CN116377651B - Processing method of yarn-dyed all-cotton warp knitted fabric - Google Patents
Processing method of yarn-dyed all-cotton warp knitted fabric Download PDFInfo
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- CN116377651B CN116377651B CN202310351547.5A CN202310351547A CN116377651B CN 116377651 B CN116377651 B CN 116377651B CN 202310351547 A CN202310351547 A CN 202310351547A CN 116377651 B CN116377651 B CN 116377651B
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- fabric
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- 239000004744 fabric Substances 0.000 title claims abstract description 93
- 229920000742 Cotton Polymers 0.000 title claims abstract description 57
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- 238000009941 weaving Methods 0.000 claims abstract description 16
- 238000004043 dyeing Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 28
- 238000004804 winding Methods 0.000 claims description 24
- 102000004190 Enzymes Human genes 0.000 claims description 18
- 108090000790 Enzymes Proteins 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 18
- 206010020112 Hirsutism Diseases 0.000 claims description 16
- 238000007493 shaping process Methods 0.000 claims description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 10
- 230000007547 defect Effects 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 239000000975 dye Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 238000009987 spinning Methods 0.000 claims description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- 229920002545 silicone oil Polymers 0.000 claims description 8
- 238000004513 sizing Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-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
- 239000004902 Softening Agent Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000002759 woven fabric Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000985 reactive dye Substances 0.000 claims description 5
- 241000168254 Siro Species 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000007781 pre-processing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229960000583 acetic acid Drugs 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000012362 glacial acetic acid Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 238000009970 yarn dyeing Methods 0.000 claims description 3
- 230000010511 looping mechanism Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 11
- 238000009940 knitting Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229920013822 aminosilicone Polymers 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000005517 mercerization Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000009971 piece dyeing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
-
- 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
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
- D06B3/09—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments as packages, e.g. cheeses
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- 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
- D06M11/58—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 nitrogen or compounds thereof, e.g. with nitrides
- D06M11/59—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 nitrogen or compounds thereof, e.g. with nitrides with ammonia; with complexes of organic amines with inorganic substances
- D06M11/61—Liquid ammonia
-
- 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
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
-
- 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
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- 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
- D06P3/58—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
- 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
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Coloring (AREA)
Abstract
The invention discloses a processing method of a yarn-dyed all-cotton warp knitted fabric, which comprises the following steps: preparing yarn, loosening yarn, dyeing yarn, spooling, separating, weaving, preparing cloth and finishing. The processed fabric has soft hand feeling, good elasticity, good dimensional stability, comfortable wearing, light and thin ventilation and easy management, and can be used for various fashionable dress such as casual shirts, children's dresses, women's dresses and the like.
Description
Technical Field
The invention relates to a processing method of a yarn-dyed all-cotton warp knitting fabric.
Background
The warp knitting fabric has the advantages of good extensibility, soft hand feeling, good wrinkle resistance, difficult detachment, excellent air permeability and the like, and is mainly used for swimwear, underwear and sportswear. However, at the same time, warp knitted fabrics have a number of problems: the warp knitted fabric is easy to turn up in the production process, and the width and shrinkage are unstable; most of warp knitted fabrics are made of chemical fibers, so that static electricity is easy to occur, and in addition, some warp knitted fabrics are loose in tissue structure, so that the fabrics are often perceived as not being high-grade, and the warp knitted fabrics are relatively less in fashion. Meanwhile, the warp knitted fabric in the industry is mainly subjected to piece dyeing, and has single color.
Disclosure of Invention
The invention aims to provide a technical scheme of a processing method of a yarn-dyed all-cotton warp knitted fabric, aiming at the defects of the prior art, so that the processed fabric has soft hand feeling, good elasticity, good dimensional stability, comfortable wearing, ventilation, thinness and easy management, and can be used for various fashionable dress such as casual shirts, children's wear, lady skirts and the like.
