LIQUID EPOXY RESIN COMPOSITION, INSULATING POLYMER MATERIAL COMPOSITION AND MANUFACTURING METHOD OF THE SAME

PROBLEM TO BE SOLVED: To obtain a liquid epoxy resin composition that is obtained from recyclable resources as a raw material and has a viscosity permitting mold casting, and an insulating polymer material composition obtained by curing the liquid epoxy resin composition. SOLUTION: A vegetable oil-d...

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Hauptverfasser:	WADA TADAYUKI, KUROZUMI AKIHIRO, KURATA YASUYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a liquid epoxy resin composition that is obtained from recyclable resources as a raw material and has a viscosity permitting mold casting, and an insulating polymer material composition obtained by curing the liquid epoxy resin composition. SOLUTION: A vegetable oil-derived epoxy resin and a vegetable-derived polyphenol are mixed and the resultant mixture is subjected to a heat treatment to give the liquid epoxy resin composition as a compatibilized product of the vegetable oil-derived epoxy resin and the vegetable-derived polyphenol. The liquid epoxy resin composition is cooled and additives such as a curing accelerator and the like are added thereto followed by mold casting and a heat treatment to give the insulating polymer material composition. A heat treatment for obtaining the liquid epoxy resin composition under a temperature not higher than the melting point of the vegetable-derived polyphenol suppresses vaporization of the vegetable-derived polyphenol. COPYRIGHT: (C)2011,JPO&INPIT