JPH02208999A - Electromagnetic wave shielding sheet - Google Patents
Electromagnetic wave shielding sheetInfo
- Publication number
- JPH02208999A JPH02208999A JP2935389A JP2935389A JPH02208999A JP H02208999 A JPH02208999 A JP H02208999A JP 2935389 A JP2935389 A JP 2935389A JP 2935389 A JP2935389 A JP 2935389A JP H02208999 A JPH02208999 A JP H02208999A
- Authority
- JP
- Japan
- Prior art keywords
- thickness
- electromagnetic wave
- wave shielding
- laminated
- shielding sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229920001971 elastomer Polymers 0.000 claims abstract description 28
- 239000005060 rubber Substances 0.000 claims abstract description 28
- 239000010426 asphalt Substances 0.000 claims abstract description 27
- 229910052742 iron Inorganic materials 0.000 claims abstract description 26
- 229920000098 polyolefin Polymers 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 2
- 239000004570 mortar (masonry) Substances 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は電磁波遮蔽シートに関するものである。[Detailed description of the invention] [Industrial application field] The present invention relates to an electromagnetic wave shielding sheet.
〔従来の技術］
第１表は従来の電磁波シールドの種類とそれらの長所、
短所を示したものである。[Prior art] Table 1 shows the types of conventional electromagnetic shielding and their advantages.
It shows the weaknesses.
［発明が解決しようとする課８］
上記従来技術の内、金属ホイル貼付法は次のような難点
がある。[Problem 8 to be solved by the invention] Among the above-mentioned conventional techniques, the metal foil pasting method has the following difficulties.
（１） 粘着剤の耐久性が悪い。(1) The durability of the adhesive is poor.
（２） 被着体へのなじみが悪い。(2) Poor compatibility with adherends.
（３） 防湿、防食性が悪い。(3) Poor moisture and corrosion resistance.
本発明は以上の点に鑑みなされたものであり、電磁波シ
ールド性に優れ、かつ良好な自己密着性を可能とした電
磁波遮蔽シートを提供することを目的とするものである
。The present invention has been made in view of the above points, and an object of the present invention is to provide an electromagnetic wave shielding sheet that has excellent electromagnetic wave shielding properties and enables good self-adhesion.
［課題を解決するための手段］
上記目的は、シートを、厚さ１００μ以下の鉄板の片面
に厚さ０．１〜１゜０Ｌｌｌのゴムアスファルトを積層
して形成することにより、達成される。[Means for Solving the Problems] The above object is achieved by forming a sheet by laminating rubber asphalt with a thickness of 0.1 to 1°0 Lll on one side of an iron plate with a thickness of 100 μm or less.
厚さ１００μ以下の鉄板に厚さ０．１〜１．Ｏｌのゴム
アスファルトがよく密着するようになって、電磁波シー
ルド性が向上し、自己密着性に優れたものとなる。A steel plate with a thickness of 0.1 to 1. The rubber asphalt of Ol adheres well, improving electromagnetic shielding properties and providing excellent self-adhesion.
因みにゴムアスファルトの鋼面およびガラスとの界面に
おける作用を次に述べる。ゴムアスファルトシートを鋼
面やガラス面に貼合せると圧着では界面に無数の空気膜
が発生して、初期の接着面積が小さいが、時間の経過と
共にゴムアスファルトはセルフレベリング（Ｓｅｌｆ
Ｌｅｖｅｌｌｎｇ ）現象で界面に順じた平面を構成す
ると界面でのクリアランスが小さくなり、パンデルワー
レス（ＶａｎｄｅｒＷａｌｌｅｓ）力が働いて界面は密
着し始めて空気泡が徐々に消滅して行くことはガラス面
での実験で観察できる。１０日〜１４日経過すると殆ん
どの空気泡が消滅して完全に密着するので、界面には著
しい減圧状態で接着力が増大していることが判る。Incidentally, the action of rubber asphalt at the interface with the steel surface and glass will be described below. When a rubber asphalt sheet is bonded to a steel or glass surface, numerous air films are generated at the interface during pressure bonding, and the initial adhesion area is small, but over time the rubber asphalt becomes self-leveling.
When a plane is constructed that conforms to the interface due to the phenomenon of It can be observed in the experiment. After 10 to 14 days, most of the air bubbles disappear and the adhesive is completely adhered, so it can be seen that the adhesive force is increased at the interface under a significantly reduced pressure state.
また、土壌に埋設して防食層に土庄が作用すると空気泡
の消滅スピードが早まる。この現象により、この防食シ
ートの被覆力は優れていることが判る。In addition, when buried in the soil and the soil layer acts on the anti-corrosion layer, the speed at which air bubbles disappear becomes faster. This phenomenon shows that the coating power of this anticorrosive sheet is excellent.
この被覆力により浸透水や空気の侵入が遮断できるので
ある。This covering power can block the infiltration of water and air.
［実施例］
以下、図示した実施例に基づいて本発明を説明する。第
１図には本発明の一実施例が示されている。電磁波を遮
蔽する電磁波遮蔽シートを、本実施例では厚さ１００μ
以下の鉄板１の片面に厚さ０．１〜１．０ｍｓ＋のゴム
アスファルト２を積層して形成した。このようにするこ
とにより厚さ１００μｍ以下の鉄板１に厚さ０．１〜１
．０■のゴムアスファルト２がよく密着するようになっ
て、電磁波シールド性に優れ、かつ良好な自己密着性を
可能とした電磁波遮蔽シートを得ることができる。[Example] The present invention will be described below based on the illustrated example. FIG. 1 shows an embodiment of the invention. In this example, the electromagnetic wave shielding sheet that shields electromagnetic waves has a thickness of 100μ.
Rubber asphalt 2 having a thickness of 0.1 to 1.0 ms+ was laminated on one side of the following iron plate 1. By doing this, the iron plate 1 with a thickness of 100 μm or less has a thickness of 0.1 to 1 μm.
．． The rubber asphalt 2 of 0.0 cm adheres well, and it is possible to obtain an electromagnetic shielding sheet that has excellent electromagnetic shielding properties and enables good self-adhesion.
このようにして形成した電磁波遮蔽シートの接着特性を
検討した結果は第２表に示す通りであり、スレート板に
接着した場合の剥離強さが３．８Ｋｇｆ／２５ｍ５、ガ
ラス板に接着した場合の剥離強さ力（３，６Ｋｇｆ／２
５ｍａ＋と、共に優れた接着特性を示した。また、防湿
特性をＪＩＳ ２０２０８に準拠して測定したが、透
湿度は０． ０ｇ／ｒｒｉ’・２４ｈと優れた特性を示
した。The results of examining the adhesive properties of the electromagnetic shielding sheet formed in this way are shown in Table 2, and the peel strength when adhered to a slate plate was 3.8Kgf/25m5, and the peel strength when adhered to a glass plate was 3.8Kgf/25m5. Peel strength force (3,6Kgf/2
5ma+, both exhibited excellent adhesive properties. In addition, the moisture-proof property was measured in accordance with JIS 20208, and the moisture permeability was 0. It showed excellent characteristics of 0g/rri'・24h.
第 ２
表
このように本実施例によれば、本実施例の電磁波遮蔽シ
ートは電磁波シールド性に優れ、かつ被覆力が大きく完
全に密着するため水分や空気の侵入を完全に遮断でき、
工業上非常に有用である。Table 2 As described above, according to this example, the electromagnetic shielding sheet of this example has excellent electromagnetic shielding properties, and has a large covering power and completely adheres, so it can completely block moisture and air from entering.
Very useful industrially.
なお、厚さ１００μ以下の極薄の鉄板はその製造法には
限定されないが、圧延銅箔あるいは電解鉄箔が一般的に
使用される。厚さ１００μ以下に限定したのはそれ以上
では剛性が高く、ロール状に巻き取れない、重量も重く
なり取扱い難い欠点があるからである。取扱い易さから
最も望ましくは、厚さ５０μ以下の電解鉄箔を用いるこ
とである。鉄箔の表面はそのままでもよいが、耐食性の
ために亜鉛またはニッケルメッキをすることが望ましい
。Although there are no restrictions on the manufacturing method for ultra-thin iron plates with a thickness of 100 μm or less, rolled copper foil or electrolytic iron foil is generally used. The reason why the thickness is limited to 100 μm or less is because if the thickness is more than 100 μm, the rigidity is too high and it cannot be rolled up into a roll, and it is also heavy and difficult to handle. From the viewpoint of ease of handling, it is most desirable to use electrolytic iron foil with a thickness of 50 μm or less. The surface of the iron foil may be left as is, but it is desirable to plate it with zinc or nickel for corrosion resistance.
また、ゴムアスファルトの厚さを０６１〜１、Ｏｍ−と
限定したのは、Ｑ、１ｓｅｔ以下では被着体の凹凸に追
従、吸収ができない、また、１．０ｍｍ以上ではシート
ｆｆ１ｆｆｉが大きくなり、運搬、貼付は施工が困難に
なるためである。In addition, the thickness of the rubber asphalt was limited to 061~1, Om- because if it is less than Q, 1 set, it cannot follow or absorb the unevenness of the adherend, and if it is more than 1.0 mm, the sheet ff1ffi becomes large. This is because transporting and pasting would make construction difficult.
このゴムアスファルト用の熱可盟性ポリマーはポリブタ
ジェン、ポリイソブチレン、スチレンφフタジエンラバ
ー、天然ゴムのいずれでもよいが、Ｓ、Ｂ、Ｓブロック
・コポリマーが望ましい。The thermoplastic polymer for this rubber asphalt may be polybutadiene, polyisobutylene, styrene φ phtadiene rubber, or natural rubber, but S, B, and S block copolymers are preferred.
第２図には本発明の他の実施例が示されている。Another embodiment of the invention is shown in FIG.
本実施例は電磁波遮蔽シートを、厚さ０．１〜１．０■
のゴムアスファルト２を積層した厚さ１００μ以下の鉄
板１の片面と反対側の片面に、０．１〜１，０■のゴム
アスファルト２を積層して形成した。このようにするこ
とによりゴムアスファルト２が鉄板ｌの両面に密着する
ようになって、前述の場合に比べ、構造物等に貼付けた
電磁波遮蔽シート上に保護モルタル、コンクリート等が
打設できるようになる。In this example, the electromagnetic wave shielding sheet was used with a thickness of 0.1 to 1.0 cm.
Rubber asphalt 2 of 0.1 to 1.0 .mu.m thick was laminated on one side of an iron plate 1 having a thickness of 100 .mu.m or less and the opposite side thereof. By doing this, the rubber asphalt 2 comes into close contact with both sides of the iron plate l, and compared to the case described above, protective mortar, concrete, etc. can be placed on the electromagnetic shielding sheet attached to the structure etc. Become.
第３図には本発明の更に他の実施例が示されている。本
実施例は電磁波遮蔽シートを、厚さ１００μ以下の鉄板
１の両面にポリオレフィンフィルム３を積層し、かつこ
のポリオレフィンフィルム３を積層した鉄板１の片面の
ポリオレフィンフィルム３上に厚さ０．１〜１．０ｍｍ
のゴムアスファルト２を積層して形成した。このように
することにより鉄板１の両面にポリオレフィンフィルム
３が積層され、この積層された片面にゴムアスファルト
２が密着されるようになって、鉄板のしわ、きすが防止
され、前述の場合よりも取扱性および表面美粧性が大幅
に向上する。FIG. 3 shows yet another embodiment of the invention. In this embodiment, an electromagnetic wave shielding sheet is laminated with a polyolefin film 3 on both sides of an iron plate 1 having a thickness of 100μ or less, and a polyolefin film 3 with a thickness of 0.1 to 100 μm is placed on one side of the iron plate 1 on which this polyolefin film 3 is laminated. 1.0mm
It was formed by laminating rubber asphalt 2. By doing this, the polyolefin film 3 is laminated on both sides of the iron plate 1, and the rubber asphalt 2 is brought into close contact with one side of the laminated surface, which prevents wrinkles and scratches on the iron plate, and is better than the case described above. The ease of handling and surface aesthetics are greatly improved.
第４図には本発明の更に他の実施例が示されている。本
実施例は電磁波遮蔽シートを、厚さ１００μ以下の鉄板
１の両面にポリオレフィンフィルム３を積層し、かつこ
のポリオレフィンフィルム３を積層した鉄板ｌの一方の
片面のポリオレフィンフィルム３上に厚さ０．１〜１．
０＋ｇｍのゴムアスファルト２を積層し、鉄板１の他方
の片面のポリオレフィンフィルム３上に紙４を積層して
形成した。このようにすることにより鉄板１の両面にポ
リオレフィンフィルム３が積層され、この積層された一
方の片面にゴムアスファルト２が密着され、他方の片面
に紙４が積層されるようになって、前述の場合に比べ壁
紙のように内装材として使用できるようになる。FIG. 4 shows yet another embodiment of the invention. In this embodiment, an electromagnetic wave shielding sheet is laminated with a polyolefin film 3 on both sides of an iron plate 1 with a thickness of 100 μm or less, and on one side of the iron plate 1 with this polyolefin film 3 laminated with a polyolefin film 3 with a thickness of 0.0 μm. 1-1.
Rubber asphalt 2 of 0+gm was laminated, and paper 4 was laminated on the polyolefin film 3 on the other side of the iron plate 1. By doing this, the polyolefin film 3 is laminated on both sides of the iron plate 1, the rubber asphalt 2 is adhered to one of the laminated surfaces, and the paper 4 is laminated to the other side, as described above. Compared to other cases, it can be used as an interior material like wallpaper.
［発明の効果］
上述のように本発明は電磁波遮蔽シートを、厚さ１００
μ以下の鉄板の片面に厚さ０．１〜１．０ｍｍのゴムア
スファルトを積層して形成したので、厚さ１００μ以下
の鉄板に厚さ０．１〜１．０ｍｍのゴムアスファルトが
密着するようになって、電磁波シールド性が向上し、自
己密着性に優れたものとなり、電磁波シールド性に優れ
、かつ良好な自己密着性を可能とした電磁波遮蔽シート
を得ることができる。[Effect of the invention] As described above, the present invention provides an electromagnetic wave shielding sheet with a thickness of 100 mm.
It is formed by laminating rubber asphalt with a thickness of 0.1 to 1.0 mm on one side of a steel plate with a thickness of less than μ, so that the rubber asphalt with a thickness of 0.1 to 1.0 mm adheres to the iron plate with a thickness of less than 100 μ. As a result, an electromagnetic shielding sheet with improved electromagnetic shielding properties and excellent self-adhesion can be obtained, which has excellent electromagnetic shielding properties and good self-adhesion.
第１図から第４図は本発明の電磁波遮蔽シートの夫々異
なる実施例を示す縦断側面図である。
１：鉄板、
：ゴムアスファルト、
３ ：
ポリオレフィンフィルム、
４ ：
紙。
見
図
第
％ ：鉄板
２ ： フムアス７？Ｌト
４ ；
駅1 to 4 are longitudinal sectional side views showing different embodiments of the electromagnetic wave shielding sheet of the present invention. 1: Steel plate, : Rubber asphalt, 3: Polyolefin film, 4: Paper. Viewing number %: Iron plate 2: Humuasu 7? Lt4; station
Claims (4)
シートが厚さ１００μ以下の鉄板の片面に厚さ０．１〜
１．０ｍｍのゴムアスファルトが積層されたものである
ことを特徴とする電磁波遮蔽シート。1. In an electromagnetic wave shielding sheet that shields electromagnetic waves, the sheet has a thickness of 0.1 to 100 μm on one side of an iron plate having a thickness of 100 μm or less.
An electromagnetic wave shielding sheet characterized by being laminated with 1.0 mm rubber asphalt.
スファルトが積層された厚さ１００μ以下の鉄板の片面
と反対側の片面に前記厚さ０．１〜１．０ｍｍのゴムア
スファルトが積層されたものである特許請求の範囲第１
項記載の電磁波遮蔽シート。2. The sheet is a steel plate having a thickness of 100μ or less on which rubber asphalt with a thickness of 0.1 to 1.0 mm is laminated, and the rubber asphalt with a thickness of 0.1 to 1.0 mm is laminated on one side of the steel plate on the opposite side. Claim 1 which is
Electromagnetic wave shielding sheet as described in section.
にポリオレフィンフィルムが積層され、かつこのポリオ
レフィンフィルムが積層された前記鉄板の片面のポリオ
レフィンフィルム上に前記厚さ０．１〜１．０ｍｍのゴ
ムアスファルトが積層されたものである特許請求の範囲
第１項記載の電磁波遮蔽シート。3. The sheet has a polyolefin film laminated on both sides of the iron plate having a thickness of 100μ or less, and the rubber asphalt having a thickness of 0.1 to 1.0 mm is placed on the polyolefin film on one side of the iron plate on which the polyolefin film is laminated. The electromagnetic wave shielding sheet according to claim 1, which is a laminated sheet.
にポリオレフィンフィルムが積層され、かつこのポリオ
レフィンフィルムが積層された前記鉄板の一方の片面の
ポリオレフィンフィルム上に前記厚さ０．１〜１．０ｍ
ｍのゴムアスファルトが積層され、前記鉄板の他方の片
面のポリオレフィンフィルム上に紙が積層されたもので
ある特許請求の範囲第１項記載の電磁波遮蔽シート。4. The sheet has a polyolefin film laminated on both sides of the iron plate having a thickness of 100μ or less, and a polyolefin film having a thickness of 0.1 to 1.0 m on one side of the iron plate on which the polyolefin film is laminated.
2. The electromagnetic wave shielding sheet according to claim 1, wherein rubber asphalt of m is laminated, and paper is laminated on the polyolefin film on the other side of the iron plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2935389A JPH02208999A (en) | 1989-02-08 | 1989-02-08 | Electromagnetic wave shielding sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2935389A JPH02208999A (en) | 1989-02-08 | 1989-02-08 | Electromagnetic wave shielding sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02208999A true JPH02208999A (en) | 1990-08-20 |
Family
ID=12273846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2935389A Pending JPH02208999A (en) | 1989-02-08 | 1989-02-08 | Electromagnetic wave shielding sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02208999A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0676672A (en) * | 1991-10-05 | 1994-03-18 | Besma Beschichtungsmassen Gmbh | Fixing means |
| JP2013117479A (en) * | 2011-12-05 | 2013-06-13 | Michiko Yamato | Disposal method of soil, sludge or incineration ash contaminated by radioactive substance |
| WO2017195129A1 (en) * | 2016-05-11 | 2017-11-16 | Box Populi | Multilayer anti-electromagnetic wave material, and container insulated against electromagnetic waves using said material |
-
1989
- 1989-02-08 JP JP2935389A patent/JPH02208999A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0676672A (en) * | 1991-10-05 | 1994-03-18 | Besma Beschichtungsmassen Gmbh | Fixing means |
| JP2013117479A (en) * | 2011-12-05 | 2013-06-13 | Michiko Yamato | Disposal method of soil, sludge or incineration ash contaminated by radioactive substance |
| WO2017195129A1 (en) * | 2016-05-11 | 2017-11-16 | Box Populi | Multilayer anti-electromagnetic wave material, and container insulated against electromagnetic waves using said material |
| FR3051140A1 (en) * | 2016-05-11 | 2017-11-17 | Cloarec Au Nom Et Pour Le Compte De La Soc Box Populi S A S (Soc En Formation) Marie-Anne | ELECTROMAGNETIC ANTI-WAVE MULTILAYER MATERIAL, AND CONTAINING ISOLATED WITH ELECTROMAGNETIC WAVES USING THE MATERIAL |
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