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。

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.

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利用热塑性淀粉(TPS)与聚己内酯(PCL)熔融共混并挤出可用来制备完全可生物降解的塑料。

Thermoplastic starch (TPS) and polycaprolactone (PCL) were melt blended and extruded to prepare truly biodegradable plastics.

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