KR20000007920A - Chemical cotton and yarn having function of preventing electronic wave - Google Patents

Chemical cotton and yarn having function of preventing electronic wave Download PDF

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Publication number
KR20000007920A
KR20000007920A KR1019980027499A KR19980027499A KR20000007920A KR 20000007920 A KR20000007920 A KR 20000007920A KR 1019980027499 A KR1019980027499 A KR 1019980027499A KR 19980027499 A KR19980027499 A KR 19980027499A KR 20000007920 A KR20000007920 A KR 20000007920A
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South Korea
Prior art keywords
yarn
chemical cotton
cotton
chemical
electromagnetic
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KR1019980027499A
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Korean (ko)
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김창길
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정애순
이순희
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Priority to KR1019980027499A priority Critical patent/KR20000007920A/en
Publication of KR20000007920A publication Critical patent/KR20000007920A/en

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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
    • 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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
    • 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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/02—Cotton wool; Wadding

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

PURPOSE: A chemical cotton and yarn are provided to give the function of preventing electronic wave on clothing and bedding, to use for a packing material or a sewing yarn. CONSTITUTION: The chemical cotton is made by mixing 20 wt% of CuSO4 or Au or Ag in nylon or polyester or polypropylene(P.P) solution; using the yarn obtained as chemical cotton as sewing yarn such as interlock, overlock to prevent the electronic rays; and also Fe2O3, NiO, ZNO, CuO, can be used as an absorbent of electric rays; the usage amount of the absorbent can be controlled according to the work performance, the absorbing rate.

Description

전자파 차폐능을 갖는 화학솜 및 원사.Chemical cotton and yarn having an electromagnetic shielding ability.

본 발명은 의류 및 침구의 쿠션등에 전자파 차폐기능을 갖도록 하기 위한 것으로, 특히 전자파 차폐기능이 우수한 황산동(CuSO4)이나 금(Au) 또는 은(Ag)을 혼합한 화학솜을 제공하여 각종 침구의 쿠션재로 사용하여 각종 전자기기인 전기 매트, 전기 장판, 전기 온돌에서 방출되는 전자파를 차단함은 물론, 상기의 화학솜을 원사로 취출하여 강한 전자기파가 방출되는 전자기기의 생산라인에서 검사를 위한 작업자의 작업복 또는 일상복을 제조할 경우에 상기 화학솜으로 취출된 원사(原絲)로 오바로크 또는 인타로크등 봉재사로 사용하여 전자기파로부터 인체를 보호할 수 있고, 전자기파로 인한 전자기기 상호간의 간섭을 방지할 수 있게 한 것이다.The present invention is to provide an electromagnetic shielding function in the cushion of clothing and bedding, and in particular, provides a chemical cotton mixed with copper sulfate (CuSO 4 ), gold (Au) or silver (Ag) excellent in the electromagnetic shielding function of various bedding It is used as a cushion material to block electromagnetic waves emitted from electric mats, electrical floorboards, and electric ondol, as well as workers for inspection in the production line of electronic equipments in which strong electromagnetic waves are emitted by drawing out the chemical cotton as yarn. When manufacturing the work clothes or daily clothes of the company can be used as sewing thread such as overlock or intarlock with the yarn taken out by the chemical cotton, to protect the human body from electromagnetic waves, and to prevent interference between electronic devices due to electromagnetic waves It is to be prevented.

최근 전자기기에 해당되는 전기매트, 전기장판, 전기온돌등 수면시 필요한 생활용품과 휴대용 전화기, 무선 전화기등 통신기기 보급이 급속히 증가됨에 따라 생활의 편리성 도모에 기여하고 있으며, 컴퓨터, TV, 오디오, 전자렌지, 팩시밀리등의 각종 전자 제품의 보급 또한 상당히 증가되어 문명의 이기의 혜택을 한껏 누리고 있는 것이다.Recently, the supply of daily necessities for sleep such as electronic mats, electric blankets, and electric heating devices, and communication devices such as mobile phones and cordless phones has been rapidly increasing, contributing to the convenience of life. The spread of various electronic products, such as microwave ovens and facsimiles, has also increased considerably, fully enjoying the benefits of civilization.

