JP2017089072A - Clothing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide clothing excellent not only in a moisture absorbing and heat emitting property but also in an exterior appearance by simplifying a manufacturing process of the clothing.SOLUTION: Clothing is formed of a fabric which has a moisture absorbing and heat emitting fiber in a part.SELECTED DRAWING: Figure 1

Description

  The present invention relates to apparel that is not only excellent in moisture absorption exothermicity, but also has a simplified apparel manufacturing process and excellent appearance.

In recent years, for example, Patent Literature 1 and Patent Literature 2 propose clothing that includes sewn fabric containing moisture-absorbing and exothermic fibers.
However, since the fabric containing the hygroscopic exothermic fiber is sewn, the manufacturing process of the garment is complicated, and there is a problem that the appearance is impaired because the seam is visible.

Japanese Patent Laying-Open No. 2015-151644 Utility Model Registration No. 3196381

  The present invention has been made in view of the above-described background, and an object thereof is to provide a garment that not only has excellent hygroscopic heat generation, but also has a simplified garment manufacturing process and an excellent appearance.

  As a result of intensive studies to achieve the above-mentioned problems, the inventors of the present invention are not only excellent in hygroscopic exothermic property but also simplified in the manufacturing process of clothing when the clothing is composed of a fabric partially containing hygroscopic exothermic fibers. And it discovered that the clothing which was excellent in an external appearance was obtained, and also came to complete this invention by repeating earnest examination.

Thus, according to the present invention, there is provided “clothing characterized in that it includes a fabric having hygroscopic exothermic fibers in part”.
In that case, it is preferable that the said hygroscopic exothermic fiber is an acrylic fiber or a cellulose fiber. Moreover, it is preferable that the said fabric is a woven fabric, and the said hygroscopic exothermic fiber is distribute | arranged to a part of the warp or the weft which comprises a woven fabric. In addition, it is preferable that the clothing is a clothing having at least a portion covering the abdomen, and the moisture-absorbing and exothermic fiber is disposed in a portion covering the abdomen. Moreover, it is preferable that clothing is a skirt or trousers.

  ADVANTAGE OF THE INVENTION According to this invention, not only it is excellent in moisture absorption exothermic property, but the manufacturing process of clothing is simplified and the clothing excellent in an external appearance is obtained.

It is a figure which shows an example (skirt) of the clothing of this invention.

Hereinafter, embodiments of the present invention will be described in detail.
First, in the present invention, the hygroscopic exothermic fiber is a fiber having a hygroscopic exothermic function, and the fiber itself generates heat by absorbing moisture. It is a fiber having a function of generating heat not only by sweating, for example, liquid sweat but also by water vapor coming out of the human body as insensitive steaming.
Such hygroscopic exothermic fibers include, for example, acrylic fibers in which nitrile groups of acrylic fibers are cross-linked, remaining nitrile groups are hydrolyzed and carboxylic acid metal bases are introduced, and cellulose fibers are acrylic acid, methacrylic acid, etc. Cellulosic fibers in which a carboxylic acid metal base is introduced by graft polymerization of carboxylic acid are preferable because they have an excellent function of absorbing moisture.

The hygroscopic exothermic acrylic fiber can be produced, for example, by the following method. First, as an acrylic fiber raw material monomer, in order to promote the reaction of acrylonitrile and crosslinking and hydrolysis, it is preferable to contain 20% by mass or less of a comonomer unit having an acidic group, and to contain 1 to 15% by mass. Particularly preferred.
Examples of the comonomer having an acidic group include a commonly used vinyl monomer having an acidic group that can be copolymerized with acrylonitrile. Specific examples include monomers having a carboxyl group such as acrylic acid, methacrylic acid, and itaconic acid or salts thereof, and monomers having a sulfonic acid group such as allyl sulfonic acid and methacryl sulfonic acid, or salts thereof.

