发明授权
- 专利标题： Magnetic coating and magnetic recording medium
- 专利标题（中）： 磁性涂层和磁记录介质
-
申请号： US425963申请日： 1989-10-24
-
公开(公告)号： US4983311A公开(公告)日： 1991-01-08
- 发明人: Eitaro Nakamura , Masahiro Yamakawa , Akira Nakayama , Fumio Takano
- 申请人： Eitaro Nakamura , Masahiro Yamakawa , Akira Nakayama , Fumio Takano
- 申请人地址： JPX Tokyo
- 专利权人： Nippon Zeon Co., Ltd.
- 当前专利权人： Nippon Zeon Co., Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX63-270573 19881026
- 主分类号： C09D5/23
- IPC分类号： C09D5/23 ; G11B5/702
摘要：
A magnetic coating comprising magnetic powder, a binder and an organic solvent, characterized in that at least one component of the binder is a vinyl chloride copolymer having hydroxyl group, and carboxylic acid groups or sulfur- or phosphorus-containing strong acid radicals, and the comonomer supplying the hydroxyl groups is a monoallyl ether of polyhydroxy compound, and a magnetic recording medium made by coating a substrate with the magnetic coating.
信息查询
IPC分类:
