| 摘要 |
Multilayer films for naked collation packaging of single packs comprising at least a core layer, an inner layer and an outer layer, wherein the inner and outer layer, equal to or different from each other, comprise one or more olefin (co)polymers wherein:
- outer layer: (co)polymers having a melting point in the range 65°C-85°C;
- inner layer: (co)polymers having a melting point in the range 65°C-105°C;
- core layer: (co)polymers of propylene and/or butene having a melting point equal to or higher than 140°C;
wherein the film wrapping the single packs consists of one or more olefin (co)polymers having a melting point higher than 120°C. |
