“…Over the past few decades, the phosphate ester-type anionic surfactants have been attracting attention in the surfactant industry [1,2] because they have been extensively applied in various industrial fields, such as rust and corrosion inhibition [3,4], antistatic agents [5,6], lubricants [7], emulsifiers [8,9], etc. In addition to the monophosphate-type detergents [10,11], Gemini-type phosphates have also been prepared and their amphiphilic properties studied [12].…”