WO2023136107A1

WO2023136107A1 - Anti-fraying fabric

Info

Publication number: WO2023136107A1
Application number: PCT/JP2022/047791
Authority: WO
Inventors: 慎一千田; 秀敏永松
Original assignee: 古市株式会社
Priority date: 2021-12-27
Filing date: 2022-12-23
Publication date: 2023-07-20
Also published as: KR20240004526A; CN117280088A

Abstract

[Problem] To provide an anti-fraying fabric that has a uniform and simple configuration as a result of the threads forming the fabric satisfying prescribed conditions, and that can be used for clothing material or the like, in which cut parts are not processed and left in a rough-cut state. [Solution] An anti-fraying fabric 10 is a plain weave fabric and comprises a composite yarn in which warp threads 11 and weft threads 12 include fusible elastic fibers and a non-fusible fibers, and since the ratio (Fm/Fn) of the fineness Fm of the fusible elastic fibers and the fineness Fn of the non-fusible fibers is at least 0.6, the proportion of fusible fibers is maintained at or above certain level. When the anti-fraying fabric 10 is heat treated, the warp threads 11 and the weft threads 12 adequately fuse to each other at intersection points, thereby adhering evenly over the entire surface. As a result, even if the anti-fraying fabric 10 is cut in a certain area, the warp threads 11 and the weft threads 12 adhere at the edges of the cut area, and thus, after cutting, the edges do not fray even when washed or the like.

Description

Anti-fray fabric

TECHNICAL FIELD The present invention relates to a woven fabric that is used as a cloth for clothes that are tailored through the processes of cutting and sewing, and in particular, it is possible to prevent fraying at edges (cut edges) formed by cutting in the cutting process. It relates to an anti-fray fabric.

　In the production of clothes, fabrics are generally cut and sewn. Edges formed by cutting the fabric need to be prevented from fraying (unraveling), and in fabrics made of conventional woven and knitted fabrics, fraying prevention treatment is performed by applying sewing etc. to the edges. was However, since such a preventive treatment significantly lowers the manufacturing efficiency of clothes, there has been a demand for a fabric material that does not easily fray at the edges even when cut and uncut.

Among the woven and knitted fabrics used for clothing fabrics, for knitted fabrics, techniques such as devising the knitting method have been used to develop knitted fabrics that do not easily fray at the edges even when they are left uncut ( For example, see Patent Document 1). According to Patent Document 1, inelastic fibers and elastic fibers are used as fibers constituting a knitted fabric, and by optimizing the fineness of these two types of fibers and the yarn feeding speed during knitting of the knitted fabric, cutting is performed. When this knitted fabric is used for a textile product that is used in a cut portion without treatment, fraying of the edges is less likely to occur even after repeated wearing and washing.

For such knitted fabrics, various techniques have been developed to prevent fraying of cut edges so that even woven fabrics can be used for clothing fabrics without treating the cut points. For example, in Patent Document 2, at least one row of cut regions extending along the longitudinal direction of a base fabric composed of ground wefts and ground warps and serving as ears of cut pieces after being cut is formed. A selvage anti-fray fabric is disclosed. Further, Patent Document 3 discloses a textile product which is a woven fabric composed of polyurethane fibers and other synthetic fibers and which is treated to prevent fraying.

In addition, Patent Document 4 discloses that by heat-treating heat-sealable elastic fibers such as polyurethane fibers, misalignment, fraying, run, curling, etc. are difficult to occur, and fraying prevention that can be used as a product even if it is cut off. A functional narrow tape is disclosed. Furthermore, in Patent Document 5, a core yarn substantially made of polyurethane fiber and stretched at an elongation ratio within a predetermined range, a splint yarn aligned with the core yarn, and a predetermined range around these Disclosed is a heat-fusible composite yarn having improved weaving and knitting properties by forming a composite yarn with a sheath yarn wound with a twist number within the range. By weaving and heat-sealing the composite yarn, it is possible to obtain a woven fabric with excellent dimensional stability and fraying resistance.

