They can be used as edible films or surface coatings on the polyolefin films. 殼聚糖塗層複合薄膜用於活性包裝具有巨大的潛力。
In China,the basic barrier requirement for barrier packaging film is achieved by multilayer laminated organic materials. 我國的阻隔包裝薄膜採用多層共擠複合薄膜來達到對包裝物基本的阻隔性能要求。