CN115522302A - Four-side stretch denim fabric and dyeing method thereof - Google Patents
Four-side stretch denim fabric and dyeing method thereof Download PDFInfo
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- CN115522302A CN115522302A CN202211118378.2A CN202211118378A CN115522302A CN 115522302 A CN115522302 A CN 115522302A CN 202211118378 A CN202211118378 A CN 202211118378A CN 115522302 A CN115522302 A CN 115522302A
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- yarns
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- elastic yarns
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- 239000004744 fabric Substances 0.000 title claims abstract description 58
- 238000004043 dyeing Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000037303 wrinkles Effects 0.000 claims abstract description 4
- 239000010977 jade Substances 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 229920002334 Spandex Polymers 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 12
- 239000004759 spandex Substances 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 10
- 229920003226 polyurethane urea Polymers 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 9
- 238000009987 spinning Methods 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- 239000004970 Chain extender Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000012948 isocyanate Substances 0.000 claims description 6
- 150000002513 isocyanates Chemical class 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 229960000583 acetic acid Drugs 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 238000003490 calendering Methods 0.000 claims description 3
- 239000012459 cleaning agent Substances 0.000 claims description 3
- 239000000986 disperse dye Substances 0.000 claims description 3
- 238000000578 dry spinning Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012362 glacial acetic acid Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000000985 reactive dye Substances 0.000 claims description 3
- 238000009958 sewing Methods 0.000 claims description 3
- 238000009999 singeing Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 235000019832 sodium triphosphate Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
- D03D15/217—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based natural from plants, e.g. cotton
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
-
- 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
- D06P1/16—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 dispersed, e.g. acetate, dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/38—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
- 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
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/10—Bamboo
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Dispersion Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention discloses a four-side stretch denim fabric and a dyeing method thereof, and aims to solve the problem of poor elasticity of the denim fabric. The key points of the technical scheme are as follows: the warp yarn is formed by interweaving warp yarns and weft yarns in a sinking and floating mode, the weft yarns comprise upper layer weft yarns and lower layer weft yarns, the warp yarns comprise first elastic yarns and first non-elastic yarns, the upper layer weft yarns comprise second non-elastic yarns and second elastic yarns, and the lower layer weft yarns comprise third non-elastic yarns and third elastic yarns; the warp yarns, the second non-elastic yarns and the second elastic yarns are interwoven in a sinking and floating mode to form the front face of the fabric, the warp yarns, the third non-elastic yarns and the third elastic yarns are interwoven in a sinking and floating mode to form the back face of the fabric, and the fabric can have wrinkle textures due to the interweaving of the warp yarns and the weft yarns. The jean fabric has good cool feeling and elasticity, and the clothes made of the fabric has good heat dissipation and elasticity, so that people can feel comfortable when wearing the clothes.
Description
Technical Field
The invention relates to the technical field of fabrics, in particular to a four-side stretch denim fabric and a dyeing method thereof.
Background
Although the traditional jean fabric has clear lines and thick and soft cloth body, the traditional jean fabric is mostly used as a tight dress fabric on a fashion dress, so the elasticity is poor, and the existing elastic jean fabric has certain elasticity, but influences the toughness and wear resistance of the jean fabric.
There is therefore a need to propose a solution to this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a four-side stretch jean fabric and a dyeing method thereof.
The technical purpose of the invention is realized by the following technical scheme: the four-side elastic denim fabric is formed by interweaving warp yarns and weft yarns in a sinking and floating mode, the weft yarns comprise upper weft yarns and lower weft yarns, the warp yarns comprise first elastic yarns and first non-elastic yarns, the upper weft yarns comprise second non-elastic yarns and second elastic yarns, and the lower weft yarns comprise third non-elastic yarns and third elastic yarns; the warp yarns, the second non-elastic yarns and the second elastic yarns are interwoven in a sinking and floating mode to form the front face of the fabric, the warp yarns, the third non-elastic yarns and the third elastic yarns are interwoven in a sinking and floating mode to form the back face of the fabric, and the fabric can have wrinkle textures due to the interweaving of the warp yarns and the weft yarns.
The invention is further configured to: the first elastic yarn is a core-spun yarn, and the second elastic yarn is a core-spun yarn or a covering yarn.
The invention is further configured to: the first elastic yarn is a functional spandex core-spun yarn wrapped by blended yarn of cotton fiber and bamboo fiber.