In order to solve the technical problems, the invention adopts the following technical scheme:
the processing method of the yarn-dyed all-cotton warp knitted fabric is characterized by comprising the following steps of:
S1, preparing yarn: selecting siro compact spinning cotton yarn, and selecting the twist, twisting direction and hairiness spinning technological parameters of the cotton yarn;
S2, loose yarn: the cotton yarn is turned over to form a dyeing bobbin, the yarn loosening speed is controlled to be 600-850 r/min, and the broken yarn is spliced;
S3, yarn dyeing:
1) Firstly, preprocessing cotton yarn;
2) Then adding anhydrous sodium sulphate and reactive dye into a dye vat in sequence, heating the dye vat to 60 ℃ at a speed of 1-2 ℃/min, operating for 5-10 min, then adding sodium carbonate, preserving heat for 20-30 min, controlling the dyeing pressure difference to be 1.0-1.5 bar, controlling the pump speed to be 80-85%, and circulating unidirectionally for 3-5 min;
3) Adding the screened water bath PVA sizing agent and the silicone oil softening agent after dyeing, reducing hairiness on the surface of the yarn through yarn sizing, and softening the yarn through the silicone oil softening agent;
S4, spooling: winding cotton yarn by using a Polar LR automatic winder at a winding speed of 650-800 r/min and a winding density of 0.37-0.39, keeping a winding channel clean and always on, winding warp yarn and weft yarn into a twisting bobbin, and removing defects on the yarn;
S5, barrel separation: calculating the number of the sub-cylinders and the required length of each cylinder according to the process, and setting parameters of a cylinder separating machine according to the process requirements;
S6, weaving: according to the quantity of the tension compensation springs for cotton yarn blending after the bobbin separation, the excessive tension of the springs is easy to cause the increase of broken cotton yarn, the excessive tension of the springs is easy to cause poor loop release to generate broken yarn, a blowing device is arranged on a machine table, the tension of cotton yarn monofilaments is controlled to be less than 100N, and a compressed air gun is used for cleaning flying on a loop forming mechanism at regular time;
s7, preparing cloth: carrying out full-width inspection on the woven fabric, leading the front side of the cloth to face upwards, controlling the advancing speed of the woven fabric to be less than 30m/min, grading by adopting defect button grading, and storing qualified grey cloth in a cloth preparation area;
S8, after-treatment:
1) Presetting: shaping by a shaping machine, controlling the temperature of an oven to be 160-190 ℃ and the speed of the oven to be 20-30 m/min, and simultaneously controlling the width and gram weight of cloth to meet the requirements;
2) And (3) enzyme washing: performing enzyme washing treatment on the pre-shaped fabric, and performing enzyme washing at 50-60 ℃ for 30-40 min by adopting neutral enzyme to remove hairiness on the fabric;
3) Liquid ammonia treatment: washing and drying the fabric subjected to enzyme washing, and then treating the fabric by a loose type liquid ammonia machine to increase the compactness and glossiness of the fabric;
4) Shaping: and (3) carrying out shaping treatment on the fabric subjected to the liquid ammonia treatment, wherein the speed of the shaping treatment is 20-30 m/min, and the drying temperature is 160-190 ℃.
The process has simple steps, the processed fabric has soft hand feeling, good elasticity and good dimensional stability, and the product is comfortable to wear, breathable, light and thin, easy to manage and can be used for various fashionable dress such as casual shirts, children's dresses, lady's dresses and the like.
Further, the twist of the cotton yarn in step S1 is 106±5% tpm, and the twist direction is Z twist direction Mao Yu 2.7.7.
In the process of loosening yarn in the step S2, when the yarn breaks, the yarn guiding magnetic tooth position is led from the yarn to be rewound, the yarn bobbin yarn guides two yarn joints, the hooked knife is adopted for knotting, and the length of the yarn tail of the joint is 1-3 mm.
Further, the preprocessing in step S3 includes: removing impurities and cotton seed hulls, heating to 60 ℃ at a speed of 3 ℃/min in a dye vat, adding pretreatment auxiliary agent, 32% liquid alkali and 27.5% hydrogen peroxide, preserving heat for 30min at a temperature of 110 ℃, discharging, and neutralizing with glacial acetic acid.
Further, after the dyeing, the yarn is dried by an electric frequency dryer before the spooling treatment, the capacitance is controlled to be 50-60%, the current is controlled to be 2-9A, the power is controlled to be 60-80 KW, and the speed is controlled to be 8-9 m/h.
