发明名称 SUPPORTO DI REGISTRAZIONE MAGNETICA DI TIPO A RIVESTIMENTO
摘要 An object of the present invention is to impart good running stability and durability to a magnetic recording medium comprising a combination of a polyester polyurethane resin and a phenox resin as a binder for a magnetic layer of a coating type magnetic recording medium while ensuring excellent static magnetic properties. In order to achieve the object, the present invention provides a coating type magnetic recording medium having a magnetic layer formed on a nonmagnetic support and containing a magnetic powder, a binder and a lubricant, wherein a combination of a polyester polyurethane resin and a phenox resin is use as the binder, a combination of a polyhydric alcohol ester and silicone oil is used as the lubricant, and the surface extraction of the lubricant from the coating type magnetic recording medium is 3.0x10-3 to 3.0x10-2 g/m2.
申请公布号 IT1299410(B1) 申请公布日期 2000.03.16
申请号 IT1998RM00227 申请日期 1998.04.10
申请人 SONY CORPORATION 发明人 SAWAGUCHI MASAHIRO;SUZUKI KAZUHIKO;ABE YUKO
分类号 C10M105/38;C09D5/23;C09D175/06;C10M107/50;C10N40/18;G11B5/702;G11B5/71 主分类号 C10M105/38
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