CN116926967A - Breathable unidirectional moisture-conducting fabric and preparation method thereof - Google Patents
Breathable unidirectional moisture-conducting fabric and preparation method thereof Download PDFInfo
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- CN116926967A CN116926967A CN202310950224.8A CN202310950224A CN116926967A CN 116926967 A CN116926967 A CN 116926967A CN 202310950224 A CN202310950224 A CN 202310950224A CN 116926967 A CN116926967 A CN 116926967A
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- 239000004744 fabric Substances 0.000 title claims abstract description 71
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title description 4
- 239000000835 fiber Substances 0.000 claims abstract description 68
- 239000011248 coating agent Substances 0.000 claims abstract description 51
- 238000000576 coating method Methods 0.000 claims abstract description 51
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 22
- 229920000742 Cotton Polymers 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000011282 treatment Methods 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000009941 weaving Methods 0.000 claims abstract description 7
- 238000009987 spinning Methods 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 30
- 229920001778 nylon Polymers 0.000 claims description 19
- 229920000728 polyester Polymers 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 16
- 210000004243 sweat Anatomy 0.000 abstract description 11
- 238000002156 mixing Methods 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 239000004753 textile Substances 0.000 description 31
- 230000008569 process Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- 238000009736 wetting Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/18—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials
- D06N3/186—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials one of the layers is on one surface of the fibrous web and the other layer is on the other surface of the fibrous web
-
- 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
- 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
- D03D15/40—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 structure of the yarns or threads
- D03D15/47—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 structure of the yarns or threads multicomponent, e.g. blended yarns or threads
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/141—Hydrophilic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/142—Hydrophobic
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses a breathable unidirectional moisture-conducting fabric and a preparation method thereof, comprising the following steps: selecting fiber raw materials with heat shrinkage performance and wet shrinkage performance, mixing and processing the fiber raw materials into yarns serving as warp yarns; the warp threads are respectively subjected to high-temperature heating treatment and wet heat treatment, so that the warp threads have the performances of heat shrinkage, wet shrinkage and recovery; selecting cotton fibers, cleaning and drying, weaving into hollow threads, and uniformly arranging through holes on the side surfaces to serve as wefts; using warp yarns as longitudinal yarns and weft yarns as transverse yarns to weave into a fabric, wherein one side of the fabric is coated with a hydrophilic coating, and the other side of the fabric is coated with a hydrophobic coating, so that the breathable unidirectional moisture-conducting fabric is prepared; the fabric forms waves, has good ventilation effect, combines hydrophilic coating, increases capillary effect of the fabric, enhances adsorption of sweat on skin, and realizes unidirectional moisture-conducting effect through hydrophobic coating.
Description
Technical Field
The invention relates to the field of textile fabric preparation, in particular to a breathable unidirectional moisture-conducting fabric and a preparation method thereof.
Background
The fabric is an important raw material for manufacturing ready-made clothes, and the existing fabric has a plurality of varieties, but with the improvement of the living standard of people, new varieties capable of meeting the needs of different people are needed to be provided. The requirements of people on clothing are not only requirements on clothing styles and doing work, but also requirements on clothing quality, so that the requirements on clothing fabrics keep pace with the development of clothing forms, and the characteristics of functional, comfortable, environment-friendly, healthy fabrics and the like are topics of increasing attention.
However, in the prior art, most of fabrics are made of single materials, but the properties of each material are different, so that the characteristics of the fabrics prepared from each material have different effects, such as soft and close-fitting properties of cotton, moisture absorption and ventilation properties, and the characteristics of woolen fabrics such as wear resistance and warmth retention, but when the temperature is higher, the mixed sweat of textiles can be adhered to the skin surface layer by perspiration of human bodies, and the fabrics have no ventilation property.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a breathable unidirectional moisture-conducting fabric and a preparation method thereof.
In order to achieve the above purpose, the invention adopts the following technical scheme: a preparation method of breathable unidirectional moisture-conducting fabric comprises the following steps:
s1: selecting polyester fibers and nylon fibers to be mixed and processed into yarns as warp yarns;
s2: the warp threads are respectively subjected to high-temperature heating treatment and wet heat treatment, so that the warp threads have the performances of heat shrinkage, wet shrinkage and recovery;
s3: selecting cotton fibers, cleaning and drying, weaving into hollow threads, and uniformly arranging through holes on the side surfaces to serve as wefts;
s4: the warp yarn is used as a longitudinal yarn, the weft yarn is used as a transverse yarn, and the fabric is woven, wherein one side of the fabric is coated with a hydrophilic coating, and the other side of the fabric is coated with a hydrophobic coating, so that the breathable unidirectional moisture-conducting fabric is prepared.
