Laminated fabric and single circular knit fabric
The laminate fabric with a single circular knitted jersey texture and specific Vh value ratio addresses the durability issues of existing fabrics by enhancing snag resistance and maintaining lightweight properties, suitable for uniforms and combat uniforms.
Patent Information
- Application Number
- JP2023554552
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2021-10-14
- Filing Date
- 2022-10-12
- Publication Date
- 2024-12-19
- Estimated Expiration
- 2042-10-12
AI Technical Summary
Existing laminate fabrics, particularly those used in uniforms and combat uniforms, lack sufficient durability against snagging and abrasion while maintaining lightweight and flexible properties, as increasing fineness and density to enhance durability leads to increased thickness and weight.
A laminate fabric comprising a base layer with a resin film or nonwoven fabric and a layer of single circular knitted fabric with a jersey texture, characterized by a Vh value (C/W) ratio of 1.5 to 3.0, high knitting density, and specific knitting yarn properties to enhance durability and reduce snagging.
The laminate fabric achieves significantly improved durability against snagging and abrasion, maintaining lightweight and flexible properties suitable for uniforms and combat uniforms, with excellent texture and resistance to hook-and-loop fasteners.
Smart Images

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Abstract
Description
[Technical field]
[0001] The present invention relates to a single circular knit fabric constituting a laminated fabric used in clothing such as rainwear and sportswear that require windproof, waterproof and moisture permeable properties. [Background technology]
[0002] For clothing requiring windproof, waterproof and moisture-permeable properties such as rain gear, mountaineering wear, sportswear, work clothes, uniforms, combat uniforms, etc., moisture-permeable waterproof fabrics have been developed in which a resin film or nonwoven fabric is laminated on one side of a woven fabric, knitted fabric, nonwoven fabric, etc. by coating or lamination. These moisture-permeable waterproof fabrics have a three-layer structure in which a lining is laminated on the opposite side of the resin film laminated on the woven or knitted fabric, etc. This prevents peeling, damage, dirt, oil stains, stickiness, etc. of the resin film or nonwoven fabric in the moisture-permeable waterproof fabric.
[0003] The lining of such a moisture-permeable waterproof fabric is required not to increase the thickness or basis weight of the three-layer laminate, and not to impair the texture when worn. Thus, a moisture-permeable waterproof fabric using a tricot knit fabric with an uneven structure on the surface due to the knitting structure as the lining has been developed (Patent Document 1). However, hook-and-loop fasteners (e.g., "NEWECO MAGIC (registered trademark)" manufactured by Kuraray Fastening Co., Ltd.) are often used for the above-mentioned clothing items such as rain gear and mountain climbing clothes. When a tricot knit fabric is used on the back side, there is a problem that the hook side or button of such a hook-and-loop fastener is easily caught in the uneven structure of the tricot knit fabric, and is easily deteriorated by wear.
[0004] In order to solve such problems, the applicant has developed a moisture-permeable, waterproof three-layer laminate fabric that exhibits high friction resistance compared to tricot linings, is lightweight, and has an excellent texture, by using a circular knit fabric with a high knitting density as the lining, as shown in a previous patent application (Patent Document 2).
[0005] Furthermore, as disclosed in a previous patent application, the applicant has developed a two-layer laminate fabric that is lightweight and highly stretchable, has high snag resistance, has excellent friction resistance against hook-and-loop fasteners, and is also moisture-permeable and waterproof, by laminating a single circular knit fabric having a high knitting density with a resin film (Patent Document 3).
[0006] These two- and three-ply laminate fabrics had significantly improved abrasion resistance compared to the fabric with a tricot knit lining shown in Patent Document 1, and had excellent durability for a laminate fabric using a circular knit fabric. [Prior art documents] [Patent documents]
[0007] [Patent Document 1] Japanese Patent Publication No. 55-007483 [Patent Document 2] Patent No. 4805408 [Patent Document 3] Patent No. 5602040 Summary of the Invention [Problem to be solved by the invention]
[0008] However, even the laminated fabrics according to Patent Documents 2 and 3 have the following problems: In reality, the fiber is insufficient for applications requiring higher friction durability, such as uniforms and combat uniforms. On the other hand, if the fineness or density is increased in an attempt to improve durability, the single circular knit fabric also increases in unit weight and thickness, resulting in a problem that the laminate fabric as a whole becomes thick and heavy. Under these circumstances, there has been a demand for a laminate fabric that has higher durability while maintaining excellent texture and light weight.
[0009] The present invention has been made in consideration of such problems, and aims to provide a laminated fabric with dramatically improved durability against snagging and abrasion by using a single circular knitted fabric having a special knitting, and also aims to provide a single circular knitted fabric for constituting such a laminated fabric. [Means for solving the problem]
[0010] In order to achieve the above object, the laminate fabric according to the present invention comprises: A laminated fabric comprising at least a base layer made of one or both of a resin film and a nonwoven fabric, and a layer of a single circular knit fabric having a plain stitch structure, The Vh value (C / W), which indicates the ratio of the density in the warp direction of the plain stitch fabric (the number of courses C) to the density in the weft direction of the plain stitch fabric (the number of wells W), is within the range of 1.5 to 3.0.
[0011] The laminate fabric preferably has at least one type of fabric selected from woven fabric, knitted fabric and nonwoven fabric laminated on the opposite side of the single circular knit fabric with respect to the base layer.
[0012] In the laminate fabric, the number of courses C is preferably 90 or more courses per inch.
[0013] In the laminated fabric, the knitting yarn constituting the single circular knitted fabric is preferably a filament raw yarn (straight yarn).
[0014] In the laminated fabric, it is preferable that the knitting yarn of the single circular knit fabric has a fineness of 36 dtex or less.
[0015] In the laminate fabric, the number of courses C is preferably 100 or more courses per inch.
[0016] In the laminate fabric, the number of courses C is preferably 110 or more courses per inch.
[0017] In the laminate fabric, it is preferable that the sinker loop surface of the single knit fabric is laminated to the base layer as a joining surface.
[0018] In a laminate fabric in which the sinker loop surface of the single knit fabric is laminated as the joining surface with the base layer, it is preferable that the warp length of the knitting yarn appearing on the knit surface (needle loop surface) side of the plain weave is 150 μm or less.
