Flat elastic anti-curling warp-knitted staple fiber fabric

Abstract

The utility model discloses a flat elastic anti-curl warp knitting staple fiber fabric which comprises a fabric body, the fabric body is formed by weaving at least two kinds of yarn including elastic yarn and non-elastic staple fiber yarn, the fineness of the staple fiber yarn ranges from 50 denier to 180 denier, and the elastic yarn and the non-elastic staple fiber yarn are arranged on the fabric body. The elastic yarn is woven in the fabric body to form an open loop, the open loop has no cross point at the base part of the extension line, the short fiber yarn and the elastic yarn are all or partially arranged in the same direction during weaving, and a flat elastic layer is formed on the fabric body; a Fabric Touch Tester hand feeling tester is adopted for testing, and the SDLATlas standard is obtained, wherein the surface roughness amplitude (SRA) of the front face and the back face is smaller than or equal to 40 micrometers; the warp-knitted short fiber fabric has the advantages of being free of edge curling, smooth and elastic, and the quality is improved.

Description

Technical Field

[0001] The utility model relates to the field of textile clothing fabrics, in particular to a flat, elastic and anti-curling warp-knitted staple fabric. Background Art

[0002] The ready-made fabrics have the advantages of no curling, no loosening, no rough edges, etc., and can be defined as arbitrary cut fabrics in knitted fabrics. Arbitrary cut fabrics have the advantages of free cutting direction and shape, no need for hemming, and maximum utilization of fabrics without waste in terms of fabric cutting, sewing, and fabric loss, making the fabrics comfortable to wear. However, polyester fabrics have poor dyeing performance and poor hygroscopicity; nylon fabrics are prone to static electricity and poor water absorption; short-fiber fabrics are soft, skin-friendly, have good hygroscopicity, and are warm and breathable, which has become an increasing market demand. However, due to the unstable strength of short fibers, short spinning length, and large twist, short-fiber yarns have become a difficulty in warp knitting. In order to meet people's needs well, this patent selects yarns, matches short-fiber yarns with elastic yarns, adjusts the weaving process, and the post-finishing process. On the basis of ensuring that the fabric is flat, the luster is soft, and the hand feel is soft, the fabric has the advantages of no curling, no loosening, high elasticity, good hygroscopicity, antistatic, and good breathability.

[0003] CN110042551A invented a fabric that is not easy to curl and can be cut at will, including using each first yarn to alternately pad yarns every other needle to form a surface warp velvet structure, and each second yarn is knitted into a loop on two adjacent knitting needles at the same time to form a ground warp flat structure, and the surface and ground fabrics are combined to form the fabric body, so that the fabric can produce curling and unraveling during the cutting process. However, the fabric surface extension line is long, which makes the fabric surface easy to have terry loops and reverse hair, easy to snag, and the fabric weight is easy to be heavy, not breathable, and the spandex content is too high. The fabric price is too high and is not conducive to market circulation.

[0004] CN212404414U discloses a warp knitted fabric with large opening and high recovery, including a warp flat structure with at least two yarns in the same direction and the same needle distance, and adopts an empty threading method to form a large opening, high recovery, soft hand feeling and arbitrary warp cutting. However, this patent is easy to cause poor fabric quality such as roughness, unevenness, blurred texture, etc. on the yarn fabric with large twist and long hairiness, and cannot improve the appearance and wearing performance of the fabric. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a flat, elastic and anti-curling warp-knitted staple fabric.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A flat, elastic, and anti-curling warp-knitted staple fabric comprises a fabric body, wherein the fabric body is woven with at least two kinds of yarns including elastic yarn and inelastic staple yarn, the fineness of the staple yarn is between 50 and 180 deniers, the elastic yarn is woven in the fabric body to form an open coil, the open coil has no intersection at the base of the extension line, and a flat elastic layer is formed on the fabric body, and the staple yarn and the elastic yarn are all or partially arranged in the same direction during weaving; the surface roughness amplitude SRA of the front and back sides of the fabric body is ≤40um.

[0008] The spun yarn is any one or more combinations of cotton, regenerated cellulose fiber, acrylic fiber and PET; the elastic yarn is spandex, PTT or core-spun yarn; the fineness of the spun yarn is preferably between 60-135 deniers.

[0009] The elastic yarn is woven in a fully open warp plain weave structure.

[0010] The staple yarn is woven in an open warp satin weave and in a motion mode of inlay yarn number 1-0 / 1-2 / 2-3 / 2-1 / / , and the elastic yarn is woven in a two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / .

[0011] The staple yarn adopts a closed warp satin weave and is woven in a motion mode of a padding number of 0-1 / 2-1 / 3-2 / 1-2 / / , and the elastic yarn adopts a two-needle open warp plain weave and is woven in a motion mode of a padding number of 0-1 / 2-1 / / .

[0012] The staple yarn is knitted in a fully open warp satin weave with a yarn pad number of 0-1 / 1-2 / 3-2 / 2-1 / / , and the elastic yarn is knitted in a two-needle open warp plain weave with a yarn pad number of 0-1 / 2-1 / / .

[0013] The staple yarn is knitted in a two-needle closed warp plain weave and in a motion mode of inlay yarn number 1-0 / 1-2 / / , and the elastic yarn is knitted in a two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / .

[0014] The staple yarn is knitted in a two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / , and the elastic yarn is knitted in a two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / .

[0015] The staple yarn is knitted in a three-needle closed warp plain weave and in a motion mode of inlay yarn number 1-0 / 2-3 / / , and the elastic yarn is knitted in a two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / .

[0016] The staple yarn is knitted in a three-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 3-2 / / , and the elastic yarn is knitted in a two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / .

[0017] Compared with the prior art, the utility model has the following beneficial technical effects:

[0018] The elastic yarn is used to weave the open coils. The non-elastic yarn and the elastic yarn are arranged in the same direction in all or some parts during weaving. When the fabric is stretched in the warp direction, the elastic yarn returns to the same direction as the non-elastic yarn and can quickly return to its original state. Therefore, the stretching does not cause the edges to curl or the curling angle is very small. The open coils of the elastic yarn do not intersect at the base of the coil extension line and do not form intersections, making the open coils smoother and forming a smooth elastic layer of the fabric. The fabric as a whole has the characteristics of no curling, flatness, elasticity, and cotton feel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of an embodiment 1 of an open coil in the utility model;

[0020] Figure 2 This is a schematic diagram of the second embodiment of the open coil in the utility model;

[0021] Figure 3 This is a schematic diagram of a first embodiment of a closed coil in the utility model;

[0022] Figure 4 This is a schematic diagram of a second embodiment of a closed coil in the utility model;

[0023] Figure 5 This is an organizational structure diagram of the first embodiment of the present utility model;

[0024] Figure 6 This is the organizational structure diagram of the second embodiment of the present utility model;

[0025] Figure 7 This is the organizational structure diagram of the third embodiment of the present utility model;

[0026] Figure 8 This is the organizational structure diagram of the fourth embodiment of the present utility model;

[0027] Fig. 9 This is the organizational structure diagram of Embodiment 5 of the present utility model;

[0028] Fig.10 This is the organizational structure diagram of the sixth embodiment of the present utility model;

[0029] Fig.11 This is the organizational structure diagram of the seventh embodiment of the present utility model. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0031] In the description of the present utility model, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like are involved, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0032] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0033] Embodiment 1

[0034] like Figure 1-4As shown, a flat, elastic and anti-curling warp-knitted staple fabric comprises a fabric body, wherein the fabric body is woven with at least two kinds of yarns including elastic yarn and inelastic staple yarn, the fineness of the staple yarn is between 50-180 denier, the elastic yarn is woven in the fabric body with an open warp plain structure to form an open coil, the open coil has no intersection at the base of the extension line, and a flat elastic layer is formed on the fabric body, and the staple yarn and the elastic yarn are all or partially arranged in the same direction during weaving; tested with a Fabric Touch Tester, the SDL Atlas standard is obtained: the surface roughness amplitude SRA of the front and back surfaces is ≤40um.

[0035] The elastic yarn has a fully open structure, while the staple yarn has either a fully open structure or a partially open and partially closed structure, or the staple yarn has a fully closed structure.

[0036] Through the mutual cooperation of elastic yarn and inelastic staple yarn, the staple yarn and elastic yarn are fully or partially arranged in the same direction during weaving. When the fabric is stretched in the warp direction, the elastic yarn returns to the same direction as the inelastic yarn and can quickly return to its original state. Therefore, the hem does not curl or the curling angle is very small after stretching, thereby achieving the effect of no curling or very small curling.

[0037] For flatness, elastic yarn is mainly used to weave open coils, and the open coils are formed by having no intersections at the base of the extension line. Due to the existence of twist, the staple yarn has high rigidity and hard feel. When the coil is formed, the twist is unstable and tries to untwist, causing the coil to be skewed, resulting in an uneven surface of the fabric. When the elastic yarn is placed in front of the needle and the back of the needle moves horizontally to form an open coil, compared with the closed coil, the open coil does not intersect at the base of the coil extension line, and no intersection is formed, so the open coil is flatter. In the process of interweaving staple yarn and elastic yarn, the contraction of the elastic yarn will further cause the staple yarn to arch, resulting in uneven surface and bottom of the fabric. The open coil structure will not have a large force to shrink the coil into a point like the closed coil structure, and will have less impact on the staple yarn coil. Therefore, the better the flatness of the elastic yarn structure, the smaller the impact of the elastic yarn contraction on the staple yarn, and the better the flatness of the fabric surface.