After the winding is finished, checking the weight, sand count, batch number and color of the yarn before the winding treatment, checking the variety without fluorescent requirement under a fluorescent lamp, performing weft matching after checking, finding out fluorescent pollution to stop production, feeding back in time, and storing in a designated area to be wound after checking.
Further, in the step S5, the dark color, the medium color or the light color can only be arranged in the same area at the same time, and the dark, medium and light mixing is not allowed, so that the flying is prevented in the process of separating the cans.
Further, after the end of the bobbin separation, the cotton yarn is subjected to warping treatment by a warping machine before weaving.
Further, in the cloth preparation process of the step S7, the advancing speed of the first machine cloth, the sample cloth and the process maintenance cloth is less than 15m/min.
Further, after the cloth enzyme washing is finished, a flat dryer is adopted to dry the cloth before liquid ammonia treatment, the drying temperature is 130-160 ℃, and the speed is 10-30 m/min.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. The invention adopts the spinning mode of siro compact spinning, selects proper spinning technological parameters such as twist, twisting direction, hairiness and the like, and preferably selects cotton yarn with less hairiness, uniform evenness and good strength. Meanwhile, proper water bath PVA sizing agent and silicone oil softening agent are screened, hairiness on the surface of yarns is reduced through yarn sizing, and the softening agent is used for softening the yarns, so that the fabric has good wearability, yarn breakage can be reduced in subsequent weaving, and weaving efficiency is improved. And testing yarn strength before warping, winding the yarn with low strength under direct tension, and breaking the weak point of cotton yarn in the winding process.
2. According to the invention, the tension compensation spring is regulated to keep the yarn tension within a certain range by optimizing the weaving process parameters, so that the problem that the yarn is easy to break during warp knitting and weaving of cotton yarn is solved, and meanwhile, the friction of the yarn is reduced as much as possible by adopting middle comb production of the cotton yarn. Solves the problem of easy fuzzing of cotton yarn during warp knitting and weaving, increases the weaving efficiency and reduces the defects of grey cloth.
3. The invention ensures that the treated fabric has bright color and soft hand feeling through the post-finishing process, further improves the dimensional stability of the fabric, and does not erode cotton fibers like the traditional caustic soda mercerization; the tightness of the fabric is improved, the problems of poor fuzzing and pilling resistance, low dimensional stability and the like of the fabric are solved, and the fabric is comfortable and soft in hand feeling and bright in color.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a flow chart of a method for processing a yarn-dyed all-cotton warp knitted fabric according to the invention;
FIG. 2 is a flow chart of the weaving in the present invention;
Fig. 3 is a top view of fig. 2.
In the figure: 1-a creel; 2-an automatic stop mechanism; 3-yarn collecting plate; 4-traction means; 5-hairiness detector; 6-a oiling device; 7-the headstock.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, shall fall within the scope of the invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
As shown in FIG. 1, the processing method of the yarn-dyed all-cotton warp knitted fabric comprises the following steps:
S1, preparing yarn: selecting siro compact spinning cotton yarn, meeting the requirements of superior products in GB/T398-2018, and selecting the twist, twisting direction and hairiness spinning technological parameters of the cotton yarn, wherein the twist of the cotton yarn is 106+/-5% TPM, and the twisting direction is Z twisting direction, mao Yu 2.7.7. And (3) respectively extracting not less than 4 yarn samples (at most 5, less than 4 according to the actual number of samples) from each batch of cotton yarns for test weaving, beating up and test weaving in plain weave series white cloth, color cleaning cloth and conventional Mitong varieties, analyzing the defect condition and the cloth cover effect of the cloth cover of the woven grey cloth, and determining whether the yarn meets the requirements.
S2, loose yarn: the cotton yarn is turned over into a dyeing bobbin according to the weight of 1kg of single yarn, the yarn loosening speed is controlled to be 600-850 r/min, and the broken yarn is spliced; in the yarn loosening treatment process, when the yarn breaks, the yarn guiding magnetic tooth position is led from the yarn to be rewound, the yarn bobbin yarn guides two yarn joints, the hooked cutter is adopted for knotting, and the length of the yarn tail of the joint is 1-3 mm.