[0019] In order to achieve the above object, the single circular knitted fabric according to the present invention is characterized in that it is used in any one of the laminated fabrics described above. Effect of the Invention
[0020] In the laminate fabric of the present invention, the single circular knit fabric used in the laminate is constructed with a plain stitch structure by a special knitting method, which dramatically improves the durability against snagging and abrasion, and can be used for applications requiring further friction durability on the front and / or back surfaces, such as uniforms and combat uniforms, and can also provide a lightweight laminate fabric with a good texture. [Brief description of the drawings]
[0021] [Figure 1] FIG. 1A is a perspective view showing a two-layer laminate fabric according to the present embodiment, and FIG. 1B is a longitudinal sectional view showing a cross section II in FIG. [Diagram 2] FIG. 1A is a perspective view showing a three-layer laminate fabric according to the present embodiment, and FIG. 1B is a longitudinal sectional view showing a cross section taken along line II-II in FIG. [Diagram 3] FIG. 1 is a schematic diagram showing a single circular knit fabric with a typical plain stitch structure as viewed from the knit side (needle loop surface). [Figure 4] FIG. 1 is a schematic diagram showing a single circular knitted fabric with an increased knit density as viewed from the face side (needle loop surface). [Diagram 5] 1 is a schematic diagram showing the knit side surface (needle loop surface) of a single circular knitted fabric according to the present embodiment. FIG. [Figure 6] FIG. 2 is a schematic diagram showing the back stitch side surface (sinker loop surface) of a single circular knitted fabric according to the present embodiment. [Figure 7] 10 is a schematic diagram for explaining a method for calculating the warp direction length of a knitting yarn appearing on the needle loop surface side of a single circular knitted fabric according to the present embodiment. FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0022] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment for carrying out the laminate fabric according to the present invention (simply referred to as "present embodiment" in this specification) will be described in detail with reference to the drawings.
[0023] Fig. 1(a) is a perspective view showing a two-layer laminate fabric as a laminate fabric according to the present embodiment, and Fig. 1(b) is a longitudinal sectional view showing a cross section II in Fig. 1(a). As shown in Fig. 1(a) and (b), the two-layer laminate fabric 10 according to the present embodiment is composed of a base layer 12 made of one or both of a resin film and a nonwoven fabric, and a layer 14 of a single circular knit fabric with a plain stitch structure.
[0024] A single circular knitted fabric is a circular knitted fabric (weft knitted fabric) knitted by a circular knitting machine with a single row of needle beds, and the single circular knitted fabric according to the present embodiment is a plain knitted fabric, which is the most basic type among them. The knitting density of a single circular knitted fabric is expressed by the number of rows of stitches (courses) that are continuous in the weft direction and the number of rows of stitches (wells) that are continuous in the warp direction. The number of courses formed per inch (=2.54 cm) in the warp direction of a single circular knitted fabric is called the number of courses. The number of wells formed per inch in the weft direction of a single circular knitted fabric is called the number of wells. In the present specification, these are hereinafter simply referred to as the "number of courses" and the "number of wells", and are represented by the variables "C" and "W", respectively.
[0025] In the two-layer laminate fabric 10 according to the present embodiment, the single circular knit fabric forming the layer 14 of the single circular knit fabric of the laminate has a unique knitting pattern. That is, the layer 14 of the single circular knit fabric is made of a single circular knit fabric with a plain stitch structure, and is characterized in that the Vh value (C / W), which represents the ratio of the number of courses C indicating the density in the warp direction of the plain stitch structure to the number of wales W indicating the density in the weft direction of the plain stitch structure, is within the range of 1.5 to 3.0.
[0026] Fig. 2(a) is a perspective view showing a three-layer laminate fabric as a laminate fabric according to the present embodiment, and Fig. 2(b) is a longitudinal sectional view showing a cross section taken along line II-II in Fig. 2(a). As shown in Figs. 2(a) and (b), the three-layer laminate fabric 20 according to the present embodiment is composed of a surface layer 21 made of at least one kind of fabric selected from woven fabric, knitted fabric, and nonwoven fabric, a middle layer 22 made of one or both of a resin film and a nonwoven fabric, and a back layer 24 made of a single circular knit fabric with a plain stitch structure.
[0027] In this embodiment, a three-layer laminate fabric using a layer of single circular knit fabric as the back layer 24 will be described as a representative example, but a layer of single circular knit fabric can also be used as the front layer. In this case, too, a three-layer laminate fabric can be obtained that has dramatically improved durability against snagging and abrasion compared to three-layer laminate fabrics according to conventional technology.
[0028] In the three-layer laminate fabric 20 according to the present embodiment, the single circular knit fabric constituting the back layer 24 of the laminate also has a unique knitting pattern. That is, the back layer 24 is made of a single circular knit fabric with a plain weave, and is characterized in that the Vh value (C / W), which represents the ratio of the number of courses C indicating the density in the warp direction of the plain weave to the number of wales W indicating the density in the weft direction of the plain weave, is within the range of 1.5 to 3.0.
[0029] Fig. 3 is a schematic diagram showing a single circular knitted fabric with a general plain weave as viewed from the face side (needle loop surface). As shown in Fig. 3, a single circular knitted fabric 100 with a general plain weave is formed by connecting stitches 102 using knitting yarn 101 extending in the weft direction (width direction) H. By knitting in this way, the single circular knitted fabric 100 has the characteristics of being thin and lightweight, and easily stretchable in the weft direction (width direction) H. This gives it a light and soft feel, but on the other hand, hook-and-loop fasteners and the like are easily caught on the knitting yarn 101 through gaps 103 between the stitches 102.
[0030] On the other hand, as shown in Fig. 4, if the stitches 102 are made smaller and the knitting density is increased, the gaps 103 become narrower and snagging becomes less likely to occur. However, this causes a problem that the weight of the single circular knitted fabric 100 becomes heavier, and since circular knitting is performed using needles, there is a limit to how high the density can be increased due to the thickness of the needles, so it was not possible to achieve a density that dramatically reduces snagging.
[0031] Therefore, we conducted research without being bound by the conventional idea that increasing the number of stitches in a circular knitted fabric narrows the gap 103 as shown in Figure 4, making it less likely to get caught. As a result, we found that by setting the ratio of the number of courses C to the number of wels W to 1.5 or more, it is possible to make it less likely to get caught without increasing the number of stitches. In other words, reducing the number of wels W relative to the number of courses C increases the proportion of the length of the knitting yarn used in the weft direction. As a result, the length of the knitting yarn used in the warp direction is reduced, and the length of the knitting yarn appearing in the warp direction on the surface of the single circular knitted fabric is also shortened. We found that this dramatically increases the durability against snagging without increasing the basis weight of the single circular knitted fabric.
