TW202113179A - Composite yarn, fabric, and fiber product - Google Patents

Abstract

The present invention addresses the problem of providing a composite yarn, a fabric, and a fiber product that have a superior cotton-like appearance, texture, and anti-snagging property, and that preferably also have superior opacity and water-absorbent/quick-drying property. The solution comprises obtaining a composite yarn using a thick-and-thin yarn and a crimped yarn, and obtaining a fabric as necessary.

Description

Composite yarn, cloth and fiber products

The present invention relates to composite yarns, fabrics, and fiber products that have excellent cottony appearance, texture, and abrasion resistance, better permeability and water absorption and quick-drying properties.

Polyester filaments represented by polyethylene terephthalate (PET) have been widely used in clothing and industrial materials. However, according to the characteristics of its manufacturing method, compared with natural fibers or textile yarns, it has the disadvantages of smaller irregularities, lack of texture or appearance changes.

In order to eliminate these shortcomings, there has been proposed a method of imparting unevenness to the polyester fiber by controlling the length of the unstretched portion of the polyester high-alignment unstretched yarn, and imparting an arbitrary white pattern appearance to the fabric (for example, Patent Document 1, Patent Document 2).

However, these fabrics cannot be said to be sufficient in terms of cottony appearance, abrasion resistance, and the like. [Prior Technical Literature] [Patent Literature]

Patent Document 1: Japanese Patent Laid-Open No. 60-199941 Patent Document 2: Japanese Patent Application Publication No. 7-229030

[The problem to be solved by the invention]

The present invention was completed in view of the above background, and its object is to provide composite yarns, fabrics, and fiber products that have excellent cottony appearance, texture, and abrasion resistance, better permeability, and excellent water absorption and quick-drying properties. [Means to solve the problem]

The inventors of the present invention have completed the present invention as a result of active reviews in order to achieve the above-mentioned problems.

Therefore, according to the present invention, a "composite yarn characterized by thick and thin yarn and crimped yarn" is provided.

In this case, it is preferable that the aforementioned thick and small fancy yarn is a non-crimped yarn. In addition, the composite yarn preferably contains the aforementioned thick and small fancy yarn within a range of 30 to 85% by weight of the composite yarn. In addition, the composite yarn is subjected to interlace processing at a number of interlaced yarns of 120/m or less. In addition, in the composite yarn, it is preferable to mix thick and small detail yarns and crimping yarns, or thick detail detail yarns in the core part, curling yarns in the non-aligned part of the sheath, and thick detail detail yarns and crimping yarns to become stretched yarns. The Lazi Department of Qi State. In the composite yarn, it is preferable that the non-aligned part is 40-95% relative to the length of the composite yarn. And in the composite yarn, it is preferable that the length of the composite yarn is 5-40%. It is also preferable that the single fiber fineness of the aforementioned thick minutiae is 1.5 dtex or more. In addition, the single fiber fineness of the crimped yarn is 1.0 dtex or less. It is also preferable that the thick and detailed striated yarn and/or crimped yarn are made of polyester fiber or nylon fiber. Furthermore, it is preferable that the aforementioned thick and small fancy yarns and/or crimped yarns are made of polymers recovered from chemicals or materials. It is also preferable that the aforementioned thick and detailed satin yarn and/or crimped yarn are made of cationic dyeable polyester. Furthermore, it is preferable that the content rate of the matting agent in the thick and small fancy yarn and/or the crimped yarn is 0.1% by mass or more.

According to the present invention, a fabric containing the aforementioned composite yarn is provided. At this time, the preferred fabric is a knitted fabric having a density of 35 to 100 weft loops/2.54 cm and a density of 30 to 100 warp loops/2.54 cm. It is also preferable to test for 15 hours by the gold saw method of JIS L 1058-1995 D3 method, and the abrasion resistance is 3 or higher.

In addition, according to the present invention, a group of selected sportswear, outing clothes, underwear, men's clothing, women's clothing, nursing clothing, work clothes, car seat skin materials, and bedding made of the aforementioned composite yarn or fabric is provided Any of them. [Effects of the invention]

According to the present invention, it is possible to obtain composite yarns, fabrics and fiber products with excellent cottony appearance, texture and abrasion resistance, better permeability and water absorption and quick-drying properties.

The following is a detailed description of the embodiments of the present invention. First of all, the composite yarn of the present invention includes a composite yarn of thick and small detail yarn and crimped yarn.

