CN111270537B - Cotton fabric refining dyeing one-bath dyeing process - Google Patents
Cotton fabric refining dyeing one-bath dyeing process Download PDFInfo
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- CN111270537B CN111270537B CN202010077127.9A CN202010077127A CN111270537B CN 111270537 B CN111270537 B CN 111270537B CN 202010077127 A CN202010077127 A CN 202010077127A CN 111270537 B CN111270537 B CN 111270537B
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- 239000004744 fabric Substances 0.000 title claims abstract description 66
- 229920000742 Cotton Polymers 0.000 title claims abstract description 61
- 238000004043 dyeing Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000007670 refining Methods 0.000 title claims abstract description 20
- 102000004190 Enzymes Human genes 0.000 claims abstract description 27
- 108090000790 Enzymes Proteins 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 14
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 5
- 238000002791 soaking Methods 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims abstract description 4
- 239000002253 acid Substances 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 230000000415 inactivating effect Effects 0.000 claims abstract description 3
- 229940088598 enzyme Drugs 0.000 claims description 25
- 229920002334 Spandex Polymers 0.000 claims description 14
- 239000004759 spandex Substances 0.000 claims description 14
- 239000004094 surface-active agent Substances 0.000 claims description 12
- 108010059892 Cellulase Proteins 0.000 claims description 8
- 102000004533 Endonucleases Human genes 0.000 claims description 8
- 108010042407 Endonucleases Proteins 0.000 claims description 8
- 108010029541 Laccase Proteins 0.000 claims description 8
- 108010029182 Pectin lyase Proteins 0.000 claims description 8
- 229940106157 cellulase Drugs 0.000 claims description 8
- 239000013527 degreasing agent Substances 0.000 claims description 8
- 230000007935 neutral effect Effects 0.000 claims description 8
- 238000009991 scouring Methods 0.000 claims description 7
- 238000005237 degreasing agent Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 239000000975 dye Substances 0.000 claims description 4
- 239000000985 reactive dye Substances 0.000 claims description 4
- 235000017550 sodium carbonate Nutrition 0.000 claims description 4
- 238000009877 rendering Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 19
- 239000000835 fiber Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 22
- 239000000243 solution Substances 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 210000004177 elastic tissue Anatomy 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- VNFPBHJOKIVQEB-UHFFFAOYSA-N clotrimazole Chemical compound ClC1=CC=CC=C1C(N1C=NC=C1)(C=1C=CC=CC=1)C1=CC=CC=C1 VNFPBHJOKIVQEB-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000009941 weaving Methods 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
- 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
- D06P1/46—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 natural macromolecular substances or derivatives thereof
-
- 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
- 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
- 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
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/8219—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and amide 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
- 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
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/8223—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups
- D06P3/8228—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups using one kind of dye
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Coloring (AREA)
Abstract
The invention discloses a one-bath dyeing process for cotton fabric by adopting refining dyeing, which comprises the following steps: soaking the cotton fabric into a treatment solution containing composite biological enzyme, heating to 50-58 ℃, and performing biological enzyme pretreatment for 30-60 min; then adding anhydrous sodium sulphate into the treatment solution directly, heating to 75-85 ℃, treating for 5-10 min, and inactivating the compound biological enzyme at high temperature; adding the activated dye into the treatment solution at a constant speed, wherein the adding time is 20-40 min, cooling to 60-70 ℃ after adding, adding sodium carbonate for 2-3 times, the adding time is 15-30 min each time, and keeping the temperature and dyeing for 40-60 min after adding; after dyeing, draining liquid, washing with water, adjusting acid, draining liquid and soaping. The cotton fabric refining and dyeing one-bath dyeing process has the advantages of high whiteness and capillary effect, small damage to fibers, no colored patterns on the cloth surface and high level dyeing degree.
Description
Technical Field
The invention belongs to the technical field of textile printing and dyeing, and particularly relates to a one-bath dyeing process for cotton fabric through refining and dyeing.
Background
Cotton is a natural cellulose fiber, the main component of which is cellulose, but during the growth process, there may be impurities such as pectin, waxy substances, ash, natural pigments, etc., and the presence of these impurities seriously affects the dye-uptake during the dyeing process, and therefore, it is necessary to remove the impurities by a pretreatment process such as scouring and bleaching before dyeing.