[0032] Fig. 5 is a schematic diagram showing the knitted surface (needle loop surface) of the single circular knitted fabric 34 according to the present embodiment based on such knowledge. Since the ratio (Vh value) of the number of courses C / number of wells W of the single circular knitted fabric 34 is 1.5 or more, the interval in the warp direction N of the stitches 32 of the knitting yarn 31 forming the course becomes narrow as shown in Fig. 5. As a result, the length L of the knitting yarn 31 appearing in the warp direction N of the knitted surface (needle loop surface) becomes shorter. In other words, the portion where the knitting yarn 31 floats on the surface of the single circular knitted fabric 34 becomes smaller, so that the knitting yarn 31 is less likely to get caught. Therefore, even if the interval in the weft direction H of the stitches 32 becomes wider, the friction durability can be significantly improved and the basis weight does not increase.
[0033] From the viewpoint of enhancing the effect of being able to shorten the length L while widening the spacing between the stitches 32 in the weft direction H, the Vh value is more preferably 1.6 or more, and even more preferably 1.7 or more.
[0034] Moreover, the number of courses C is preferably 90 courses / inch or more. By increasing the number of courses C, the intervals in the warp direction N of the stitches 32 of the knitting yarn 31 forming the courses become narrower as described above, and the floating portion of the knitting yarn 31 becomes smaller, making it less likely to get caught. The number of courses C is more preferably 100 courses / inch or more, and even more preferably 110 courses / inch or more.
[0035] On the other hand, since reducing the number of wells W facilitates weight reduction, it is preferable that the number of wells W is 70 wells / inch or less, and more preferably 65 wells / inch or less. Also, from the viewpoint of ease of production, the number of wells W is preferably 37 wells / inch or more.
[0036] Furthermore, by finishing the Vh value of the single circular knitted fabric 34 to 1.5 or more, the knitting yarn 31 is stretched in a straight line overall, improving the strength of the single circular knitted fabric 34 as a single fabric. It is believed that the increased strength of the single circular knitted fabric 34 also contributes to improved friction durability against snagging.
[0037] Therefore, unlike the three-layer laminate fabric of Patent Document 2, the three-layer laminate fabric 20 according to the present embodiment does not require that the back side surface (sinker loop surface) of the single circular knit fabric 34 be the joining surface with the intermediate layer 22 (resin film). In other words, even if the face side surface (needle loop surface) of the single circular knit fabric 34 is the joining surface with the intermediate layer 22, durability against snagging and friction can be significantly improved compared to the conventional case.
[0038] However, if even greater durability against snagging and friction is required, it is preferable to join the sinker loop surface of the single circular knitted fabric 34 to the intermediate layer 22 and layer the single circular knitted fabric 34 so that the needle loop surface of the single circular knitted fabric 34 is visible on the surface.
[0039] When the needle loop surface of the single circular knitted fabric 34 is used as the joining surface with the intermediate layer 22, the surface of the back layer 24 becomes the sinker loop surface of the single circular knitted fabric 34, and the knitting yarn 31 is raised by the length M as shown in the schematic diagram of Fig. 6. On the other hand, when the sinker loop surface of the single circular knitted fabric 34 is used as the joining surface with the intermediate layer 22, the surface of the back layer 24 becomes the needle loop surface of the single circular knitted fabric 34 shown in Fig. 5, and the knitting yarn 31 is raised by the length L. Since the length L is shorter than the length M, durability against snagging and friction is improved.
[0040] As the fibers constituting the knitting yarn 31 of the single circular knitted fabric 34, either natural fibers or artificial fibers can be used. Natural fibers include cotton, linen, wool, silk, etc. Artificial fibers include synthetic fibers, regenerated fibers (rayon, cupra, etc.), semi-synthetic fibers (acetate, promix, etc.), and inorganic fibers (fluorine fibers, glass fibers, stainless steel fibers, etc.). As the fibers constituting the knitting yarn 31 of the single circular knitted fabric 34 according to this embodiment, synthetic fibers are preferred from the viewpoints of durability, versatility, and cost.
[0041] The synthetic fibers that are the material for the knitting yarn 31 are not particularly limited, but examples include polyester-based fibers made of aromatic polyester resins such as polyethylene terephthalate and aliphatic polyester resins such as polylactic acid, polyamide-based fibers such as nylon 6, nylon 6,6 and bionylon, polyolefin-based fibers such as polypropylene and polyethylene, acrylic-based fibers, polyvinyl alcohol-based fibers, polyvinyl chloride-based fibers, etc.
[0042] Among these synthetic fibers, polyester fibers such as polyethylene terephthalate, polyamide fibers such as nylon 6, and polypropylene fibers are preferred from the viewpoints of versatility and durability. In particular, polyamide fibers and polyester fibers are preferred from the viewpoints of strength, durability, processability, and cost. In addition, from the viewpoint of reducing the environmental load, it is also preferred to use 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 dyed fibers colored by kneading pigments into the yarn at the yarn stage in order to avoid generating wastewater from dyeing.
[0043] The fineness of the knitting yarn 31 constituting the single circular knitted fabric 34 is preferably 36 dtex or less. If the fineness of the knitting yarn 31 exceeds 36 dtex and becomes thick, the basis weight of the single circular knitted fabric 34 becomes heavy and thick, and the three-layer laminate fabric 20 as a whole becomes heavy and thick. The fineness is more preferably 3 dtex or more and 33 dtex or less, and even more preferably 4 dtex or more and 22 dtex or less.
[0044] The fibers constituting the knitting yarn 31 may be long fibers (filaments) or short fibers (staples), but it is preferable that the knitting yarn 31 is a filament yarn made of long fibers. The knitting yarn 31 may be a monofilament yarn made of a single fiber, or a multifilament yarn made of multiple single fibers, but it is more preferable that the knitting yarn is a multifilament yarn.
[0045] When the knitting yarn 31 is a multifilament yarn, the single yarn fineness is preferably in the range of 0.4 decitex or more and 10 decitex or less. The single yarn fineness of the knitting yarn 31 is more preferably in the range of 0.8 decitex or more and 6 decitex or less, and even more preferably in the range of 1.6 decitex or more and 4 decitex or less. By having a single yarn fineness of 10 decitex or less, a three-layer laminate fabric 20 can be obtained in which the texture of the back layer 24 is softer. On the other hand, if the single yarn fineness is less than 0.4 decitex, the yarn is too thin, and durability against snagging and abrasion decreases.
