发明名称 Optically isotropic polycarbonate films and a method for the production thereof.
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 HK1038370(A1) 申请公布日期 2005.09.23
申请号 HK20010109126 申请日期 2001.12.27
申请人 ROEHM GMBH & CO. KG. 发明人 UWE NUMRICH;KLAUS HOFMANN;ROGER HUGH EMERSON;THOMAS PFAFF;MICHAEL MEIER-KAISER
分类号 B29C47/88;C08J5/18;C08L69/00;(IPC1-7):C08J;B29C 主分类号 B29C47/88
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