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Transparent, deepdrawable and easysealable Film with UV barrier properties and its use as food packaging material
Transparent, deepdrawable and easysealable Film with UV barrier properties and its use as food packaging material
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机译:具有紫外线阻隔性能的透明,可深拉伸和易于密封的薄膜及其用作食品包装材料的用途
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摘要
Transparent deep-drawable heat-sealable multilayer film, comprises a polyamide layer and a polyethylene layer with a defined titanium dioxide content. Multilayer film comprises: (a) at least one polyamide film; (b) at least one polyethylene or ethylene copolymer layer containing titanium dioxide (TiO2) with a primary particle diameter of 5-30 nm in an amount such that the multiplication product of the TiO2 content (wt.%) and the layer thickness ( mu m), summed for all TiO2-containing layers, is 5-200; and optionally (c) one or more ethylene/vinyl alcohol copolymer (EVOH) and/or adhesion-promoting layers.
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