CN113373707A - Dyeing process for colored spun yarn textile - Google Patents
Dyeing process for colored spun yarn textile Download PDFInfo
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- CN113373707A CN113373707A CN202110686834.2A CN202110686834A CN113373707A CN 113373707 A CN113373707 A CN 113373707A CN 202110686834 A CN202110686834 A CN 202110686834A CN 113373707 A CN113373707 A CN 113373707A
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- 238000004043 dyeing Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 75
- 230000008569 process Effects 0.000 title claims abstract description 62
- 239000004753 textile Substances 0.000 title claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 25
- 238000005406 washing Methods 0.000 claims abstract description 24
- 229920000742 Cotton Polymers 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 96
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 64
- 239000003795 chemical substances by application Substances 0.000 claims description 60
- 239000004744 fabric Substances 0.000 claims description 60
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 58
- 238000004321 preservation Methods 0.000 claims description 40
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 32
- 235000011152 sodium sulphate Nutrition 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 28
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 28
- 235000017550 sodium carbonate Nutrition 0.000 claims description 28
- 239000004902 Softening Agent Substances 0.000 claims description 25
- 239000002253 acid Substances 0.000 claims description 11
- 239000000985 reactive dye Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 6
- 238000002203 pretreatment Methods 0.000 claims description 6
- 239000002736 nonionic surfactant Substances 0.000 claims description 4
- 238000009987 spinning Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000006116 polymerization reaction Methods 0.000 description 6
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
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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
- 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
- D06P1/445—Use of auxiliary substances before, during or after dyeing or printing
-
- 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
- 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
- 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
-
- 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
- D06P5/04—After-treatment with organic 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
- D06P5/08—After-treatment with organic compounds macromolecular
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention provides a dyeing process for colored spun yarn textile, which belongs to the technical field of textile dyeing, does not discharge liquid in a pretreatment and dyeing one-bath process route, and is characterized in that the temperature is raised once during pretreatment, the final temperature of the temperature rise is maintained after the temperature rise, a dyeing procedure is carried out at the final temperature, and constant-temperature or variable-temperature soaping, hot washing, oiling and color fixing procedures are carried out after the dyeing procedure. The invention shortens the dyeing time and reduces the energy consumption. The water consumption of each ton of cotton is about 10 tons, and the steam is saved by 0.52 ton. The length of the fiber dyed by the dyeing method is 26-28.5mm, so that the short fiber rate is reduced, and the short fiber rate is 22-30%; the breaking strength of the single fiber is 1.9-2.4; in the invention, YX-103 has small damage to the fiber, soft hand feeling and uniform color. The invention develops a 'pretreatment and dyeing' one-bath technology aiming at dark and black varieties to overcome the defects and shortcomings of the prior art.
Description
Technical Field
The invention relates to the technical field of textile dyeing, in particular to a dyeing process for colored spun yarn textile.
Background
Generally, most of the conventional dyeing of the colored spun yarns adopts the technology of draining liquid, washing with water for 1-2 times after pretreatment, and then dyeing. The technology has wide applicability, is not easy to generate the condition of color bloom, but has the conditions of more water consumption, long flow, time consumption and energy consumption.
In the traditional dyeing process, after the temperature rise treatment after the pretreatment before dyeing, a liquid drainage link exists, and the dyeing treatment is carried out after the liquid drainage is carried out along with the primary water washing and the temperature is reduced to the normal temperature. The process is more suitable for dyeing the spun-dyed textiles with bright colors, and is not suitable for dyeing deep-color and black spun-dyed textiles.
Disclosure of Invention
The technical task of the invention is to solve the defects of the prior art and provide a dyeing process for colored spun yarn spinning.