The monomer is added to a solvent such as dimethylformamide (DMF), dimethylacetamide, dimethyl sulfoxide, acetone, nitric acid, zinc chloride aqueous solution, and rhodium soda aqueous solution as necessary.
In addition, the monomer solution may include a homopolymerization initiator such as sodium persulfate, hydrogen peroxide, ammonium persulfate, benzoyl peroxide, azobisisobutyronitrile, or hydrogen peroxide-iron oxide salt, persulfate-reduction. Redox polymerization initiators such as basic sulfoxy compounds, potassium persulfate-ferrous iron salt, potassium persulfate-silver nitrate, potassium persulfate-triethanolamine, sodium chlorate-sodium sulfite, potassium permanganate-oxalic acid are added. The polymerization reaction is processed. As a polymerization reaction method, aqueous solution redox polymerization, solution redox polymerization, solution polymerization, aqueous solution polymerization, bulk polymerization, and the like can be appropriately used. The polymerization reaction temperature is preferably 10 to 90 ° C. The polymerization reaction time is preferably 0.5 to 8 hours.

By this polymerization reaction, a polymer solution having a polymer concentration of 5 to 30% by mass and an average molecular weight of 5 to 500,000 is obtained.
The obtained polymer solution is filtered with a cotton cloth filter cloth or the like to remove impurities in the polymer solution.
A gel fiber is obtained by spinning the polymer solution in a spinning bath at 5 to 30 ° C. made of a solution of an organic solvent such as DMF and water using a spinning nozzle.
The resulting gel fiber is passed through a cold stretching bath at 5 to 30 ° C., followed by a hot stretching bath at 80 to 95 ° C. in a stretch of 3 to 15 times, and subjected to a solvent removal (wet heat stretching) treatment.
The wet-heat-stretched fiber removes fiber moisture (dry heat drying) with a suction drum dryer or the like set to an internal temperature of 90 to 150 ° C. and densifies the internal structure of the fiber to obtain an acrylic fiber.
The obtained acrylic fiber is hydrolyzed using an inorganic base such as sodium hydroxide or sodium carbonate at the same time as or after the crosslinking treatment of the nitrile group in the acrylic fiber with a hydrazine compound. Is preferred.

The case where the hydrolysis treatment is performed using an inorganic base after the crosslinking treatment using the hydrazine compound is as follows.
In the crosslinking treatment, the acrylic fiber containing 15% by mass or less of the comonomer unit having an acidic group is reacted with a hydrazine compound so that the increase in the nitrogen content of the acrylic fiber is 1.0 to 8.0% by mass. Thus, it is preferable to introduce a crosslinked structure.
The reaction conditions are not particularly limited. For example, an acrylic fiber containing 15% by mass or less of an acidic group-containing comonomer unit is used in an aqueous solution having a hydrazine concentration of 1 to 3% by mass at a temperature of 90 to 140 ° C. and 1 to 5%. It is preferable to perform a cross-linking treatment for a time.
As the hydrazine compound, hydrazine hydrochloride, hydrazine sulfate, hydrazine hydrate, hydrazine carbonate and the like can be used, and there is no particular limitation.
Here, the hydrazine concentration refers to the concentration of the hydrazine component in the hydrazine compound.

Next, it is preferable to mainly hydrolyze the nitrile group in the acrylic fiber into which the crosslinked structure is introduced, using an inorganic base.
The hydrolysis reaction using an inorganic base is preferably performed in an aqueous solution or a mixed solution with a solvent miscible with water. The inorganic base concentration is preferably 2.0 to 10.0% by mass. The reaction temperature is preferably 80 to 160 ° C (more preferably 90 to 120 ° C). The reaction time is preferably 1 to 3 hours. After the hydrolysis treatment, neutralization and washing with an acetic acid or formic acid aqueous solution are preferably performed.
As the hygroscopic exothermic acrylic fiber, commercially available “Sambarna” (registered trademark) manufactured by Toho Textile Co., Ltd. and “Ex” (registered trademark) manufactured by Toyobo Co., Ltd. are preferable. In particular, “Sunburner” (registered trademark) manufactured by Toho Textile Co., Ltd. not only has a high moisture absorption and heat generation function, but also has an excellent deodorizing effect on acetic acid and ammonia, pH buffering property, antistatic property, flame retardancy, and skin safety. .

