JPH0422008A - Electrical wire - Google Patents
Electrical wireInfo
- Publication number
- JPH0422008A JPH0422008A JP2124598A JP12459890A JPH0422008A JP H0422008 A JPH0422008 A JP H0422008A JP 2124598 A JP2124598 A JP 2124598A JP 12459890 A JP12459890 A JP 12459890A JP H0422008 A JPH0422008 A JP H0422008A
- Authority
- JP
- Japan
- Prior art keywords
- organic material
- electric wire
- conductor
- layer
- self
- 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
- 239000011368 organic material Substances 0.000 claims abstract description 43
- 239000000919 ceramic Substances 0.000 claims abstract description 24
- 239000004020 conductor Substances 0.000 claims abstract description 14
- 229920001721 polyimide Polymers 0.000 claims abstract description 8
- 239000004962 Polyamide-imide Substances 0.000 claims abstract description 5
- 239000004642 Polyimide Substances 0.000 claims abstract description 5
- 229920002312 polyamide-imide Polymers 0.000 claims abstract description 5
- -1 for instance Substances 0.000 claims abstract description 4
- 239000010445 mica Substances 0.000 claims abstract description 4
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 4
- 229920003055 poly(ester-imide) Polymers 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 28
- 239000011247 coating layer Substances 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920002050 silicone resin Polymers 0.000 claims description 3
- 150000004703 alkoxides Chemical class 0.000 claims description 2
- 239000012700 ceramic precursor Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 14
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 229910052681 coesite Inorganic materials 0.000 abstract description 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 2
- 229910052682 stishovite Inorganic materials 0.000 abstract description 2
- 229910052905 tridymite Inorganic materials 0.000 abstract description 2
- 229910052581 Si3N4 Inorganic materials 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910003465 moissanite Inorganic materials 0.000 abstract 1
- 229910010271 silicon carbide Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 15
- 238000000576 coating method Methods 0.000 description 15
- 238000005299 abrasion Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 10
- 230000015556 catabolic process Effects 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910005091 Si3N Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、電線に関するものであり、特に導体のまわ
りに絶縁被覆層を設けた電線に関するものであり、自動
車用やビル配線用などの耐熱性難燃性電線として用いる
ことのできる電線に関するものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to electric wires, and in particular to electric wires with an insulating coating layer provided around the conductor, and which is suitable for use in heat-resistant automobiles, building wiring, etc. The present invention relates to an electric wire that can be used as a flame-retardant electric wire.
［従来の技術］
従来より、自動車やビルの配線等に使用されている電線
は、ＰｖＣ等の有機材料を被覆した電線が多い。一部に
は、照射架橋した耐熱有機材料苓被覆した電線が用いら
れているが、このような電線であっても、耐熱性は高々
２５０℃であり、イ十分なものであった。[Prior Art] Conventionally, many electric wires used for wiring in automobiles and buildings are coated with organic materials such as PvC. In some cases, electric wires coated with a heat-resistant organic material cross-linked by radiation are used, but even such electric wires have a heat resistance of at most 250° C., which is sufficient.
一方、セラミックス被覆した電線としてセラミックス粒
子を有機材料と混合して被覆した電線や被覆後さらに有
機材料を熱分解により除去した１線なども知られている
。しかしながら、前者のセラミックス被覆電線は、有機
材料を含むため、加熱により煙やガス等を多量に発生し
やすいという問題かあった。また後者のセラミックス被
覆電線は、可撓性に乏しく、また表面平滑性にも劣るこ
とから配線に用いることが困難であるという問題があっ
た。On the other hand, as ceramic-coated electric wires, electric wires coated with a mixture of ceramic particles and an organic material, and single wires coated with the organic material removed by thermal decomposition are also known. However, since the former ceramic-coated electric wire contains an organic material, there is a problem in that it tends to generate a large amount of smoke, gas, etc. when heated. Moreover, the latter ceramic-coated electric wire has a problem in that it is difficult to use for wiring because it has poor flexibility and poor surface smoothness.
［発明が解決しようとする課題］
したがって、従来より自動車内の高温部の配線等に用い
ることのできる電線として、耐熱性を有し、かつ軽量で
、配線作業性に優れた電線が要望されている。[Problems to be Solved by the Invention] Therefore, there has been a demand for an electric wire that is heat resistant, lightweight, and has excellent wiring workability as an electric wire that can be used for wiring in high-temperature parts in automobiles. There is.
