(EN) Detergent compositions comprising anionic ethoxylated or propoxylated hydroxy ethane and propane sulfonate, NaO3SCH2CH2CH2-O(CH2CH2O)n- end-capped esters useful as soil release agents. The esters further contain terephthalate units, oxy-1,2-alkyleneoxy units (oxyethyleneoxy units preferred), and sulfoisophthalate units.(FR) Compositions détersives comprenant des esters à coiffe terminale de sulfonate de propane et d'hydroxy éthane anioniques, éthoxylés ou propoxylés, de la formule NaO3SCH2CH2CH2-O(CH2CH2O)n-, aptes à être utilisés comme agents antisalissure. Ces esters contiennent en outre des unités de térephtalate, des unités d'oxy-1,2-alkylèneoxy (des unités d'oxyéthylèneoxy sont de préférence utilisées) ainsi que des unités de sulfoisophlatate.
Synthesis of Hydroxy Sulfonate Surfactants
作者:O. Rist、P. Carlsen
DOI:10.3390/10091169
日期:——
The selective synthesis of sulfonate surfactants with side chains containing ether- and hydroxy groups was carried out using cyclic sulfates as epoxide analogues. The main chain was elaborated from 1,2-dodecane sulfate by the addition of various hydroxy/alkoxysulfonates. Ethyleneoxy- and 1,2-propyleneoxy- groups were introduced using ethylene sulfate and 1,2-propylene sulfate, respectively.