Knitted fabric, pad and fiber product

Abstract

To provide a knitted fabric, which is suitably used for a pad for clothing and bedding due to excellent compressibility and recoverability and includes a chenille yarn, and also to provide a fiber product using the same.SOLUTION: A knitted fabric includes a chenille yarn. The knitted fabric has compression ratio of 75% or more when being evaluated according to JIS L1097:1982.SELECTED DRAWING: None

Description

[Technical field]

[0001] The present invention relates to a knitted fabric containing mohair yarn, and a stuffing and a textile product using the same. [Background technology]

[0002] The filling for clothing, bedding, etc. is made of materials made from natural fibers such as animal fibers and plant fibers, or synthetic fiber batting made from synthetic fibers, which prevents internal heat from being released to the outside and ensures heat retention even in cold environments such as in cold regions. Feathers are a typical example of natural fibers used for filling. Feathers have a variety of functions, including their complex structure, moisture absorption and heat generation derived from their protein fibers, making them an excellent filling material. However, feathers cannot be washed at home in principle and due to animal welfare considerations, and because they are composed of proteins, it can be difficult to impart desired functions to them. As a result, there is a growing demand for synthetic filling material made from synthetic fibers that can be imparted with functionality. There are many technical proposals for synthetic fiber filling in various material forms such as non-woven cotton, granular cotton, and long-fiber cotton. Taking advantage of these forms, there is an increasing number of products being developed that not only pursue heat retention, but also offer comfort and convenience in line with how customers use the product.

[0003] However, with conventional synthetic fiber filling, if the filling volume varies, cold spots will occur where internal heat escapes through the sparse areas. To prevent this, it is necessary to fill the bag formed by sewing into the side fabric of a jacket, etc., i.e., the down pocket, with an excess of synthetic fiber filling relative to its volume, to create a state in which there are no sparse or sparse areas. On the other hand, compared to short fiber filling, long fiber filling is less likely to move within the down pocket, and cold spots are less likely to form even if it is not overfilled. In particular, in sheet-like products composed of knitted fabrics using mohair yarn, which has excellent bulkiness, constraint points are formed between adjacent mohair yarns, so there is almost no movement within the down pocket, the occurrence of cold spots due to the density of the filling is suppressed, and there are advantages in that the amount of filling can be easily controlled to suit the shape of the sewn product.

[0004] There have been several proposals for sheet-like materials using such mohair yarn. Patent Document 1 proposes a soft mohair yarn that has excellent bulk and cushioning properties, excellent resilience and shape recovery properties, and little settling, as well as a woven or knitted fabric that uses this mohair yarn and has an extremely excellent texture and excellent cushioning properties despite being bulky and lightweight. In Patent Document 2, the present inventors proposed a knitted fabric for stuffing, which is excellent in handleability during sewing and easy care, as a knitted fabric made of mohair yarn having improved bulkiness, in which a decorative yarn is fused and fixed between a core yarn and a presser yarn of the mohair yarn and a decorative yarn having crimp is used. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] JP 2018-048412 A [Patent Document 2] Patent application No. 2023-023413 Summary of the Invention [Problem to be solved by the invention]

[0006] The mohair yarn described in Patent Document 1 is bulky and has excellent resilience and recovery properties when used for decorative fringe threads and mats, which are the applications of mohair yarn. However, the structure of the fringe yarn portion is dense and has low bulk, which results in low compressibility and recovery properties. Therefore, when used for clothing, bedding, etc., the ease of storage and recovery properties are insufficient. The knitted fabric made of mohair yarn described in Patent Document 2 is a bulky synthetic fiber filling that can be used in textile products such as clothing and bedding. By using a sheet-like material composed of knitted fabric, the filling is less likely to move within the side fabric, and the filling can be filled evenly without having to fill the side fabric in a sufficient amount.

[0007] Recently, the development of inner downs using synthetic fiber filling has been increasing in order to appeal to functionality, and for such applications, it is required that the fabric can be stored compactly and has excellent compression and recovery. When the knitted fabric of Patent Document 2 is applied to such applications as inner downs, the thread structure of the mohair yarn and the structure of the knitted fabric are not sufficiently optimized in terms of ease of compression and folding, and the resistance to compression in the thickness direction of the knitted fabric is too low, so that the thickness of various products tends to decrease when made into products, and the recovery when taken out is slow, so that it takes time for the product characteristics to be expressed. [Means for solving the problem]

[0008] In order to achieve the above object, the knitted fabric of the present invention has the following configurations (1) to (8). (1) A knitted fabric containing mohair yarn, characterized in that the compression ratio of the knitted fabric evaluated in accordance with JIS L1097:1982 is 75% or more. (2) The knitted fabric according to (1), characterized in that the compression recovery rate of the knitted fabric evaluated in accordance with JIS L1097:1982 is 70% or more. (3) The knitted fabric according to (1) or (2), characterized in that the number of single filaments of the mohair yarn in the filament yarn contained in the knitted fabric is 15 or more and 60 or less, and the total fineness of the filament yarn is 70 dtex or more and 400 dtex or less. (4) The knitted fabric according to any one of (1) to (3), characterized in that the total fineness of the core yarn of the mohair yarn is 150 dtex or more. (5) The opening of the knitted fabric is 100 mm 2 Above 650mm 2 The knitted fabric according to any one of (1) to (4), characterized in that: (6) The knitted fabric according to (5), characterized in that the weft / warp ratio of the stitches of the knitted fabric is 2.0 or less. (7) Stuffing using the knitted fabric described in any one of (1) to (6). (8) A textile product using the stuffing described in (7). Effect of the Invention

[0009] The present invention can provide a stuffing for clothing and bedding that can be easily compressed and folded compactly for storage by being flexibly deformed with low stress when compressed in the thickness direction, and that has excellent recovery properties, as well as textile products such as clothing and bedding products that use the stuffing. [Brief description of the drawings]

[0010] [Figure 1] FIG. 1 is a schematic diagram showing an example of a mohair yarn contained in the knitted fabric of the present invention. [Diagram 2] FIG. 2 is a schematic diagram for explaining the structure of the knitted fabric. [Diagram 3] FIG. 3 is a schematic diagram for explaining the intervals between fusion-fixed portions of the effect yarns in the mohair yarn included in the knitted fabric of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] The present invention will be described in detail below together with preferred embodiments. The knitted fabric of the present invention includes mohair yarn, and the mohair yarn can be, for example, in the form shown in Fig. 1. For the sake of understanding the invention, the mohair yarn 6 shown in Fig. 1 is shown in a state before being fused by the fusion yarn 4 (after fusion by the fusion yarn 4, the core yarn 2, the presser yarn 3, and the fusion yarn 4 are integrated partially or entirely). The mohair yarn 6 shown in Fig. 1 is twisted by sandwiching the effect yarn 1 between the core yarn 2 and the presser yarn 3, and the effect yarn 1 is fused and fixed by the core yarn 2, the presser yarn 3, and the fusion yarn 4. As a form in which the mohair yarn is included in the knitted fabric of the present invention, it is preferable that the effect yarn 1 of the mohair yarn 6 is open and exists in a state of protruding from the surface of the knitted fabric, and the mohair yarn 6 is knitted along the ground yarn that forms the framework of the knitted fabric.

[0012] In the present invention, the knitted fabric is more preferably warp knitted from the viewpoint of ease of folding. Warp knitted structures have moderate stretchability and dimensional stability, and when made into textile products such as clothing and bedding, they are excellent in wearability and comfort. Among warp knitted fabrics, raschel knitting is more preferable, since it is easy to form a knitted fabric with a low basis weight, and the weft and warp of the stitches are clearly defined, so that the knitted fabric is easy to fold in both the warp and warp directions. In addition, in terms of improving compressibility and recovery, single raschel knitting is even more preferable in order to promote the collapse of the filament yarn 1 during compression and the self-support of the filament yarn 1 during recovery.

