A composite film was prepared through the reaction of methylcellulose, polyamide, and alkyl ketene dimmer.Glycerol was used as a plasticizer.

• 以丙三醇为增塑剂,将甲基纤维素、聚酰胺与烷基烯酮二聚体反应后制备出甲基纤维素／聚酰胺复合膜。