At present, the pretreatment process of cotton fabric mainly comprises two kinds:
(1) in the traditional pretreatment process, a large amount of chemical substances such as caustic soda, a surfactant, hydrogen peroxide and the like are adopted for refining and bleaching.
The process has the advantages that: the pretreatment effect is good, and the quality is stable; the disadvantages are: the damage to cotton fibers is usually large, waste water with large COD value can be generated, the environmental pollution is large, and a large amount of water resources are consumed, so that the method is contrary to the currently advocated green energy conservation and environmental protection.
(2) A biological enzyme pretreatment process.
The process has the advantages that: the damage to cotton fibers is usually small, and the environment is friendly; the disadvantages are that: the pretreatment effect is not as good as that of the traditional process, most of the pretreatment effects are for all cotton fabrics and few of the pretreatment effects are for cotton polyester fabrics, and for cotton ammonia fabrics, because spandex uses a large amount of silicone oil surfactants in the spinning and weaving processes, the treatment effect of the existing biological enzyme pretreatment method for the cotton ammonia fabrics is not ideal.
In addition, most cotton fabrics need to be drained before being dyed after pretreatment, and one-bath dyeing is difficult to realize, namely, the cloth surface has a colored pattern after one-bath dyeing.
Disclosure of Invention
The invention aims to solve the problems and provides a cotton fabric scouring and dyeing one-bath dyeing process which is high in whiteness and capillary effect, small in fiber damage, free of colored patterns on cloth surfaces and good in level dyeing degree.
The technical scheme for realizing the purpose of the invention is as follows: a cotton fabric refining and dyeing one-bath dyeing process comprises the following steps:
soaking the cotton fabric into a treatment solution containing composite biological enzyme, heating to 50-58 ℃ at the speed of 1-3 ℃/min, and carrying out biological enzyme pretreatment for 30-60 min;
secondly, adding anhydrous sodium sulphate into the treatment solution directly, heating to 75-85 ℃ at the speed of 1-5 ℃/min, treating for 5-10 min, and inactivating the compound biological enzyme at high temperature;
thirdly, adding the activated dye into the treatment liquid at a constant speed, wherein the adding time is 20-40 min, cooling to 60-70 ℃ at a speed of 1-2 ℃/min after adding, adding sodium carbonate for 2-3 times, the adding time is 15-30 min each time, and keeping the temperature and dyeing for 40-60 min;
discharging liquid after dyeing, washing with water at room temperature, adjusting acid at the temperature of 50-70 ℃ for 10-30 min until the pH value is 6-8, and soaping at the temperature of 50-100 ℃ for 10-30 min after discharging liquid.
In the first step, the concentration of the complex biological enzyme in the treatment solution containing the complex biological enzyme is 0.5 to 5g/L, preferably 1 to 3 g/L.
In the above step (i), the formula of the treatment solution containing the complex biological enzyme is as follows: 0.3-4.5 g/L alkaline pectin lyase, 0.1-1 g/L neutral cellulase, 0.05-0.5 g/L enriched endonuclease, 0.01-0.1 g/L laccase, 0.005-0.05 g/L surfactant CLD-H, 0-3 g/L spandex refining degreasing agent ACR, 0.1-1 g/L penetrant JFC and the balance of water.
In the first step, the formula of the treatment solution containing the complex biological enzyme is as follows: 0.5-2.5 g/L alkaline pectin lyase, 0.2-0.5 g/L neutral cellulase, 0.05-0.2 g/L enriched endonuclease, 0.01-0.1 g/L laccase, 0.01-0.03 g/L surfactant CLD-H, 0.5-2 g/L spandex refining degreasing agent ACR, 0.3-0.7 g/L penetrant JFC and the balance of water.
In the second step, the addition amount of the anhydrous sodium sulphate is 50-100 g per liter of the treatment fluid.
In the third step, the addition amount of the soda ash is 5-50 g per liter of the treatment fluid.
In the third step, the total amount of the reactive dye added is 0.01-5.0% of the weight of the cotton fabric.
In the first step, the cotton fabric is a pure cotton fabric, a cotton-containing blended fabric or a cotton-containing interwoven fabric, and preferably a cotton-ammonia interwoven fabric.
The invention has the following positive effects:
(1) the compound biological enzyme has reasonable compatibility and good impurity removal efficiency, and the cotton fabric dyed in one bath has good surface and no color.
