INSULATING RESIN COMPOSITION AND PRODUCTION METHOD THEREFOR, INSULATING TAPE AND PRODUCTION METHOD THEREFOR, INSULATING LAYER FORMATION METHOD, AND POWER CABLE AND PRODUCTION METHOD THEREFOR

An insulating resin composition that allows a reduction in the amount of spatial electric charges accumulated in an insulating layer, whereby dielectric breakdown is less likely to occur. This insulating resin composition 1 contains at least an antioxidant and a base resin including an unmodified po...

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Bibliographische Detailangaben
Hauptverfasser:	MIEDA, Tetsuya, KANAYA, Takahiro
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONDUCTORS ELECTRICITY GENERAL PROCESSES OF COMPOUNDING INSULATORS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	An insulating resin composition that allows a reduction in the amount of spatial electric charges accumulated in an insulating layer, whereby dielectric breakdown is less likely to occur. This insulating resin composition 1 contains at least an antioxidant and a base resin including an unmodified polyolefin resin and a modified polyolefin resin modified by a molecule having a polar group. The modified polyolefin resin is modified by at least one selected from unsaturated dicarboxylic anhydride derivatives, unsaturated dicarboxylic anhydrides, and unsaturated dicarboxylic acids, which are each a molecule having a polar group. The base resin has a so-called island-in-sea structure in which a second phase 12 containing the modified polyolefin resin is present in a first phase 11 containing the unmodified polyolefin resin. The second phase has an average diameter of 2 μm or less.