PREIMPREGNADOS EN RESINA EPOXICA IGNIFUGA, LAMINADOS Y PLACAS DE CIRCUITO IMPRESO CON ESTABILIDAD TERMICA MEJORADA

Una formulación de una resina epóxica sustancialmente libre de halógeno adecuada para recubrir o impregnar un sustrato de dicha resina epóxica siendo una resina epóxica mejorada con fósforo y teniendo dispersa en dicha formulación una cantidad de una bohemita finamente dividida que incrementa la est...

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Bibliographische Detailangaben
Hauptverfasser:	HERBIET, RENE, G., E, RANKEN, F., PAUL
Format:	Patent
Sprache:	spa
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL PROCESSES OF COMPOUNDING 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 MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES PRINTED CIRCUITS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Zusammenfassung:	Una formulación de una resina epóxica sustancialmente libre de halógeno adecuada para recubrir o impregnar un sustrato de dicha resina epóxica siendo una resina epóxica mejorada con fósforo y teniendo dispersa en dicha formulación una cantidad de una bohemita finamente dividida que incrementa la estabilidad térmica. Boehmite (alumina monohydrate) when used with a typical epoxy resin advanced with phosphorus makes it possible to improve thermal stability and to increase the ignition time of laminates formed from prepregs made using this fortified resin. Such laminates have exceptionally high thermal stability and showed similar longer times to ignition as compared to corresponding resins in which alumina trihydrate was used.