S3, yarn dyeing:
1) The cotton yarn is pretreated firstly, and the pretreatment comprises: removing impurities and cotton seed hulls, heating to 60 ℃ at a speed of 3 ℃/min in a dye vat, adding a pretreatment auxiliary agent, 32% liquid alkali and 27.5% hydrogen peroxide, wherein the pretreatment auxiliary agent comprises complex dispersing agent, surfactant and compound of hydrogen peroxide stabilizer, preserving heat for 30min at a temperature of 110 ℃, discharging, and neutralizing by glacial acetic acid.
2) Then adding anhydrous sodium sulphate and reactive dye into a dye vat in sequence, wherein the reactive dye mainly adopts the Hunstar AVITERA type reactive dye, heating the dye vat to 60 ℃ at a speed of 1-2 ℃/min, adding sodium carbonate for heat preservation for 20-30 min after running for 5-10 min, controlling the dyeing pressure difference to be 1.0-1.5 bar, controlling the pump speed to be 80-85%, and performing unidirectional circulation for 3-5 min, wherein the optimal dyeing pressure difference is controlled to be 1.0bar, and controlling the pump speed to be 85% and performing unidirectional circulation for 3min.
3) After dyeing, adding the screened water bath PVA sizing agent and the silicone oil softener, wherein the silicone oil softener mainly adopts amino silicone oil softener, reduces hairiness on the surface of the yarn through yarn sizing, and softens the yarn through the silicone oil softener.
After the dyeing is finished, the yarn is dried by an electric frequency dryer before the winding treatment, the capacitance is controlled to be 50-60%, the current is controlled to be 2-9A, the power is controlled to be 60-80 KW, the speed is 8-9 m/h, and the preferred control capacitance is 52%, the current is controlled to be 2.14-8.57A, the power is controlled to be 66-75 KW, and the speed is 8.2-8.5 m/h.
S4, spooling: winding cotton yarn by using a Polar LR automatic winder at a winding speed of 650-800 r/min and a winding density of 0.37-0.39, keeping a winding channel clean and always on, winding warp yarn and weft yarn into a twisting bobbin, and removing defects on the yarn;
After the winding is finished, checking the weight, sand count, batch number and color of the yarn before the winding treatment, checking the variety without fluorescent requirement under a fluorescent lamp, performing weft matching after checking, finding out that fluorescent pollution stops production, feeding back in time, and storing in a designated area to be wound after checking.
S5, barrel separation: calculating the number of the sub-cylinders and the required length of each cylinder according to the process, and setting parameters of a cylinder separating machine according to the process requirements; when in barrel separation treatment, dark color, medium color or light color can only be arranged in the same area at the same time, and dark, medium and light mixing is not allowed, so that fly is prevented in the barrel separation process.
After the yarn splitting is finished, the cotton yarn is subjected to warping treatment by a warping machine before weaving, the warping machine can be a copying warping machine as shown in fig. 2 and 3, and comprises a bobbin cradle 1, a yarn collecting plate 3, a traction device 4, a hairiness detector 5, a oiling device 6 and a headstock 7, a self-stopping mechanism 2 is arranged on one side, close to the yarn collecting plate 3, of the bobbin cradle 1, the yarn collecting plate 3 is positioned between the bobbin cradle 1 and the traction device 4, the hairiness detector 5 is arranged on the other side of the traction device 4, and the oiling device 6 is positioned between the hairiness detector 5 and the headstock 7.
S6, weaving: according to the quantity of the tension compensation springs for cotton yarn blending after the bobbin separation, the excessive tension of the springs is easy to cause the increase of broken cotton yarn, the excessive tension of the springs is easy to cause poor loop release to generate broken yarn, a blowing device is arranged on a machine table, the tension of cotton yarn monofilaments is controlled to be less than 100N, and a compressed air gun is used for cleaning flying on a loop forming mechanism at regular time; after the cleaning of the fly is finished, the cleaning oil is used for cleaning the fly and wax of the needle.
S7, preparing cloth: carrying out full-width inspection on the woven fabric, leading the front side of the cloth to face upwards, controlling the advancing speed of the woven fabric to be less than 30m/min, grading by adopting defect button grading, and storing qualified grey cloth in a cloth preparation area; in the cloth preparation process, the advancing speed of the first machine cloth, the sample cloth and the process maintenance cloth is less than 15m/min.
