JP2007119941A - Three-layered structure fabric - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fabric which is comfortable, when worn, and does not give a sticky sense, when a wearer sweats. <P>SOLUTION: This three-layered structure fabric is characterized in that one of the outer layers and the middle layer contain cellulose fibers having a twist coefficient of 6,000 to 35,000 and the other contains non-shrinkable fibers. The cellulose fibers having a twist coefficient of 6,000 to 35,000 are preferably contained in an amount of 5 to 80 wt.%. The layer containing the cellulose fibers having a twist coefficient of 6,000 to 35,000 and at least one outer layer containing the non-shrinkable fibers are partially separated from each other. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a fabric having a special function. More specifically, the present invention provides a fabric that is comfortable when worn and sweated.

In conventional garments, when sweat is generated by exercise such as sports, the fabric absorbs sweat, and the skin and the fabric are in close contact with each other, so that there is a so-called stickiness. In order to prevent this, various fabrics have been developed. For example, the surface of the fabric that comes into contact with the skin has an uneven surface, and the contact area between the fabric and the skin is reduced during sweating and sweating, so that no sticky feeling is produced. (See Patent Document 1). However, if there is unevenness on the surface of the fabric that comes into contact with the skin, it will surely sweat, and if the fabric absorbs sweat, there will be no stickiness, but the unevenness on the surface will leave a rough feeling. It ’s not good clothes. In addition, a method has been proposed that uses a special thread to self-extend when sweating and make the fabric uneven, but this also has a special thread on the skin side, so it feels sticky when sweating. The decrease was slight (see Patent Document 2). Thus, there is currently no fabric that is comfortable when worn and when sweating.
JP 2001-303408 A JP 2005-36374 A

  An object of the present invention is to provide a fabric that is comfortable when worn and does not feel sticky when sweating.

  As a result of intensive studies including a wear test on the fabric structure for achieving the object, the present inventor has made the fabric into a three-layer structure, and when sweating due to exercise or the like, fibers located in the intermediate layer of the three-layer structure fabric If fibers that absorb sweat and contract are used, and at least one outer layer uses fibers that shrink less during sweat absorption, the fibers are flat during drying but the fibers in the intermediate layer contract during sweat absorption and the outer layer shrinks. Since it is a small fiber, it protrudes to form a convex part and returns to a flat state when dried after sweat absorption, and if you sew clothes with the side where this convex part is formed as the skin side, it is comfortable even when sweating The conclusion was obtained. As a result of various studies to achieve the function of the intermediate layer, it was found that this function can be achieved by specifying the fabric structure and the material. That is, an object of the present invention is characterized in that one outer layer and / or the intermediate layer contains cellulose fibers having a twist coefficient of 6000 to 35000, and the other surface contains non-shrinkable fibers. Further, it is characterized by containing 5 to 80% by weight or more of cellulose fibers having a twist coefficient of 6000 to 35000, and further comprising a layer containing cellulose fibers having a twist coefficient of 6000 to 35000 and non-shrinkable fibers. This is achieved by a three-layer fabric characterized in that it is partially separated from at least one outer layer.

  The present invention can produce a fabric that does not feel sticky even when sweating, and provides a comfortable wearing feeling in sportswear, inner clothes, outer clothes, and the like.

Hereinafter, the present invention will be described in detail.
In the present invention, the three-layer structure fabric is a structure having an intermediate layer in the outer layer structure of the front and back two layers, and the front layer, the back layer and the intermediate layer are separated and partially connected. A structure having a part, or a structure in which an outer layer and an intermediate layer of a surface layer or a back layer are integrated and the other outer layer part is separated and partially has a connecting part, that is, a twist coefficient of 6000 to 35000 The cellulose fiber-containing layer and at least one outer layer containing non-shrinkable fibers are partially separated, and various structures and structures that can be produced by knitted fabrics and woven fabrics can be selected. Cellulose fibers having a coefficient of 6000 to 35000 are contracted, and the separated non-shrinkable fibers are raised to form convex portions.