[0046] As the synthetic multifilament yarn, straight yarn (hereinafter also referred to as "raw silk") that has not been subjected to advanced processing such as shrink processing or bulk processing, false twisted crimped yarn, air-mixed bulky yarn, twisted yarn, etc. that have been subjected to advanced yarn processing such as shrink processing or bulk processing can be used. In particular, in order to make the back layer 24 less likely to be caught by hook-and-loop fasteners and to have a smooth surface, it is preferable to use yarn that is less likely to unravel and has good bundling properties. Among them, it is preferable to use straight yarn, which can further improve the physical properties against snagging and abrasion, and the ease of wearing and ease of movement when made into clothing. Straight yarn also includes those that have a slight degree of entanglement that is imparted by a compressed air jet in order to impart bundling properties at the spinning stage.
[0047] The single circular knitted fabric 34 according to this embodiment is manufactured as a product by selecting a single circular knitting machine, setting the knitting conditions, knitting, and dyeing and finishing in the same manner as for normal circular knitted fabrics. In order to obtain a single circular knitted fabric 34 having the desired characteristics by keeping the number of courses and the number of wales and their ratio within a predetermined numerical range, the processing conditions in the knitting and processing steps are particularly important.
[0048] The single circular knitted fabric 34 is preferably knitted using a single circular knitting machine of 46 gauge or more, and more preferably knitted using a single circular knitting machine of 58 gauge or more.
[0049] The single circular knitted fabric 34 thus knitted is further dyed and finished to become a lining fabric product. The dyeing and finishing process can be carried out by a conventionally known method for dyeing circular knitted fabrics.
[0050] However, the single circular knitted fabric 34 according to this embodiment needs to have a ratio of the number of courses C to the number of wales W, i.e., the Vh value, in the range of 1.5 to 3.0 when it is made into a laminated fabric. In this way, the single circular knitted fabric 34 according to this embodiment is produced.
[0051] Next, a method for manufacturing a laminate fabric using the single circular knit fabric 34 thus produced will be described. As laminate fabrics, in addition to the above-mentioned two-layer laminate fabric 10 and three-layer laminate fabric 20, there are also laminate fabrics with more layers. Here, a method for manufacturing a three-layer laminate fabric 20 will be described as an example of a laminate fabric according to the present embodiment.
[0052] The surface layer 21 in the three-layer laminate fabric 20 according to the present embodiment is formed from at least one type of fabric selected from woven fabric, knitted fabric, and nonwoven fabric. That is, the surface layer 21 may be formed from only one type of fabric, woven fabric, knitted fabric, or nonwoven fabric, or may be formed from a combination of two or more types of fabric. Methods for combining two or more types of fabrics include laminating the fabrics using an adhesive, and joining two or more types of fabrics in a planar direction.
[0053] The weave of the fabric forming the surface layer 21 is not particularly limited, but in the case of woven fabrics, weaves such as plain weave, twill weave, satin weave, twill weave, matte weave, weft double weave, warp double weave, hollow weave, velvet, etc. can be used. In the case of knitted fabrics, weft knitting can be plain knitting (plain knit), pique knitting, pile knitting, rib knitting (elastic knitting), pearl knitting (lynx knitting), double knitting, etc. can be used. In addition, warp knitting can be single denbi knitting, single cord knitting, single atlas knitting, half tricot knitting, double denbi knitting, satin tricot knitting, queens cord knitting, etc. can be used. As nonwoven fabrics, short fiber nonwoven fabrics, long fiber nonwoven fabrics, dry nonwoven fabrics, wet nonwoven fabrics, etc. can be used.
[0054] The material constituting the fabric used for the surface layer 21 can be selected from natural fibers such as cotton, linen, silk, etc., and synthetic fibers such as polyester fibers, polyamide fibers, polyurethane fibers, and acrylic fibers, etc., depending on the application of the three-layer laminate fabric 20, similar to the material forming the single circular knit fabric of the back layer 24. The fabric used for the surface layer 21 may be subjected to a conventionally known water repellent treatment, antistatic treatment, etc., as necessary.
[0055] Similarly, the structure of the fabric used for the surface layer 21 can be selected depending on the application of the three-layer laminate fabric 20. For example, when the three-layer laminate fabric 20 according to the present embodiment is used for mountain climbing clothing in which strength, durability, and light weight are important, it is preferable to use a woven fabric woven from polyester fibers, polyamide fibers, etc. as the fabric. When the three-layer laminate fabric 20 according to the present embodiment is used for sportswear in which stretchability and light weight are important, it is preferable to use a knitted fabric knitted from polyester fibers, polyamide fibers, etc. as the fabric.
[0056] As the resin film or nonwoven fabric used in the intermediate layer 22 of the three-layer laminate fabric 20 according to the present embodiment, various conventionally known resin films and nonwoven fabrics can be adopted depending on the application of the three-layer laminate fabric 20. Materials for the resin film include polyurethane resin, acrylic resin, polyvinyl chloride resin, polyester resin, polyethylene resin, polypropylene resin, fluorine-containing resin, polyamide resin, polyimide resin, etc., and may be appropriately selected depending on the application.
[0057] For example, when the three-layer laminate fabric 20 is used for moisture-permeable and waterproof clothing, the resin film forming the intermediate layer 22 is made of polyurethane resin, polyester resin, fluorine-containing resin, etc. Here, the moisture-permeable waterproof film is divided into a porous resin thin film produced by a wet process and a hydrophilic non-porous resin thin film produced by a dry process, and the films can be used according to their respective characteristics.
[0058] The nonwoven fabric used for the intermediate layer 22 may be a short fiber nonwoven fabric, a long fiber nonwoven fabric, a flash spinning nonwoven fabric, a metro blow nonwoven fabric, or an electrospinning nonwoven fabric made of polyester, polypropylene, polyethylene, polyvinyl alcohol, polyamide, acrylonitrile, acetate, cellulose, polyurethane, or the like, and may be appropriately used. A laminate of a plurality of these may also be used.
[0059] The thickness of the intermediate layer 22 is preferably within the range of 1 μm or more and 300 μm or less, and more preferably within the range of 5 μm or more and 100 μm or less.
[0060] The resin film or nonwoven fabric of the intermediate layer 22 according to this embodiment is laminated to the surface layer 21 selected from woven fabric, knitted fabric, and nonwoven fabric, and the back layer 24 consisting of a single circular knit fabric 34, using a conventionally known method. Specifically, for example, a general lamination method can be applied, such as a method of directly coating the surface layer 21 or the back layer 24 with a resin material that forms the intermediate layer 22, or a method of producing a film from a resin material to form a resin film, and bonding it to the surface layer 21 and the back layer 24 with an adhesive or the like (lamination method).
