JP2016000870A - Napped knitted fabric - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a comfortable napped knitted fabric having high thermal insulation, thinness, lightness, flexibility, and particularly high stretchability even in a longitudinal direction by means of napping without cutting elastic fibers even in a stretchable thin single knit using the elastic fibers.SOLUTION: A single knit containing elastic yarns has front yarns and back yarns in knitting loops of all stitches, and yet has perfectly reversible three layer loop structures arranged with elastic yarns between front yarns and back yarns by 45-100% of all knitting loops, where at least back yarns are napped.

Description

  The present invention relates to a brushed knitted fabric that is thin and lightweight and has excellent heat retention and stretchability.

  So far, many studies have been made to increase heat retention in knitted fabrics for clothing worn in autumn and winter. Some have studied the thickness of knitted fabric and knitted fabric (back hair, pile), some have used hollow fibers, others have applied yarn shrinkage after dyeing, and all have an air layer on the knitted fabric. Heat retention. Among them, it is well known that high heat retention is obtained by raising the surface of the knitted fabric to make it fluffy.

  As a method of raising the skin surface and improving the heat retention, a knitted fabric made of a front yarn, a back yarn, and a binding yarn that is attached to the front yarn and connects the front yarn and the back yarn is manufactured. At the time, at least one of the spun and twisted spun yarn as the binding yarn and the front yarn is a spinning single yarn having a twist coefficient of 2.0 to 3.0 and the same twist direction, and the twisting direction of the binding yarn and the front yarn is A method has been proposed in which knitting is performed with a circular knitting machine having 60 or more yarns rotating in the same direction, and then dyeing, raising and finishing are performed by a conventional method (see Patent Document 1). In this method, the heat retention was high due to the back hair tissue, but it was thick, and when it was put on the underwear with a heavy basis weight, it was easy to feel a worn feeling.

  Examples of including elastic fibers in order to enhance stretchability include non-thermoplastic elastic yarns for ground yarns, and stretchable raising with low melting thermoplastic fibers and high melting thermoplastic fibers for ground yarns and / or napped yarns A fabric has been proposed (see Patent Document 2). In this method, the stretchability is improved, but it is difficult to raise strongly without cutting the elastic fiber.

  Further, as a method for protecting an elastic fiber at the time of raising by using a covered elastic yarn in which the elastic yarn is covered with an inelastic yarn, a covered elastic yarn in which a polyester filament A covers a polyurethane elastic fiber and a polyester filament B are provided. Stretch raised knitted fabric knitted by sharing knots of knitted fabric, filaments of both filament B and filament A are raised, and single filament fineness b (denier) of filament B and filament A stretch raised knitted fabric having a ratio (a / b) of A to a single fiber fineness a (denier) of 2 or more has been proposed (see Patent Document 3). In this method, although elastic fibers are covered with non-elastic yarns, there are elastic fibers on the raised surface, so it is not possible to raise the fibers strongly like a raised cloth without cutting the elastic fibers at all. difficult.

  In addition to the above problem, Patent Document 2 does not consider improving the heat retaining property from the material surface, and Patent Document 3 does not consider both the heat retaining property and the hygroscopic property on the material surface.

Japanese Patent Laid-Open No. 10-46452 Japanese Patent Laid-Open No. 2003-129356 JP-A-10-259552

  The present invention has been made in order to solve the above-described problems related to raising of the conventional stretch knitted fabric. The purpose of the present invention is to provide a thin single knit having a stretch property using an elastic fiber. It is to provide a comfortable raised knitted fabric having high heat retention, thinness, lightness, stretchability, and particularly high stretchability in the vertical direction.

  As a result of intensive studies to achieve the above object, the present inventors have adopted a three-layer structure in which elastic yarns are arranged between a front yarn and a back yarn in one knitting loop, thereby providing an intermediate layer. The inventors have found that the elastic yarn can be strongly raised without damaging an elastic yarn, and the present invention has been completed.