그러나 생활의 편리성 이면에는 인체에 악 영향을 미치는 전자파라는 존재가 있으나 편리성에 가려져 등한시되어 왔던 것이 주지의 사실이다.However, there is an electromagnetic wave that adversely affects the human body behind the convenience of living, but it is well known that it has been neglected by convenience.

최근 들어 건강에 대한 관심이 고조 되면서 전자파가 건강에 영향을 미칠 수 있다는 개연성에 대하여 논란이 지속되어 왔고 최근에는 전자파가 인체에 악 영향을 미친다는 사실들이 속속히 밝혀지고 있다.Recently, as interest in health has increased, controversy has continued about the possibility that electromagnetic waves may affect health, and recently, the fact that electromagnetic waves adversely affect the human body has been revealed.

따라서 상기와 같은 전자파로 인한 피해를 최소화하기 위하여 여러 가지의 제안이 행하여 지고 있으나 아직까지 실용화되고 있는 것은 거의 없으며 실용화되더라도 그 효과가 미약한 실정인 것이다.Therefore, various proposals have been made to minimize the damage caused by the electromagnetic waves, but there are few practical applications so far, and even if they are practical, the effect is weak.

한편 전자파 발생을 최소화 하거나 방지하기 위하여 일반적으로 채용되는 방법은 알루미늄 박지를 사용하는 것이다.On the other hand, a method generally employed to minimize or prevent the generation of electromagnetic waves is to use aluminum foil.

그러나 상기한 알루미늄 박지는 각종 통신 장비 및 전자, 전기 제품으로부터 발생되는 전자파를 완벽하게 차폐하는 방법으로는 미흡 하므로 장시간 전자파에 노출되는 작업자들에게는 유해 전자파로부터 보호되는 보호복이 반드시 필요하고, 유해 전자파가 발생되는 기계기구나 생활용품에 차폐막으로 활용될 수 있는 유해 전자파 차폐 제품이 요구되고 있는 것이다.However, since the aluminum foil is insufficient as a method of completely shielding electromagnetic waves generated from various communication equipments and electronics and electrical appliances, workers who are exposed to electromagnetic waves for a long time necessarily need a protective suit that is protected from harmful electromagnetic waves. There is a need for harmful electromagnetic shielding products that can be used as a shielding film in machinery and household goods are generated.

상기한 목적을 달성하기 위하여 최근에는 전자파 차폐기능을 갖는 기능성 섬유나 직물 및 편직물등이 제안되고 있으며 이는 동선 및 동박선을 면사와 함께 직조하여 직물을 제공하거나 또는 도전성 카본, 구리 입자, 망간등의 도전성 물질을 직물지 표면에 코팅하여 인체에 악 영향을 미치는 전자파를 용이하게 차폐할 수 있도록 한 것으로, 이는 전자파 차폐기능은 우수하나 그 가격이 상대적으로 고가이므로 실용화되기에는 다소 미흡한 것이고, 또한 상기한 전자파 차폐 직물은 직물에 단순 피복 코팅하므로 세탁 후 전자파 차폐기능이 떨어지는 단점이 있는 것이다.In order to achieve the above object, recently, functional fibers, woven fabrics and knitted fabrics having electromagnetic shielding functions have been proposed, which are woven copper and copper wires together with cotton yarns to provide fabrics, or conductive carbon, copper particles, manganese, and the like. The conductive material is coated on the surface of the fabric to easily shield electromagnetic waves that adversely affect the human body. The electromagnetic shielding function is excellent but its price is relatively high, and thus it is somewhat insufficient to be practically used. Shielding fabric is a simple coating coating on the fabric has a disadvantage that the electromagnetic shielding function is poor after washing.