Here, it is preferable that the composite yarn contains the aforementioned thick and small fancy yarn within the range of 30 to 85% by weight (more preferably 51 to 80% by weight) of the composite yarn weight. The weight ratio of the crimped yarn (to the weight of the composite yarn) is preferably 15 to 70% by weight (more preferably 30 to 48% by weight). When the weight ratio (to the weight of the composite yarn) of the aforementioned thick and small fancy yarn is less than this range, there is a possibility that an excellent cottony appearance may not be obtained. In addition, when the weight ratio of the aforementioned thick satin yarn is larger than this range, the abrasion resistance of the fabric may decrease.

Here, the aforementioned thick and small detail yarn may be a crimped yarn, but is preferably a non-crimped yarn. When the aforementioned coarse detail yarn is a non-crimped yarn, since the curling difference between the coarse detail yarn and the crimped yarn is large, the unevenness in the composite yarn becomes larger, and the cottony appearance and texture are excellent. Moreover, when disposing a non-crimped yarn in the core part of the composite yarn and disposing a crimped yarn in the sheath part, the water absorption and quick-drying property is improved due to the capillary phenomenon.

As the above-mentioned thick detail striated yarn, there can be exemplified a thick detail striated yarn with random concavities and convexities between filaments arranged in the textile yarn as described in Japanese Patent Laid-Open No. 2000-234232, or such as Japanese Patent Laid-Open No. 7-324237 The bulletin describes the thick and detailed yarn obtained by unevenly stretched with a friction resistance body.

On the other hand, the crimped yarn may be a crimped yarn that manifests the potential crimping of the side-by-side composite fiber, but it is preferably a false-twisted crimped yarn.

As the type of polymer that forms the aforementioned thick satin yarn and/or crimped yarn, polyester or aliphatic polyamide (nylon 6, nylon 66, etc.) is preferred. Among them, more preferable examples are polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polylactic acid, polyester copolymerized with the third component, and the like. As the polyester, it can also be a polyester of material recycling or chemical recycling. Furthermore, it may be a polyester obtained by using a catalyst containing a specific phosphorus compound and a titanium compound as described in Japanese Patent Application Publication No. 2004-270097 or Japanese Patent Application Publication No. 2004-211268. The polyester may contain micropore formers, cationic dyestuffs, coloring inhibitors, heat stabilizers, fluorescent whitening agents, matting agents, as necessary, within the range that does not impair the purpose of the present invention. One or two or more of colorants, moisture absorbents, and inorganic fine particles. In particular, if the delustering agent is contained in an amount of 0.1% by weight or more (more preferably 0.3 to 2.0% by weight) based on the weight of the polymer, the barrier properties are improved, which is preferable. Specifically, semi-matte polyester or fully matte polyester is preferred. Furthermore, when a cationic dye dyestuff (ester-forming metal sulfonic acid salt compound, etc.) is contained, it is preferable to add antibacterial and deodorant properties by acid treatment as described in the specification of International Publication No. 2011/048888.

In addition, in the above-mentioned thick minutiae yarn, the total fineness is preferably 22 to 400 dtex (more preferably 30 to 60 dtex). In addition, the single fiber fineness is preferably 1.5 dtex or more (more preferably 1.5 to 3.0 dtex). In addition, the number of filaments is preferably 12 to 200 (more preferably 20 to 60).

In addition, among the aforementioned crimped yarns, it is preferable that the total fineness is smaller than the aforementioned thick and small fancy yarns in terms of obtaining excellent cottony appearance and abrasion resistance. Especially preferably, the total fineness is 18 to 333 dtex (more preferably 20 to 50 dtex). In addition, the single fiber fineness is preferably 1.0 dtex or less (more preferably 0.1 to 1.0 dtex). In addition, the number of filaments is preferably 12 to 200 (more preferably 20 to 60). And the crimp ratio is preferably in the range of 2-40% (more preferably 5-35%).

The composite yarn of the present invention is preferably composed only of the aforementioned thick and small detail yarn and crimped yarn, but may also include other fibers. The compounding method is not particularly limited, but it is preferable to perform a staggering process (air mixing process) by aligning the above-mentioned thick and small fancy yarn and crimped yarn.

In this case, the number of interlacing is preferably 200/m or less (more preferably 120/m or less, particularly preferably 20 to 120/m).

