With corn starch as material, hydroxyethylated starch was prepared by first hydrolysing the starchwith acid, then etherifying it with epoxyethane.

• 介绍了一种以玉米淀粉为原料，将淀粉用酸水解后与环氧乙烷进行醚化反应制备羟乙基淀粉的方法。