Cases for memory disks having excellent antistatic properties

A case for memory disks having excellent antistatic properties, which comprises a thermoplastic resin composition comprising 100 parts by weight of the following component (A), 3 to 30 parts by weight of the following component (B) and 5 to 40 parts by weight of the following component (C): componen...

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Bibliographische Detailangaben
Hauptverfasser:	MIZUTANI, TOSHIKAZU, DEGUCHI, JICHIO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PHYSICS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	A case for memory disks having excellent antistatic properties, which comprises a thermoplastic resin composition comprising 100 parts by weight of the following component (A), 3 to 30 parts by weight of the following component (B) and 5 to 40 parts by weight of the following component (C): component (A): a crystalline propylene resin having a melt flow rate (MFR) of 1 to 80 g/10 min; component (B): a thermoplastic elastomer selected from (b1) olefin copolymer elastomers having a Mooney viscosity (ML1+4 (100 DEG C.)) of 10 to 85, and (b2) hydrogenated products of a block copolymer of styrene or a derivative thereof and a conjugated diene, containing 15 to 50% by weight of styrene or a derivative thereof, having a weight-average molecular weight of 50,000 to 220,000; and component (C): an acrylamide copolymer.