That is, the present invention has the following configurations (1) to (4).
(1) In a single knit including an elastic yarn, the entire knitting loop has a three-layer loop structure in which the front yarn and the back yarn are present in the knitting loop and the elastic yarn is arranged between the front yarn and the back yarn. A raised knitted fabric characterized by having 45 to 100% of the yarn and at least the back yarn is raised.
(2) The raised knitted fabric according to (1), wherein the three-layer loop structure is completely reversible.
(3) The raised knitted fabric according to (1) or (2), wherein the knitted fabric is a single knit in which elastic yarns are connected in the vertical direction.
(4) The brushed knitted fabric according to any one of (1) to (3), wherein the knitted structure is a whole-body bare tengu, a bare canopy, a cord lane, or a combination thereof.

  According to the knitted fabric of the present invention, although it is a single knit thin fabric, it can be raised strongly using a fiber material with high heat retention, so it is very warm when worn. In addition, it has high stretchability, especially vertical elongation, and is excellent in wearing comfort because it can follow the expansion and contraction of the skin.

FIG. 1 is a conceptual diagram of a three-layer loop structure in the present invention. FIG. 2 is an explanatory diagram of a three-layer loop structure according to the present invention. FIG. 3 is an explanatory diagram of a three-layer loop structure according to the present invention. FIG. 4 is an explanatory diagram of a three-layer loop structure according to the present invention. FIG. 5 is an explanatory diagram of a three-layer loop structure according to the present invention.

  The elastic yarn used for the knitted fabric of the present invention is not particularly limited, and examples thereof include polyurethane-based, polyether ester-based, polyolefin-based elastic yarns. The polyurethane-based elastic yarn includes a synthetic fiber that includes a urethane bond in the polymer skeleton and is rich in stretch properties, and the polymer skeleton may be either polyether-based or polyester-based. The polyurethane elastic yarn is produced, for example, by dry spinning or melt spinning, and the polymer and spinning method are not limited, but polyester polyurethane is preferable for preventing curling of the knitted fabric.

  The polyether ester elastic yarn is preferably a polyether ester elastic yarn comprising a polyether ester elastomer having polybutylene terephthalate as a hard segment and polytetramethylene oxide glycol as a soft segment. The polyolefin-based elastic yarn is composed of olefin fibers that are substantially linear while having a uniform branch, and is preferably subjected to a crosslinking treatment from the viewpoint of improving various physical properties such as heat resistance. Here, the olefin fiber which is uniformly branched and is substantially linear refers to a polymer obtained by polymerizing an olefin monomer, and the degree of branching of the polymer is uniform. For example, low-density polyethylene copolymerized with α-olefin and elastic fiber described in JP-A-8-509530 correspond to this. Examples of the crosslinking treatment method include chemical crosslinking using a radical initiator and a coupling agent, and a method of crosslinking by irradiating energy rays. In view of the stability after the product is obtained, crosslinking by irradiation with energy rays is preferable.

  The fineness of the elastic yarn is preferably 10 to 85 dtex. If it is within this range, the knitted fabric of the present invention can obtain a stretching force suitable for clothing. More preferably, it is 20-45 dtex. If the fineness is lower than the above range, it will be difficult to give sufficient elastic force to the knitted fabric, and if it exceeds the above range, knitting will be difficult and inversion will occur, and the elastic yarn will break in the raising process, Irritated and easy to deteriorate appearance quality.

  The material that becomes the front yarn and the back yarn other than the elastic yarn constituting the knitted fabric of the present invention is not particularly limited, natural fibers such as cotton, silk, wool, acrylic, rayon, polyester, nylon, etc. Synthetic fibers and the like can be used as appropriate, but it is preferable to use fibers having low thermal conductivity in order to improve the heat retention, which is the object of the present invention. Moreover, it is also preferable to mix a highly hygroscopic fiber.