[0013] The knitted fabric of the present invention has a compression ratio of 75% or more as evaluated according to JIS L1097:1982. The compression ratio is the compression ratio in the thickness direction of the knitted fabric, and by having a high compression ratio in the thickness direction, the compression ratio of the product filled in the fabric such as the side fabric can be increased, and the product can be stored compactly. Since the higher the compression ratio, the more compact the product can be stored, it is more preferable that the compression ratio is 78% or more, and even more preferable that the compression ratio is 80% or more. The compressibility is evaluated by compression under a load lower than the initial load and compression load shown in JIS L1097:1982. The initial load is 250 g / m2 as the basis weight of the fabric used for the side fabric. 2 It is assumed that the thickness can be secured even under this load, and it is shown that the material can be easily compressed even under a low load.

[0014] The compression ratio was measured by cutting the knitted fabric of the present invention into a 10 cm square and compressing it to 100 g / m 2 The evaluation was performed using a sample in which the knitted fabric was layered so that the basis weight exceeded 100 g / m. 2 , 0.025g / cm for a 10cm square piece of knitted fabric 2 A thin plate having a mass of 0.5g / cm2 is placed on the measurement sample as a standard initial load, and the height (H0) is measured after leaving it for 1 minute. 2 A weight was placed on the sample so that the mass was 100%, and the height (H1) was measured after 5 minutes. The compression ratio was calculated using the following formula. Compression ratio (%) = (H0-H1) / H0 x 100 The weight of the measurement sample is 100 g / m 2 For those exceeding this limit, it is preferable to adjust the initial load and compression load in accordance with the excess ratio of basis weight for evaluation.

[0015] The knitted fabric of the present invention preferably has a recovery rate of 70% or more as evaluated in accordance with JIS L1097: 1982. The recovery rate is measured following the compression rate evaluation, and indicates that the knitted fabric can be significantly compressed under a low load while also having sufficient thickness recovery. The higher the recovery rate, the easier it is for the knitted fabric to recover its thickness when taken out of storage, so a recovery rate of 73% or more is more preferable. Also, a recovery rate of 75% or more is even more preferable as a range in which the knitted fabric can be sufficiently recovered by simply taking it out without shaking or hitting it after taking it out. Following the evaluation of the compression ratio, the weight was removed and only the thin plate was placed on the sample, after which the height (H2) was measured after 5 minutes, and the recovery ratio was calculated using the following formula. Recovery rate (%)=(H2-H1) / (H0-H1)×100

[0016] In the present invention, FIG. 2 is a schematic diagram for explaining the structure of the knitted fabric. In FIG. 2, the ground yarns 5a, 5b, 5c, and 5d are warp yarns. The mohair yarn 6 is, for example, knitted in the warp direction along the ground yarn 5b that is chain-knitted, and then crosses over to the adjacent ground yarn 5c at the yarn crossing position 9 to form the weft. Then, after being knitted in the warp direction along the ground yarn 5c, it returns to the ground yarn 5b to form a lattice-like stitch. This warp and weft direction makes it easy to fold the product into a square, and it can be stored thinner and more compactly than if it were rolled and compressed. In addition, the neat folding prevents the filling from being biased due to unnecessary pressure, and also prevents the occurrence of wrinkles on the surface of the product, making it possible to prevent changes in the appearance of the product and various functional deterioration due to the misalignment of the side fabric.

[0017] The knitted fabric of the present invention has an opening of 100 mm. 2 Above 650mm 2 In the present invention, the mesh size is the area calculated from the lengths of the warp and weft sides of one stitch in the lattice pattern shown in Figure 2 (the product of the warp side length 7a and the weft side length 7b). 2 If the mesh size is more than 650 mm, there will be enough space to store the mohair yarn when the knitted fabric is compressed. 2 If the opening is 200 mm or less, the effect yarns can be uniformly arranged in the gaps of the stitches, cold spots are unlikely to form, and the knitted fabric has little variation in thickness. 2 Above 600mm 2 It is more preferable that the opening is 300 mm or less, so that the filament yarn can be smoothly accommodated in the gaps of the stitches and the resistance felt when folding can be reduced. 2 Above, 580mm 2 It is more preferable that the length be set to the following range, which can suppress catching of filaments during compression and recovery, and can further increase the ease of folding.

[0018] The knitted fabric of the present invention preferably has a weft / warp ratio of 2.0 or less. The weft / warp ratio is the ratio between the warp side length 7a of the stitch and the weft side length 7b. When the weft / warp ratio is 2.0 or less, the warp and weft directions of the stitch are clearly defined, resulting in a knitted fabric that is easy to fold. The weft / warp ratio is more preferably 1.5 or less, and the warp and weft yarns are appropriately spaced apart, which reduces resistance when folding and allows for smooth folding. From this perspective, the weft / warp ratio is even more preferably 1.1 or less, and the closer the stitches are to a square, the easier it is to fold in both the warp and weft directions.

[0019] In the knitted fabric of the present invention, it is preferable that at least one of the lengths of one side of the stitch is greater than the filament yarn protruding length 8 described later in terms of use as stuffing. By making the length 8 of the flower thread protruding from the mohair yarn 6 longer than at least one side of the stitch (the warp side length 7a or the weft side length 7b), the flower thread 1 of the mohair yarn 6 is prevented from being entangled in the stitch when knitting the knitted fabric, which effectively acts to improve the ease of folding. In addition, by efficiently using the flower thread 1 of the mohair yarn 6, a sufficient thickness for use as a stuffing can be secured even with a low basis weight, and the compression rate and recovery rate can be improved.

[0020] The knitted fabric of the present invention preferably has a mixing ratio of the mohair yarn 6 in the entire knitted fabric of 85% by mass or more. The mixing ratio of the mohair yarn is more preferably 90% by mass or more. If the mixing ratio is within this range, the amount of compressive deformation caused by the protrusion of the effect yarn 1 of the mohair yarn 6 used in the knitted fabric of the present invention can be easily utilized, resulting in a knitted fabric with a high compression ratio.

[0021] The knitted fabric of the present invention has a basis weight of 10 g / m 2 More than 150g / m 2 It is preferable that: The weight of this knitted fabric is 10g / m 2 If the density is 150 g / m or more, the thickness of the knitted fabric can be easily ensured, the compressibility can be increased, and recovery can be achieved with an appropriate resilience.2 When the weight is less than 15 g / m, the fabric is easy to handle and comfortable when made into textile products such as clothing and bedding due to its light weight. 2 More than 100g / m 2 It is more preferable that the weight is 17 g / m or less, and if the weight is within this range, the fiber product can be stored compactly when made into a fiber product and can quickly recover when taken out. Furthermore, from the viewpoint of being thin and compact for easy transportation of the product, the weight is 17 g / m or less. 2 More than 70g / m 2 It is even more preferable that:

[0022] In the knitted fabric of the present invention, the yarn constituting the ground yarn is preferably made of synthetic fiber. Synthetic fibers are fibers made of synthetic polymers (hereinafter referred to as "polymers"), and can be fibers made of thermoplastic polymers produced by melt spinning, solution spinning, etc. The single fibers constituting the fibers may be fibers made of a single component, or may be composite fibers in which two or more component polymers are arranged in the fiber cross section.

