CN114990767B - Unidirectional moisture-conducting knitted fabric and preparation method thereof - Google Patents
Unidirectional moisture-conducting knitted fabric and preparation method thereof Download PDFInfo
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- CN114990767B CN114990767B CN202210690062.4A CN202210690062A CN114990767B CN 114990767 B CN114990767 B CN 114990767B CN 202210690062 A CN202210690062 A CN 202210690062A CN 114990767 B CN114990767 B CN 114990767B
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- 239000004744 fabric Substances 0.000 title claims abstract description 148
- 238000004519 manufacturing process Methods 0.000 title abstract description 19
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000002657 fibrous material Substances 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000009941 weaving Methods 0.000 claims abstract description 16
- 230000002209 hydrophobic effect Effects 0.000 claims description 18
- 238000007493 shaping process Methods 0.000 claims description 18
- 229920004933 Terylene® Polymers 0.000 claims description 16
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 16
- 238000004043 dyeing Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 238000007689 inspection Methods 0.000 claims description 11
- 229920000297 Rayon Polymers 0.000 claims description 9
- 210000001161 mammalian embryo Anatomy 0.000 claims description 9
- 239000002964 rayon Substances 0.000 claims description 9
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 238000010521 absorption reaction Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 12
- 238000005406 washing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 229920000742 Cotton Polymers 0.000 description 30
- 239000000047 product Substances 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 16
- 229920000728 polyester Polymers 0.000 description 12
- 239000004902 Softening Agent Substances 0.000 description 11
- 238000009940 knitting Methods 0.000 description 10
- 229920002334 Spandex Polymers 0.000 description 5
- 239000004759 spandex Substances 0.000 description 5
- 210000004243 sweat Anatomy 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007730 finishing process Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004661 hydrophilic softener Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
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- 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
- D04B21/02—Pile fabrics or articles having similar surface features
- D04B21/04—Pile fabrics or articles having similar surface features characterised by thread material
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/10—Patterned fabrics or articles
- D04B1/102—Patterned fabrics or articles with stitch pattern
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/10—Patterned fabrics or articles
- D04B1/12—Patterned fabrics or articles characterised by thread material
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- 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
- D04B21/06—Patterned fabrics or articles
- D04B21/08—Patterned fabrics or articles characterised by thread material
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- 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
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
- D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
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- 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
- D04B21/20—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 specially adapted for knitting articles of particular configuration
- D04B21/207—Wearing apparel or garment blanks
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- 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
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- 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
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- 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
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/021—Moisture-responsive characteristics hydrophobic
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- 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
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/022—Moisture-responsive characteristics hydrophylic
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- 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
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/01—Surface features
- D10B2403/011—Dissimilar front and back faces
- D10B2403/0114—Dissimilar front and back faces with one or more yarns appearing predominantly on one face, e.g. plated or paralleled yarns
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- 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
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
- Woven Fabrics (AREA)
Abstract
The invention relates to a unidirectional moisture-conducting knitted fabric and a preparation method thereof, and belongs to the technical field of functional fabrics. The unidirectional moisture-conducting knitted fabric adopts the conventional fiber material with good hygroscopicity and the fiber material with poor hygroscopicity, a double-layer structure is obtained through a special weaving method, and the knitted fabric with the unidirectional moisture-conducting function is obtained by utilizing the moisture-conducting performance difference of the double-layer material. The fabric has the advantages that all the front tissue points of the fabric are made of materials with good hygroscopicity, and the back tissue points of the fabric are made of materials with good hygroscopicity and materials with poor hygroscopicity which are arranged according to a certain proportion, so that the front water absorption effect of the fabric is better than that of the back, when the back of the fabric absorbs moisture, the moisture can be quickly conducted to the front, the back of the fabric is kept dry, and the wearing comfort of clothes is improved. The unidirectional moisture-conducting fabric produced by the method has the characteristics of simple production flow, no need of special equipment, low production cost, soft hand feeling, rich color and good unidirectional moisture-conducting performance water-washing resistance.