The invention is further configured to: the preparation method of the functional spandex comprises the following steps: weighing raw materials: weighing corresponding parts by weight of functional jade powder, isocyanate, oligomer dihydric alcohol, a chain extender, an auxiliary agent, a solvent and a chain terminator for later use; (2) preparing functional jade powder slurry: circularly grinding the functional jade powder, the auxiliary agent and the solvent in a grinding machine for 30-40h to obtain dispersed functional jade powder slurry; (3) preparation of prepolymer solution: stirring and mixing isocyanate and oligomer dihydric alcohol, and reacting at 70-80 ℃ for 1-2h to prepare a prepolymer; cooling the prepolymer to 40-60 ℃, and adding a solvent to prepare a prepolymer solution with the mass concentration of 36-40%; (4) preparation of polyurethane urea: dissolving a chain extender and a chain terminator into a solvent to form a reaction solution with the mass concentration of 7.2-8%, and adding the reaction solution into a prepolymer solution to carry out a chain extension reaction and a chain termination reaction to form a polyurethane urea solution; (5) preparation of spinning solution: adding the functional jade powder slurry into a polyurethane urea solution, uniformly mixing under the condition of stirring, and then curing, defoaming and filtering to obtain a spinning solution; (6) preparation of functional spandex: and extruding, stretching and drying the spinning solution by adopting a dry spinning method to obtain the functional spandex.
The technical purpose of the invention is also realized by the following technical scheme: a dyeing method of a four-side stretch jean fabric comprises the following steps: (1) dyeing pretreatment; selecting white gray fabric, and sequentially carrying out the following treatment on the white gray fabric: turning cloth, sewing head, open width preshrinking treatment, machine cylinder pretreatment, dewatering and drying, white blank preshaping and white blank singeing; (2) dyeing: a) Dyeing in a J-shaped cylinder, controlling the temperature to be 150-160 ℃, controlling the glacial acetic acid to be 0.5g/L, controlling the leveling agent to be 2.1g/L, the disperse dye to be 5-10 g/Kg, and the balance to be water, controlling the bath ratio to be 1:5, keeping the temperature for 10 minutes, then cooling to be 50-55 ℃, and then keeping the temperature for 5 minutes; b) Adding 2.5g/L of reducing cleaning agent after the step a), controlling the temperature to be 80 ℃, adding 1g/L of acidic soaping agent after the heat preservation time is 10 minutes, controlling the temperature to be 100 ℃, and preserving the heat for 2 minutes; c) Controlling the temperature at 50 ℃ after the step b), adding 50g/L of anhydrous sodium sulphate, 4g/L of sodium carbonate, 30g/L of sodium chloride and 15-20 g/Kg of reactive dye, adding water to control the bath ratio to be 1:6, and keeping the temperature for 60 minutes; (3) And (4) dyeing post-treatment, namely sequentially carrying out acid washing, soaping, water washing, dehydration, sizing, calendaring and pot steaming on the dyed cloth.
In conclusion, the invention has the following beneficial effects:
1. the warp yarns, the upper layer weft yarns and the lower layer weft yarns are provided with the elastic yarns and the non-elastic yarns, so that the overall elasticity of the fabric is improved, and the fabric has greater movement ductility and free comfort;
2. the jean fabric has good cool feeling and elasticity, the clothes prepared by the jean fabric has good heat dissipation and elasticity, and people wear the clothes with good comfort; in the pretreatment process of the cylinder, cationic polyacrylamide and sodium tripolyphosphate are added, so that the absorption rate of the cloth to dye is improved, and the consumption of water in later-stage acid washing, soaping and water washing is reduced.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention is further described in detail with reference to specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present application can be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like, indicate orientations or positional relationships only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention is described in detail below.
A four-side elastic jean fabric is formed by interweaving warp yarns and weft yarns in a sinking and floating mode, wherein the weft yarns comprise upper weft yarns and lower weft yarns, the warp yarns comprise first elastic yarns and first non-elastic yarns, the upper weft yarns comprise second non-elastic yarns and second elastic yarns, and the lower weft yarns comprise third non-elastic yarns and third elastic yarns; the warp yarns, the second non-elastic yarns and the second elastic yarns are interwoven in a sinking and floating mode to form the front face of the fabric, the warp yarns, the third non-elastic yarns and the third elastic yarns are interwoven in a sinking and floating mode to form the back face of the fabric, and the fabric can have wrinkle textures due to the interweaving of the warp yarns and the weft yarns.
The first elastic yarn is covering yarn, the second elastic yarn is covering yarn or cladding yarn, and the first elastic yarn is functional spandex covering yarn wrapped by blended yarn of cotton fiber and bamboo fiber.