In a preferred embodiment of the present invention, in S1, the fiber raw materials selected are polyester fibers and nylon fibers, wherein the polyester fibers and the nylon fibers are mixed according to a ratio of 6:4.
In a preferred embodiment of the present invention, in S1, the fiber raw material is processed into yarn, specifically, the fiber is sequentially subjected to washing, drying, stretching and twisting operations, thereby producing yarn.
In a preferred embodiment of the present invention, in S2, the specific parameters of the high temperature heat treatment are a temperature of 37.5-38.5 ℃, a pressure of 0.5-1.5MPa and a humidity of 30%.
In a preferred embodiment of the present invention, in S2, the specific parameters of the wet heat treatment are a temperature of 100-120 ℃, a duration of 10-30min, and a humidity of 80% -90%.
In a preferred embodiment of the present invention, in S3, the hollow yarn is woven by a hollow spinning technique
In a preferred embodiment of the present invention, in S4, the breathable unidirectional moisture-conducting fabric is woven by a warp and weft interweaving method.
In a preferred embodiment of the present invention, in S3, the cotton fiber is perforated using a needle wheel or a cylinder while spinning the hollow thread.
In a preferred embodiment of the present invention, in S3, the wire diameter: typically between 0.2 and 1.0 mm; linear density: typically between 10-50 roots/cm; typically 2-10 holes are provided in each wire, with a pore size of between 0.5-2 mm.
The fabric of the preparation method of the breathable unidirectional moisture-conducting fabric comprises warp yarns and weft yarns,
the warp is a longitudinal thread of the fabric; the warp has the properties of heat shrinkage, wet shrinkage and recovery;
the weft is a transverse thread of the fabric; the weft is arranged in a hollow shape, and through holes are uniformly formed in the side surface of the weft;
one side of the fabric is provided with a hydrophilic coating, and the other side is provided with a hydrophobic coating.
In a preferred embodiment of the invention, the hydrophilic coating is arranged on the side close to the skin and the hydrophobic coating is arranged on the side remote from the skin.
The invention solves the defects existing in the background technology, and has the following beneficial effects:
the invention provides a breathable unidirectional moisture-conducting fabric and a preparation method thereof, wherein warp yarns, weft yarns and hydrophilic coating and hydrophobic coating are mutually matched, so that the fabric woven and formed by using a warp and weft interweaving method is compressed at the middle hollow part of the hollow weft yarns and through holes on the side surfaces when the warp yarns shrink, the fabric forms waves and has good ventilation effect, the hydrophilic coating is combined, the capillary effect of the fabric is increased, the adsorption of sweat on skin is enhanced, and meanwhile, the unidirectional moisture-conducting effect is realized through the hydrophobic coating.
The invention provides a breathable unidirectional moisture-conducting fabric and a preparation method thereof, wherein warp threads and a hydrophilic coating and a hydrophobic coating are matched with each other, so that when a human body wears the fabric, polyester fibers with thermal shrinkage are contracted, sweat absorbed by the hydrophilic coating on the surface of the coating when the human body sweats, at the moment, nylon fibers with wet shrinkage are also contracted, warp threads formed by the polyester fibers and the nylon fibers are contracted, the textile woven by a warp-weft interweaving method is in a wave shape, external air enters between skin and the textile, and the textile absorbing sweat is prevented from being stuck on the skin.
According to the breathable unidirectional moisture-conducting fabric and the preparation method thereof, through the coordination between the through holes on the warps and the hollow wefts and the hydrophilic coating and the hydrophobic coating, the hydrophilic coating positioned on one side close to the skin adsorbs sweat on the textile, when the warps shrink, the through holes on the sides of the hollow wefts and the wefts are compressed, so that the capillary effect is increased, the adsorptivity to water molecules is increased, and the hydrophobic coating is arranged on the outer side, so that the textile achieves the unidirectional moisture-conducting effect from one side close to the skin to the other side.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art;
fig. 1 is a flow chart of a preferred embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but 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, are intended to be within the scope of the invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1, the preparation method of the breathable unidirectional moisture-conducting fabric comprises the following steps:
s1: selecting polyester fibers and nylon fibers to be mixed and processed into yarns as warp yarns;
in a preferred embodiment of the present invention, in S1, the fiber raw materials selected are polyester fibers and nylon fibers, wherein the polyester fibers and the nylon fibers are mixed according to a ratio of 6:4.
