JP2909576B2 - Fluororesin insulated wire - Google Patents
Fluororesin insulated wireInfo
- Publication number
- JP2909576B2 JP2909576B2 JP5190720A JP19072093A JP2909576B2 JP 2909576 B2 JP2909576 B2 JP 2909576B2 JP 5190720 A JP5190720 A JP 5190720A JP 19072093 A JP19072093 A JP 19072093A JP 2909576 B2 JP2909576 B2 JP 2909576B2
- Authority
- JP
- Japan
- Prior art keywords
- ethylene
- insulated wire
- tetrafluoroethylene
- wires
- resistance
- 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.)
- Expired - Fee Related
Links
Landscapes
- Paints Or Removers (AREA)
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、耐熱性、耐磨耗性、耐
油性を有し、かつ可撓性が改良されたフッ素樹脂絶縁電
線に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fluororesin insulated wire having heat resistance, abrasion resistance, oil resistance and improved flexibility.
【０００２】[0002]
【従来技術および発明が解決しようとする課題】モータ
ー用口出線、車輌用電線、自動車用電線、特にエンジン
近傍で使用される自動車用電線等の機器用絶縁電線は、
高度な耐熱性、耐磨耗性、耐油性、カットスルー性等が
要求されている。例えば、耐熱性について言えば、２０
０℃で４万時間の老化試験にも耐える機器用絶縁電線が
求められている。上記の機器用絶縁電線としては、ＰＴ
ＦＥ、ＰＦＡ、ＦＥＰ、ＥＴＥＦ等のフッ素樹脂からな
る機器用絶縁電線があった。2. Description of the Related Art Insulated electric wires for equipment such as motor lead wires, vehicle electric wires, automobile electric wires, and particularly, automobile electric wires used in the vicinity of an engine are known.
High heat resistance, abrasion resistance, oil resistance, cut-through properties, etc. are required. For example, in terms of heat resistance, 20
There is a need for insulated wires for equipment that can withstand the aging test at 0 ° C. for 40,000 hours. As the above insulated wires for equipment, PT
There are insulated wires for equipment made of fluororesins such as FE, PFA, FEP, and ETEF.
【０００３】ところで、近年の機器、装置等の小型化に
伴い、上記機器用電線は、狭いスペースに電線を効率よ
く配線できるよう、上記の要求特性の他に可撓性が求め
られている。しかしながら、上記のフッ素樹脂からなる
機器用絶縁電線は、可撓性に乏しいため、上記したごと
き小型化された狭い機器内には、該機器用絶縁電線を効
率よく配線できず、また配線時の作業性にも問題があっ
た。一方、フッ素ゴムからなる機器用絶縁電線があった
が、耐磨耗性、カットスルー特性に劣る問題があった。
また、エチレン−四フッ化エチレン共重合体と四フッ化
エチレン−プロピレン共重合体とからなる組成物があっ
た（特開昭５２−１２３４４４）。[0003] With the recent miniaturization of equipment, devices, and the like, the electric wires for the above equipment are required to have flexibility in addition to the above-mentioned required characteristics so that the electric wires can be efficiently wired in a narrow space. However, the insulated wires for equipment made of the above-mentioned fluororesin have poor flexibility, so that the insulated wires for equipment cannot be efficiently wired in the small-sized narrow equipment as described above, There was also a problem with workability. On the other hand, there is an insulated wire for equipment made of fluoro rubber, but there is a problem that the wear resistance and the cut-through characteristics are inferior.
Further, there has been a composition comprising an ethylene-tetrafluoroethylene copolymer and an ethylene-tetrafluoroethylene-propylene copolymer (JP-A-52-123444).
【０００４】本発明の目的は、耐熱性、耐磨耗性、耐油
性を有し、かつ可撓性が良好なフッ素樹脂絶縁電線を提
供することである。An object of the present invention is to provide a fluorine resin insulated wire having heat resistance, abrasion resistance, oil resistance and good flexibility.
【０００５】[0005]
【課題を解決するための手段および作用】本発明者は、
上記課題を解決すべく鋭意検討した結果、上記課題はエ
チレン−四フッ化エチレン系共重合体１００重量部に対
して、未焼成の四フッ化エチレン−プロピレン系共重合
体を１０〜１４０重量部配合してなる組成物の被覆層を
有し、該被覆層が架橋されていることを特徴とするフッ
素樹脂絶縁電線によって解決される。Means and Functions for Solving the Problems The present inventor has provided:
As a result of intensive studies to solve the above-mentioned problem, the above-mentioned problem is based on 100 parts by weight of an ethylene-tetrafluoroethylene-based copolymer and 10 to 140 parts by weight of an unfired ethylene-tetrafluoroethylene-propylene-based copolymer. The problem is solved by a fluororesin insulated wire, which has a coating layer of a composition to be blended, and the coating layer is crosslinked.
