The structure and property of 2,3 epoxypropyl trimethyl ammonium chloride, and the method of synthesizing cationic starch based on ETA and cornstarch are introduced in brief.

• 对2,3环氧丙基三甲基氯化铵(ETA)的结构和性质及以ETA和玉米淀粉为原料合成阳离子淀粉的方法进行了简要介绍。