Thermosetting composition for protective film for wiring board

Disclosed is a thermosetting composition for a protective film for a wiring board, which has excellent low warpage properties, flexibility, and long-term insulation reliability. The thermosetting composition for a protective film for a wiring board comprises, as essential components, an epoxy group-...

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Bibliographische Detailangaben
Hauptverfasser:	ONISHI, MINA, OOGA, KAZUHIKO, AZUMA, RITSUKO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PRINTED CIRCUITS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Disclosed is a thermosetting composition for a protective film for a wiring board, which has excellent low warpage properties, flexibility, and long-term insulation reliability. The thermosetting composition for a protective film for a wiring board comprises, as essential components, an epoxy group-containing compound having a tricyclodecane structure, polyurethane having a structural unit represented by formula (1) and having a functional group which can react with an epoxy group, and a solvent. In formula (1), R1 represents an alkylene group having 3 to 18 carbon atoms, and n represents an integer of 1 or more. As the epoxy group-containing compound having a tricyclodecane structure, a compound represented by formula (2) is preferably used.