KR20170096331A - Electromagnetic shielding clothing and manufacturing method the same - Google Patents
Electromagnetic shielding clothing and manufacturing method the same Download PDFInfo
- Publication number
- KR20170096331A KR20170096331A KR1020160017572A KR20160017572A KR20170096331A KR 20170096331 A KR20170096331 A KR 20170096331A KR 1020160017572 A KR1020160017572 A KR 1020160017572A KR 20160017572 A KR20160017572 A KR 20160017572A KR 20170096331 A KR20170096331 A KR 20170096331A
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- South Korea
- Prior art keywords
- fabric
- conductive
- garment
- yarn
- sewing
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Classifications
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- A41D31/0066—
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/008—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting against electric shocks or static electricity
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/441—Yarns or threads with antistatic, conductive or radiation-shielding properties
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/16—Physical properties antistatic; conductive
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
Abstract
Description
The present invention relates to a lightweight electromagnetic wave shielding garment having a uniform color and a method of easily and simply manufacturing the electromagnetic wave shielding garment using a conductive material.
Generally, an electromagnetic shielding garment is made from a fabric or knitted fabric that is coated with a conductive material or is woven with conductive fibers.
As an example of a method of manufacturing an electromagnetic wave shielding garment, Korean Patent Laid-Open Publication No. 2002-0076868 describes an electromagnetic wave absorbing fabric and a manufacturing method thereof.
According to the patent publication, the surface of a fabric or a knit is coated with a mixture of an electromagnetic wave absorber such as Mn-Zn and a resin and dried to produce a fabric having a coating layer. The coating layer is difficult to dye, There is a problem that peeling of the coating layer may occur.
Accordingly, the electromagnetic shielding clothes product can be produced by using the conductive fabric obtained by weaving the conductive fiber with synthetic fibers such as natural fibers such as cotton, nylon or polyester, mixed fibers of natural fibers and synthetic fibers, or the like, Is being used.
As an example of such conductive fibers, there is a method of producing an electromagnetic wave shielding fabric as a conductive fabric by using a conductive yarn coated with a conductive material on the outside of the yarn together with ordinary yarns.
However, according to this method, when the fabric is dyed, uneven color is realized due to the conductive yarn coated with the conductive material on the surface of the fabric, and the conductive yarn is strong and rough since the surface of the conductive yarn is metallic, There is a problem in that a difference in tensile strength is generated between the common yarn used together and the yarn is to be added and the yarn is not smoothly moved and the productivity of the weaving is lowered and the manufacturing is difficult.
In order to solve this problem, there is a method of manufacturing an electromagnetic wave shielding fabric by using a conductive fiber produced by a composite spinning method so that a conductive material is injected into the fibers.
However, the conductive fibers are limited in that they contain a high amount of conductive material without apparently exposing the conductive material, and thus there is a problem that the electromagnetic wave shielding property appears only when a large amount of expensive conductive fibers is used.
In another example, a conductive filament yarn made of copper wire, carbon fiber, silver yarn, gold yarn, stainless steel yarn, nickel yarn, or a mixture thereof is laminated on the surface of a polyethylene, polyester, nylon, polyurethane or the like in Korean Patent Publication No. 2003-0021407 An invention relating to an electromagnetic wave shielding yarn in which ordinary yarns are folded, wound, or combined with an escape cloth produced by escaping with a salt resin made of a mixture of two or more of them is disclosed. The yarn is excellent in touch and dyeability, There is no fear of separation, but it is difficult to expect the electromagnetic wave shielding effect because the conductive substance is not exposed in appearance, and the electromagnetic wave shielding source is expensive due to complicated manufacturing process.
