发明名称 |
Magnetic recording medium |
摘要 |
A magnetic recording medium comprising a support having coated thereon a magnetic recording layer containing a ferromagnetic powder dispersed in a binder and a vinyl chloride-vinyl acetate copolymer having a degree of polymerization from about 10 to 100 and at least one terminal carboxyl group. The magnetic recording medium contains the above copolymer in an amount of from about 0.1 to 10 wt % based on the amount of ferromagnetic powder, and preferably also contains a conventional binder. This magnetic recording medium provides both video and audio magnetic tapes having superior running properties, durability and electromagnetic properties.
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申请公布号 |
US4605597(A) |
申请公布日期 |
1986.08.12 |
申请号 |
US19840642283 |
申请日期 |
1984.08.20 |
申请人 |
FUJI PHOTO FILM CO.,LTD. |
发明人 |
OGAWA, HIROSHI;TAMAI, YASUO |
分类号 |
C09D5/23;C09D127/04;C09D127/06;G11B5/702;(IPC1-7):G11B5/70 |
主分类号 |
C09D5/23 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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