  As for the shape of the partially separated part, it has a round shape, an elliptical shape, a square shape, a diamond shape, a dot shape with an area such as a star shape, a regular continuous shape with a certain width, or an irregular shape. The arrangement is arbitrary, such as a checkered pattern, a rising shoulder, and an irregular pattern. About the size of the part that is partially separated, even if it is too small or too large, the fabric unevenness effect at the time of sweating is reduced, and in the case of a dot shape with an area such as a round shape, a square shape, Both the long and short diameters are preferably 2 to 15 mm, more preferably 3 to 12 mm. In the case of a continuous shape having a certain width, the width is preferably 2 to 15 mm, more preferably 3 to 12 mm. It is.

  Since the total area of the convex part when sweat is absorbed is too small or too much, there is a feeling of stickiness when sweating, so the total area of the convex parts on the side where the convex part is formed when sweating is added Is preferably 20 to 90% of the surface of the fabric when dried, more preferably 30 to 80%, and particularly preferably 35 to 75%.

  As an example of a specific manufacturing method of the three-layer structure fabric according to the present invention, in the case of knitted fabric, a double circular knitting machine is used, the top layer and the back layer are knitted with a tentacle, the intermediate layer is a welt, and three layers every several wales There is a method of knitting or tucking together a dial, a cylinder with all the yarns knitting or tucking together (FIGS. 1-2, [1]-[3]). Further, the outer layer and the intermediate layer are integrated by plating knitting in one outer layer, and the other outer layer is formed into a knitted fabric, and these are connected to each other by knit or tuck (FIG. 3). To [4], [1] to [2]), and a method in which a cellulose fiber having a twist coefficient of 6000 to 35000 is positioned on one outer layer and the intermediate layer with the intermediate layer being a welt (FIG. 5). [1] to [3]). In the case of these circular knittings, if any of the fibers knitting three layers every few courses or all yarns are dialed, knit or tucked together, they are connected in the warp and weft directions. It is also possible to form a dot-like convex part having an area such as a round shape or a square shape when perspiration is absorbed (FIGS. 1 to 5, R).

In the case of warp knitting, a double knitting machine such as a double russell or double tricot can be easily knitted. Can be used, and these knitted fabrics can be partially connected with a middle rod.
When manufacturing a three-layer structure fabric with a woven fabric, the top layer, the back layer, and the intermediate layer are woven as a triple woven fabric, and the woven fabric is partially connected in the warp direction and, in some cases, several dozens in the weft direction. There is a method of providing a part.
One outer layer and / or the intermediate layer of the three-layer structure fabric produced by these contains cellulose fibers having a twist coefficient of 6000 to 35000, and the other outer layer contains non-shrinkable fibers. If designed, the three-layer structure fabric of the present invention can be obtained.

  The cellulose fiber according to the present invention includes cupra, rayon, bamboo fiber, cotton, etc., and preferably regenerated cellulose is used. Also, these long fibers and short fibers (spun yarns), long fibers 11 dt (decitex: the same symbol is used hereinafter) to 400 dt, short fibers 160 S (cotton count: the same symbol below) to 10 S, and these double fibers Yarn, trifilar yarn, knitting and weaving can be performed evenly, and each can be used as a thickness suitable for the structure. For long fibers, 40 dt to 170 dt, and for short fibers, about 30 S to 120 S are preferable. .

  In the present invention, the cellulose fibers are twisted so as to have a twist coefficient of 6000 to 35000. When the cellulose fiber is twisted with a twist coefficient of 6000 to 35000, the function of contracting at the time of sweat absorption of one outer layer and / or the intermediate layer can be exhibited. When the twist coefficient is less than 6000, the intended function of the present invention cannot be exhibited, and when the twist coefficient is greater than 35,000, it becomes difficult to produce the fabric and the cost is unfavorable. Therefore, the twist coefficient may be set to 6000 to 35000, preferably 8000 to 30000, more preferably 10000 to 25000.