(2) The surfactant CLD-H contained in the treatment solution has good compatibility with each biological enzyme, and can improve the activity of each biological enzyme, thereby effectively improving the capillary effect and whiteness of the fabric.
(3) The spandex scouring degreasing agent ACR contained in the treatment solution can effectively emulsify the silicone oil on the spandex to form stable dispersion liquid, so that the problem of dyeing defects in one-bath dyeing of most cotton/spandex fabrics is solved, and the bio-enzyme pretreatment process disclosed by the invention has a good treatment effect on pure cotton fabrics and polyester-cotton fabrics, has a good treatment effect on cotton-ammonia fabrics and has a wider application range.
(4) The cotton fabric refining and dyeing one-bath dyeing process adopts high-temperature inactivated compound biological enzyme, so that the cotton fabric refining and dyeing one-bath dyeing process has certain migration property on dye and better level dyeing degree.
Drawings
FIG. 1 is a flow chart of the dyeing process of example 1.
Detailed Description
(example 1)
The cotton fabric one-bath refining dyeing process of the embodiment comprises the following steps:
soaking cotton fabric (95% cotton and 5% spandex mixed fabric in the embodiment) in a treatment solution, heating to 55 ℃ at the speed of 1.5 ℃/min, and performing biological enzyme pretreatment for 60 min.
The treatment solution of this example was an aqueous solution containing 1.0g/L of alkaline pectin lyase, 0.35g/L of neutral cellulase, 0.1g/L of an enriched endonuclease, 0.05g/L of laccase, 0.02g/L of a surfactant CLD-H, 1.0g/L of a spandex scouring degreasing agent ACR, and 0.5g/L of a penetrant JFC.
Wherein the surfactant CLD-H is from XianChu Longda chemical industry Co., Ltd, the spandex scouring oil removal agent ACR is from Chan Anda, Chan, and the penetrating agent JFC is from Shanghai Feng Rui chemical industry Co., Ltd.
Secondly, 80g/L anhydrous sodium sulphate is directly added into the treatment solution in the first step, the temperature is raised to 80 ℃ at the speed of 4 ℃/min, the treatment is carried out for 10min, and the compound biological enzyme is inactivated at high temperature.
Thirdly, adding well-modified reactive dyes into the treatment liquid obtained in the second step at a constant speed, wherein the reactive dyes comprise Neofix Orange HF-3RW accounting for 0.10% of the weight of the cotton fabric, Remazol Br Red 3BS conc accounting for 1.50% of the weight of the cotton fabric and Neozol Black B133 BS accounting for 3.20% of the weight of the cotton fabric, the adding time is 30min, the temperature is reduced to 62 ℃ at the speed of 1.5 ℃/min after the adding, soda is added for 3 times (the total adding amount is 30g/L per liter of the treatment liquid), the adding time is 20min each time, and the heat preservation and dyeing are carried out for 60 min.
Discharging liquid after dyeing is finished, washing with water at room temperature, adjusting the temperature to 50 ℃ for 10min, adjusting the pH value to 7.5, discharging liquid, and soaping at 85 ℃ for 20 min.
The specific dyeing process curve is shown in figure 1.
(examples 2 to 5)
The cotton fabric scouring one-bath dyeing process of each example is substantially the same as that of example 1 except for the differences shown in table 1.
TABLE 1
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | |
| Cotton fabric | 95% cotton and 5% spandex mixed fabric | 65% cotton and 35% terylene blended fabric | 100% pure cotton fabric | 95% cotton and 5% spandex mixed fabric | 95% cotton and 5% spandex mixed fabric |
| Alkaline pectin lyase | 1.0g/L | 1.0g/L | 1.0g/L | 1.0g/L | 1.0g/L |
| Neutral cellulase | 0.35g/L | 0.35g/L | 0.35g/L | 0.25g/L | 0.40g/L |
| Enriched endonuclease | 0.1g/L | 0.1g/L | 0.1g/L | 0.15g/L | 0.08g/L |
| Laccase enzymes | 0.05g/L | 0.05g/L | 0.05g/L | 0.1g/L | 0.02g/L |
| Surfactant CLD-H | 0.02g/L | 0.02g/L | 0.02g/L | 0.02g/L | 0.02g/L |
| Urethane elastic fiber refining degreaser ACR | 1.0g/L | / | / | 1.1g/L | 0.9g/L |
| Penetrating agent JFC | 0.5g/L | 0.5g/L | 0.5g/L | 0.4g/L | 0.6g/L |
(comparative examples 1 to 5)
The cotton fabrics with various proportions are the same as example 1, except for the treatment liquid in the step (I), and are shown in table 2.
