KR20220015455A - Composite yarns and fabrics and textile products - Google Patents

Abstract

An object of the present invention is to provide a composite yarn, fabric, and textile products that are excellent in cotton-like appearance, texture, and anti-snagging properties, and are preferably excellent in permeability and moisture absorption and quick drying properties. Composite yarns are obtained by using crimp yarns and, if necessary, fabrics are obtained.

Description

Composite yarns and fabrics and textile products

The present invention relates to a composite yarn, a fabric, and a fiber product having excellent cotton-like appearance, texture, and anti-snagging properties, and preferably also excellent permeability and moisture absorption and quick drying properties.

Polyester filaments typified by polyethylene terephthalate (PET) are widely used for medical purposes, industrial materials, and the like. However, due to the characteristics of the manufacturing method, there are drawbacks in that the thickness non-uniformity is small compared to natural fibers or spun yarns, and changes in texture and appearance are insufficient.

In order to solve such a drawback, a method of imparting thickness unevenness to the polyester fiber by controlling the length of the undrawn portion of the polyester highly oriented undrawn yarn and imparting an arbitrary fine-pattern appearance to the fabric has been proposed. (For example, patent document 1, patent document 2).

However, in these fabrics, it cannot be said that it is still sufficient in points, such as a cotton-like appearance and anti-snagging property.

Japanese Patent Laid-Open No. 60-199941 Japanese Patent Laid-Open No. 7-229030

The present invention has been made in view of the above background, and its object is to provide a composite yarn, fabric, and textile products that are excellent in cotton-like appearance, texture and anti-snagging properties, and preferably have excellent permeability and moisture absorption and quick drying properties. there is

MEANS TO SOLVE THE PROBLEM The present inventors came to complete this invention, as a result of earnestly examining in order to achieve the said subject.

Thus, according to the present invention, "a composite yarn comprising a thick and thin yarn and a crimped yarn." is provided.

In that case, it is preferable that the tick and thin yarn is a non-crimped yarn. In addition, it is preferable that the composite yarn contains the tick and thin yarn within the range of 30 to 85% by weight based on the weight of the composite yarn. In addition, in the composite yarn, it is preferable that interlacing is performed at a number of entanglements of 120 pieces/m or less. In addition, in the composite yarn, the tick and thin yarn and the crimp yarn are intertwined, or the non-parallel portion in which the tick and thin yarn is centered and the crimp yarn is located in the sheath, and the parallel portion in which the tick and thin yarn and the crimp yarn are in a parallel shape are mixed. it is preferable Further, in the composite yarn, it is preferable that the non-parallel portion is 40 to 95% of the length of the composite yarn. Further, in the composite yarn, it is preferable that the parallel portion is 5 to 40% with respect to the length of the composite yarn. In addition, it is preferable that the single fiber fineness of the tick and thin yarn is 1.5 dtex or more. In addition, it is preferable that the single fiber fineness of the crimped yarn is 1.0 dtex or less. In addition, it is preferable that the tick and thin yarn and/or the crimp yarn include polyester fiber or nylon fiber. In addition, it is preferable that the tick and thin yarn and/or the crimp yarn include a chemically or material recycled polymer. In addition, it is preferable that the tick and thin yarn and/or the crimp yarn include a cationic dyeable polyester. Further, in the tick and thin yarn and/or crimped yarn, the content of the matting agent is preferably 0.1% by mass or more.

According to the present invention, there is provided a fabric comprising the above composite yarn. In that case, it is preferable that the fabric is a knitted fabric having a density of 35 to 100 courses/2.54 cm and 30 to 100 wales/2.54 cm. Moreover, it is tested for 15 hours with the hacksaw of JIS L 1058-1995 D3 method, and it is preferable that anti-snagging property is 3rd grade or more.

In addition, according to the present invention, sportswear, outerwear, innerwear, menswear, gynecological care, nursing care, work clothes, car seat cover material and bedding, which are made using the above composite yarn or fabric, are group consisting of Any one of the textile products selected from is provided.

Advantageous Effects of Invention According to the present invention, a composite yarn, fabric, and fiber products having excellent cotton-like appearance, texture and anti-snagging properties, and preferably excellent permeability and moisture absorption and quick drying properties are obtained.