[0023] Examples of the thermoplastic polymers constituting these fibers include polyethylene terephthalate or its copolymers, polyesters such as polytrimethylene terephthalate, polybutylene terephthalate, and polyethylene naphthalate, polyamides such as nylon 6, nylon 66, and nylon 610, polyolefins such as polyethylene and polypropylene, and melt-moldable polymers such as polycarbonate, polyacrylate, polylactic acid, and thermoplastic polyurethane. Among these thermoplastic polymers, polycondensation polymers such as polyester and polyamide are preferred examples because they have crystallinity and a relatively high melting point, and therefore do not deteriorate or become worn even when heated at a relatively high temperature during heat treatment steps in post-processing and in actual use (cleaning, etc.). From the viewpoint of heat resistance, it is particularly preferable for the melting point of the polymer to be 165°C or higher.

[0024] These thermoplastic polymers may contain various additives, such as inorganic substances such as titanium oxide, silica, and barium oxide, colorants such as carbon black, dyes, and pigments, flame retardants, fluorescent brighteners, antioxidants, and ultraviolet absorbing agents, as long as the effects of the present invention are not impaired.

[0025] Examples of the ground yarn include polyethylene terephthalate and polyamides such as nylon 6, nylon 66, and nylon 610, which are excellent in handleability, such as being unlikely to break during knitting and being unlikely to break when pulling out a knitted fabric containing the mohair yarn 6 from a roll of material or a packing bag when filling a filler. In addition, fibers with excellent tensile strength are preferable, and polyamides are more preferable. In the present invention, from the viewpoint of improving the foldability of the product, it is preferable that the ground yarn bends flexibly, and it is more preferable that the polyamide is nylon 6.

[0026] The mohair yarn of the present invention is a textured yarn in which an effect yarn 1 is sandwiched between a core yarn 2 and a presser yarn 3, twisted together, and the effect yarn 1 is fused and fixed, as shown in FIG. In the present invention, the same thread may be used as the core thread 2 and the presser thread 3, or different threads may be used. For example, when two of the same threads are used, in the present invention, one is designated as the core thread 2 and the other as the presser thread 3. The core thread 2 and the presser thread 3 may be formed by plying a plurality of threads together.

[0027] In the present invention, it is preferable that the effect yarn 1 is fused and fixed between the core yarn 2 and the presser yarn 3. In the mohair yarn 6 in Fig. 1, neither the core yarn 2 nor the presser yarn 3 has fusibility, and the fusible yarn 4 is used together with the core yarn 2 and the presser yarn 3 to fusion-fix the effect yarn 1, but it is also possible to fusion-fix the effect yarn 1 by using either or both of the core yarn 2 and the presser yarn 3 as fusible yarns without using the fusible yarn 4. In addition, in the specification of the present invention, when explaining the configuration of the mohair yarn 6, there are some parts where the state in which the core yarn 2, the presser yarn 3, and the fusion yarn 4 are twisted together is referred to as the core yarn. The core yarn 2, the presser yarn 3 and the effect yarn 1 constituting the mohair yarn 6 of the present invention are preferably made of synthetic fibers.

[0028] Synthetic fibers are fibers made of polymers, and can be fibers made of thermoplastic polymers produced by melt spinning, solution spinning, etc. The single fibers constituting the fibers may be fibers made of a single component, or may be composite fibers in which two or more component polymers are arranged in the fiber cross section.

[0029] Examples of the thermoplastic polymers constituting these fibers include polyethylene terephthalate or its copolymers, polyesters such as polytrimethylene terephthalate, polybutylene terephthalate, and polyethylene naphthalate, polyamides such as nylon 6, nylon 66, and nylon 610, polyolefins such as polyethylene and polypropylene, and melt-moldable polymers such as polycarbonate, polyacrylate, polyamide, polylactic acid, and thermoplastic polyurethane. Among these thermoplastic polymers, polycondensation polymers such as polyester and polyamide are preferred examples because they have crystallinity and a relatively high melting point, and therefore the bulky yarns do not deteriorate or become worn out even when heated at a relatively high temperature during heat treatment steps in post-processing and in actual use (cleaning, etc.). From the viewpoint of heat resistance, it is particularly preferable that the melting point of the polymer is 165°C or higher. These thermoplastic polymers may contain various additives, such as inorganic substances such as titanium oxide, silica, and barium oxide, colorants such as carbon black, dyes, and pigments, flame retardants, fluorescent brighteners, antioxidants, and ultraviolet absorbing agents, as long as the effects of the present invention are not impaired.

[0030] In the present invention, the cross-sectional shape of the synthetic fibers used for the core yarn 2, the presser yarn 3, and the effect yarn 1 constituting the mohair yarn 6 may be any shape, and may be an irregular shape such as a round cross section, a triangular cross section, a + shape, a Y shape, a multi-lobe type, a flat type, a multi-fin type, or a shape including a hollow portion, and may be a single component fiber made of a single polymer, or a composite fiber made of two or more types of polymers.

[0031] The mohair yarn 6 included in the knitted fabric of the present invention preferably has a single filament number of the effect yarn 1 of 15 or more and 60 or less. By having a single filament number of the effect yarn 1 of 15 or more, the knitted fabric has a soft feel that allows compression without resistance, and even when filled into a product, the effect yarn is not crushed by the weight of the side fabric, and the amount of compression deformation can be secured. In addition, by having a single filament number of the effect yarn 1 of 60 or less, the opening of the single yarn of the effect yarn 1 is not hindered, and the effect yarn can be uniformly arranged in the gaps of the stitches. From the viewpoint of dispersing the effect yarns uniformly throughout and without unevenness during compression and obtaining uniform compressibility, the number of single filaments of the effect yarn 1 is more preferably 20 or more and 55 or less. Furthermore, in order to provide a knitted fabric with excellent recovery properties, the number is even more preferably 24 or more and 50 or less.

[0032] In the mohair yarn 6 included in the knitted fabric of the present invention, the total fineness of the effect yarn 1 is preferably 70 dtex or more and 400 dtex or less. By setting the total fineness of the effect yarn 1 within the above range, it has sufficient resistance to support the side fabric, and it becomes easier to ensure the thickness as a product. The total fineness of the effect yarn 1 is more preferably 80 dtex or more and 350 dtex or less, so that the effect yarn 1 can be flexibly deformed during compression and can obtain an excellent compression ratio. In addition, from the viewpoint of improving the recovery property immediately after being taken out from the storage state, the total fineness of the effect yarn 1 is further preferably 85 dtex or more and 300 dtex or less.

[0033] The mohair yarn 1 included in the knitted fabric of the present invention preferably has an effect yarn protruding length 8 of 10 mm or more. When the protruding length of the effect yarn 1 is within the above range, the tip of the effect yarn 1 can be arranged to face in all directions in the cross section of the mohair yarn, and the compressive deformation amount in the thickness direction of the knitted fabric can be increased, thereby increasing the compression rate of the knitted fabric. As a range that provides a good balance with the degree of spreading of the filaments 1 and effectively contributes to improving the compression ratio, the filament filament protruding length 8 is more preferably 12.5 mm or more and 20 mm or less, and even more preferably 13.5 mm or more and 17.5 mm or less. This effect yarn protruding length 8 can be confirmed by unwinding the effect yarn 1 entangled with the core yarn 2 of the mohair yarn 6, directing it in a direction perpendicular to the length direction of the core yarn 1, stretching and fixing the effect yarn 1, and measuring the length of the effect yarn 1.

[0034] As the effect yarn 1 of the mohair yarn 6 included in the knitted fabric of the present invention, it is preferable to use a fiber having excellent rigidity from the viewpoint of increasing the recovery rate as stuffing for clothing, bedding, etc. Polyester such as polyethylene terephthalate is more preferable as a material that can easily obtain rigidity, and among polyesters, polyethylene terephthalate is further preferable from the viewpoint of heat resistance, similar to the core yarn 2 and the pressing yarn 3.

