Thermoplastic starch was prepared with cross-linked hydroxypropylstarch by double screw extruder, glycerol was used as plasticizer.
以羟丙基交联淀粉为原料、甘油为增塑剂，采用双螺杆熔融挤出共混技术制备热塑性淀粉。
2
Hydroxypropylstarch and oxidized starch was prepared by etherification or oxidation with green soybean starch, and the optimum production conditions was found. The yield was over 90%.
用绿豆淀粉通过醚化或氧化制成羟丙基淀粉和氧化淀粉，找出最佳工艺条件，收率可达90 %以上。
3
Synthesis technology and property of hydroxypropylstarch by using potato starch as raw material, propylene oxide as etherization reagent and sodium hydroxide as catalyst, were studied in this paper.