JP 2019-210572 A Japanese Unexamined Patent Application Publication No. 2010-189810 JP 2021-038497 A JP 2008-190104 A JP 2014-205927 A

However, the fabric that prevents fraying of the ears described in Patent Document 2 can prevent fraying of the edges when cut in a cutting area provided in a part of the base fabric, but when cut in other places cannot obtain the effect of preventing fraying. Moreover, this cutting region is formed of a leno weave structure inserted in the warp direction so that leno yarns having a predetermined melting point in the thickness direction of the base fabric, ground warp yarns, and ground weft yarns intersect in this order. is complex and expensive to manufacture. In addition, since such a leno weave structure is hard and has a poor texture, it is not suitable for use as a clothing material itself.

In addition, the textile product described in Patent Document 3 is applied to fabrics using polyurethane fibers and other synthetic fibers, and is subjected to adhesive sewing, ultrasonic fusion cutting, piping treatment of cut edges, and wrapping using sealing tape. It is obtained by performing anti-fraying treatment such as embedding treatment. That is, it is nothing more than a conventional fabric subjected to a known fraying treatment, and the fabric itself does not have any anti-fraying properties. In addition, the narrow tape described in Patent Document 4 can be a member that can maintain elasticity and have an anti-fraying function as a member that constitutes clothing, etc. However, it is difficult to use it as a fabric that constitutes the entire clothing. be.

Furthermore, in the heat-fusible conjugate yarn described in Patent Document 5, handling and weaving properties are improved by stretching the polyurethane fiber core yarn at an elongation ratio within a predetermined range to suppress expansion and contraction of the conjugate yarn during weaving. are improving. However, the heat-fusible composite yarn disclosed in Patent Document 5 is mainly aimed at improving weaving properties and dimensional stability, and the fabric to be woven is not examined in detail. In other words, sufficient knowledge has not been obtained about the structure of the fabric suitable for obtaining the effect of preventing fraying, the fineness of the core yarn and the sheath yarn, the ratio thereof, and the like. As a result, there is a problem that the effect of preventing fraying of the cut edges cannot be reliably obtained over the entire surface of the fabric.

Under these circumstances, it is possible to solve the various problems in these prior arts, to have the function of preventing fraying of the cut edge of the entire woven fabric, and to use it for the fabric of clothes without treating the cut part. There has been a strong demand for realization of a woven fabric that can be manufactured easily and at a low cost.

The present invention has been made in view of these problems, and by using yarns satisfying specific conditions for the composition of the fabric and the yarns forming the fabric, the entire fabric has a uniform and simple structure. To provide a fray-preventing woven fabric which can be used as a fabric for clothes or the like without treating the cut portion.

In order to achieve the above object, the anti-fraying fabric according to the invention of the present application includes:
A fabric capable of preventing fraying of cut edges, comprising:
The weave structure is plain weave,
The warp and weft of the fabric are composed of composite yarns containing fusible stretchable fibers and non-fusible fibers,
The CS value (Fm/Fn), which indicates the ratio between the fineness (Fm) of the fusible stretchable fibers and the fineness (Fn) of the non-fusible fibers, is 0.6 or more.

It is preferable that the longitudinal density is 103 or more and the latitudinal density is 94 or more.

It is preferable that the warp yarn and the weft yarn have the same structure and are composite yarns formed of the same fusible stretchable fibers and non-fusible fibers.

It is preferable that both the warp and the weft of the composite yarn are made of air-blended yarn.

The composite yarn is a core-sheath type composite yarn, the core yarn of the core-sheath type composite yarn is made of the fusible stretchable fiber, and the sheath yarn of the core-sheath type composite yarn is made of the non-fusible fiber. is preferred.

The number of twists of the sheath yarn with respect to the core yarn in the core-sheath type composite yarn is preferably 350 T/M or more.

The anti-fraying woven fabric according to the present invention has a plain weave structure, and uses composite yarns containing fusible stretchable fibers and non-fusible fibers and satisfying specific conditions as the warp and weft yarns forming the woven structure. there is As a result, it is possible to provide an anti-fraying woven fabric which has a uniform and simple structure as a whole and can be used as a cloth for clothes without treating the cut portion.

FIG. 2 is a schematic plan view showing an enlarged part of the anti-fraying woven fabric according to the present embodiment.

Hereinafter, an embodiment for implementing the fraying prevention fabric according to the present invention (in this specification, simply referred to as "this embodiment") will be described in detail with reference to the drawings.