As another example, there is a method of using a fabric that is made of conductive fibers of metal yarn. However, there is a method in which a difference in tension and specific gravity between natural fibers, synthetic fibers, mixed fibers of natural fibers and synthetic fibers, The productivity of weaving is lowered, and thus the manufacturing cost of the electromagnetic wave clothes is increased. In addition, the weight of the fabric increases due to the metal thread, the stretchability decreases, the metal yarn can be cut due to lack of ductility, and uneven color appears on the surface of the fabric when still dyed.
Further, in order to form a conductive network for electromagnetic wave shielding effect, the conductive yarns must be arranged longitudinally and laterally in the conductive fabric, which makes the weaving more difficult, increases the amount of conductive yarn used, There is a problem.
The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a bonding fabric, in which a fabric for general clothing is bonded on a conductive yarn-containing fabric formed by embedding a conductive yarn into a fabric for general clothing, And a method for manufacturing an electromagnetic shielding cloth by simply and easily manufacturing the electromagnetic shielding fabric.
In order to solve the above-described problems, the present invention provides an electromagnetic shielding garment comprising an electromagnetic shielding cloth sewed together by sewing together the electromagnetic shielding cloths, Wherein the sewing agent used in the sewing is a conductive yarn. 2. The electromagnetic shielding garment according to claim 1, wherein the conductive yarn is a conductive yarn.
The present invention also relates to a method for manufacturing a conductive yarn, comprising the steps of: preparing a conductive yarn-containing fabric by stitching a conductive yarn on a fabric for clothing longitudinally or transversely of the fabric for clothing; The outer garment fabric is laid over the conductive fabric-containing fabric so as to be laminated to obtain a fabric for shielding electromagnetic waves; And a step of sewing a plurality of said electromagnetic wave shielding fabrics so as to face each other so that the outer garment outer side is outside and sewing with a conductive yarn as a sewing yarn at a butted connecting joint portion to obtain an electromagnetic wave shielding garment do.
According to the present invention, a conductive network is formed by the conductive material in the garment, so that harmful electromagnetic waves can be shielded to prevent various diseases.
Further, instead of the conductive fabric, a small amount of the conductive material is stitched by using a general garment fabric, so that the amount of expensive conductive yarn is reduced and the manufacturing is simplified, resulting in improved productivity and economical efficiency.
In addition, since the conductive yarn is used in a small amount, the weight can be reduced as compared with the conventional electromagnetic wave shielding clothing.
In addition, in the dyed electromagnetic wave shielding fabric, a large amount of conductive fabric dyed in a separate color should be prepared. However, according to the present invention, a fabric for a garment dyed in an individual color is selected on one kind of embroidered conductive fabric- Since the conductive yarn is not dyed because the conductive yarn is not dyed, the metal component of the conductive yarn is oxidized during the dyeing process to prevent the electromagnetic wave shielding performance from being deteriorated. Since the conductive yarn is not exposed to the outside, uniform color is expressed from outside of the garment, The appearance quality is improved.
1 is a view showing a shirt according to an embodiment of the present invention.
2 is a photograph of an electromagnetic wave shielding garment according to another embodiment of the present invention.
3 is a photograph showing the inner fabric of the electromagnetic shielding garment of FIG.
4 is a photograph showing a conductive fabric-containing fabric in which a conductive yarn is embedded in a fabric for general garment according to an embodiment of the present invention.
The present invention relates to an electromagnetic wave shielding garment comprising an electromagnetic shielding cloth sewed together by sewing the electromagnetic shielding cloths against each other, wherein the electromagnetic shielding cloth is formed by attaching a conductive cloth to a fabric for clothing, And the sewing yarn used in the sewing is a conductive yarn.
An embodiment of the electromagnetic wave shielding garment according to the present invention will be described. For convenience of explanation, the electromagnetic shielding garment according to the present invention will be described by way of example, but the electromagnetic shielding garment according to the present invention includes all the garments that can be worn by a person. That is, the present invention includes all of clothing of underwear or underwear including women's underwear, a pair of shirts, knitwear, or a sportswear or work clothes.