[0035] In order to increase the compressibility of the effect yarn 1 of the mohair yarn 6 contained in the knitted fabric of the present invention, it is preferable that the shape increases the volume per unit fineness, and it is more preferable that the fiber has a hollow portion in a cross section perpendicular to the longitudinal direction of the fiber, and the hollow portion continues in the longitudinal direction of the fiber. The cross section of the fiber having the hollow portion may be a round cross section, and it is more preferable to use a fiber having an irregular cross section such as a Y-type, a multi-lobe type, or a flat multi-fin type, which includes a hollow portion, because it is easy to increase the fineness, i.e., light weight and volume.

[0036] The effect yarn 1 of the mohair yarn 6 included in the knitted fabric of the present invention is preferably crimped. This crimp indicates that the effect yarn 1 has a three-dimensional spiral structure, and a fiber having such a spiral structure similar to a spring has recovery and resilience against elongation and compression deformation. With such a structure, the effect yarn 1 is opened for each single yarn due to repulsion between the single yarns of the effect yarn, and the tip of the effect yarn 1 is easily oriented in all directions in a cross section perpendicular to the longitudinal direction of the mohair yarn 6. This increases the excluded volume of the mohair yarn 6, leading to an improvement in the compression rate and recovery rate of the knitted fabric. In addition, the resilience of the mohair yarn 6 of the present invention provides a good feel as a filler, and even when subjected to repeated compression and recovery, the filament yarn 1 that supports it recovers like a spring, making it suitable from the viewpoint of preventing sagging.

[0037] In the present invention, in order to increase the compressibility of the knitted fabric, as described above, a fiber having a hollow portion in the fiber cross section is preferably used as the effect yarn 1 of the mohair yarn 6 used. The fiber having a hollow portion is easily subjected to asymmetric cooling during spinning, which causes a difference in fiber orientation due to a difference in cooling in the single fiber cross section, and it is easy to obtain a fiber having apparent crimp even with a single component. The degree of apparent crimp in this case is a gentle crimp with a radius of curvature of several tens of mm, but when the mohair yarn 6 is processed, the single fibers of the effect yarn 1 are easily opened, which effectively acts to improve the compressibility of the knitted fabric. The crimp obtained by such asymmetric cooling can be appropriately adjusted by the cooling conditions immediately after extrusion during spinning and the draw ratio.

[0038] The mohair yarn 6 included in the knitted fabric of the present invention preferably has a total fineness of 150 dtex or more of the core yarn (the core yarn 2 fixed by the fusion yarn 4 and the presser yarn 3). By making the total fineness of the core yarn 150 dtex or more, the resilience for the product to recover from the folded state can be increased, and the recovery of the product can be improved. In addition, the total fineness of the core yarn is more preferably 200 dtex or more, and the contact area of ​​the part sandwiched and fixed by the core yarn is increased, the self-support of the filament yarn is strengthened, and the recovery rate can be increased. Furthermore, from the viewpoint of increasing the thickness recovery immediately after taking out from the stored state, i.e., the initial recovery rate, it is even more preferable that the total fineness of the core yarn is 300 dtex or more. In the present invention, from the viewpoint of ensuring the ease of folding the product, the substantial upper limit of the total fineness of the core yarn is about 1000 dtex.

[0039] The core yarn 2 and presser yarn 3 used in the mohair yarn 6 of the present invention are preferably ones with excellent tensile strength in order to provide excellent handleability, such as being unlikely to break during knitting and being unlikely to break when a knitted fabric containing the mohair yarn is pulled out from a roll of material or a packing bag when being filled into a filler, and examples of such fibers include polyethylene terephthalate and polyamides such as nylon 6, nylon 66 and nylon 610. Polyamides are more preferable from the viewpoint of imparting flexibility as a mohair yarn in addition to tensile strength, and nylon 66 is even more preferable from the viewpoint of heat resistance when fusing and fixing the filament yarns, as well as the ability to maintain appropriate resilience even when repeatedly deformed.

[0040] In the mohair yarn 6 of the present invention, the effect yarn 1 is preferably sandwiched and fused between the core yarn 2 and the presser yarn 3. By sandwiching the effect yarn 1 between the core yarn 2 and the presser yarn 3 and fused, the effect yarn 1 is prevented from falling off during knitting and when pulled out for filling as a stuffing, leading to improved handleability of the mohair yarn 6.

[0041] As for the core yarn 2 and the presser yarn 3, when the core yarn 2 has fusibility or when the presser yarn has fusibility, it is preferable that the core yarn or the presser yarn remain inside the mohair yarn after fusion and fixation, and sandwich the effect yarn 1, and it is preferable to use a core-sheath type composite fiber in which the core is a high melting point component and the sheath is a low melting point component. In addition, when the core yarn 2 and the presser yarn 3 do not contain a fusible component, it is preferable to add the fusible yarn 4 to either or both of them and supply them to the twisting machine. In this case, the fusible yarn is preferably a single-component fusible yarn made of the above-mentioned core-sheath type composite fiber, a polyester-based low melting point polymer, and a polyamide-based low melting point polymer. In addition, in order to strengthen the adhesion and fixation of the effect yarn, a single-component fusible yarn made of only the fusible component is more preferable. In addition, in order to ensure bulkiness as in the present invention, it is preferable to suppress excessive shrinkage of the effect yarn itself, and it is preferable to achieve fusion and fixation by low temperature and short-time treatment. From this point of view, a single-component fusible yarn made of a polyamide-based low melting point polymer is more preferable.

[0042] In the present invention, the mohair yarn included in the knitted fabric preferably has a spacing of 1.0 mm to 4.0 mm between the fusion-fixed points of the decorative yarns sandwiched between the core yarn and the presser yarn. By having the spacing of the decorative yarns within the above range, the decorative yarns having crimps do not overlap excessively, and are appropriately entangled with the core yarn in a state in which the single yarns are open, and the tips of the decorative yarns can be protruded in the outer circumferential direction in the yarn cross section of the mohair yarn. By arranging the decorative yarns in this way, even when the knitted fabric is made, the decorative yarns protrude in a direction perpendicular to the knitted fabric plane, thereby increasing the compression rate and recovery rate as a stuffing, etc., and providing a soft feel. From this viewpoint, the interval between the fused and fixed points of the filaments is more preferably in the range of 1.3 mm or more and 3.5 mm or less, and even more preferably in the range of 1.5 mm or more and 3.0 mm or less.

[0043] Fig. 3 is a schematic diagram for explaining the interval between the fusion-fixed points of the flower yarn of the mohair yarn included in the knitted fabric of the present invention. As shown in Fig. 3, the interval 10 between the fusion-fixed points of the flower yarn is measured by unwinding the flower yarn 1 entangled with the core yarn 2 of the mohair yarn 6, orienting it perpendicular to the core yarn 2, and observing with a digital microscope or the like at a magnification that allows confirmation of at least two points where the flower yarn 1 is sandwiched between the core yarn 2 and the presser yarn 3. Using this observation image, the interval 10 between the fusion-fixed points of the flower yarn can be confirmed by measuring the distance between two points from the center point of the flower yarn 1 at the fusion point to the center point of the adjacent flower yarn 1. In the present invention, the mohair yarn can be produced by using a conventionally known mohair yarn twisting machine, for example, the mohair yarn twisting machine shown in Japanese Patent Application Laid-Open No. 53-6642.