それゆえに、この発明の目的は、自動車内の高温部の配
線などに用いることのできる耐熱性を有し、しかも軽量
でかつ配線作業性に優れた電線を提供することにある。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide an electric wire that has heat resistance, can be used for wiring in high-temperature parts of automobiles, is lightweight, and has excellent wiring workability.
［課題を解決するための手段］
この発明の電線は、導体と、導体の外周に設けられるセ
ラミックスを主体とする絶縁被覆層と、絶縁被覆層の外
周に設けられる自己消火性有機材料からなる有機材料層
とを備えている。[Means for Solving the Problems] The electric wire of the present invention comprises a conductor, an insulating coating layer mainly made of ceramic provided around the outer periphery of the conductor, and an organic wire made of a self-extinguishing organic material provided around the outer periphery of the insulating coating layer. and a material layer.
この発明における絶縁被覆層は、セラミックスを主体と
した層であり、たとえば金属アルコキシドまたは金属有
機酸塩を主原料としたセラミックス前駆体溶液を導体に
塗布し、これを加熱しセラミックス化することによって
形成することができる。また、セラミックス粒子とシリ
−コン樹脂を混合してこれを導体に塗布し、これを加熱
してセラミックス化して形成されることもできる。The insulating coating layer in this invention is a layer mainly made of ceramics, and is formed by, for example, applying a ceramic precursor solution containing a metal alkoxide or a metal organic acid salt as a main raw material to a conductor, and heating it to turn it into a ceramic. can do. Alternatively, it can be formed by mixing ceramic particles and silicone resin, applying the mixture to a conductor, and heating the mixture to form a ceramic.
セラミックスとしては、特に限定されないが、吸水性か
少なく、かつ高温における絶縁性を有すルトイウ面カら
は、Ｓ ｉ０２、Ａｌ１０３ 、Ｓ ｉＣ，Ｓｉ３ Ｎ
４、ＺｒＯ２およびマイカを用いることかできる。Ceramics are not particularly limited, but ceramics that have low water absorption and insulation properties at high temperatures include Si02, Al103, SiC, and Si3N.
4, ZrO2 and mica can be used.
この発明において、自己消火性有機材料とは、「プラス
チックの燃焼性」株式会社工業調査会編喜多信之著の１
０２頁に記載されているように、ＵＬ規格９４に従う垂
直燃焼試験において、炎を１０秒間当てた後、取去り、
有炎もしくは無炎の燃焼が３０秒以内になくなるような
有機材料をいり０
このような有機材料として、たとえばポリイミド、ポリ
アミドイミド、もしくはポリエステルイミドまたはフッ
素樹脂などが挙げられる。In this invention, the self-extinguishing organic material refers to "Flammability of Plastics", 1.
As described on page 02, in a vertical combustion test according to UL Standard 94, flame was applied for 10 seconds and then removed.
An organic material that ceases flaming or flameless combustion within 30 seconds is used. Examples of such organic materials include polyimide, polyamideimide, polyesterimide, and fluororesin.
この発明において、このような有機材料層の厚みは１０
μｍ以下が好ましい。これは厚さが１０μｍを超えると
、有機材料層のガス吸収が多くなり、かつ吸収したガス
が抜けにくくなることがあるからである。有機材料層の
厚みは、さらに好ましくは５μｍ以下である。In this invention, the thickness of such an organic material layer is 10
It is preferably less than μm. This is because if the thickness exceeds 10 μm, the organic material layer absorbs a lot of gas, and it may become difficult for the absorbed gas to escape. The thickness of the organic material layer is more preferably 5 μm or less.
また、有機材料層を絶縁被膜層の外側に設けているのは
、有機材料層を内側に設けると製造しにくく、かつ有機
材料層から発生したガスが抜けにくくなるからである。Further, the reason why the organic material layer is provided outside the insulating coating layer is that if the organic material layer is provided inside, it will be difficult to manufacture and gas generated from the organic material layer will be difficult to escape.
第１図は、この発明に従う一実施例を示す断面図である
。第１図を参照して、導体１のまわりには絶縁被覆層２
が設けられ、絶縁被覆層２のまわりに有機材料層３が設
けられている。FIG. 1 is a sectional view showing an embodiment according to the present invention. Referring to FIG. 1, an insulating coating layer 2 is provided around the conductor 1.
is provided, and an organic material layer 3 is provided around the insulating coating layer 2.