  Examples of the fiber having low thermal conductivity include acrylic fiber, acrylate fiber, polyethylene fiber, polypropylene fiber, polyphenylene sulfide fiber, and wool, and acrylic fiber is preferable from the viewpoint of excellent dyeability for clothing. In addition, not only the thing of a single fineness but the thing which mixed ultrafine fiber and the different fineness acrylic fiber of normal fineness may be used for an acrylic fiber.

  A highly hygroscopic fiber is a material having a moisture content of 7% or more in a standard state, such as cellulose fibers such as cotton and rayon. The highly hygroscopic fiber may constitute the surface layer and / or the back layer alone of the three-layer loop structure of the knitted fabric of the present invention, and has low thermal conductivity and high heat retention like acrylic fiber. The fiber may be blended with the fiber.

  When using acrylic fiber, the single yarn fineness is preferably 0.3 to 2.0 dtex. More preferably, it is preferable to mix two types of fibers, ie, ultrafine fibers having a single yarn fineness of 0.3 to 0.7 dtex and normal fine fibers having a single yarn fineness of 0.8 to 2.0 dtex. More preferred are ultrafine fibers having a single yarn fineness of 0.4 to 0.6 dtex and normal fine fibers having a single yarn fineness of 0.8 to 1.3 dtex. Moreover, it is preferable that the fineness difference of both fibers is 0.5 dtex or more. When the single yarn fineness of the ultrafine fiber is less than the above range, the color density when dyeing is extremely lowered, and it becomes difficult to obtain uniform dyeability of the blended yarn. On the other hand, when the above range is exceeded, the difference in fineness is reduced, the inter-fiber voids are lowered, and the heat retention is not improved. When the single yarn fineness of the normal fineness fiber is less than the above range, the fineness difference from the ultrafine fiber is low, and it is difficult to obtain fine voids between the fibers. Further, when the above range is exceeded, the knitted fabric tends to become hard or tinged. The single yarn fineness of the cellulosic fibers to be blended is preferably 0.8 to 2.0 dtex, and more preferably 0.8 to 1.3 dtex. When the single yarn fineness of the cellulosic fiber is less than the above range, the fineness difference from the acrylic ultrafine fiber is reduced and the heat retention is lowered. When the above range is exceeded, it is difficult to spin fine yarn and the texture tends to be hard.

  The knitted fabric of the present invention is composed of a single knit to realize a thin and light knitted fabric. Single knit is a knitted fabric made by a circular knitting or flat knitting machine having a single needle hook. Although the basic structure of the knitted fabric is a tenjiku knitting, it may be a structure including a welt or a tack in the knitting structure. In the knitted fabric of the present invention, it is necessary that the front yarn and the back yarn exist in the knitting loop for all stitches. The front yarn refers to a yarn that appears to be present only on the surface when viewed from one side (front) of the knitted fabric. Further, the back thread refers to a thread that appears to be present only on the surface when viewed from the other side (back). In the present invention, such a structure in which only one type of thread can be seen on one side is called a completely reversible structure.

  The knitted fabric of the present invention adopts a structure in which the front yarn and the back yarn are present in the knitting loop for all the stitches of the single knit as described above, and an elastic yarn is arranged between the front yarn and the back yarn. It is characterized by having a three-layer loop structure. By having such a three-layer loop structure, it is possible to raise the elastic yarn without cutting it in the raising process. Here, the three-layer loop structure means that three types of yarns are knitted at the same time, and one loop consists of three layers: a front yarn that appears on the front surface, a middle layer yarn that does not appear on the front or back, and a back yarn that appears on the back surface. Say the structure that is made. A conceptual diagram of this three-layer loop structure is shown in FIG. In FIG. 1, the thread A is a front thread, the thread C is a back thread, and the elastic thread B is a middle layer thread. When such a three-layer loop structure is not formed, the elastic yarn appears to flicker on the surface of the fabric and deteriorates its appearance, and the elastic yarn is cut when it is raised, so that the fabric has a defect and is not useful. In addition, when the front yarn and the back yarn are different from each other, the color difference between them may be conspicuous and the appearance quality may deteriorate.

