| 发明名称 |
processo para produÇço de uma folha de matÉria sintÉtica, folha de policarbonato e seu uso. |
| 摘要 |
<p>Injection-molding materials comprised of polycarbonate can be processed into optically isotropic films in a chill roll extrusion method. The optically isotropic films for protecting data carriers (CD-ROMS) from becoming scratched, or they are used as supporting materials for the information layer.</p> |
| 申请公布号 |
BR9913049(B1) |
申请公布日期 |
2009.01.13 |
| 申请号 |
BR19999913049 |
申请日期 |
1999.08.16 |
| 申请人 |
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发明人 |
UWE NUMRICH;KLAUS HOFMANN;ROGER HUGH EMERSON;THOMAS PFAFF;MICHAEL MEIER-KAISER |
| 分类号 |
C08J5/18;B29C47/88;C08L69/00 |
主分类号 |
C08J5/18 |
| 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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