发明名称 |
OPTICALLY ISOTROPIC POLYCARBONATE FILMS AND A METHOD FOR THE PRODUCTION THEREOF |
摘要 |
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. |
申请公布号 |
PL346001(A1) |
申请公布日期 |
2002.01.14 |
申请号 |
PL19990346001 |
申请日期 |
1999.08.16 |
申请人 |
ROEHM GMBH & CO.KG |
发明人 |
NUMRICH UWE;HOFMANN KLAUS;EMERSON ROGER HUGH;PFAFF THOMAS;MEIER-KAISER MICHAEL |
分类号 |
B29C47/88;C08J5/18;C08L69/00;(IPC1-7):C08J5/18 |
主分类号 |
B29C47/88 |
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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