The technical scheme of the invention is realized according to the following mode, and the dyeing process of the colored spun yarn textile comprises the following process routes:
liquid is not discharged in the pre-treatment and dyeing one-bath process route, the temperature is raised for one time during the pre-treatment, the final temperature of the temperature rise is maintained after the temperature rise, the dyeing process is carried out at the final temperature, and the constant-temperature or variable-temperature soaping, hot washing, oiling and color fixing processes are carried out after the dyeing process;
the process comprises the following specific steps:
firstly, pretreating before dyeing, namely adding a low-temperature pretreatment agent at the temperature of 20-30 ℃, wherein the addition amount of the low-temperature pretreatment agent accounts for 1-2% of the total amount of the cotton fibers, heating to 60 ℃ at the speed of 2 ℃/min, and carrying out heat preservation treatment for 30-50 min;
liquid is not discharged in the processes of the pretreatment and the temperature rise, and the second step is directly carried out;
secondly, dyeing, namely adding reactive dye, anhydrous sodium sulphate and sodium carbonate at the temperature of 60 ℃, and carrying out heat preservation treatment for 40 minutes to carry out dyeing; the adding amount of the reactive dye accounts for 1-10% of the weight of the fabric, the adding amount of the anhydrous sodium sulphate is 15-80 g/L, and the adding amount of the sodium carbonate is 5-20 g/L, wherein the anhydrous sodium sulphate and the sodium carbonate are respectively added in batches;
thirdly, acid soaping, namely adding acetic acid and a soaping agent at 25 ℃, wherein the adding amount of the acetic acid accounts for 2g/L of the weight of the fabric, the adding amount of the soaping agent accounts for 2% of the weight of the fabric, heating to 98 ℃ at the speed of 2 ℃/min, carrying out heat preservation treatment for 10 min, and then cooling to the fourth step;
fourthly, hot washing, namely heating to 60-98 ℃ at the temperature of 25 ℃ at the speed of 2 ℃/min, carrying out heat preservation treatment for 10 min, carrying out acid washing, and then cooling to the fifth step;
fifthly, color fixing, namely adding acetic acid, a color fixing agent and a softening agent at 25 ℃, wherein the addition amount of the acetic acid accounts for 0.5 percent of the weight of the fabric, the addition amount of the color fixing agent accounts for 0.5 to 2 percent of the weight of the fabric, and the addition amount of the softening agent accounts for 0.3 to 1 percent of the weight of the fabric; heating to 60 ℃ at the speed of 2 ℃/min, and fixing color after heat preservation treatment for 20 min.
In the second dyeing step, anhydrous sodium sulphate is divided into three parts according to the total amount of the anhydrous sodium sulphate, and the anhydrous sodium sulphate is added in three times.
In the second dyeing step, soda ash is added according to 1/10, 3/10, 3/10 and 3/10 of the total amount of soda ash four times respectively.
The low-temperature pretreatment agent adopts a modified nonionic surfactant YX-03.
The soaping agent is selected from DQ-1522, DM-1510, DM-1564N, RHT-402, SZ-4861 or their mixture.
The color fixing agent adopts TN-1.
The softening agent adopts ternary co-clustering softening agent.
The length of the dyed fiber is 26-28.5mm,
the short fiber rate is 22 to 30 percent,
the single fiber has a breaking strength of 1.9 to 2.4 cN/dtex.
The dyeing process for the colored spun yarn textile is applied to a dyeing method for the colored spun yarn textile of dark and black varieties.
Compared with the prior art, the invention has the following beneficial effects:
the dyeing process of the colored spun yarn textile comprises the steps of pretreatment and dyeing, wherein the pretreatment condition is that 1 percent (fabric weight) of modified nonionic surfactant is added, then the temperature is raised to 60 ℃ at the speed of 2 ℃/min, and the dyeing is directly carried out after the heat preservation treatment for 30 min. The method has the advantages of short time consumption, one-time heating steam saving, twice water saving and dyeing quality guarantee. The invention shortens the dyeing time and reduces the energy consumption.