【０００６】本発明のフッ素樹脂絶縁電線は、上記の配
合組成物の被覆層を有し、該被覆層を架橋することによ
って、耐熱性、耐磨耗性、耐油性を有し、かつ可撓性を
有する。[0006] The fluororesin insulated wire of the present invention has a coating layer of the above-mentioned composition, and has heat resistance, abrasion resistance, oil resistance and flexibility by crosslinking the coating layer. Has the property.
【０００７】次に本発明の材料について詳細に説明す
る。本発明に用いるエチレン−四フッ化エチレン系共重
合体は、公知のものを用いることができ、例えば旭硝子
社製アフロンＣＯＰ、ダイキン工業社製ネオフレンＥＰ
５２１等が挙げられる。また、本発明で用いるエチレン
−四フッ化エチレン系共重合体は、主成分のエチレンと
四フッ化エチレンに加えて、これらと共重合可能な成
分、例えば、プロピレン、ブテン−１、フッ化ビニリデ
ン、フッ化ビニル、ヘキサフルオロプロペン等を含んで
いてもよい。Next, the material of the present invention will be described in detail. As the ethylene-tetrafluoroethylene-based copolymer used in the present invention, known copolymers can be used. For example, Aflon COP manufactured by Asahi Glass Co., Ltd., and Neofrene EP manufactured by Daikin Industries, Ltd.
521 and the like. In addition, the ethylene-tetrafluoroethylene copolymer used in the present invention may be a component copolymerizable with ethylene and tetrafluoroethylene as main components, such as propylene, butene-1, and vinylidene fluoride. , Vinyl fluoride, hexafluoropropene, and the like.
【０００８】本発明で用いる未焼成四フッ化エチレン−
プロピレン系共重合体としては、主成分の四フッ化エチ
レンとプロピレンに加えて、これらと共重合可能な成
分、例えば、エチレン、ブテン−１、フッ化ビニリデ
ン、フッ化ビニル、ヘキサフルオロプロペン等を含んで
いてもよい。エチレン−四フッ化エチレン系共重合体の
エチレン／四フッ化エチレンの含有モル比としては、２
０／８０〜７０／３０、特に４０／６０〜６０／４０で
あることが耐熱性の点から好ましい。[0008] Unfired ethylene tetrafluoride used in the present invention
As the propylene copolymer, in addition to the main components ethylene tetrafluoride and propylene, components copolymerizable therewith, for example, ethylene, butene-1, vinylidene fluoride, vinyl fluoride, hexafluoropropene, etc. May be included. The ethylene / tetrafluoroethylene copolymer molar ratio of ethylene / tetrafluoroethylene is 2
It is preferably from 0/80 to 70/30, particularly preferably from 40/60 to 60/40, from the viewpoint of heat resistance.
【０００９】一般的な四フッ化エチレン−プロピレン系
共重合体は、四フッ化エチレンとプロピレンとを重合
後、焼成されるが、本発明に用いる四フッ化エチレン−
プロピレン系共重合体は未焼成でなければならない。未
焼成四フッ化エチレン−プロピレン系共重合体として
は、例えば旭硝子社製アフラス１００Ｎが挙げられる。A general ethylene tetrafluoride-propylene copolymer is calcined after polymerization of ethylene tetrafluoride and propylene.
The propylene-based copolymer must be unfired. Examples of the unfired ethylene tetrafluoride-propylene copolymer include Afras 100N manufactured by Asahi Glass Co., Ltd.
【００１０】未焼成四フッ化エチレン−プロピレン系共
重合体は、エチレン−四フッ化エチレン系共重合体１０
０重量部に対して、１０〜１４０重量部配合される。四
フッ化エチレン−プロピレン系共重合体の配合量が、１
０重量部よりも少ないと可撓性が低下する傾向にある。
また１４０重量部よりも多いと、耐磨耗特性が低下する
傾向にある。The unfired ethylene tetrafluoride-propylene copolymer is an ethylene-tetrafluoroethylene copolymer 10
10 to 140 parts by weight is blended with respect to 0 parts by weight. When the blending amount of the tetrafluoroethylene-propylene copolymer is 1
If the amount is less than 0 parts by weight, flexibility tends to decrease.