[0044] The knitted fabric of the present invention can be used in a variety of forms to produce various textile products. Examples of textile products include general clothing, sports clothing, clothing materials, bedding such as quilts, futons, and thin blankets, sleeping bags, interior products such as carpets, sofas, and curtains, various decorative materials, and vehicle interior products such as stuffed toys and car seats. In particular, the knitted fabric of the present invention is preferably used as stuffing for clothing and bedding, and can be compressed without applying force to produce a product that can be folded compactly and easily stored. In addition, since it can be stored in a thin compressed state and has excellent recovery when taken out, it is easy to handle and store during storage and use.

[0045] Here, the knitted fabric of the present invention can be easily adjusted in terms of basis weight, bulkiness, etc., according to the application and the intended performance. In addition to the knitted fabric of the present invention, it can also be used in combination with other filling materials that can be used for stuffing, and a stuffing material having material characteristics other than those of the knitted fabric of the present invention can be obtained. EXAMPLES

[0046] The knitted fabric of the present invention and its effects will be specifically described below with reference to examples. In the examples and comparative examples, the following evaluations were carried out.

[0047] A. Fineness The mass of 1 m of fiber was measured and the fineness was calculated by multiplying it by 10,000. This was repeated 10 times, and the simple average value was rounded off to one decimal place to determine the fineness (dtex) of the fiber.

[0048] B. Stitch opening (area), horizontal / vertical ratio The stitches (warp and weft threads) of the knitted fabric were spread evenly so that they were perpendicular, and the fabric was attached to black paper. The lengths of each warp and weft sides of each stitch were measured, and the area of ​​the stitch and the weft / vertical ratio were calculated. This process is repeated for 10 locations, and the simple average value is rounded off to the nearest tenth to determine the knitting opening (mm 2 ) was decided. Similarly, the weft / vertical ratio was calculated from the length of each warp and weft side for each of the 10 locations, and the simple average was rounded off to one decimal place to determine the weft / vertical ratio (-) of the knitted fabric.

[0049] C. Count of fabric The knitted fabric was spread evenly so that the stitches (warp and weft) were perpendicular to each other, cut into 1m squares, and the mass was measured. This was repeated for 10 locations, and the simple average value was rounded off to the nearest tenth to determine the weight of the knitted fabric (g / m 2 ) was decided.

[0050] D. Compression rate and recovery rate of knitted fabric A compression evaluation was carried out under low load in accordance with JIS L1097:1982. Specifically, the knitted fabric was evenly spread so that the stitches (warp and weft) were perpendicular to the ground, and a test piece was cut into a 10 cm square and placed on the test piece with a mass of 1 g (knitted fabric density 100 g / m 2 A sample was prepared in which two layers of the same material were stacked on top of each other. The sample was placed on a 10 cm square thin plate (initial load 0.025 g / cm 2 ) was placed on the plate, and the height H0 was measured after 1 minute. Then, a weight was added to the plate to obtain a total of 0.5 g / cm 2 A compressive load (20 times the initial load) was applied and the height (H1) was measured after 5 minutes, and then the weight was removed and the plate was left for 5 minutes with only the plate on it, after which the height (H2) was measured. The weight of the measurement sample is 100 g / m 2 For those exceeding this limit, the initial load and compression load were adjusted according to the excess weight ratio for evaluation. The heights measured here were the average values ​​of the heights of the four corners of the thin plate. Using the measured values ​​obtained above, the compression rate and recovery rate of the knitted fabric were calculated according to the following formulas. Compression ratio (%) = (H0-H1) / H0 x 100 Recovery rate (%)=(H2-H1) / (H0-H1)×100 The measurement was repeated five times for each sample, and the average values ​​were rounded off to the nearest tenth to obtain the compression rate and recovery rate of the knitted fabric.

[0051] E. Thickness of the cushion A commercially available 40d nylon fabric was used for the outer and inner lining, and one piece of the knitted fabric of the present invention was stuffed inside. Quilting was then added in parallel in one direction with a quilt pitch of 10 cm, and the edges of the fabric were sewn to create a 40cm square cushion. A thin plate (0.025g / cm2) measuring 40cm square is placed on the cushion. 2 ) was placed on the sheet, the height of each corner of the sheet was measured, and the average value was calculated to determine the thickness of the cushion. For each sample, measurements were repeated five times, and the average value was rounded off to the nearest tenth to obtain the thickness of the cushion (mm).

[0052] F. Compression rate and initial recovery rate of cushion As in D above, compression evaluation was performed under low load in accordance with JIS L1097:1982. The cushion prepared in E. above was folded in four to make a measurement sample of 20 cm square. A thin plate of 20 cm square (initial load 0.025 g / cm) was placed on the sample. 2 ) was placed on the plate and the height H0 was measured after 1 minute. Then, a weight was added to the plate to make a total of 0.5 g / cm 2 A compressive load (20 times the initial load) was applied and the height (H1) was measured 5 minutes later, and then the weight was removed and the height (H2) was measured 5 seconds later with only the thin plate placed on the plate. The heights measured here were the average values ​​of the heights of the four corners of the thin plate. Using the measured values ​​obtained above, the compression rate and initial recovery rate of the cushion were calculated according to the following formulas. Compression ratio (%) = (H0-H1) / H0 x 100 Initial recovery rate (%)=(H2-H1) / (H0-H1)×100 The measurements were repeated five times for each sample, and the average values ​​were rounded off to the nearest tenth to obtain the compression rate and initial recovery rate of the cushion.

[0053] Example 1 <Core thread, holding thread, fusion thread> One nylon 66 fiber (manufactured by Toray Industries, Inc., under the trade name "Promilan (registered trademark)" 44T-34f) was used as the core yarn and one pressing yarn, and a polyamide-based fusible fiber (copolymer polyamide fiber: manufactured by Toray Industries, Inc., under the trade name "Elder (registered trademark)" 22T-10f) was used as the fusible yarn. <Flower thread> Polyethylene terephthalate (PET: IV = 0.6 dl / g, crystallization temperature = 150 ° C) was melted at 290 ° C, metered by a gear pump, flowed into a spinning pack, and discharged from a hollow cross section discharge hole with three slits (width 0.1 mm) arranged concentrically. After cooling and solidifying by blowing 20 ° C cooling air from one side at a flow rate of 30 m / min on the discharged yarn, a spinning oil was applied and an undrawn yarn was wound up at a spinning speed of 1500 m / min. Subsequently, two hollow fibers (44T-12f, hollow ratio 30%) made of polyethylene terephthalate, which was drawn between rollers heated to 90 ° C and 140 ° C at a drawing speed of 800 m / min, were combined and used as a filament yarn.

[0054] <Mohair Yarn> Using a conventionally known mohair yarn twisting machine, the ratio of the supply speed of the core yarn and presser yarn to the supply speed of the decorative yarn was set to 1:19, the decorative yarn was supplied to the flyer section, and the core yarn and presser yarn were supplied from two directions with the fusion yarn attached to the presser yarn. The decorative yarn was wound around a guide piece with a width and length of 30 mm at the bottom end, cut with a cutter, and sandwiched between the core yarn and the presser yarn. The twist number per meter was adjusted to 250 turns (T / m), twisted, and wound on a spindle. Next, the mohair yarn was wound into a skein of 200 g each using a skein winding machine, the skein was hooked onto a bar of a transport cart equipped with a skein hooking bar, and the skein was placed in a pressurized steam heat treatment furnace and subjected to pressurized steam treatment at 98°C for 20 minutes to melt the fusion yarns and obtain a mohair yarn with fusion-fixed filaments. The obtained mohair yarn was cut to a length of 1 m, the mass was measured, and the fineness was calculated by multiplying the mass by 10,000. The measurement was repeated 10 times, and the simple average value was rounded off to the nearest tenth to obtain a mohair yarn fineness of 1752 dtex.

