发明名称 |
HAIKOHORIESUTERUFUIRUMU |
摘要 |
<p>An oriented polyester film comprising ethylene terephthalate as the major repeating units, which comprises 0.01 to 1.0% by weight of silica particles and/or titanium dioxide particles having each an average particle size of 0.01 to 0.5 mu and 0.005 to 1.0% by weight of calcium carbonate having an average particle size of 0.01 to 0.5 mu , which provides an oriented polyester film for the base film of video tape which has a flatness on the surface and has excellent slipperiness, abrasion resistance and running characteristics as well as excellent magnetic transducer characteristics.</p> |
申请公布号 |
JPH0240252(B2) |
申请公布日期 |
1990.09.11 |
申请号 |
JP19840023567 |
申请日期 |
1984.02.09 |
申请人 |
TOYO BOSEKI KK;NIPPON MAGUFUAN KK |
发明人 |
KUZE KATSURO;MATSUYAMA JUJIRO;MAEDA KOZO;KOBAYASHI MASAHIRO;PPONGO TAKESHI;MAKIMURA OSAMU |
分类号 |
B29C55/00;B29K67/00;B29K105/16;C08G63/78;C08G63/82;C08J5/18;C08K3/22;C08K3/26;C08K3/36;C08L67/00;C08L67/02;G11B5/73;G11B5/733 |
主分类号 |
B29C55/00 |
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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