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最近多层共挤出薄膜的应用日益受到重视,特别是在包装易氧化变质的食品和物料时。它的发展在于降低成本、提高包装性能和适应特定包装需要。新一代高阻隔薄膜的典型结构为LLDPE/粘合层/EVOH/粘合层/LLDPE五层共挤出结
The recent application of multilayer coextruded films is gaining more and more attention, especially when packaging easily oxidizable materials and materials. Its development is to reduce costs, improve packaging performance and adapt to specific packaging needs. The typical structure of a new generation of high barrier film LLDPE / adhesive layer / EVOH / adhesive layer / LLDPE five co-extruded knot