CN110924191A - Cotton fabric dyeing process - Google Patents
Cotton fabric dyeing process Download PDFInfo
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- CN110924191A CN110924191A CN201911082750.7A CN201911082750A CN110924191A CN 110924191 A CN110924191 A CN 110924191A CN 201911082750 A CN201911082750 A CN 201911082750A CN 110924191 A CN110924191 A CN 110924191A
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- dyeing
- cotton fabric
- dyeing process
- bleaching
- reactive
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- 238000000034 method Methods 0.000 title claims abstract description 61
- 239000004744 fabric Substances 0.000 title claims abstract description 60
- 238000004043 dyeing Methods 0.000 title claims abstract description 59
- 230000008569 process Effects 0.000 title claims abstract description 50
- 229920000742 Cotton Polymers 0.000 title claims abstract description 30
- 238000004061 bleaching Methods 0.000 claims abstract description 25
- 239000002253 acid Substances 0.000 claims abstract description 17
- 239000000975 dye Substances 0.000 claims abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 12
- 238000007654 immersion Methods 0.000 claims abstract description 8
- 239000000985 reactive dye Substances 0.000 claims abstract description 8
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 23
- 238000007670 refining Methods 0.000 claims description 12
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- 238000004045 reactive dyeing Methods 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 6
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 claims description 5
- 230000003472 neutralizing effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 4
- 102000016938 Catalase Human genes 0.000 claims description 3
- 108010053835 Catalase Proteins 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 3
- NKLPQNGYXWVELD-UHFFFAOYSA-M coomassie brilliant blue Chemical compound [Na+].C1=CC(OCC)=CC=C1NC1=CC=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C=CC(=CC=2)N(CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=C1 NKLPQNGYXWVELD-UHFFFAOYSA-M 0.000 claims description 3
- 239000004661 hydrophilic softener Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 239000004480 active ingredient Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 239000003086 colorant Substances 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- 238000004040 coloring Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000005078 Chaenomeles speciosa Nutrition 0.000 description 1
- 240000000425 Chaenomeles speciosa Species 0.000 description 1
- 206010020112 Hirsutism Diseases 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 108010009736 Protein Hydrolysates Proteins 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009990 desizing Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000000984 vat dye Substances 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/38—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
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
-
- 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
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
-
- 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
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/30—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using reducing agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/165—Ethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
- D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
-
- 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
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
Abstract
The application relates to a cotton fabric dyeing process, which comprises the steps of immersion liquid padding, cold-stacking, stripping and bleaching, oxygen bleaching, deoxidizing dyeing, soaping, hot washing, fixation softening, acid neutralization and the like, wherein reactive dyes are adopted for dyeing in the dyeing step. The cotton fabric dyeing process can solve the problems that the conventional reduction dyeing is difficult to match colors and cylinder difference and dyeing easily occur in the dip dyeing process, can realize timely treatment in the process of finding problems in the dyeing process, and avoids dye and energy consumption waste. In addition, the cotton fabric dyeing process provided by the invention is directly fed into a pot for stripping, bleaching and bleaching after cold-batch stacking is finished, the fabric rolls do not need to be dried after stripping, bleaching and then rolled and dyed, and the continuous production of deoxidizing and dyeing is directly carried out, so that the problems of high energy consumption, high cost and low yield of the same-machine bath-separated intermittent processing in the existing dyeing process can be solved.
Description
Technical Field
The application relates to the technical field of fabric dyeing, in particular to a novel cotton fabric dyeing process.
Background
The existing cotton fabric dyeing process generally adopts vat dyes, and sequentially carries out the working procedures of reduction, oxidation, washing, soaping, hot washing, acid washing and the like, and has the problem that the reduction dyeing is difficult to match colors in the dip dyeing process. The color matching refers to comparing the color of the dyed cloth roll with the color of the template and judging whether the production color meets the requirement of the required color. Since it is difficult to match colors, the problems of cylinder difference and color shift are liable to occur. In addition, the existing cotton fabric dyeing process adopts the same machine and bath separation type intermittent processing, and has the problems of high energy consumption, high cost and low yield. Therefore, there is a need for improvements to existing cotton fabric dyeing processes.
Disclosure of Invention
Aiming at the problems of the existing cotton fabric dyeing process, the invention aims to provide a novel cotton fabric dyeing process adopting reactive dyes.
The purpose of the invention is realized by the following technical scheme:
a cotton fabric dyeing process comprises the following steps:
and step S1: liquid immersion and liquid rolling;
and step S2: cold stacking;
and step S3: stripping and bleaching;
and step S4: oxygen bleaching;
and step S5: deoxidizing and dyeing;
and step S6: soaping;
and step S7: hot washing;
and step S8: color fixation and softness;
and step S9: the acid is used for neutralizing the acid, and the acid is used for neutralizing,
wherein dyeing with a reactive dye is performed in step S5.
