MULTILAYERED PACKING MATERIAL Russian patent published in 2005 - IPC

FIELD: production of layered packing materials.

SUBSTANCE: layered packing material produced by applying two or more wet covering layers on substrate and drying thereof comprises at least one layer having thickness of not more than 20 mcm in wet state and at least one oxygen barrier layer or at least one oxygen scavenging layer. Oxygen barrier layer is formed so that total oxygen permeability of layered material does not exceed 150 cm³/m² during 24 hours under 1 atm pressure.

EFFECT: possibility of layered material usage for forming packages to be filled and sealed.

9 cl, 2 dwg