Envoltório termocontrátil de náilon para alimentos, com camada central de polímero etilênico funcionalizado e respectivo processo de obtenção

摘要

Tubular, biaxially stretched, heat shrinkable multilayer film food casings comprising inner and outer polyamide layers on either side of a core layer predominantly of one or more ethylenic polymers having a functional moiety selected from the group of esters, anhydrides, and carboxylic acids, and a coextrusion process for making the film.