| 摘要 |
Protecting a transparent polycarbonate product comprises extruding a product comprising at least three layers, of a transparent polycarbonate layer, a transparent intermediate layer of thickness at least 30 mu of an adhesive material of MFI 0.5-7 g/10 min., Tg below 0 degrees C and softening temperature at least 70 degrees C, and a transparent layer of thermoplastic material of polyamide 10, 11, 12 and/or 13. |