［作用］
この発明において、絶縁被覆層は、セラミックスを主体
として形成されているので、優れた耐熱性を有しており
、もし絶縁被覆層のまわりの有機材料層か熱分解する温
度になっても、なおかつ絶縁性を維持する役割を果す。[Function] In the present invention, since the insulating coating layer is mainly formed of ceramics, it has excellent heat resistance. It also plays the role of maintaining insulation.
また、この発明において有機材料層は、電線の表面の滑
り性を向上させるとともに、可撓性および耐こすれ性を
向上させる。このため、配線作業中の配線作業性を向上
させることかできる。また、有機材料ではあるが、自己
消火性であるため、炎を挙げて燃えることがないので安
全である。またこの有機材料層が万が一消失しても、そ
の下にはセラミックスを主体とした絶縁被覆層が存在し
ており、絶縁性が維持される。Furthermore, in the present invention, the organic material layer improves the slipperiness of the surface of the electric wire, as well as the flexibility and abrasion resistance. Therefore, it is possible to improve the wiring workability during wiring work. Furthermore, although it is an organic material, it is self-extinguishing, so it is safe because it does not catch fire and burn. Furthermore, even if this organic material layer were to disappear, an insulating coating layer mainly made of ceramics exists underneath, and the insulation properties would be maintained.
この発明の電線では、絶縁被覆層とそのまわりの有機材
料層により絶縁性を付与しており、薄い厚みで被覆し高
い絶縁性を得ることができるので、軽量化およびコンパ
クト化を図ることができる。In the electric wire of this invention, insulation is provided by the insulation coating layer and the organic material layer around it, and high insulation can be obtained by coating with a thin thickness, so it can be made lighter and more compact. .
［実施例］
実施例１
■ 絶縁被覆層の形成
テトラエチルオルトシリケートを３モル％、水を３５モ
ル％、エタノールを６２モル％混合し、この溶液に１．
２Ｎの濃硝酸をテトラエチルオルトシリケートに対し１
００分の３モル添加し、７０℃で２時間加熱撹拌するこ
とによりコーテイング液を調製した。[Examples] Example 1 ■ Formation of insulating coating layer 3 mol% of tetraethylorthosilicate, 35 mol% of water, and 62 mol% of ethanol were mixed, and 1.
2N concentrated nitric acid to tetraethyl orthosilicate
A coating liquid was prepared by adding 3/00 mole of the solution and heating and stirring at 70° C. for 2 hours.
直径１．Ｑｍｍのニッケルメッキ銅線をコーテイング液
中に浸漬し、引上げて４００℃で１０分間加熱した。こ
の浸漬および加熱の行程を数回繰返した後、最後に５０
０℃酸素気流中で１０分間加熱を行ない、厚さ７μｍの
絶縁被膜層を形成した。Diameter 1. A Qmm nickel-plated copper wire was immersed in the coating solution, pulled out, and heated at 400° C. for 10 minutes. After repeating this soaking and heating process several times, the final
Heating was performed for 10 minutes in an oxygen stream at 0° C. to form an insulating coating layer with a thickness of 7 μm.
この電線を評価したところ、絶縁破壊電圧は０゜４ｋＶ
であった。また直径５ｃｍの円筒にこの電線を巻きつけ
ても被膜には何ら亀裂を発生しなかったが、それ以下の
直径の円筒に巻きつけた場合には被膜に亀裂か発生した
。また一方向式摩耗試験では２５４ｇであり、往復式（
Ｗ＝０． １ ｋ ｇ）摩耗試験では２回であった。When this electric wire was evaluated, the dielectric breakdown voltage was 0°4kV.
Met. Further, even when this electric wire was wound around a cylinder with a diameter of 5 cm, no cracks occurred in the coating, but when it was wound around a cylinder with a smaller diameter, cracks occurred in the coating. In addition, in the one-way type abrasion test, it was 254g, and the reciprocating type (
W=0. 1 kg) Abrasion test was performed twice.
■ 有機材料層の形成
デュポン社製ポリイミド樹脂スｒＰｙｒｅ ＭＬ」１
６重量％のものを、Ｎ−メチル２−ピロイドンで希釈し
５重量％にした。この溶液を上記のようにして絶縁被覆
層を形成させた電線上に塗布した。４０℃で３．５ｍ／
分で焼成することにより、厚さ３μｍのポリイミド被膜
を形成させた。■ Formation of organic material layer Polyimide resin "rPyre ML" manufactured by DuPont Co., Ltd.
