Knitted fabric and clothing using said knitted fabric

Abstract

The present invention provides a knitted fabric that is particularly light in weight and has excellent water absorption properties compared to conventional products. The knitted fabric of the present invention is made of cotton yarn. The twist coefficient of the cotton yarn is 2.0 or more and 3.4 or less (Feature 1). The cotton yarn has an English cotton count of 60 to 100 (equivalent to single yarn) (Feature 2). The knitted fabric is made of a plain stitch weave of two or more layers (Feature 3). The fabric mass of the knitted fabric is 150 g / m 2 The knitted fabric has a saturated water absorption capacity of four times or more the mass of the fabric (Feature 5). The knitted fabric of the present application is suitable for use as a clothing fabric.

Description

[Technical field]

[0001] The present invention relates to a knitted fabric which is particularly superior in terms of lightness and water absorbency as compared with conventional products. [Background technology]

[0002] Woven and knitted fabrics are used for clothing. Woven fabrics are made by intersecting warp and weft threads. Knitted fabrics are made by making continuous loops in a single thread, then repeatedly entangling the threads in the loops to make more loops.

[0003] Compared to woven fabrics, knitted fabrics are more elastic, breathable, and soft to the touch, and these properties are utilized for knitted fabrics in clothing.

[0004] There are two types of knitting: warp knitting and weft knitting. In warp knitting, many warp threads are arranged in parallel and warped to create stitches vertically. In weft knitting, a single thread is knitted horizontally, forming loops. Circular knitting is a form of weft knitting.

[0005] Although various materials can be used for knitted fabrics, they are often made from cotton yarn because of their pleasant feel against the skin (for example, Patent Document 1). [Prior art documents] [Patent documents]

[0006] [Patent Document 1] JP 2023-150772 A Summary of the Invention [Problem to be solved by the invention]

[0007] As described above, knitted fabrics made of cotton yarn are suitable for clothing. On the other hand, light weight is important for application to clothing. In particular, when used for loungewear or sleepwear, if the wearer feels a weight burden, it is difficult for them to relax.

[0008] The weight can be reduced by making the knitted fabric thinner, but the water absorbency of the thin fabric is significantly reduced. In other words, it is difficult to achieve both light weight and water absorbency.

[0009] The present invention is intended to solve the above problems, and has an object to provide a knitted fabric that has excellent water absorbency while maintaining light weight, and a garment using said knitted fabric. [Means for solving the problem]

[0010] In order to solve the above problems, the present invention provides a knitted fabric made of cotton yarn. The twist coefficient of the cotton yarn is 2.0 to 3.4. The cotton yarn has an English cotton count of 60 to 100 (equivalent to single yarn). The knitted fabric is formed of a plain stitch weave of two or more layers. The fabric mass is 150 g / m 2 The saturated water absorption capacity is 4 times or more the mass of the fabric.

[0011] The saturated water absorption capacity is the upper limit of the amount of water that a fabric can absorb. However, in the case of clothing, if it takes a long time to absorb water, it can cause discomfort, so for convenience, the saturated water absorption capacity is the amount of water absorbed within 180 seconds. Generally, the saturated water absorption capacity is 200g / m 2 For the following cotton clothing fabrics, the time it takes to reach saturation water absorption is between 60 and 120 seconds; fabrics that take longer than that do not give the sensation of absorbing moisture.

[0012] This allows for excellent water absorption while maintaining light weight.

[0013] Preferably, the cotton yarn is formed by untwisting a twisted dissolving yarn by dissolving it.

[0014] This results in a weakly twisted cotton yarn.

[0015] Preferably, the untwisting rate of the soluble yarn is 15-50%.

[0016] This results in a weakly twisted cotton yarn with a twist factor of 2.0 to 3.4.

[0017] Preferably, the two or more layers of plain stitch fabric include a first plain stitch fabric and a second plain stitch fabric, and the back side of the first plain stitch fabric and the back side of the second plain stitch fabric are bonded to each other.

[0018] This allows for even better water absorption.

