JP2003328237A - Laminated yarn, laminated material and fibrous product - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a laminated yarn, laminated material and fibrous product, equipped with insecticidal, fungicidal and bactericidal effects, decomposing and cleaning harmful substance, generating negatively charged particles, without decreasing such various functions and without harming the touch feeling, beautiful appearance and real feeling of functionality even on giving irritations such as washing or vibration. <P>SOLUTION: This laminated yarn 3 is formed by depositing a first metal layer 3b on the one side surface of a synthetic resin film 3a, further depositing a second metal layer 3c consisting of a metal having a potential difference with the metal constituting the first metal layer 3b, on the first metal layer 3b, then joining the synthetic resin films 3a deposited with the first metal layer 3b and the second metal layer 3c each other so that the second metal layers become inside to form a sandwich-shaped structural material, and cutting the sandwich-shaped structural material as a yarn shape. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a safe and semi-permanent insect / mold / bactericidal effect, can decompose and purify harmful substances, and can generate negative ions. Regarding

[0002]

2. Description of the Related Art Conventionally, as fiber products having insect / mold / bactericidal effects, for example, fiber products in which specific active ingredients have been kneaded during the production of raw fibers, and dyeing processing of these active ingredients. Along with the textile products attached in the process,
An ion-exchangeable metal layer is vapor-deposited on a synthetic resin film, and a synthetic resin film on which the metal layer is vapor-deposited is adhered so that the metal layer is on the inside to produce a sandwich-like structure, and the sandwich-like structure is manufactured. Laminated yarn formed by cutting into a filament shape, or a fiber product in which a laminated body formed by crushing the sandwich structure is attached to the original yarn,
It's being used.

On the other hand, negative ions are considered to have a relaxing effect on humans, and pulverized fine powder of charcoal or tourmaline which generates negative ions is attached / mixed.
Coated textile products have also been developed and used in the past

[0004]

However, these fiber products have the following problems.

First, a fiber product using a laminated yarn or a laminated body is effective against bacteria such as bacteria, viruses, and tinea cinerea, which has been slow to evolve even if it is a type of mold, but it has a strong vitality. There was a problem that it could not be expected to completely suppress the growth of mold and blue mold, and that it could not be expected to repel mites, chisel and insects, or to suppress the growth of large fungi and plankton.

[0006] Further, the fiber product using charcoal or tourmaline has a problem that its function cannot be maintained for a long period of time because charcoal, tourmaline and the like fall off due to external stimuli such as washing.

[0007] Further, a textile product having both insect repellent / mold / bactericidal effect and negative ion generating ability has not been developed so far.

Therefore, the present invention has insect repellent, mildew proof, and bactericidal effects, can decompose and purify harmful substances, can generate negative ions, and have various functions even when stimulated by washing or vibration. Does not decrease, and does not impair the feel, aesthetics, and functional feeling of the user.
The purpose is to provide textile products.

[0009]

That is, the laminated yarn according to the present invention comprises a metal having a potential difference from the metal forming the first metal layer by vapor-depositing the first metal layer on one surface of the synthetic resin film. After depositing the second metal layer on the first metal layer, the synthetic resin films having the first and second metal layers deposited thereon are adhered to each other so that the second metal layer is on the inside. It is characterized in that a sandwich-like structure is manufactured by cutting the sandwich-like structure into a thread shape.

Further, in the laminate according to the present invention, the first metal layer is vapor-deposited on one surface of the synthetic resin film, and the second metal layer made of a metal having a potential difference from the metal forming the first metal layer is formed. After depositing on the first metal layer, the synthetic resin films on which the first and second metal layers are deposited are adhered to each other so that the second metal layer is on the inside to form a sandwich structure. It is characterized by being manufactured and crushing a sandwich structure.

Further, the fiber product according to the present invention contains the above-mentioned laminated yarn as a part of the raw yarn, or
The laminated body is attached to the raw yarn.

As described above, the laminated yarn and the laminated body according to the present invention have a sandwich structure in which two kinds of metal layers that generate a potential difference are sandwiched between synthetic resin films. Even after repeated washing or using a bleaching agent, the insect repellent, mildew proofing, bactericidal effect and negative ion generating effect are reduced, and the metal layer is blackened to form a laminated yarn, a laminated body, and a fiber having these components. The appearance of the product does not deteriorate. Further, since these laminated yarns and laminates have flexibility due to the synthetic resin film and aesthetics based on the metallic luster due to the metal layer,
The layered product and the textile product including these components have sufficient flexibility and aesthetics.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a partially enlarged view of a T-shirt (fiber product) A according to the present invention. As shown in FIG. 1, the fiber product A is a yarn 1 and a yarn 2 which are stitch-stitched. Here, the thread 1 is a thread manufactured from natural or synthetic fibers,
As shown in FIG. 2, the yarn 2 has a laminated yarn 3 described below as a core,
It is a core yarn in which cotton fiber 4 is sheathed.