In a preferred embodiment of the present invention, in S1, the fiber raw material is processed into yarn, specifically, the fiber is sequentially subjected to washing, drying, stretching and twisting operations, thereby producing yarn.
The polyester fiber and the nylon fiber are mixed according to a ratio of 6:4. Respectively preprocessing the polyester fiber and the nylon fiber, including cleaning, drying and the like; mixing the pretreated polyester fiber and nylon fiber together, and stretching and twisting to prepare a mixed yarn; special treatments such as high-temperature heating, wet heat treatment and the like are carried out on the mixed yarn so as to endow the mixed yarn with certain heat shrinkage and wet shrinkage performance; testing the prepared mixed yarn to determine specific parameters of heat shrinkage and wet shrinkage, such as shrinkage rate, recovery rate and the like; according to the test result, the processing technology is adjusted to ensure that the heat shrinkage and wet shrinkage performance of the mixed yarn meet the requirements; the prepared mixed yarn is applied to textile manufacturing, such as weaving, braiding, knitting and the like.
S2: the warp threads are respectively subjected to high-temperature heating treatment and wet heat treatment, so that the warp threads have the performances of heat shrinkage, wet shrinkage and recovery;
in a preferred embodiment of the present invention, in S2, the specific parameters of the high temperature heat treatment are a temperature of 37.5-38.5 ℃, a pressure of 0.5-1.5MPa and a humidity of 30%.
The specific method for the high-temperature heating treatment comprises the following steps: the mixed fiber is wound into a yarn. Putting the yarn into a baking oven for high-temperature heating treatment; in the heating process, a proper amount of moisture is needed to be added, so that the fiber is in a high-temperature and high-humidity state, and the molecular chains in the fiber can be activated better, thereby endowing the fiber with certain heat shrinkage performance; the temperature and time can be controlled to realize a certain heat shrinkage effect when heating, and specific parameters need to be determined according to specific fibers, processes and requirements; for polyester fibers and nylon fibers with a blend ratio of 6:4, the following heat treatment parameters may be employed: temperature: 37.5-38.5 ℃; time: typically between a few minutes and tens of minutes; pressure: certain pressure, usually 0.5-1.5MPa, can be added in the heating process, and can be adjusted according to the requirements of the fiber; wherein, parameters such as temperature, time, pressure and the like need to be controlled in the heating process so as to prevent overheating and burning loss of fibers; wherein, for the polyester fiber and nylon fiber with the mixing ratio of 6:4, certain moisture is needed to be added during high-temperature heating treatment so as to make the fiber in a high-temperature and high-humidity state, thereby better activating molecular chains in the fiber and endowing the fiber with certain heat shrinkage performance; wherein, the added humidity should be controlled at about 30%, and specific numbers can be adjusted according to actual conditions and requirements. In actual operation, the humidification can be realized by adding a proper amount of water vapor or wet towels, and the like, meanwhile, the humidity needs to be paid attention to, otherwise, the heating effect and the performance of the fiber can be affected, so that the mixture of the nylon fiber and the polyester fiber with the heat shrinkage temperature of 37.5-38.5 ℃ is prepared.
In a preferred embodiment of the present invention, in S2, the specific parameters of the wet heat treatment are a temperature of 100-120 ℃, a duration of 10-30min, and a humidity of 80% -90%.
The specific method of the wet heat treatment is as follows: preparing a sample of the mixed fibers, typically requires pretreatment such as washing, drying, etc., to ensure that the fibers are free of stains and impurities; and placing the mixed fiber sample into a wet heat box for wet heat treatment. In the process of damp heat treatment, parameters such as temperature, time, humidity and the like need to be controlled; the temperature is generally controlled between 100 ℃ and 120 ℃, the time is generally between 10 min and 30min, and specific parameters can be adjusted according to the specific situation and requirements of the mixed fiber; the humidity is controlled between 80% and 90%, and the humidity is also determined according to the specific material and the requirements of the fiber; in the wet heat treatment process, the quality and the performance of the sample, such as hygroscopicity, strength, elasticity and the like, need to be detected periodically; wherein, parameters such as temperature, time, humidity and the like need to be controlled in the wet heat treatment process, so that excessive treatment and damage to fibers are avoided. In addition, the polyester fiber and the nylon fiber with different mixing ratios have different properties and requirements, so that specific parameters also need to be adjusted according to actual situations and requirements.
