| 发明名称 |
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| 摘要 |
<p>1244108 Magnetic recording medium FUJI SHASHIN FILM K K 11 Feb 1969 [12 Feb 1968] 7345/69 Index C3B 1 A C8P C8R C8R L4H L6G L5G L5A C6A1 C6AX C21 C13P C4 C25P C4 C25 C9B C12 C33A C6X C1 A magnetic recording medium comprises a support bearing a layer composed of magnetizable particles dispersed in a binder made by mixing a vinylacetate/chloride copolymer, an epoxy resin and a polyisocyanate, the copolymer containing at least 3 per cent by wt. of vinyl acetate and the weight ratio of copolymer to epoxy resin being 2: 8 to 7 : 3. The epoxy resin may be a copolymer of bisphenol A and epichlorohydrin. Many polyisocyanates are specified. The magnetizable materials may be those disclosed in Specification 1244109. In examples, polyethylene terephalate films coated with heat-cured magnetizable composition are glazed by calendering, and slit to form tapes.</p> |
| 申请公布号 |
DE1907054(C3) |
申请公布日期 |
1978.09.21 |
| 申请号 |
DE19691907054 |
申请日期 |
1969.02.12 |
| 申请人 |
FUJI SHASHIN FILM K.K., ASHIGARA, KANAGAWA (JAPAN) |
发明人 |
AKASHI, GORO;YAMADA, YASUYUKI |
| 分类号 |
C08G18/58;C08L75/00;C09D5/23;G11B5/702;(IPC1-7):G11B5/70 |
主分类号 |
C08G18/58 |
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