Modifying potato starch with etherification, adding water, PVA, glycerol and other assisting agent to the modificated starch to prepare all-starch thermoplastic thin film was studied.

• 摘要对马铃薯淀粉进行醚化改性，在改性后的淀粉中加入水、PVA、甘油等助剂，制备全淀粉热塑性塑料薄膜。