S3: selecting cotton fibers, cleaning and drying, weaving into hollow threads, and uniformly arranging through holes on the side surfaces to serve as wefts;
the specific preparation operation of the weft yarn is as follows: preparing cotton fibers, and performing pretreatment such as cleaning, drying and the like on the cotton fibers to ensure that the fibers are free of stains and impurities; the cotton fiber is woven to prepare the hollow textile thread. In the spinning process, special spinning technologies such as hollow spinning and the like can be adopted to prepare hollow fibers; in the spinning process, parameters of a spinning machine, such as spinning speed, tension, winding and the like, are adjusted to obtain required wire diameter and wire density; in the spinning process, a plurality of through holes can be formed on the side surface of the fiber so as to improve the air permeability and the moisture absorption of the fiber; after the spinning is completed, the textile threads are detected and quality controlled to ensure that the textile threads meet the requirements. The specific parameters may be adjusted according to the specific requirements of the fiber and the performance of the textile machine. The following parameters may be employed: wire diameter: generally between 0.2-1.0mm, depending on the specific requirements and application. Linear density: depending on the specific requirements and application scenario, it is generally between 10-50 roots/cm. Number and size of openings: according to specific requirements and application situations, 2-10 holes are generally formed in each wire, and the aperture is between 0.5 and 2 mm. Spinning speed, tension, winding and other parameters: depending on the performance of the textile machine and the specific requirements of the fibers, it is generally necessary to carry out a number of tests and adjustments.
In a preferred embodiment of the present invention, in S3, the hollow thread is woven by a hollow spinning technique.
It should be noted that: spinning of hollow threads is performed by a hollow spinning machine and a hollow spinning technology, and during spinning, spinning raw materials are drawn and formed into spun yarns by drawing and rotating actions of the spinning machine. In the hollow spinning technique, the spinning machine is formed into a hollow shape during the drawing process. This can be achieved by adjusting parameters of the spinning machine and control of the spinning process, wherein the specific operations are:
preparing spinning raw materials: and cotton fiber is prepared as spinning raw material.
Adjusting parameters of the spinning machine: parameters of the spinning machine are adjusted according to the characteristics of the spinning raw material and the required hollow effect. The following are some parameters that need to be adjusted:
spinning speed: 5000-6000r/min. Generally, higher spinning speeds can increase the drawing and spinning of the fibers, which is advantageous for creating a hollow effect.
Spinning tension: 0.5-1.5cN/tex. The tension control device of the spinning machine is adjusted so that the spun yarn maintains an appropriate tension during the drawing process, and too high a tension may cause the spun yarn to break, while too low a tension may affect the morphology of the spun yarn.
Spinning pressure: 0.1-0.5cN/tex. The pressure control device of the spinning machine is adjusted so that the spinning raw material is subjected to an appropriate pressure during the spinning process. Proper spinning pressure can help the fibers form a hollow shape.
Hollow formation during spinning: after the parameters are adjusted, the cotton fibers are supplied to a spinning machine, and the spinning machine is started to spin. During spinning, the spinning machine forms hollow spinning threads under the action of stretching and rotation.
Collecting and finishing spun yarns: after spinning, the spun yarn is removed from the spinning machine and collected and finished. This includes cutting the spun yarn, finishing the appearance and quality of the spun yarn, and the like. In the finishing process, the hollow shape of the spun yarn can be further adjusted and trimmed as required.
In a preferred embodiment of the present invention, in S3, the cotton fiber is perforated using a needle wheel or a cylinder while spinning the hollow thread.
