BARRIER BLEND AND FOOD PACKAGING FILM CONTAINING THE BLEND

摘要

A copolymer blend comprising vinylidene chloride-vinyl chloride copolymer, vinylideno chloride-methyl acrylate copolymer or a mixture thereof, from 2 to 20% by weight of CO-modified ethylene vinyl acetate copolymer or CO-modified ethylene alkyl acrylate copolymer and preferably up to 5%, of a plasticizer and/or stabiliser, relative to tbe total weight of tbe blend is useful as a barrier layer in a multi-layer film for packaging food such as cheese. A multi-layer film comprising such a blend, a method of producing such a blend or multi-layer film and a package or bag formed from tbe film.