If the amount is more than 140 parts by weight, the abrasion resistance tends to decrease.
【００１１】本発明に用いるエチレン−四フッ化エチレ
ン系共重合体１００重量部に対して、未焼成四フッ化エ
チレン−プロピレン系共重合体１０〜１４０重量部配合
してなる組成物には、本発明の目的を損なわない程度に
安定剤、充填剤、酸化防止剤、滑剤等を配合してもよ
い。A composition comprising 10 to 140 parts by weight of an unfired ethylene-tetrafluoroethylene-based copolymer with respect to 100 parts by weight of the ethylene-tetrafluoroethylene-based copolymer used in the present invention includes: You may mix | blend a stabilizer, a filler, an antioxidant, a lubricant, etc. to the extent that the objective of this invention is not impaired.
【００１２】本発明における被覆層は、架橋されていな
ければならない。架橋されていないと、耐磨耗特性に劣
る傾向にある。架橋方法としては、電子線を照射させる
方法、有機過酸化物で架橋する方法等いずれも適用でき
るが、耐熱性、生産効率の点で電子線照射架橋が好まし
い。電子線照射架橋の電子線の照射量は、通常２〜１０
Ｍｒａｄ程度でよい。また、有機過酸化物としては、ジ
クミルパーオキサイド等の公知の有機過酸化物を用いる
ことができる。The coating layer in the present invention must be crosslinked. If not crosslinked, the abrasion resistance tends to be poor. As a cross-linking method, any of a method of irradiating with an electron beam, a method of cross-linking with an organic peroxide, and the like can be applied, but electron beam irradiation cross-linking is preferable in terms of heat resistance and production efficiency. The amount of electron beam irradiation for electron beam irradiation crosslinking is usually 2 to 10
Mrad may be sufficient. Further, as the organic peroxide, a known organic peroxide such as dicumyl peroxide can be used.
【００１３】本発明のフッ素樹脂絶縁電線は、耐熱性、
耐磨耗性、耐油性、可撓性を有するのでモーター用口出
線、自動車用電線、車輌用電線、特にエンジン近傍で使
用される自動車用電線等の機器用絶縁電線に最適であ
る。The fluororesin insulated wire of the present invention has heat resistance,
Since it has abrasion resistance, oil resistance, and flexibility, it is most suitable for insulated wires for equipment such as motor lead wires, automobile wires, vehicle wires, especially automotive wires used near the engine.
【００１４】（実施例１、２）表１に示す各成分をニー
ダを用いて溶融混練し、該組成物をダイス３２５℃、、
シリンダー２７０℃に設定した押出機を用いて、０．５
ｍｍ2 の導体に厚さ０．３５ｍｍの被覆層を形成した
後、５Ｍｒａｄで電子線照射し、架橋フッ素樹脂絶縁電
線を得た。(Examples 1 and 2) Each component shown in Table 1 was melt-kneaded using a kneader, and the composition was diced at 325 ° C.
Using an extruder set at 270 ° C. cylinder, 0.5
After a 0.35 mm-thick covering layer was formed on the conductor having a thickness of 2 mm2, electron beams were irradiated at 5 Mrad to obtain a crosslinked fluororesin insulated wire.
【００１５】[0015]
【表１】 [Table 1]
【００１６】上記のようにして製造された各供試例の絶
縁電線の初期引張特性、耐熱性、耐油性、耐磨耗特性、
カットスルー特性を調査した。The initial tensile properties, heat resistance, oil resistance, abrasion resistance, and the like of the insulated wires of each of the test examples manufactured as described above.
The cut-through characteristics were investigated.
【００１７】初期特性 上記各絶縁電線の導体を引き抜いた後、該被覆層につい
て、抗張力、モジュラス１００％，伸び率について測定
を行った。Initial properties After the conductor of each of the above-mentioned insulated wires was pulled out, the coating layer was measured for tensile strength, modulus of 100%, and elongation.
【００１８】耐熱性試験 上記各絶縁電線の導体を引き抜き、該被覆層をギアオー
ブン中で、２５０℃で、１０日老化試験を行った後、老
化後の抗張力、伸び率の残率について測定を行った。Heat resistance test The conductor of each of the above-mentioned insulated wires was pulled out, and the coating layer was subjected to an aging test at 250 ° C. for 10 days in a gear oven. went.