[0019] The present invention, which aims to solve the above-mentioned problems, provides a method for producing the above-mentioned knitted fabric, which comprises cross-twisting a dissolving yarn with a cotton yarn having a twist factor of more than 3.4 to form a cross-twisted yarn, forming a plain weave of two or more layers with the cross-twisted yarn, dissolving the dissolving yarn, and untwisting the cotton yarn.

[0020] This results in a weakly twisted yarn with a twist factor of 2.0 to 3.4.

[0021] In order to solve the above problems, the present invention provides a knitted fabric made of cotton yarn. The twist coefficient of the cotton yarn is 2.0 to 3.4. The cotton yarn has an English cotton count of 60 to 100 (equivalent to single yarn). The knitted fabric is formed of one or more layers of interlock structure. The fabric mass is 150 g / m 2 The saturated water absorption capacity is 4 times or more the mass of the fabric.

[0022] This allows for excellent water absorption while maintaining light weight.

[0023] In order to solve the above problems, a garment of the present invention is formed from the above knitted fabric.

[0024] This allows sweat from the body to be quickly absorbed and removed from inside the garment, preventing the wearer from feeling sticky or stuffy due to sweat and maintaining a refreshing feeling. Effect of the Invention

[0025] The knitted fabric of the present invention has excellent water absorption while maintaining light weight, i.e., high water absorption capacity and high water absorption speed.

[0026] The water absorption ratio is the ratio of the amount of water absorbed to the mass of the fabric. The water absorption rate is the speed at which the fabric absorbs water. Here, it is expressed as the amount of water absorbed by the fabric per second, and the maximum rate recorded during the measurement is used as the water absorption rate.

[0027] Clothing made using the knitted fabric of the present invention can quickly absorb sweat from the body and remove it from inside the clothing, allowing the wearer to maintain a refreshing feeling without feeling sticky or stuffy due to sweat. [Brief description of the drawings]

[0028] [Figure 1] Comparison of regular cotton yarn and weakly twisted yarn [Diagram 2] Image of weak twist yarn formation [Diagram 3] Comparison of fine and thick yarn count knitted fabrics [Figure 4] Double layer jersey composition image [Diagram 5] Comparison of water absorption capacity between Example 1 and Comparative Example 1 [Figure 6] Comparison of water absorption capacity between Example 2 and Comparative Example 2 [Figure 7] Interlock configuration diagram [Figure 8] Comparison of water absorption capacity between Example 3 and Comparative Example 3 [Figure 9] Reference example Water absorption capacity [Figure 10] Changes in the environment (humidity) inside clothing over time [Figure 11] Changes in temperature inside clothing over time DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0029] ~ Overview ~ The present invention is a knitted fabric made of cotton yarn. Cotton yarn is made by twisting cotton fibers. Unless otherwise specified, it is made of 100% cotton fibers. However, if it can be regarded as being substantially 100% cotton fiber (for example, 90% or more cotton), it will be treated as a cotton yarn.

[0030] The twist factor K of the cotton yarn of this application is 2.0 or more and 3.4 or less (characteristic 1). In other words, a weakly twisted yarn is used. Note that the factor K of ordinary cotton twisted yarn (hereinafter referred to as ordinary twisted yarn) is 3.6 or more and 4.3 or less. The twist factor is defined as the number of twists per unit length / the square root of the English yarn count.

[0031] Figure 1 shows a cross-sectional comparison image of a normal twist yarn (Figure 1A) and a weak twist yarn (Figure 1B). They are made from the same amount of cotton fibers and have the nominally same yarn count.

[0032] Even with the same yarn count, weakly twisted yarn expands softer than normally twisted yarn, i.e. it appears slightly thicker.

[0033] The weakly twisted yarn contains more internal voids than the normally twisted yarn, and it is speculated that these voids induce the capillary phenomenon.

[0034] The weakly twisted yarn does not only have a lower twist factor than the normally twisted yarn, but may also be formed by untwisting twisted dissolving yarns by dissolving them.