The water consumption of each ton of cotton is about 10 tons, and the steam is saved by 0.52 ton. The length of the fiber dyed by the dyeing method is 26-28.5mm, so that the short fiber rate is reduced, and the short fiber rate is 22-30%; the breaking strength of the single fiber is 1.9-2.4 cN/dtex; in the invention, YX-103 has small damage to the fiber, soft hand feeling and uniform color.
The invention develops a 'pretreatment and dyeing' one-bath technology aiming at dark and black varieties, and aims to overcome the defects and shortcomings of the prior art.
The invention has less energy consumption and can save water consumption of 5 tons/ton cotton. The invention is more suitable for dyeing the deep-color and black colored spun yarn textiles.
The dyeing process for the colored spun yarn textile is reasonable in design, simple in structure, safe, reliable, convenient to use, easy to maintain and good in popularization and use value.
Drawings
FIG. 1 is a schematic diagram of a conventional process route;
FIG. 2 is a schematic diagram of a process route of the present invention.
Detailed Description
The dyeing process of a colored spun yarn textile according to the present invention will be described in detail below with reference to the accompanying drawings.
As shown in the attached drawings, the dyeing process for the colored spun yarn textile comprises the following steps:
liquid is not discharged in the pretreatment and dyeing one-bath process route, the temperature is raised once during pretreatment, the final temperature of the temperature rise is maintained after the temperature rise, the dyeing process is carried out at the final temperature, and the constant-temperature or variable-temperature soaping, hot washing, oiling and color fixing processes are carried out after the dyeing process.
The process route is as follows:
liquid is not discharged in the pre-treatment and dyeing one-bath process route, the temperature is raised for one time during the pre-treatment, the final temperature of the temperature rise is maintained after the temperature rise, the dyeing process is carried out at the final temperature, and then the variable-temperature soaping, hot washing, oiling and color fixing processes are carried out;
the process comprises the following specific steps:
firstly, pretreating before dyeing, namely adding a low-temperature pretreatment agent at the temperature of 20-30 ℃, wherein the addition amount of the low-temperature pretreatment agent accounts for 1-2% of the total amount of the cotton fibers, heating to 60 ℃ at the speed of 2 ℃/min, and carrying out heat preservation treatment for 30-50 min;
liquid is not discharged in the processes of the pretreatment and the temperature rise, and the second step is directly carried out;
secondly, dyeing, namely adding reactive dye, anhydrous sodium sulphate and sodium carbonate at the temperature of 60 ℃, and carrying out heat preservation treatment for 40 minutes to carry out dyeing; the adding amount of the reactive dye accounts for 5 percent of the weight of the fabric, the adding amount of the anhydrous sodium sulphate is 15-80 g/L, and the adding amount of the calcined soda is 5-20 g/L, wherein the anhydrous sodium sulphate and the calcined soda are respectively added in batches;
thirdly, acid soaping, namely adding acetic acid and a soaping agent at 25 ℃, wherein the adding amount of the acetic acid accounts for 2g/L of the weight of the fabric, the adding amount of the soaping agent accounts for 2% of the weight of the fabric, heating to 98 ℃ at the speed of 2 ℃/min, carrying out heat preservation treatment for 10 min, and then cooling to the fourth step;
fourthly, hot washing, namely heating to 60-98 ℃ at the temperature of 25 ℃ at the speed of 2 ℃/min, carrying out heat preservation treatment for 10 min, carrying out acid washing, and then cooling to the fifth step;
fifthly, color fixing, namely adding acetic acid, a color fixing agent and a softening agent at 25 ℃, wherein the addition amount of the acetic acid accounts for 0.5 percent of the weight of the fabric, the addition amount of the color fixing agent accounts for 0.5 to 2 percent of the weight of the fabric, and the addition amount of the softening agent accounts for 0.3 to 1 percent of the weight of the fabric; heating to 60 ℃ at the speed of 2 ℃/min, and fixing color after heat preservation treatment for 20 min.
In the second dyeing step, anhydrous sodium sulphate is divided into three parts according to the total amount of the anhydrous sodium sulphate, and the anhydrous sodium sulphate is added in three times.