The preparation method of the functional spandex comprises the following steps: weighing raw materials: weighing corresponding parts by weight of functional jade powder, isocyanate, oligomer dihydric alcohol, a chain extender, an auxiliary agent, a solvent and a chain terminator for later use;
(2) Preparing functional jade powder slurry: circularly grinding the functional jade powder, the auxiliary agent and the solvent in a grinder for 30-40h to obtain dispersed functional jade powder slurry;
(3) Preparation of prepolymer solution: stirring and mixing isocyanate and oligomer dihydric alcohol, and reacting at 70-80 ℃ for 1-2h to prepare a prepolymer; cooling the prepolymer to 40-60 ℃, and adding a solvent to prepare a prepolymer solution with the mass concentration of 36-40%;
(4) Preparation of polyurethane urea: dissolving a chain extender and a chain terminator into a solvent to form a reaction solution with the mass concentration of 7.2-8%, and adding the reaction solution into a prepolymer solution to carry out a chain extension reaction and a chain termination reaction to form a polyurethane urea solution;
(5) Preparing a spinning solution: adding the functional jade powder slurry into a polyurethane urea solution, uniformly mixing under the condition of stirring, and then curing, defoaming and filtering to obtain a spinning solution; (6) preparation of functional spandex: and extruding, stretching and drying the spinning solution by adopting a dry spinning method to obtain the functional spandex.
A dyeing method of a four-side stretch jean fabric comprises the following steps: (1) dyeing pretreatment; selecting white gray fabric, and sequentially carrying out the following treatment on the white gray fabric: cloth turning, end sewing, open width preshrinking treatment, machine cylinder pretreatment, dehydration and drying, white blank preshaping and white blank singeing;
(2) Dyeing: a) Dyeing in a J-shaped cylinder, controlling the temperature to be 150-160 ℃, 0.5g/L glacial acetic acid, 2.1g/L leveling agent, 5-10 g/Kg disperse dye and the balance of water, controlling the bath ratio to be 1:5, keeping the temperature for 10 minutes, then cooling to 50-55 ℃, and then keeping the temperature for 5 minutes;
b) Adding 2.5g/L of reducing cleaning agent after the step a), controlling the temperature to be 80 ℃, after the heat preservation time is 10 minutes, adding 1g/L of acid soaping agent, controlling the temperature to be 100 ℃, and preserving the heat for 2 minutes;
c) Controlling the temperature at 50 ℃ after the step b), adding 50g/L of anhydrous sodium sulphate, 4g/L of sodium carbonate, 30g/L of sodium chloride and 15-20 g/Kg of reactive dye, adding water to control the bath ratio to be 1:6, and keeping the temperature for 60 minutes;
(3) And (4) dyeing post-treatment, namely sequentially carrying out acid washing, soaping, water washing, dehydration, sizing, calendaring and pot steaming on the dyed cloth.
The warp yarns, the upper weft yarns and the lower weft yarns are provided with the elastic yarns and the non-elastic yarns, so that the integral elasticity of the fabric is improved, and meanwhile, the fabric has higher movement ductility and free comfort, the jean fabric has good cool feeling and elasticity, and the clothes prepared by the fabric has good heat dissipation and elasticity, and has good comfort when people wear the clothes; in the pretreatment process of the cylinder, cationic polyacrylamide and sodium tripolyphosphate are added, so that the absorption rate of the cloth to dye is improved, and the consumption of water in later-stage acid washing, soaping and water washing is reduced.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (5)
1. A four-side stretch denim fabric is characterized in that: the warp yarn is formed by interweaving warp yarns and weft yarns in a sinking and floating mode, the weft yarns comprise upper layer weft yarns and lower layer weft yarns, the warp yarns comprise first elastic yarns and first non-elastic yarns, the upper layer weft yarns comprise second non-elastic yarns and second elastic yarns, and the lower layer weft yarns comprise third non-elastic yarns and third elastic yarns; the warp yarns, the second non-elastic yarns and the second elastic yarns are interwoven in a sinking and floating mode to form the front face of the fabric, the warp yarns, the third non-elastic yarns and the third elastic yarns are interwoven in a sinking and floating mode to form the back face of the fabric, and the fabric can have wrinkle textures due to the interweaving of the warp yarns and the weft yarns.
2. The four-side stretch denim fabric and the dyeing method thereof according to claim 1, characterized in that: the first elastic yarn is a core-spun yarn, and the second elastic yarn is a core-spun yarn or a covering yarn.