[0035] Figure 2 shows an example of weakly twisted yarn. The top image shows normal twisted yarn and dissolved yarn, and the bottom image shows cross-twisted yarn.

[0036] Ordinary twisted yarn is formed by twisting fibers such as cotton. A dissolving yarn (e.g., a water-soluble yarn) is then wound around the ordinary twisted yarn in the opposite direction to the twist direction to form a cross-twisted yarn. By dissolving and removing the dissolving yarn, the twist of the ordinary twisted yarn is reversed to form a weakly twisted yarn. At this time, the yarn softens and swells, forming gaps between the fibers.

[0037] For example, if the ordinary twist yarn is twisted 100 times and the soluble yarn is twisted 15 times, a weakly twisted yarn with a twist of 85% after untwisting is formed. The untwist rate in this case is 15%. Similarly, if the ordinary twist yarn is twisted 100 times and the soluble yarn is twisted 50 times, a weakly twisted yarn with a twist of 50% after untwisting is formed. The untwist rate in this case is 50%. The untwist rate in this application is 15-50%.

[0038] If the untwisting rate is less than 15%, no clear gaps are formed and the effect of the present application cannot be obtained. If the untwisting rate is more than 50%, the strength of the yarn becomes insufficient, making it difficult to form the product. Furthermore, the untwisting rate of the present application is preferably 20-40%.

[0039] In addition, if the number of twists of the normal twisted yarn is 100 and the number of twists of the dissolving yarn is 170, a weakly twisted yarn with a twist of 70% after untwisting is formed. This is treated as the same as an untwist rate of 30%.

[0040] If the number of twists of the normal twisted yarn is 100 and the number of twists of the dissolving yarn is 100, a non-twisted yarn with 0% twist after untwisting is formed. The twist factor K of the non-twisted yarn is zero.

[0041] If non-twist yarn or yarn equivalent to non-twist yarn is used in the knitted fabric, the kickback properties of the knitted fabric will be impaired, and therefore non-twist yarn is not used in this application.

[0042] The cotton yarn of this application has an English cotton count of 60 to 100 (equivalent to single yarn) (Characteristic 2). For knitted fabrics such as plain jersey and interlock, an English cotton count of 20 to 40 (equivalent to single yarn) is often used.

[0043] Figure 3 is a comparative image diagram of loops of a fine-count knitted fabric (Figure 3A) and loops of a coarse-count knitted fabric (Figure 3B). Note that the loops in this application are part of the knitted fabric structure and are different from loops in pile woven fabrics and loops in pile knitted fabrics.

[0044] The knitted fabric of this application is intended to be used for clothing. Therefore, light weight is also important, and the fabric mass of the knitted fabric is 150g / m 2 The following is (Feature 4).

[0045] As a result, the knitting density (wale x course) is adjusted so that the mass falls within a specified range by shortening the loop interval in fine-count knitted fabric structures and lengthening the loop interval in thick-count knitted fabric structures. Specifically, the knitting density is adjusted by the gauge number of the knitting machine.

[0046] The gaps formed between the loops of a fine-count knitted fabric are narrower and the number of gaps is greater than those between the loops of a coarse-count knitted fabric, and it is presumed that these gaps induce capillary action.

[0047] In addition, fine-count knitted fabrics have a denser structure and a greater number of yarns than coarse-count knitted fabrics, which is believed to result in the more reliable effect of Feature 1 of the present invention.

[0048] Therefore, if the count is thicker than British cotton count 60, the fabric will be heavy and the knitting density will be coarse, and the effect of the present invention will not be obtained. If the count is thicker than British cotton count 100, the strength of the yarn will be insufficient, making it difficult to form the product. Furthermore, the cotton count of the present invention is preferably 70 to 90 (equivalent to single yarn). Note that single yarn count 60 is equivalent to two-ply yarn count 120, and single yarn count 100 is equivalent to two-ply yarn count 200.

[0049] Furthermore, if an extremely fine yarn count is applied to the knitted fabric, the kickback property of the knitted fabric is impaired, and therefore, in this application, an extremely fine yarn count is not applied.