  In the present invention, a cellulose fiber having a twist coefficient of 6000 to 35000 is used. The cellulose fiber may be used alone or in combination with other yarns. For example, interlaced composite yarn with polyester is useful, but it is important to combine so as not to inhibit the shrinkage at the time of sweat absorption of cellulose fibers having a twist coefficient of 6000 to 35000. This is not preferable.

  In the present invention, the mixing ratio of cellulose fibers having a twist coefficient of 6000 to 35000 contained in one outer layer and / or the intermediate layer is preferably 5 to 80% by weight of the entire fabric. When the amount is 5% by weight or less, the convex portion of the fabric is not formed at the time of sweat absorption of the present invention, and the object is not achieved. Even when the mixing ratio is more than 80% by weight, the shrinkage of the whole fabric upon sweat absorption increases and the clothing size changes. This is not preferable. More preferably, it is 10 to 70% by weight, and particularly preferably 15 to 60% by weight. The method for mixing cellulose fibers having a twist coefficient of 6000 to 35000 is arbitrary, but there are a method of designing a fabric so as to be contained in one outer layer and / or an intermediate layer, a method of forming a composite yarn with a non-shrinkable yarn, and the like. However, it is preferable that the cellulose fiber having a twist coefficient of 6000 to 35000 is exposed to less than 50% in the other outer layer, and if it is exposed to 50% or more, the effect of developing the convex portion is reduced during sweat absorption, which is not preferable.

  In the present invention, the intermediate layer and / or one outer layer contains cellulose fibers having a twist coefficient of 6000 to 35000, and the other outer layer is a non-shrinkable fiber. It is a fiber that does not change greatly in size when it contains water, measures the fiber length under a load of 2 mg / dt in an environment of 20 ° C. and 65% RH, measures the length after 5 minutes by immersing the fiber in water as it is, Thereby, the elongation rate at the time of water content was calculated | required. A fiber having a moisture shrinkage of less than 1% is referred to as a non-shrinkable fiber, a polyester fiber such as polyester or polytrimethylene terephthalate, a polyamide fiber, cellulose, acetate, cotton, wool or any other long fiber, or Short fibers can be used, and these cross-sectional shapes are also arbitrary, and in addition to round cross-sections, irregular yarns such as W-shaped cross-sections are also possible. Further, raw yarns, crimped yarns such as false twists, and twisted yarns can be used. The water shrinkage is preferably -1% or more and less than 1%.

Although the fiber of arbitrary thickness can also be used about the thickness of a non-shrinkable fiber, 11 dt (decitex: the same symbol is used hereafter) to 400 dt for a long fiber, 160 S (cotton count: the same symbol hereafter) to 10 S for a short fiber, These twin yarns, triplet yarns, and further, can be knitted and woven, and can be used as the thickness suitable for the structure, but it is 40 dt to 170 dt for long fibers and about 30 S to 120 S for short fibers. Is easy to handle and preferable.
Furthermore, at least one of the outer layers forming the non-shrinkable fibers is exposed at a ratio of 100% of the non-shrinkable fibers exposed on the surface or less than 50% of the cellulose fibers having a twist coefficient of 6000 to 35000. Even though the object of the present invention is achieved, it is preferable that the ratio of non-shrinkable fibers is large.

In the present invention, the fabric can be manufactured on a circular knitting machine, a warp knitting machine, and a loom, and the fabric density can be arbitrarily set.
The dyeing and finishing method of the three-layer structure fabric of the present invention can use a normal dyeing finishing process, and the dyeing conditions are set according to the fiber material to be used. In addition, it is preferable to add a water-absorbing agent in order to improve water absorption. As an example of the dyeing finishing process, the raw machine is put into a dyeing machine, and after scouring and dyeing, it also serves as a finishing process such as a water absorption process. Arbitrary dyeing finishing steps can be performed, such as a method of performing a finishing set, or a wet relaxation process, dyeing after pre-setting, and a final setting also serving as a finishing process.