[0061] The direct coating method is a method in which a resin material is applied to the surface of the front layer 21 or the back layer 24 in a uniform thin film form to form a film. Conventionally known methods such as knife over roll coating, direct roll coating, reverse roll coating, and gravure coating can be used to apply the resin material. When using these coating methods, the applied resin material is adjusted to have a thickness within the above-mentioned range.
[0062] The lamination method is a method of laminating a surface layer 21 and a back layer 24 by applying an adhesive to the surface of a resin film prepared by previously forming a resin material into a film or a nonwoven fabric prepared by the above-mentioned various methods, or a method of laminating an intermediate layer 22 by applying an adhesive to the surface layer 21 and the back layer 24. In the step of preparing the intermediate layer 22, the thickness of the resin film or nonwoven fabric formed is adjusted to be within the above-mentioned range. Methods of applying the adhesive include knife over roll coating, direct roll coating, reverse roll coating, gravure coating, and the like, which are conventionally known.
[0063] The adhesive may be any of the conventional adhesives, including adhesives made of thermoplastic resins, thermosetting adhesives using resins that are cured by heating or ultraviolet irradiation, and ultraviolet curing adhesives. Resins used in adhesives include polyester resins, polyamide resins, polyurethane resins, silicone resins, acrylic resins, polyvinyl chloride resins, polyolefin resins, and the like. In particular, when the three-layer laminate fabric 20 according to the present embodiment is used in moisture-permeable and waterproof clothing, it is preferable to use an adhesive with high moisture permeability.
[0064] The coverage of the adhesive is not particularly limited, but the higher the coverage, the higher the peel strength. If the adhesive has high moisture permeability, there is no problem with full adhesion with a coverage of 100%, but in general, in order to achieve both moisture permeability and water resistance, it is preferable to set the coverage to 20% or more and 80% or less. When full adhesion with a coverage of 100% is required, a knife coater or the like can be used, and when the coverage is controlled to 20% or more and 80% or less, a gravure coater or the like can be used. The gravure coater is a device that uses a roll having dot-shaped recesses on its surface to transfer the adhesive filled in the recesses to the adhesive surface of a resin film or the like, and the coverage of the adhesive can be freely set by adjusting the area, depth, and interval between the recesses of the recesses.
[0065] The three-layer laminate fabric 20 according to the present embodiment has an overall basis weight of 30 g / m 2 More than 180g / m 2 It is preferable that the range is 50 g / m 2 More than 150g / m 2 It is more preferable that the weight is within the following range: 2 If the weight exceeds 30 g / m, the garment will be heavy and uncomfortable to wear, which is not desirable. 2 If the weight is less than this, the material will be too light, resulting in low tear strength and other properties, which is undesirable since the material will be easily damaged when made into clothing.
[0066] The manufacturing method for three-layer laminate fabric 20 has been described above as an example of a laminate fabric according to the present embodiment, but a similar manufacturing method can be used for two-layer laminate fabric 10, except for the portion related to front layer 21. In the manufacturing method for two-layer laminate fabric 10, back layer 24 in the manufacturing method for three-layer laminate fabric 20 described above corresponds to single circular knit layer 14, and middle layer 22 corresponds to base layer 12. EXAMPLES
[0067] The present invention will now be described in more detail with reference to examples, but the present invention is not limited to these examples.
[0068] Based on the manufacturing method described in the above embodiment, three-layer laminate fabrics according to Examples 1 to 6 and two-layer laminate fabric according to Example 7 were produced, and their physical properties were measured to evaluate their characteristics. For comparison with the Examples, four types of three-layer laminate fabrics were produced as Comparative Examples, and their physical properties were similarly measured to evaluate their characteristics. The physical properties of the Examples and Comparative Examples were measured by the following methods.
[0069] [1] Number of courses (C) The number of stitches per inch in the warp direction was counted. The number of stitches was counted at five different points, and the average value was taken as the number of courses.
[0070] [2] Number of wells (W) The number of stitches per inch in the weft direction was counted. The number of stitches was counted at five different points, and the average value was taken as the number of wells.
[0071] [3] Vh value (C / W) represents the ratio of the number of courses to the number of wells. Using the number of courses and the number of wells calculated by the above method, the following formula was used to calculate the saturation rate. Vh value = C ÷ W
[0072] [4] The warp length of the knitting yarn on the front side The knit side surface (needle loop surface) of the single circular knit fabric was observed with an optical microscope at a magnification of 200 times, and the warp length of the knitting yarn appearing on the knit side was read. The length was read at 10 points at each of three different locations on the needle loop surface, and the average value was taken as the warp length of the knitting yarn. Here, the warp length of the knitting yarn appearing on the knit side was measured as the length of the part where the yarn did not overlap, as shown in the schematic diagram of Figure 7.
[0073] In the example of the schematic diagram in Figure 7, the measured lengths of the 10 places from [1] to
[10] where the knitting yarn does not overlap on the face side are [1] 0.08 mm, [2] 0.08 mm, [3] 0.07 mm, [4] 0.08 mm, [5] 0.13 mm, [6] 0.07 mm, [7] 0.11 mm, [8] 0.07 mm, [9] 0.09 mm, and
[10] 0.11 mm, respectively. Therefore, the average value of the lengths of the 10 places shown in Figure 7 is 0.089 mm (89 μm). In practice, the lengths of 10 places were measured in this way at three places on the needle loop surface, and the average value of the lengths of a total of 30 places was calculated.
[0074] [5] Snag characteristics (friction durability against hook-and-loop fasteners) The friction durability was measured according to ASTM D4966 "Standard Test Method for Abrasion Resistance of Textile Fabrics (Martindale Abrasion Test Method)". The hook side of the hook-and-loop fastener was pressed against the surface of the single circular knitted fabric of the test specimen cut out from the two-layer laminate fabric and the three-layer laminate fabric of each Example and Comparative Example, and the test specimen was rotated a predetermined number of times, and the occurrence of snags at the friction site on the surface of the test specimen after the test was visually observed. As the hook-and-loop fastener, "A8693Y" manufactured by Kuraray Fastening Co., Ltd. was used, and the pressing load was 9 kPa. The surface condition of the friction site of the test specimen after the test was compared with each standard sample from grade 5 to grade 1, and the test specimen was ranked according to the grade of the corresponding standard sample. If a through hole was formed in the test specimen after the test and measurement was not possible, the test specimen was rated as the lowest grade 0.
[0075] [6] Overall rating Considering the above physical properties, especially the friction durability, and the texture of the fabric derived from the basis weight and the fineness of the knitting yarn, the properties of the two-layer laminate fabric and the three-layer laminate fabric were evaluated comprehensively. The evaluation criteria are as follows. [〇] Has extremely excellent properties as a two-layer laminate fabric or a three-layer laminate fabric [X] No difference is observed between the fabric and conventional two-layer laminate fabric or three-layer laminate fabric.