본 발명은 상기한 종래의 문제점을 해결하기 위하여 안출한 것으로서, 본 발명의 목적은 전자파 차폐능이 우수한 황산동(CuSO4)이나 금(Au) 또는 은(Ag)을 혼합한 화학솜을 제공하여 각종 침구의 쿠션재로 사용하여 각종 전자기기와 전기 매트, 전기 장판, 전기 온돌에서 방출되는 유해 전자파를 차단하여 전자파로부터 인체를 보호할 수 있도록 한 것이고 또한 본 발명의 또 다른 목적은 황산동(CuSO4), 금(Au), 은(Ag)을 혼합한 화학솜으로 원사(原絲)을 취출하여 전자파 차폐기능을 갖는 원사(原絲)로 통상의 의류 제조시 오바로크, 인타로크 또는 봉재사등으로 사용하여 적은 비용으로 보호복, 또는 일상복에 전자파를 차폐할 수 있도록 차폐기능을 부여함으로서 현대생활에서 접하게 되는 기계기구나 생활용품에서 발생되는 유해 전자파를 손쉽게 차폐할 수 있도록 한 것이다.The present invention has been made to solve the above-mentioned conventional problems, an object of the present invention is to provide a chemical bed mixed with copper sulfate (CuSO 4 ), gold (Au) or silver (Ag) excellent in the electromagnetic shielding ability, various bedding It is used as a cushioning material to protect the human body from electromagnetic waves by blocking harmful electromagnetic waves emitted from various electronic devices, electrical mats, electrical blankets, and electrical ondol. Another object of the present invention is copper sulfate (CuSO 4 ), gold (Au), silver (Ag) is a chemical cotton blended yarn is taken out and has a function of shielding electromagnetic waves, and used as a baroque, interlock or sewing thread in the manufacture of ordinary clothing By providing a shielding function to shield electromagnetic waves in protective clothing or everyday clothes at low cost, it is possible to easily shield harmful electromagnetic waves generated from machinery and household goods encountered in modern life. It would be.

상기한 목적을 달성하기 위한 본 발명은 나일론이나 폴리에스터(P.E) 또는 폴리프로필렌(P.P)등의 원액으로 화학솜의 제조시 황산동(CuSO4)이나 금(Au) 또는 은(Ag)을 혼합하여 화학솜을 제조하고, 상기 화학솜으로 원사를 취출하여 침구의 쿠션재 또는 의류의 봉재사로 사용하여 인체에 악영향을 미치는 전자파를 차폐할 수 있도록 한 것을 특징으로 한다.The present invention for achieving the above object by mixing copper sulfate (CuSO 4 ) or gold (Au) or silver (Ag) during the production of chemical cotton with a stock solution such as nylon or polyester (PE) or polypropylene (PP) A chemical cotton is prepared, and the yarn is taken out with the chemical cotton and used as a cushion material for a bedding or a sewing material for clothing to shield electromagnetic waves adversely affecting a human body.

도 1은 본 발명의 전자파 차폐효과를 나타낸 그래프.1 is a graph showing the electromagnetic shielding effect of the present invention.

이하에서는 첨부 도면을 참조하여 본 발명의 가장 바람직한 일실시예를 상세히 설명하기로 한다. 우선, 각 도면을 설명함에 있어, 동일한 구성 요소들에 한해서는 비록 다른 도면상에 도시되더라도 가능한 한 동일한 참조부호를 갖는다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in describing each of the drawings, the same components have the same reference numerals as much as possible even though they are shown in different drawings.

