CASTING RESIN AND CLOSED INSULATING DEVICE

• Main Authors: SHIIKI MOTOHARU, MATSUZAKI SAKAHITO, TAZAKI MORIHIKO, YASUOKA TAKAMICHI
• Format: Patent
• Language: English; Japanese
• Published: 11.10.2021
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

To appropriately reduce electrical resistance (volume resistivity) of a casting resin, and to reduce temperature dependence of the electrical resistance (volume resistivity) of the casting resin.SOLUTION: According to an embodiment, a casting resin (1) comprises: a matrix resin (30) that includes resin and curing agent; a first filler (10) having a function for improving mechanical characteristics of the resin, the first filler being incorporated by dispersion in the matrix resin (30); and a second filler (20) having a function for controlling electrical resistance of the resin, the second filler being incorporated by dispersion in the matrix resin (30).SELECTED DRAWING: Figure 1 【課題】注型樹脂の電気抵抗（体積抵抗率）を適切に低減し、かつ注型樹脂の電気抵抗（体積抵抗率）の温度依存性を低減する。【解決手段】実施形態によれば注型樹脂（１）は、樹脂および硬化剤を含むマトリックス樹脂（３０）と、マトリックス樹脂（３０）に分散して含有され、樹脂の機械的特性を向上させる機能を有する第１の充填剤（１０）と、マトリックス樹脂（３０）に分散して含有され、樹脂の電気抵抗を制御する機能を有する第２の充填剤（２０）とを具備する。【選択図】図１