发明名称 Magnetic recording medium
摘要 A magnetic recording medium is described, which comprises a nonmagnetic support having provided thereon a lower layer comprising nonmagnetic or ferromagnetic particles and a binder resin, and an upper layer provided on the lower layer comprising ferromagnetic metal particles and a binder resin, wherein at least said upper layer contains as a lubricant a compound represented by the following formula (1) in an amount of 1% by weight or more based on the amount of the ferromagnetic metal particles contained in the upper layer: R1-COO-R-OCO-R2 (1)wherein R represents -(CH2)n- or a divalent group derived from -(CH2)n- which may contain an unsaturated bond, in which n is an integer of from 1 to 10, or R represents <IMAGE> and R1 and R2 are the same or different and each represents a chain unsaturated hydrocarbon group having from 12 to 26 carbon atoms.
申请公布号 US5700541(A) 申请公布日期 1997.12.23
申请号 US19950571068 申请日期 1995.12.12
申请人 FUJI PHOTO FILM CO., LTD. 发明人 OKITA, TSUTOMU;ISHIDA, TOSHIO
分类号 G11B5/708;C09D5/23;C09D7/12;C10M105/38;C10N40/18;G11B5/71;G11B5/716;G11B5/72;G11B5/725;G11B5/738;(IPC1-7):G11B5/71 主分类号 G11B5/708
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