S8, after-treatment:
1) Presetting: shaping by a shaping machine, controlling the temperature of an oven to be 160-190 ℃ and the speed of the oven to be 20-30 m/min, and simultaneously controlling the width and gram weight of cloth to meet the requirements;
2) And (3) enzyme washing: performing enzyme washing treatment on the pre-shaped fabric, and performing enzyme washing at 50-60 ℃ for 30-40 min by adopting neutral enzyme to remove hairiness on the fabric;
after the cloth enzyme washing is finished, a flat dryer is adopted to dry the cloth before liquid ammonia treatment, the drying temperature is 130-160 ℃, and the speed is 10-30 m/min.
3) Liquid ammonia treatment: washing and drying the fabric subjected to enzyme washing, and then treating the fabric by a loose type liquid ammonia machine to increase the compactness and glossiness of the fabric;
4) Shaping: and (3) carrying out shaping treatment on the fabric subjected to the liquid ammonia treatment, wherein the speed of the shaping treatment is 20-30 m/min, and the drying temperature is 160-190 ℃.
The process has simple steps, the processed fabric has soft hand feeling, good elasticity and good dimensional stability, and the product is comfortable to wear, breathable, light and thin, easy to manage and can be used for various fashionable dress such as casual shirts, children's dresses, lady's dresses and the like.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to achieve substantially the same technical effects are included in the scope of the present invention.
Claims (10)
1. The processing method of the yarn-dyed all-cotton warp knitted fabric is characterized by comprising the following steps of:
S1, preparing yarn: selecting siro compact spinning cotton yarn, and selecting the twist, twisting direction and hairiness spinning technological parameters of the cotton yarn;
S2, loose yarn: the cotton yarn is turned over to form a dyeing bobbin, the yarn loosening speed is controlled to be 600-850 r/min, and the broken yarn is spliced;
S3, yarn dyeing:
1) Firstly, preprocessing cotton yarn;
2) Then adding anhydrous sodium sulphate and reactive dye into a dye vat in sequence, heating the dye vat to 60 ℃ at a speed of 1-2 ℃/min, operating for 5-10 min, then adding sodium carbonate, preserving heat for 20-30 min, controlling the dyeing pressure difference to be 1.0-1.5 bar, controlling the pump speed to be 80-85%, and circulating unidirectionally for 3-5 min;
3) Adding the screened water bath PVA sizing agent and the silicone oil softening agent after dyeing, reducing hairiness on the surface of the yarn through yarn sizing, and softening the yarn through the silicone oil softening agent;
S4, spooling: winding cotton yarn by a winder at a winding speed of 650-800 r/min and a winding density of 0.37-0.39, keeping a winding channel clean and always on, winding warp yarn and weft yarn into a twisting bobbin, and removing defects on the yarn;
S5, barrel separation: calculating the number of the sub-cylinders and the required length of each cylinder according to the process, and setting parameters of a cylinder separating machine according to the process requirements;
s6, weaving: according to the quantity of the tension compensation springs of the cotton yarn after the splitting, a blowing device is arranged on a machine table, the tension of cotton yarn monofilaments is controlled to be less than 100N, and a compressed air gun is used for cleaning the fly on a looping mechanism at regular time;
s7, preparing cloth: carrying out full-width inspection on the woven fabric, leading the front side of the cloth to face upwards, controlling the advancing speed of the woven fabric to be less than 30m/min, grading by adopting defect button grading, and storing qualified grey cloth in a cloth preparation area;
S8, after-treatment:
1) Presetting: shaping by a shaping machine, controlling the temperature of an oven to be 160-190 ℃ and the speed of the oven to be 20-30 m/min, and simultaneously controlling the width and gram weight of cloth to meet the requirements;
2) And (3) enzyme washing: performing enzyme washing treatment on the pre-shaped fabric, and performing enzyme washing at 50-60 ℃ for 30-40 min by adopting neutral enzyme to remove hairiness on the fabric;
3) Liquid ammonia treatment: washing and drying the fabric subjected to enzyme washing, and then treating the fabric by a loose type liquid ammonia machine;
4) Shaping: and (3) carrying out shaping treatment on the fabric subjected to the liquid ammonia treatment, wherein the speed of the shaping treatment is 20-30 m/min, and the drying temperature is 160-190 ℃.