[0050] The knitted fabric of this application is formed from two or more layers of jersey weave (Feature 3). Jersey knit, also known as plain knit, is the most basic weft knitting structure, and is knitted with a single row of needles, resulting in the same knit structure continuing vertically and horizontally. The stitches on the front and back are different, with the stitches on the front side being vertical and the stitches on the back side being horizontal. For ease of explanation, the following examples will be described as double jersey. Unless otherwise specified in this application, jersey weave is, in principle, a single-ply structure.

[0051] Fig. 4 is a diagram showing the structure of a double-layered jersey. A first jersey fabric and a second jersey fabric are laminated via a bonded weave. The details of the bonded weave are omitted to avoid complicating the illustration. Fig. 4A is a schematic perspective view, and Fig. 4B is a partial plan view.

[0052] Although the plain weave has a clear front and back side, the back side of the first plain weave may be joined to the front side of the second plain weave, or the back side of the first plain weave may be joined to the back side of the second plain weave, or the front side of the first plain weave may be joined to the front side of the second plain weave.

[0053] It is assumed that the space formed by laminating the first and second jersey weaves functions as a kind of temporary water storage, similar to the gaps between fibers and between threads. In particular, when the back of the first jersey weave and the back of the second jersey weave are bonded together, the convex surfaces face each other, reducing the contact area between the two layers and increasing the number of gaps. This is preferable because it increases the capillary phenomenon and the water storage space.

[0054] The knitted fabric of this application is intended to be used for clothing. Therefore, light weight is also important, and the fabric mass of the knitted fabric is 150g / m 2 The following is (Feature 4). When the constituent elements and the cotton yarn count are limited, the density of the weave and the thickness of the fabric are necessarily limited to a certain range.

[0055] Furthermore, the mass of the knitted fabric is 80 to 130 g / m 2 About 80g / m 2 Below this, the texture becomes too coarse or thin to achieve the desired effect.

[0056] The saturated water absorption of the knitted fabric of the present application is four times or more the mass of the fabric (Feature 5). In other words, by providing Features 1 to 4 of the knitted fabric of the present application, it is possible to achieve both light weight and water absorbency.

[0057] Increasing the fabric mass (ignoring the light weight) increases the amount of water absorbed. In this application, since the aim is not simply to obtain a large amount of water absorption, but to achieve both light weight and water absorbency, the saturated water absorption amount per fabric mass, i.e., the water absorption ratio, is used as an index.

[0058] The water absorption is a value measured by the JIS L1907 surface water absorption method. The saturated water absorption is the water absorption amount at the time when the amount of water absorbed by the fabric reaches an equilibrium state over time. Generally, cotton fabrics often reach the saturated water absorption amount within 120 seconds, so in this application, the measurement was performed up to 180 seconds, and the value at the time 180 seconds passed was taken as the saturated water absorption. The mass of the fabric is the mass of the sample size specified in the JIS L1907 surface water absorption method.

[0059] ~Example 1~ In order to verify the relationship between the feature 1 (twist factor) of the present invention and the effects of the present invention, Example 1 and Comparative Example 1 were compared. [Table 1]

[0060] Both Example 1 and Comparative Example 1 were made of double plain stitch fabric with a British cotton count of 80. The gauge number was G24.

[0061] In Example 1-1, the untwist rate was 20% and the twist factor was 3.1. In Example 1-2, the untwist rate was 30% and the twist factor was 2.8. In Example 1-3, the untwist rate was 50% and the twist factor was 2.0.

[0062] In Comparative Example 1-1, the twist factor was 4.0 (normal twist yarn).In Comparative Example 1-2, one of the double plain weaves had a twist factor of 4.0 (normal twist yarn) and the other had a twist factor of 2.0 (weak twist yarn).

[0063] The mass of the knitted fabric is 150g / m 2 The values ​​were adjusted to be as close as possible to the above.

