OPTICAL RECORDING MEDIUM

To provide a highly wear- and sweat-resistant magnetic recording medium.SOLUTION: A magnetic recording medium 10 provided herein comprises a magnetic recording layer 2, a shield layer 3, and a printed layer 5 laminated in the described order. The shield layer 3 contains an aluminum powder and shield...

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Bibliographische Detailangaben
Hauptverfasser:	NAKANISHI MASAMITSU, IGARASHI SUSUMU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BOOK COVERS BOOKBINDING COLOUR PRINTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LINING MACHINES LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PHYSICS PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SPECIAL PRINTED MATTER STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	To provide a highly wear- and sweat-resistant magnetic recording medium.SOLUTION: A magnetic recording medium 10 provided herein comprises a magnetic recording layer 2, a shield layer 3, and a printed layer 5 laminated in the described order. The shield layer 3 contains an aluminum powder and shield layer binder resin containing a polyurethane and nitrocellulose, where nitrocellulose content in the shield layer binder resin is 10-40 mass%, inclusive, with respect to a total mass of the shield layer binder resin.SELECTED DRAWING: Figure 1 【課題】耐摩耗性及び耐汗性に優れる磁気記録媒体を提供すること。【解決手段】磁気記録層２、隠蔽層３、及び印刷層５をこの順に有する磁気記録媒体であって、隠蔽層３が、アルミニウム粉及び隠蔽層用バインダー樹脂を含み、隠蔽層用バインダー樹脂が、ポリウレタン、及びニトロセルロースを含み、隠蔽層用バインダー樹脂におけるニトロセルロースの含有割合が、隠蔽層用バインダー樹脂全体に対して、１０質量％以上４０質量％以下である、磁気記録媒体１０。【選択図】図１