INSULATED WIRE, WIRE HARNESS, AND METHOD FOR MANUFACTURING INSULATED WIRE

• Main Authors: HOSOKAWA TAKEHIRO, SATO MASASHI, SHIMADA TATSUYA, MIZOGUCHI MAKOTO
• Format: Patent
• Language: English; Japanese
• Published: 07.04.2023
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; BASIC ELECTRIC ELEMENTS; CABLES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CONDUCTORS; ELECTRICITY; GENERAL PROCESSES OF COMPOUNDING; INSULATORS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

To provide an insulated wire having an insulation coating which is composed of a material containing a silicone resin and has high oil resistance, a wire harness including the insulated wire, and a method for manufacturing the insulated wire.SOLUTION: An insulated wire 1 has a wire conductor 2 and an insulation coating 3 which is composed of a crosslinked polymer material and coats the outer periphery of the wire conductor 2, wherein the crosslinked polymer material contains a metal ion and a silicone resin including a substituent capable of forming an ion bond with the metal ion at a side chain, and the silicone resin constitutes a crosslinked body by an ion bond between the substituent and the metal ion. The insulated wire 1 is manufactured by arranging a crosslinkable polymer composition containing a metal compound where the metal ion is isolated by heat and the silicone resin on the outer periphery of the wire conductor 2, forming the crosslinked body from the crosslinkable polymer composition by heating, and preparing the insulation coating 3 composed of the crosslinked polymer material.SELECTED DRAWING: Figure 1 【課題】シリコーン樹脂を含む材料より構成され、高い耐油性を有する絶縁被覆を備えた絶縁電線、およびそのような絶縁電線を含むワイヤーハーネス、またそのような絶縁電線の製造方法を提供する。【解決手段】電線導体２と、架橋高分子材料より構成され、前記電線導体２の外周を被覆する絶縁被覆３と、を有し、前記架橋高分子材料は、金属イオンと、前記金属イオンとイオン結合を形成可能な置換基を側鎖に含むシリコーン樹脂と、を含み、前記シリコーン樹脂は、前記置換基と前記金属イオンとの間のイオン結合によって架橋体を構成している、絶縁電線１とする。熱によって前記金属イオンが遊離する金属化合物と、前記シリコーン樹脂と、を含有する架橋性高分子組成物を、前記電線導体２の外周に配置したうえで、加熱によって、前記架橋性高分子組成物から前記架橋体を形成して、前記架橋高分子材料よりなる前記絶縁被覆３を作製し、前記絶縁電線１を製造する。【選択図】図１