  The three-layer loop structure of the present invention will be further described in detail with reference to FIGS. FIG. 2 shows the state of a knitted loop that is plated to form a three-layer arrangement, in which the yarn A is arranged on the surface of the knitted fabric, the elastic yarn B is arranged on the back of the yarn A, and the elastic yarn A thread C is arranged behind B. Only the thread A is visible from the front side, and only the thread C is visible from the back side. In other words, the elastic yarn B is arranged in a state where it is not visible from the front or back while being sandwiched between the yarn A and the yarn C. FIG. 3 shows an arrangement state of the yarn A, the elastic yarn B, and the yarn C on the needle of the knitting machine. FIG. 4 shows the relative arrangement of the yarn A, the elastic yarn B, and the yarn C in the knitting needle and the arrangement of the three yarns just before knitting at the moment when the knitting needle grasps the yarn. The movement of the thread is explained. That is, when viewed over time, immediately after the thread enters the needle, the back thread C is arranged on the side of the spatula, the elastic thread B is arranged in the center, and the front thread A is arranged on the back side of the hook, and the needle is knocked over. In the process of descending, the front yarn A moves to the side of the spatula, the back yarn C moves to the back side of the hook, and the elastic yarn B remains in the center and forms a loop.

  What is important as a knitting condition in order to obtain a three-layer loop structure is that a type having a needle shape and having a hook portion at the tip larger than a general needle increases reversibility. It is also important to control the yarns A and B to be knitted in the knitting needle. The knitting condition for this purpose is to adjust the insertion position (angle) of the yarn A, the elastic yarn B, and the yarn C separately so that the yarn A, the elastic yarn B, and the yarn C are arranged. FIG. 5 shows a conceptual diagram of the yarn carrier. The back thread C is set to the closest thread to the knitting needle, the elastic thread B is set to the center thread, and the front thread A is set to the far end thread. Set the thread C farthest and the front thread A closest. The elastic yarn B is at an intermediate position between the back yarn C and the front yarn A.

  Further, the tension of the yarn feeding A is set to be weak and the tension of the yarn feeding C is set to be strong. For the elastic yarn B, it is necessary to adjust the draft appropriately so as not to turn over. Thus, a three-layer loop structure can be realized by well controlling the yarn insertion position and yarn feeding tension. By setting the yarn length so as to lower the yarn supply tension of the front yarn A, it is easy to move to the side when the needle descends, and by raising the yarn supply tension of the back yarn C, it moves to the back side of the needle hook. It becomes easy. For the elastic yarn B, the draft is adjusted as appropriate so that the elastic yarn B is knitted between the front yarn A and the back yarn B.

  In addition, the method shown above is only an illustration and is not limited to this. In order to knit a knitted fabric having a three-layer loop structure, it is important to use a single knitting machine having a yarn carrier shown in FIG. 5 and capable of knitting a bare sheeter having a bare draft device. The shape of the knitting machine manufacturer and the yarn carrier is not limited. What is necessary is just to change the gauge of a knitting machine suitably according to the count to knitting.

  Next, by making 45 to 100% of all the reversible loops into a three-layered loop structure, the sufficient stretch property of the present invention can be obtained. For example, 50% of all loops may be obtained by plating one elastic yarn for two feeders, for example. 100% is a case where a knitted fabric is composed of only stitches having a three-layer loop structure by plating elastic yarns on all loops. When this ratio is less than 45%, sufficient stretch stress and recoverability cannot be obtained, and the dimensional stability of the finished knitted fabric tends to decrease.

