NON-POROUS MOISTURE AND GAS PERMEABLE FILMS

摘要

Disclosed are moisture and gas permeable films which can comprise or be obtained from a blend of a polyamide with a potassium- containing ionomer of an ethylene acid copolymer, an optional ethylene ester dipolymer, and an optional compatibilizer selected from dicarboxylate - containing polymers and ethylene glycidyl ester copolymers. The films are suitable for the preparation of tubular casings and shrinkbags, in particular, casings for smoked foodstuffs.