제 1도에 도시한 바와 같이 본 발명의 전자파 차폐능을 갖는 화학솜은 통상의 화학솜 제조시 사용되는 나일론이나 폴리에스터(P.E) 또는 폴리프로필렌(P.P)등의 원액에 황산동(CuSO4)이나 금(Au) 또는 은(Ag)을 소정 중량% 혼합하여 화학솜을 제조하는 것이다.As shown in FIG. 1, the chemical cotton wool having the electromagnetic shielding ability of the present invention may be made of copper sulfate (CuSO 4 ), or the like in a stock solution such as nylon, polyester (PE), or polypropylene (PP). Gold (Au) or silver (Ag) by mixing a predetermined weight percent to prepare a chemical cotton.

본 발명에서 사용되는 전자파 차폐제는 황산동 또는 금, 은을 주재료로 하지만 산화철(Fe2O3), 산화니켈(NiO), 산화아연(ZnO), 산화구리(CuO)등과 같은 전자파 흡수제를 보조 성분으로 사용할 수 있으며, 여기에 공지의 분산제 및 윤활제가 첨가되어 사용된다.The electromagnetic wave shielding agent used in the present invention includes copper sulfate, gold, and silver, but electromagnetic absorbers such as iron oxide (Fe 2 O 3 ), nickel oxide (NiO), zinc oxide (ZnO), copper oxide (CuO), and the like as auxiliary components. Known dispersants and lubricants may be added and used therein.

상기 전자파 흡수제 성분들은 물과 혼합하여 액상의 묽은 용액으로 만든후, 열풍에 의한 스프레이 건조 공정에 의하여 500-600℃의 온도에서 묽은 용액을 분사하면 수분은 순간적으로 증발하면서 과립형 분말이 제조되면 상기의 과립형 분말을 성형을 위한 금형에 투입하여 800-1200 kg/cm2압력의 유압프레스로 가압하여 성형품을 형성시킨 후, 약 1200℃의 온도에서 8-10시간 정도 소결하여 완전 소결체로 만들고 사용할 때 약 300-500메쉬(mesh)의 분말로 분쇄하여 얻은 분말을 황산동이나 금 또는 은과 물 또는 휘발성이고 인체에 해가 없는 용제에 투입하여 사용한다.When the electromagnetic wave absorber components are mixed with water to form a liquid thin solution, and then sprayed with a dilute solution at a temperature of 500-600 ° C. by a spray drying process by hot air, the moisture evaporates instantaneously and the granular powder is prepared. Granular powder was added to a mold for molding and pressurized with a hydraulic press at 800-1200 kg / cm 2 to form a molded product, and then sintered at a temperature of about 1200 ° C. for 8-10 hours to form a complete sintered body. When powder is obtained by grinding into a powder of about 300-500 mesh (mesh), it is used by adding it to copper sulfate or gold or silver and water or a volatile and harmless solvent.

전자파 차폐제 및 흡수제의 사용량은 작업 용이성 및 용제 제거 효율, 전자파 차폐 및 흡수율을 고려하여 적절히 조정될 수 있다.The amount of the electromagnetic shielding agent and the absorbent may be appropriately adjusted in consideration of ease of operation and solvent removal efficiency, electromagnetic shielding and absorption rate.

분산제 및 윤활재는 본 발명이 속하는 기술 분야에서 통상적으로 사용되는 것이면 어느 것이라도 사용 가능하지만 인체에 악 영향을 끼치지 않는 것을 선택하여 사용하는 것이 바람직하다.The dispersant and the lubricant may be used as long as it is commonly used in the art to which the present invention belongs, but it is preferable to select and use those which do not adversely affect the human body.