The fraying prevention fabric according to the present embodiment is a fabric that prevents fraying at cut edges (cut edges) formed by cutting. That is, even if the cut edges are not sewn or sewn after cutting, the cut edges will not fray even if the fabric is used and washed many times.

FIG. 1 is a schematic plan view showing an enlarged part of the anti-fraying fabric according to the present embodiment. As shown in FIG. 1, the anti-fraying fabric 10 according to the present embodiment is a plain fabric having the most basic and uniform structure, in which the warp 11 and the weft 12 are woven in a plain weave. In the prior art, it was not possible to obtain a woven fabric free from fraying at cut edges simply by using yarns containing fusible fibers in plain weave fabrics. Therefore, attempts have been made to impart anti-fraying properties by using more complex weaves such as twill weave, satin weave, double weave, and pile weave.

On the other hand, as a result of extensive research, the inventors of the present invention have found that by limiting the materials and configurations of the warp yarns 11 and the weft yarns 12, it is possible to obtain a plain weave fabric that does not fray at the cut edges. The present invention has been completed. That is, in the fraying prevention fabric 10 according to the present embodiment, the warp yarns 11 and the weft yarns 12 are made of composite yarns containing fusible fibers and non-fusible fibers, and the fineness Fm of the fusible fibers and the non-fusible fiber The CS value is 0.6 or more when the ratio (Fm/Fn) to the fineness Fn of the elastic fiber is defined as "CS value".

By setting the CS value (Fm/Fn) to 0.6 or more, the ratio of fusible fibers contained in the composite yarns forming the warp yarns 11 and the weft yarns 12 is maintained at a certain level or higher. Therefore, when heat treatment such as heat setting is applied to the anti-fraying fabric 10, sufficient fusion occurs due to the fusible fibers, and the composite yarns are reliably fused together. The warp yarns 11 and the weft yarns 12 are evenly adhered to each other at their intersections over the entire surface of the anti-fraying fabric 10 . As a result, no matter where the anti-fraying fabric 10 is cut, the warp 11 and the weft 12 are in close contact with each other at the edge, so that fraying does not occur even if a process such as washing is performed after cutting. is obtained. In this way, the anti-fraying fabric 10 makes use of the simple structure of the plain weave fabric shown in FIG. 1, and can easily obtain a uniform anti-fraying property over the entire surface, which was difficult with complex weaves. .

A composite yarn containing a fusible fiber and a non-fusible fiber is a yarn in which these two types of fibers are combined in parallel, a core-sheath type yarn in which the circumference of one fiber is covered with the other fiber, A composite yarn having any structure may be used, such as an air-entangled yarn in which one fiber is sprayed with the other fiber, or a plied yarn in which two types of fibers are twisted together. Furthermore, as the core-sheath type conjugate yarn, it is possible to use a covering yarn obtained by winding a sheath yarn around a core yarn, a conjugate fiber obtained by concentrically extruding and spinning two types of fiber material polymers, and the like. can. The composite yarn according to the present embodiment is preferably a sheath-core yarn or an air-entangled yarn.

Various fibers can be used for the fusible fibers and non-fusible fibers contained in the composite yarn according to the present embodiment. As the fusible fibers, fibers made of a polyester resin having thermal fusibility, particularly low-melting-point polyester fibers, low-melting-point nylon fibers, stretchable polyurethane fibers, and the like can be used. Polyurethane fibers are preferably used as the fusible fibers according to the present embodiment. Polyurethane fibers can be produced by a known method, and commercially available products include Mobilon (registered trademark) manufactured by Nisshinbo Textile Co., Ltd. and Roica (registered trademark) manufactured by Asahi Kasei Corporation.

On the other hand, unlike fusible fibers, non-fusible fibers are not limited to synthetic fibers. As non-fusing fibers, chemical fibers such as regenerated fibers, semi-synthetic fibers, synthetic fibers, and inorganic fibers can be used. Regenerated fibers include rayon, cupra, lyocell, and polynosic, and semi-regenerated fibers include acetate and Promix. Synthetic fibers include many types of fibers including polyamide fibers such as nylon, polyester fibers, acrylic fibers, and polypropylene fibers. Examples of inorganic fibers include metal fibers such as glass fibers, fluorine fibers, carbon fibers, and stainless steel fibers.