In the specific embodiment of the present invention, in step S2, the dip-padded gray fabric is rolled and stacked at room temperature for 16 to 24 hours, and the formulation of the auxiliary agent for cold pilgering used is as follows:
the special agent for the low-temperature cold reactor comprises alkyl sulfonate, C12-14 alcohol ether and EO-PO polyether.
In a specific embodiment of the present invention, in step S3, the formula of the stripping and bleaching process is as follows:
low temperature refining agent 1-3g/l
Sodium hydrosulfite: 3-5g/l of the total amount of the active ingredients,
wherein the low-temperature refining agent comprises fatty alcohol-polyoxyethylene ether.
In a specific embodiment of the present invention, in step S4, the oxygen bleaching process recipe is as follows:
low temperature refining agent 1-3g/l
3-5g/l of hydrogen peroxide (50 percent)
3-5g/l of sodium hydroxide,
wherein the low-temperature refining agent comprises fatty alcohol-polyoxyethylene ether.
In a specific embodiment of the present invention, in the step S5, the oxygen removal is performed by catalase at a pH of 4-9 and a temperature of 35-45 ℃, and then the reactive dyeing is performed by reactive dyeing with a reactive dyeing dye at 60 ± 5 ℃ for 45 ± 5min, wherein the formula of the reactive dyeing dye is as follows:
in a specific embodiment of the present invention, in step S6, soaping is performed for 20 + -5 min at 95 + -5 deg.C using high efficiency soaping agent ST.
In a specific embodiment of the present invention, the soap-washed gray fabric is hot-washed with clean water at 80 to 90 ℃ for 10 to 15min at step S7.
In a specific embodiment of the present invention, in step S8, the gray fabric after the hot washing is fixed and softened by a fixation softening formula in a one-bath method, where the fixation softening formula is as follows:
dye fixing agent JS-06A: 1.5-1.8g/l
Silicon-free and bubble-free hydrophilic softener SPS: 1.0-1.4%.
The color fixing and softening process comprises the following steps: fixing color at 50 + -5 deg.C for 15 + -2 min, and softening at 50 + -5 deg.C for 15 + -2 min.
In a specific embodiment of the present invention, in the step S9, acid neutralization is performed with dilute acid at normal temperature until the cloth surface is neutral. The dilute acid used is, for example, dilute sulfuric acid, dilute hydrochloric acid, etc.
In some preferred embodiments of the present invention, the method further comprises the following steps before the step of S1:
and step S01: unwinding;
and step S02: and (3) brush hairs.
In other preferred embodiments of the present invention, the method further comprises the following step after step S9:
and step S10: drying;
and step S11: and (6) online slitting.
The invention has the beneficial effects that:
the cotton fabric dyeing process adopts reactive dye for dyeing, and can solve the problems that the conventional reduction dyeing is difficult to match colors in the dip dyeing process, and the vat error and the dyeing defect are easy to occur. The process directly samples, washes and color-matches after the reactive dye is used for dip dyeing, and can realize timely treatment in the process of finding problems in the dyeing process. Namely, the problem of light color is found in the dyeing process, the coloring treatment can be directly carried out, and the waste of dye and energy consumption caused by coloring after the operation is finished is avoided; the dyeing problem is found in the dyeing process, dyeing or color changing treatment can be directly carried out after stripping, and dye and energy consumption waste caused by repair after operation is finished is avoided.
In addition, the process of the invention directly enters the pot for stripping, bleaching and decolouring after the cold stack stacking is finished, the cloth rolls do not need to be dried and then rolled for dyeing after stripping, and the continuous production of deoxygenization dyeing is directly carried out, thus solving the problems of high energy consumption, high cost and low yield of the same-machine bath type intermittent processing in the existing dyeing process.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments. It should be noted that the present application may be embodied in many different forms and is not limited to the specific embodiments described. The following detailed description is provided to facilitate a more thorough understanding of the present disclosure. Those skilled in the art will recognize that the order of steps or operations in the methods of the present invention is not constant, but may be varied where appropriate. Any order described herein is for illustrative purposes only and does not imply a requirement in a certain order unless explicitly stated to require a certain order. One skilled in the relevant art will also recognize that one or more of the specific details of the methods of the invention may be omitted, or other steps or materials may be used.