6% by weight was diluted with N-methyl 2-pyroidone to 5% by weight. This solution was applied onto the electric wire on which the insulating coating layer had been formed as described above. 3.5m/at 40℃
A polyimide film with a thickness of 3 μm was formed by firing for 30 minutes.
この電線を評価したところ、絶縁破壊電圧は１゜６ｋＶ
であった。また可撓性については、直径１ｃｍの円筒に
この絶縁被覆電線を巻きつけても被膜に何ら亀裂を発生
しなかった。また一方向式摩耗試験では５０２ｇであり
、往復式（ｗ＝０． ６ｋｇ）摩耗試験では１２回であ
り、耐摩耗性についても良好な結果を示した。When this electric wire was evaluated, the dielectric breakdown voltage was 1°6kV.
Met. Regarding flexibility, even when this insulated wire was wound around a cylinder with a diameter of 1 cm, no cracks occurred in the coating. In addition, the wear resistance was 502 g in the one-way type abrasion test, and 12 times in the reciprocating type (w = 0.6 kg) abrasion test, showing good results in terms of abrasion resistance.
また、このようにして得られた電線についてＵＬ９４規
格の垂直燃焼試験を行なったところ、燃焼時間は１０秒
未満であり、かつ滴下物はなかった。この燃焼試験後の
絶縁破壊電圧は、０．４に■であり、絶縁被覆層による
絶縁性と同程度の絶縁性を有していた。また、ｌＸｌ０
−５ ｔｏｒｒ以下の真空中で、この電線を２００℃に
加熱し、加熱前後での重量減少によりガス放出量を求め
たところ、従来のポリイミド樹脂を厚さ１６μｍで被覆
した電線に比べ、約１１５のガス放出量であった。Further, when the electric wire thus obtained was subjected to a vertical combustion test according to the UL94 standard, the combustion time was less than 10 seconds, and there was no dripping. The dielectric breakdown voltage after this combustion test was 0.4 to ■, and the insulation was comparable to that of the insulation coating layer. Also, lXl0
When this electric wire was heated to 200℃ in a vacuum of -5 torr or less and the amount of gas released was determined by the weight loss before and after heating, it was found that the amount of gas released was approximately 115% compared to a conventional electric wire coated with polyimide resin with a thickness of 16 μm. The amount of gas released was .
実施例２
■ 絶縁被覆層の形成
２−エチル−ヘキサノイックジルコネート［Ｚｒ ［Ｏ
Ｃ（０） ＣＨ（Ｃ２Ｈｓ ） Ｃｓ Ｈ＋＋］ ４
］Ｃ６と、２−エチル−ヘキサノイックアルミネート
［Ａ Ｉ ［ＯＣ（０） ＣＨ（Ｃ２Ｈｓ ）
Ｃ５Ｈ＋＋］３］２ｇをジチブチルエーテル１００
ｍ１に溶解した。Example 2 ■ Formation of insulation coating layer 2-ethyl-hexanoic zirconate [Zr[O
C(0) CH(C2Hs) Cs H++] 4
]C6 and 2-ethyl-hexanoic aluminate
[A I [OC(0) CH(C2Hs)
C5H++]3]2g to dithibutyl ether100
It was dissolved in m1.
このようにして調製したコーティング溶液に、直径１．
Ｑｍｍのニッケルメッキ銅線を浸漬し、引上げて５００
°Ｃで１０分間加熱し、この浸漬および加熱の行程を数
回繰返し、厚さ３μｍの絶縁被覆層を形成した。The coating solution thus prepared was coated with a diameter of 1.
Dip a Qmm nickel-plated copper wire and pull it up to 500
The sample was heated at °C for 10 minutes, and this dipping and heating process was repeated several times to form an insulating coating layer with a thickness of 3 μm.
この電線を評価したところ、絶縁破壊電圧は０゜３ｋＶ
であった。また直径３ｃｍの円筒にこの電線を巻きつけ
ても被膜に何ら亀裂を生じなかったが、それより小さな
直径の円筒に巻きつけた場合には被膜に亀裂か発生した
。また、一方向式摩耗試験では２００ｇであり、往復式
（ｗ＝０．１ｋｇ）摩耗試験では１０回であった。When this electric wire was evaluated, the dielectric breakdown voltage was 0°3kV.
