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

Provided is 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 u...

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Bibliographische Detailangaben
Hauptverfasser:	MIEDA, Tetsuya, KANAYA, Takahiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONDUCTORS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES INSULATORS 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
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Beschreibung
Zusammenfassung:	Provided is 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.