| 发明名称 |
FILM POLIESTER YANG DIORIENTASIKAN SECARA BIAKSIAL |
| 摘要 |
<p>According to the present invention, a biaxially oriented polyester film is provided which comprises at least one film layer composed predominantly of polypropylene terephthalate and has a heat shrinkage of 0.8% or below after standing at 80 DEG C for 30 minutes. This film is excellent in wear resistance and hence useful particularly for magnetic recording media.</p> |
| 申请公布号 |
ID22047(A) |
申请公布日期 |
1999.08.26 |
| 申请号 |
ID19990000642 |
申请日期 |
1998.06.12 |
| 申请人 |
TORAY INDUSTRIES, INC. |
发明人 |
IWAO OKAZAKI;YUKARI NAKAMORI;SHOZI NAKAJIMA;AKIRA KUBOTA;YURI SHIRAKAWA |
| 分类号 |
B29C55/06;B29C55/12;B29C55/14;B32B27/36;C08J5/18;G11B5/73;(IPC1-7):B32B27/36 |
主分类号 |
B29C55/06 |
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