[0055] <Knitting> The mohair yarn and 44T-10F nylon 6 fiber as the ground yarn were used, and knitted using a conventionally known single raschel knitting machine (manufactured by Karl Mayer) with the number of warp needles adjusted to 1G to obtain a knitted fabric. The obtained knitted fabric was stretched evenly so that the stitches of the knitted fabric were vertical, and the opening of the knitted fabric calculated from the length of each side of one stitch was 575 mm. 2 The weft / warp ratio was 1.1. The weight of the knitted fabric was 17 g / m 2 It was. The knitted fabric of Example 1 had a compression rate of 82% and a recovery rate of 75%, both of which were excellent. The cushion made using the knitted fabric of Example 1 had a thickness of 5 mm, which was an appropriate thickness and easy to fold. The cushion's compression rate was 58% and its initial recovery rate was 55%, meaning that it could be compressed compactly even when filled with the cover material, and it also had excellent initial recovery. The results are shown in Table 1.

[0056] (Examples 2 and 3) Mohair yarns were obtained by changing the number of plying yarns of polyethylene terephthalate fiber used in the effect yarn, changing the number of single filaments of the effect yarn, and adjusting the interval at which the effect yarns were introduced so that the mohair yarn fineness matched that of Example 1. The fineness of the obtained mohair yarns was 1758 dtex in Example 2 and 1761 dtex in Example 3. Next, knitting was carried out using a raschel knitting machine in the same manner as in Example 1 to obtain a knitted fabric. In Example 2, the number of single filaments in the mohair yarn was twice that of Example 1. The knitted fabric of Example 2 had a compression rate of 83% and a recovery rate of 76%, both of which were higher than those of Example 1. The cushion made using the knitted fabric of Example 2 had a thickness of 8 mm, which was thicker and easier to fold than that of Example 1. The cushion's compression rate was 58% and its initial recovery rate was 56%, meaning that even when filled with the cover material, it could be compressed more compactly than that of Example 1 and also had excellent initial recovery. The results are shown in Table 1. In Example 3, the number of single filaments in the filament yarn of the mohair yarn was 2.5 times that of Example 1, and the knitted fabric of Example 3 had a compression rate of 76% and a recovery rate of 73%, which were excellent compression rates and recovery rates, but were lower than those of Example 1. It is believed that the increased number of single filaments in the filament yarn of the mohair yarn contained in the knitted fabric of Example 3 increased the resilience against the measured load, leading to a decrease in the compression rate. The cushion made using the knitted fabric of Example 3 had a thickness of 11 mm, which was thicker than that of Example 1 and easier to fold. The cushion's compression rate was 52% and its initial recovery rate was 53%, both of which were lower than those of Example 1, but even when filled with the cover material, it could be compressed compactly and had excellent initial recovery. The results are shown in Table 1.

[0057] Example 4 When spinning the polyethylene terephthalate fiber for the filament yarn, the nozzle was changed to an 18-hole nozzle, and the single-hole output of the nozzle was spun and drawn in the same manner as in Example 1 to obtain a hollow fiber (66T-18f, hollow ratio 30%) made of polyethylene terephthalate. The filament yarn was used as the filament yarn, and the interval at which the filaments were introduced was adjusted so that the filament yarn fineness was the same as in Example 1 to obtain a filament yarn. The fineness of the obtained filament yarn was 1754 dtex. Next, knitting was carried out using a raschel knitting machine in the same manner as in Example 1 to obtain a knitted fabric. In Example 4, the number of single filaments of the mohair yarn and the total fineness of the filaments were smaller than those in Example 1. The knitted fabric in Example 4 had a compression rate of 75% and a recovery rate of 69%, and although the compression rate was good, the recovery rate was low. The cushion made using the knitted fabric of Example 4 had a thickness of 4 mm, which was thinner than that of Example 1 and easier to fold. The cushion's compression rate was 52% and its initial recovery rate was 49%, meaning that it could be compressed compactly even when filled with the cover material, but the cushion's recovery power was weak and the initial recovery rate was low. The results are shown in Table 1.

[0058] (Examples 5 and 6) When spinning the polyethylene terephthalate fiber used for the filament yarn, the spinning was performed so that the single hole output of the spinneret was twice that of Example 1, and the spinning was performed to obtain a hollow fiber (88T-12f, hollow ratio 32%) made of polyethylene terephthalate. In Example 5, two of the fibers were combined in the same manner as in Example 1, and in Example 6, four of the fibers were combined, and each was used as the filament yarn of the mohair yarn. The introduction interval of the filament yarn was adjusted so that the fineness of the mohair yarn was matched to that of Example 1, and the mohair yarn was obtained. The fineness of the obtained mohair yarn was 1764 dtex in Example 5 and 1766 dtex in Example 6. Next, knitting was carried out using a raschel knitting machine in the same manner as in Example 1 to obtain a knitted fabric. In Example 5, the number of single filaments of the filament yarn of the mohair yarn was the same as in Example 1, and the total fineness of the filament yarn was doubled. The knitted fabric of Example 5 had a compression rate of 80% and a recovery rate of 75%, both of which were excellent. It is believed that the resilience against the measured load was strengthened by the increase in the total fineness of the filament yarn of the mohair yarn contained in the knitted fabric of Example 5, and the compression rate was lower than that of Example 1. The cushion made using the knitted fabric of Example 5 had a thickness of 8 mm, which was thicker and easier to fold than that of Example 1. The cushion's compression rate was 57% and its initial recovery rate was 56%, meaning that it could be compressed compactly even when filled with the cover material, and it had better initial recovery than Example 1. The results are shown in Table 1. In Example 6, the number of single filaments of the filament yarn of the mohair yarn was the same as in Example 2, but the total fineness of the filament yarn was doubled. The knitted fabric of Example 6 had a compression rate of 77% and a recovery rate of 75%, which was good compression rate and excellent recovery rate. It is considered that the total fineness of the filament yarn of the mohair yarn contained in the knitted fabric of Example 6 was increased, which strengthened the resilience against the measured load, and thus reduced the compression rate compared to Example 2. The cushion made using the knitted fabric of Example 6 had a thickness of 13 mm, which was thicker than that of Example 2 and easier to fold. The cushion's compression rate was 53% and its initial recovery rate was 57%, meaning that it could be compressed compactly even when filled with the cover material, and it had better initial recovery than Example 2. The results are shown in Table 1.

[0059] [Table 1]

[0060] (Examples 7 and 8) The effect yarns were the same as in Example 1, and the core yarns, presser yarns, and fusion yarns constituting the core of the mohair yarn were supplied in twice the number of those in Example 1 in Example 7, and in Example 8, they were supplied in three times the number of those in Example 1, and mohair yarns were obtained by adjusting the intervals at which the effect yarns were introduced so that the mohair yarn fineness was the same as that in Example 1. The fineness of the obtained mohair yarn was 1756 dtex in Example 7 and 1760 dtex in Example 8. Next, knitting was carried out using a raschel knitting machine in the same manner as in Example 1 to obtain a knitted fabric. In Example 7, the total fineness of the mohair yarn core threads was twice that of Example 1. The knitted fabric of Example 7 had a compression rate of 82% and a recovery rate of 73%, indicating excellent compression rate and good recovery rate. The cushion made using the knitted fabric of Example 7 had a thickness of 5 mm, which was the same thickness as that of Example 1 and was easy to fold. The cushion's compression rate was 58% and its initial recovery rate was 57%, meaning that it could be compressed compactly even when filled with the cover material, and it had better initial recovery than Example 1. The results are shown in Table 2. In Example 8, the total fineness of the core yarn of the mohair yarn was three times that of Example 1, and the knitted fabric of Example 8 had a compression rate of 81% and a recovery rate of 71%, which means that it had an excellent compression rate and a good recovery rate. It is believed that the total fineness of the core yarn of the mohair yarn contained in the knitted fabric of Example 8 was higher and the proportion of the effect yarn was lower than that of Example 7, which resulted in a clear decrease in both the compression rate and the recovery rate compared to Example 1. The cushion made using the knitted fabric of Example 8 had a thickness of 5 mm, which was the same as that of Example 1, and although it was a little stiff when bending the folds, it was easy to fold. The cushion's compression rate was 57%, and its initial recovery rate was 60%, meaning that it could be compressed compactly even when filled with the cover material. It had a higher initial recovery rate than Example 7, and the recovery of the initial thickness was further improved. The results are shown in Table 2.