본 발명의 전자파 차폐제인 황산동이나 금 또는 은을 화학솜에 혼합하는 방법은 화학솜 제조를 위한 원사 취출용 콘쥬게이트 다이스에 나일론이나 폴리에스터 또는 폴리프로필렌등의 원액과 차폐제의 혼합비율을 20중량 %로 하여 혼합한 후 교반하여 원액을 서로 다른 온도로 가열하는 다이스 본체 및 바이패스내를 통과 시킴으로서 원사를 취출하여 봉재사로 사용하면 되는 것이고, 취출되는 원사를 후공정으로 온도 편차를 갖게 하면서 원사를 당겼다 놓는 동작을 반복하는 것에 의해 원사가 단시간내에 천연솜에 가까운 부풀음을 갖도록 하여 화학솜을 제조하는 것이다.In the method of mixing copper sulfate, gold or silver, which is an electromagnetic wave shielding agent of the present invention, with a chemical cotton, a blending ratio of a stock solution such as nylon, polyester, or polypropylene and a shielding agent is 20% by weight in a yarn extracting conjugate die for producing chemical cotton. After mixing, the mixture was stirred and passed through a die body for heating the stock solution to different temperatures and inside the bypass, and the yarn was taken out and used as a sewing thread, and the yarn was pulled while having the temperature deviation in the post-process. By repeating the operation to place the yarn to have a swelling close to natural cotton in a short time to produce a chemical cotton.

이때 화학솜 원료와 차폐제의 혼합비율은 20중량 % 이내로 하는 것이 전자파 차폐율, 제작용이성, 제조되는 화학솜이 천연솜에 가까운 부풀음을 가지며 혼합비율이 상기 범주를 초과할 경우에는 제조되는 화학솜의 효과가 저하되는 문제점이 있는 것이다.At this time, the mixing ratio of chemical raw materials and the shielding agent should be within 20% by weight. The electromagnetic shielding rate, ease of manufacture, and the manufactured chemical cotton are close to natural cotton, and the mixing ratio exceeds the above range. There is a problem that is degraded.

상기와 같이 제조된 화학솜과 상기 화학솜으로 부터 취출된 원사의 전자파 차폐 효과를 측정한 결과 도 1에 도시한 바와 같이 전자파 차단효과가 매우 탁월하여 침구의 쿠션재로 사용하거나 또는 의류의 제조시 인터로크, 또는 오바로크등 봉재사로 사용하면 정전기 방지 및 유해 전자파 차단에 우수한 효과를 얻을 수 있는 것이다.As a result of measuring the electromagnetic shielding effect of the chemical cotton prepared as described above and the yarn taken out from the chemical cotton as shown in Figure 1 is very excellent electromagnetic shielding effect is used as a cushioning material of bedding or in the manufacture of clothing inter When used as a sewing thread such as lock or overlock, it is possible to obtain an excellent effect on antistatic and harmful electromagnetic wave blocking.

또한 본 발명은 화학솜의 제조 원액과 차페제를 혼합하여 전자파 차폐기능을 갖는 화학솜과 원사를 제공하므로 전자파 차폐제를 피복하는 것이 아닌 혼합하여 화학솜 또는 원사를 제공하므로 세탁후에도 종래의 전자파 차폐 직물과 달리 그 기능이 떨어지는 폐단이 없으므로 장시간 사용할 수 있는 장점이 있는 것이다.In addition, the present invention provides a chemical cotton and a yarn having an electromagnetic shielding function by mixing the preparation of the chemical cotton and shielding agent, so that the chemical shielding or yarn is provided by mixing the coating instead of coating the electromagnetic shielding agent, so the conventional electromagnetic shielding fabric even after washing Unlike that, there is no dropping function that does not have the advantage that can be used for a long time.

상술한 바와 같이 본 발명에 의하면 통상의 화학솜 제조 원액과 황산동이나 금 또는 은을 혼합하여 전자파 차폐기능을 갖는 화학솜과 의류의 봉재사를 제공하여 침구 또는 각종 의류의 제조시 인체에 악영향을 미치는 전자파를 용이하게 차폐할 수 있는 것이다.As described above, according to the present invention, by mixing a common chemical cotton stock solution with copper sulfate or gold or silver, providing a sewing thread of the chemical cotton and clothing having an electromagnetic shielding function to adversely affect the human body during the manufacture of bedding or various clothing The electromagnetic wave can be easily shielded.