Fig. 1 is an illustration of a shirt, which comprises a
Wherein the electromagnetic wave shielding fabric is made of a bonding fabric having a general garment fabric bonded thereon which does not absorb electromagnetic waves, the conductive fabric fabric is absorbed by electromagnetic waves, the fabric containing the conductive material is located inside the shirt, As shown in FIG.
The fabric for general garment is capable of producing clothes such as shirts and the like, and natural fibers such as cotton, synthetic fibers such as nylon or polyester, and mixed fibers of natural fibers and synthetic fibers can be used without limitation.
In this case, since the fabric for general garment is located on the outer side of the shirt so that the conductive yarn is not exposed, the tactile feel of the ordinary fiber is maintained instead of the metallic component, and the appearance due to dyeing on the outer surface is maintained And can be uniformly expressed.
In addition, since the bonded fabric for general clothing protects the fabric containing the conductive material, the fabric containing the conductive material may be damaged due to the difference in friction and stiffness between the stranded conductive fiber and the fabric fiber, It is possible to improve the durability and to reduce the influence of the unevenness of the stranded conductive yarn.
On the other hand, the electromagnetic wave shielding fabric can perform the protective action as described above even if the fabric for general clothing is overlapped with the conductive fabric-containing fabric without bonding treatment.
As shown in Fig. 4, it is preferable that the conductive agent-containing fabric is formed by stitching the conductive material in the longitudinal direction or the transverse direction of the fabric at intervals of 2 to 7 mm from the fabric for general clothing.
The conductive yarn may be formed by chemically bonding a conductive metal such as silver, copper, aluminum, stainless steel or nickel to the surface of the fiber or by applying the conductive metal to the surface of the fiber by electroless plating A metal foil; A metal yarn made only of a conductive metal; Filaments or horns of metal fibers and plain fibers; And the like can be used without limitation.
It is possible to reduce the consumption of expensive conductive yarn by adjusting the spacing of the strands of the conductive yarn and selectively shield electromagnetic waves (AC frequency in the range of 5 Hz to 20 KHz) emitted from the home and ordinary office environment.
In this case, when the interval between the strands is less than 2 mm, the electromagnetic wave shielding performance is improved but the degree of improvement is insignificant and the content of the metallic conductive yarn is increased, so that the stretchability of the fabric is considerably lowered and the amount of expensive conductive yarn is increased. , The electromagnetic wave shielding performance is remarkably lowered, which is not preferable.
In addition, when the fineness of the conductive yarn exceeds the fineness of the fibers constituting the fabric for general garment, the irregularities due to the conductive agent are increased at the conductive-containing fabric and the conductive yarn can be cut by friction, It is more preferable that the denier and the uniformity of the conductive material containing fabric are ensured.
In addition, the conductive yarn is preferably a spun yarn while being coated with copper or silver-coated metal, from the viewpoints of workability in flexibility and workability of stitching.
A method of manufacturing an electromagnetic wave shielding garment according to the present invention includes the steps of fabricating a conductive material containing fabric by sewing a conductive material to a garment fabric longitudinally or transversely of the fabric material; Bonding an outer garment fabric to the conductive fabric-containing fabric to obtain a fabric for shielding electromagnetic waves; And a step of sewing the plurality of the electromagnetic shielding fabrics to each other so that the outer garment outer side is outside and sewing the same as a stitching yarn at the butted joining joint portion to obtain an electromagnetic wave shielding garment.
In the step of fabricating the conductive material-containing fabric, it is preferable that the conductive material is stitched in the longitudinal direction or the lateral direction of the fabric at intervals of 2 to 7 mm.
The fabric for general garment is capable of producing clothes such as shirts and the like, and natural fibers such as cotton, synthetic fibers such as nylon or polyester, and mixed fibers of natural fibers and synthetic fibers can be used without limitation.
