发明名称 MAGNETISCHES AUFZEICHNUNGSMEDIUM
摘要 <p>A magnetic recording medium which has a protective layer on a magnetic recording layer coated on a substrate and said protective layer comprises polyurethane and nitrocellulose in which isopropyl alcohol originally present has been replaced by a resin selected from the group consisting of polyurethane resins, polybutadiene resins, butadiene-acrylonitrile copolymers, vinyl chloride-vinyl acetate-vinyl alcohol copolymers, vinyl chloride-vinyl acetate copolymers, vinyl chloride-vinylidene chloride copolymers, vinylidene chloride-acrylonitrile-copolymers, vinyl acetate resins, epoxy resins, phenoxy resins, polyvinylbutyral resins, polyvinyl formal resins and polyester resins.</p>
申请公布号 DE2915905(A1) 申请公布日期 1979.10.25
申请号 DE19792915905 申请日期 1979.04.19
申请人 TDK ELECTRONICS CO.,LTD.;TOKYO MAGNETIC PRINTING CO.,LTD. 发明人 KUBOTA,YUICHI;SAITO,TSUNAYOSHI;MAKINO,YOSHIAKI
分类号 C09D5/23;G11B5/72;(IPC1-7):G11B5/72 主分类号 C09D5/23
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