C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/18 (2006.01) B29C 47/88 (2006.01) C08G 64/40 (2006.01) C08L 69/00 (2006.01) G11B 7/254 (2006.01)
Patent
CA 2340722
Injection-molding materials comprised of polycarbonate can be processed into optically isotropic films in a chill roll extrusion method. The optically isotropic films are used as covering films for protecting data carriers (CD-ROMS) from becoming scratched, or they are used as supporting materials for the information layer.
Des matières moulées par injection en polycarbonate sont traitées, au cours d'un procédé d'extrusion à l'extraction par rouleaux refroidisseurs, pour donner des films optiquement isotropes. Ces derniers s'utilisent comme films de recouvrement pour la protection contre les rayures de supports de données (CD-Roms), ou même comme matériaux de support pour la couche d'informations.
Emerson Roger Hugh
Hofmann Klaus
Meier-Kaiser Michael
Numrich Uwe
Pfaff Thomas
Evonik Roehm Gmbh
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Rohm Gmbh
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