Met. Further, when this electric wire was wound around a cylinder with a diameter of 3 cm, no cracks occurred in the coating, but when it was wound around a cylinder with a smaller diameter, cracks occurred in the coating. Further, in the one-way type abrasion test, it was 200 g, and in the reciprocating type (w = 0.1 kg) abrasion test, it was 10 times.
■ 有機材料層の形成 Ａｍｏｃｏ社製ポリアミドイミドワニスｒＴ。■ Formation of organic material layer Polyamideimide varnish rT manufactured by Amoco.
ｒ １ｏｎ４２０３ＬＪ １０重量％のものを、Ｎ−メ
チル−２−ピロリドンで希釈して、５重量％の塗布液と
した。この塗布液を上述の絶縁被覆層を形成した電線上
に塗布し、３００°Ｃで３．５ｍ／分て焼成することに
より、厚さ３μｍのポリイミド被膜を形成させた。10% by weight of r1on4203LJ was diluted with N-methyl-2-pyrrolidone to obtain a 5% by weight coating solution. This coating liquid was applied onto the electric wire on which the above-mentioned insulating coating layer was formed, and baked at 300° C. at a rate of 3.5 m/min to form a polyimide coating with a thickness of 3 μm.
この電線を評価したところ、絶縁破壊電圧は１゜５ｋＶ
であり、直径１ｃｍの円筒にこの電線を巻きつけても被
膜に何の亀裂も発生しなかった。また、一方向式摩耗試
験では４５０ ｇ、往復式（Ｗ＝０．６ｋｇ）摩耗試験
では１５回であり、耐摩耗性においても良好な結果を示
した。When this electric wire was evaluated, the dielectric breakdown voltage was 1°5kV.
Even when this electric wire was wound around a cylinder with a diameter of 1 cm, no cracks occurred in the coating. In addition, the one-way type abrasion test was 450 g, and the reciprocating type (W = 0.6 kg) abrasion test was 15 times, showing good results in terms of abrasion resistance.
また、この電線についてＵＬ９４規格の垂直燃焼試験を
行なったところ、燃焼時間は１０秒未満であり、かつ滴
下物も認められなかった。燃焼試験後の電線について絶
縁破壊電圧を測定したところ、０．３ｋＶであり、依然
として優れた絶縁性を有していた。Further, when this electric wire was subjected to a vertical combustion test according to the UL94 standard, the combustion time was less than 10 seconds, and no drippings were observed. When the dielectric breakdown voltage of the electric wire after the combustion test was measured, it was 0.3 kV, indicating that it still had excellent insulation properties.
また、ｔｘｌｏ−５ｔｏｒｒ以下の真空中で、電線を２
００℃に加熱し、加熱前後での重量減少によりガス放出
量を求めたところ、従来のポリイミドを１６μｍの厚み
て被覆した電線に比べ、約１／６のガス放出量であった
。In addition, in a vacuum of txlo-5 torr or less, the electric wire is
When the wire was heated to 00° C. and the amount of gas released was determined by the weight loss before and after heating, it was found that the amount of gas released was about 1/6 of that of a conventional electric wire coated with polyimide to a thickness of 16 μm.
実施例３
■ 絶縁保護層の形成
シリコーン樹脂中にマイカ微粒子を混合して塗布液を調
製した。この塗布液を直径１．５ｍｍの銅線上にコーテ
ィングして焼付け、最終的に約６００°Ｃに加熱して、
有機成分がほとんどないようにセラミックス化して、厚
さ約１０μｍの絶縁保護層を形成した。Example 3 (1) Formation of an insulating protective layer A coating solution was prepared by mixing mica fine particles into a silicone resin. This coating liquid was coated on a copper wire with a diameter of 1.5 mm, baked, and finally heated to about 600°C.
Ceramics were formed so that almost no organic components were present, and an insulating protective layer with a thickness of about 10 μm was formed.
■ 有機材料層の形成
このようにして得られた電線の上に、上記の実施例１お
よび２と同様にして、ポリアミドイミド樹脂を２μｍの
厚みに被覆したもの、ポリエステルイミド樹脂を３μｍ
の厚みで被覆したもの、ＰＴＦＥ０４μｍの厚みで被覆
したものを作成した。■ Formation of organic material layer The electric wire thus obtained was coated with polyamideimide resin to a thickness of 2 μm and polyesterimide resin coated to a thickness of 3 μm in the same manner as in Examples 1 and 2 above.