  In order to improve stretchability in the vertical direction, it is preferable that the loops of the elastic yarn are connected in the vertical direction. As a structure to make elastic yarns connected in the vertical direction with single knit, all-necked bare tengu where the knitting structure is composed only of knit, bare canopy that constitutes the knitting structure with knit and tuck, knitting structure with knit and welt There are cord lanes and the like, and a jacquard knitted fabric combining these structures may be used. By increasing the stretchability in the vertical direction in this way, it is possible to expect the effect of improving the followability of the knitted fabric at the bending portions of the body such as elbows, knees, buttocks, and supporting muscle exercise. Applications that can effectively use the vertical stretch structure include long sleeve shirts, long sleeve inner pants, spats, tights, compression underwear and winter sportswear. In addition, the stitches are tightly shortened in the warp and width directions, and the stitches are clogged to reduce air permeability, so that it is easy to maintain heat retention even when wind blows.

  The raising in the present invention is a process of making a fluff by pulling out or cutting a single fiber by a projection such as a needle or a paper file. Further, it may be raised in a dry state, or may be raised by applying water. Here, the raised state means that a single fiber on the surface of the knitted fabric is cut by a protrusion of the raising machine, pulled out with a needle, etc. Say improved. Although the present invention is characterized in that the back surface that could not be formed by the conventional bare sheeting can be raised, not only the back surface but also both surfaces may be raised.

  For the dyeing process of the knitted fabric of the present invention, a stretch knitted fabric processing method using ordinary elastic fibers can be employed. As a general process of stretch knitting, for example, processing is performed in the order of scouring pretreatment-scouring-dying-finishing / setting. Here, the scouring pretreatment is important in order not to cause processing wrinkles on the knitted fabric in an intermediate step. For example, processing wrinkles can be prevented by heat setting the raw machine with dry heat or liquid heat treatment with spreading. When a polyester-based polyurethane fiber having high heat setting property is used as the elastic fiber, curling can be prevented by setting the living machine at a temperature of 160 to 180 ° C. In the present invention, care is taken not to apply a strong tension during processing in order not to deteriorate the elongation rate and elongation recovery rate of the finished fabric. Subsequently, it dyes | stains with suitable dye seed | species according to the fiber raw material which comprises a knitted fabric. In addition, if the temperature is lowered rapidly after scouring or dyeing, the acrylic will drip and the temperature should be lowered slowly.

  A general finishing process such as a softening agent or an antistatic agent may be applied to the knitted fabric of the present invention, or other various functional processes may be performed alone or in combination. Examples of functional processing include, but are not limited to, antifouling processing such as hydrophilic processing, UV cut processing, antistatic processing, and skin care processing.

The knitted fabric of the present invention is characterized by being thin and light despite being raised. The thickness of the knitted fabric of the present invention is preferably 0.5 to 1.3 mm, more preferably 0.6 to 1.2 mm, and the basis weight is preferably 140 to 220 g / m ² , more preferably 150 to 200 g / m. a m ^2. Despite such thinness and lightness, the heat retention is excellent at 20 to 28%. Furthermore, the knitted fabric of the present invention is excellent in stretchability, and the stretch rate in the horizontal direction is 95 to 110%, and the stretch rate in the vertical direction is 40 to 60%. Compared with general knitted fabrics in particular. Excellent extensibility in the vertical direction. Moreover, the elongation recovery rate of the knitted fabric of the present invention is 90 to 99% in both the vertical and horizontal directions, and is excellent in stretchability. Since the knitted fabric of the present invention can increase the vertical and horizontal knitted fabric density and reduce the air permeability during the manufacturing process, a windproof effect can also be obtained.

  The knitted fabric of the present invention can be used for all uses for clothing, such as long-sleeved shirts that require stretchability, long-sleeved inner pants, spats, tights, compression underwear, winter sportswear, T-shirts, etc. It can be used for women's outerwear etc. used on the inside of layered clothing. Among them, a particularly preferred application is an underwear, an undergarment, a layering of a middle garment, etc. using the thin and light features of the present invention.

  Hereinafter, although the effect of the present invention is concretely explained using an example, the present invention is not limited to these examples. The characteristic values measured in the examples depended on the following method.

<Thickness of knitted fabric>
It measured based on the knitted fabric thickness of JIS-L-1096-8.4 thickness A method. The measured value was an average value of n = 5 times.

