The multilayer film A PARTICULAR gas permeability, and their use as a packaging material, primarily in the quality of packaging for cheese, let it ripen

摘要

1. u043cu043du043eu0433u043eu0441u043bu043eu0439u043du0430u00a0 film, u0438u043cu0435u044eu0449u0430;(a) at least one u0441u0432u0430u0440u0438u0432u0430u0435u043cu044bu0439 layer as a surface u0441u043bu043eu00a0,;(b) a layer of a thickness of less than 10 microns through a partially crystalline polyamide filament mixture of m - u043au0441u0438u043bu0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430u0434u0438u043fu0430u0442u0430 and u0430u043bu0438u0444u0430u0442u0438u0447u0435u0441u043au043eu0433u043e polyamide containing u0434u0438u0441u043fu0435u0440u0433u0438u0440u043eu0432u0430 u043du043du044bu0435, solid, u0430u043du0438u0437u043eu0442u0440u043eu043fu043du044bu0435, u0438u043du0438u0446u0438u0438u0440u0443u044eu0449u0438u0435 crystallization fillers in the form of particle size in the u043du0430u043du043eu043cu0435u0442u0440u043eu0432u043eu043c rangein the weighted average of all the dispersed particles u043du0430u043fu043eu043bu043du0438u0442u0435u043bu00a0 are measured in one of these areas u043fu0440u043eu0442u00a0u0436u0435u043du043du043eu0441u0442u044c not more than 10 nm and u0438u0437u043cu0435u0440u0435u043du043d . in at least one other direction u043fu0440u043eu0442u00a0u0436u0435u043du043du043eu0441u0442u044c at least 100 nm, and the;in a substrate made of synthetic polymer material, except for the substrate of polyamide with fittings include a tandem axle orientation.;2. u043cu043du043eu0433u043eu0441u043bu043eu0439u043du0430u00a0 film on u043eu0442u043bu0438u0447u0430u044eu0449u0430u00a0u0441u00a0 1, the thickness u0441u043bu043eu00a0 b) u0441u043eu0441u0442u0430u0432u043bu00a0u0435u0442 from 2 to 7 microns, preferably from 3 to 5 microns.;3. u043cu043du043eu0433u043eu0441u043bu043eu0439u043du0430u00a0 film for 1 or 2, u043eu0442u043bu0438u0447u0430u044eu0449u0430u00a0u0441u00a0 so that its permeability u0434u043bu00a0 oxygen u0441u043eu0441u0442u0430u0432u043bu00a0u0435u0442 less than 100 cm3 / m2 day bar, preferably from 20 to 60 cm3 / m2 day bar.;4. u043cu043du043eu0433u043eu0441u043bu043eu0439u043du0430u00a0 film on any of the u043fu043f.1 - 3, u043eu0442u043bu0438u0447u0430u044eu0449u0430u00a0u0441u00a0, u0441u0432u0430u0440u0438u0432u0430u0435u043cu044bu0439 layer (a) made of u043fu043eu043bu0438u0432u0438u043du0438u043bu0430u0446u0435u0442u0430u0442u0430, u043fu043eu043bu0438u043eu043bu0435u0444u0438u043du0430, preferably polyethylene, u043fu043eu043bu0438u043fu0440 u043eu043fu0438u043bu0435u043du0430, copolymer ethylene and propylene, u043eu043bu0435u0444u0438u043du043eu0432u043eu0433u043e triple copolymer mixture u043fu043eu043bu0438u043eu043bu0435u0444u0438u043du043eu0432, most preferably polyethylene of linear low u043fu043bu043eu0442u043du043eu0441u0442 and (u043bu043fu044du043du043f).;5. u043cu043du043eu0433u043eu0441u043bu043eu0439u043du0430u00a0 film on any of the u043fu043f.1 - 4, u043eu0442u043bu0438u0447u0430u044eu0449u0430u00a0u0441u00a0, layer (b) made of polyamide filament mixture containing expressed in all kinds of mixtures of polyamides from 60 to 98 ma and.%, preferably 65 to 85 mas.%, u043au0441u0438u043bu0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430u0434u0438u043fu0430u0442u0430 and from 2 to 40 mas.