[0064] 5 is a diagram comparing the water absorption capacity of Example 1 and Comparative Example 1. The horizontal axis is elapsed time (S), and the vertical axis is water absorption capacity (saturated water absorption amount per unit mass (dimensionless)). The water absorption capacity after 180 seconds was defined as the water absorption capacity at saturation.

[0065] The water absorption capacity of Example 1-1 was 5.1. The water absorption capacity of Example 1-2 was 4.2. The water absorption capacity of Example 1-3 was 4.6. All of them achieved a water absorption capacity of 4.0 or more.

[0066] The water absorption capacity of Comparative Example 1-1 was 4.4. The water absorption capacity of Comparative Example 1-2 was 5.0. All of them achieved a water absorption capacity of 4.0 or more. However, while all of Example 1 exceeded the water absorption capacity of 4.0 at 40 seconds, Comparative Example 1-1 exceeded the water absorption capacity of 4.0 at 160 seconds. Comparative Example 1-2 exceeded the water absorption capacity of 4.0 at 60 seconds.

[0067] Example 1 and Comparative Example 1 were compared in terms of maximum water absorption rate (ml / s) measured by the JIS L 1907 surface water absorption method.

[0068] The water absorption rate of Example 1-1 was 0.13, the water absorption rate of Example 1-2 was 0.16, and the water absorption rate of Example 1-3 was 0.07.

[0069] The water absorption rate of Comparative Example 1-1 was 0.02, and the water absorption rate of Comparative Example 1-2 was 0.03.

[0070] The knitted fabric of the present application is intended to be used in clothing, and specifically, is intended to quickly absorb sweat from the body and remove it from inside the clothing.

[0071] Therefore, the water absorption rate is also an important index. For the sake of convenience, in this application, examples include those with a maximum water absorption rate (ml / s) of 0.05 or more as measured by the JIS L 1907 surface water absorption method, and comparative examples include those with a maximum water absorption rate of less than 0.05.

[0072] From the comparison results between Example 1 and Comparative Example 1, it is presumed that a good water absorption rate can be achieved by an appropriate twist factor.

[0073] Furthermore, when Comparative Example 1-1 and Comparative Example 1-2 are compared, it is presumed that the water absorption rate can be improved by providing an appropriate twist coefficient for one of the double plain weaves.

[0074] ~Example 2~ In order to verify the relationship between the characteristic 2 of the present invention (cotton yarn count) and the effects of the present invention, Example 2 and Comparative Example 2 were compared. [Table 2]

[0075] Both Example 2 and Comparative Example 2-1 were made of double plain stitch fabric with a twist factor of 2.8.

[0076] In Example 2-1, the British cotton count was 80. The gauge number was G24. In Example 2-2, the British cotton count was 100. The gauge number was G28. In Example 2-3, the cotton yarn count was 60. The gauge number was G22. If a British cotton count of more than 100 was used, the strength of the yarn would be insufficient and it would be difficult to form the product, so it was not verified in the examples. In Comparative Example 2-1, the British cotton count was 40. The gauge number was G18.

[0077] Incidentally, Example 1-2 and Example 2-1 are substantially the same.

[0078] In Examples 2-1 to 2-3, the mass of the knitted fabric is 150 g / m 2 The fabric mass of Comparative Example 2-1 was adjusted to be 150 g / m2. However, if the gauge number was 22 or less, the knitting density would be too coarse, so Example 2-3 was slightly heavy. m 2 It became super.

[0079] 6 is a graph comparing the water absorption capacity of Example 2 and Comparative Example 2. The horizontal axis indicates the elapsed time (S), and the vertical axis indicates the water absorption capacity (amount of saturated water absorption per unit mass (dimensionless)). The water absorption capacity after 180 seconds was defined as the water absorption capacity at saturation.

[0080] The water absorption capacity of Example 2-1 was 4.2. The water absorption capacity of Example 2-2 was 4.9. The water absorption capacity of Example 2-3 was 4.2. All of them achieved a water absorption capacity of 4.0 or more.