Hereinafter, the present invention will be described in detail by way of examples. Of course, the present invention is not limited to this.
The evaluation in the examples was measured by the following method.
(1) Twist factor The twist factor of the cellulose fiber was calculated | required by the following.
Twist coefficient = √dt × twist number (twist number / m)
(2) Fabric Fabricability At the time of fabric fabrication, the knitting and weaving properties of the twisted cellulose fibers were evaluated in the following five levels.
The following three or more can be route-produced, and the higher the numerical value, the better.
5: Fabric can be produced without problems. 4: Slight warp and the like occur, but acceptable pass can be produced. 3: Slightly broken yarn and other problems occur, but acceptable pass can be produced. 2: Yarn breakage, etc., fabric can be produced. Will be rejected.
1: Fabric production is difficult due to chattering, thread breakage, etc. (3) Wearing feeling T-shirt is sewn with the side where the convex part is formed at the time of sweat absorption on the fabric obtained in the example, and exercise is performed until sweating. The comfort of the time was evaluated by the following five levels by 10 monitors. The following two or more can be used as clothes, and the higher the numerical value, the better.

5: Extremely comfortable without sweating even when sweating 4: Feeling sticky when sweating 3: Slightly sticky clothing when sweating 2: Comfortable feeling and size when sweating ： Feels sticky when sweating, and is uncomfortable due to size reduction.

[Example 1]
1 is knitted with a 22 gauge circular knitting machine. In (1), a 84 dt / 36 f polyester fiber two-heater false twisted yarn (water shrinkage 0%) is knitted with a tentacle structure. In (2), 2-heater false twisted yarn of 56 dt / 24f polyester fiber (water shrinkage 0%) is used as the non-shrinkable yarn, and (3) a cupra fiber 84 dt / 45f having a twist coefficient of 18000 is used. After repeating 1) to (3) 10 times, in FIG. 1 R, there are 4 courses of a structure using 2-heater false twisted yarn (water shrinkage 0%) of 56 dt / 24f polyester fiber as non-shrinkable yarn. Organized.
The knitted raw machine was put into a liquid dyeing machine, scoured at 80 ° C. for 20 minutes, and then dyed only on the ester side at 130 ° C. Since the fabric after dyeing has a width and the knitted fabric has an uneven shape, it was set out at 170 ° C. for 60 seconds until the unevenness was extended by a pin tenter.
A T-shirt type was sewn on the obtained knitted fabric, and a wearing test for comfort during exercise sweating was performed.
The results of the wearing test are shown in Table 1.

[Examples 2-7, Comparative Examples 1-3]
In Example 1, a knitted fabric was produced using cellulose fibers having different twist coefficients shown in Table 1 and evaluated. The results are shown in Table 1.

[Example 8]
Using a 22 gauge circular knitting machine, as shown in FIG. 2, [1] and [2], the dial and the cylinder are 84 dt / 36 f polyester fiber 2 heater false twisted yarn (water shrinkage 0) %) Was knitted with a tengu structure, and the structure of FIG. 2 and [3] was made using cupra fibers 84dt / 30f having a twist coefficient of 18000, and [1] to [3] were repeated 10 times. Next, as shown in FIG. 2, R was used as a non-shrinkage yarn, and a yarn knitting was repeated 4 times using an 84 dt / 36 f polyester fiber 2 heater false twisted yarn (water content shrinkage 0%).
The knitted raw machine was put into a liquid dyeing machine, scoured at 80 ° C. for 20 minutes, and then dyed only on the ester side at 130 ° C. Since the fabric after dyeing has a width and the knitted fabric has an uneven shape, it was set out at 170 ° C. for 60 seconds until the unevenness was extended by a pin tenter.
T-shirt wear was sewed on the resulting knitted fabric, and a wearing test for comfort during exercise sweating was performed.
The results of the wearing test are shown in Table 1.