【００１９】耐油性試験 上記各絶縁電線をＪＡＳＯ Ｄ ６０８に準じて、混合
油（エンジンオイル／白灯油＝１／１）中に浸漬し、５
０℃で２０時間放置後、抗張力、伸び率、膨潤による外
径増加率（膨潤度）を測定した。Oil Resistance Test Each of the above insulated wires was immersed in a mixed oil (engine oil / white kerosene = 1/1) according to JASO D608, and
After leaving at 0 ° C. for 20 hours, the tensile strength, the elongation, and the rate of increase in the outer diameter due to swelling (swelling degree) were measured.
【００２０】耐磨耗性試験 上記各絶縁電線をＪＡＳＯ Ｄ ６０８に準じて、室温
で耐磨耗性試験を行った。Abrasion Resistance Test Each of the above insulated wires was subjected to a wear resistance test at room temperature in accordance with JASO D608.
【００２１】カットスルー試験 上記各絶縁電線をＵＬ Ｓｕｂｊｅｃｔ ７５８に準じ
て、室温でカットスルー試験を行った。Cut-Through Test A cut-through test was performed on each of the above insulated wires at room temperature in accordance with UL Project 758.
【００２２】（比較例１、２）表１に示す各組成物を実
施例と同様条件で絶縁電線とし、上記の試験を行なっ
た。なお、比較例２では架橋は行わなかった。(Comparative Examples 1 and 2) Each of the compositions shown in Table 1 was used as an insulated wire under the same conditions as in the examples, and the above test was conducted. In Comparative Example 2, no crosslinking was performed.
【００２３】[0023]
【効果】本発明におけるフッ素樹脂絶縁電線は、耐熱
性、耐磨耗性、耐油性を有し、かつ可撓性が良好であ
る。よって、狭い機器内に効率よく配線することがで
き、また配線作業が容易となり、かつ２００℃級の耐熱
性を有する絶縁電線として十分適用できる。The fluororesin insulated wire according to the present invention has heat resistance, abrasion resistance, oil resistance, and good flexibility. Therefore, wiring can be efficiently performed in a narrow device, the wiring work is facilitated, and the wire can be sufficiently applied as an insulated wire having a heat resistance of 200 ° C. class.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭59−100141（ＪＰ，Ａ) 特開 昭52−123444（ＪＰ，Ａ) 特開 昭61−16932（ＪＰ，Ａ) ────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-59-100141 (JP, A) JP-A-52-123444 (JP, A) JP-A-61-16932 (JP, A)
Claims (1)
１００重量部に対して、未焼成四フッ化エチレン−プロ
ピレン系共重合体１０〜１４０重量部配合してなる組成
物の被覆層を有し、該被覆層が架橋されていることを特
徴とするフッ素樹脂絶縁電線。1. A coating layer of a composition comprising 10 to 140 parts by weight of an unfired ethylene-tetrafluoroethylene-propylene copolymer per 100 parts by weight of an ethylene-tetrafluoroethylene-based copolymer. And a fluororesin insulated wire, wherein the coating layer is crosslinked.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5190720A JP2909576B2 (en) | 1993-07-01 | 1993-07-01 | Fluororesin insulated wire |
| US08/268,854 US5527612A (en) | 1993-07-01 | 1994-06-30 | Fluorocarbon copolymer-insulated wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5190720A JP2909576B2 (en) | 1993-07-01 | 1993-07-01 | Fluororesin insulated wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0721842A JPH0721842A (en) | 1995-01-24 |
| JP2909576B2 true JP2909576B2 (en) | 1999-06-23 |
Family
ID=16262700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5190720A Expired - Fee Related JP2909576B2 (en) | 1993-07-01 | 1993-07-01 | Fluororesin insulated wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2909576B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014119615A1 (en) | 2013-01-30 | 2014-08-07 | 矢崎総業株式会社 | Thin high-voltage insulated electric wire |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5563771B2 (en) * | 2009-02-10 | 2014-07-30 | 日立金属株式会社 | Fluorine-containing elastomer covered wire |
| JP2015003985A (en) * | 2013-06-20 | 2015-01-08 | 日立金属株式会社 | Fluorine-containing elastomer composition, and insulated electric wire and insulated cable each using the same |
-
1993
- 1993-07-01 JP JP5190720A patent/JP2909576B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014119615A1 (en) | 2013-01-30 | 2014-08-07 | 矢崎総業株式会社 | Thin high-voltage insulated electric wire |
| US9779855B2 (en) | 2013-01-30 | 2017-10-03 | Yazaki Corporation | Small diameter high voltage insulated electric wire |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0721842A (en) | 1995-01-24 |
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