In addition to chemical fibers, natural fibers such as plant fibers, animal fibers, and mineral fibers can also be used. Vegetable fibers include cotton, hemp, flax and kenaf, and animal fibers include wool, cashmere, feathers and silk. Among these fibers, synthetic fibers are preferable as the non-fusing fibers constituting the composite yarn according to the present embodiment from the viewpoints of durability, versatility, and cost.

Synthetic fibers used as non-fusion fibers are not particularly limited, but polyester fibers made of aromatic polyester resins such as polyethylene terephthalate, aliphatic polyester resins such as polylactic acid, nylon 6, nylon 6,6, Examples include polyamide fibers such as bionylon, polyolefin fibers such as polypropylene and polyethylene, acrylic fibers, polyvinyl alcohol fibers, and polyvinyl chloride fibers.

Among these synthetic fibers, polyester fibers such as polyethylene terephthalate, polyamide fibers such as nylon 6, and polypropylene fibers are preferable in terms of versatility and durability. Polyamide-based fibers and polyester-based fibers are particularly preferred from the viewpoint of strength, durability, workability, and cost. The cross-sectional shape of the synthetic fiber is not particularly limited, and it may be a normal synthetic fiber having a round cross section, or a synthetic fiber having an irregular cross section other than a round cross section. The cross-sectional shape of the modified cross-section fiber includes square, polygonal, triangular, hollow, flat, multilobed, dog-bone, T-shaped, V-shaped, and the like.

In addition, from the perspective of reducing the environmental burden, recycled fibers made by reusing PET bottles and film scraps, fibers made from plant-derived raw materials such as bio-nylon and bio-polyester, and wastewater from dyeing It is also preferable to use dope-dyed fibers or the like that are colored by kneading pigments or the like at the stage of yarn so as not to produce odors. In addition to synthetic fibers, cotton, which is a vegetable fiber, and glass fiber, which is an inorganic fiber, can also be suitably used as non-fusing fibers.

The fusible fibers and non-fusible fibers contained in the composite yarn according to the present embodiment are preferably long fibers, that is, filament yarns. The filament yarn may be a monofilament yarn or a multifilament yarn, but the multifilament yarn is preferable from the viewpoint of the flexibility of the fabric. The fineness of the fusible fibers and the non-fusible fibers (the thickness of the multifilament yarn in the case of multifilament yarns) should be 22 dtex or more for the fusible fibers and 13 dtex or more for the non-fusible fibers. preferable.

When the composite yarn according to the present embodiment is an air-entangled yarn, the fineness of the fusible fibers may exceed 78 dtex and be 110 dtex or more, and the fineness of the non-fusible fibers may exceed 78 dtex and be 167 dtex or more. may be In this way, even if the fineness of the fusible fibers and the non-fusible fibers is increased, the anti-fray property can be maintained. Both the warp and the weft are preferably air-entangled yarns.

Further, the composite yarn according to the present embodiment is a core-sheath type composite yarn, the core yarn of the core-sheath type composite yarn is made of a fusible stretchable fiber, and the sheath yarn of the core-sheath type composite yarn is non-fusible. It is also preferable to use a configuration made of fibers. When the composite yarn is a core-sheath type with a fusible fiber as a core yarn and a non-fusible fiber as a sheath yarn, the fineness of the fusible fiber is more preferably 22 dtex or more and 78 dtex or less. The fineness of the adhesive fibers is more preferably 13 dtex or more and less than 84 dtex.

Here, when the fineness of the core yarn and the sheath yarn is small, if the fineness of the core yarn is too large compared to the fineness of the sheath yarn, it is conceivable that the elasticity of the core yarn affects the composite yarn as a whole. That is, if the fineness of the core yarn and the sheath yarn is small, the composite yarn as a whole will also be thin, so there is a possibility that the stretchability will be too large to maintain the shape of the plain weave. In such a case, from the viewpoint of securing the strength of the plain weave, it is preferable that the fineness Fm of the core yarn, which is an elastic fiber, is not too large relative to the fineness Fn of the sheath yarn. That is, as will be described later, in some cases, it is preferable not only to set the lower limit of the CS value (Fm/Fn) to 0.6, but also to set the upper limit of the CS value.

