申请人:Essex Furukawa Magnet Wire Japan Co., Ltd.
公开号:EP3951802A1
公开(公告)日:2022-02-09
An insulated wire, containing a conductor, and an insulating film provided on the periphery of the conductor, in which the insulating film contains a polyimide resin, and the polyimide resin contains the following constituting unit (a) as a tetracarboxylic dianhydride-derived constituting unit and the following constituting unit (b) as a diamine-derived constituting unit, among the constituting units of the polyimide:
(a) a constituting unit having a skeleton derived from pyromellitic anhydride and/or a constituting unit having a skeleton derived from 3,3',4,4'-biphenyltetracarboxylic dianhydride; and
(b) a constituting unit having a skeleton derived from 9,9-bis(4-aminophenyl)fluorene.
一种绝缘电线,包含导体和设置在导体外围的绝缘膜,其中绝缘膜包含聚酰亚胺树脂,聚酰亚胺树脂的构成单元中包含以下构成单元(a)作为四羧酸二酐衍生的构成单元和以下构成单元(b)作为二胺衍生的构成单元:
(a) 具有衍生自吡咯烷酸酐的骨架的构成单元和/或具有衍生自 3,3',4,4'-联苯四羧酸二酐的骨架的构成单元;以及
(b) 具有源自 9,9-双(4-氨基苯基)芴的骨架的构成单元。