The hygroscopic exothermic fiber includes one type of matting agent, antibacterial agent, micropore forming agent, cationic dye dyeing agent, anti-coloring agent, thermal stabilizer, fluorescent whitening agent, coloring agent, hygroscopic agent, and inorganic fine particles. Or 2 or more types may be contained.
The hygroscopic exothermic fibers may be long fibers or short fibers. In the case of short fibers, the fiber length is preferably 75 mm or less. In addition, the fibers may or may not be crimped. The single fiber fineness is preferably in the range of 0.5 to 5.0 dtex, and in the range of 1.0 to 3.0 dtex is particularly preferable from the viewpoint of obtaining a soft texture.

  The garment of the present invention is composed of a fabric in which the hygroscopic exothermic fibers are partially arranged. In the warp direction or the weft direction, the width of the portion where the hygroscopic exothermic fibers are adjacent to each other is preferably 5 cm or more and less than 50 cm. In that case, it is preferable that the area ratio (it shows below) of the site | part containing a hygroscopic exothermic fiber exists in the range of 5 to 80% with respect to the fabric surface area. Area ratio of part including hygroscopic exothermic fiber = Total area of part including hygroscopic exothermic fiber / Dough surface area × 100

  In the fabric, the fibers other than the hygroscopic exothermic fibers (hereinafter sometimes referred to as “other fibers”) include synthetic fibers such as polyester fibers, nylon fibers, polypropylene fibers, polyurethane fibers, and polyether ester fibers. It is done. As the polyester fiber, a polyester fiber made of polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polylactic acid, stereocomplex polylactic acid, polyester obtained by copolymerizing a third component, or the like is preferable. The polyester may be material-recycled or chemical-recycled polyester or polyethylene terephthalate using a monomer component obtained from biomass, that is, a biological material. Furthermore, the polyester obtained using the catalyst containing the specific phosphorus compound and titanium compound which are described in Unexamined-Japanese-Patent No. 2004-270097 and 2004-21268 may be sufficient.

The other fibers include one type of matting agent, antibacterial agent, micropore forming agent, cationic dye dyeing agent, anti-coloring agent, heat stabilizer, fluorescent whitening agent, coloring agent, hygroscopic agent, or inorganic fine particles. Two or more kinds may be included.
The other fibers may be long fibers or short fibers. In the case of short fibers, the fiber length is preferably 75 mm or less. In addition, the fibers may or may not be crimped. The single fiber fineness is preferably in the range of 0.5 to 5.0 dtex, and in the range of 1.0 to 3.0 dtex is particularly preferable from the viewpoint of obtaining a soft texture.

  The fabric structure of the fabric is not particularly limited, and may be a woven fabric or a knitted fabric. For example, woven fabrics having a woven structure such as plain weave, twill weave, and satin, and knitted fabrics having a knitted structure such as tenji, smooth, milling, kanoko, knitting yarn, denby, half, etc. are preferably exemplified, but not limited thereto. Is not to be done. The number of layers may be a single layer or a multilayer of two or more layers. In particular, a woven fabric is preferable, and it is preferable that the hygroscopic exothermic fibers are arranged on a part of the warp and / or a part of the weft constituting the woven fabric. At that time, the hygroscopic exothermic fibers may be arranged in a border shape (that is, a plurality of hygroscopic exothermic fibers and other fibers are alternately arranged). In particular, it is preferable from the viewpoint of weaving process that the hygroscopic exothermic fiber is not arranged on the warp but only on a part of the weft.

In that case, the said hygroscopic exothermic fiber may be blended as another fiber and may be contained in the cloth | dough, for example. For example, the hygroscopic exothermic fiber and polyurethane fiber, and further, if necessary, other fibers may be twisted or covered, and the hygroscopic exothermic fiber may be included in the fabric as a composite yarn arranged on the sheath yarn.
The fabric can be woven or knitted by a conventional method. At that time, post-processing such as normal dyeing processing, raising processing, calendar processing, embossing processing, heat storage processing, water absorption processing, and antibacterial processing may be appropriately performed.

In the garment of the present invention, it is preferable that the garment is a garment that covers at least the abdomen, and the hygroscopic exothermic fiber is disposed at a position covering the abdomen.
Such clothing is preferably trousers or skirts. For example, as shown in FIG. 1, a skirt, trousers, or the like in which a portion including a hygroscopic exothermic fiber is disposed at a portion covering the abdomen is preferable. In particular, it is preferable that the site containing the hygroscopic exothermic fiber covers the lower abdomen and its back and sides.