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described in detail. First, the composite yarn of the present invention is a composite yarn including a tick and thin yarn and a crimp yarn.

Here, the composite yarn preferably contains the tick and thin yarn within the range of 30 to 85% by weight (more preferably 51 to 80% by weight) based on the weight of the composite yarn. Further, the weight ratio of the crimped yarn (to the weight of the composite yarn) is preferably within the range of 15 to 70 wt% (more preferably 30 to 48 wt%). If the weight ratio of the tick and thin yarn (to the weight of the composite yarn) is less than the corresponding range, there is a fear that an excellent cotton-like appearance may not be obtained. In addition, when the weight ratio of the tick and thin yarn is larger than the corresponding range, there is a fear that the anti-snagging properties of the fabric may be lowered.

Here, the tick and thin yarn may be a crimped yarn, but is preferably a non-crimped yarn. When the tick and thin yarn is a non-crimped yarn, the difference in crimping between the tick and thin yarn and the crimped yarn is large, so that the thickness non-uniformity in the composite yarn is increased, and the cotton-like appearance and texture are excellent. In addition, when the non-crimped yarn is disposed in the core portion of the composite yarn and the crimped yarn is disposed in the sheath portion, the quick drying property of water absorption is improved due to the capillary phenomenon.

As the tick and thin yarn, a tick and thin yarn having the same thickness unevenness as spun yarn as described in Japanese Patent Laid-Open No. 2000-234232 and random thickness unevenness even between single fibers, as described in Japanese Patent Laid-Open No. 7-324237 Tick and thin yarns obtained by non-uniform stretching using a friction resistor as described above are exemplified.

On the other hand, the crimped yarn may be a crimped yarn in which the potential crimping of the side-by-side type composite fiber is realized, but false twist crimped yarn is preferable.

As the kind of the polymer forming the tick and thin yarn and/or the crimped yarn, polyester or aliphatic polyamide (nylon 6, nylon 66, etc.) is preferable. Especially, polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polylactic acid, polyester etc. which copolymerized the 3rd component are illustrated more preferably. As such polyester, material recycled or chemically recycled polyester may be sufficient. Furthermore, polyester obtained using the catalyst containing a specific phosphorus compound and a titanium compound as described in Unexamined-Japanese-Patent No. 2004-270097 or 2004-211268 may be sufficient. Among the polymers, micropore formers, cationic dye dyestuffs, color inhibitors, heat stabilizers, optical brighteners, matting agents, colorants, moisture absorbents, and inorganic fine particles may be added as needed within the scope not impairing the object of the present invention. Species or 2 or more types may be included. In particular, when 0.1 wt% or more (more preferably 0.3 to 2.0 wt%) of the matting agent is included relative to the weight of the polymer, permeability is improved, which is preferable. Specifically, semi-dull polyester or full-dull polyester is preferable. In addition, if a cationic dye dyeing agent (such as an ester-forming sulfonic acid metal salt compound) is contained, antibacterial and deodorizing properties are added by acid treatment as described in International Publication No. 2011/048888 pamphlet, which is preferable.

In addition, in the tick and thin yarn, the total fineness is preferably 22 to 400 dtex (more preferably 30 to 60 dtex). In addition, it is preferable that the single fiber fineness is 1.5 dtex or more (more preferably 1.5 to 3.0 dtex). Further, it is preferable that the number of filaments is 12 to 200 (more preferably 20 to 60).

In addition, in the crimped yarn, in order to obtain an excellent cotton-like appearance and anti-snagging properties, it is preferable that the total fineness is smaller than that of the tick and thin yarn. In particular, it is preferable that the total fineness is 18 to 333 dtex (more preferably 20 to 50 dtex). In addition, it is preferable that the single fiber fineness is 1.0 dtex or less (more preferably 0.1 to 1.0 dtex). Further, the number of filaments is preferably 12 to 200 (more preferably 20 to 60). Moreover, as a crimp rate, it is preferable to exist in the range of 2 to 40 % (more preferably 5 to 35 %).

The composite yarn of the present invention is preferably composed of only the tick and thin yarn and the crimp yarn, but may contain other fibers. In addition, the composite method is not particularly limited, but it is preferable to perform interlacing (air mixed fiber processing) in parallel with the tick and thin yarn and the crimped yarn.