Description
Technical Field
The invention belongs to the technical field of functional fabrics, and particularly relates to a unidirectional moisture-conducting knitted fabric and a preparation method thereof.
Background
In the present era, people have higher requirements on clothing comfort, meanwhile, leisure, sports and body building become fashion, the requirements on the functionality of the clothing are higher, and the common moisture absorption and quick drying functions become basic functions in sports scenes. However, when a human body sweats greatly, the hydrophilicity of the front side and the back side of the common moisture-absorbing and quick-drying fabric is not obviously different, and the moisture absorbed by the fabric is not evaporated, so that the fabric can be stuck on the surface of skin, and the wearing comfort is greatly reduced. Therefore, the unidirectional moisture-conducting fabric with the front surface hydrophilicity better than the back surface hydrophilicity makes use of the differential capillary effect of the front and back surfaces, so that the fabric can be quickly transferred to the front surface of the fabric after absorbing water, and the skin-adhering surface can still keep breathable and dry, and is more and more favored by people.
The production process of the unidirectional moisture-conducting fabric disclosed at present mostly needs to use a waterproof agent, and the waterproof agent is locally applied to the fabric by adopting a printing or coating technology (CN 200610035051); or the yarn is firstly subjected to waterproof treatment, then interweaved or hydrophilic water repellent yarn is combined and twisted, and then interweaved (CN 201010225250, CN201210111482 and CN 201910255832). The printing or coating technology needs special equipment, has requirements on the thickness of the fabric, has complex production flow and has influence on the handfeel of the fabric; the yarn is subjected to water repellent treatment, the production flow is complex, the waterproof performance of the yarn is poor in stability, if the yarn is treated by a cone yarn, the problem of internal heterodyne exists, the waterproof performance of the yarn is also easily damaged in the subsequent dyeing and finishing processing process, the washing fastness is poor, and the production cost is high.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention aims to provide the unidirectional moisture-conducting knitted fabric which is produced by utilizing the difference of the moisture absorption performance of the material, and has the advantages of simple production flow, no need of special equipment, low production cost, soft hand feeling, rich color and good unidirectional moisture-conducting performance water resistance.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme:
a unidirectional moisture-conducting knitted fabric comprises a first fabric layer (the front surface of a fabric) and a second fabric layer (the back surface of the fabric);
the first fabric layer is woven by hydrophilic fiber materials;
the second fabric layer is formed by mixing and weaving hydrophilic fiber materials and hydrophobic fiber materials.
Preferably, the unidirectional moisture-conducting knitted fabric is woven by adopting a bottom surface double-layer structure weaving method, so that all first fabric layers of the fabric are made of hydrophilic fiber materials, and all second fabric layers are made of hydrophilic fiber materials and hydrophobic fiber materials. Specifically, the bottom surface double-layer structure weaving method can be a double-layer structure weaving process or a single-side sanitary clothing structure weaving process and the like.
Preferably, the hydrophilic fiber material and the hydrophobic fiber material in the second fabric layer are arranged according to a certain proportion, so that the proportion of the area ratio of the hydrophobic fiber material to the area ratio of the hydrophilic fiber material is in the range of 3:1-15:1. If the ratio is less than 3:1, the second fabric layer has too many moisture absorption points, and the second fabric layer is wet to some extent after moisture absorption, so that dryness cannot be maintained. If the above ratio is more than 15:1, the second fabric layer has too few absorbent points to be poor in water absorption, and it takes a long time for moisture to be conducted to the first fabric layer, and wearing comfort is also deteriorated. In the present invention, the area ratio refers to the projected area of each fiber material in the second fabric layer on the plane, and is related to the number of tissue points of each material and the linear density of the yarn.
Preferably, the hydrophilic fiber material is rayon or cotton.
Preferably, the hydrophobic fiber material is non-differentiated polyester.
A preparation method of unidirectional moisture-conducting knitted fabric comprises the following process steps: embryo weaving, embryo cloth inspection, dyeing (in-cylinder softening), dehydration and finished product shaping. The fabric containing spandex is subjected to embryo cloth shaping operation after embryo cloth inspection.