In the second dyeing step, the sodium carbonate is added respectively for four times according to 1/10, 3/10, 3/10 and 3/10 of the total amount of the sodium carbonate;
the low-temperature pretreatment agent adopts a modified nonionic surfactant YX-03.
The soaping agent is DQ-1522, DM-1510, DM-1564N, RHT-402, or SZ-4861.
The color fixing agent adopts TN-1.
The softening agent adopts ternary co-clustering softening agent.
The length of the dyed fiber is 26-28.5mm, the short fiber rate is 22-30%,
the single fiber has a breaking strength of 1.9 to 2.4 cN/dtex.
The process is applied to the dyeing method of the spun-dyed textiles with dark colors and black varieties.
According to the dyeing process for the colored spun yarn textile, the refining penetrant is compounded with the low-temperature pretreatment agent, the colored pattern probability of high-temperature alkali addition is reduced, and the fractional dosage of the alkali is adjusted.
Experimental data:
according to the dyeing process for the colored spun yarn textile, water can be saved by 6-10 tons per ton of cotton; the electric charge is saved, and the motor of 18 kilowatts is saved every 30 minutes; the steam is saved by 0.25 ton/ton cotton, and the steam saving value is about 50 yuan. And the fiber loss in the process is greatly reduced.
In the present invention, "%" is w/w mass%.
The soaping agent DQ-1522 can effectively remove loose color so that the soaping fastness reaches 4 grades.
The color fixing agent TN-1 belongs to a multi-component ammonium color fixing agent, a cationic color fixing agent and dye molecules are bonded to the surface of fibers without influencing the hand feeling of fabrics, and the bonding is very strong, so that hydrolyzed dyes generated at high temperature can be firmly bonded to the fibers, and the fabrics do not fade when soaked in high-temperature water. The dosage is low, and the continuous improvement performance is obvious; the color of the fabric after color fixation becomes small; the hydrophilicity of the fabric is not influenced, and the fabric is easy to repair; can be used together with most of softening agents in a bath, thereby improving the processing efficiency; does not contain formaldehyde, and is safe and environment-friendly.
The ternary polymerization softening agent and the silicone oil softening agent enable the fiber to have soft smoothness adaptive to processing conditions, and further avoid damage.
Example 1:
the method comprises the following specific steps:
pretreating before dyeing in the first step, adding a low-temperature treating agent YX-103 at 35 ℃, wherein the adding amount of the treating agent accounts for 1% of the total amount of the cotton fibers, heating to 60 ℃ at the speed of 2 ℃/min, and carrying out heat preservation treatment for 30 minutes;
dyeing in the second step, after pretreatment at 60 ℃, discharging liquid, directly adding reactive dyes 3BSN, yellow 3RS, ultramarine B, anhydrous sodium sulphate and soda ash, and carrying out heat preservation treatment for 60 minutes for dyeing; the adding amount of 3BSN accounts for 0.6 percent of the weight of the fabric, the adding amount of 3RS accounts for 1.3 percent of the weight of the fabric, the adding amount of anhydrous sodium sulphate of 0.03 percent of the weight of the anhydrous blue B accounts for 30g/L, and the adding amount of the sodium carbonate accounts for 10g/L, wherein the anhydrous sodium sulphate and the sodium carbonate are respectively added for three times;
thirdly, acid washing and soaping, wherein acetic acid and a soaping agent are added at the temperature of 25 ℃, the addition amount of the acetic acid accounts for 2% of the weight of the fabric, the addition amount of the soaping agent accounts for 1.5% of the weight of the fabric, the temperature is raised to 98 ℃ at the speed of 2 ℃/min, and the heat preservation treatment is carried out for 10 min;
fourthly, hot washing, heating to 80 ℃ at 25 ℃ at a speed of 2 ℃/min, and carrying out heat preservation treatment for 10 min;
fifthly, color fixing, namely adding acetic acid, a color fixing agent TN-1 and a ternary polymerization softening agent at the temperature of 25 ℃, wherein the adding amount of the acetic acid accounts for 0.5 percent of the weight of the fabric, the adding amount of the color fixing agent accounts for 1.5 percent of the weight of the fabric, and the adding amount of the softening agent accounts for 1 percent of the weight of the fabric; heating to 60 ℃ at the speed of 2 ℃/min, and fixing color after heat preservation treatment for 20 min.
