Invention Grant
US08153283B2 Magnetic recording medium, method of modifying surface of magnetic powder and magnetic coating material 有权
磁记录介质,磁粉表面和磁性涂层材料的改性方法

Magnetic recording medium, method of modifying surface of magnetic powder and magnetic coating material
Abstract:
An aspect of the present invention relates to a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic powder and a binder on a nonmagnetic support, wherein the magnetic layer comprises a compound denoted by general formula (1): wherein, in general formula (1), X denotes a divalent linking group, each of R1 and R2 independently denotes an alkyl group having 2 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, an alkoxyalkyl group having 2 to 20 carbon atoms, or an aryloxyalkyl group having 7 to 20 carbon atoms, and M denotes a hydrogen atom or a cation.
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