[0061] Example 9 Using the mohair yarn of Example 1, the frequency of folding back the mohair yarn during raschel knitting was doubled, and the weight of the knitted fabric was increased to 37 g / m 2 It was decided. The knitted fabric of Example 9 has a warp side length of 12.5 mm and a stitch opening of 318 mm. 2 The weft / warp ratio of the stitches was 2.0. The compression rate of the knitted fabric of Example 9 was 79%, and the recovery rate was 73%, which was lower than that of Example 1, but both the compression rate and the recovery rate were good. The cushion made using the knitted fabric of Example 9 had a thickness of 7 mm, which was thicker than that of Example 1 and easier to fold. The cushion's compression rate was 56% and its initial recovery rate was 52%, meaning that it could be compressed compactly even when filled with the cover material. However, the initial recovery rate was lower than that of Example 1, and the initial recovery was slower due to the higher basis weight of the knitted fabric. The results are shown in Table 2.

[0062] Example 10 Using the mohair yarn of Example 2, the frequency of folding back the mohair yarn during raschel knitting was doubled in the same manner as in Example 9, and the weight of the knitted fabric was increased to 37 g / m 2 It was decided. The knitted fabric of Example 10 had a compression rate of 77% and a recovery rate of 71%, both of which were lower than those of Example 9, but both the compression rate and recovery rate were good. The cushion made using the knitted fabric of Example 10 had a thickness of 10 mm, which was thicker than that of Example 9, and was easy to fold, although it was a little stiff when bending the folds. The cushion's compression rate was 54% and its initial recovery rate was 51%, and it was possible to compress it compactly even when filled with the cover material. However, the compression rate and initial recovery rate were lower than those of Example 9, which is thought to be due to the fact that the number of filaments was increased relative to the opening of the knitted fabric, which increased the resilience to compression. The feel of the cushion when compressed by hand was harder than that of Example 9. The results are shown in Table 2.

[0063] (Examples 11 and 12) In Examples 11 and 12, the frequency of folding back the mohair yarn during raschel knitting was changed, and the stitch opening and weft / warp ratio were changed as shown in Table 2. The mohair yarn had the same yarn composition as in Example 2, but in order to make the knitted fabric have the same basis weight as in Example 10 at the above stitch opening and weft / warp ratio, the fineness of the mohair yarn was changed by adjusting the interval at which the effect yarns were introduced when the mohair yarn was processed in advance. The fineness of the mohair yarn was 2153 dtex in Example 11 and 2710 dtex in Example 12. The knitted fabric of Example 11 has a warp side length of 17.0 mm and a stitch opening of 432 mm. 2 The knitted fabric of Example 11 had a compression rate of 79% and a recovery rate of 73%, both of which were better than those of Example 10. The cushion made using the knitted fabric of Example 11 had a thickness of 10 mm, which was the same thickness as that of Example 10, and was easy to fold. The compression rate of the cushion was 56%, and the initial recovery rate was 53%, and even when the basis weight of the knitted fabric was increased, the ease of folding was improved compared to Example 10 by adjusting the mesh size and the weft / warp ratio of the knitted fabric, and both the compression rate and the initial recovery rate were good. The results are shown in Table 2. The knitted fabric of Example 12 has a warp side length of 20.0 mm and a stitch opening of 508 mm. 2The weft / warp ratio of the stitches was 1.3. The compression rate of the knitted fabric of Example 12 was 81%, and the recovery rate was 75%, both of which were excellent. The cushion made using the knitted fabric of Example 12 had a thickness of 9 mm, which was an appropriate thickness and easy to fold. The cushion's compression rate was 57% and its initial recovery rate was 55%, which made it easier to fold than Example 11, and both the compression rate and initial recovery rate were good. The results are shown in Table 2.

[0064] Example 13 Using the mohair yarn of Example 2, the frequency of folding back the mohair yarn during raschel knitting was increased to three times that of Example 10, and the weight of the knitted fabric was 51 g / m 2 It was decided. The knitted fabric of Example 13 has a warp side length of 7.8 mm and a stitch opening of 191 mm. 2 The weft / warp ratio of the stitches was 3.4. The compression rate of the knitted fabric in Example 13 was 76%, and the recovery rate was 68%, so the compression rate was good, but the recovery rate was low. The cushion made using the knitted fabric of Example 13 had a thickness of 11 mm, which was moderately thick and easy to fold, although it was a little stiff when bending the folds. The cushion's compression rate was 50% and its initial recovery rate was 52%, meaning that it felt harder to the touch when compressed than Example 10, and the compression rate was lower than Example 10. On the other hand, since the compression rate was low and the amount of compression deformation was small, the initial recovery rate was good. The results are shown in Table 2.

[0065] Comparative Example 1 A mohair yarn was obtained by using one polyethylene terephthalate fiber spun in Example 1 as the filament yarn and adjusting the interval at which the filament yarn was introduced so that the mohair yarn fineness matched that of Example 1. The fineness of the mohair yarn obtained in Comparative Example 1 was 1746 dtex. Next, knitting was carried out using a raschel knitting machine in the same manner as in Example 1 to obtain a knitted fabric. In Comparative Example 1, the number of single filaments in the mohair yarn was half that of Example 1. The knitted fabric of Comparative Example 1 had a compression rate of 73% and a recovery rate of 64%. The decrease in thickness when the initial load was applied in the compression rate evaluation was large, and both the compression rate and recovery rate were lower than those of Example 1. The cushion made using the knitted fabric of Comparative Example 1 had a thickness of 3 mm, and was easy to fold, but thinner than Example 1. The cushion's compression rate was 47%, and its initial recovery rate was 43%, and when it was filled with a cover material, the compression rate was even lower and the initial recovery rate was also poor. The results are shown in Table 1.

[0066] Comparative Example 2 The number of polyethylene terephthalate fibers used in the filament yarn was set to 8, the number of single filaments in the filament yarn was changed, and the interval at which the filaments were introduced was adjusted so that the filament yarn fineness was the same as that in Example 1. The filament yarn obtained in Comparative Example 2 had a fineness of 1768 dtex. Next, knitting was carried out using a raschel knitting machine in the same manner as in Example 1 to obtain a knitted fabric. In Comparative Example 2, the number of single filaments in the mohair yarn was four times that of Example 1. The knitted fabric of Comparative Example 2 had a compression rate of 64% and a recovery rate of 62%, and the amount of compressive deformation when a compressive load was applied was small, and both the compression rate and recovery rate were lower than those of Example 1. The cushion made using the knitted fabric of Comparative Example 2 had a thickness of 12 mm, which was thicker than that of Example 1 and easier to fold. The cushion's compression rate was 45% and its initial recovery rate was 41%, which means that the compression rate was low, the recovery behavior was slow, and the initial recovery rate was also low. The results are shown in Table 1.