<Weight of knitted fabric>
It measured based on the mass per unit area in the standard state of JIS-L-1096-8.3.2 A method. The measured value was an average value of n = 3 times.

<Elongation rate>
Elongation rate of JIS-L-1096-8.16.1 In accordance with the B method (constant load method), a sample piece having a grip of 10 cm and a width of 2.5 cm is stretched by 80% at a tensile speed of 30 cm per minute. The tensile stress was measured.

<Elongation recovery rate>
Elongation recovery rate of JIS-L-1096-8.16.2 It measured based on B-1 method (constant load method).

<Heat retention>
Using a thermolab II manufactured by Kato Tech, set the BT-BOX BT plate (hot plate) to 35 ° C assuming the human skin temperature in an environment of 20 ° C and 65% RH, and put a sample on it. And measure the power consumption W when the amount of heat transfer is balanced. Further, the power consumption W0 under the condition where no sample is placed is measured. The heat retention (%) is calculated by the following formula.
Thermal insulation (%) = [(W0−W) / W0] × 100
The BT plate is 10 cm × 10 cm in size, but the sample is 20 cm × 20 cm. Usually, measurement is performed by bringing the sample into contact with a hot plate, but the heat retaining property of the present invention is measured by providing a spacer such as a fired polystyrene having a heat insulating property on the hot plate and providing a gap of 5 mm from the sample. .

<Appearance evaluation>
The state of the elastic fiber in the finished fabric and the dyeing quality were visually evaluated according to the following three criteria.
X: Elastic fiber breaks, the size of the stitches changes, and the entire surface of the knitted fabric becomes uneven, resulting in poor quality.
Δ: The elastic fiber is broken in some places, the size of the stitches partially changes, the surface of the knitted fabric is uneven, and the quality is poor.
○: The elastic fiber is not cut and the uniform stitch is beautiful.

<Evaluation of fully reversible>
The finished knitted fabric is cut to a total width of 1 meter, spread on a flat table and allowed to stand. The surface of the knitted fabric is viewed from above, and it is observed and evaluated whether an elastic yarn can be seen between the surface yarns of the three-layer loop. Next, turn over the knitted fabric and perform the same evaluation with the back side facing up. The evaluation results are performed according to the following criteria.
○: The elastic yarn is not visible from both sides of the knitted fabric.
X: The elastic yarn can be seen from either the front or back.

(Example 1)
70% by weight of acrylic short fiber (Japan Exlan Industry 0.5T type, 0.5dtex, fiber length 32mm) and 30% by weight of acrylic short fiber (Japan Exlan Industry 1.0T type, 1.0dtex, fiber length 38mm) Then, after blending with an OHARA blender, a card sliver was used with a card machine manufactured by Ishikawa Seisakusho, and a 250 selenium / 6 yd sliver was passed through a loom mill made twice. Further, this sliver was passed through a Toyoda Automatic Loom Co., Ltd. to produce a 60 gelen / 15 yd roving. Using a ring spinning machine manufactured by Toyota Industries Corporation, spinning was performed at a draft of 40 times and a traveler rotation speed of 9000 rpm to obtain a spun yarn with an English count of 80/1. The twist coefficient (K) at that time is 3.8 (twist number 34 T / inch). The spun yarn was inserted from a position farthest from the needle through a dedicated yarn carrier to obtain a front yarn. Further, using the same yarn as the front yarn, it was inserted from a position closest to the needle through a dedicated yarn carrier to obtain a back yarn. Furthermore, polyurethane 22T (Nisshinbo Mobilon R) was inserted from a middle position between the front yarn and the back yarn through a dedicated yarn carrier to form an intermediate yarn, and a bare sheet having a three-layer reversible structure was knitted. As for the knitting conditions, a Taiwan-made bare sheet knitting machine 38 ″ -24G was used, the knitting yarn length of the yarn used on the front side of the spun yarn was 330 mm / 100 wale, and the knitting yarn length of the yarn used on the back side was 310 mm / 100 W. The knitting yarn length of polyurethane 22T used for the intermediate layer was 110 mm / 100 W.

