Teilweise entladungsresistenter Isolierlack, isolierter Draht und Verfahren zum Herstellen derselben

Partial discharge resistant insulating lacquer comprises: a polyamide-imide-enamel lacquer and an organo-silica-sol that is dispersed in a solvent comprising 50-100 wt.% of gamma -butyrolactone. Independent claims are included for: (1) an insulated wire comprising a conductor, and a partial discharg...

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Bibliographische Detailangaben
Hauptverfasser:	KIKUCHI, HIDEYUKI, YUKIMORI, YUZO
Format:	Patent
Sprache:	ger
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CABLES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CONDUCTORS CORRECTING FLUIDS DYES ELECTRICITY FILLING PASTES INKS INSULATORS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES 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 USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Partial discharge resistant insulating lacquer comprises: a polyamide-imide-enamel lacquer and an organo-silica-sol that is dispersed in a solvent comprising 50-100 wt.% of gamma -butyrolactone. Independent claims are included for: (1) an insulated wire comprising a conductor, and a partial discharge resistant insulating cover film, which is formed on the surface of the conductor, where the partial discharge resistant insulating cover film is made of partial discharge resistant insulating lacquer; (2) the preparation of partial discharge resistant insulating lacquer; and (3) the preparation of the insulated wire comprising: preparing the partial discharge resistant insulating lacquer and coating the partial discharge resistant insulating lacquer on the surface of a conductor and then burning of the lacquer in order to form a cover film on the conductor.