In addition, in the composite yarn, it is preferable to mix the thick minutia yarn and the crimped yarn, or the thick minutia yarn is located in the core part, the crimped yarn is located in the non-aligned part of the sheath, and the thick minutia yarn and the crimped yarn become a stretched yarn. The Lazi Department of Qi State. In addition, the composite yarn can be obtained by the method described in Example 1 in Japanese Patent Application Laid-Open No. 2000-234232 to obtain a coarse detail yarn with random concavities and convexities between the single fibers with concavities and convexities arranged in the textile yarn. The detailed flower yarn and the crimped yarn are obtained by interlacing processing.

Here, in the composite yarn, relative to the length of the composite yarn, the non-aligned portion is preferably 40 to 95%. Moreover, in the composite yarn, relative to the length of the composite yarn, the draw portion is preferably 5-40%. However, the ratio of each is obtained by extracting 10 composite yarns (20 cm) from the fabric, calculating the ratio of each to the composite yarn (20 cm), and obtaining the average of the 10 yarns.

The fabric of the present invention includes the aforementioned composite yarn. In this cloth, the structure of the cloth is not limited, and it can be woven according to the usual method. For example, the weave structure can be exemplified by three primary weaves such as plain weave, twill weave, and satin weave, modified weaves such as modified weave, and modified twill weave, semi-double weaves such as warp-knitted double weave and weft-knitted double weave, and warp knitted velvet. In addition, as the knitted fabric, a plain weave, a half-knit weave using two or three reeds, a half-knit base weave, and a satin weave can be exemplified. Especially in terms of water absorption and quick-drying, it is preferably a knitted fabric having a density of 35 to 100 weft loops/2.54 cm and 30 to 100 warp loops/2.54 cm.

In addition, the weight per unit area of the fabric is preferably in the range ^{of 70 to 130 g/m 2.}

Dyeing processing, water absorption processing, embossing processing, color printing, water repellent processing, UV shielding agent, antibacterial agent, deodorant, insect repellent, light accumulating agent, retroreflective agent, negative ion generator, etc. can be added to the fabric as appropriate The functions of various processing.

The obtained fabric has excellent cotton-feel appearance, excellent texture, abrasion resistance, permeability resistance, and water absorption and quick-drying properties. At this time, the abrasion resistance is preferably level 3 or higher by the gold sawing test of the JIS L 1058-1995 D3 method for 15 hours.

Secondly, the fiber product of the present invention is selected from the group consisting of sportswear, outing clothes, underwear, men’s clothing, women’s clothing, nursing clothing, work clothes, car seat skin materials, and bedding made of the aforementioned fabric. Any fiber product.

Since this fiber product uses the aforementioned fabric, it has excellent cottony appearance, abrasion resistance, permeability resistance, and water absorption and quick-drying properties. [Example]

Next, the present invention will be explained in detail with examples, but the present invention is not limited thereby. (1) Weight per unit area The weight per unit area (g/m ² ) of the fabric is measured by JIS L1096-2010. (2) Abrasion resistance was tested by the gold saw method of JIS L 1058-1995 D3 method for 15 hours. (3) Crimping rate The crimping rate was measured by the following method.

That is, the test filament thread is wound around a ruler with a circumference of 1.125m to prepare a yarn with a dry fineness of 3333dtex.

Suspend the aforementioned yarn with the hanging nails of the ruler board, add an initial load of 6g to the lower part, and then apply a load of 600g, and measure the yarn length L0 at this time. Afterwards, the load was removed from the above-mentioned paid-in yarn, removed from the hanging nails of the ruler board, and the paid-in yarn was immersed in boiling water for 30 minutes to make the display crimp. After the boiling water treatment, the yarn is taken out from the boiling water, the water contained in the yarn is absorbed and removed by paper, and the yarn is air-dried at room temperature for 24 hours. The air-dried paid yarn was hung by the hanging nails of the ruler board, and a load of 600g was applied to the lower part of it. After 1 minute, the yarn paid-in length L1a was measured, and then the self-paying yarn was relieved of the load. After 1 minute, the yarn paid-in length L2a was measured. The crimp rate (CP) of the test filament yarn is calculated by the following formula. CP(%)=((L1a－L2a)/L0)×100 (4) Interlace The length of interwoven yarn is 1m under the load of 8.82mN×display index (0.1g/de). After removing the load, read the number of knots after being placed at room temperature for 24 hours after shrinking, expressed in pieces/m. (5) The ratio of the non-laced part and the aligned part of the composite yarn Ten composite yarns (20 cm) were drawn from the fabric, and the ratio to the composite yarn (20 cm) was calculated, and the average of the 10 composite yarns (20 cm) was calculated. (6) Short fiber appearance According to the visual judgment of the tester, the short fiber appearance was evaluated in three stages of "○" (excellent), "△" (normal), and "×" (poor).

