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    • 3. 发明公开
    • Film distinguished in corona resistant characteristic and insulated wires, coils and motors used said film for insulation material
    • 具有薄膜高耐电晕性,并且在绝缘电线使用该薄膜的,一个线圈和一个电动机
    • EP1454738A2
    • 2004-09-08
    • EP04008627.4
    • 1996-02-27
    • KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA
    • Kuribayashi, EiichiroNisida, KeigoOhnari, Yoshihide
    • B32B9/00B32B7/02H01B3/00H01B7/02H02K3/40H01B3/10H01B3/02
    • B32B9/045B32B3/28B32B27/281B32B2379/08C08J5/18C08J2379/08H01B3/002H01B3/025H01B3/10H01B3/306H01B7/2806H01B7/2813H02K3/30H02K3/40Y10T428/294Y10T428/2958
    • The object of the invention is to provide a plastic film distinguished in corona resistant characteristic at a low cost without lowering mechanical strength proper to the film, and yet, prove novel insulated wires, coils, and electric motors capable of fully responding to demand for providing electric trains with higher running speed and higher acceleration and deceleration.
      A film 10 distinguished in corona resistant characteristic according to the invention shown in Fig. 1 comprises a high thermal conductive layer 14 formed by laminating inorganic compound or inorganic material having a minimum of 2W/m · K, desirably a minimum of 6W/m · K, preferably a minimum of 15W/m · K, of thermal conductivity at least on a single surface of a base film 12.
      Another Example of the inventive film distinguished in corona resistant characteristic provides at least a single surface of the film with a maximum of 10 13 Ω of superficial electrical resistance, desirably a maximum of 10 12 Ω of said resistance and a minimum of 10 14 Ω · cm of volume electrical resistivity, desirably a minimum of 10 15 Ω · cm of said resistance. Fig. 1 illustrates structure of the inventive film 10 distinguished in corona resistant characteristic, which provides a low-electrical-resistance layer 14 incorporating a predetermined electrical resistance value by way of laminating inorganic compound or inorganic material at least on a single surface of the base film 12. As a result of completing the above structure, the invention provides a novel film distinguished in corona resistant characteristic at a low cost without lowering mechanical strength of the film itself, and in addition, the invention also provides such insulated wires, coils, and electric motors distinguished in corona resistant characteristic respectively incorporating novel insulation material comprising the inventive film.
    • 本发明的目的是提供一种塑料膜的区分以低成本在耐电晕特性而不降低机械强度适当的电影,然而,证明新颖绝缘电线,线圈,和电动马达能够充分响应对提供要求 电动火车具有更高的运行速度和更高的加速和减速。 电影10在耐电晕特性雅丁于图1所示的发明区别。1包括通过层叠具有最小的2W /米无机化合物或无机材料形成的高导热性层14·K,优选至少6W /米· K,优选至少15W / mK的,在基膜12的本发明的膜 - 区分在耐电晕特性提供至少该膜的单个表面具有最大的另一个实施例的单个表面的至少热导率的 浅电阻13©10,理想的是最大电阻10 12©说的和至少10体积电阻率的14©-cm,优选至少10 15©·厘米所述电阻的。 图1示出本发明的薄膜10可分辨的结构在耐电晕特性,其提供了至少在基部的单个表面上层叠无机化合物或无机材料的方式装有一个预定电阻值的低电电阻层14 膜12作为完成上述结构的结果是,本发明提供以低成本薄膜区分在耐电晕特性的新颖而不降低膜本身的机械强度,此外,本发明提供因此求绝缘电线,线圈, 和电动马达区分在耐电晕特性分别掺入新绝缘材料,其包含根据本发明的电影。