One was coated with PTFE to a thickness of 04 μm, and the other was coated with PTFE to a thickness of 04 μm.
このようにして有機材料層を形成することにより、絶縁
被覆層のままでは、表面の平滑性が劣り、曲げたり擦っ
たりしにくかった電線が、表面の平滑性が改善され、滑
り性もよくなった。このため最終的に得られた電線は、
配線作業性において非常に優れた電線であった。By forming an organic material layer in this way, the surface smoothness of electric wires, which would otherwise be difficult to bend or rub with an insulating coating layer, has improved surface smoothness and smoothness. Ta. Therefore, the final wire is
The wire had excellent wiring workability.
また、絶縁被覆層のままでは絶縁破壊電圧は０゜８ｋＶ
前後でばらつきが大きかったが、この上に有機材料層を
形成することにより、１．０ｋＶ以上の絶縁破壊電圧が
安定して得られた。Also, if the insulation coating layer is left as it is, the dielectric breakdown voltage will be 0°8kV.
Although there was a large variation before and after, by forming an organic material layer thereon, a dielectric breakdown voltage of 1.0 kV or more was stably obtained.
また、真空中でのガス放出性は、従来の有機材料のみの
被覆の電線に比べて、１／３〜１／１０に低減した。ま
た加熱によっても発火は認められなかった。Furthermore, gas release properties in vacuum were reduced to 1/3 to 1/10 compared to conventional electric wires coated only with organic materials. No ignition was observed even when heated.
［発明の効果］
以上説明したように、この発明の電線では、セラミック
スを主体とする絶縁被覆層のまわりに自己消火性有機材
料からなる有機材料層が形成されているため、表面滑り
性、可撓性および耐こすれ性等か改善され、従来よりも
大幅に配線作業性か改善されている。[Effects of the Invention] As explained above, in the electric wire of the present invention, since an organic material layer made of a self-extinguishing organic material is formed around an insulating coating layer mainly made of ceramics, surface slipperiness and flexibility are improved. Flexibility and abrasion resistance have been improved, and wiring workability has been significantly improved compared to conventional products.
また有機材料層は自己消火性であるため、炎を挙げて燃
えることがなく安全であり、また万一この有機材料層か
消失しても、その下にはセラミックスを主体とした絶縁
被覆層か設けられているため、なおかつ十分な絶縁性が
維持される。In addition, the organic material layer is self-extinguishing, so it is safe and will not catch fire, and even if the organic material layer disappears, there is an insulating coating layer mainly made of ceramics underneath. Because of this, sufficient insulation is maintained.
また、絶縁被覆層および有機材料層ともに厚みを薄くし
て十分な絶縁性が得られるため、軽量化およびコンパク
ト化を図ることかできる。Further, since sufficient insulation properties can be obtained by reducing the thickness of both the insulating coating layer and the organic material layer, it is possible to achieve a reduction in weight and size.
以上のように、この発明の電線は、配線作業性に優れて
いるものであるため、たとえば自動車内の高温部に使用
する配線やビル等の耐火安全性の必要な配線等において
有用なものである。As described above, the electric wire of the present invention has excellent wiring workability, so it is useful for wiring used in high-temperature parts of automobiles, wiring for buildings, etc. that requires fire resistance safety, etc. be.
第１図は、この発明の一実施例を示す断面図である。
図において、１は導体、２は絶縁被覆層、３は有機材料
層を示す。
特許出願人 住友電気工業株式会社FIG. 1 is a sectional view showing an embodiment of the present invention. In the figure, 1 is a conductor, 2 is an insulating coating layer, and 3 is an organic material layer. Patent applicant: Sumitomo Electric Industries, Ltd.
Claims (8)
る絶縁被覆層と、 前記絶縁被覆層の外周に設けられる、自己消火性有機材
料からなる有機材料層とを備える、電線。(1) An electric wire comprising: a conductor; an insulating coating layer mainly made of ceramics provided around the outer periphery of the conductor; and an organic material layer made of a self-extinguishing organic material provided around the outer periphery of the insulating coating layer.
求項１に記載の電線。(2) The electric wire according to claim 1, wherein the thickness of the organic material layer is 10 μm or less.