Example 2:
the method comprises the following specific steps:
pretreating before dyeing in the first step, adding a low-temperature treating agent YX-103 at 35 ℃, wherein the adding amount of the treating agent accounts for 1% of the total amount of the cotton fibers, heating to 60 ℃ at the speed of 2 ℃/min, and carrying out heat preservation treatment for 30 minutes;
dyeing in the second step, after pretreatment at 60 ℃, discharging liquid, directly adding reactive dyes 3BSN, yellow 3RS, ultramarine B, anhydrous sodium sulphate and soda ash, and carrying out heat preservation treatment for 60 minutes for dyeing; the adding amount of 3BSN accounts for 1 percent of the weight of the fabric, the adding amount of 3RS accounts for 0.8 percent of the weight of the fabric, the adding amount of black CK-RW 8.33 percent anhydrous sodium sulphate is 100g/L, and the adding amount of sodium carbonate is 20g/L, wherein the anhydrous sodium sulphate and the sodium carbonate are respectively added in three times;
thirdly, acid washing and soaping, wherein acetic acid and a soaping agent are added at the temperature of 25 ℃, the addition amount of the acetic acid accounts for 2% of the weight of the fabric, the addition amount of the soaping agent accounts for 1.5% of the weight of the fabric, the temperature is raised to 98 ℃ at the speed of 2 ℃/min, and the heat preservation treatment is carried out for 10 min;
fourthly, hot washing, heating to 98 ℃ at 25 ℃ at a speed of 2 ℃/min, and carrying out heat preservation treatment for 10 min;
fifthly, color fixing, namely adding acetic acid, a color fixing agent TN-1 and a ternary polymerization softening agent at the temperature of 25 ℃, wherein the adding amount of the acetic acid accounts for 0.5 percent of the weight of the fabric, the adding amount of the color fixing agent accounts for 2 percent of the weight of the fabric, and the adding amount of the softening agent accounts for 1 percent of the weight of the fabric; heating to 60 ℃ at the speed of 2 ℃/min, and fixing color after heat preservation treatment for 20 min.
Example 3:
the method comprises the following specific steps:
pretreating before dyeing in the first step, adding a low-temperature treating agent YX-103 at 35 ℃, wherein the adding amount of the treating agent accounts for 1% of the total amount of the cotton fibers, heating to 60 ℃ at the speed of 2 ℃/min, and carrying out heat preservation treatment for 30 minutes;
dyeing in the second step, after pretreatment at 60 ℃, discharging liquid, directly adding reactive dyes 3BSN, yellow 3RS, ultramarine B, anhydrous sodium sulphate and soda ash, and carrying out heat preservation treatment for 60 minutes for dyeing; the adding amount of 3BSN accounts for 0.6 percent of the weight of the fabric, the adding amount of 3RS accounts for 1.5 percent of the weight of the fabric, the adding amount of anhydrous sodium sulphate which accounts for 30g/L and the adding amount of sodium carbonate which accounts for 10g/L are respectively added in three times;
thirdly, acid washing and soaping, wherein acetic acid and a soaping agent are added at the temperature of 25 ℃, the addition amount of the acetic acid accounts for 3 percent of the weight of the fabric, the addition amount of the soaping agent accounts for 2.5 percent of the weight of the fabric, the temperature is raised to 98 ℃ at the speed of 2 ℃/min, and the heat preservation treatment is carried out for 10 minutes;
fourthly, hot washing, heating to 80 ℃ at 25 ℃ at a speed of 2 ℃/min, and carrying out heat preservation treatment for 10 min;
fifthly, color fixing, namely adding acetic acid, a color fixing agent TN-1 and a ternary polymerization softening agent at the temperature of 25 ℃, wherein the adding amount of the acetic acid accounts for 0.8 percent of the weight of the fabric, the adding amount of the color fixing agent accounts for 3.5 percent of the weight of the fabric, and the adding amount of the softening agent accounts for 1.6 percent of the weight of the fabric; heating to 60 ℃ at the speed of 2 ℃/min, and fixing color after heat preservation treatment for 20 min.