[Examples 9 to 14]
In Example 8, the knitted fabric was manufactured by changing the mixing ratio of the cupra fibers as shown in Table 1 by changing [2] and R to cupra fibers having a twist coefficient of 18000. Table 1 shows the results obtained by sewing T-shirt wear on the obtained knitted fabric and conducting a wearing test for comfort during exercise sweating.

[Example 15]
Using a 28 gauge double raschel warp knitting machine, a 56 dt / 36f polyamide fiber (water shrinkage 0%) is placed on the front heel as a non-shrinkable fiber, and a cupra fiber 56 dt / 30f with a twist coefficient of 10,000 is placed on the back heel. Using these, we knitted the denby structure separately with the front needle and the back needle, and placed 56 dt / 36f polyamide fiber as the non-shrinkable fiber in the middle rod, and the front needle as a 3-in-6-out needle removal A structure was formed in which both the back needle and the back needle were connected and knitted.

The knitted raw machine was put into a liquid dyeing machine, refined at 80 ° C. for 20 minutes, and then dyed only on the polyamide side at 100 ° C. Since the fabric after dyeing has a width and the knitted fabric has an uneven shape, it was set out at 170 ° C. for 60 seconds until the unevenness was extended by a pin tenter.
The mixing ratio of the cupra fiber with a twist coefficient of 10,000 in the obtained knitted fabric is 41%. When this knitted fabric is used to sew a lingerie with the convex portion formed during sweat absorption on the skin side, the knitted fabric is uneven when sweating. And became a comfortable inner without stickiness.

[Example 16]
Non-shrinkable polyester fiber 56dt / 24f yarn (water shrinkage 0%) for warp, polyester fiber 84dt / 36f yarn (wet shrinkage 0%) for weft, and cupra of twist coefficient 13000 of 84dt / 45f Using fibers, both outer layers are polyester fibers, and the intermediate layer is the cupra fibers. The finishing density targets are 130 warps / 2.54 cm for warps and 85 weaving yarns / 2.54 cm for triple weaves. A woven fabric was produced. This raw machine was put into a liquid dyeing machine, scoured at 80 ° C. for 20 minutes, and dyed in two baths so that both cupra and polyester had the same color. Since the fabric after dyeing has a width and the knitted fabric has an uneven shape, it was set at 180 ° C. for 60 seconds until the unevenness was extended by a pin tenter, and finished to the target density.
The mixing ratio of the cupra fiber with a twist coefficient of 13000 of the obtained fabric is 32%, and when the blouse is sewn and worn with the convex portion formed during sweat absorption on the skin side, the fabric appears uneven when sweating and there is no stickiness It became a comfortable outer.

  The present invention can produce a fabric that does not feel sticky even when sweating, and provides a comfortable wearing feeling in sportswear, inner clothes, outer clothes, and the like.

It is an example of the knitting | organization structure | tissue of the three-layer structure fabric of this invention. It is an example of the knitting | organization structure | tissue of the three-layer structure fabric of this invention. It is an example of the knitting | organization structure | tissue of the three-layer structure fabric of this invention. It is an example of the knitting | organization structure | tissue of the three-layer structure fabric of this invention. It is an example of the knitting | organization structure | tissue of the three-layer structure fabric of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Dial needle 2 Cylinder needle 3 Non-shrinkable fiber 4 Cellulose fiber whose twist coefficient is 6000-35000 [1], [2], [3] Knitting order R The joint structure of the weft direction provided partially

Claims (3)

  One outer layer and / or intermediate layer contains a cellulose fiber having a twist coefficient of 6000 to 35000, and the other outer layer contains a non-shrinkable fiber.   The three-layer structure fabric according to claim 1, wherein the fiber contains 5 to 80 wt% or more of cellulose fibers having a twist coefficient of 6000 to 35000.   The three-layer structure according to claim 1, wherein the layer containing cellulose fibers having a twist coefficient of 6000 to 35000 and the at least one outer layer containing non-shrinkable fibers are partially separated. Fabric.

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