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    • 1. 发明授权
    • Magnetic recording medium lubricated by a three component fatty acid
ester-fatty acid amide composition
    • 由三组分脂肪酸酯 - 脂肪酸酰胺组合物润滑的磁记录介质
    • US5091268A
    • 1992-02-25
    • US546183
    • 1990-06-29
    • Yasuo NishikawaAkira KasugaTsutomu OkitaMasashi Aonuma
    • Yasuo NishikawaAkira KasugaTsutomu OkitaMasashi Aonuma
    • G11B5/708C09D5/23C09D127/04C09D127/06C09D175/06C10M105/34C10M105/68C10N40/18G11B5/71G11B5/725G11B5/73
    • G11B5/725G11B5/71Y10S428/90
    • A novel magnetic recording medium is provided comprising a non-magnetic support having provided thereon a magnetic layer comprising a ferromagnetic powder dispersed in a binder, wherein at least one fatty acid amide compound represented by formula (I), at least one fatty acid ester represented by formula (II) and at least one fatty acid ester represented by formula (III) are provided in or on the magnetic layer: ##STR1## wherein R.sup.1 represents a C.sub.13-21 straight-chain saturated hydrocarbon group; ##STR2## wherein R.sup.2 represents a C.sub.12-21 straight-chain or branched saturated or unsaturated hydrocarbon group; and R.sup.3 represents a C.sub.1-10 straight-chain or branched saturated or unsaturated hydrocarbon group; ##STR3## wherein R.sup.4 represents a C.sub.12-21 straight-chain or branched saturated or unsaturated hydrocarbon group; R.sup.5 represents a C.sub.2-3 divalent hydrocarbon group; R.sup.6 represents a C.sub.1-10 straight-chain or branched saturated or unsaturated hydrocarbon group; and n represents an integer of from 1 to 10 where n may be the same or different when the magnetic layer contains two or more compounds represented by formula (III).
    • 提供了一种新颖的磁记录介质,其包括非磁性载体,其上设置有包含分散在粘合剂中的铁磁粉末的磁性层,其中至少一种由式(I)表示的脂肪酸酰胺化合物,至少一种脂肪酸酯代表 通过式(II)和至少一种由式(III)表示的脂肪酸酯提供在磁性层中或其上:其中R1表示C13-21直链饱和烃基; (II)其中R2代表C12-21直链或支链饱和或不饱和烃基; 并且R 3表示C 1-10直链或支链饱和或不饱和烃基; 其中R4代表C12-21直链或支链饱和或不饱和烃基; R5表示C2-3二价烃基; R6表示C1-10直链或支链饱和或不饱和烃基; n表示1〜10的整数,其中当磁性层含有两种或更多种由式(III)表示的化合物时,n可以相同或不同。