[0076] [Example 1] In the three-layer laminate fabric according to Example 1, the single circular knit fabric for the back layer was produced by knitting on a 58-gauge circular knitting machine using nylon multifilament raw silk (straight yarn) with a total fineness of 22 dtex, 7 filaments, and a single yarn fineness of 3.1 dtex (22 dtex / 7f) as the knitting yarn, and then dyeing and finishing. The obtained single circular knit fabric had a wel number of 54 and a course number of 111, and the ratio Vh value of the course number / wel number was 2.1. The length of the knitting yarn appearing on the face side of the single circular knit fabric was 90 μm.
[0077] On the other hand, the surface layer of the three-layer laminate fabric was prepared by treating the double rip fabric with a fluorine-based water repellent agent, with the warp and weft made of 22 dtex, 20 filament nylon multifilament false twist yarn. The middle layer was a polyurethane-based porous resin film (thickness 35 μm).
[0078] A woven fabric for the surface layer was attached to one side of this porous resin film, and a single circular knit fabric for the back layer was attached to the other side, with the sinker loop surface sides bonded to each other, to obtain a three-layer laminate fabric (102 g / m) according to Example 1. 2 The physical properties and evaluation results of this three-layer laminate fabric are shown in Tables 1 and 2.
[0079] [Example 2] The single circular knit fabric for the back layer of the three-layer laminate fabric according to Example 2 was produced in the same manner as in Example 1. That is, the knitting yarn was made of nylon multifilament raw silk with a total fineness of 22 dtex, 7 filaments, and a single yarn fineness of 3.1 dtex (22 dtex / 7f), which was knitted on a 58-gauge circular knitting machine and dyed and finished. The obtained single circular knit fabric had a wel number of 53 and a course number of 113, and the ratio Vh value of the course number / wel number was 2.1.
[0080] The surface layer and the intermediate layer were made of the same materials as those in Example 1. In Example 2, however, a single circular knit fabric for the back layer was attached so that the needle loop surface was bonded to the resin film surface, and a three-layer laminate fabric (102 g / m2) according to Example 2 was obtained. 2 ) was created. That is, in the three-layer laminate fabric of Example 2, the bonded surface of the single circular knit fabric is opposite to that of Example 1. Therefore, the surface of the lining of the three-layer laminate fabric of Example 1 is the needle loop surface, whereas the surface of the lining of the three-layer laminate fabric of Example 2 is the sinker loop surface. The measured physical properties and evaluation results of this three-layer laminate fabric are shown in Tables 1 and 2.
[0081] [Example 3] In the three-layer laminate fabric of Example 3, a single circular knit fabric for the back layer was produced by knitting nylon multifilament raw silk with a total fineness of 8 dtex, 5 filaments, and a single yarn fineness of 1.6 dtex (8 dtex / 5f) on a 58-gauge circular knitting machine and dyeing and finishing. The single circular knit fabric obtained had 56 welters and 121 courses, and the ratio Vh of course number / welter number was 2.2. The length of the knitting yarn appearing on the face side of the single circular knit fabric was 122 μm.
[0082] On the other hand, the surface layer of the three-layer laminate fabric was prepared by treating the plain weave fabric with a fluorine-based water repellent agent, with the warp and weft both made of 56 dtex, 24 filament nylon multifilament false twist yarn. The middle layer was a hydrophilic nonporous resin film (thickness 14 μm) made of polyurethane resin.
[0083] A woven fabric for the surface layer was attached to one side of this hydrophilic nonporous resin film, and a single circular knit fabric for the back layer was attached to the other side so that the sinker loop surface sides were bonded to each other, to obtain a three-layer laminate fabric (104 g / m 2 The physical properties and evaluation results of this three-layer laminate fabric are shown in Tables 1 and 2.
[0084] [Example 4] In the three-layer laminate fabric of Example 4, a single circular knit fabric for the back layer was produced by knitting nylon multifilament raw silk with a total fineness of 22 dtex, 24 filaments, and a single yarn fineness of 0.9 dtex (22 dtex / 24 f) on a 58-gauge circular knitting machine and dyeing and finishing. The single circular knit fabric obtained had 54 welters and 95 courses, and the ratio Vh of course number / wel number was 1.8. The length of the knitting yarn appearing on the face side of the single circular knit fabric was 129 μm.
[0085] The surface layer and the intermediate layer were made of the same materials as in Example 1, and a single circular knit fabric for the back layer was attached so that the sinker loop surface was attached to the resin film surface to obtain a three-layer laminate fabric (101 g / m 2 The measured physical properties and evaluation results of this three-layer laminate fabric are shown in Tables 1 and 2.
[0086] [Example 5] In the three-layer laminate fabric of Example 5, a single circular knit fabric for the back layer was produced by knitting nylon multifilament raw silk with a total fineness of 17 dtex, 7 filaments, and a single yarn fineness of 2.4 dtex (17 dtex / 7f) on a 58-gauge circular knitting machine and dyeing and finishing. The single circular knit fabric obtained had a wel number of 47 and a course number of 130, and the ratio Vh value of the course number / wel number was 2.8. The length of the knitting yarn that appeared on the face side of the single circular knit fabric was 58 μm.
[0087] The surface layer and the intermediate layer were made of the same material as in Example 3, and a single circular knit fabric for the back layer was attached so that the sinker loop surface was attached to the resin film surface to obtain a three-layer laminate fabric (113 g / m 2 The measured physical properties and evaluation results of this three-layer laminate fabric are shown in Tables 1 and 2.
[0088] [Example 6] In the three-layer laminate fabric of Example 6, a single circular knit fabric for the back layer was produced by knitting polyester multifilament raw silk with a total fineness of 33 dtex, 36 filaments, and a single yarn fineness of 0.9 dtex (33 dtex / 36 f) as the knitting yarn on a 58-gauge circular knitting machine, followed by dyeing and finishing. The obtained single circular knit fabric had a wel number of 54 and a course number of 102, and the ratio Vh value of the course number / wel number was 1.9. The length of the knitting yarn appearing on the face side of the single circular knit fabric was 95 μm.
[0089] The surface layer and the intermediate layer were made of the same material as in Example 1, and a single circular knit fabric for the back layer was attached so that the sinker loop surface was bonded to the resin film surface to obtain a three-layer laminate fabric (116 g / m 2 The measured physical properties and evaluation results of this three-layer laminate fabric are shown in Tables 1 and 2.
