The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.

• 以二氯乙烷与植物油脂肪酸等为原料,通过氨解、酯化、羟甲基化缩合反应制得氨基酸类咪唑啉型两性表面活性剂。