| 摘要 |
The invention relates to a transparent thermoplastic comprising from 0.0001 to 2% by weight of essentially flat metal identification platelets with a greatest longitudinal dimension of less than 200 µm and a thickness of 2-10 µm, a round or n-angled form where n > 4, characterized in that the metal identification platelets have no recesses or have recesses which are essentially in the middle of the metal identification platelet, do not come closer than 20 µm to the surrounding outer edge of the metal identification platelet and do not constitute more than 30% of the surface of the metal identification platelet, and to the production thereof and use thereof for producing films for personalization of a card layer composite and data carriers in card form, especially smart cards, magnetic strip cards, identification cards and the like. |