In this embodiment, a recycled cotton woven cloth gray fabric with a cylinder length of 9000m and a width of 145cm is selected, and a reactive brilliant blue dyeing process is performed on the recycled cotton woven cloth by using a reactive brilliant blue R as a dyeing agent. It should be noted that the present invention is not limited to reactive brilliant blue R as the coloring agent, and other reactive dyes such as reactive brilliant blue RSP, reactive brilliant blue B-RV, reactive navy blue B-2GLN may be used. Furthermore, the present invention is not limited to recycled cotton for making cloth, but can be applied to various cotton fabrics. The present examples are illustrative only and are not intended to limit the present invention in any way.
The specific process flow steps of the embodiment are as follows:
and step S1: liquid immersion and liquid rolling;
and step S2: cold stacking;
and step S3: stripping and bleaching;
and step S4: oxygen bleaching;
and step S5: deoxidizing and dyeing;
and step S6: soaping;
and step S7: hot washing;
and step S8: color fixation and softness;
and step S9: and (4) neutralizing with acid.
Preferably, before the step of S1, the method further comprises the following steps:
and step S01: unwinding;
and step S02: and (3) brush hairs.
Preferably, after the step of S9, the method further comprises the following steps:
and step S10: drying;
and step S11: and (6) online slitting.
The respective steps are further described in detail in the following order of operations.
Step S01: unwinding
The recovered cotton woven fabric grey cloth is placed on an uncoiling machine for uncoiling, and the uncoiling speed is 80-100m/min.
Step S02: brush hair
And removing the cotton velvet and part of hairiness on the surface of the fabric by using a brushing machine.
Step S1: immersion fluid mangle
The grey cloth after the uncoiled bristles is subjected to liquid immersion and liquid rolling, the formula working solution adopts the cold batch auxiliary agent formula of the next step, the padder pressure value is 0.3-0.45MPa, and the liquid carrying rate is 95% -115% by adopting a one-immersion one-rolling mode.
Step S2: cold pile stacking
The grey cloth after the immersion and the padding is rolled up and piled for 16 to 24 hours at room temperature to achieve the purposes of desizing and scouring, wherein the formula of the cold batch auxiliary agent used is as follows:
the special agent for the low-temperature cold reactor comprises alkyl sulfonate, C12-14 alcohol ether and EO-PO polyether.
Step S3: stripping and bleaching
After the cold stack is finished, the grey cloth is directly hung into a high-temperature high-pressure dyeing machine (a radial shaft dyeing overflow cylinder), and sodium hydrosulfite is directly added for stripping and bleaching without discharging liquid after water is added.
The stripping and bleaching process formula comprises the following steps:
low temperature refining agent 1g/l
Sodium hydrosulfite: the concentration of the active carbon is 5g/l,
wherein the low-temperature refining agent comprises fatty alcohol-polyoxyethylene ether.
Step S4: oxygen bleaching
Washing the grey cloth after stripping and bleaching with water until the colored aqueous solution is basically cleaned, and then carrying out oxygen bleaching to remove pigments contained in the fabric and endow the fabric with necessary and stable whiteness. The oxygen bleaching process formula is as follows:
low temperature refining agent 1g/l
5g/l of hydrogen peroxide (50 percent)
Sodium hydroxide 5g/l
Wherein the low-temperature refining agent comprises fatty alcohol-polyoxyethylene ether.
Step S5: oxygen scavenging dyeings
Deoxidizing the blank cloth after oxygen bleaching, wherein the medicament for deoxidizing is catalase, the pH value is controlled to be 4-9, and the temperature is about 40 ℃. The deoxidizing function is to remove residual hydrogen peroxide during the bleaching of the cloth surface, and prevent the dyeing color from being lighter due to the residual hydrogen peroxide. Then carrying out reactive dyeing, wherein the formula of the reactive dyeing dye is as follows:
the reactive dyeing process comprises the following steps: staining is carried out for 45 +/-5 min at 60 +/-5 ℃.
Step S6: soaping
And soaping the gray fabric after deoxidizing and dyeing. The soaping can wash the hydrolytic dye, the dye which is not combined with the fiber and other impurities which are stuck on the fiber, the washed loose color is combined with the soaping agent, and the loose color is not stuck on the fabric again by utilizing the dispersion, suspension and complexation of the soaping agent. As the medical supplies have requirements on surface active substances, a low-foaming high-efficiency soaping agent ST (mainly comprising sodium polyacrylate hydrolysate, 0.9g/l) is selected for soaping. The soaping process is carried out at 95 +/-5 ℃ for 20 +/-5 min.
Step S7: hot washing
The soap-washed gray fabric was hot-washed with clean water at 80 ℃ for 10min to remove the washed uncolored dye.
Step S8: soft fixation
The grey cloth after hot washing is subjected to color fixing and softening by a color fixing and softening formula through a one-bath method. The one-bath method can save the process time and reduce the energy consumption. The color fixing softening formula comprises the following components:
the color fixing agent JS-06A (produced by Dongguan Jiyue): 1.8g/l
Silicon-free and bubble-free hydrophilic softener SPS (produced by Dongguan Boke): 1.4 percent.