[0090] [Example 7] While the above Examples 1 to 6 are examples of three-layer laminate fabrics, Example 7 is an example of a two-layer laminate fabric. In the two-layer laminate fabric of Example 7, a single circular knit fabric was produced by knitting a nylon multifilament raw silk having a total fineness of 22 dtex, 20 filaments, and a single yarn fineness of 1.1 dtex (22 dtex / 20 f) as the knitting yarn on a 58-gauge circular knitting machine and dyeing and finishing. The obtained single circular knit fabric had a wel number of 55 and a course number of 122, and the ratio Vh value of the course number / wel number was 2.2. The length of the knitting yarn that appeared on the face side of the single circular knit fabric was 89 μm.
[0091] On the other hand, a hydrophilic non-porous resin film (thickness 14 μm) made of a polyurethane resin was prepared as a resin film. A single circular knit fabric was attached to one side of this hydrophilic non-porous resin film so that the sinker loop side was adhered to the other side to obtain a two-layer laminate fabric (43 g / m 2 The physical properties and evaluation results of this two-layer laminate fabric are shown in Tables 1 and 2.
[0092] In order to compare with the three-layer laminate fabrics of Examples 1 to 6 and the two-layer laminate fabric of Example 7, three-layer laminate fabrics of Comparative Examples 1 to 3 were first produced and their physical properties, etc. were evaluated.
[0093] Comparative Example 1 In the three-layer laminate fabric of Comparative Example 1, a nylon multifilament raw silk having a total fineness of 8 decitex, 5 filaments, and a single yarn fineness of 1.6 decitex (8 dtex / 5f) is used as the knitting yarn of the single circular knit fabric for the back layer. This knitting yarn is the same as the knitting yarn used for the single circular knit fabric of Example 3. This knitting yarn was knitted on a 58-gauge circular knitting machine and dyed and finished to produce a single circular knit fabric. The obtained single circular knit fabric had a wel number of 78, a course number of 91, and a course number / wel number ratio Vh value of 1.2. Thus, the single circular knit fabric of Comparative Example 1 has a Vh value of less than 1.5 and does not satisfy the requirements of the present invention. The length of the knitting yarn that appeared on the face side of the single circular knit fabric was 167 μm.
[0094] The surface layer and the intermediate layer were made of the same material as in Example 3, and a single circular knit fabric for the back layer was attached so that the sinker loop surface was attached to the resin film surface to obtain a three-layer laminate fabric (105 g / m 2 The measured physical properties and evaluation results of this three-layer laminate fabric are shown in Tables 1 and 2.
[0095] As shown in Table 2, the snag property of the three-layer laminate fabric of Comparative Example 1 after 500 friction cycles was 0.0 grade, and through holes were formed, making it impossible to measure. In other words, the friction resistance of the three-layer laminate fabric of Comparative Example 1 is the same as that of conventional three-layer laminate fabrics, and does not have physical properties that allow it to withstand long-term use when used in clothing, etc.
[0096] Comparative Example 2 In the three-layer laminate fabric of Comparative Example 2, a tricot knit fabric with a double denbi structure was knitted as the knit fabric for the back layer using nylon multifilament raw silk with a total fineness of 8 dtex, 5 filaments, and a single yarn fineness of 1.6 dtex (8 dtex / 5f) for the knitting yarn, and was then dyed and finished. The tricot knit fabric had 32 wales and 69 courses. The same materials as in Example 3 were used for the surface layer and intermediate layer, and the three-layer laminate fabric (108 g / m2) of Comparative Example 2 was produced. 2 The measured physical properties and evaluation results of this three-layer laminate fabric are shown in Tables 1 and 2.
[0097] The three-layer laminate fabric of Comparative Example 2 is the same as the moisture-permeable waterproof fabric described in Patent Document 1 in that it uses a tricot knit fabric for the lining, and has the same problems as the moisture-permeable waterproof fabric of Patent Document 1. That is, the surface of the tricot knit fabric has an uneven structure, so the hook side of the hook-and-loop fastener, buttons, etc. are caught in this uneven structure and are easily deteriorated by wear. As shown specifically in Table 2, the three-layer laminate fabric of Comparative Example 3 has a snag property of 0.0 grade after 500 friction cycles, and through holes are formed, making it impossible to measure. In other words, the friction resistance of Comparative Example 3 is no different from that of a conventional three-layer laminate fabric, and when used in clothing, etc., it cannot withstand long-term use.
[0098] The physical properties and evaluation results measured for the three-layer laminate fabrics of Examples 1 to 6, the two-layer laminate fabric of Example 7, and the three-layer laminate fabrics of Comparative Examples 1 and 2 are summarized in Tables 1 and 2.
[0099] [Table 1]
[0100] [Table 2]
[0101] As shown in Table 2, the three-layer laminate fabrics according to Examples 1 to 6 and the two-layer laminate fabric according to Example 7 all had the highest snag property measurement results of grade 5.0 after 100 friction cycles, and thus had extremely excellent friction durability. In contrast, the three-layer laminate fabrics of Comparative Examples 1 and 2 had snag property measurements of grade 4.5 or less after 100 friction cycles, and further had measurements of grade 2.0 or less after 500 friction cycles, and thus were not suitable for use as clothing fabrics requiring durability. From these results, it became clear that the requirements of the present invention are essential to obtain extremely excellent friction durability in two-layer and three-layer laminate fabrics.
[0102] That is, as shown in Table 1, the two-layer and three-layer laminate fabrics of Examples 1 to 7 all have Vh values, which indicate the ratio of the number of courses C to the number of wells W, that exceed 1.5, and satisfy the requirement of the present invention that the Vh value be 1.5 or more. This results in extremely excellent snag properties, as shown in Table 2. In contrast, none of the three-layer laminate fabrics of Comparative Examples 1 and 2 satisfy the requirement that the Vh value be 1.5 or more.
[0103] Furthermore, as described above, the three-layer laminate fabric according to Example 2 is a laminate of a single circular knit fabric prepared in the same manner as in Example 1, with the needle loop surface being the joining surface with the resin film of the intermediate layer. In other words, the back surface of the three-layer laminate fabric according to Example 2 is the sinker loop surface, and this sinker loop surface is exposed to snagging by hook and loop fasteners and the like. However, as shown in Table 2, the snag properties of Example 2 are class 5.0 at 100 and 500 friction times, the same as in Example 1. Thus, the three-layer laminate fabric according to the present embodiment can significantly improve durability against snagging and friction compared to conventional methods, even when the surface exposed to friction is the sinker loop surface of the single circular knit fabric.