[0038] The spun yarn can be selected from any one or more combinations of cotton, regenerated cellulose fiber, acrylic fiber and PET; the elastic yarn can be selected from spandex, PTT or core-spun yarn; the fineness of the spun yarn is preferably between 60-135 deniers.

[0039] There can be different combinations of specific weaving methods for staple yarns and elastic yarns.

[0040] Embodiment 2

[0041] Main references Figure 5-11 As shown, the main reference Figure 6 As shown, the staple yarn is knitted with an open warp satin weave and a lapping number of 1-0 / 1-2 / 2-3 / 2-1 / / , while the elastic yarn is knitted with a two-needle open warp plain weave and a lapping number of 0-1 / 2-1 / / .

[0042] Or, the main reference Figure 7 As shown, the staple yarn adopts a closed warp satin weave and is woven in a motion mode with a padding number of 0-1 / 2-1 / 3-2 / 1-2 / / , and the elastic yarn adopts a two-needle open warp plain weave and is woven in a motion mode with a padding number of 0-1 / 2-1 / / .

[0043] Or, the main reference Figure 8 As shown, the staple yarn is knitted in a fully open warp satin weave with a yarn inlay count of 0-1 / 1-2 / 3-2 / 2-1 / / , and the elastic yarn is knitted in a two-needle open warp plain weave with a yarn inlay count of 0-1 / 2-1 / / .

[0044] Or, the main reference Figure 5 As shown, the staple yarn is knitted with two-needle closed warp plain weave and in a motion mode of inlay yarn number 1-0 / 1-2 / / , and the elastic yarn is knitted with two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / .

[0045] Or, the main reference Fig. 9 As shown, the staple yarn is knitted with a two-needle open warp plain weave and a motion pattern of a lapping number of 0-1 / 2-1 / / , and the elastic yarn is knitted with a two-needle open warp plain weave and a motion pattern of a lapping number of 0-1 / 2-1 / / .

[0046] Or, the main reference Fig.10 As shown, the staple yarn is knitted with a three-needle closed warp plain weave and a motion pattern of a padding number of 1-0 / 2-3 / / , and the elastic yarn is knitted with a two-needle open warp plain weave and a motion pattern of a padding number of 0-1 / 2-1 / / .

[0047] Or, the main reference Fig.11 As shown, the staple yarn is knitted with a three-needle open warp plain weave and a motion pattern of a padding number of 0-1 / 3-2 / / , and the elastic yarn is knitted with a two-needle open warp plain weave and a motion pattern of a padding number of 0-1 / 2-1 / / .

[0048] The following is an explanation using a production example.

[0049] 1. Warping of yarn used for warp knitting:

[0050] 1) Warping of short-staple blended yarn

[0051] Warping machine model: Karl Mayer DSDS21 / 30DNC, negative yarn feeding.

[0052] Warping temperature: 23°C, Warping humidity: 65%

[0053] The workshop sets the process parameters under the above temperature and humidity conditions.

[0054] 2) Warping of spandex

[0055] Warping machine model: Karl Mayer DSE21 / 21EC, positive yarn feeding.

[0056] Warping temperature: 23°C, Warping humidity: 65%

[0057] The workshop sets the process parameters under the above temperature and humidity conditions.

[0058] 2. Weaving

[0059] Weaving machine model: Karl Mayer HKS4-1EL tricot machine

[0060] Machine number: E32

[0061] Number of combs: 3 bars

[0062] Yarn threading method: short fiber blended yarn, elastic yarn full threading

[0063] Raw materials: This fabric uses two different types of yarns, the short fiber blended yarn is preferably 87.3 denier; the elastic yarn is spandex yarn, preferably 30 denier;

[0064] Weaving process: In order to prevent the staple blended yarn from being skeined due to excessive twist, which increases the difficulty of weaving, the staple blended yarn is separated into two combs, and is woven with a two-needle closed warp plain weave and a yarn padding number of 1-0 / 1-2 / / . The elastic yarn is woven with a two-needle open warp plain weave in the same direction and a yarn padding number of 0-1 / 2-1 / / .