The obtained raw machine was pre-set under the following conditions, and after dyeing and drying, the back raising of the fabric was performed, and finishing set was performed.
Presetting was performed at 180 ° C. × 20 m / min using a Ichikin Kogyo tenter.
Next, using a liquid dyeing machine NS type manufactured by Hisaka Seisakusho, the knitted fabric was not opened, and was scoured under the processing conditions and scouring prescription described below and washed with hot water. Thereafter, acrylic was dyed with a cationic dye and washed, and then the knitted fabric was taken out from the dyeing machine. After centrifugal dehydration, drying (120 ° C. × 3 minutes) was performed using a shrink surfer dryer made by Hirano Techseed.
Treatment conditions: bath ratio 1:15, 95 ° C. × 30 minutes.
Scouring prescription: Scouring agent (Neugen HC manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) 1 g / l, sequestering agent (Neocrystal GC1000 manufactured by Nikka Chemical Co., Ltd.) 0.5 g / l, Soda ash 0.5 g / l Care was taken in the tension so that the knitted fabric did not stretch in the warp direction during drying.

After drying, the back side of the bare Tendon dough was raised using an Italian LAMPERI (Lampertty) needle cloth raising machine, and then the width was set with a tenter and set. After drying, the fabric was opened and set with a tenter to adjust the quality, and finally a knitted fabric with a basis weight of 168 g / m ² and a thickness of 0.82 mm was obtained. Table 1 shows the details of the finished knitted fabric and the evaluation results. There was no bare cut after raising, which was a problem, and a good knitted fabric without bare peeling could be obtained, and the heat retaining property was also excellent.

(Example 2)
A knitted fabric was prepared in the same manner as in Example 1 except that the front yarn was changed to 100% cotton English count 80/1. Supima cotton is used to make a card sliver using a card machine from Ishikawa Seisakusho, then a comb river with Toyoka's comb, then a sliver with a drawing machine, and a draft of 8 times with a roving machine. Then, a roving yarn was prepared and drafted 45 times with a spinning machine to spin a yarn with an English count of 80/1. For dyeing, in addition to acrylic dyeing in Example 1, cotton dyeing was performed by reactive dyeing using the same dyeing machine as in Example 1. Thereafter, fabric back raising and finishing set were performed in the same manner as in Example 1. Table 1 shows the details of the finished knitted fabric and the evaluation results. When the finished knitted fabric was evaluated, it was possible to obtain a good knitted fabric with no bare cuts and no peeling off as in Example 1.

(Example 3)
Create a knitted fabric in the same manner as in Example 1 except that the front yarn is 100% cotton English count 80/1 as in Example 2, and further the polyester false twisted yarn 84T-36f is placed in the back yarn. did. Polyester processed yarn was Toray manufactured yarn. For dyeing, disperse dyeing was performed to dye polyester, followed by reactive dyeing of cotton dyeing. Otherwise, a knitted fabric was prepared in the same manner as in Example 1. Table 1 shows the details of the finished knitted fabric and the evaluation results. When the finished knitted fabric was evaluated, a good knitted fabric could be obtained in the same manner as in Example 1.

Example 4
A knitted fabric was prepared in the same manner as in Example 1 except that the nylon processed yarn 78T-48f was used for the front yarn and the acrylic yarn having the same English count 80/1 as in Example 1 was used for the back yarn. Toyobo nylon sill fine 78T was used as the nylon processed yarn. For dyeing, a knitted fabric was prepared in the same manner as in Example 1 except that nylon was dyed using an acid dye. Table 1 shows the details of the finished knitted fabric and the evaluation results. When the finished knitted fabric was evaluated, a beautiful surface feeling was obtained by using long fibers on the front side, and a good knitted fabric having no bare cuts and no peeling off as in Example 1 could be obtained. It was.