[0081] The water absorption capacity of Comparative Example 2-1 was 3.2. Comparative Example 2-1 has a large unit mass and sufficient water absorption capacity, but the water absorption capacity is low because of the large unit mass.

[0082] From the comparison results between Example 2 and Comparative Example 2, it is inferred that a balance between light weight and water absorbency can be achieved by using an appropriate cotton yarn count.

[0083] In Example 2, the maximum water absorption rate (ml / s) measured by the JIS L 1907 surface water absorption method was confirmed. The water absorption rate of Example 2-1 was 0.16. The water absorption rate of Example 2-2 was 0.05. The water absorption rate of Example 2-3 was 0.06. All of them were 0.05 or more.

[0084] In order to verify the relationship between Feature 3 (double plain stitch) of the present invention and the effects of the present invention, Comparative Example 2-1 and Comparative Example 2-2 were compared.

[0085] In both Comparative Example 2-1 and Comparative Example 2-2, cotton yarn with a twist factor of 2.8 and a British cotton yarn count of 40 was used.

[0086] Comparative Example 2-1 is a double plain stitch weave, whereas Comparative Example 2-2 is a single plain stitch weave. As a result, the fabric weights are also different.

[0087] The absorbency of Comparative Example 1-2 was 3.2. The absorption rate was 0.08. The absorbency of Comparative Example 2-2 was 2.4. The absorption rate was 0.02. It is presumed that the good absorbency and absorption rate can be achieved by the temporary water storage function formed between the double plain weave layers.

[0088] ~Variations~ The knitted fabrics according to the above embodiment and the modified examples have in common Feature 1 (twist coefficient), Feature 2 (cotton yarn count), Feature 4 (fabric mass), and Feature 5 (water absorbency).

[0089] The above embodiment has a double plain stitch structure (Feature 3-1 of the present application), whereas the knitted fabric according to the modified example has an interlock structure (Feature 3-2 of the present application). Note that the interlock structure is sometimes called smooth.

[0090] Figure 7 is an image of the structure of interlock knit. In plain knit, the stitches are different on the front and back, with the stitches running vertically on the front and horizontally on the back, whereas interlock knit is a knit structure in which two milling knit structures are combined so that the front and back are the same. Milling knit is a knit structure in which the front and back of plain knit appear alternately, and is characterized by symmetrical unevenness on the front and back.

[0091] In other words, a double jersey weave has two jersey weaves, while an interlock weave can be interpreted as 1.5 jersey weaves.

[0092] As a result, it is presumed that Feature 3-2 (interlock structure) of the present application exhibits a temporary water storage function similar to Feature 3-1 (double plain stitch structure) of the present application.

[0093] ~Example 3~ In the modified example as well, in order to verify the relationship between Feature 1 (twist factor) of the present application and the effects of the present application, Example 3 was compared with Comparative Example 3. [Table 3]

[0094] Both Example 3 and Comparative Example 3 had an interlock structure with British cotton count of 100. The gauge number was G28.

[0095] In Example 3-1, the untwist rate was 20% and the twist factor was 3.1. In Example 3-2, the untwist rate was 30% and the twist factor was 2.8. In Example 3-3, the untwist rate was 50% and the twist factor was 2.0. In Comparative Example 3, the twist factor was 4.0 (twisted yarn).

[0096] The mass of the knitted fabric is 150g / m 2 The values ​​were adjusted to be as close as possible to the above.

[0097] 8 is a diagram comparing the water absorption capacity of Example 3 and Comparative Example 3. The horizontal axis indicates the elapsed time (S), and the vertical axis indicates the water absorption capacity (amount of saturated water absorption per unit mass (dimensionless)). The water absorption capacity after 180 seconds was defined as the water absorption capacity at saturation.

[0098] The water absorption capacity of Example 3-1 was 4.5. The water absorption capacity of Example 3-2 was 4.6. The water absorption capacity of Example 3-3 was 4.8. All of them achieved a water absorption capacity of 4.0 or more. The water absorption capacity of Comparative Example 3 was 4.7.