In that case, as the number of bridges, it is preferable to exist in the range of 200 pieces/m or less (More preferably 120 pieces/m or less, Especially preferably, 20-120 pieces/m).

In addition, in the composite yarn, the tick and thin yarn and the crimp yarn are intertwined, or the non-parallel portion in which the tick and thin yarn is centered and the crimp yarn is located in the sheath, and the parallel portion in which the tick and thin yarn and the crimp yarn are in a parallel shape are mixed. it is preferable In addition, such a composite yarn, for example, according to the method described in Example 1 of Japanese Patent Application Laid-Open No. 2000-234232, has the same thickness unevenness as the spun yarn and a tick and thin yarn having a random thickness unevenness even between single fibers. Then, it is obtained by performing interlacing processing in parallel with the tick and thin yarn and the crimped yarn.

Here, in the composite yarn, it is preferable that the non-parallel portion is 40 to 95% with respect to the length of the composite yarn. Further, in the composite yarn, it is preferable that the parallel portion is 5 to 40% with respect to the length of the composite yarn. However, for each ratio, 10 composite yarns (20 cm) are extracted from the fabric, each ratio to the composite yarn (20 cm) is calculated, and the average of 10 is calculated.

The fabric of the present invention includes the above composite yarn. In such a fabric, the structure of the fabric is not limited and may be knitted by a conventional method. For example, as a weave organization, a three-way structure such as plain weave, a serpentine weave, and a satin weave, a change organization, a change organization such as a change weave weave, a side-weight structure such as a light double weave and a super double weave, and a light velvet are exemplified. Further, examples of the knitted fabric include a fabric fabric, a half fabric using a two-piece body or a three-piece body, a half base fabric, a satin fabric, and the like. In particular, a knitted fabric having a density of 35 to 100 courses/2.54 cm and 30 to 100 wales/2.54 cm from the viewpoint of water absorption and rapid drying is preferable.

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

These fabrics are subjected to dyeing processing, absorption processing, embossing processing, colored printing, water repellency processing, UV shielding agent, antibacterial agent, deodorant, insect repellent, photoluminescent agent, retroreflecting agent, and various processing that impart functions such as anion generator. may apply.

The fabric thus obtained has excellent cotton-like appearance, excellent texture, excellent texture, anti-snagging properties, permeability and quick drying properties for water absorption. In that case, it is tested for 15 hours with the hacksaw of JIS L 1058-1995 D3 method, and it is preferable that anti-snagging property is 3rd grade or more.

Next, the textile product of the present invention is any selected from the group consisting of sportswear, outerwear, innerwear, menswear, gynecological clothing, nursing care, work clothes, car seat cover material and bedding, which are made using the above fabric. It is a textile product.

Since the above fabric is used for these textile products, it is excellent in a cotton-like appearance, anti-snagging properties, permeability and moisture absorption and quick drying properties.

Example

Next, although an Example is given and this invention is demonstrated in detail, this invention is not limited by these at all.

(1) Weight per unit area

The weight per unit area of the fabric (g/m ² ) was measured according to JIS L1096-2010.

(2) Anti-snagging properties

It was tested for 15 hours with the hacksaw of JIS L 1058-1995 D3 method.

(3) crimp rate

The crimp rate was measured by the following method.

That is, the test filament thread is wound around the perimeter of the Geomcheokgi having a circumference of 1.125 m to prepare a spool having a dryness of 3333 dtex.

The spool is suspended on the hook nail of the scale plate, an initial load of 6 g is applied to the lower portion thereof, and the spool length L0 when a load of 600 g is applied is measured. Thereafter, the load is immediately removed from the spool, the spool is removed from the nail of the scale plate, and the spool is immersed in boiling water for 30 minutes to develop crimping. The spool after boiling water treatment is taken out from the boiling water, the moisture contained in the spool is absorbed and removed with filter paper, and it is air-dried at room temperature for 24 hours. This air-dried spool is suspended on a hook nail of a scale plate, a load of 600 g is applied to the lower part of the spool, and the length L1a of the spool is measured after 1 minute, and then the load is removed from the spool, and after 1 minute, the length of the spool is removed. Measure the length L2a. The crimp rate (CP) of the test filament yarn is calculated by the following formula.

