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发明公开
CN108962419A 航空航天用轻型电线电缆及其制备方法 无效 - 驳回

航空航天用轻型电线电缆及其制备方法
摘要：
本发明公开了一种航空航天用轻型电线电缆，航空航天用轻型电线电缆，包括电缆本体，其特征在于：所述电缆本体包含绝缘芯线、屏蔽层以及护套层，所述屏蔽层和护套层依次包覆在绝缘芯线的外围；所述绝缘芯线包括导体及包覆于导体外的绝缘层，所述绝缘层为正割模量≤276MPa的交联乙烯‑四氟乙烯共聚物料。本发明还公开了一种航空航天用轻型电线电缆的制备方法，包括如下步骤：在导体外围包覆由高温挤出设备挤出的正割模量≤276MPa的交联乙烯‑四氟乙烯共聚物料经电子加速器辐照交联而形成的绝缘层制成绝缘芯线，将屏蔽层包覆在绝缘芯线外围；在屏蔽层外围包覆护套层形成电缆本体。本发明能减轻电线电缆重量，满足航空航天领域电缆轻量化需求。
摘要（英）：

The invention discloses a light wire cable for aerospace. The light wire cable for aerospace comprises a cable body, and is characterized in that the cable body comprises an insulating core wire, a shielding layer and a sheath layer, the shielding layer and the sheath layer are successively coated on the periphery of the insulating core wire; the insulating core wire comprises a conductor and an insulating layer coated outside the conductor, and the insulating layer is a crosslinked ethylene-tetrafluoroethylene copolymer with the secant modulus being less than or equal to 276MPa. The inventionfurther discloses a preparation method of the light wire cable for aerospace. The preparation method comprises the steps of coating the periphery of a conductor with an insulating layer formed by performing irradiation crosslinking on a crosslinked ethylene-tetrafluoroethylene copolymer with the secant modulus being less than or equal to 276MPa which is extruded by high-temperature extruding equipment by an electronic accelerator so as to prepare an insulating core wire, and the periphery of the insulating core wire is coated with a shielding layer; and the periphery of the shielding layer iscoated with a sheath layer so as to form a cable body. The weight of the wire cable can be reduced so as to meet the lightweight requirement of cables in the aerospace field.

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