The conductive yarn may be formed by chemically bonding a conductive metal such as silver, copper, aluminum, stainless steel or nickel to the surface of the fiber or by applying the conductive metal to the surface of the fiber by an electroless plating method, Metal foil; A metal yarn made only of a conductive metal; Filaments or horns of metal fibers and plain fibers; And the like can be used without limitation.
If the spacing of the conductive yarns is less than 2 mm, the stretchability of the fabric is lowered and the amount of expensive conductive yarns used increases, which is not economically preferable. When the spacing is more than 7 mm, the electromagnetic shielding performance is significantly deteriorated.
The method of embedding is not particularly limited, but a uniform product can be obtained by using a quilting machine (or an embroidery machine), which is preferable from the viewpoint of productivity.
On the other hand, deformation in the fabric can be suppressed and planar retentivity can be improved by further performing a dipping treatment in which the cloth for general clothing is dipped in a crosslinking treatment liquid containing polycarboxylic acid, dried, heated and pressed. As a result, even if the conductive yarn is stuck to the conductive yarn, the shape of the conductive yarn-containing fabric is not culled or shrunk, so that the conductive yarn-containing fabric remains smooth and unchanged, so that workability for manufacturing the bonding fabric can be improved.
The crosslinking solution used was an aqueous solution containing 10 to 15% by weight of 1,2,3,4-butanetetracarboxylic acid, 3 to 7% by weight of sodium hypophosphite, and 8 to 12% by weight of polyethylene glycol as the polycarboxylic acid Is preferable because it does not inhibit the feel and feel of the fabric while improving planarity.
The immersion is preferably performed at 10 to 40 ° C for 1 to 300 seconds, and the drying is preferably performed at 60 to 120 ° C.
The heating is preferably performed at 120 to 200 ° C for 1 minute to 1 hour depending on the kind of the fabric, and the pressing is preferably performed at 1 g / cm 2 to 50 kg / cm 2 depending on the kind of the fabric. You can change it.
The shaping of the fabric can be completed by such heating and pressing.
According to an embodiment of the present invention, a fabric can be formed by using polyester and cotton fibers in a 50:50 blend plain weave fabric for general garment fabrics.
The fabric for the mixed weave fabric of 120 g / cm 2 was kneaded in an aqueous solution (crosslinking treatment solution) of 12 wt% of 1,2,3,4-butanetetracarboxylic acid, 5 wt% of sodium hypophosphite and 10 wt% of polyethylene glycol for a predetermined time And then dried at 60 DEG C to obtain a crosslinking treatment solution impregnation. The impregnation solution was then heated under load at 190 DEG C and 1 kg / cm < 2 > for 20 seconds by a hot press machine. Thereafter, it was heated in an air oven at 170 DEG C for 120 seconds.
After the thus obtained fabric was washed and tumble drying was repeated ten times, appearance evaluation was carried out according to AATCC Test Method 124. As a result, it was confirmed that the fabric was not crushed or shrunk and the flatness was maintained uniformly.
The shaping process can be carried out in both the clothing fabric, outer clothing fabric, and electromagnetic wave shielding fabric in the present invention.
The conductive yarn-containing fabric obtained by sticking the conductive yarn on the fabric for general clothing according to the present invention contains the conductive yarn similar to the conductive fabric obtained by weaving the conductive yarn together with the ordinary fibers, As compared with the case where weaving productivity is lowered due to the difference in tension control, the manufacturing can be simplified and the productivity can be improved due to the stitching of only the guide.
Further, the amount of the conductive yarn can be controlled to a small extent by adjusting the spacing of the strands, and the stretchability of the fabric itself does not deteriorate.
In the step of obtaining the material for shielding electromagnetic waves, the bonding is not particularly limited, but bonding may be performed using a polyurethane-based adhesive or a film.
By the bonding as described above, it is possible to prevent damage to the conductive material-containing fabric or tearing at the stitching area due to difference in friction and rigidity between the conductive yarn embedded in the conductive material and the general clothing fiber.