[0067] Comparative Example 3 A mohair yarn was obtained by using one polyethylene terephthalate fiber spun in Example 5 as the filament yarn and adjusting the interval at which the filament yarn was introduced so that the mohair yarn fineness matched that of Example 1. The fineness of the mohair yarn obtained in Comparative Example 3 was 1754 dtex. Next, knitting was carried out using a raschel knitting machine in the same manner as in Example 1 to obtain a knitted fabric. In Comparative Example 3, the total fineness of the flower yarn was the same as in Example 1, and the number of single filaments of the flower yarn of the mohair yarn was changed to 12. The knitted fabric of Comparative Example 3 had a compression rate of 74% and a recovery rate of 66%, both of which were lower than those of Example 1. The mohair yarn included in the knitted fabric of Comparative Example 3 had a total fineness of the flower yarn equivalent to that of Example 1, but because the number of single filaments of the flower yarn was small, there was variation in thickness at each height measurement point during the compression rate evaluation, and both the compression rate and the recovery rate were low. The cushion made using the knitted fabric of Comparative Example 3 had a thickness of 4 mm, and was easy to fold, with the average thickness being the same as that of Example 1, but there were some thinner areas. The compression rate of the cushion was 48%, and the initial recovery rate was 47%, both of which were lower than those of Example 1. The results are shown in Table 1.

[0068] Comparative Example 4 When spinning the polyethylene terephthalate fiber for the filament yarn, the spinneret of Example 1 was used, and spinning was performed under conditions of a small single-hole output rate of the spinneret within the range where stable spinning is possible, and stretching was performed to obtain a hollow fiber (33T-12f, hollow ratio 30%) made of polyethylene terephthalate. Two of the fibers were combined to obtain 66T-24f for the filament yarn, and the interval at which the filaments were introduced was adjusted so that the filament yarn fineness was the same as that of Example 1 to obtain a filament yarn. The fineness of the obtained filament yarn was 1750 dtex. Next, knitting was carried out using a raschel knitting machine in the same manner as in Example 1 to obtain a knitted fabric. In Comparative Example 4, the number of single filaments of the mohair yarn's filaments was 24, the same as in Example 1, and the total fineness of the filaments was smaller than that of Example 1. The knitted fabric of Comparative Example 4 had a compression rate of 69% and a recovery rate of 62%, both of which were lower than those of Example 1. The knitted fabric of Comparative Example 4 showed a large decrease in thickness when an initial load was applied in the compression rate evaluation, as in Comparative Example 1, and also tended to have a weak recovery. The cushion made using the knitted fabric of Comparative Example 4 had a thickness of 3 mm, and was easy to fold, but thinner than Example 1. The cushion's compression rate was 46%, and its initial recovery rate was 42%, both of which were lower than those of Example 1. The results are shown in Table 1.

[0069] Comparative Example 5 Using the same mohair yarn as in Comparative Example 1, the frequency of folding back the mohair yarn during raschel knitting was doubled as in Example 9, and the weight of the knitted fabric was 37 g / m 2 It was decided. The knitted fabric of Comparative Example 5 had a compression rate of 72% and a recovery rate of 68%, both of which were low, but the decrease in the recovery rate tended to be suppressed. The cushion made using the knitted fabric of Comparative Example 5 had a thickness of 4 mm, which was the same thickness as that of Example 1 and was easy to fold. The cushion's compression rate was 49% and its initial recovery rate was 49%, both of which were low. The results are shown in Table 2.

[0070] Comparative Example 6 As a conventional synthetic fiber filling, a sheet of batting (nonwoven fabric) made of 3.3T polyester staple fibers was used. The sheet cotton of Comparative Example 6 had a compression rate of 50% and a recovery rate of 78%, and the compression rate at low load was low, making it difficult to compress easily. In addition, the amount of deformation due to compression was small, so the recovery rate was high. Next, the basis weight is 40g / m 2 The cushion was filled with the sheet cotton and made in the same manner as in Example 1. The cushion of Comparative Example 6 had a thickness of 7 mm, and was a cushion of uniform thickness without any unevenness. In addition, when evaluating the cushion, it was difficult to fold, and it was necessary to make creases in advance. The compression rate of the cushion evaluated in this way was 37%, and the initial recovery rate was 29%, both of which were low. The results are shown in Table 2.

[0071] Comparative Example 7 As a conventional synthetic fiber filling, granular filling made of 3.3T polyester staple fiber was used. The granular cotton of Comparative Example 6 had a compression rate of 56% and a recovery rate of 65%, and like Comparative Example 6, the compression rate at low load was low and it was difficult to compress easily. In addition, due to the presence of clumps of granular cotton, there was variation in thickness at each height measurement point during the compression rate evaluation. Next, to make the cushion, sew the three edges of the 40cm square fabric, then quilt in parallel in one direction with a quilt pitch of 10cm to create pockets. The filling weight of the cushion is 40g / m 2 The cotton pellets were weighed so that the weight was equal to the amount of cotton that would be used, and then each pocket was filled with the cotton pellets. One edge of the fabric was sewn closed to create a cushion measuring 40 cm square. The cushion of Comparative Example 7 was 8 mm thick, but the filling of the granular cotton was uneven, resulting in a cushion with an uneven thickness. The cushion's compression rate was 46% and its initial recovery rate was 46%, both of which were low. The cushion of Comparative Example 7 could be folded because the granular cotton moved from the creases when folded, but when the folded cushion was opened, the granular cotton did not easily return to its original position, and the unevenness of the granular cotton worsened with each measurement. The results are shown in Table 2.

[0072] Comparative Example 8 The cushion was produced in the same manner as in Comparative Example 7, using feathers consisting of 90% down and 10% feathers as stuffing, and the filling weight of the cushion was 40 g / m 2 We created a cushion filled to the brim. In Comparative Example 8, the cushion was 18 mm thick and very thick, but the compression rate at low load was low at 44%, and it was difficult to compress and fold. In addition, the initial recovery rate of the cushion was 48%, and it took a long time to recover if the cushion was not "beaten" or otherwise restored to its original shape, as is done with normal feather products. The results are shown in Table 2.

[0073] [Table 2] [Explanation of symbols]

[0074] 1 Flower thread 2 core yarn 3 Presser thread 4. Fusible thread 5a, 5b, 5c, 5d ground thread 6. Mohair Yarn 7a Stitch warp side length 7b Weft length 8 Filament protrusion length 9 Thread crossing position 10 Spacing of filament fusing points

Claims

1. A knitted fabric containing mohair yarn, characterized in that the compression ratio of the knitted fabric evaluated in accordance with JIS L1097:1982 is 75% or more.

2. 2. The knitted fabric according to claim 1, wherein the knitted fabric has a compression recovery rate of 70% or more as evaluated in accordance with JIS L1097:1982.

3. 3. The knitted fabric according to claim 1, wherein the number of single filaments of the filament yarn of the mohair yarn is 15 or more and 60 or less, and the total fineness of the filament yarn is 70 dtex or more and 400 dtex or less.

4. 3. The knitted fabric according to claim 1 or 2, characterized in that the total fineness of the core yarn of the mohair yarn is 150 dtex or more.

5. The opening of the knitted fabric is 100 mm ２ More than 650 mm ２ 3. The knitted fabric according to claim 1, wherein the knitted fabric is:

6. 6. The knitted fabric according to claim 5, wherein the weft / warp ratio of the stitches of the knitted fabric is 2.0 or less.

7. A stuffing material using the knitted fabric according to claim 1 or 2.

8. A textile product using the stuffing according to claim 7.

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