FIG. 3 is a diagram schematically showing the structure of the laminated yarn 3, and as shown in this figure, the laminated yarn 3 is made of a synthetic resin film 3a, and a first metal layer 3b and a second metal layer 3b which will be described later. It has a sandwich structure in which the metal layer 3c is sandwiched and the laminated yarn 3 is manufactured by the following procedure.

First, a metal is vapor-deposited on the synthetic resin film 3a by a vacuum vapor deposition method, an ion vapor deposition method or the like to form a first metal layer 3b. Next, the second metal layer 3c is vapor-deposited on the first metal layer 3b in the same manner as the first metal layer. Further, the synthetic resin films 3a having the second metal layer 3c deposited thereon are adhered to each other with an adhesive so that the second metal layer 3c is on the inside, and the first metal layer 3b and the second metal layer A sandwich structure in which 3c is sandwiched between synthetic resin films 3a is manufactured. Finally, the sandwich structure is cut in the longitudinal direction to complete the laminated yarn 3. In addition, laminated yarn 3
The width of the range is about 0.1 considering economic efficiency and silkiness.
It is 0.5 mm.

Here, the synthetic resin film is a film made of polyester, polyamide, polyolefin or the like, and has a thickness of about 3 to 100 μm, preferably about 4 to 12 μm.

Further, as the metal constituting the first metal layer 3b, metals such as silver and copper can be considered, but among them, silver is most suitable from the viewpoint of aesthetics, nobility and safety.
The thickness of the first metal layer 3b is about 20-100n.
It is about m, and about 50 to 60 nm is preferable from the viewpoint of product cost.

Further, as the metal constituting the second metal layer 3c, metals such as aluminum, nickel and chromium can be considered. However, considering the size of the potential difference from the first metal layer and the price, aluminum is used. Optimal. The thickness of the second metal layer 2b is about 20 to 100 nm, preferably about 50 to 60 nm from the viewpoint of product cost.

Further, polyurethane adhesives, polyester adhesives and acrylic adhesives can be considered as adhesives, but considering the safety of textile products, low formalin polyurethane or polyester adhesives are considered. Is preferred.

FIG. 4 is a partially enlarged view of the filter (textile product) B according to the present invention. As shown in FIG. 4, the textile product B has a laminated body 6 attached to the surface of a nonwoven fabric composed of threads 5. It is a thing. The thread 5 is a thread made of natural fiber or synthetic fiber. Although the non-woven fabric may be a non-thermoplastic fabric, a thermoplastic fabric is preferable from the viewpoint of adhesiveness, and the thread 5 is also preferably a thermoplastic fabric.

FIG. 5 is a diagram schematically showing the structure of the laminated body 6. As shown in this figure, the laminated body 6 is made of a synthetic resin film 6a, and the first metal layer 6b and the second metal layer 6b. It has a sandwich structure in which the layer 6c is sandwiched. An adhesive layer 6d is provided on one surface of the laminated body 6.

Such a laminated body 6 is manufactured into a sandwich structure by the same method as the laminated yarn 3, and one surface of the sandwich structure is coated with a synthetic resin having a low melting point or a synthetic resin having a low melting point. It is made by adhering a film consisting of, cutting in both longitudinal and lateral directions, and crushing. The cut size of the laminated body 6 is 0.
A substantially square shape of 1 to 0.5 mm is preferable. Also, the adhesive layer 6
The thickness of d should be as thin as possible, 0.5-2μ
The optimum thickness is about m.

The adhesive layer 6d is made of a synthetic resin having a lower melting point than that of the synthetic resin forming the synthetic resin film 6a, and examples of such a synthetic resin having a low melting point include polypropylene, polyurethane, acryl and polyester resins. However, it is sufficient that the melting point is 20 to 40 ° C. lower than that of the synthetic resin film 6a, and the polyester type is preferable.