[0099] No significant difference in water absorption capacity was observed between Example 3 and Comparative Example 3. However, in Example 3, the water absorption capacity exceeded 4.0 after 20 to 25 seconds, whereas in Comparative Example 3, the water absorption capacity exceeded 4.0 after 70 seconds.

[0100] Example 3 and Comparative Example 3 were compared in terms of maximum water absorption rate (ml / s) measured by the JIS L 1907 surface water absorption method.

[0101] The water absorption rate of Example 3-1 was 0.19. The water absorption rate of Example 3-2 was 0.09. The water absorption rate of Example 3-3 was 0.11. The water absorption rate of Comparative Example 3 was 0.04. That is, Example 3 had a water absorption rate of 0.05 or more, and Comparative Example 3 had a water absorption rate of less than 0.05.

[0102] From the comparison results between Example 3 and Comparative Example 3, it is presumed that a good water absorption rate can be achieved by an appropriate twist factor.

[0103] ~Reference example~ The reference example is a product sold by a major clothing manufacturer. It is advertised as being highly absorbent and quick-drying, and quickly absorbing sweat from the body and removing it from inside the clothing. We investigated as many specifications as possible from the product.

[0104] Reference Example 1 is a single-ply jersey made of cotton yarn and polyester yarn. The fabric weight is 182g / m2 The knitted fabric has a cotton blend ratio of about 70%, and is not considered a cotton knitted fabric in this application. Reference Example 2 is a single-ply jersey fabric made of polyester yarn and polyurethane yarn. The fabric mass is 103 g / m 2 It is.

[0105] 9 is a graph showing the water absorption capacity of the reference example. The horizontal axis indicates the elapsed time (S), and the vertical axis indicates the water absorption capacity (amount of saturated water absorption per unit mass (dimensionless)). The water absorption capacity after 180 seconds was defined as the water absorption capacity at saturation.

[0106] The water absorption capacity of Reference Example 1 was 2.0. The water absorption capacity of Reference Example 2 was 2.6. All of the water absorption capacities were less than 4.0.

[0107] The water absorption rate of Reference Example 1 was 0.10, and the water absorption rate of Reference Example 2 was 0.09.

[0108] When Examples 1 to 3 of the present application are compared with the Reference Example, the water absorption rates are similar, but there is a significant difference in the water absorption capacity.

[0109] In other words, although both the product of the present application and the product of the reference example have a similar function of quickly absorbing sweat from the body and removing it from inside the clothing, it is presumed that as the amount of sweat increases, this function decreases in the product of the reference example, whereas the product of the present application maintains this function even when the amount of sweat is large.

[0110] The superiority of cotton yarn as a material can be inferred. Also, in the reference examples where the main component is chemical fiber, the idea of ​​weak twist yarn is unlikely to occur.

[0111] ~Environment inside clothes~ The knitted fabric of this application is intended to be used in clothing. It is intended to quickly absorb sweat from the body and remove it from inside the clothing. The wearer will not feel sticky or stuffy due to sweat, and will be able to maintain a refreshing feeling.

[0112] The changes in the environment inside the garments were compared for the garments knitted in Example 1 (double jersey) of the present application (specifically, Example 1-2), Example 3 (interlock) of the present application (specifically, Example 3-2), Comparative Example 2 (cotton twisted yarn jersey) (specifically, Comparative Example 2-2), and Reference Example (commercially available product) (specifically, Reference Example 2).

[0113] The clothing in-house environment measurement system can reproduce the in-house environment (temperature and humidity) by controlling the water vapor inside the housing.

[0114] After resting for 15 minutes, 100ml / m 2 A sweating condition was recreated by supplying water vapor at 1000 g / h, and the sweating condition was continued for 45 minutes.

[0115] Figure 10 shows the humidity change during the clothing environment test. Figure 11 shows the temperature change during the clothing environment test.

[0116] Under normal conditions, the humidity is stable at about 50% in each of Example 1, Example 3, Comparative Example 2, and Reference Example, and the temperature is also stable at 28.0 to 28.5 degrees.

