发明名称 MAGNETISCHES AUFZEICHNUNGSMEDIUM
摘要 A magnetic recording disc having a high durability and being rotatively driven with small starting torque which comprises a non-magnetic support and a magnetic layer provided on at least one surface of the support, the magnetic layer comprising magnetic powder, a resinous binder, (a) an ester of an unsaturated fatty acid of 8 to 18 carbon atoms with a monovalent or polyvalent, saturated or unsaturated alcohol of not more than 18 carbon atoms optionally substituted with at least one alkoxy group having not more than 8 carbon atoms and (b) a fatty acid ester of the formula: <IMAGE> wherein R1 is a saturated or unsaturated aliphatic hydrocarbon group having 8 to 18 carbon atoms, R2 is an alkyl group having not more than 18 carbon atoms and n is an integer of 1 or more, the combined amount of the unsaturated fatty acid ester (a) and the fatty acid ester (b) being not less than 5 parts by weight to 100 parts by weight of the magnetic powder.
申请公布号 DE3634693(A1) 申请公布日期 1987.04.16
申请号 DE19863634693 申请日期 1986.10.11
申请人 HITACHI MAXELL,LTD. 发明人 FUNAHASHI,MASAYA;MIYATA,TERUHISA;INOUE,KENICHI;MIYAKE,AKIRA;NORIMATSU,KOJI
分类号 G11B5/708;C09D5/23;G11B5/71;(IPC1-7):G11B5/71 主分类号 G11B5/708
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