Example 4:
the method comprises the following specific steps:
pretreating before dyeing in the first step, adding a low-temperature treating agent YX-103 at 35 ℃, wherein the adding amount of the treating agent accounts for 1% of the total amount of the cotton fibers, heating to 60 ℃ at the speed of 2 ℃/min, and carrying out heat preservation treatment for 30 minutes;
dyeing in the second step, after pretreatment at 60 ℃, discharging liquid, directly adding reactive dyes 3BSN, yellow 3RS, ultramarine B, anhydrous sodium sulphate and soda ash, and carrying out heat preservation treatment for 60 minutes for dyeing; the adding amount of 3BSN accounts for 1 percent of the weight of the fabric, the adding amount of 3RS accounts for 0.6 percent of the weight of the fabric, the adding amount of black CK-RW 7.98 percent anhydrous sodium sulphate is 100g/L, and the adding amount of sodium carbonate is 20g/L, wherein the anhydrous sodium sulphate and the sodium carbonate are respectively added in three times;
thirdly, acid washing and soaping, wherein acetic acid and a soaping agent are added at the temperature of 25 ℃, the addition amount of the acetic acid accounts for 2% of the weight of the fabric, the addition amount of the soaping agent accounts for 1.5% of the weight of the fabric, the temperature is raised to 98 ℃ at the speed of 2 ℃/min, and the heat preservation treatment is carried out for 10 min;
fourthly, hot washing, heating to 98 ℃ at 25 ℃ at a speed of 2 ℃/min, and carrying out heat preservation treatment for 10 min;
fifthly, color fixing, namely adding acetic acid, a color fixing agent TN-1 and a ternary polymerization softening agent at the temperature of 25 ℃, wherein the adding amount of the acetic acid accounts for 0.5 percent of the weight of the fabric, the adding amount of the color fixing agent accounts for 2 percent of the weight of the fabric, and the adding amount of the softening agent accounts for 1 percent of the weight of the fabric; heating to 60 ℃ at the speed of 2 ℃/min, and fixing color after heat preservation treatment for 20 min.
Comparative example 1 conventional dyeing process
Firstly, pretreatment is carried out before dyeing, 2g/L of sodium carbonate is added at the temperature of 35 ℃, the temperature is raised to 98 ℃ at the speed of 2 ℃/min, and heat preservation treatment is carried out for 30 min;
secondly, dyeing, namely adding 3BSN, yellow 3RS, ultramarine B, anhydrous sodium sulphate and soda ash as reactive dyes at 35 ℃, heating to 60 ℃ at a speed of 1 ℃/min, wherein the adding amount of the 3BSN accounts for 0.6 percent of the weight of the fabric, the adding amount of the 3RS accounts for 1.3 percent of the weight of the fabric, the adding amount of the anhydrous sodium sulphate accounts for 30g/L, the adding amount of the soda ash accounts for 10g/L, the anhydrous sodium sulphate and the soda ash are respectively added for three times, and the temperature is kept for 60 minutes;
thirdly, acid washing and soaping, wherein acetic acid and a soaping agent are added at the temperature of 25 ℃, the addition amount of the acetic acid accounts for 2% of the weight of the fabric, the addition amount of the soaping agent accounts for 1.5% of the weight of the fabric, the temperature is raised to 98 ℃ at the speed of 2 ℃/min, and the heat preservation treatment is carried out for 10 min;
fourthly, hot washing, heating to 80 ℃ at 25 ℃ at a speed of 2 ℃/min, and carrying out heat preservation treatment for 10 min;
fifthly, color fixing, namely adding acetic acid, a color fixing agent TN-1 and a ternary polymerization softening agent at the temperature of 25 ℃, wherein the adding amount of the acetic acid accounts for 0.5 percent of the weight of the fabric, the adding amount of the color fixing agent accounts for 1.5 percent of the weight of the fabric, and the adding amount of the softening agent accounts for 1 percent of the weight of the fabric; heating to 60 ℃ at the speed of 2 ℃/min, and fixing color after heat preservation treatment for 20 min.