In addition, since the fabric for outer garment is located on the outer side of the garment, and the conductive yarn is not exposed, the tactile feeling of the ordinary fiber is maintained instead of the metal component, and the color due to dyeing on the outer surface Uniformly expressed and the insulating property can be expressed.
On the other hand, in the step of obtaining the electromagnetic wave shielding fabric, a fabric having a state in which the general garment fabric is overlapped with the conductive fabric-containing fabric without bonding treatment can be used. The overlapped fabrics are connected to each other during the sewing process so that they are not separated.
In the step of obtaining the electromagnetic shielding clothes, the
Therefore, the garment according to the present invention can function as an electromagnetic wave shielding because the conductive yarns provided on the entire clothes by the conductive yarn as the sewing yarn B are connected to make conductive connection network.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (5)
Wherein the electromagnetic wave shielding fabric comprises a laminated fabric in which a conductive yarn is embedded in a fabric for clothing and a fabric for outerwear is superimposed on a fabric containing conductive yarn in which the fabric is stitched longitudinally or transversely,
Wherein the sewing yarn used in the sewing is a conductive yarn.
Wherein the spacing of the conductive yarns in the stitched conductive-containing fabric is 2 to 7 mm.
Wherein the conductive-containing fabric is located on the inner side of the garment and the outer garment fabric is located on the outer side of the garment in the electromagnetic-wave shielding garment.
The outer garment fabric is laid over the conductive fabric-containing fabric so as to be laminated to obtain a fabric for shielding electromagnetic waves; And
And a step of sewing a plurality of said electromagnetic shielding fabrics to each other so as to make said outer garment outer side to be an outer side and sewing with a conductive yarn as a sewing yarn at a butted connecting joint portion to obtain an electromagnetic wave shielding garment.
Wherein the fabric is further subjected to a shaping treatment by immersing the fabric for clothing in an aqueous solution containing butane tetracarboxylic acid, sodium hypophosphite and polyethylene glycol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160017572A KR20170096331A (en) | 2016-02-16 | 2016-02-16 | Electromagnetic shielding clothing and manufacturing method the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160017572A KR20170096331A (en) | 2016-02-16 | 2016-02-16 | Electromagnetic shielding clothing and manufacturing method the same |
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| KR20170096331A true KR20170096331A (en) | 2017-08-24 |
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| KR1020160017572A KR20170096331A (en) | 2016-02-16 | 2016-02-16 | Electromagnetic shielding clothing and manufacturing method the same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102019017B1 (en) * | 2018-12-17 | 2019-09-06 | (주)베나코 | Clothing for sheilding electromagnetic wave |
| KR200490653Y1 (en) * | 2019-03-20 | 2019-12-11 | (주)본온텍스타일 | The cloth with conductive faric |
| CN111976250A (en) * | 2020-07-02 | 2020-11-24 | 浙江理工大学 | Electromagnetic shielding fabric with frequency selection characteristic based on embroidery structure and preparation method |
| KR20220099254A (en) * | 2021-01-06 | 2022-07-13 | 전주대학교 산학협력단 | Electromagnetic shielding function composite material and its manufacturing method |
-
2016
- 2016-02-16 KR KR1020160017572A patent/KR20170096331A/en active IP Right Grant
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102019017B1 (en) * | 2018-12-17 | 2019-09-06 | (주)베나코 | Clothing for sheilding electromagnetic wave |
| KR200490653Y1 (en) * | 2019-03-20 | 2019-12-11 | (주)본온텍스타일 | The cloth with conductive faric |
| CN111976250A (en) * | 2020-07-02 | 2020-11-24 | 浙江理工大学 | Electromagnetic shielding fabric with frequency selection characteristic based on embroidery structure and preparation method |
| KR20220099254A (en) * | 2021-01-06 | 2022-07-13 | 전주대학교 산학협력단 | Electromagnetic shielding function composite material and its manufacturing method |
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