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Invention Grant
US08697262B2 Lubricant for magnetic disc, magnetic disc and method of producing the same 有权
磁盘用润滑剂，磁盘及其制造方法

Lubricant for magnetic disc, magnetic disc and method of producing the same
Abstract:
A magnetic disk in which at least a magnetic layer, a protective layer, and the lubrication layer are sequentially provided on a substrate, the lubrication layer contains a lubricant compound for a magnetic disk, having a perfluoropolyether main chain in the molecular structure and a structure indicated as follows at a position close to the center of the molecule: -0-CH2—CH(OH)—CH2—CH2—CH(OH)—CH2-0- or -0-CH2—CH(OH)—CH(OH)—CH2-0-.
Abstract(Chinese):

在基板上依次设有至少磁性层，保护层和润滑层的磁盘，润滑层含有分子结构中具有全氟聚醚主链的磁盘用润滑剂， 表示为在分子中心附近的位置：-O-CH 2 -CH（OH）-CH 2 -CH 2 -CH（OH）-CH 2 O-或-O-CH 2 -CH（OH）-CH（ OH）-CH 2 O-。

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