In the core-sheath type composite yarn, the draft rate of the core yarn when the sheath yarn is covered and combined with the core yarn (the elongation rate of the core yarn when the sheath yarn is wound) can be any value depending on the application of the anti-fray fabric. An appropriate draft rate may be adopted, and generally the draft rate is between 2.0 and 4.0. Regarding the number of twists when the sheath yarn is wound around the core yarn, any number of twists may be used depending on the application. is preferred.

Since the fraying prevention fabric according to the present embodiment is a plain fabric and has a single-layer structure, the weave density is adjusted to the warp density (the number of wefts per unit length along the warp direction) to ensure strength. number) and weft density (number of warp yarns per unit length along the weft direction) are required to be above a certain value. The fraying prevention fabric according to the present embodiment preferably has a warp density, which is the number of wefts per 10 mm in the warp direction, of 103 or more, and a weft density, which is the number of wefts per 10 mm in the weft direction, of 94 or more. .

Furthermore, in the fray-preventing fabric according to the present embodiment, the warp and weft are preferably composite yarns having the same structure and made of the same fusible stretchable fibers and non-fusible fibers. . As a result, the simple structure of the plain weave fabric is utilized, the warp and weft structures of the anti-fray fabric are the same, and the same tightness is obtained at all intersections of the warp and weft. As a result, the anti-fraying woven fabric has more uniform strength over the entire surface, and the woven fabric has high adhesion at the edges regardless of where it is cut, and does not fray.

Next, the present invention will be described in more detail with reference to examples, but the present invention is not limited by these examples.

Eight types of anti-fraying fabrics according to the present embodiment were produced from Examples 1 to 8, and a washing test was performed according to the method shown below to evaluate the anti-fraying properties. Also, in order to compare with these examples, two kinds of fabrics were produced as comparative examples and their properties were evaluated by the same method. Each numerical value indicating the configuration of Examples and Comparative Examples was calculated as follows.

[1] Fineness ratio of fusible stretchable fibers and non-fusible fibers: CS value (Fm/Fn)
The value of the fineness Fm of the fusible stretchable fiber and the value of the fineness Fn of the non-fusible fiber in the composite yarns used for weaving the anti-fraying fabrics of Examples 1 to 8 and the fabrics of Comparative Examples 1 and 2. was used to calculate the CS value according to the following formula.
CS value = Fm/Fn

[2] Warp Density For the woven fabric, the number of wefts per 10 mm was counted along the warp direction of the fabric. The number of wefts was counted at a plurality of different points on the fabric, and the average value was taken as the warp density.

[3] Weft Density For the woven fabric, the number of warp yarns per 10 mm was counted along the weft direction of the fabric. The number of warp yarns was counted at different points on the fabric, and the average value was taken as the weft density.

[4] Number of twists (T/M)
Regarding the anti-fraying fabrics according to Examples 1 to 7 using the core-sheath type composite yarn as the composite yarn among the examples, and the fabrics of Comparative Examples 1 and 2, when covering the core yarn with the sheath yarn The number of windings of the sheath yarn per meter was indicated as the number of twists.

[5] Laundering test (measurement of anti-fray properties to laundering of cut edges)
The washing test in the present embodiment was carried out in accordance with the 4N method for a C-type standard washing machine defined in JIS L 1930, "Methods for testing household washing of textile products." JIS L 1930 corresponds to ISO 6330 (2012).

First, before conducting the test, the washing machine was washed according to JIS L 1930. The washing machine used was a C-type standard washing machine specified in JIS L 1930. The washing machine was washed by rinsing and spin-drying steps one or more times without putting the specimen and detergent into the washing machine. The washing conditions were set to be the same as those for evaluating the specimens. After that, the sample and detergent were added and washed according to the JIS L 1930 C4N method.