3. The tetrahedral elastic denim fabric according to claim 2, characterized in that: the first elastic yarn is a functional spandex core-spun yarn wrapped by a blended yarn of cotton fibers and bamboo fibers.
4. The tetrahedral elastic denim fabric according to claim 3, characterized in that: the preparation method of the functional spandex comprises the following steps: weighing raw materials: weighing corresponding parts by weight of functional jade powder, isocyanate, oligomer dihydric alcohol, a chain extender, an auxiliary agent, a solvent and a chain terminator for later use; (2) preparing functional jade powder slurry: circularly grinding the functional jade powder, the auxiliary agent and the solvent in a grinding machine for 30-40h to obtain dispersed functional jade powder slurry; (3) preparation of prepolymer solution: stirring and mixing isocyanate and oligomer dihydric alcohol, and reacting at 70-80 ℃ for 1-2h to prepare a prepolymer; cooling the prepolymer to 40-60 ℃, and adding a solvent to prepare a prepolymer solution with the mass concentration of 36-40%; (4) preparation of polyurethane urea: dissolving a chain extender and a chain terminator into a solvent to form a reaction solution with the mass concentration of 7.2-8%, and adding the reaction solution into a prepolymer solution to carry out a chain extension reaction and a chain termination reaction to form a polyurethane urea solution; (5) preparing a spinning solution: adding the functional jade powder slurry into a polyurethane urea solution, uniformly mixing under the condition of stirring, and then curing, defoaming and filtering to obtain a spinning solution; (6) preparation of functional spandex: and extruding, stretching and drying the spinning solution by adopting a dry spinning method to obtain the functional spandex.
5. The method for dyeing the tetrahedral elastic denim fabric according to any one of claims 1 to 4, characterized in that: the method comprises the following steps: (1) dyeing pretreatment; selecting white gray fabric, and sequentially carrying out the following treatment on the white gray fabric: cloth turning, end sewing, open width preshrinking treatment, machine cylinder pretreatment, dehydration and drying, white blank preshaping and white blank singeing; (2) dyeing: a) Dyeing in a J-shaped cylinder, controlling the temperature to be 150-160 ℃, 0.5g/L glacial acetic acid, 2.1g/L leveling agent, 5-10 g/Kg disperse dye and the balance of water, controlling the bath ratio to be 1:5, keeping the temperature for 10 minutes, then cooling to 50-55 ℃, and then keeping the temperature for 5 minutes; b) Adding 2.5g/L of reducing cleaning agent after the step a), controlling the temperature to be 80 ℃, adding 1g/L of acidic soaping agent after the heat preservation time is 10 minutes, controlling the temperature to be 100 ℃, and preserving the heat for 2 minutes; c) Controlling the temperature at 50 ℃ after the step b), adding 50g/L of anhydrous sodium sulphate, 4g/L of sodium carbonate, 30g/L of sodium chloride and 15-20 g/Kg of reactive dye, adding water to control the bath ratio to be 1:6, and keeping the temperature for 60 minutes; (3) And (4) dyeing post-treatment, namely sequentially carrying out acid washing, soaping, water washing, dehydration, sizing, calendaring and pot steaming on the dyed cloth.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367995A (en) * | 2016-08-27 | 2017-02-01 | 杭州大地印染有限公司 | Denim dyeing process |
| CN208087843U (en) * | 2018-04-19 | 2018-11-13 | 河北新大东纺织有限公司 | The imitative knitting jeans fabric of high resilience |
| CN110184711A (en) * | 2019-05-14 | 2019-08-30 | 河北新大东纺织有限公司 | Spandex fabric imitates knitting jeans fabric |
| CN112962192A (en) * | 2021-03-03 | 2021-06-15 | 广东明丰纺织品有限公司 | Cool elastic jean fabric and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367995A (en) * | 2016-08-27 | 2017-02-01 | 杭州大地印染有限公司 | Denim dyeing process |
| CN208087843U (en) * | 2018-04-19 | 2018-11-13 | 河北新大东纺织有限公司 | The imitative knitting jeans fabric of high resilience |
| CN110184711A (en) * | 2019-05-14 | 2019-08-30 | 河北新大东纺织有限公司 | Spandex fabric imitates knitting jeans fabric |
| CN112962192A (en) * | 2021-03-03 | 2021-06-15 | 广东明丰纺织品有限公司 | Cool elastic jean fabric and preparation method thereof |
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