CP(%)=((L1a-L2a)/L0)×100

(4) Interlace diagram

After taking the length of 1 m under the load of 8.82 mN x display text (0.1 g/de), the number of nodal points after de-weighting and shrinking at room temperature for 24 hours is read, and expressed in pieces/m.

(5) Ratio of non-parallel parts and parallel parts in composite yarn

Ten composite yarns (20 cm) were extracted from the fabric, the ratio of each of the composite yarns (20 cm) was calculated, and the average of ten was obtained.

(6) Spanjo exterior

According to the tester's visual judgment, "○" (excellent.), "Δ" (normal.), and "x" (poor.) Span-like appearance was evaluated in three stages.

[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, non-crimped tick and thin yarn having the same thickness unevenness as spun yarn and random thickness unevenness even between single fibers got In Examples 1 to 5, false twist crimped yarns as shown in Table 1 were obtained by a conventional method. In addition, in Table 1, "FD" represents chemically recycled full polyester, "SD" represents chemically recycled semi-derived polyester, and "CD" represents chemically recycled cationic dyeable polyester. In addition, for example, "44T36" means a total fineness of 44 dtex, and 36 filaments.

Next, in Examples 1 to 5, interlacing is performed in parallel with the tick and thin yarn and the false twist crimped yarn, and the tick and thin yarn and the crimp yarn are interlaced, or the tick and thin yarn is located in the center and the crimp yarn is located in the sheath. Wow, a composite yarn in which tick and thin yarns and crimp yarns have a parallel shape are mixed. Then, as shown in Table 1, knitted fabrics were obtained using a circular knitting machine.

In Example 1, non-parallel parts were 74% and parallel parts were 26%. Table 1 shows the evaluation results of Examples 1 to 5 and Comparative Examples 1 to 2.

According to the present invention, there is provided a composite yarn, a fabric, and a fiber product having excellent cotton-like appearance, texture and anti-snagging properties, and preferably excellent permeability and moisture absorption and quick drying properties, and the industrial value thereof is very high.

Claims (17)

A composite yarn comprising a thick and thin yarn and a crimp yarn. The composite yarn according to claim 1, wherein the tick and thin yarn is a non-crimp yarn. The composite yarn according to claim 1 or 2, wherein the composite yarn contains the tick and thin yarn within the range of 30 to 85 wt% based on the weight of the composite yarn. The composite yarn according to any one of claims 1 to 3, wherein in the composite yarn, interlacing is performed at a number of entanglements of 120 pieces/m or less. 5. The composite yarn according to any one of claims 1 to 4, wherein in the composite yarn, tick and thin yarns and crimp yarns are intertwined, or non-parallel portions in which tick and thin yarns are centered and the crimp yarns are located in the sheath, tick and thin yarns and Composite yarn in which parallel sections in which the crimp yarns are paralleled are mixed. The composite yarn according to claim 5, wherein in the composite yarn, the non-parallel portion is 40 to 95% with respect to the length of the composite yarn. The composite yarn according to claim 5, wherein in the composite yarn, the parallel portion is 5 to 40% with respect 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 tick and thin 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 crimped yarn is 1.5 dtex or less. 10. The composite yarn according to any one of claims 1 to 9, wherein the tick and thin yarn and/or the crimp yarn comprises a polyester fiber or a nylon fiber. The composite yarn according to any one of claims 1 to 10, wherein the tick and thin yarn and/or crimp yarn comprises a chemically or material recycled polymer. The composite yarn according to any one of claims 1 to 11, wherein the tick and thin yarn and/or the crimp yarn comprises a cationic dyeable polyester. The composite yarn according to any one of claims 1 to 12, wherein in the tick and thin yarn and/or the crimped yarn, the content of the matting agent is 0.1% by mass or more. A fabric comprising the composite yarn according to any one of claims 1 to 13. The fabric according to claim 14, wherein the fabric is a knitted fabric having a density of 35 to 100 courses/2.54 cm and 30 to 100 wales/2.54 cm. 16. The fabric according to claim 14 or 15, wherein the anti-snagging property is class 3 or higher after testing for 15 hours using a hacksaw in accordance with JIS L 1058-1995 D3 method. The composite yarn or fabric according to any one of claims 1 to 16, comprising sportswear, outerwear, innerwear, menswear, gynecological care, nursing care, work clothes, car seat cover material, and bedding. Any one textile product selected from the group.