[6] Evaluation of anti-fraying properties After washing, each sample was taken out and the edges of the sample were visually observed. Then, according to the degree of fraying occurring at the edge of the test piece, evaluation was made on a scale of 10 from "1" for no fraying to "10" for severe fraying, and "7" or less was evaluated as acceptable. That is, the evaluation criteria for anti-fraying properties are as follows.
[〇] (passed) Has excellent anti-fraying properties [×] (failed) Frayed like conventional fabrics

[Example 1]
In order to weave the anti-fray fabric according to Example 1, polyurethane yarn (Mobilon (registered trademark) manufactured by Nisshinbo Textile Co., Ltd.) was used as a fusible stretchable fiber for the core yarn, and a non-fusing fiber was used for the sheath yarn. Using nylon yarn as a core-sheath type composite yarn by covering. The fineness of the core yarn (Fm) is 22 dtex, the fineness of the sheath yarn (Fn) is 13 dtex, and the CS value (Fm/Fn) is 1.692. Also, the number of twists was 1200 T/M.

A plain weave was woven using this core-sheath type composite yarn for both the warp and the weft. The resulting plain weave fabric had a warp density of 204 and a weft density of 178. This plain weave fabric was heat set at a setting temperature of 180° C. for 60 seconds and dyed at a dyeing temperature of 120° C. to obtain an anti-fraying fabric according to Example 1. The PU blend ratio of the obtained fabric was 42%. Table 1 shows the physical properties of the anti-fraying fabric according to Example 1 and the evaluation results of the anti-fraying property.

[Example 2]
The anti-fray fabric according to Example 2 was woven using the same core-sheath type composite yarn as in Example 1. The difference from Example 1 was the weave density of the obtained plain weave fabric, which had a warp density of 220 and a weft density of 219. This plain weave fabric was heat-set and dyed under the same conditions as in Example 1 to obtain an anti-fray fabric according to Example 2. The PU blend ratio of the obtained fabric was 42%. Table 1 shows the physical properties of the anti-fraying fabric according to Example 2 and the evaluation results of the anti-fraying property.

[Example 3]
The anti-fraying fabric according to Example 3 was woven with a core-sheath type composite yarn made of the same material as in Example 1, that is, a covering yarn using a polyurethane yarn as the core yarn and a nylon yarn as the sheath yarn. However, the fineness of the core yarn is the same at 22 dtex, but the fineness of the sheath yarn is 33 dtex, giving a CS value of 0.667. Also, unlike Example 1, the number of twists was set to 800 T/M.

A plain weave was woven using this core-sheath type composite yarn for both the warp and the weft. The resulting plain weave fabric had a warp density of 186 and a weft density of 126. This plain weave fabric was heat-set and dyed under the same conditions as in Example 1 to obtain an anti-fray fabric according to Example 3. The PU blend ratio of the obtained fabric was 23%. Table 1 shows the physical properties of the anti-fraying fabric according to Example 3 and the evaluation results of the anti-fraying property.

[Example 4]
The anti-fray fabric according to Example 4 was woven using the same core-sheath type composite yarn as in Example 3. The difference from Example 3 was the weave density of the resulting plain weave fabric, which had a warp density of 214 and a weft density of 147. This plain weave fabric was heat-set and dyed under the same conditions as in Example 1 to obtain an anti-fray fabric according to Example 4. The PU blend ratio of the obtained fabric was 23%. Table 1 shows the physical property values and evaluation results of the anti-fraying properties of the anti-fraying fabric according to Example 4.

[Example 5]
In the fray-preventing fabric according to Example 5, a material different from that in Examples 1 to 4 was used for the sheath yarn constituting the core-sheath type composite yarn. That is, a covering yarn was produced by using a polyurethane yarn as a core yarn and a split ester yarn as a sheath yarn, and a plain fabric was woven from this core-sheath type composite yarn. Further, the fineness of the core yarn is 44 dtex, the fineness of the sheath yarn is 33 dtex, and the CS value is 1.333. Also, unlike Examples 1 to 4, the number of twists was set to 700 T/M.

A plain weave was woven using this core-sheath type composite yarn for both the warp and the weft. The resulting plain weave fabric had a warp density of 103 and a weft density of 94. This plain weave fabric was heat-set and dyed under the same conditions as in Examples 1 to 4 to obtain an anti-fray fabric according to Example 5. The PU blend ratio of the obtained fabric was 23%. Table 1 shows the physical properties of the anti-fraying fabric according to Example 5 and the evaluation results of the anti-fraying property.