[Examples 1 to 5, Comparative Examples 1 to 2] According to the method described in Example 1 of Japanese Patent Application Laid-Open No. 2000-234232, as shown in Table 1, a thick, non-crimped fancy yarn with random concavities and convexities between the single fibers arranged in the textile yarn was obtained. In addition, in Examples 1 to 5, the false-twisted crimped yarn shown in Table 1 was obtained by a common method. In addition, in Table 1, "FD" represents chemically recovered fully dull polyester, "SD" represents chemically recovered semi-dull polyester, and "CD" represents chemically recovered cationic dyeable polyester. In addition, for example, "44T36" means a total fineness of 44 dtex, and the number of filaments is 36.

Secondly, in Examples 1 to 5, the thick minutiae yarn and the false-twisted crimped yarn were aligned and interlaced to obtain a mixture of thick minutiae yarn and crimped yarn, or the thick minutiae yarn was located in the core part. The crimped yarn is located in the non-aligned part of the sheath, and the thick and detailed floral yarn and the crimped yarn become the composite yarn of the aligned part in the aligned state. Next, as shown in Table 1, a circular knitting machine was used to obtain a knitted fabric.

In Example 1, the non-laced portion is 74%, and the aligned portion is 26%. The evaluation results of Examples 1 to 5 and Comparative Examples 1 to 2 are shown in Table 1.

[產業上之可利用性]

[Industrial availability]

According to the present invention, it is possible to provide composite yarns, fabrics and fiber products with excellent cotton-like appearance, texture and abrasion resistance, better permeability and water absorption and quick-drying properties, and have great industrial value.

Claims (17)

A composite yarn characterized by thick and thin yarn and crimped yarn. Such as the composite yarn of claim 1, wherein the aforementioned thick and detailed yarn is a non-crimped yarn. Such as the composite yarn of claim 1 or 2, wherein the composite yarn contains the aforementioned thick and detailed floral yarn within the range of 30 to 85% by weight of the composite yarn. Such as the composite yarn of any one of claims 1 to 3, wherein the composite yarn is subjected to interlace processing with the number of interlacing 120/m or less. Such as the composite yarn of any one of claims 1 to 4, wherein in the composite yarn, there is a mixture of thick minutiae yarns and crimped yarns, or thick minutiae yarns are located in the core part and the crimped yarns are located in the non-aligned part of the sheath , And the thick and detailed floral yarn and crimped yarn become the aligning part of the aligning state. Such as the composite yarn of claim 5, in which the non-aligned part of the composite yarn is 40-95% relative to the length of the composite yarn. Such as the composite yarn of claim 5, in which the length of the composite yarn in the composite yarn is 5-40% relative to the length of the composite yarn. The composite yarn according to any one of claims 1 to 7, wherein the single fiber fineness of the aforementioned thick and detailed yarn is 1.0 dtex or more. The composite yarn according to any one of claims 1 to 8, wherein the single fiber fineness of the aforementioned crimped yarn is 1.5 dtex or less. The composite yarn according to any one of Claims 1 to 9, wherein the aforementioned thick and detailed yarn and/or crimped yarn are made of polyester fiber or nylon fiber. The composite yarn according to any one of claims 1 to 10, wherein the aforementioned thick and detailed striated yarn and/or crimped yarn are made of polymers recovered from chemicals or materials. The composite yarn according to any one of Claims 1 to 11, wherein the aforementioned thick and detailed floral yarn and/or crimped yarn are made of cationic dyeable polyester. The composite yarn according to any one of Claims 1 to 12, wherein the content rate of the matting agent in the aforementioned thick and detailed yarn and/or crimped yarn is 0.1% by mass or more. A fabric comprising the composite yarn as claimed in any one of claims 1 to 13. For example, the fabric of claim 14, wherein the fabric is a knitted fabric with a density of 35-100 weft loops/2.54cm and a density of 30-100 warp loops/2.54cm. Such as the fabric of claim 14 or 15, where the abrasion resistance is 3 or higher by the gold sawing method of JIS L 1058-1995 D3 method for 15 hours. A fiber product, which is made of composite yarn or fabric as claimed in any one of claims 1 to 16 selected from sportswear, outing clothes, underwear, men’s clothing, women’s clothing, nursing clothing, work clothes, and car seats Any one of the group of skin material and bedding.