[0065] 3. Post-processing

[0066] Washing--Pre-dyeing--Overflow dyeing--Dehydration--Setting and drying--Post-dyeing

[0067] 4. Fabric style

[0068] Width: 195cm

[0069] Weight: 180gsm

[0070] Ingredients: 60% Acrylic 26% Modal 14% Elastane

[0071] 5. Fabric characteristics and advantages

[0072] 1) No curling and elasticity in the warp direction: After gently stretching the fabric along the warp direction with your hand, there is basically no curling. Tensile test, M&SP15A 1.5kgf, warp opening 45%, weft opening 105%.

[0073] 2) Surface smoothness: Tested with Fabric Touch Tester, the SDLAtlas standard is obtained: the surface roughness amplitude SRA for evaluating smoothness is ≤40um. The SRA (surface roughness amplitude) measures the average difference between the peak value and the trough value of the roughness wave. The larger the value, the bumpier the vertical direction, and the more uneven the fabric.

[0074] Comparative example: the staple yarn is woven with two-needle closed warp plain weave and the yarn padding number is 1-0 / 1-2 / / , and the elastic yarn is woven with two-needle closed warp plain weave in the same direction and the yarn padding number is 1-0 / 1-2 / / ; except for the different structures, other production elements, processes (weaving process and dyeing post-finishing process), steps, etc. are the same, and a specific FTT test data comparison table is obtained. (See the table for specific FTT test data)

[0075]

[0076]

[0077] It should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flat, elastic and curl-proof warp-knitted staple fabric, comprising a fabric body, characterized in that: The fabric body is woven with at least two kinds of yarns including elastic yarn and inelastic staple yarn, the fineness of the staple yarn is between 50-180 denier, the elastic yarn is woven in the fabric body to form open coils, the open coils have no intersections at the base of the extension line, and a flat elastic layer is formed on the fabric body, and the staple yarn and the elastic yarn are fully or partially arranged in the same direction during weaving; the surface roughness amplitude SRA of the front and back sides of the fabric body is ≤40um.

2. The flat elastic anti-curling warp-knitted staple fabric according to claim 1, characterized in that: The spun yarn is any one of cotton, regenerated cellulose fiber, acrylic fiber and PET; the elastic yarn is spandex, PTT or core-spun yarn; the fineness of the spun yarn is between 60 and 135 deniers.

3. The flat elastic anti-curling warp knitted staple fabric according to claim 1, characterized in that: The elastic yarn is woven in a fully open warp plain weave structure.

4. The flat elastic anti-curling warp knitted staple fabric according to any one of claims 1 to 3, characterized in that: The staple yarn is woven in an open warp satin weave and in a motion mode of inlay yarn number 1-0 / 1-2 / 2-3 / 2-1 / / , and the elastic yarn is woven in a two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / .

5. The flat elastic anti-curling warp knitted staple fabric according to any one of claims 1 to 3, characterized in that: The staple yarn adopts a closed warp satin weave and is woven in a motion mode of a padding number of 0-1 / 2-1 / 3-2 / 1-2 / / , and the elastic yarn adopts a two-needle open warp plain weave and is woven in a motion mode of a padding number of 0-1 / 2-1 / / .

6. The flat elastic anti-curling warp knitted staple fabric according to any one of claims 1 to 3, characterized in that: The staple yarn is knitted in a fully open warp satin weave with a yarn pad number of 0-1 / 1-2 / 3-2 / 2-1 / / , and the elastic yarn is knitted in a two-needle open warp plain weave with a yarn pad number of 0-1 / 2-1 / / .

7. The flat elastic anti-curling warp knitted staple fabric according to any one of claims 1 to 3, characterized in that: The staple yarn is knitted in a two-needle closed warp plain weave and in a motion mode of inlay yarn number 1-0 / 1-2 / / , and the elastic yarn is knitted in a two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / .

8. The flat elastic anti-curling warp knitted staple fabric according to any one of claims 1 to 3, characterized in that: The staple yarn is knitted in a two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / , and the elastic yarn is knitted in a two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / .

9. The flat elastic anti-curling warp knitted staple fabric according to any one of claims 1 to 3, characterized in that: The staple yarn is knitted in a three-needle closed warp plain weave and in a motion mode of inlay yarn number 1-0 / 2-3 / / , and the elastic yarn is knitted in a two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / .

10. The flat elastic anti-curling warp knitted staple fabric according to any one of claims 1 to 3, characterized in that: The staple yarn is knitted in a three-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 3-2 / / , and the elastic yarn is knitted in a two-needle open warp plain weave and in a motion mode of inlay yarn number 0-1 / 2-1 / / .

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