The color fixing and softening process comprises the following steps: fixing color at 50 + -5 deg.C for 15 + -2 min, and softening at 50 + -5 deg.C for 15 + -2 min.
Step S9: acid neutralization
After the grey cloth is fixed and soft, dilute sulfuric acid is used for acid neutralization at normal temperature to neutralize alkaline substances until the cloth surface is neutral.
Step S10: drying by baking
And (3) drying the grey cloth after acid neutralization subsequently by adopting a steam drying cylinder, wherein the surface temperature of the drying cylinder is 120-160 ℃, and the drying degree is that the moisture content is less than 8%.
Step S11: on-line slitting
And (3) cutting the dried cloth on line by using a conventional central shaft coiling and cutting machine, wherein the cutting size is 43.5cm, and obtaining the recycled cotton woven cloth dyed cloth which has bright and beautiful blue.
The present invention has been described above using specific examples, which are only for the purpose of facilitating understanding of the present invention, and are not intended to limit the present invention. Numerous simple deductions, modifications or substitutions may be made by those skilled in the art in light of the teachings of the present invention. Such deductions, modifications or alternatives also fall within the scope of the claims of the present invention.
Claims (10)
1. A cotton fabric dyeing process is characterized by comprising the following steps:
and step S1: liquid immersion and liquid rolling;
and step S2: cold stacking;
and step S3: stripping and bleaching;
and step S4: oxygen bleaching;
and step S5: deoxidizing and dyeing;
and step S6: soaping;
and step S7: hot washing;
and step S8: color fixation and softness;
and step S9: the acid is used for neutralizing the acid, and the acid is used for neutralizing,
wherein dyeing with a reactive dye is performed in step S5.
2. The dyeing process of cotton fabric according to claim 1, wherein in the step S2, the greige cloth subjected to the padding liquid is rolled up and piled at room temperature for 16-24 hours, and the cold batch auxiliary formula used is as follows:
the special agent for the low-temperature cold reactor comprises alkyl sulfonate, C12-14 alcohol ether and EO-PO polyether.
3. The dyeing process for cotton fabric according to claim 1, characterized in that in the step S3, the formula of the stripping and bleaching process is as follows:
low temperature refining agent 1-3g/l
Sodium hydrosulfite: 3-5g/l of the total amount of the active ingredients,
wherein the low-temperature refining agent comprises fatty alcohol-polyoxyethylene ether.
4. The dyeing process of cotton fabric according to claim 1, characterized in that in the step S4, the oxygen bleaching process formula is as follows:
low temperature refining agent 1-3g/l
3-5g/l of hydrogen peroxide (50 percent)
3-5g/l of sodium hydroxide,
wherein the low-temperature refining agent comprises fatty alcohol-polyoxyethylene ether.
5. The cotton fabric dyeing process according to claim 1, characterized in that in the step S5, oxygen removal is performed with catalase at pH 4-9 and temperature 35-45 ℃ and then reactive dyeing is performed with reactive dyeing dye at 60 ± 5 ℃ for 45 ± 5min, the formula of the reactive dyeing dye is as follows:
6. the dyeing process of cotton fabric according to claim 1, characterized in that in the step S6, soaping is carried out with a high-efficiency soaping agent ST at 95 ± 5 ℃ for 20 ± 5 min.
7. The dyeing process of cotton fabric according to claim 1, wherein in the step S7, the soap-washed gray fabric is hot-washed with clear water at 80-90 ℃ for 10-15 min.
8. The cotton fabric dyeing process according to claim 1, wherein in the step S8, the gray fabric after hot washing is subjected to fixation softening by a fixation softening formula by a one-bath method, wherein the fixation softening formula is as follows:
dye fixing agent JS-06A: 1.5-1.8g/l
Silicon-free and bubble-free hydrophilic softener SPS: 1.0-1.4%.
The color fixing and softening process comprises the following steps: fixing color at 50 + -5 deg.C for 15 + -2 min, and softening at 50 + -5 deg.C for 15 + -2 min.
9. The dyeing process of the cotton fabric according to claim 1, characterized in that in the step S9, acid neutralization is carried out with dilute acid at normal temperature until the cloth surface is neutral.
10. A dyeing process for cotton fabric according to any of claims 1 to 9, characterized in that the reactive dyes are reactive brilliant blue R, reactive brilliant blue RSP, reactive brilliant blue B-RV, reactive navy blue B-2 GLN.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111286895A (en) * | 2020-03-30 | 2020-06-16 | 曹麦林 | Energy-saving dyeing method for replacing steam with hot water in printing and dyeing plant |
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