A new type of citric triesters of tridodecyl triammonium(CTTTA)cationic surfactant was synthesized by citric acid,epoxy chloropropane and dodecyl dimethyl amine.

• 用柠檬酸、十二烷基二甲基叔胺与环氧氯丙烷反应合成了柠檬酸三酯三烷基季铵盐阳离子表面活性剂。