2. The method for processing the yarn-dyed all-cotton warp knitted fabric, according to claim 1, is characterized in that: the twist of the cotton yarn in the step S1 is 106+/-5 percent TPM, and the twist direction is Z twist direction, mao Yu 2.7.7.
3. The method for processing the yarn-dyed all-cotton warp knitted fabric, according to claim 1, is characterized in that: in the yarn loosening treatment process in the step S2, when the yarn breaks, the yarn guiding magnetic tooth position is led from the yarn to be rewound, the yarn bobbin yarn guides two yarn joints, the hooked knife is adopted for knotting, and the length of the yarn tail of the joint is 1-3 mm.
4. The method for processing the yarn-dyed all-cotton warp knitted fabric, according to claim 1, is characterized in that: the preprocessing in step S3 includes: removing impurities and cotton seed hulls, heating to 60 ℃ at a speed of 3 ℃/min in a dye vat, adding pretreatment auxiliary agent, 32% liquid alkali and 27.5% hydrogen peroxide, preserving heat for 30min at a temperature of 110 ℃, discharging, and neutralizing with glacial acetic acid.
5. The method for processing the yarn-dyed all-cotton warp knitted fabric, according to claim 1, is characterized in that: after the dyeing, the yarn is dried by an electric frequency dryer before the spooling treatment, the capacitance is controlled to be 50-60%, the current is controlled to be 2-9A, the power is controlled to be 60-80 KW, and the speed is controlled to be 8-9 m/h.
6. The method for processing the yarn-dyed all-cotton warp knitted fabric, according to claim 1, is characterized in that: after the winding is finished, checking the weight, sand count, batch number and color of the yarn before the winding treatment, checking the variety without fluorescent requirement under a fluorescent lamp, performing weft matching after checking, finding out that fluorescent pollution stops production, feeding back in time, and storing in a designated area to be wound after checking.
7. The method for processing the yarn-dyed all-cotton warp knitted fabric, according to claim 1, is characterized in that: in the step S5, the dark color, the medium color or the light color can be arranged in the same area at the same time, and the flying is prevented in the process of separating the cylinders.
8. The method for processing the yarn-dyed all-cotton warp knitted fabric, according to claim 1, is characterized in that: after the barrel separation is finished, the cotton yarn is subjected to warping treatment by a warping machine before weaving.
9. The method for processing the yarn-dyed all-cotton warp knitted fabric, according to claim 1, is characterized in that: in the cloth preparation process of the step S7, the advancing speed of the first machine cloth, the sample cloth and the process maintenance cloth is less than 15m/min.
10. The method for processing the yarn-dyed all-cotton warp knitted fabric, according to claim 1, is characterized in that: after the cloth enzyme washing is finished, a flat dryer is adopted to dry the cloth before liquid ammonia treatment, the drying temperature is 130-160 ℃, and the speed is 10-30 m/min.
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| CN101550656A (en) * | 2009-05-13 | 2009-10-07 | 宁波雅戈尔日中纺织印染有限公司 | Method for processing soft and smooth knitted fabric |
| CN108677517A (en) * | 2018-05-22 | 2018-10-19 | 杭州富强丝绸有限公司 | Color knits silk flosssilk wadding warp knitting technology |
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| CN106435997A (en) * | 2016-10-13 | 2017-02-22 | 余燕平 | Filament short-fiber composite yarn warp knitting fabric and preparation method thereof |
| CN111764030B (en) * | 2020-05-26 | 2022-06-28 | 滨州亚光家纺有限公司 | Composite low-twist yarn towel and production method thereof |
| CN114753054B (en) * | 2022-03-30 | 2023-05-12 | 深圳全棉时代科技有限公司 | All-cotton warp knitting gauze-like fabric and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101550656A (en) * | 2009-05-13 | 2009-10-07 | 宁波雅戈尔日中纺织印染有限公司 | Method for processing soft and smooth knitted fabric |
| CN108677517A (en) * | 2018-05-22 | 2018-10-19 | 杭州富强丝绸有限公司 | Color knits silk flosssilk wadding warp knitting technology |
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