In the shaping process of the finished product, a special softening agent is needed, and the special softening agent is added to ensure that the added softening agent does not influence the hygroscopicity of the hydrophilic fiber material or the water repellency of the hydrophobic fiber material, and meanwhile, the soft hand feeling of the fabric can be given. The compliant softener may be a polyether modified silicone emulsion (e.g., ULTRATEX STS-U of Huntsman) in an amount of 8-40g/L.
The beneficial effects of the invention are as follows:
the invention adopts a bottom layer double-layer structure weave, for example: the double-layer structure or the single-sided sanitary clothing structure is characterized in that the inner layer (second fabric layer) close to the skin adopts hydrophilic fiber materials with good hygroscopicity, namely cotton or rayon, and hydrophobic fiber materials with poor hygroscopicity, namely terylene, are alternately arranged, the area of the terylene material is far more than that of the rayon or cotton, and the outer layer (first fabric layer) is all the cotton or the rayon with good hygroscopicity. In the dyeing and finishing process, no extra process is needed, the dyeing and finishing process is the same as that of the common fabric, only a specific polyether modified silicon emulsion softener (such as ULTRATEX STS-U) is needed in shaping, the hydrophilicity of the cotton/cotton is not influenced, the hydrophobicity of the polyester is not influenced, meanwhile, soft hand feeling can be given to the fabric, and if other hydrophilia or common softener is adopted, the hydrophilia difference between the cotton or the cotton and the polyester can be reduced. The finished product of the fabric obtained by the method greatly maintains the moisture absorption difference of the fiber materials, and the unidirectional moisture-conducting fabric with the front hydrophilicity obviously better than the back hydrophilicity is obtained. After the human body sweats, the hydrophilicity of the front surface of the fabric is obviously better than that of the back surface, a differential capillary effect is generated, moisture can be quickly transferred to the front surface of the fabric after being absorbed by human cotton/cotton on the back surface of the fabric, and most of the back surface is polyester with poor hygroscopicity, so that the fabric can be kept dry and comfortable, and the wearing comfort of the fabric is greatly improved. Because cotton, man cotton and terylene are all very conventional fiber materials, the cost is low, and the dyeing is easy, the fabric has low cost, rich colors and excellent fastness.
Detailed Description
The technical solution of the present invention will be described in detail below for a clearer understanding of technical features, objects and advantageous effects of the present invention, but should not be construed as limiting the scope of the present invention.
Example 1 (double layer cloth+without softener)
The embodiment provides a unidirectional moisture-conducting knitted fabric, the knitting process is shown in table 1, the reverse bottom is used as the surface, the front surface of the fabric is all made of absorbent cotton, the back surface of the fabric is made of absorbent cotton and polyester mixed knitting with poor hygroscopicity, and the ratio of polyester to absorbent cotton is 11:1.
The production process flow is as follows: embryo-embryo cloth inspection-dyeing (in-cylinder softening-out), dehydration-finished product shaping (softening agent is not added, 160 ℃ for 1 min), and finished product inspection.
The specification of the finished fabric: gram weight 150g/m 2 The breadth is 160cm, the component is 39 percent terylene and 61 percent rayon.
TABLE 1
Example 2 (Small sweater+without softener)
The embodiment provides a unidirectional moisture-conducting knitted fabric, the knitting process is shown in table 2, the front surface of the fabric is all the cotton with good hygroscopicity, the back surface of the fabric is formed by mixed knitting of the cotton with good hygroscopicity and the polyester with poor hygroscopicity, and the distribution ratio of the polyester to the cotton on the back surface of the fabric is 3:1.
The production process flow is as follows: embryo weaving, embryo cloth inspection, embryo cloth shaping, dyeing (in-cylinder softening-out), dehydration, shaping of finished products (softening agent is not added, 150 ℃ for 1 min), and finished product inspection.
The specification parameters of the finished fabric are as follows: gram weight 170g/m 2 The breadth is 160cm, the components are 16 percent terylene, 6 percent spandex and 78 percent rayon. Among them, spandex has the main function of imparting excellent elasticity to fabrics, and is not greatly related to a single guide function.