Claims (2)

나일론이나 폴리에스터 또는 폴리프로필렌(P.P)등의 원액으로 화학솜의 제조시 황산동(CuSO4)이나 금(Au) 또는 은(Ag)을 20 중량% 혼합하여 화학솜을 제조하여 침구의 쿠션재로 사용하여 전자파를 차폐할 수 있도록 한 것을 특징으로 하는 전자파 차폐능을 갖는 화학솜.When manufacturing chemical cotton from raw materials such as nylon, polyester, or polypropylene (PP), 20% by weight of copper sulfate (CuSO 4 ), gold (Au) or silver (Ag) is mixed to prepare chemical cotton and use it as a cushion for bedding. Chemical cotton having an electromagnetic shielding ability, characterized in that to shield the electromagnetic waves. 제 1항에 있어서, 상기 화학솜으로 취출된 원사를 인터로크, 오바로크등 봉재사로 사용하여 전자파를 차폐할 수 있도록 한 것을 특징으로 하는 전자파 차폐능을 갖는 원사.The yarn having electromagnetic shielding ability according to claim 1, wherein the yarn taken out with the chemical cotton is used as a sewing thread such as an interlock or an overlock.
KR1019980027499A 1998-07-08 1998-07-08 Chemical cotton and yarn having function of preventing electronic wave KR20000007920A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010124145A2 (en) * 2009-04-23 2010-10-28 Slinkard Michael D Methods and apparel for attenuating electromagnetic fields emanating from a person
US8188452B2 (en) 2008-12-31 2012-05-29 Slinkard Michael D Methods and apparel for attenuating electromagnetic fields emanating from a hunter
US8203129B2 (en) 2009-08-28 2012-06-19 Slinkard Michael D Methods and apparel for attenuating electromagnetic fields emanating from a person in or on a body of water
US8212229B2 (en) 2009-04-23 2012-07-03 Slinkard Michael D Methods and apparel for attenuating electromagnetic fields emanating from an animal handler
US8405058B2 (en) 2010-02-05 2013-03-26 Michael D. Slinkard Methods and apparel for simultaneously attenuating electromagnetic fields and odors emanating from a person
US8410461B2 (en) 2010-04-22 2013-04-02 Michael D. Slinkard Methods and apparel for attenuating electromagnetic fields emanating from a person in a human adversarial situation
KR20170000743U (en) * 2015-08-19 2017-03-02 조성규 A memory foam duvet for electromagnetic interception and prevention of slipperiness

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8188452B2 (en) 2008-12-31 2012-05-29 Slinkard Michael D Methods and apparel for attenuating electromagnetic fields emanating from a hunter
WO2010124145A2 (en) * 2009-04-23 2010-10-28 Slinkard Michael D Methods and apparel for attenuating electromagnetic fields emanating from a person
WO2010124145A3 (en) * 2009-04-23 2011-02-17 Slinkard Michael D Methods and apparel for attenuating electromagnetic fields emanating from a person
US8212229B2 (en) 2009-04-23 2012-07-03 Slinkard Michael D Methods and apparel for attenuating electromagnetic fields emanating from an animal handler
US8203129B2 (en) 2009-08-28 2012-06-19 Slinkard Michael D Methods and apparel for attenuating electromagnetic fields emanating from a person in or on a body of water
US8405058B2 (en) 2010-02-05 2013-03-26 Michael D. Slinkard Methods and apparel for simultaneously attenuating electromagnetic fields and odors emanating from a person
US8410461B2 (en) 2010-04-22 2013-04-02 Michael D. Slinkard Methods and apparel for attenuating electromagnetic fields emanating from a person in a human adversarial situation
KR20170000743U (en) * 2015-08-19 2017-03-02 조성규 A memory foam duvet for electromagnetic interception and prevention of slipperiness

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