GLASS CLOTH EPOXY SHEET

PURPOSE:To improve adhesion with other substrates by performing surface treatment so that mirror surface glossiness on at least one surface of glass cloth epoxy sheet is kept in a specific range. CONSTITUTION:Varnish obtained by dissolving curing epoxy resin composition into a solvent is impregnated...

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Bibliographische Detailangaben
Hauptverfasser:	HAMANO HIDEJI, HIGUCHI SADAO, OKUYAMA KATSUMI, ITOU AKIYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRINTED CIRCUITS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To improve adhesion with other substrates by performing surface treatment so that mirror surface glossiness on at least one surface of glass cloth epoxy sheet is kept in a specific range. CONSTITUTION:Varnish obtained by dissolving curing epoxy resin composition into a solvent is impregnated into a glass cloth and is cured to obtain a glass cloth epoxy sheet. In this case, surface treatment is performed so that the mirror surface glossiness on the surface to be adhered to another board of the glass cloth epoxy sheet is 30% or less and is 1% or more. When the mirror surface glossiness is set to 30% or less, the wetting of the adhesive for adhering other boards is improved. When the mirror glossiness exceeds 30%, no sufficient adhesion force with other substrates such as PVC sheet can be obtained. On the other hand, when the mirror surface glossiness becomes less than 1%, the fiber of the glass cloth is damaged, the adhesion surface between the glass cloth and epoxy is released, thus causing mechanical physical properties to deteriorate and hence improving the adhesion with other substrates.