[Example 6]
In the anti-fray fabric according to Example 6, a material different from that in Examples 1 to 4 was used for the sheath yarn constituting the core-sheath type composite yarn. That is, a covering yarn was produced by using a polyurethane yarn as a core yarn and split yarns of nylon and polyester as a sheath yarn, and a plain weave fabric was woven with this core-sheath type composite yarn. Further, the fineness of the core yarn is 44 dtex, the fineness of the sheath yarn is 56 dtex, and the CS value is 0.786. Furthermore, unlike Examples 1 to 5, the number of twists was set to 500 T/M.

A plain weave was woven using this core-sheath type composite yarn for both the warp and the weft. The resulting plain weave fabric had a warp density of 185 and a weft density of 151. This plain weave fabric was heat set for 60 seconds by changing only the setting temperature to 190° C., and dyed at a dyeing temperature of 120° C. to obtain an anti-fray fabric according to Example 6. The PU blend ratio of the obtained fabric was 20%. Table 1 shows the physical properties of the anti-fraying fabric according to Example 6 and the evaluation results of the anti-fraying property.

[Example 7]
The anti-fray fabric according to Example 7 was woven with core-sheath type composite yarn made of the same material as in Examples 1 to 4, that is, covering yarn using polyurethane yarn as the core yarn and nylon yarn as the sheath yarn. . However, the fineness of the core yarn is 78 decitex and the fineness of the sheath yarn is also 78 dtex, so the CS value is 1.0. Moreover, the number of twists was 500 T/M. The woven fabric obtained had a PU content of 25%.

A plain weave was woven using this core-sheath type composite yarn for both the warp and the weft. The resulting plain weave fabric had a warp density of 121 and a weft density of 103. This plain weave fabric was heat-set and dyed under the same conditions as in Examples 1 to 5 to obtain an anti-fray fabric according to Example 7. Table 1 shows the physical properties of the anti-fraying fabric according to Example 7 and the evaluation results of the anti-fraying property.

[Example 8]
In the anti-fray fabric according to Example 8, unlike the core-sheath type composite yarns of Examples 1 to 7, air-entangled composite yarns were used. That is, a polyester yarn, which is a non-fusible fiber, was sprayed onto a polyurethane yarn, which is a fusible stretchable fiber, with a high-speed air flow to prepare an air-entangled yarn, and this air-entangled yarn was used to weave an anti-fray fabric. The fineness of the polyurethane yarn is 110 dtex, the fineness of the polyester yarn is 167 dtex, and the CS value is 0.733. The woven fabric obtained had a PU content of 20%.

A plain weave was woven using this core-sheath type composite yarn for both the warp and the weft. The resulting plain weave fabric had a warp density of 142 and a weft density of 102. This plain weave fabric was heat-set and dyed under the same conditions as in Examples 1 to 5 and Example 7 to obtain an anti-fray fabric according to Example 8. Table 1 shows the physical property values of the anti-fraying fabric according to Example 8 and the evaluation results of the anti-fraying property.

Plain weave fabrics of Comparative Examples 1 and 2 were produced for comparison with the anti-fray fabrics according to these examples.

(Comparative example 1)
The woven fabric of Comparative Example 1 was woven with core-sheath type composite yarn made of the same material as in Example 1, that is, covering yarn using polyurethane yarn as the core yarn and nylon yarn as the sheath yarn. However, the core yarn had the same fineness of 22 decitex, but the sheath yarn had a fineness of 56 dtex. Therefore, the CS value is 0.393. Also, the number of twists was 700 T/M.

A twill fabric was woven using this core-sheath type composite yarn for both the warp and weft. The resulting twill fabric had a warp density of 177 and a weft density of 104. This twill fabric was heat set and dyed under the same conditions as in Examples 1 to 5 and Examples 7 and 8 to obtain a fabric of Comparative Example 1. The PU blend ratio of the obtained fabric was 20%. Table 1 shows the physical properties of the fabric of Comparative Example 1 and the evaluation results of the anti-fraying property.