The results of comparing the examples with the comparative examples are shown in tables 1 and 2:
TABLE 1
TABLE 2
| Categories | Energy consumption (ton cotton consumption) | Time of the whole process |
| Comparative example 1 | Steam 6.3T water consumption 70T | 370 minutes |
| Example 1 | Steam 4.8T water consumption 60T (cost reduction about 730 yuan/ton cotton) | 340 to 350 minutes |
| Example 2 | Steam 6.5T Water consumption 58T (cost reduction about 720 yuan/ton cotton) | 340 to 350 minutes |
| Example 3 | Steam 5.5T Water consumption 59T (cost reduction about 722 yuan/ton cotton) | 300 to 330 minutes |
| Example 4 | Steam 6.1T water consumption 60T (cost reduction about 740 yuan/ton cotton) | 310 to 350 minutes |
As can be seen from tables 1 and 2, the present invention has the advantages of low short fiber rate, high single fiber breaking strength, short process, energy saving and consumption reduction.
Claims (10)
1. A dyeing process for colored spun yarn spinning is characterized in that the process route is as follows:
liquid is not discharged in the pretreatment and dyeing one-bath process route, the temperature is raised once during pretreatment, the final temperature of the temperature rise is maintained after the temperature rise, the dyeing process is carried out at the final temperature, and the constant-temperature or variable-temperature soaping, hot washing, oiling and color fixing processes are carried out after the dyeing process.
2. A dyeing process for colored spun yarn spinning is characterized in that: the process route is as follows:
liquid is not discharged in the pre-treatment and dyeing one-bath process route, the temperature is raised for one time during the pre-treatment, the final temperature of the temperature rise is maintained after the temperature rise, the dyeing process is carried out at the final temperature, and the constant-temperature or variable-temperature soaping, hot washing, oiling and color fixing processes are carried out after the dyeing process;
the process comprises the following specific steps:
firstly, pretreating before dyeing, namely adding a low-temperature pretreatment agent at the temperature of 20-30 ℃, wherein the addition amount of the low-temperature pretreatment agent accounts for 1-2% of the total amount of the cotton fibers, heating to 60 ℃ at the speed of 2 ℃/min, and carrying out heat preservation treatment for 30-50 min;
liquid is not discharged in the processes of the pretreatment and the temperature rise, and the second step is directly carried out;
secondly, dyeing, namely adding reactive dye, anhydrous sodium sulphate and sodium carbonate at the temperature of 60 ℃, and carrying out heat preservation treatment for 40 minutes to carry out dyeing; the adding amount of the reactive dye accounts for 1-10% of the weight of the fabric, the adding amount of the anhydrous sodium sulphate is 15-80 g/L, and the adding amount of the sodium carbonate is 5-20 g/L, wherein the anhydrous sodium sulphate and the sodium carbonate are respectively added in batches;
thirdly, acid soaping, namely adding acetic acid and a soaping agent at 25 ℃, wherein the adding amount of the acetic acid accounts for 2g/L of the weight of the fabric, the adding amount of the soaping agent accounts for 2% of the weight of the fabric, heating to 98 ℃ at the speed of 2 ℃/min, carrying out heat preservation treatment for 10 min, and then cooling to the fourth step;
fourthly, hot washing, namely heating to 60-98 ℃ at the temperature of 25 ℃ at the speed of 2 ℃/min, carrying out heat preservation treatment for 10 min, carrying out acid washing, and then cooling to the fifth step;
fifthly, color fixing, namely adding acetic acid, a color fixing agent and a softening agent at 25 ℃, wherein the addition amount of the acetic acid accounts for 0.5 percent of the weight of the fabric, the addition amount of the color fixing agent accounts for 0.5 to 2 percent of the weight of the fabric, and the addition amount of the softening agent accounts for 0.3 to 1 percent of the weight of the fabric; heating to 60 ℃ at the speed of 2 ℃/min, and fixing color after heat preservation treatment for 20 min.