(Example 5)
The same knitting machine as in Example 1 was used for the dyeing process in the same manner, and then both sides were raised to create a set knitted fabric. Table 1 shows the details of the finished knitted fabric and the evaluation results. When the finished knitted fabric was evaluated, as in Example 1, there were no bare cuts due to raising, peeling of the eyes, and the effect of double-sided raising, which was thick and lightweight, but had very high heat retention. Could get.

(Example 6)
The yarn was knitted by the same yarn and knitting method as in Example 1 except that polyurethane 22T was arranged on 50% (alternately) of the yarn. The yarn supply without polyurethane is made up of two layers of acrylic on the front and back. As a result of evaluating the finished knitted fabric, it was possible to obtain a knitted fabric having a good stretchability and texture without bare breaks as in Example 1.

(Example 7)
100% cotton English count 40/1 is used for the front yarn, polyester short fiber English count 50/2 is used for the back yarn, and a 38 ″ -14G knitting machine is used as in Example 3. The polyester short fibers used were Y-shaped cross-section yarns manufactured by Toyobo Co., Ltd. The dyeing was carried out by disperse dyeing for dyeing polyester, followed by reactive dyeing of cotton dyeing. The same method was used for raising the back, and the details and evaluation results of the finished knitted fabric are shown in Table 1. When the finished knitted fabric was evaluated, the same characteristics as in Example 1 were obtained, and the meat Thick and knitted fabric with very high heat retention could be obtained.

(Comparative Example 1)
A knitted fabric prepared by the same yarn, knitting structure and dyeing method as in Example 1 was finished without raising. Table 1 shows the details of the finished knitted fabric and the evaluation results. When the finished knitted fabric was evaluated, the fabric thickness was thin and the heat retention was not satisfactory at 18.1%.

(Comparative Example 2)
The same method as in Example 1 was prepared by forming a three-layer knitted fabric in which 100% acrylic 80/1 yarn used in Example 1 was placed on the front side and the intermediate layer, and polyurethane was plated on the back side. A knitted fabric with dyeing and brushed back was created. Table 1 shows the details of the finished knitted fabric and the evaluation results. When the finished knitted fabric was evaluated, it was not satisfactory because the bare brushing caused bare cuts and bare eyelashes. Further, the thickness of the fabric was thin and the heat retention was not satisfactory at 19.2%.

(Comparative Example 3)
A 38 ″ -18G bare milling plate was prepared by plating polyurethane 22T using the 100% acrylic English count 80/1 used in Example 1. The same processing prescription and raising conditions as in Example 1 were applied. Details of the finished knitted fabric and the evaluation results are shown in Table 1. When the finished knitted fabric was evaluated, bare cuts occurred due to back raising, and the surface quality of the fabric was not satisfactory.

  According to the knitted fabric of the present invention, although it is a single knit thin fabric, it can be raised strongly using a fiber material with high heat retention, so it is very warm when worn. In addition, it has high stretchability, especially vertical elongation, and is excellent in wearing comfort because it can follow the expansion and contraction of the skin. Therefore, the knitted fabric of the present invention can be suitably used for inner and outer parts that are required to have excellent stretchability and heat retention.

Claims (4)

  In a single knit including an elastic yarn, a 45-layer loop structure has a three-layer loop structure in which a front yarn and a back yarn are present in the knitting loop at all stitches, and an elastic yarn is arranged between the front yarn and the back yarn. Raised knitted fabric characterized by having ~ 100% and at least the back yarn is raised.   The raised knitted fabric according to claim 1, wherein the three-layer loop structure is completely reversible.   The raised knitted fabric according to claim 1 or 2, wherein the knitted fabric is a single knit in which elastic yarns are connected in the vertical direction.   The raised knitted fabric according to any one of claims 1 to 3, wherein the knitting structure is a whole-mouth bare tengu, a bare canopy, a cord lane, or a combination thereof.