In the spinning process, a plurality of through holes are formed in the side surfaces of the fibers, so that the structure and the performance of the fibers can be changed, and the air permeability, the hygroscopicity and the like of the fibers are improved. The specific operation steps are as follows: preparing fibers, and performing pretreatment such as cleaning, drying and the like on the fibers to ensure that the fibers are free of stains and impurities; feeding the fibers into a spinning machine, typically a spinning machine or a loom; in textile machines, special devices are used, such as pinwheels, cylinders, etc., which open a number of through holes along the sides of the fibers. The specific pore diameter and pore distance need to be determined according to the requirements and application situations of the fiber; while forming holes, controlling the tension and speed of the fiber to ensure that the size and position of the holes meet the requirements; after spinning is completed, the fiber with holes is detected and quality controlled to ensure that the fiber meets the requirements. Specific parameters include: pore size and pitch: according to specific requirements and application scenes, 2-10 holes are generally formed in each wire, the aperture is 0.5-2mm, and the hole pitch is 1-5 mm; spinning speed and tension: according to the performance of the textile machine and the specific requirements of the fibers, a plurality of tests and adjustments are generally required; device for forming holes: suitable aperturing means, such as pinwheels, needle cylinders, etc., are selected according to the type and requirements of the fibers.
S4: the warp yarn is used as a longitudinal yarn, the weft yarn is used as a transverse yarn, and the fabric is woven, wherein one side of the fabric is coated with a hydrophilic coating, and the other side of the fabric is coated with a hydrophobic coating, so that the breathable unidirectional moisture-conducting fabric is prepared.
In a preferred embodiment of the present invention, in S4, the breathable unidirectional moisture-conducting fabric is woven by a warp and weft interweaving method.
The warp and weft interlacing method: the method is to weave two different threads into a fabric by interweaving the two different threads serving as warp threads and weft threads respectively. The warp and the weft are crossed and penetrated in the weaving process to form a latticed texture. The method can make the fabric have different textures and handfeel, and can adjust the density and tension of warps and wefts so as to control the thickness, strength and other performances of the fabric.
The fabric of the preparation method of the breathable unidirectional moisture-conducting fabric comprises warp yarns and weft yarns,
the warp is a longitudinal thread of the fabric; the warp has the properties of heat shrinkage, wet shrinkage and recovery;
the weft is a transverse thread of the fabric; the weft is arranged in a hollow shape, and through holes are uniformly formed in the side surface of the weft;
one side of the fabric is provided with a hydrophilic coating, and the other side is provided with a hydrophobic coating.
In a preferred embodiment of the invention, the hydrophilic coating is arranged on the side close to the skin and the hydrophobic coating is arranged on the side remote from the skin.
It should be noted that, the hydrophilic coating and the hydrophobic coating on the textile are a surface treatment technology, and the chemical properties of the textile surface can be changed by coating a hydrophilic or hydrophobic coating on the textile surface, so that the textile has different wettability; the hydrophilic coating is a chemical coating with hydrophilicity, which can enable the surface of the textile to absorb moisture, thereby enabling the textile to have good wetting property. The hydrophilic coating is generally made of fluorocarbon resin, silicone resin and other materials, and a layer of uniform coating can be formed on the surface of the textile, so that the performances of air permeability, hygroscopicity, comfort and the like of the textile are improved; the hydrophobic coating is a chemical coating with hydrophobicity, so that the surface of the textile is not easy to absorb moisture, and the textile has good waterproof performance. The hydrophobic coating is generally made of fluorocarbon resin, silicone resin and other materials, and a layer of uniform coating can be formed on the surface of the textile, so that the performances of water resistance, dirt resistance, wear resistance and the like of the textile are improved.
When the warp yarn is used, polyester fibers and nylon fibers with heat shrinkage performance and wet shrinkage performance are selected, wherein the polyester fibers and the nylon fibers are mixed and processed into yarns according to the ratio of 6:4, and the yarns are used as warp yarns; the warp threads are respectively subjected to high-temperature heating treatment and wet heat treatment, so that the warp threads have the performances of heat shrinkage, wet shrinkage and recovery; selecting cotton fibers for cleaning and drying, weaving into hollow threads in a hollow spinning mode, and uniformly arranging through holes on the side surfaces of the cotton fibers by using needle wheels on the side surfaces to serve as wefts; warp yarns are used as longitudinal yarns, weft yarns are used as transverse yarns, a warp and weft interweaving method is adopted to weave the breathable unidirectional moisture-conducting fabric, a hydrophilic coating is coated on one side close to the fabric, and a hydrophobic coating is coated on the other side.
