Abstract: A multilayer heat-shrinkable film comprises: a) an outer heat sealable layer; b) a layer comprising a blend of (i) ethylene homopolymer and/or ethylene/alpha-olefin copolymer, and (ii) ethylene vinyl acetate copolymer; c) an internal gas-barrier layer; and d) a layer comprising a blend of (iii) at least one member selected from the group consisting of acrylate-based resin and acrylic acid-based resin, with (iv) at least one member selected from the group consisting of ethylene homopolymer, ethylene/alpha-olefin copolymer and adhesive material.

Abstract: A multilayer heat-shrinkable film comprising: a) an outer heat sealable layer b) at least one layer comprising a blend of ethylene homopolymer and/or ethylene alfa olefin copolymers and ethylene vinyl acetate copolymer, c) at least one internal gas-barrier layer, and d) at least one layer comprising a material selected from the group consisting of acrylate-based resin and acrylic acid-based resin, and blends thereof with ethylene homopolymer and/or ethylene/alpha-olefin (E/AO) copolymer and/or adhesive materials and flexible packaging containers made therefrom.

Abstract: A multi-layer, gas-barrier, biaxially oriented and heat-shrinkable film includes a first outer heat-sealable layer, an inner gas-barrier layer, and a second outer abuse resistant layer, the film containing at least 28%, by weight of the film, of polystyrene polymer, such as a high styrene styrene-butadiene block copolymer. The polystyrene copolymer can be present in the second outer abuse-resistant layer, and/or in one or more inner layers positioned between the first outer heat-sealable layer and the inner gas-barrier layer, and/or in one or more inner layers positioned between the gas-barrier layer and the second outer abuse layer. The film of the invention is particularly suitable to be deep-drawn to form a flexible container in a packaging process where the final vacuum lidded package is heat-shrunk.

Abstract: The present invention relates to printed antifog films suitable for the packaging of food products having an improved ability to maintain their antifogging properties after being wound up into a roll and to the packages obtained therefrom. The films of the invention comprise an overprint varnish applied over the printed image on the antifog film, said overprint varnish comprising a vinylidene chloride polymer and a surfactant. The printed antifog film may be manufactured using conventional equipment by applying an overprint varnish in the final print station of the printing process.

Abstract: A multi-layer, gas-barrier, biaxially oriented and heat-shrinkable film includes a first outer heat-sealable layer, an inner gas-barrier layer, and a second outer abuse resistant layer, the film containing at least 28%, by weight of the film, of polystyrene polymer, such as a high styrene styrene-butadiene block copolymer. The polystyrene copolymer can be present in the second outer abuse-resistant layer, and/or in one or more inner layers positioned between the first outer heat-sealable layer and the inner gas-barrier layer, and/or in one or more inner layers positioned between the gas-barrier layer and the second outer abuse layer. The film of the invention is particularly suitable to be deep-drawn to form a flexible container in a packaging process where the final vacuum lidded package is heat-shrunk.

Abstract: The sealability of a thermoplastic, mono- or multi-layer film having an irradiated sealing layer comprising a polyethylene and/or an ethylene-x-olefin copolymer with a density ≧0.915 g/cm3 is improved by corona treating said sealing layer. The integrity of the obtained sealed container is maintained under pasteurizing or cook-in conditions.

Abstract: The invention refers to a thermoplastic, multi-layer, heat-shrinkable film having a sealing layer comprising a blend of a propylene co-polymer or ter-polymer with from about 5 to about 40% by weight of an EPDM elastomer. The film also comprises a core gas-barrier layer, preferably comprising EVOH, and an outer abuse layer, typically comprising a polyolefin or a polyamide. The film is converted into containers, such as bags or pouches, by sealing it to itself and employed for cook-in and pasteurization applications. With the new films it is possible to better control the decay with aging of the seal strength of the factory seals of these containers.

Abstract: A multilayer heat-shrinkable film comprisesa heat-sealable layer (a);an inner layer (b) comprising a polymer selected from the group consisting of ethylene-vinyl acetate copolymers containing from 4 to 28% by weight of vinyl acetate units and with a fractional Melt Index, and ethylene-alkyl acrylate copolymers containing from 9 to 28% by weight of alkyl acrylate units and with a fractional Melt Index;an inner layer (c), face-to-face in contact with layer (b), comprising a polymer selected from the group consisting of ethylene-acrylic acid copolymers, ethylene-methacrylic acid copolymers, ethylene-vinyl acetate copolymers, ethylene-alkyl acrylate copolymers, heterogeneous ethylene-.alpha.-olefin copolymers, and homogeneous ethylene-.alpha.

Abstract: A multilayer, preferably heat-shrinkable, thermoplastic film for cheese packaging which comprises(a) a core barrier layer comprising a blend of from about 40 to about 85% by weight of nylon 6/12 and from about 15 to about 60% by weight of ethylene-vinyl alcohol copolymer; and(b) a heat-sealing layer comprising an ethylene-.alpha.-olefin polymer with a density .ltoreq.0.915 g/cc.

Abstract: 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.

Abstract: A microwaveable multilayer film with metal-like appearance, comprises at least a sealing layer, an inner layer, and an outer abuse layer, the film including from 0.05 to 2.5% by weight, based on the total weight of the film, of aluminum powder in finely divided form, dispersed in at least one layer selected from the inner and the outer abuse layers.

Abstract: A copolymer blend having improved extrusion performance comprising from 90 to 50% by weight of vinylidene chloride-vinyl chloride copolymer and from 10 to 50% by weight of a vinylidene chloride-methyl acrylate copolymer wherein the weight percentage of vinyl chloride in the blend is greater than 12% and the weight percentage of methyl acrylate in the blend is less than 2.8%.

Abstract: A pasteurizable and/or cook-in multilayer shrink film, which is characterized in that the innermost sealing layer comprises an ethylene-butyl acrylate-maleic anhydride copolymer.