FILM COMPRISING A BLEND OF VINYLIDENE CHLORIDE/VINYL CHLORIDE POLYMER, VINYLIDENE CHLORIDE/METHYL ACRYLATE POLYMER (OR A MIXTURE) AND CO-MODIFIED EVA OR A CO-MODIFIED ETHYLENE-ALKYL ACRYLATE; USE AS A BARRIER LAYER IN MULTILAYER FILMS

摘要

A copolymer blend comprising vinylidene chloride-vinyl chloride copolymer, vinylidene 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 the total weight of the 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 the film.