TABLE 2
Example 3
The embodiment provides a unidirectional moisture-conducting knitted fabric, the knitting process is shown in table 3, the reverse bottom is used as the face, the front face of the fabric is all made of absorbent cotton, the back face of the fabric is made of absorbent cotton and polyester mixed knitting with poor hygroscopicity, and the area ratio of the polyester to the absorbent cotton is 15:1.
The production process flow is as follows: embryo-embryo cloth inspection-dyeing (in-cylinder not too soft) -dehydration-finished product shaping (ULTRATEX STS-U:15g/L,160 ℃ for 1 min) -finished product inspection.
The specification of the finished fabric: gram weight 195g/m 2 The breadth is 165cm, the component is 30% terylene and 70% man cotton.
TABLE 3 Table 3
Example 4 (double layer cloth+huntsman softener)
The weave structure, dyeing and finishing process flow and finished fabric specifications of this embodiment are the same as those of embodiment 1, except that the softening agent ULTRATEX STS-U is added in the finished product shaping: 15g/L.
Example 5 (Small sweater+huntsman softener)
The weave structure, dyeing and finishing process flow and finished fabric specifications of this example are the same as those of example 2, except that the softening agent ULTRATEX STS-U is added in the finished product shaping: 12g/L.
Comparative example 1 (double layer cloth + hydrophilic softener)
The weaving process and the production flow of the fabric of the comparative example are the same as those of the fabric of the example 1, the specification of the finished product of the fabric is the same, but the softening agent adopted in the post-shaping is a hydrophilic softening agent SiligenSIH liq (high), the dosage is 20g/L, the hydrophilicity of terylene in the finished product of the fabric is also good, the front and the back of the fabric are hydrophilic, and the difference of the water absorption performance of the front and the back of the fabric is small.
Comparative example 2 (double layer cloth + common softener)
The weaving method and the production flow of the fabric of the comparative example are the same as those of the example 1, the specification of the finished fabric is the same, but the softening agent adopted in the post-shaping is low yellowing all-round soft sheet KL-37 (the biotechnology Co., ltd. In the tin-free market), the consumption is 20g/L, the hydrophilicity of the rayon in the finished fabric is poor, the front side and the back side of the fabric are not hydrophilic, and the difference of the water absorption performance of the front side and the back side is small.
Comparative example 3 (other ravel + Huntsman softener)
The knitting process of the fabric of the comparative example is shown in table 4, and all the front and back surfaces of the fabric are polyester with poor hygroscopicity.
The production process flow is as follows: embryo-embryo cloth inspection-dyeing (in-cylinder not too soft) -dehydration-finished product shaping (ULTRATEX STS-U:15g/L,160 ℃ for 1 min) -finished product inspection.
The specification of the finished fabric: gram weight 150g/m 2 The breadth is 160cm, and the component is 100% terylene.
TABLE 4 Table 4
Comparative example 4 (other weave + hydrophilic softener)
The knitting process of the fabric of the comparative example is shown in table 5, and all the front and back surfaces of the fabric are polyester with poor hygroscopicity.
The production process flow is as follows: embryo-embryo cloth inspection-dyeing (in-cylinder not too soft) -dehydration-finished product shaping (Siligen SIH liq:15g/L,160 ℃ for 1 min) -finished product inspection.
The specification of the finished fabric: gram weight 250g/m 2 The breadth is 168cm, the component is 94% terylene and 6% spandex.
TABLE 5
Comparative example 5
The knitting process of the comparative example is shown in Table 6, the reverse bottom is used as the face, the face of the face fabric is all the cotton with good hygroscopicity, the face fabric is knitted by mixing the cotton with good hygroscopicity and the terylene with poor hygroscopicity, and the ratio of the terylene to the cotton is 2:1.
The production process flow is as follows: embryo-embryo cloth inspection-embryo cloth shaping-dyeing (in-cylinder softening-dehydration-finished product shaping (ULTRATEX STS-U:15g/L,160 ℃ for 1 min) -finished product inspection.