(Comparative example 2)
The woven fabric of Comparative Example 2 was woven with a core-sheath type composite yarn made of the same material as in Comparative Example 1, that is, a covering yarn using a polyurethane yarn as the core yarn and a nylon yarn as the sheath yarn. However, the fineness of the core yarn was 44 dtex, and the fineness of the sheath yarn was 78 dtex. Therefore, the CS value is 0.564. Also, the number of twists was 700 T/M.

A twill fabric was woven using this core-sheath type composite yarn for both the warp and weft. The resulting twill fabric had a warp density of 138 and a weft density of 86. This twill fabric was heat set and dyed under the same conditions as in Examples 1 to 5 and Examples 7 and 8 to obtain a fabric of Comparative Example 2. The PU blend ratio of the obtained woven fabric was 13%. Table 1 shows the physical property values and evaluation results of anti-fraying properties of the woven fabric of Comparative Example 2.

As shown in Table 1, in order to exhibit the anti-fraying property, the weave structure of the woven fabric is a plain weave, and the fineness Fm of the fusible stretchable fiber and the fineness of the non-fusible fiber of the composite yarn constituting the plain weave are The CS value (Fm/Fn), which indicates the ratio to Fn, must be 0.6 or more. In addition, in the examples shown in Table 1, the warp and the weft, which are composite yarns, have the same structure and are formed of the same fusible stretchable fibers and non-fusible fibers, which prevents fraying. Characteristics are obtained more uniformly and reliably.

Furthermore, as shown in Table 1, in Examples 1 to 7 in which the composite yarn is a core-sheath type, the fineness of the core yarn is preferably 22 dtex or more and 78 dtex or less, and the fineness of the sheath yarn is 13 dtex or more. , 78 dtex or less (less than 84 dtex). Here, as in Examples 1 to 7, when the fineness Fm of the core yarn and the fineness Fn of the sheath yarn are small, as described above, from the viewpoint of ensuring the strength of the plain weave, a fiber having stretchability is used. It is preferable that the fineness Fm of a certain core yarn is not too large relative to the fineness Fn of the sheath yarn.

That is, when the fineness of the core yarn and the sheath yarn is small, it is preferable to set the lower limit of the CS value (Fm/Fn) to 0.6 and the upper limit to a certain value. Specifically, for finenesses such as those shown in Examples 1 to 7, it is preferred that the CS value is less than 3.0. Furthermore, the CS value is more preferably less than 2.0, and even more preferably less than 1.8.

On the other hand, in Example 8, in which the composite yarn is an air-entangled yarn, excellent anti-fray properties are obtained even when the fineness of the core yarn is 110 dtex and the fineness of the sheath yarn is 167 dtex. The CS value is also 0.6 or more for Example 8. Also in Example 8, the CS value is less than 3.0, less than 2.0, and less than 1.8.

The anti-fraying fabric according to the present invention can be suitably used for various applications in various fields where fabrics whose edges are formed by cutting are used, including clothing fabrics that are tailored by cutting and sewing.

10 anti-fray fabric 11 warp 12 weft

Claims

A fabric capable of preventing fraying of cut edges, comprising:
The weave structure is plain weave,
The warp and weft of the fabric are composed of composite yarns containing fusible stretchable fibers and non-fusible fibers,
An anti-fray fabric characterized in that the CS value (Fm/Fn), which indicates the ratio between the fineness (Fm) of the fusible stretchable fibers and the fineness (Fn) of the non-fusible fibers, is 0.6 or more. .
The anti-fraying fabric according to claim 1, characterized by having a warp density of 103 or more and a weft density of 94 or more.
3. The anti-fray according to claim 1 or 2, wherein the warp and the weft have the same structure and are composite yarns formed of the same fusible stretchable fibers and non-fusible fibers. fabric.
The anti-fray fabric according to any one of claims 1 to 3, wherein both the warp and weft of the composite yarn are made of air-blended yarn.
The composite yarn is a core-sheath type composite yarn, the core yarn of the core-sheath type composite yarn is made of the fusible stretchable fiber, and the sheath yarn of the core-sheath type composite yarn is made of the non-fusible fiber. Anti-fray fabric according to any one of claims 1 to 3, characterized in that:
6. The anti-fray fabric according to claim 5, wherein the number of twists of the sheath yarn with respect to the core yarn in the core-sheath type composite yarn is 350 T/M or more.