A magnetic recording medium comprising a non-magnetic support having thereon a multi-layer magnetic layer structure comprising ferromagnetic fine powder and a binder, wherein said multi-layer magnetic layer structure is formed by coating a first composition containing the ferromagnetic fine powder and a polyisocyanate compound on the non-magnetic support to form a first magnetic layer and coating a second composition containing ferromagnetic fine powder and an epoxy compound having at least one epoxy group or a coupling agent on said first magnetic layer to form a second magnetic layer, wherein coating of said second magnetic layer is conducted simultaneously with or after coating said first magnetic layer while said first magnetic layer is still in a wet state, by a simultaneous or successive multiple layered coating method.
一种磁记录介质,包括一个非磁性支撑物,上面有一个多层磁性层结构,包括
铁磁细粉和粘合剂,其中所述的多层磁性层结构是通过在非磁性支撑物上涂覆含有
铁磁细粉和多
异氰酸酯化合物的第一组成物,形成第一磁性层,并在所述第一磁性层上涂覆含有
铁磁细粉和至少一个环氧基或
偶联剂的第二组成物,形成第二磁性层而形成的,其中在第一磁性层仍处于湿润状态时,通过同时或连续多层涂覆方法进行所述第二磁性层的涂覆,或在涂覆所述第一磁性层之后进行涂覆。