The specification of the finished fabric: gram weight 180g/m 2 The breadth is 160cm, the components are 19% terylene, 75% rayon and 6% spandex.
TABLE 6
Comparative example 6
The knitting process of the comparative example is shown in Table 7, the reverse bottom is used as the face, the face of the face fabric is all the cotton with good hygroscopicity, the face fabric is knitted by mixing the cotton with good hygroscopicity and the terylene with poor hygroscopicity, and the ratio of the terylene to the cotton is 19:1.
The production process flow is as follows: embryo-embryo cloth inspection-dyeing (in-cylinder not too soft) -dehydration-finished product shaping (ULTRATEX STS-U:15g/L,160 ℃ for 1 min) -finished product inspection.
The specification of the finished fabric: gram weight 190g/m 2 The breadth is 165cm, the component is 33% terylene and 67% man cotton.
TABLE 7
The finished unidirectional moisture-conducting fabric was tested for penetration surface wet-out time, penetration surface water absorption rate, unidirectional transmission index, OMMC (overall moisture management capacity) and the like before and after 10 washes according to AATCC 195, and the test results are shown in table 8.
The fabric of the invention emphasizes the unidirectional conductivity, and moisture can be quickly transferred from the skin-facing surface to the front surface, so that the characteristics of the fabric can be more emphasized when tested by using the AATCC 195 or GB/T21655.2 method.
TABLE 8
Note that: 1) The permeable surface is the front surface of the unidirectional moisture-conducting fabric;
2) Infiltration time: the time required from the liquid contacting the fabric surface to the time the fabric begins to absorb moisture. Expressed as the time when the slope of the first occurrence on the plot of moisture content versus time is greater than or equal to tan15 deg..
3) Water absorption rate: the rate of increase of the moisture content per unit time of the fabric is the average value of the slope of the moisture content change curve over the test time.
4) Unidirectional transmission index: the ability of liquid water to pass from the fabric's absorbent cotton to the permeate side is expressed as the ratio of the difference in water absorption across the fabric to the test time.
As can be seen from the data in Table 8, compared with the conventional fabric, the unidirectional moisture-conducting fabric produced by the method has excellent unidirectional transmission and moisture management properties, and the reverse surface of the fabric can be quickly transmitted to the front surface of the fabric and quickly dried after absorbing water, so that the reverse surface of the fabric is kept dry and comfortable, and the wearing comfort of clothes is improved. The unidirectional transfer index before washing in comparative examples 1 and 2 is below grade 3, and after 10 times of washing, a part of softening agent is washed off, so that the hydrophilic and hydrophobic properties of a part of material are reflected, the difference of the hydrophilicity of the front side and the back side of the fabric is better than that before washing, and the unidirectional transfer index is higher than that before washing. In contrast, in comparative examples 3 and 4, since the front and back materials were the same, the front and back moisture absorption was not greatly different before and after washing, and therefore the one-way transfer index grade was low after washing. The fabric of the comparative example 5 has the advantages that the ratio of the hydrophobic points to the hydrophilic points on the back surface is 2:1, the hydrophilic points on the back surface are too many, and the hydrophilic difference of the front surface and the back surface is small, so that the unidirectional index level of the fabric is low. The fabric of comparative example 6 has a ratio of 19:1 of hydrophobic points to hydrophilic points on the back side, too many hydrophobic points on the back side, and slow water absorption, and cannot quickly conduct water to the front side of the fabric, so that the unidirectional transmission index level is low.
According to the case, the proportion of the hydrophilic material and the hydrophobic material on the back surface is critical to the performance of the unidirectional moisture-conducting fabric, so that the hydrophilic material on the back surface can quickly absorb sweat to the front surface of the fabric to evaporate when a human body sweats, the sweat is prevented from adhering to the skin surface, the dryness of the skin is kept, and the skin-adhering surface is made of a hydrophobic fiber material, so that the dryness of the fabric is kept, and the wearing comfort is improved.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments described herein, and those skilled in the art, based on the present disclosure, should make improvements and modifications within the scope of the present invention.