Specifically, such a laminated body 6 can be attached to a nonwoven fabric by the following procedure. First, the laminated body 6 so that the water has an appropriate degree of mixing.
And the necessary amount is ejected from the flat nozzle onto the surface of the non-woven fabric to evenly mount the laminate 6. Next, after drying the residual moisture from the non-woven fabric, if you apply a hot press,
The adhesive layer 6d of the laminate 6 melts and becomes an adhesive, and the laminate 6 is attached to the nonwoven fabric. Then, the laminated body 6 not attached to the nonwoven fabric is collected by vacuum or the like.

In a similar fabric, an adhesive is applied to a necessary portion of the non-woven fabric, the laminate without the adhesive layer 6d is sprinkled on the non-woven fabric to cover the entire surface, and then the laminate without the adhesive layer 6d is applied from above. It is also possible to manufacture the laminate 6 by thermocompression bonding with a hot press and sucking the laminate 6 by vacuum or the like. However, in order to expose the cross section of the laminated body as much as possible, prevent the laminated body from slipping off from the cloth as much as possible, and simplify the mounting processing method, the above method using the laminated body 6 is more preferable.

As described above, since the side surfaces of the first metal layers 3a, 6a and the second metal layers 3b, 6b are exposed to the outside, although they are oxidized and chlorinated, they are rubbed against the adjacent fibers, The oxidized part may be removed,
Even if you can't get it, you can't see it with the naked eye. Also, the first metal layer 3
The portions other than the side surfaces of a, 3a and the second metal layers 3b, 3b are protected by the synthetic resin film 3a or 6a, and therefore do not oxidize or chloride. Therefore, even if it is repeatedly washed or a bleaching agent is used, the insect repellent / mold / bactericidal effect and the negative ion generating effect are not deteriorated.

Next, the textile product according to the present invention will be manufactured and various tests will be carried out to explain the present invention in more detail.

(1) Production of laminated yarn A first metal layer having a thickness of 50 nm was vapor-deposited on a polyester film (manufactured by Toray) having a thickness of 9 μm by a vacuum vapor deposition method. Then, a 50-nm-thick second metal layer made of aluminum was vapor-deposited on the pure silver metal layer by the same method. Furthermore, a polyester-based adhesive was used to bond polyester films having metal layers vapor-deposited to each other so that the metal layers were on the inside, to produce a sandwich structure. Finally, the sandwich structure was cut in the longitudinal direction to a width of 150 μm to produce a laminated yarn.

(2) Manufacture of Underwear First, the laminated yarn produced in (1) was subjected to a spinning and twisting machine to obtain a core yarn of cotton count 30 in which the laminated yarn was used as a core and a cotton fiber was used as a sheath. Next, the core yarn is evenly arranged on 4 gauge which is 1/6 of the total gauge of the 24 gauge knitting machine, and 100% cotton yarn of 30 count is arranged on the remaining 20 gauge to fabricate the cloth for plain knitting. did. Then, the manufactured cloth made of plain knitting was exposed and dyed, and then cut and sewn to obtain underwear. In this underwear, about 3% by weight of the laminated yarn is uniformly mixed with about 97% of cotton.

(3) Manufacture of Laminated Product A sandwich-shaped structure manufactured by the same method as in (1) was coated on one surface with a polyester resin having a melting point of 130 ° C. to a thickness of 1 μm to form a coated sandwich-shaped structure. A laminated body was manufactured by crushing into 0.15 mm × 0.15 mm.

(4) Manufacture of filter The laminate manufactured in (3) is mixed with water to diffuse, and from a nozzle having a flat mouth, 100% polyester, thickness about 8 m.
m, a weight of about 450 g / m ² was evenly sprayed on the felt material so that the weight of the laminated body was 3% of the felt material, and then it was dried, and at the outlet of the dryer, a roll having a surface temperature of 160 ° C. was used. Pressed. Finally, the laminate that did not adhere to the felt fabric was removed by vacuum to obtain a filter.

(5) Functional test The underwear produced in (2) and the filter produced in (4) have been confirmed to have insecticidal, mildewproof, bactericidal and negative ion generating effects, and also have a deodorizing function due to these. It was realized.

Since the underwear and the filter manufactured by the usual method do not have such a function, these functions are due to the laminated yarn manufactured in (1) and the laminated body manufactured in (3). Is considered to be. Further, in order for current to flow between dissimilar metals having a potential difference, such as the first metal layer and the second metal layer forming the laminated yarn or the laminated body,
One of these metals must be electrically grounded or in contact with water that is not pure water,
It is rare that these laminated yarns and laminated bodies are grounded by grounding or the like. However, considering that fungi and microorganisms grow in underwear and filters, and the growth and activity of ticks and fleas become active, the moisture from sweat adhering to the underwear,
It can be considered that the conductive state is created by the moisture coming from the moisture in the air adhering to the filter, and the insect repellent / mold / antibacterial / sterilizing effect and the negative ion generating effect are produced by the mechanism of the battery.

