Magnet Wire With Improved Enamel Adhesion

Magnet wire with improved enamel adhesion is described. The magnet wire may include a conductor and a plurality of layers of polymeric enamel insulation material formed around the conductor. One or more first or primer coats of insulation may be formed from a polyimide material that includes a dianh...

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Bibliographische Detailangaben
1. Verfasser:	Knerr, Allan R
Format:	Patent
Sprache:	eng
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 LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Magnet wire with improved enamel adhesion is described. The magnet wire may include a conductor and a plurality of layers of polymeric enamel insulation material formed around the conductor. One or more first or primer coats of insulation may be formed from a polyimide material that includes a dianhydride component reacted with a diamine component that includes at least eighty percent by weight of BAPP. The BAPP provides enhanced adhesion between the insulation material and the conductor. One or more second or overcoat layers of insulation may be formed over the primer coat(s). The overcoat layer(s) may be formed from a polyimide material that includes a dianhydride component reacted with a diamine component that includes ODA.