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and said protective layer comprises polyurethane and nitrocellulose in which isopropyl alcohol originally present has been replaced by a resin selected from the group consisting of polyurethane resins, polybutadiene resins, butadiene-acrylonitrile copolymers, vinyl chloride-vinyl acetate-vinyl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> |
申请人 |
TDK ELECTRONICS CO.,LTD.;TOKYO MAGNETIC PRINTING CO.,LTD. |
发明人 |
KUBOTA,YUICHI;SAITO,TSUNAYOSHI;MAKINO,YOSHIAKI |