INSULATING RESIN COMPOSITION, INSULATING MEMBER COMPRISING THE CURED MATERIAL, AND ELECTRICAL MACHINE

• Main Authors: SHIIKI MOTOHARU, MATSUZAKI SAKAHITO, TAZAKI MORIHIKO, YASUOKA TAKAMICHI
• Format: Patent
• Language: English; Japanese
• Published: 17.06.2022
• Subjects: BASIC ELECTRIC ELEMENTS; CABLES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CONDUCTORS; ELECTRICITY; 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

To provide an insulating resin composition that can reduce the electrical resistance (volume resistivity) of the insulating resin and suppress the temperature dependence of the electrical resistance (volume resistivity) of the insulating resin, and to provide an insulating member and an electrical machine.SOLUTION: Provided are an insulating resin composition that is made by containing (1) an epoxy resin, and a matrix resin containing a curing agent that cures the epoxy resin, (2) a first filler selected from the group consisting of silica and alumina, and (3) a second filler selected from the group consisting of Fe3O4 and B4C, an insulation insulating member made of a cured product of the insulating resin composition, and an electrical machine including the insulating member.SELECTED DRAWING: None 【課題】絶縁性樹脂の電気抵抗（体積抵抗率）を低減しかつ絶縁性樹脂の電気抵抗（体積抵抗率）の温度依存性を抑制可能な絶縁性樹脂組成物、絶縁性部材及び電気機器を提供する。【解決手段】（１）エポキシ樹脂、及び前記エポキシ樹脂を硬化させる硬化剤を含むマトリックス樹脂と、（２）シリカ及びアルミナからなる群から選ばれた第一の充填剤と、（３）Ｆｅ３Ｏ４及びＢ４Ｃからなるから群から選ばれた第二の充填剤と、を含有してなる絶縁性樹脂組成物、上記絶縁性樹脂組成物の硬化物からなる絶縁絶縁性部材、並びに上記絶縁性部材を具備してなる電気機器。【選択図】なし