KR200308708Y1 - Soundproof sheet - Google Patents
Soundproof sheet Download PDFInfo
- Publication number
- KR200308708Y1 KR200308708Y1 KR20-2002-0025663U KR20020025663U KR200308708Y1 KR 200308708 Y1 KR200308708 Y1 KR 200308708Y1 KR 20020025663 U KR20020025663 U KR 20020025663U KR 200308708 Y1 KR200308708 Y1 KR 200308708Y1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- magnetic tape
- chip
- soundproof sheet
- waste tire
- Prior art date
Links
- 239000010920 waste tyre Substances 0.000 claims abstract description 21
- 229920002635 polyurethane Polymers 0.000 claims abstract description 20
- 239000004814 polyurethane Substances 0.000 claims abstract description 20
- 230000000903 blocking effect Effects 0.000 claims abstract description 16
- 239000002699 waste material Substances 0.000 claims description 6
- 238000005187 foaming Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000010410 layer Substances 0.000 description 38
- 239000000463 material Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 239000002649 leather substitute Substances 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/8409—Sound-absorbing elements sheet-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B2001/742—Use of special materials; Materials having special structures or shape
- E04B2001/746—Recycled materials, e.g. made of used tires, bumpers or newspapers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B2001/925—Protection against harmful electro-magnetic or radio-active radiations, e.g. X-rays
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
본 고안은 폐타이어 칩을 포함하는 폴리우레탄층을 갖는 방음시트에 관한 것으로, 상기 폴리우레탄층은 전자파 차단용 자기테잎 칩을 포함하는 것을 특징으로 한다. 이에 의하여, 전자파 차단의 효과를 나타내는 방음시트가 제공된다.The present invention relates to a soundproof sheet having a polyurethane layer including a waste tire chip, wherein the polyurethane layer is characterized in that it comprises a magnetic tape chip for blocking electromagnetic waves. Thereby, the soundproof sheet which shows the effect of electromagnetic wave shielding is provided.
Description
본 고안은, 전자파 차단용 방음시트에 관한 것으로서, 보다 상세하게는 자기테잎 칩을 첨가하여 우레탄 보완의 효과와 전자파 차단의 효과를 갖는 전자파 차단용 방음 시트에 관한 것이다.The present invention relates to a soundproof sheet for electromagnetic wave shield, and more particularly to a soundproof sheet for electromagnetic wave shield having the effect of supplementing urethane and the effect of electromagnetic wave shielding by adding a magnetic tape chip.
일반적으로 아파트 등의 공동주택시설이나 오피스 등의 건물에서 각 층 또는 외부에서 발생하는 소음이나 진동은 그 내부에서의 활동에 장애를 주게 된다.In general, noise or vibration generated from each floor or outside in a multi-unit building such as an apartment building or an office, etc., impedes an activity inside.
이러한 장애를 해소하기 위하여 우레탄을 발포성형하거나 폐타이어를 칩화하고 이를 열압착하여 방음, 방진용 시트를 제조하는 방법이 공지되고 있다. 또한, 한국실용신안등록 20-0179088에 아스팔트, SBS 수지 및 무기 충전물의 함침액에 침지되어 형성된 상부층과 하부층 사이에 분말상의 폐타이어, 폐고무, 숯 및 폴리우레탄계 접착제와의 혼합물을 가압 성형한 입자들을 투입하고 이들 사이의 공간을 치밀하게 함으로써 소음저하의 효과와 견고성 및 형태안정성을 향상시키는 소음 및 진동 저하재가 제시되어 있다. 그 외에 한국특허공개 1999-018897에도 폐고무분체를 첨가한 전자파 흡수용 고무페라이트 성형체 및 그 제조방법이 개시되어 있다.In order to solve such obstacles, a method of manufacturing a soundproofing and dustproof sheet by foaming urethane or chipping waste tires and thermally compressing them is known. Also, the Korean Utility Model Registration 20-0179088 is a particle formed by press-molding a mixture of powdered waste tires, waste rubber, charcoal, and polyurethane-based adhesive between the upper layer and the lower layer formed by being immersed in an impregnation solution of asphalt, SBS resin, and inorganic filler. Noise and vibration reducing materials are proposed to improve the effect of noise reduction, the robustness, and the shape stability by injecting them and compacting the space between them. In addition, Korean Patent Publication No. 1999-018897 also discloses a rubber ferrite molded article for absorbing electromagnetic waves containing a waste rubber powder and a method of manufacturing the same.
그러나, 이러한 방음, 방진용 시트의 경우 우레탄 자체가 갖는 낮은 인장강도로 인하여 찢어지거나 장기 사용시 탄성 회복능이 저하되어 방음, 방진 기능이 저하되는 문제점을 지니고 있다. 또한, 이러한 방음, 방진용 시트의 경우 전자기기의 다량 사용으로 인해 최근 들어 심각한 유해성이 사회문제로 제기되고 있는 전자파 차단의 기능도 수행할 수 없다.However, such a soundproofing and dustproof sheet has a problem in that it is torn due to the low tensile strength of the urethane itself or the elastic recovery ability is degraded when used for a long time, thereby deteriorating the soundproofing and dustproofing function. In addition, in the case of the soundproofing and dustproof sheet, due to the large amount of use of electronic devices, it is also not possible to perform the function of electromagnetic shielding, which has recently been a serious hazard as a social problem.
이러한 문제점을 해결하기 위하여, 폐타이어 칩을 성형블록화 하거나 발포우레탄을 시트화 한 방음시트에 금속박을 시공하거나, 금속분을 첨가하는 고안이 공지되고 있다. 즉, 한국실용신안등록 20-0274704에 은, 동, 알루미늄 등의 전자파 차단 재료가 종이, 섬유, 비닐 원단 등에 코팅된전자파 차단재가 개시되어 있고, 한국실용신안공개 1999-010960에 기재층, 표면장식층, 이면지지층 중 적어도 일층에 금속성분이 포함된 수맥파 및 전자기파 차단용 합성수지 바닥장식재가 개시되어 있으며, 한국특허공개 2002-0023260에 은, 구리, 또는 알미늄 분말 등을 폴리에틸렌 시트지에 도포한 후 부직포를 차단재 상피면과 배면에 압착하여 전자파 차단 박판을 완성하는 전자파 차단기능을 갖는 침구류가 개시되어 있다. 또한, 한국실용신안등록 20-0179088에 전자파, 수맥파 차단 및 시멘트와 철근의 산화부식 억제효과를 갖는 숯을 첨가한 소음 및 진동 저하재가, 한국실용신안등록 20-027945에 바닥재를 구성하는 각 층의 배합 원료에 전도성 카본을 투입함으로써 전자파 흡수 및 차단의 효과를 갖는 전자파 차단 바닥재가 개시되어 있다.In order to solve this problem, the invention is known to the construction of metal foil to the sound-resistant sheet in which the molded block of the waste tire chip or foamed urethane sheeting, or to add the metal powder. In other words, the Korean Utility Model Registration 20-0274704 discloses an electromagnetic wave shielding material in which electromagnetic wave shielding materials such as silver, copper, and aluminum are coated on paper, fiber, vinyl fabric, and the like. A synthetic resin floor decoration material for blocking water and electromagnetic waves in which at least one layer of a layer and a backing support layer is contained is disclosed. In Korean Patent Laid-Open Publication No. 2002-0023260, a non-woven fabric is applied after applying silver, copper, or aluminum powder to a polyethylene sheet. Disclosed is a bedding apparatus having an electromagnetic wave blocking function, which is pressed onto an epithelial surface and a rear surface of a barrier material to complete an electromagnetic wave blocking thin plate. In addition, the Korean Utility Model Registration 20-0179088 has a noise and vibration reducing material containing charcoal which has the effect of blocking electromagnetic waves, water waves, and inhibiting the corrosion of cement and steel bars. An electromagnetic shielding flooring material having an effect of absorbing and blocking electromagnetic waves by introducing conductive carbon into a blended raw material is disclosed.
그러나, 전자파 차단을 위해 금속박을 시공하는 경우 상부 콘크리트 타설 과정에서 수분에 의한 침식과 부식이 발생하여 제품의 내구성을 저하시키고, 제조공정상에서 금속박이 찢겨져 시공에 주의를 요한다. 금속분을 사용하는 경우에도 제조공정 중 금속분과 폐타이어 칩의 고분자층과의 상분리 등이 일어나 균일한 기능층을 얻기가 용이하지 않다.However, when the metal foil is installed to block electromagnetic waves, erosion and corrosion occurs due to moisture in the process of placing the upper concrete, thereby deteriorating the durability of the product and paying attention to the construction because the metal foil is torn in the manufacturing process. Even in the case of using the metal powder, phase separation between the metal powder and the polymer layer of the waste tire chip occurs during the manufacturing process, and thus it is not easy to obtain a uniform functional layer.
또한, 금속박이나 금속분 또는 카본을 투입하는 경우 원가상승을 초래하여 제품의 가격경쟁력을 저하시키는 제한적 요소가 되기도 한다.In addition, the addition of metal foil, metal powder, or carbon may cause a cost increase, thereby limiting the price competitiveness of the product.
따라서, 본 고안의 목적은, 전자파 차단기능, 우레탄의 낮은 인장강도 보완을 위한 지지체 혹은 보완재 기능을 수행하며 폐자원의 재활용으로 원가절감과 2차 오염원 절감의 효과를 달성할 수 있는 자기테잎 칩을 첨가한 방음시트를 제공하는 것이다.Accordingly, an object of the present invention is to provide a magnetic tape chip that can achieve the effect of reducing the cost and reducing the secondary pollution by recycling waste resources. It is to provide an added sound insulation sheet.
도 1은 본 고안의 바람직한 실시예에 따라 전자파 차단용 자기테잎 칩이 첨가된 폴리우레탄층이 도시된 단면도,1 is a cross-sectional view showing a polyurethane layer to which a magnetic tape chip for electromagnetic wave blocking is added according to a preferred embodiment of the present invention,
도 2는 본 고안의 다른 실시예에 따라 자기테잎 칩 층이 별개의 층으로 형성된 폴리우레탄층이 도시된 단면도.2 is a cross-sectional view showing a polyurethane layer formed of a magnetic tape chip layer as a separate layer according to another embodiment of the present invention.
* 도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings
10 : 폴리우레탄 12 : 폐타이어 칩10 polyurethane 12 waste tire chip
14 : 자기테잎 칩 30 : 자기테잎 칩 층14 magnetic tape chip 30 magnetic tape chip layer
40 : 폐타이어 칩 층40: waste tire chip layer
상기 목적은, 본 고안에 따라, 폐타이어 칩을 포함하는 폴리우레탄층을 갖는방음시트에 있어서, 상기 폴리우레탄층은 전자파 차단용 자기테잎 칩을 포함하는 것을 특징으로 하는 방음시트에 의하여 달성된다.According to the present invention, in the soundproof sheet having a polyurethane layer comprising a waste tire chip, the polyurethane layer is achieved by a soundproof sheet comprising a magnetic tape chip for blocking electromagnetic waves.
여기서, 상기 자기테잎 칩은 적어도 하나의 층으로 발포제조되어 전자파 차단 효과를 달성할 수 있다.Here, the magnetic tape chip may be foamed into at least one layer to achieve an electromagnetic wave blocking effect.
또한, 상기 자기테잎 칩은 폐자기테잎을 절단 파쇄하여 제조되는 것이 바람직하다.In addition, the magnetic tape chip is preferably manufactured by cutting and crushing the waste magnetic tape.
이하에서는 첨부도면을 참조하여 본 고안에 대해 상세히 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail for the subject innovation.
도 1은 본 고안에 따른 자기테잎 칩(14)이 첨가된 폴리우레탄층을 도시한 단면도로서, 본 고안에 따른 폴리우레탄층은 폐타이어 칩을 포함하여 이루어진다.1 is a cross-sectional view illustrating a polyurethane layer to which a magnetic tape chip 14 according to the present invention is added. The polyurethane layer according to the present invention includes a waste tire chip.
상기 폴리우레탄층은 재활용으로 수거된 폐폴리우레탄(10)을 1∼200㎜ 크기로 절단 파쇄하여 이를 50∼60% 중량부로 분취한 후 폐타이어 칩(12) 5∼15% 중량부, 1∼100㎜ 크기로 절단 파쇄한 자기테잎 칩(14) 0.5∼10% 중량부, MDI와 POLYOL, 산화방지제, 촉매 등을 강제 급속교반하여 이를 주형에 주입하고 60∼80간℃로 가열, 발포한 후 압착하여 완성한다. 이 때 각각의 반응조건에 따라서 발포 밀도나 셀의 크기, 셀 강도, 탄성회복능이 결정되어 방음시트 고유의 특성이 결정되게 된다.The polyurethane layer is cut and shredded waste polyurethane 10 collected by recycling into a size of 1 to 200 mm and fractionated into 50 to 60% by weight, and then 5 to 15% by weight of waste tire chips 12, 1 to 0.5 to 10% by weight of the magnetic tape chip 14, cut and crushed into 100 mm size, rapidly stirred with MDI, POLYOL, antioxidant, catalyst, etc., injected into the mold, heated to 60 to 80 ° C, and foamed. Press to complete. At this time, the foaming density, the size of the cell, the cell strength, and the elastic recovery ability are determined according to the respective reaction conditions, thereby determining the characteristic of the soundproof sheet.
상기 전자파 차단용 자기테잎 칩은 자기테잎에 도포된 자성분말 Co-aFe2Ｏ3,-Fe2Ｏ3, Fe , BaFe 등이 전자파를 반사, 흡수하여 전자파 감쇄 혹은 차단 효과를 나타낸다.The magnetic tape chip for electromagnetic shielding is magnetic powder Co-aFe 2 O 3 , -Fe 2 O 3 , Fe, BaFe or the like reflects and absorbs electromagnetic waves, and exhibits an effect of reducing or blocking electromagnetic waves.
이처럼 자기테잎 칩(14)을 폐타이어 칩(12)과 교반하여 폴리우레탄층에 첨가하는 방법으로 폴리우레탄층(20)을 형성할 경우 방음, 방진 기능과 전자파 감쇄 혹은 차단 기능이 단일층에 부여된다.As such, when the polyurethane layer 20 is formed by stirring the magnetic tape chip 14 with the waste tire chip 12 and adding it to the polyurethane layer, the soundproofing, dustproofing function, and electromagnetic wave damping or blocking function are imparted to a single layer. do.
도 2는 자기테잎 칩 층이 별개의 층으로 형성된 방음시트를 도시한 단면도이다.2 is a cross-sectional view illustrating a soundproof sheet in which a magnetic tape chip layer is formed as a separate layer.
상기 자기테잎 칩 층(30)은 폴리우레탄이나 폴리에틸렌 재질(11)의 기저층에 자기테잎 칩(14)을 고밀도로 충전분산시킨 후 발포시켜 완성한다. 도 2의 방음시트는 상기 자기테잎 칩 층(30)을 폐타이어 칩(12)이 분산되어 있는 폐타이어 칩 층(20)의 상하부에 PVA나 아교로서 접착시켜 완성된다.The magnetic tape chip layer 30 is completed by filling and dispersing the magnetic tape chip 14 in a high density on a base layer of polyurethane or polyethylene material 11 and then foaming it. The soundproof sheet of FIG. 2 is completed by bonding the magnetic tape chip layer 30 to the upper and lower portions of the waste tire chip layer 20 in which the waste tire chip 12 is dispersed as PVA or glue.
이처럼 자기테잎 칩 층을 폐타이어 칩 층과 별개의 층으로 하여 방음시트를 완성할 경우 방음, 방진기능은 폐타이어 칩 층이 수행하고 전자파 차단기능은 자기테잎 칩 층이 수행하여 양 기능이 분리되게 된다.Thus, when the soundproof sheet is completed by using the magnetic tape chip layer as a separate layer from the waste tire chip layer, the soundproof and dustproof function is performed by the waste tire chip layer, and the electromagnetic wave blocking function is performed by the magnetic tape chip layer. do.
이와 같이, 본 고안에 따른 폐타이어 칩을 포함하는 폴리우레탄층을 갖는 방음시트는, 상기 폴리우레탄층에 전자파 차단용 자기테잎 칩을 포함하도록 하여 전자파 차단 효과를 나타낼 수 있다.As such, the soundproof sheet having a polyurethane layer including the waste tire chip according to the present invention may exhibit an electromagnetic wave blocking effect by including a magnetic tape chip for electromagnetic wave blocking in the polyurethane layer.
또한, 본 고안에 따른 방음시트에 있어서, 자기테잎 칩은 인조가죽을 절단파쇄한 인조가죽 칩으로 대체할 수 있다. 이 경우 고밀도의 인조가죽에 의해 방음, 방진 기능이 향상되어 나타난다.In addition, in the soundproof sheet according to the present invention, the magnetic tape chip can be replaced with artificial leather chips that are cut and broken artificial leather. In this case, the soundproofing and dustproofing functions are improved by the high-density artificial leather.
한편, 전자파 차단용 자기테잎 칩은 폐타이어 칩 층과는 별개의 층을 이루어, 폐타이어 칩 층의 상부 및 하부에 접착될 수도 있고,단일층으로서 폐타이어 칩 층의 상부 또는 하부의 일부에만 접착될 수도 있다.On the other hand, the magnetic tape chip for electromagnetic wave blocking may form a separate layer from the waste tire chip layer, and may be bonded to the upper and lower portions of the waste tire chip layer, and may be attached only to a portion of the upper or lower portion of the waste tire chip layer as a single layer. May be
이상 설명한 바와 같이, 본 고안에 따르면, 폐타이어 칩을 포함하는 폴리우레탄층을 갖는 방음시트에 전자파 차단용 자기테잎 칩을 포함시킴으로써 방음, 방진의 기능 외에 전자파 차단 기능을 갖는 방음 시트가 제공된다.As described above, according to the present invention, a soundproof sheet having an electromagnetic wave shielding function in addition to the functions of soundproofing and dustproofing is provided by including a magnetic tape chip for shielding electromagnetic waves in a soundproof sheet having a polyurethane layer including waste tire chips.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2002-0025663U KR200308708Y1 (en) | 2002-08-28 | 2002-08-28 | Soundproof sheet |
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| Application Number | Priority Date | Filing Date | Title |
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| KR20-2002-0025663U KR200308708Y1 (en) | 2002-08-28 | 2002-08-28 | Soundproof sheet |
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| KR200308708Y1 true KR200308708Y1 (en) | 2003-03-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101161234B1 (en) | 2008-09-10 | 2012-07-02 | 한양대학교 산학협력단 | Sound-absorbing material and sound-proof wall employing it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101161234B1 (en) | 2008-09-10 | 2012-07-02 | 한양대학교 산학협력단 | Sound-absorbing material and sound-proof wall employing it |
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