MULTI-LAYER MATERIALS FOR PRODUCING PACKAGINGS

摘要

The invention relates to multi-layer materials for producing packagings consisting of at least two films and a layer which is printed with a printin g ink, said printing ink containing a hyperbranched polyurea comprising functional groups. The invention also relates to a printing ink containing a polyurea comprising functional groups, and to the use of said printing ink f or producing multi-layer materials.