When the textile prepared by the method is worn, one side with the hydrophilic coating is the inner side and is contacted with the skin of a human body, the outer side with the hydrophobic coating is the outer side, after the textile is worn, the temperature is increased, the warp is made of mixed fibers and is subjected to high-temperature heating treatment and wet heat treatment, so that the warp has heat shrinkage and wet shrinkage, the heat shrinkage temperature of the heat shrinkage is between 37.5 and 38.5 ℃, the warp can shrink after the warp receives the temperature exceeding 37.5 ℃, warp and weft are woven by adopting warp and weft interweaving warp threads, the warp and weft are alternately woven, the warp is extruded when the warp is contracted, the weft is hollow, through holes are uniformly formed in the circumference of the side, the through holes per se have a certain capillary effect, and the hollow and through holes in the middle of the weft are compressed when the warp is extruded, so that the capillary effect is enhanced, the warp has the hydrophilic coating on one side of the bonded skin, the warp has a combined effect of a certain adsorptivity and an effect on water molecule, so that sweat is adsorbed on the inner side of the textile, and then the warp and weft are not adsorbed on the inner side of the textile, and the sweat is not adsorbed on the inner side of the skin, and the sweat is not adsorbed on the positions of the skin, and the inner side is different in the capillary positions, and the sweat is not adsorbed on the skin.
The above-described preferred embodiments according to the present invention are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. The preparation method of the breathable unidirectional moisture-conducting fabric is characterized by comprising the following steps of:
s1: selecting polyester fibers and nylon fibers to be mixed and processed into yarns as warp yarns;
s2: the warp threads are respectively subjected to high-temperature heating treatment and wet heat treatment, so that the warp threads have the performances of heat shrinkage, wet shrinkage and recovery;
s3: selecting cotton fibers, cleaning and drying, weaving into hollow threads, and uniformly arranging through holes on the side surfaces to serve as wefts;
s4: the warp yarn is used as a longitudinal yarn, the weft yarn is used as a transverse yarn, and the fabric is woven, wherein one side of the fabric is coated with a hydrophilic coating, and the other side of the fabric is coated with a hydrophobic coating, so that the breathable unidirectional moisture-conducting fabric is prepared.
2. The method for preparing the breathable unidirectional moisture-conducting fabric according to claim 1, which is characterized in that: in the step S1, the polyester fibers and the nylon fibers are mixed according to the ratio of 6:4.
3. The method for preparing the breathable unidirectional moisture-conducting fabric according to claim 1, which is characterized in that: in the step S1, the fiber raw material is processed into yarn, specifically, the fiber is sequentially subjected to washing, drying, stretching and twisting operations.
4. The method for preparing the breathable unidirectional moisture-conducting fabric according to claim 1, which is characterized in that: in the step S2, the specific parameters of the high-temperature heating treatment are 37.5-38.5 ℃, the pressure of 0.5-1.5MPa and the humidity of 30 percent.
5. The method for preparing the breathable unidirectional moisture-conducting fabric according to claim 1, which is characterized in that: in the step S2, the specific parameters of the wet heat treatment are 100-120 ℃,10-30min and 80-90% humidity.
6. The method for preparing the breathable unidirectional moisture-conducting fabric according to claim 1, which is characterized in that: in S3, the hollow yarn is woven by a hollow spinning technique.
7. The method for preparing the breathable unidirectional moisture-conducting fabric according to claim 1, which is characterized in that: in the step S4, the breathable unidirectional moisture-conducting fabric is woven by adopting a warp-weft interweaving method.
8. The method for preparing the breathable unidirectional moisture-conducting fabric according to claim 1, which is characterized in that: in S3, the cotton fiber is perforated using a pinwheel or a cylinder while spinning the hollow thread.
9. A breathable unidirectional moisture-conducting fabric comprising warp threads and weft threads based on the preparation method of any one of claims 1-8, characterized in that:
the warp yarns have heat shrinkage, wet shrinkage and recovery properties;
the weft is arranged in a hollow shape, and through holes are uniformly formed in the side face of the weft;
one side of the fabric is provided with a hydrophilic coating, and the other side of the fabric is provided with a hydrophobic coating.
10. The breathable unidirectional moisture-conducting fabric of claim 9, wherein: the hydrophilic coating is arranged on one side close to the skin, and the hydrophobic coating is arranged on one side far away from the skin.
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