%, preferably 15 to 35 mas.u0430u043bu0438u0444u0430u0442u0438u0447u0435u0441u043au043eu0433u043e%, preferably polyamide, polyamide 6, and an equivalent mass of u0430u043bu0438u0444u0430u0442u0438u0447u0435u0441u043au043eu0433u043e polyamide component 10 mas.%, preferably about t 1 to 5 mas.%, u043du0430u043fu043eu043bu043du0438u0442u0435u043bu00a0 particulate size in the u043du0430u043du043eu043cu0435u0442u0440u043eu0432u043eu043c range.;6. u043cu043du043eu0433u043eu0441u043bu043eu0439u043du0430u00a0 film on any of the u043fu043f.1 - 5, u043eu0442u043bu0438u0447u0430u044eu0449u0430u00a0u0441u00a0, particle size u043du0430u043fu043eu043bu043du0438u0442u0435u043bu00a0, which lie in the u043du0430u043du043eu043cu0435u0442u0440u043eu0432u043eu043c range are u043fu043bu0430u0441u0442u0438u043du0447u0430u0442u0443u044e or u0447u0435u0448u0443u0439u0447u0430u0442 gear shape.;7. u043cu043du043eu0433u043eu0441u043bu043eu0439u043du0430u00a0 film for p.6, u043eu0442u043bu0438u0447u0430u044eu0449u0430u00a0u0441u00a0, u043du0430u043fu043eu043bu043du0438u0442u0435u043bu00a0u043cu0438 u00a0u0432u043bu00a0u044eu0442u0441u00a0 natural or synthetic stratified silicate.;8. u043cu043du043eu0433u043eu0441u043bu043eu0439u043du0430u00a0 film on any of the u043fu043f.1 - 7, u043eu0442u043bu0438u0447u0430u044eu0449u0430u00a0u0441u00a0, u0430u043bu0438u0444u0430u0442u0438u0447u0435u0441u043au0438u0439 polyamide obtained in the presence of u0434u0438u0441u043fu0435u0440u0433u0438u0440u043eu0432u0430u043du043du043eu0433u043e u043du0430u043fu043eu043bu043du0438u0442u0435u043bu00a0 particulate size u043du0430u043du043eu043cu0435u0442u0440u043eu0432u043eu043c range.;9. u043cu043du043eu0433u043eu0441u043bu043eu0439u043du0430u00a0 film on any of the u043fu043f.1 - 8, u043eu0442u043bu0438u0447u0430u044eu0449u0430u00a0u0441u00a0, layer) made of polyester, preferably polyethylene terephthalate, or u043fu043eu043bu0438u043eu043bu0435u0444u0438u043du0430, u043fu0440u0435u0434u043fu043eu0447u0442u0438u0442u0435 rect polypropylene.;10. u043cu043du043eu0433u043eu0441u043bu043eu0439u043du0430u00a0 film on any of the u043fu043f.1 - 9, u043eu0442u043bu0438u0447u0430u044eu0449u0430u00a0u0441u00a0 so that the substrate is made of polymer with the fittings include a tandem axle orientation.;11. u043cu043du043eu0433u043eu0441u043bu043eu0439u043du0430u00a0 film on any of the u043fu043f.1 - 10, u043eu0442u043bu0438u0447u0430u044eu0449u0430u00a0u0441u00a0, u043au0430u0436u0434u0430u00a0 surface u0441u043bu043eu00a0 b) u0430u0434u0433u0435u0437u0438u043eu043du043du044bu043c layer connected to a layer (a).;12. u043cu043du043eu0433u043eu0441u043bu043eu0439u043du0430u00a0 film on any of the u043fu043f.1 - 11, u043eu0442u043bu0438u0447u0430u044eu0449u0430u00a0u0441u00a0, u043eu0431u0449u0430u00a0 thickness film u0441u043eu0441u0442u0430u0432u043bu00a0u0435u0442 from 30 to 90 microns.;13. the application of multilayer film on any of the u043fu043f.1 - 12 as or as part of a packaging, preferably as or as part of a packaging film.;14. packaging u0434u043bu00a0 cheese, u0434u043eu043fu0443u0441u043au0430u044eu0449u0430u00a0 his u0434u043eu0437u0440u0435u0432u0430u043du0438u0435 and u0432u044bu043fu043eu043bu043du0435u043du043du0430u00a0 of multilayer film on any of the u043fu043f.1 - 12.