PREPREG SHEET AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To obtain the subject sheet easy in disposal after peeling in use, slight in danger during operation, by covering at least one side of a specific prepreg with a prescribed polymer film instead of a conventional release paper. SOLUTION: At least one side of a prepared obtained i...

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Bibliographische Detailangaben
Hauptverfasser:	TAKEYAMA HIRONORI, BAN KENZOU
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING 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:	PROBLEM TO BE SOLVED: To obtain the subject sheet easy in disposal after peeling in use, slight in danger during operation, by covering at least one side of a specific prepreg with a prescribed polymer film instead of a conventional release paper. SOLUTION: At least one side of a prepared obtained impregnating (A) filaments arranged in a sheetlike state or a woven fabric with (B) a thermosetting resin is covered with (C) a polymer film having affinity to the component B to give the objective sheet. The component A is preferably composed of carbon filaments. The content of the resin impregnated into the prepreg is preferably