TABLE 2
| Example 1 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | |
| Alkaline pectin lyase | 1.0g/L | 1.0g/L | 1.0g/L | 1.0g/L | 1.0g/L | 1.0g/L |
| Neutral cellulase | 0.35g/L | 0.35g/L | 0.35g/L | 0.35g/L | 0.35g/L | 0.35g/L |
| Enriched endonuclease | 0.1g/L | / | 0.1g/L | 0.1g/L | 0.1g/L | / |
| Laccase enzymes | 0.05g/L | 0.05g/L | / | 0.05g/L | 0.05g/L | / |
| Surfactant CLD-H | 0.02g/L | 0.02g/L | 0.02g/L | / | 0.02g/L | / |
| Urethane elastic fiber refining degreaser ACR | 1.0g/L | 1.0g/L | 1.0g/L | 1.0g/L | / | / |
| Penetrating agent JFC | 0.5g/L | 0.5g/L | 0.5g/L | 0.5g/L | 0.5g/L | 0.5g/L |
(comparative example 6 to comparative example 9)
The cotton fabrics with various proportions are the same as example 3, except for the treating fluid in the step (I), and are shown in Table 3.
TABLE 3
| Example 3 | Comparative example 6 | Comparative example 7 | Comparative example 8 | Comparative example 9 | |
| Alkaline pectin lyase | 1.0g/L | 1.0g/L | 1.0g/L | 1.0g/L | 1.0g/L |
| Neutral cellulase | 0.35g/L | 0.35g/L | 0.35g/L | 0.35g/L | 0.35g/L |
| Enriched endonuclease | 0.1g/L | / | 0.1g/L | 0.1g/L | / |
| Laccase enzymes | 0.05g/L | 0.05g/L | / | 0.05g/L | / |
| Surfactant CLD-H | 0.02g/L | 0.02g/L | 0.02g/L | / | / |
| Penetrant JFC | 0.5g/L | 0.5g/L | 0.5g/L | 0.5g/L | 0.5g/L |
(test example)
The examples and the comparative dyed cotton fabrics were tested for their relevant properties and the results are shown in table 4.
TABLE 4
| Whiteness/% | Capillary effect/cm | Burst strength/N | Cloth cover condition | |
| Example 1 | 57.32 | 12.8 | 463 | Good effect |
| Example 2 | 68.13 | 15.3 | 592 | Good effect |
| Example 3 | 61.47 | 13.8 | 431 | Good effect |
| Example 4 | 54.79 | 12.0 | 481 | Good effect |
| Example 5 | 55.52 | 12.2 | 465 | Good effect |
| Comparative example 1 | 54.19 | 11.2 | 420 | A little colored flower |
| Comparative example 2 | 51.66 | 9.6 | 470 | A little colored flower |
| Comparative example 3 | 47.54 | 4.9 | 464 | In general terms |
| Comparative example 4 | 50.05 | 10.0 | 475 | Severe colored flower |
| Comparative example 5 | 40.52 | 3.3 | 415 | Severe colored flower |
| Comparative example 6 | 57.92 | 11.9 | 407 | A little colored flower |
| Comparative example 7 | 55.23 | 10.0 | 429 | A little colored flower |
| Comparative example 8 | 51.11 | 5.7 | 435 | In general |
| Comparative example 9 | 44.86 | 4.3 | 403 | Severe colored flower |
Wherein:
the test standards for whiteness were: AATCC 110-.
The test criteria for capillary effect are: FZ/T01071-2008 'test method for capillary Effect of textiles'.
The test standard of bursting strength is as follows: GB/T19976-2005 Steel ball method for determining burst Strength of textile.
