They can be used as edible films or surface coatings on the polyolefin films. 壳聚糖涂层复合薄膜用于活性包装具有巨大的潜力。
In China,the basic barrier requirement for barrier packaging film is achieved by multilayer laminated organic materials. 我国的阻隔包装薄膜采用多层共挤复合薄膜来达到对包装物基本的阻隔性能要求。