Non-woven fabric for electromagnetic wave shielding material and electromagnetic wave shielding material

The present invention addresses the problem of providing: a non-woven fabric base material for an electromagnetic wave shielding material, which is capable of exhibiting excellent electromagnetic wave shielding properties; and an electromagnetic wave shielding material. A non-woven fabric for an ele...

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Bibliographische Detailangaben
Hauptverfasser:	MASUDA TAKAO, SAEGUSA HIDEAKI, TAKAHAMA NOBUKO, OOYAMA KEISUKE, JIAO XINYUE, SATO TOMOHIRO, KONDO YASUYOSHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BRAIDING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS COTTON-WOOL ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS IMPREGNATING OR COATING OF PAPER KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS NON-WOVEN FABRICS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRINTED CIRCUITS PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	The present invention addresses the problem of providing: a non-woven fabric base material for an electromagnetic wave shielding material, which is capable of exhibiting excellent electromagnetic wave shielding properties; and an electromagnetic wave shielding material. A non-woven fabric for an electromagnetic wave shielding material, which is a wet non-woven fabric containing two or more stretched polyester-based short fibers having different fiber diameters selected from stretched polyester-based short fibers having a fiber diameter of 3 [mu] m or more and less than 12 [mu] m, and unstretched polyester-based short fibers having a fiber diameter of 3 [mu] m or more and 5 [mu] m or less. A non-woven fabric for an electromagnetic wave shielding material, which is a wet non-woven fabric that contains stretched polyester-based short fibers having a fiber diameter of less than 3 [mu] m and unstretched polyester-based short fibers having a fiber diameter of 3-5 [mu] m, and that has a basis weight of 7 g/m2 or les