发明名称 |
LAMINATED POLYESTER FILM AND MAGNETIC RECORDING MEDIUM |
摘要 |
A laminated polyester film excellent in blocking resistance and processing suitability and exhibiting excellent electromagnetic transducing characteristics and excellent travel durability, when processed into a magnetic recording medium, and an electromagnetic recording medium using the laminated polyester film as a base film, are provided. <??>This laminated polyester film comprises a polyester layer B containing a cyclic trimer in an amount of not more than 0.8 percent by weight, having a terminal carboxyl group concentration of not more than 35 eq/10<6> g and containing inactive particles B having an average particle diameter of 50 to 100 nm, and a polyester layer A laminated to one side of the polyester layer B and not containing inactive particles or containing inactive particles A having a smaller average particle diameter than that of the inactive particles B.
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申请公布号 |
EP1369229(A1) |
申请公布日期 |
2003.12.10 |
申请号 |
EP20020700625 |
申请日期 |
2002.02.20 |
申请人 |
TEIJIN LIMITED |
发明人 |
KOSUGE, MASAHIKO;MUROOKA, HIROFUMI;ISHIDA, TAKESHI |
分类号 |
B32B27/20;B32B27/36;C08K3/00;C08K5/098;C08K5/103;C08L67/00;G11B5/64;G11B5/73;G11B5/733;(IPC1-7):B32B27/36 |
主分类号 |
B32B27/20 |
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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