[0104] [Comparison of Examples 1, 2 and 7 with woven fabric linings by 3000 snags] Here, as an additional test, a comparison was made with a lining made of a woven fabric, which is generally considered to be less prone to snagging than knitted fabrics. For the woven fabric for the back layer, a plain weave fabric was woven using nylon multifilament false twist yarn with a total fineness of 17 decitex, 5 filaments, and a single yarn fineness of 3.4 decitex (17 dtex / 5f) for both the warp and weft, and then dyed and finished to produce the fabric. The plain weave fabric had a wale count of 143 and a course count of 102. The surface and intermediate layers were made of the same material as in Example 1, and a three-layer laminate fabric (97 g / m 2 ) was prepared.
[0105] A three-layer laminate fabric using this woven fabric as the lining was designated as Comparative Example 3, and in order to evaluate the friction durability in comparison with this Comparative Example 3, the snag properties were measured after 3000 friction cycles for the three-layer laminate fabrics of Examples 1 and 2 and the two-layer laminate fabric of Example 7. As a result, as shown in Table 3, Examples 1 and 7 were rated as grade 5.0, the same as the case where a woven fabric was used as the lining.
[0106] [Table 3]
[0107] In contrast, the three-layer laminate fabric of Comparative Example 3 had a snag property of grade 5.0 after 100, 500, and 3000 times, but used a woven fabric as the lining. Therefore, it was inferior in texture compared to the three-layer laminate fabrics of Examples 1 to 6 of the present invention, which used a single circular knit fabric as the lining. This made it clear that the object of the present invention, "to provide a laminate fabric using a single circular knit fabric that has excellent texture and light weight while having durability sufficient for applications requiring even higher friction durability, such as uniforms and combat uniforms," was achieved.
[0108] As described above, in the present invention, by specially knitting the single circular knit fabric used in the two-layer and three-layer laminate fabric, it is possible to obtain a laminate fabric with dramatically improved durability against snagging and abrasion.
[0109] In addition, to put the present invention in another perspective, the single circular knit fabric of the present invention is a single circular knit fabric with a plain weave used in a laminated fabric including a layer made of fiber, and is characterized in that the Vh value (C / W), which indicates the ratio of the warp density of the plain weave (number of courses C) to the weft density of the plain weave (number of wells W), is within the range of 1.5 or more and 3.0 or less.
[0110] In the single circular knitted fabric according to the present invention, the number of courses C is preferably 90 or more courses per inch.
[0111] The knitting yarn constituting the single circular knitted fabric is preferably a filament raw silk (straight yarn).
[0112] The knitting yarn of the single circular knitted fabric preferably has a fineness of 36 decitex or less.
[0113] In the single circular knitted fabric according to the present invention, the number of courses C is preferably 100 or more courses per inch.
[0114] Furthermore, in the single circular knitted fabric according to the present invention, it is preferable that the number of courses C is 110 or more per inch.
[0115] Further, a laminate fabric according to the present invention is a laminate fabric made using any one of the single circular knitted fabrics described above, The present invention is characterized by comprising at least the single circular knitted fabric and a base layer made of either or both of a resin film and a nonwoven fabric.
[0116] In the laminate fabric according to the present invention, at least one type of fabric selected from woven fabrics, knitted fabrics and nonwoven fabrics is preferably laminated on the opposite side of the single circular knit fabric with respect to the base layer.
[0117] The laminate fabric according to the present invention is preferably formed by laminating the sinker loop surface of the plain stitch structure of the single knit fabric as a joining surface with the base layer.
[0118] Furthermore, in a laminate fabric in which the sinker loop surface of the jersey structure of a single knit fabric is laminated as the joining surface with the base layer, it is preferable that the warp length of the knitting yarn appearing on the surface (needle loop surface) side of the jersey structure of the single knit fabric is 150 μm or less. [Industrial Applicability]
[0119] The laminate fabric of the present invention is extremely superior in abrasion resistance as compared with two-layer and three-layer laminate fabrics of the prior art, and has a good texture on both the front and back sides and is comfortable to wear, so that it can be used for various clothing applications such as rainwear, sportswear, work clothes, outdoor wear, leisure wear, uniforms, and combat uniforms.
[0120] In addition to clothing applications, the material can also be suitably used in fields such as tents, bags, and sleeping bags. [Explanation of symbols]
[0121] 10. Two-layer laminate fabric 12 Base layer 14 Single circular knit layer 20 Three-layer laminated fabric 21 Surface layer 22 Middle Class 24 Back layer 31,101 Knitting yarn 32,102 stitches 34,100 Single circular knit 103 Gap H Latitude direction (width direction) L is the length of the knitting yarn in the warp direction M Length of yarn appearing on the sinker loop surface N Warp direction (length direction)
Claims
1. A laminated fabric comprising at least a base layer made of one or both of a resin film and a nonwoven fabric, and a layer of a single circular knit fabric having a plain stitch structure, a Vh value (C / W) indicating a ratio of a density (number of courses C) in a warp direction of the plain weave to a density (number of wells W) in a weft direction of the plain weave is within a range of 1.5 or more and 3.0 or less, The knitting yarn of the single circular knitted fabric has a fineness of 36 decitex or less; A laminate fabric, wherein the number of wells W is within the range of 37 wells / inch or more and 70 wells / inch or less.
2. The single circular knit fabric has a basis weight of 38.3 g / m 2 2. The laminate fabric according to claim 1, wherein the thickness is within the following range:
3. 2. The laminate fabric according to claim 1, wherein at least one material selected from the group consisting of woven fabric, knitted fabric and nonwoven fabric is laminated on the opposite side of the base layer to the single circular knit fabric.
4. 2. The laminate fabric according to claim 1, wherein the number of courses C is 90 or more courses per inch.
5. 2. The laminated fabric according to claim 1, wherein the knitting yarn constituting the single circular knitted fabric is a filament raw yarn (straight yarn).
6. 2. The laminate fabric according to claim 1, wherein the number of courses C is 100 or more courses per inch.
7. 2. The laminate fabric according to claim 1, wherein the number of courses C is 110 or more courses per inch.
8. 2. The laminate fabric according to claim 1, wherein the sinker loop surface of the single knit fabric is laminated to the base layer as a joining surface.
9. 9. The laminated fabric according to claim 8, wherein the length in the warp direction of the knitting yarn appearing on the knitted surface (needle loop surface) side of the plain stitch structure is 150 μm or less.
10. A single circular knit fabric characterized in that it is used in a laminate fabric according to any one of claims 1 to 9.
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