PROBLEM TO BE SOLVED: To provide a flat insulated wire that maintains flexibility and resistance to thermal softening, while improving bending resistance reliability by improving the adhesion between insulating layers and preventing the occurrence of cracks that reach a conductor, and that additionally exhibits excellent ATF resistance characteristics.SOLUTION: A flat insulated wired 1 is provided with: a flat conductor 2 that has an approximately rectangular cross section; a thermosetting resin layer 3 that is formed to cover the flat conductor; a thermoplastic resin layer 4 that is formed to cover the thermosetting resin layer; and a thermoplastic resin layer 5 that is formed to cover the thermoplastic resin layer 4. The adhesion strength between the thermosetting resin layer 3 and the thermoplastic resin layer 4 and the adhesion strength between the thermoplastic resin layers 4 and 5 are respectively 50-100 gf/mm. The relative degree of crystallization in the thermoplastic resin layer 4 as calculated on the basis of the heat of fusion and the heat of crystallization measured by differential scanning calorimetry is 20-50%.

    【課題】可とう性、耐熱軟化性を維持しつつ、絶縁層間の密着性の向上と導体まで達する亀裂の発生の防止とを両立することで耐屈曲信頼性を向上し、更には耐ATF特性に優れた平角絶縁電線を提供する。【解決手段】平角絶縁電線1は、断面略矩形の平角導体2と、該平角導体を覆って形成された熱硬化性樹脂層3と、該熱硬化性樹脂層を覆って形成された熱可塑性樹脂層4と、熱可塑性樹脂層4を覆って形成された熱可塑性樹脂層5とを備える。熱硬化性樹脂層3と熱可塑性樹脂層4の密着強度と熱可塑性樹脂層4,5間の密着強度は、それぞれ50gf/mm〜100gf/mmである。熱可塑性樹脂層4において、示差走査熱量分析により測定した融解熱量および結晶化熱量に基づいて算出される相対結晶化度が20%以上50%以下である。【選択図】図1


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    Titel :

    FLAT INSULATED WIRE AND ELECTRIC GENERATOR COIL


    Weitere Titelangaben:

    平角絶縁電線および電動発電機用コイル


    Beteiligte:
    FUKUDA HIDEO (Autor:in) / OYA MAKOTO (Autor:in) / IKEDA KEISUKE (Autor:in) / YAMOTO TOMOKO (Autor:in) / AOI TSUNEO (Autor:in)

    Erscheinungsdatum :

    2015-07-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H01B CABLES , Kabel / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01F MAGNETS , Magnete / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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