A process for producing a surfactant having two head groups and a single tail group per molecule, including steps of: producing a compound of Formula (1) from ethanol and carbon disulfide; producing a compound of Formula (2) from a carboxylic acid and bromine; producing a compound of Formula (3) from the compound of Formula (2) and methanol; producing a compound of Formula (4) from the compound of Formula (1) and the compound of Formula (3); and producing a compound of Formula (5) from the compound of Formula (4) by a direct oxidation process or by a peracid oxidation process. The surfactant produced by the process has lower critical micelle concentration and enables a lower surface tension of a liquid as compared with prior surfactants with two head groups per molecule, thereby enabling the amount of surfactant required and thus the cost to be substantially reduced.
一种制备每个分子具有两个头基团和一个尾基团的表面活性剂的方法,包括以下步骤:从
乙醇和
二硫化碳生成式(1)化合物;从
羧酸和
溴生成式(2)化合物;从式(2)化合物和
甲醇生成式(3)化合物;从式(1)化合物和式(3)化合物生成式(4)化合物;通过直接氧化过程或过氧酸氧化过程从式(4)化合物生成式(5)化合物。该方法生产的表面活性剂具有较低的临界胶束浓度,并且与之前每个分子具有两个头基团的表面活性剂相比,能够使液体的表面张力降低,从而能够大幅降低所需表面活性剂的量和成本。