項１に記載の電線。(3) The electric wire according to claim 1, wherein the thickness of the organic material layer is 5 μm or less.
イミド、ポリアミドイミドまたはポリエステルイミドで
ある、請求項２に記載の電線。(4) The electric wire according to claim 2, wherein the self-extinguishing organic material is polyimide, polyamideimide, or polyesterimide with a diameter of 10 μm or less.
素樹脂である、請求項２に記載の電線。(5) The electric wire according to claim 2, wherein the self-extinguishing organic material is a fluororesin having a diameter of 10 μm or less.
の有機酸塩を主原料としたセラミックス前駆体溶液を前
記導体に塗布し、これを加熱しセラミックス化した層で
ある、請求項１に記載の電線。(6) The insulating coating layer is a layer obtained by applying a ceramic precursor solution containing a metal alkoxide or an organic acid salt of a metal as a main raw material to the conductor and heating it to form a ceramic. Electrical wire.
脂を混合し前記導体に塗布し、これを加熱しセラミック
ス化した層である、請求項１に記載の電線。(7) The electric wire according to claim 1, wherein the insulated wire is a layer obtained by mixing ceramic particles and silicone resin, applying the mixture to the conductor, and heating the mixture to form a ceramic layer.
ＳｉＣ、Ｓｉ＿３Ｎ＿４、ＺｒＯ＿２またはマイカであ
る、請求項１に記載の電線。(8) The ceramic may be SiO_2, AlO_3,
The electric wire according to claim 1, which is SiC, Si_3N_4, ZrO_2 or mica.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2124598A JPH0422008A (en) | 1990-05-15 | 1990-05-15 | Electrical wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2124598A JPH0422008A (en) | 1990-05-15 | 1990-05-15 | Electrical wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0422008A true JPH0422008A (en) | 1992-01-27 |
Family
ID=14889414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2124598A Pending JPH0422008A (en) | 1990-05-15 | 1990-05-15 | Electrical wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0422008A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100294518B1 (en) * | 1992-10-28 | 2001-10-22 | 후루까와 준노스께 | Multi-layered insulated wire and its manufacturing method and transformers related thereto |
| CN102682907A (en) * | 2012-05-08 | 2012-09-19 | 江苏珠影特种电缆有限公司 | Fireproof high-temperature-resistant power cable |
| CN104778996A (en) * | 2015-04-01 | 2015-07-15 | 苏州欢颜电气有限公司 | Aluminum conductor provided with insulation layers and preparation method of aluminum conductor |
| CN104867545A (en) * | 2015-04-01 | 2015-08-26 | 苏州欢颜电气有限公司 | Copper conductor with insulating layer and preparation method thereof |
| CN109923620A (en) * | 2016-10-27 | 2019-06-21 | 原子能与替代能源委员会 | Pass through the method for the polyamide of impregnation filling silica in supercritical CO 2 |
| CN112687427A (en) * | 2020-12-16 | 2021-04-20 | 深圳市速联技术有限公司 | High-temperature-resistant signal transmission line and processing method |
-
1990
- 1990-05-15 JP JP2124598A patent/JPH0422008A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100294518B1 (en) * | 1992-10-28 | 2001-10-22 | 후루까와 준노스께 | Multi-layered insulated wire and its manufacturing method and transformers related thereto |
| CN102682907A (en) * | 2012-05-08 | 2012-09-19 | 江苏珠影特种电缆有限公司 | Fireproof high-temperature-resistant power cable |
| CN104778996A (en) * | 2015-04-01 | 2015-07-15 | 苏州欢颜电气有限公司 | Aluminum conductor provided with insulation layers and preparation method of aluminum conductor |
| CN104867545A (en) * | 2015-04-01 | 2015-08-26 | 苏州欢颜电气有限公司 | Copper conductor with insulating layer and preparation method thereof |
| CN109923620A (en) * | 2016-10-27 | 2019-06-21 | 原子能与替代能源委员会 | Pass through the method for the polyamide of impregnation filling silica in supercritical CO 2 |
| CN109923620B (en) * | 2016-10-27 | 2020-10-23 | 原子能与替代能源委员会 | Process for treating silica-filled polyamides by dipping in supercritical CO2 |
| CN112687427A (en) * | 2020-12-16 | 2021-04-20 | 深圳市速联技术有限公司 | High-temperature-resistant signal transmission line and processing method |
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