3. Dyeing process for a spun-dyed yarn according to claim 2, characterized in that:
in the second dyeing step, anhydrous sodium sulphate is divided into three parts according to the total amount of the anhydrous sodium sulphate, and the anhydrous sodium sulphate is added in three times.
4. Dyeing process for a spun-dyed yarn according to claim 2, characterized in that:
in the second dyeing step, soda ash is added according to 1/10, 3/10, 3/10 and 3/10 of the total amount of soda ash four times respectively.
5. Dyeing process for a spun-dyed yarn according to claim 2, characterized in that:
the low-temperature pretreatment agent adopts a modified nonionic surfactant YX-03.
6. Dyeing process for a spun-dyed yarn according to claim 2, characterized in that:
the soaping agent is selected from DQ-1522, DM-1510, DM-1564N, RHT-402, SZ-4861 or their mixture.
7. Dyeing process for a spun-dyed yarn according to claim 2, characterized in that:
the color fixing agent adopts TN-1.
8. Dyeing process for a spun-dyed yarn according to claim 2, characterized in that:
the softening agent adopts ternary co-clustering softening agent.
9. Dyeing process for a spun-dyed yarn according to claim 2, characterized in that:
the length of the dyed fiber is 26-28.5mm,
the short fiber rate is 22 to 30 percent,
the single fiber has a breaking strength of 1.9 to 2.4 cN/dtex.
10. Use of a dyeing process for spun-dyed fabric according to claim 1 or 2 in a method for dyeing a spun-dyed textile of dark or black variety.
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|---|---|---|---|---|
| CN101260623A (en) * | 2008-04-21 | 2008-09-10 | 浙江华孚色纺有限公司 | Cotton fibre rapid staining process |
| CN101525851A (en) * | 2008-08-13 | 2009-09-09 | 罗海航 | Reactive dye ultra-short rapid dyeing and fixation technology method |
| CN110080016A (en) * | 2019-04-16 | 2019-08-02 | 晋江市隆盛针织印染有限公司 | A kind of cotton fabric by utilizing reactive dye white silk dye one bath process of soap boiling |
| CN111663346A (en) * | 2020-06-11 | 2020-09-15 | 浙江银河印染有限公司 | One-bath one-step energy-saving dyeing method for all-cotton knitted fabric in dark and deep color without pretreatment |
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- 2021-06-21 CN CN202110686834.2A patent/CN113373707A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260623A (en) * | 2008-04-21 | 2008-09-10 | 浙江华孚色纺有限公司 | Cotton fibre rapid staining process |
| CN101525851A (en) * | 2008-08-13 | 2009-09-09 | 罗海航 | Reactive dye ultra-short rapid dyeing and fixation technology method |
| CN110080016A (en) * | 2019-04-16 | 2019-08-02 | 晋江市隆盛针织印染有限公司 | A kind of cotton fabric by utilizing reactive dye white silk dye one bath process of soap boiling |
| CN111663346A (en) * | 2020-06-11 | 2020-09-15 | 浙江银河印染有限公司 | One-bath one-step energy-saving dyeing method for all-cotton knitted fabric in dark and deep color without pretreatment |
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