The present invention is not limited to the above-described embodiments and manufacturing examples, and various modifications can be made within the technical scope described in the claims.

For example, in the above-mentioned embodiment, the first metal layers and the second metal layers are made of the same metal, but they may be made of different metals. . Specifically, of the two synthetic resin films on which the metal layers constituting the laminated yarn or the laminated body are vapor-deposited, the first synthetic resin film has the first metal layer and the second metal layer made of silver, respectively. The second synthetic resin film may be made of aluminum, and the first metal layer and the second metal layer of the second synthetic resin film may be made of aluminum and silver, respectively. In this case, the central adhesive (insulator)
Each of the synthetic resin films sandwiches the battery, and the battery mechanism works in the same manner as in the above embodiment, and the first metal layer made of silver of the first synthetic resin film and the aluminum of the second synthetic resin film. Since the mechanism of the capacitor works with the first metal layer consisting of, the electric charge is stored in the adhesive when the laminated yarn or laminated body is in a non-conductive environment, and it is stored in the floor when placed in a conductive environment. Are released.

Further, in the above-mentioned embodiment, the underwear and the filter are exemplified as the textile products, but in addition to these, clothes such as underwear, socks, various shirts, bandages, sleepwear, sheets, duvet covers, blankets, Bedding such as pillow covers,
Dishclothes, towels and other daily necessities, curtains, carpets,
It may be a housing material such as wallpaper, ceiling material, or floor material.

Further, in the above-mentioned embodiment, the textile products A and B are the textile products made of plain knitting and non-woven fabric, respectively, but in addition to this, plain weave, twill weave, satin weave,
The fabric may be a woven fabric manufactured by a leno weave, a knitted fabric manufactured by tricot, Rasiel, Milanese, flat knitting, circular knitting, or the like, and a knitted woven fabric manufactured by the Karl Mayer method or the like.

[0039]

The laminated yarn and laminated body according to the present invention are
It has a sandwich structure in which two types of metal layers that generate a potential difference are sandwiched between synthetic resin films.

Therefore, even if the textile products containing them as the constituent elements are repeatedly washed and the bleaching agent is used for these, the insect repellent, mildew proof, bactericidal effect and the negative ion generating effect are lowered, and the metal layer is black. It does not deteriorate the appearance of the laminated yarn, the laminated body, and the fiber product having these as constituent elements.

Further, since the laminated yarn and the laminated body are provided with the flexibility due to the synthetic resin film and the aesthetics based on the metallic luster due to the metal layer, the laminated yarn and the laminated body and the fiber products having these as constituent elements are It has sufficient flexibility and aesthetic appeal.

[Brief description of drawings]

FIG. 1 is a partially enlarged view of an example of a textile product according to the present invention.

FIG. 2 is a diagram showing a configuration of a core yarn.

FIG. 3 is a diagram showing a structure of a laminated yarn.

FIG. 4 is a partially enlarged view of another example of the textile product according to the present invention.

FIG. 5 is a diagram showing a configuration of a laminated body.

[Explanation of symbols]

1 thread 2 core yarn 3 laminated yarn 4 cotton fiber 5 threads 6 laminate A textile products B textile products

Claims (4)

[Claims] 1. A first metal layer is vapor-deposited on one surface of a synthetic resin film, and a second metal layer made of a metal having a potential difference from the metal forming the first metal layer is formed on the first metal layer. After vapor deposition on the above, the first and second metal layers are vapor-deposited synthetic resin films are bonded to each other so that the second metal layer is on the inside to produce a sandwich structure, and A laminated yarn, which is formed by cutting a sandwich structure into a yarn shape. 2. A first metal layer is vapor-deposited on one surface of a synthetic resin film, and a second metal layer made of a metal having a potential difference from the metal forming the first metal layer is formed on the first metal layer. After vapor deposition on the above, the first and second metal layers are vapor-deposited synthetic resin films are bonded to each other so that the second metal layer is on the inside to produce a sandwich structure, and A laminated body characterized by being formed by crushing a sandwich structure. 3. A fiber product comprising the laminated yarn according to claim 1 as a part of a raw yarn. 4. A fiber product, wherein the laminated body according to claim 2 is attached to a raw yarn.