  Since the garment of the present invention is composed of a fabric partially containing hygroscopic exothermic fibers, the garment manufacturing process is simplified and the appearance is excellent. Furthermore, it is superior in light weight as compared with fabrics containing hygroscopic exothermic fibers as described in Utility Model No. 3196381, which are sewn on clothes.

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

[Example 1]
Nylon monofilament total fineness of 22 dtex is used as the warp, and the warp density is 73 yarns / cm. Using terephthalate multifilament false twisted yarn total fineness of 167 dtex / 72 filament, polyurethane 22 dtex 3.0 times draft and twisted at 600 T / M, and polyester filament total fineness of 84 dtex / 36 filament A polyethylene terephthalate multifilament false twisted yarn total fineness of 167 dtex / 72 filament was used for the portion corresponding to the portion, and a plain texture woven fabric was woven at a density of 55 wefts / cm. The living machine is washed with hot water at 60 ° C. and dried with a shrink surfer (manufactured by Hirano Tech Seed) at 150 ° C., so that the hygroscopic exothermic fibers are arranged on a part of the weft at the portion corresponding to the abdomen covering portion. A fabric having a density of 181 yarns / cm, a weft density of 66 yarns / cm, and a warp density of 83 yarns / cm and a weft density of 65 yarns / cm was obtained at the skirt portion. In such a woven fabric, the width (length in the warp direction) of the portion where the hygroscopic exothermic fibers were arranged was 5 cm or more and less than 50 cm (including bordered items). Next, using the woven fabric, a skirt was sewn in a position where the portion including the hygroscopic exothermic fiber covered the abdomen (the lower abdomen and its back and sides).

  When the tester tried on the skirt, the abdomen was warmed as if he was wearing a belly band made of hygroscopic exothermic fibers, and was excellent in hygroscopic exothermic heat at + 2 ° C. or higher at 20 ° C. and 65% RH. Moreover, the manufacturing process of clothing was simplified and the appearance was excellent. Moreover, it was excellent in lightness.

[Comparative Example 1]
Polyethylene terephthalate multifilament false twisted yarn total fineness of 167 dtex / 72 filament and polyurethane 22 dtex of 3.0 as the weft, as the portion corresponding to the abdomen covering part, using nylon monofilament total fineness of 22 dtex as the warp A composite yarn twisted with a draft of 600 T / M and a polyester filament total fineness of 84 dtex / 36 filaments is used, and a polyethylene terephthalate multifilament false twisted yarn total fineness of 167 dtex / 72 filaments is used at the hem portion. Used to weave plain texture fabric at a weft density of 55 / cm. This living machine is washed with hot water at 60 ° C. and dried with a shrink surfer (manufactured by Hirano Tech Seed) at 150 ° C., so that the part corresponding to the abdomen covering part has a warp density of 181 lines / cm, a weft density of 66 lines / cm, and a hem part. A woven fabric having a warp density of 83 / cm and a weft density of 65 / cm was obtained at the corresponding portion.
Next, a skirt was sewn using the fabric. The appearance was excellent, but no hygroscopic exothermic property was observed.

  According to the present invention, not only is the moisture absorption exothermic property excellent, but also the clothing manufacturing process is simplified and the appearance is excellent, and its industrial value is extremely large.

1 Skirt 2 Part containing hygroscopic exothermic fiber 3 Part containing no hygroscopic exothermic fiber

Claims (5)

  A garment characterized in that it includes a fabric having hygroscopic exothermic fibers in part.   The clothing according to claim 1, wherein the moisture-absorbing exothermic fiber is an acrylic fiber or a cellulose fiber.   The clothing according to claim 1 or 2, wherein the fabric is a woven fabric, and the hygroscopic exothermic fibers are arranged on a part of the warp or the weft constituting the woven fabric.   The garment according to any one of claims 1 to 3, wherein the garment is a garment having at least a part covering the abdomen, and the hygroscopic exothermic fibers are arranged in a part covering the abdomen.   The clothing according to any one of claims 1 to 4, wherein the clothing is a skirt or trousers.

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