.
The fabric obtained in the embodiment is sampled at the front 10m and the back 10m of the washed fabric, and the whiteness of the unprinted part of the white background and the color index of the light-colored part are tested. The method for testing the whiteness value and the color value of the fabric comprises the following steps: the measurement was carried out under a standard illuminant D65 using a colorimeter (color i7 manufactured by X-rite Co.).
The whiteness values of the samples taken at the first 10m and the second 10m of the washed fabric obtained in this example are shown in Table 1.
TABLE 1 white background whiteness value of printing and washing
| Whiteness value | |
| First 10m sample | 106.51 |
| Last 10m sample | 106.46 |
The pattern of part of the fabric obtained in this example is shown in FIG. 1, and the color data of the light color of the sample after sampling the first 10m and the second 10m of the fabric after washing in this example are shown in Table 2.
TABLE 2 light color data for the water washed portions of the print
| Name (R) | L* | a* | b* | C* | h° | DEcmc |
| Yellow (first 10m) | 78.4 | -2.48 | 85.44 | 85.47 | 91.66 | |
| Yellow (rear 10m) | 78.94 | -3.06 | 85.14 | 85.2 | 92.06 | 0.37 |
| Light green (front 10m) | 57.59 | -43.21 | -9.13 | 44.16 | 191.93 | |
| Light green (rear 10m) | 57.25 | -44.41 | -9.06 | 45.32 | 191.53 | 0.53 |
| Orange (front 10m) | 63.4 | 45.52 | 35.37 | 57.65 | 37.85 | |
| Orange (rear 10m) | 62.66 | 45.84 | 36.33 | 58.49 | 38.39 | 0.6 |
As can be seen from tables 1 and 2, the process disclosed by the invention has an anti-staining effect, can effectively prevent the cation modified fabric from staining and cross-staining in the washing process, greatly improves the utilization rate of the dye, and widens the application range of the cation modified process of the cellulose fiber fabric.
Example 2
The cellulose fiber fabric cation modified printing washing anti-staining process comprises the following steps:
(1) the cation modification process comprises the following steps:
preparing 100g/L of modifier 2, 3-epoxypropyl trimethyl ammonium chloride and 20g/L of sodium hydroxide solution, uniformly mixing, then padding the fabric, wherein the fabric specification is 40 multiplied by 40, 133 multiplied by 72, one padding and one rolling, the liquid carrying rate is 60%, piling for 24 hours at room temperature, washing with cold water, washing with hot water twice, washing with cold water, neutralizing with 2g/L of citric acid solution, washing with cold water, and drying.
(2) The reactive dye printing process comprises the following steps: and printing by using a conventional reactive dye.
(3) And (3) a washing process after printing:
4.5kg of washing liquid base solution is prepared, the concentration of the washing liquid base solution is 8g/L, the washing liquid base solution is placed in three washing tanks, 1.5kg of each washing tank, the temperature of the washing liquid is kept constant at 40 ℃, 1 and 10 percent of chasing liquid are prepared, 2 and 3 percent of chasing liquid are prepared, the temperature of the chasing liquid is kept constant at 40 ℃, and the cloth feeding speed is 90 m/min.
The discharging speed of the washing liquid in the first washing tank for cloth feeding is 100L/min, and the adding liquid 1 is added in the first washing tank at the adding speed of 85L/min; the second rinsing bath and the third rinsing bath are connected in series, the water in the third rinsing bath flows to the second rinsing bath at the flow rate of 100L/min and the liquid discharge speed of the second rinsing bath is 100L/min, and the additional liquid 2 is added to the third rinsing bath at the additional speed of 100L/min. And (3) feeding the printed cloth to be washed from the first washing tank, passing through the three warm water tanks, then feeding into the fourth cold water washing tank, and then feeding into a dryer for drying to obtain the printed cellulose fiber fabric.
In the washing process after printing, the weak cation washing assistant can adsorb dye which is not fixed in color without being adhered again, and the washing liquid is added in the washing process, so that the assistant concentration in the washing water is increased, the assistant concentration can be balanced with the increased dye concentration, and the staining caused by the increase of the chroma of the washing water is avoided; the nonionic surfactant increases the solubility of the washed-off dye in water.
Example 3
The cellulose fiber fabric cation modified printing washing anti-staining process comprises the following steps:
(1) the cation modification process comprises the following steps:
preparing 130g/L of modifier 2, 3-epoxypropyl trimethyl ammonium chloride and 20g/L of sodium hydroxide solution, uniformly mixing, then padding the fabric, wherein the fabric specification is 40 multiplied by 40, 133 multiplied by 72, one padding and one rolling, the liquid carrying rate is 100%, piling for 24 hours at room temperature, washing with cold water, washing with hot water twice, washing with cold water, neutralizing with 2g/L of citric acid solution, washing with cold water, and drying.