[0117] In the sweating state, the humidity increases monotonically in Example 1, Example 3, Comparative Example 2, and Reference Example. Looking at the details, the humidity balances at about 75% in Example 1 and at about 80% in Example 3, whereas the humidity continues to increase monotonically even when it approaches 90% in both Comparative Example 2 and Reference Example.

[0118] This suggests that Examples 1 and 3 of the present application have the function of absorbing moisture and expelling it to the outside of the clothing, whereas Comparative Example 2 and Reference Example have an insufficient function.

[0119] As the humidity increases, the temperature also increases in Example 1, Example 3, Comparative Example 2, and Reference Example. Looking at the details, the temperature increase is small in Example 1 and Example 3, and the temperature starts to drop relatively quickly and returns to the normal state. In other words, the environment inside the clothing is stable. In contrast, in Comparative Example 2 and Reference Example, the temperature increase is large, the temperature starts to drop slowly, and the temperature returns to the normal state slowly.

[0120] The results of the in-garment environment test suggest that Examples 1 and 3 of the present application are able to suppress stickiness and stuffiness caused by sweat and maintain a refreshing wearing comfort, whereas Comparative Example 2 and the Reference Example suggest that this function is insufficient.

[0121] Other specifications were also compared between Example 1, Example 3, Comparative Example 2, and Reference Example. Example 1 and Example 3 were superior in terms of lightness (fabric weight), breathability, and heat retention compared to Comparative Example 2 and Reference Example.

[0122] In addition, due to the difference in basic structure, Example 1 (fabric thickness 10.0 mm) and Example 3 (fabric thickness 8.2 mm) of the present application were thicker than Comparative Example 2 (fabric thickness 7.4 mm) and Reference Example (fabric thickness 5.8 mm). The knitted fabric of the present application preferably has a thickness of 7.5 mm or more.

[0123] ~Summary~ The knitted fabric of the present invention is lightweight, breathable, and has excellent heat retention properties, making it suitable for use as a clothing material.

[0124] The knitted fabric of the present invention has a high water absorption capacity. In other words, it has a high water absorption capacity while maintaining a light weight. Furthermore, it has a high water absorption rate.

[0125] As a result, the garment of the present invention can quickly absorb sweat from the body and remove it from inside the garment, allowing the wearer to maintain a refreshing feeling without feeling sticky or stuffy due to sweat.

Claims

1. A knitted fabric made of cotton yarn, The twist coefficient of the cotton yarn is 2.0 or more and 3.4 or less, The cotton yarn has an English cotton count of 60 to 100 (equivalent to single yarn), It is made of two or more layers of plain weave. The fabric mass is 150 g / m2 or less, The saturated water absorption capacity is more than four times the mass of the fabric. A knitted fabric characterized by:

2. The cotton yarn is formed by untwisting the twisted dissolving yarn by dissolving it.

2. The knitted fabric according to claim 1 .

3. The untwisting rate of the soluble yarn is 15-50%.

3. The knitted fabric according to claim 2.

4. The two or more layers of plain stitch fabric include a first plain stitch fabric and a second plain stitch fabric, The back side of the first plain stitch fabric and the back side of the second plain stitch fabric are bonded together.

2. The knitted fabric according to claim 1 .

5. A cotton yarn having a twist factor of more than 3.4 is twisted with a dissolved yarn to form a twisted yarn. The twisted yarns are used to form two or more layers of plain weave fabric, The dissolving yarn is dissolved and the cotton yarn is untwisted. A method for producing the knitted fabric according to claim 1.

6. A knitted fabric made of cotton yarn, The twist coefficient of the cotton yarn is 2.0 or more and 3.4 or less, The cotton yarn has an English cotton count of 60 to 100 (equivalent to single yarn), formed from one or more layers of interlocking tissue; The fabric mass is 150 g / m2 or less, The saturated water absorption capacity is more than four times the mass of the fabric. A knitted fabric characterized by:

7. A knitted fabric according to claim 1 or 6 is used. A garment characterized by: