JPH04173236A - Anisotropic conductive structural body - Google Patents
Anisotropic conductive structural bodyInfo
- Publication number
- JPH04173236A JPH04173236A JP2301896A JP30189690A JPH04173236A JP H04173236 A JPH04173236 A JP H04173236A JP 2301896 A JP2301896 A JP 2301896A JP 30189690 A JP30189690 A JP 30189690A JP H04173236 A JPH04173236 A JP H04173236A
- Authority
- JP
- Japan
- Prior art keywords
- short fibers
- rubber
- anisotropy
- structure body
- fibers
- 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
- 239000000835 fiber Substances 0.000 claims abstract description 55
- 229920001971 elastomer Polymers 0.000 claims abstract description 25
- 239000005060 rubber Substances 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 239000011159 matrix material Substances 0.000 abstract 2
- 239000006185 dispersion Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Moulding By Coating Moulds (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、導電異方性構造体に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a conductive anisotropic structure.
（従来の技術）
従来より、直交する３方向のうち、導電率がある一定の
方向には高く、他の方向には低く設定された構造体とし
て、例えば導電率の高い材料で所定の形状に形成された
構造体本体を中心に据え、該構造体本体の低い導電率が
要求される箇所を不導体で被覆するようにしたものが一
般に知られている。(Prior art) Conventionally, out of three orthogonal directions, a structure with high conductivity in a certain direction and low in other directions has been constructed using, for example, a material with high conductivity in a predetermined shape. It is generally known to place the formed structure body at the center and cover the portions of the structure body where low conductivity is required with a nonconductor.
（発明が解決しようとする課題）
ところが、上記の従来のものでは、２つの部材を組み合
わせることにより、導電に異方性を持たせていることか
ら、どうしても組付は工程が必要となって製作に手間が
かかるという問題があった。(Problem to be Solved by the Invention) However, in the above-mentioned conventional product, since the two members are combined to give anisotropy to the conductivity, a process is required for assembly, making it difficult to manufacture. There was a problem that it took a lot of time.
本発明はかかる点に鑑みてなされたものであり、その目
的とするところは、製作段階で構造体を構成する母材中
に高導電性材料を一定方向に配向するよう混入すること
により、導電率がある一定の方向には高く、他の方向に
は低く設定されたいわゆる導電異方性構造体を組付は工
程を経ることなく１工程で簡単かつ迅速に得んとするこ
とにある。The present invention has been made in view of the above points, and its purpose is to create a conductive material by mixing a highly conductive material oriented in a certain direction into the base material constituting the structure at the manufacturing stage. The object of the present invention is to easily and quickly assemble a so-called conductive anisotropic structure in which the ratio is set to be high in a certain direction and low in other directions in one step without going through any steps.
さらには、構造体に可撓性を持たせて用途の拡大化を図
らんとすることにある。Furthermore, the purpose is to provide flexibility to the structure to expand its uses.
（課題を解決するための手段）
上記の目的を達成するため、請求項（１）に係る本発明
の解決手段は、ゴム製の構造体本体に、導電率の高い短
繊維を導電に異方性を有するように埋設して構成したこ
とである。(Means for Solving the Problems) In order to achieve the above object, the solving means of the present invention according to claim (1) provides anisotropically conductive short fibers with high conductivity in a rubber structure main body. It is constructed by embedding it in such a way that it has a unique character.
また、請求項（２）に係る本発明の解決手段は、」１記
の場合において、短繊維の繊維長を１０ｍｍ以下に設定
したことである。Moreover, the solution of the present invention according to claim (2) is that in the case of item 1, the fiber length of the short fibers is set to 10 mm or less.
さらに、請求項（３）に係る本発明の解決手段は、短繊
維を、構造体本体に対し２〜３０容量％の割合で混入し
たことである。Furthermore, the solution of the present invention according to claim (3) is that short fibers are mixed in the structure body at a ratio of 2 to 30% by volume.
（作用）
上記の構成により、請求項（１）に係る本発明では、ゴ
ム製の構造体本体に、導電率の高い短繊維か導電に異方
性を有するように埋設されて構成されていることから、
短繊維の配向方向では導電率か高くなり、逆に非配向方
向では導電率か低くなる。(Function) With the above configuration, the present invention according to claim (1) is configured such that short fibers with high conductivity are embedded in the rubber structure body so as to have anisotropy in conductivity. Therefore,
The electrical conductivity increases in the direction of orientation of the short fibers, while the electrical conductivity decreases in the non-oriented direction.
しかも、この導電異方性構造体は、短繊維を製作段１茗
で母料であるゴム中に混入するだけてよいことから、煩
わしい組付は工程を経る必要かなくされて１工程で簡単
かつ迅速に得られることとなる。Furthermore, this electrically conductive anisotropic structure can be manufactured by simply mixing the short fibers into the base material rubber in one manufacturing step, eliminating the need for a complicated assembly process and making it simple in one step. And it can be obtained quickly.
さらには、構造体本体がゴム製であるので、可撓性が要
求されるような場合に好適であり、用途の拡大化が図ら
れることとなる。Furthermore, since the main body of the structure is made of rubber, it is suitable for cases where flexibility is required, and the range of uses will be expanded.
また、請求項（２）に係る本発明では、短繊維の繊維長
が１０ｍｍ以下に設定されていることがら、短繊維を構
造体本体を構成する母材（ゴム）中に混練する際の分散
性、配向性および加工性等が確保されることとなる。Further, in the present invention according to claim (2), since the fiber length of the short fibers is set to 10 mm or less, the short fibers are dispersed when kneaded into the base material (rubber) constituting the structure body. properties, orientation, processability, etc. are ensured.
さらに、請求項（３）に係る本発明では、短繊維が、構
造体本体に対し２〜３０容量％の割合で混入されている
ことから、導電の異方性および加工性等が確保されるこ
ととなる。Furthermore, in the present invention according to claim (3), since the short fibers are mixed at a ratio of 2 to 30% by volume with respect to the main body of the structure, conductive anisotropy and processability are ensured. It happens.
（実施例） 以下、本発明の実施例を図面に基づいて説明する。(Example) Embodiments of the present invention will be described below based on the drawings.
第１図および第２図は本発明の実施例に係る導電異方性
構造体どしての立方体形状のテストピース１を示す。該
テストピース９は、ゴム製の構造体本体２に、導電率の
高い短繊維３，３．・が導電に異方性を有するように埋
設されて構成され、かつ上記短繊維３は、繊維長が１０
ｍｍ以下に設定され、さらに、この短繊維３は、構造体
本体２に対し２〜３０容量％の割合で混入されている。FIGS. 1 and 2 show a cubic-shaped test piece 1 as a conductive anisotropic structure according to an embodiment of the present invention. The test piece 9 consists of a structure body 2 made of rubber and short fibers 3, 3 . * is embedded so as to have anisotropy in conductivity, and the short fibers 3 have a fiber length of 10
mm or less, and the short fibers 3 are mixed at a ratio of 2 to 30% by volume with respect to the structure main body 2.
上記構造体本体２としては、比較的導電率が低いゴム製
のものであれば特に限定されないが、例えば天然ゴムや
、ＳＢＲ，ＮＢＲ，ＣＲ，ＥＰＭ。The structure main body 2 is not particularly limited as long as it is made of rubber with relatively low conductivity, and examples thereof include natural rubber, SBR, NBR, CR, and EPM.
ＥＰＤＭ、ＩＲ，ＩＩＲ，水素化ＮＢＲ，ＢＲ。EPDM, IR, IIR, hydrogenated NBR, BR.
フッ素ゴム、アクリルゴム、シリコンゴムおよびウレタ
ンゴム等の合成ゴムか用いられる。Synthetic rubbers such as fluororubber, acrylic rubber, silicone rubber and urethane rubber are used.
また、」１記導電率の高い短繊維３としては、例えば金
属繊維、カーボン繊維及び導電性物質を表面に被覆した
金属被覆繊維、カーボン被覆繊維及び導電性物質を内部
に混入したカーボン複合繊維等か用いられる。In addition, examples of short fibers 3 having high electrical conductivity as described in 1. include metal fibers, metal-coated fibers whose surfaces are coated with carbon fibers and conductive substances, carbon composite fibers whose interior is coated with carbon-coated fibers and conductive substances, etc. or used.
さらに、上記短繊維３の繊維長を１１０１ｎ以下に設定
しているのは、コ−０ｍｍを超えると母材（ゴム）中に
混練する際、分散性、配向性および加工性等か低下する
からである。Furthermore, the fiber length of the short fibers 3 is set to 1101n or less because if it exceeds 0 mm, dispersibility, orientation, processability, etc. will decrease when kneading into the base material (rubber). It is.
また、上記短繊維３を、構造体本体２に対し２〜３０容
量％の割合で混入しているのは、２容量％未満では導電
の異方性を得ることができなくなる一方、３０容量％を
超えると加工性が低下するからである。Furthermore, the short fibers 3 are mixed at a ratio of 2 to 30% by volume relative to the structure main body 2, because if the content is less than 2% by volume, conductive anisotropy cannot be obtained. This is because if it exceeds this, workability will decrease.
次に、上述の如く構成された導電異方性構造体として本
実施例１および本実施例１１に係るテストピース１を２
種類用意し、短繊維３を混入していない比較例のものと
比較した導電率のテストデータを表コ−に示す。なお、
三者共、母材として下記に示す如き配合組成のゴム組成
物を使用し、かつ各テストピース１は一辺の長さが５０
ｍｍに設定された立方体である。そして、本実施例■で
は、上記の組成物に対し繊維長か３ ｍｍ、直径か２０
μｍのカーボン繊維（短繊維３）を構造体本体２に対し
］５容量％の割合で混入し、かつＸ軸方向に配向させた
ものである（第１図参照）。また、本実施例Ｉ＋では、
短繊維３をｘ −ｙ ＊ｄ＋て囲む平面内ではランダム
に、他の二面では各々一方向に配向させているほかは上
記本実施例■と同じである。さらに、比較例は、短繊維
３を混入せずにゴム組成物のみで成形したものである。Next, test pieces 1 according to Example 1 and Example 11 were used as conductive anisotropic structures constructed as described above.
Table 1 shows the conductivity test data for different types of samples prepared and compared with those of comparative examples in which short fibers 3 were not mixed. In addition,
All three used rubber compositions with the following composition as the base material, and each test piece 1 had a side length of 50 mm.
It is a cube set in mm. In Example 2, the fiber length was 3 mm and the diameter was 20 mm for the above composition.
Carbon fibers (short fibers 3) of .mu.m are mixed at a ratio of 5% by volume relative to the structure main body 2, and are oriented in the X-axis direction (see FIG. 1). In addition, in this embodiment I+,
The short fibers 3 are oriented randomly within a plane surrounding x-y*d+, and the other two planes are oriented in one direction. Furthermore, the comparative example was molded only from the rubber composition without mixing the short fibers 3.
くゴム組成物の配合〉
天然ゴム ８０重量部ブタジェンゴム
２０重量部カーボン（Ｎ５５０）
２５重量部亜鉛華 ３重量部ステ
アリン酸 １重量部軟化剤
５重量部老化防止剤 ２重
量部加硫促進剤（ＣＢＳ） ２重量部加硫促進
剤（ＴＭＴＤ） ０．５重量部硫黄
１．５重量部表１
その結果は、表１のテストデータから明らかなように、
本実施例Ｉては、短繊維３の配向方向（Ｘ軸方向）の導
電率が１． １− Ｘ １０−３３／ｍと他の２つの非
配向方向（Ｘ軸方向、Ｚ軸方向）よりも高くなり、本実
施例１１ては、非配向方向（Ｚ軸方向）の導電率が４．
６Ｘ１０ ”Ｓ／ｍ他の２つの配向方向（Ｘ軸方向、Ｘ
軸方向）よりも低くなっていた。Blend of rubber composition> Natural rubber 80 parts by weight Butadiene rubber 20 parts by weight Carbon (N550)
25 parts by weight Zinc white 3 parts by weight Stearic acid 1 part by weight Softener
5 parts by weight anti-aging agent 2 parts by weight vulcanization accelerator (CBS) 2 parts by weight vulcanization accelerator (TMTD) 0.5 parts by weight sulfur
1.5 parts by weight Table 1 The results are as clear from the test data in Table 1.
In this Example I, the electrical conductivity in the orientation direction (X-axis direction) of the short fibers 3 is 1. 1-X 10-33/m, which is higher than the other two non-oriented directions (X-axis direction and Z-axis direction), and in this Example 11, the conductivity in the non-oriented direction (Z-axis direction) is ．．
6X10”S/m Other two orientation directions (X-axis direction,
(in the axial direction).
このように、本実施例では、導電率の高い短繊維３をゴ
ム製の構造体本体２中に一定の方向に配向させたことか
ら、短繊維３の配向方向において導電率を高くすること
かでき、逆に非配向方向において導電率を低くすること
ができる。しかも、この導電異方性構造体は、短繊維３
を製作段階で母材であるゴム中に混入するたけてよいこ
とから、煩わしい組付は工程を経ずに済み］工程で簡単
かつ迅速に得ることができる。さらには、構造体本体２
がゴム製であるので、可撓性が要求されるような場合に
好適であり、用途の拡大化を図ることができる。In this example, since the short fibers 3 with high conductivity are oriented in a certain direction in the rubber structure main body 2, it is possible to increase the conductivity in the orientation direction of the short fibers 3. On the contrary, the conductivity can be lowered in the non-oriented direction. Moreover, this electrically conductive anisotropic structure has three short fibers.
can be easily and quickly mixed into the base material rubber during the production stage, eliminating the need for troublesome assembly processes. Furthermore, the structure body 2
Since it is made of rubber, it is suitable for cases where flexibility is required, and the range of uses can be expanded.
また、上記実施例では、短繊維３の繊維長を１０、ｍｍ
以下に設定していることから、短繊維３を構造体本体２
を構成する母材（ゴム）中に混練する際の分散性、配向
性および加工性等を確保することができる。Further, in the above example, the fiber length of the short fibers 3 is 10 mm.
Since the settings are as follows, the short fiber 3 is transferred to the structure main body 2.
It is possible to ensure good dispersibility, orientation, processability, etc. when kneading into the base material (rubber) constituting the rubber.
さらに、上記実施例では、短繊維３を、構造体本体２に
対し２〜３０容量％の割合で混入していることから、導
電の異方性および加工性等を確保することができる。Further, in the above embodiment, since the short fibers 3 are mixed at a ratio of 2 to 30% by volume relative to the structure main body 2, it is possible to ensure conductive anisotropy, workability, etc.
そして、このようにして得られた導電異方性構造体を、
例えば導電マット、導電床材、導電ロールおよび感圧ゴ
ム等に適用すれば、電気を速やかに伝えることができて
好適である。Then, the conductive anisotropic structure obtained in this way is
For example, if it is applied to conductive mats, conductive flooring materials, conductive rolls, pressure sensitive rubber, etc., it is suitable because electricity can be transmitted quickly.
（発明の効果）
以上説明したように、請求項（１）に係る本発明によれ
ば、ゴム製の構造体本体に、導電率の高い短繊維を導電
に異方性を有するように埋設したので、導電率を短繊維
の配向方向で高く、非配向方向で低くすることができる
。しかも、短繊維を製作段階でゴム中に混入するだけで
１工程で簡単かつ迅速に導電異方性構造体を得ることが
できる。さらには、構造体本体がゴム製で可撓性を有す
るので、用途の拡大化を図ることができる。(Effects of the Invention) As explained above, according to the present invention according to claim (1), short fibers with high conductivity are embedded in the rubber structure body so as to have anisotropy in conductivity. Therefore, the electrical conductivity can be made high in the orientation direction of the short fibers and lower in the non-orientation direction. Moreover, a conductive anisotropic structure can be easily and quickly obtained in one step by simply mixing short fibers into rubber at the production stage. Furthermore, since the structure main body is made of rubber and has flexibility, it is possible to expand the range of uses.
また、請求項（２）に係る本発明によれば、短繊維の繊
維長を１０ｍｍ以下に設定したので、混練時の分散性、
配向性および加工性等を確保することかできる。Further, according to the present invention according to claim (2), since the fiber length of the short fibers is set to 10 mm or less, the dispersibility during kneading,
Orientation, workability, etc. can be ensured.
さらに、請求項（３）に係る本発明によれば、短繊維を
、構造体本体に対し２〜３０容量％の割合で混入したの
で、導電の異方性および加工性等を確保することができ
る。Furthermore, according to the present invention according to claim (3), since the short fibers are mixed at a ratio of 2 to 30% by volume relative to the main body of the structure, it is possible to ensure conductive anisotropy and processability. can.
図面は本発明の実施例を示し、第１図は本実施例■に係
るテストピースの斜視図、第２図は本実施例ＩＩに係る
テストピースの斜視図である。
１・・・テストピース（導電異方性構造体）２・・・構
造体本体
３・・・短繊維
特 許 出 願 人 バンド−化学株式会社代
理 人 前 １） 弘（他］名）１・・・
テストピース（導電
２・・・構造体本体
３・・・短繊維
Ｔ方性や遺体） 第 １ 図
第２図The drawings show embodiments of the present invention; FIG. 1 is a perspective view of a test piece according to Example 2, and FIG. 2 is a perspective view of a test piece according to Example II. 1...Test piece (conductive anisotropic structure) 2...Structure body 3...Short fiber patent applicant Band-Kagaku Co., Ltd.
Rinto 1) Hiroshi (other name) 1...
Test piece (Conductivity 2...Structure body 3...Short fiber T orientation and remains) Fig. 1 Fig. 2
Claims (3)
電に異方性を有するように埋設されて構成されているこ
とを特徴とする導電異方性構造体。(1) A conductive anisotropic structure characterized in that short fibers with high conductivity are embedded in a structure body made of rubber so as to have anisotropy in conductivity.
ることを特徴とする請求項（１）記載の導電異方性構造
体。(2) The electrically conductive anisotropic structure according to claim (1), wherein the short fibers have a fiber length of 10 mm or less.
合で混入されていることを特徴とする請求項（１）記載
の導電異方性構造体。(3) The electrically conductive anisotropic structure according to claim (1), wherein the short fibers are mixed at a ratio of 2 to 30% by volume relative to the main body of the structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2301896A JPH04173236A (en) | 1990-11-06 | 1990-11-06 | Anisotropic conductive structural body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2301896A JPH04173236A (en) | 1990-11-06 | 1990-11-06 | Anisotropic conductive structural body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04173236A true JPH04173236A (en) | 1992-06-19 |
Family
ID=17902433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2301896A Pending JPH04173236A (en) | 1990-11-06 | 1990-11-06 | Anisotropic conductive structural body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04173236A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6116271A (en) * | 1998-05-08 | 2000-09-12 | Firma Andreas Stihl Ag & Co. | Venting valve for a fuel tank |
| WO2018121976A1 (en) | 2016-12-28 | 2018-07-05 | Arlanxeo Deutschland Gmbh | Rubber mixtures |
-
1990
- 1990-11-06 JP JP2301896A patent/JPH04173236A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6116271A (en) * | 1998-05-08 | 2000-09-12 | Firma Andreas Stihl Ag & Co. | Venting valve for a fuel tank |
| WO2018121976A1 (en) | 2016-12-28 | 2018-07-05 | Arlanxeo Deutschland Gmbh | Rubber mixtures |
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