(2) The reactive dye printing process comprises the following steps: and printing by using a conventional reactive dye.
(3) And (3) a washing process after printing:
4.5kg of washing liquid base solution is prepared, the concentration of the washing liquid base solution is 20g/L, the washing liquid base solution is placed in three washing tanks, 1.5kg of each washing tank, the temperature of the washing liquid is constant at 50 ℃, the concentration of the prepared additional liquid is 1, 20 percent, the concentration of the prepared additional liquid is 2, the concentration of the prepared additional liquid is 6 percent, the temperature of the additional liquid is constant at 50 ℃, and the cloth feeding speed is 90 m/min.
The discharging speed of the washing liquid in the first washing tank for cloth feeding is 90L/min, and the adding liquid 1 is added in the first washing tank at the adding speed of 90L/min; the second rinsing bath and the third rinsing bath are connected in series, the third rinsing bath flows to the second rinsing bath, the flow rate is 90L/min, the liquid discharging speed of the second rinsing bath is 90L/min, and the additional liquid 2 is additionally added to the third rinsing bath at the additional speed of 90L/min. And (3) feeding the printed cloth to be washed from the first washing tank, passing through the three warm water tanks, then feeding into the fourth cold water washing tank, and then feeding into a dryer for drying to obtain the printed cellulose fiber fabric.
In the washing process after printing, the weak cation washing assistant can adsorb dye which is not fixed in color and does not adhere back, and the washing liquid is added in the washing process, so that the assistant concentration in the washing water is increased, the assistant concentration can be balanced with the increased dye concentration, and staining caused by the increase of the washing water color degree is avoided; the nonionic surfactant increases the solubility of the washed-off dye in water. The method provided by the invention can effectively prevent the dye from being back-stained and cross-colored in the washing process of the cation modified fabric, greatly improves the utilization rate of the dye and enlarges the application range of the cation modification process of the cellulose fiber fabric.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. A cationic modified printing washing anti-staining process for a cellulose fiber fabric is characterized by comprising the following steps:
(1) the cation modification process comprises the following steps: padding with a modifier → stacking at room temperature → washing with water;
(2) a reactive dye printing process;
(3) and (3) a washing process after printing: preparing water washing liquid → first washing, warm washing of the water washing liquid → second washing, warm washing of the water washing liquid → third washing, warm washing of the water washing liquid → cold washing.
2. The cellulose fiber fabric cationic modification printing washing anti-staining process according to claim 1, characterized in that in step 1, 5-10% o.w.f. of a modifier is padded, wherein the modifier comprises cationic aids with different molecular weights, and comprises one or more of quaternary ammonium salt modifiers and ammonium chloride modifiers.
3. The cellulose fiber fabric cation modified printing washing anti-staining process as claimed in claim 1, wherein in step 3, a washing auxiliary agent is added to the washing solution, the washing auxiliary agent is a mixture of a weak cation surfactant and a nonionic surfactant, and comprises one or more of fatty amine polyoxyethylene ether, fatty alcohol polyoxyethylene ether and dodecyl trimethyl ammonium chloride.
4. The cellulose fiber fabric cation modified printing washing anti-staining process as claimed in claim 1, wherein in step 3, the concentration of the base solution of the three washing solutions is 8-20g/L, the water temperature is 40-60 ℃, and the washing time of each washing solution is 1 min.
5. The cellulose fiber fabric cation modified printing washing anti-staining process as claimed in claim 4, wherein in the first washing, the concentration of the additional washing auxiliary agent is 10% -20%, the additional speed is 85-100L/min, and the discharge speed of the washing sewage is 85-100L/min.
6. The cellulose fiber fabric cation modified printing water-washing anti-staining process as claimed in claim 5, wherein the third water-washing is carried out at an additional washing auxiliary agent concentration of 3% -6% and an additional speed of 85-100L/min.
7. The cellulose fiber fabric cation modified printing washing anti-staining process as claimed in claim 6, wherein the third washing liquid flows back to the second washing tank, the water flow speed of the backflow is 85-100L/min, and the discharge speed of the second washing liquid is 85-100L/min.
8. The cellulose fiber fabric cationic modified printing water-washing anti-staining process as claimed in claim 7, wherein the cloth feeding speed of the three washing steps is 80-100 m/min.
9. The cellulose fiber fabric cation modified printing washing anti-staining process as claimed in claim 1, wherein the padding modifier process in step 1 specifically comprises: the liquid carrying rate is 60-100 percent after one-time soaking and one-time rolling.
10. The cellulose fiber fabric cation modified printing water-washing anti-staining process according to claim 1, wherein the water-washing process in the step 1 specifically comprises the following steps: cold water washing → hot water washing twice → cold water washing → neutralization with 2g/L citric acid solution and water washing → cold water washing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112195668A (en) * | 2020-08-28 | 2021-01-08 | 中山子目相服饰科技有限公司 | Digital dyeing method |
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