METHOD FOR MANUFACTURING PREPREG FOR SHIELDING ELECTROMAGNETIC WAVE AND PREPREG FOR SHIELDING ELECTROMAGNETIC WAVE MANUFACTURED THEREFROM

PURPOSE: A method for manufacturing prepreg for shielding electromagnetic waves with excellent electromagnetic wave absorption performance is provided to ensure excellent electromagnetic wave absorption performance, to lower costs as inexpensive magnetite is used, and to maximize production efficien...

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Bibliographische Detailangaben
Hauptverfasser:	YANG, CHEOL MIN, BAE, MAN UK, LEE, SANG YONG, KIM, JIN JOO, KIM, HO YEON
Format:	Patent
Sprache:	eng ; kor
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 MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MANUFACTURE OR TREATMENT THEREOF METALLURGY NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS,MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES ASDISCRETE UNITS NANOTECHNOLOGY 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: A method for manufacturing prepreg for shielding electromagnetic waves with excellent electromagnetic wave absorption performance is provided to ensure excellent electromagnetic wave absorption performance, to lower costs as inexpensive magnetite is used, and to maximize production efficiency. CONSTITUTION: A method for manufacturing prepreg for shielding electromagnetic waves comprises the steps of: dispersing magnetite(Fe3O4)-based alloy nanopowder into a thermosetting resin to prepare a thermosetting resin mixture; impregnating carbon fibers into the thermosetting resin mixture. The magnetite-based alloy nanopowder is one kind selected from the group consisting of Fe-Si-Al-based alloy power, Fe-Si-based alloy power, Fe-Si-Cr-based alloy power, Ni-Fe-based permalloy power, and Ni-Fe-Mo-based permalloy alloy powder.