Claims (4)
1. The unidirectional moisture-conducting knitted fabric is characterized by comprising a first fabric layer and a second fabric layer;
the first fabric layer is woven by hydrophilic fiber materials;
the second fabric layer is formed by mixed weaving of hydrophilic fiber materials and hydrophobic fiber materials;
the hydrophilic fiber material is rayon;
the hydrophobic fiber material is non-differentiated terylene;
the hydrophilic fiber material and the hydrophobic fiber material in the second fabric layer are arranged in proportion, and the ratio of the area ratio of the hydrophobic fiber material to the area ratio of the hydrophilic fiber material is 15:1;
the ULTRATEX STS-U of the polyether modified silicon emulsion Huntsman is added in the shaping process of the finished product, and the dosage is 8-40g/L.
2. The unidirectional moisture-conductive knitted fabric of claim 1, wherein,
the unidirectional moisture-conducting knitted fabric is woven by adopting a bottom surface double-layer structure weaving method, so that all first fabric layers of the fabric are made of hydrophilic fiber materials, and all second fabric layers are made of hydrophilic fiber materials and hydrophobic fiber materials.
3. A unidirectional moisture-conductive knitted fabric as claimed in claim 2, wherein,
the bottom surface double-layer structure weaving method is a double-layer structure weaving process or a single-side sanitary clothing structure weaving process.
4. A method for preparing a unidirectional moisture-conductive knitted fabric according to any one of claims 1 to 3, characterized in that,
the method comprises the following process steps: embryo weaving, embryo cloth inspection, dyeing, dehydration and finished product shaping.
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| CN202210690062.4A CN114990767B (en) | 2022-06-17 | 2022-06-17 | Unidirectional moisture-conducting knitted fabric and preparation method thereof |
| US18/336,559 US20230407536A1 (en) | 2022-06-17 | 2023-06-16 | Unidirectional moisture conducting knitted fabric and related clothing items, manufacturing methods and manufacturing systems |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668732A (en) * | 2013-11-01 | 2014-03-26 | 广州纺织服装研究院有限公司 | One-way moisture conduction fast-drying cotton/polyester composite knitted fabric |
| CN103696110A (en) * | 2013-11-01 | 2014-04-02 | 广州纺织服装研究院有限公司 | One-way wet-guiding and absorbing and quick-drying type cotton/nylon composite knitting fabric |
| CN106835463A (en) * | 2017-03-23 | 2017-06-13 | 宁波大千纺织品有限公司 | One kind is reversely led wet ice and is relaxed dry and comfortable sportswear fabric and preparation method thereof |
| CN109972275A (en) * | 2019-04-01 | 2019-07-05 | 广东溢达纺织有限公司 | With one-way wet-guide, two-sided anisotropic, the knitting fabric of hydroscopic fast-drying function and preparation method |
-
2022
- 2022-06-17 CN CN202210690062.4A patent/CN114990767B/en active Active
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- 2023-06-16 US US18/336,559 patent/US20230407536A1/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668732A (en) * | 2013-11-01 | 2014-03-26 | 广州纺织服装研究院有限公司 | One-way moisture conduction fast-drying cotton/polyester composite knitted fabric |
| CN103696110A (en) * | 2013-11-01 | 2014-04-02 | 广州纺织服装研究院有限公司 | One-way wet-guiding and absorbing and quick-drying type cotton/nylon composite knitting fabric |
| CN106835463A (en) * | 2017-03-23 | 2017-06-13 | 宁波大千纺织品有限公司 | One kind is reversely led wet ice and is relaxed dry and comfortable sportswear fabric and preparation method thereof |
| CN109972275A (en) * | 2019-04-01 | 2019-07-05 | 广东溢达纺织有限公司 | With one-way wet-guide, two-sided anisotropic, the knitting fabric of hydroscopic fast-drying function and preparation method |
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| US20230407536A1 (en) | 2023-12-21 |
| CN114990767A (en) | 2022-09-02 |
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