Claims (9)
1. A cotton fabric refining and dyeing one-bath dyeing process is characterized by comprising the following steps:
soaking the cotton fabric into a treatment solution containing composite biological enzyme, heating to 50-58 ℃ at the speed of 1-3 ℃/min, and carrying out biological enzyme pretreatment for 30-60 min; the formula of the treatment fluid containing the compound biological enzyme is as follows: 0.3-4.5 g/L alkaline pectin lyase, 0.1-1 g/L neutral cellulase, 0.05-0.5 g/L enriched endonuclease, 0.01-0.1 g/L laccase, 0.005-0.05 g/L surfactant CLD-H, 0-3 g/L spandex refining degreasing agent ACR, 0.1-1 g/L penetrant JFC and the balance of water;
secondly, adding anhydrous sodium sulphate into the treatment solution directly, heating to 75-85 ℃ at the speed of 1-5 ℃/min, treating for 5-10 min, and inactivating the compound biological enzyme at high temperature;
thirdly, adding the activated dye into the treatment liquid at a constant speed, wherein the adding time is 20-40 min, cooling to 60-70 ℃ at a speed of 1-2 ℃/min after adding, adding sodium carbonate for 2-3 times, wherein the adding time is 15-30 min each time, and keeping the temperature and dyeing for 40-60 min after adding;
discharging liquid after dyeing, washing with water at room temperature, adjusting acid at the temperature of 50-70 ℃ for 10-30 min until the pH value is 6-8, and soaping at the temperature of 50-100 ℃ for 10-30 min after discharging liquid.
2. The cotton fabric dyeing process by means of one-bath refining and dyeing according to claim 1, characterized in that: in the first step, the formula of the treatment solution containing the composite biological enzyme is as follows: 0.5-2.5 g/L alkaline pectin lyase, 0.2-0.5 g/L neutral cellulase, 0.05-0.2 g/L enriched endonuclease, 0.01-0.1 g/L laccase, 0.01-0.03 g/L surfactant CLD-H, 0.5-2 g/L spandex refining degreasing agent ACR, 0.3-0.7 g/L penetrant JFC and the balance of water.
3. The cotton fabric dyeing process by means of one-bath refining and dyeing according to claim 1, characterized in that: in the first step, the concentration of the composite biological enzyme in the treatment solution containing the composite biological enzyme is 0.5-5 g/L.
4. The cotton fabric dyeing process by means of one-bath refining according to claim 2, characterized in that: in the first step, the concentration of the composite biological enzyme in the treatment solution containing the composite biological enzyme is 1-2 g/L.
5. Cotton fabric one-bath process of rendering dye according to one of claims 1 to 4, characterized in that: in the second step, the addition amount of the anhydrous sodium sulphate is 50-100 g per liter of the treatment fluid.
6. The process for one-bath dyeing of cotton fabric according to any one of claims 1 to 4, characterized in that: in the third step, the addition amount of the soda ash is 5-50 g per liter of the treatment fluid.
7. The process for one-bath dyeing of cotton fabric according to any one of claims 1 to 4, characterized in that: in the step III, the total amount of the added reactive dye is 0.01-5.0% of the weight of the cotton fabric.
8. The process for one-bath dyeing of cotton fabric according to any one of claims 1 to 4, characterized in that: in the first step, the cotton fabric is a pure cotton fabric, a cotton-containing blended fabric or a cotton-containing interwoven fabric.
9. The cotton fabric scouring and dyeing one-bath dyeing process according to claim 8, characterized in that: in the first step, the cotton fabric is a cotton-ammonia interwoven fabric.
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| CN117166253A (en) * | 2023-07-24 | 2023-12-05 | 湖南隆森生物科技股份有限公司 | Neutral cellulase compound and preparation method thereof |
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| CN103233351B (en) * | 2013-05-25 | 2015-07-29 | 上海秋橙新材料科技有限公司 | Sodolin Bio-enzyme pretreatment method |
| CN103243539B (en) * | 2013-05-25 | 2015-07-01 | 上海秋橙新材料科技有限公司 | Bio-enzyme pretreatment method of pure cotton fabric |
| CN103643562B (en) * | 2013-12-09 | 2015-12-09 | 上海市纺织科学研究院 | Composite biological enzyme preparation for solvent method bamboo fiber fabric and application thereof |
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| CN103952918B (en) * | 2014-05-13 | 2015-12-02 | 清华大学 | Cotton fabrics biology enzyme cold pad--batch short route open width continual scouring and bleaching dye production technology |
| CN106978727A (en) * | 2017-04-28 | 2017-07-25 | 晋江市南星印染材料有限公司 | A kind of spandex refining degreaser used for textiles containing spandex |
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