Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are each straight chain, branched chain or cyclic alkyl, alkenyl, aryl, aralkyl or alkaryl moieties having from 1-30 carbon atoms; R.sub.3 is a C.sub.2 -C.sub.8 alkylene, alkenylene, arylene or alkarylene moiety; R.sub.4 is a C.sub.1 -C.sub.8 alkylene, alkenylene, arylene or alkarylene moiety; A is a water-solubilizing anionic moiety; and n is from 1 to about 100 are useful as surfactants. Compounds wherein groups R.sub.1, R.sub.2 and R.sub.3 and integer n are selectively chosen provide good clay soil detergency performance even in the absence of builders. The compounds are usefully combined with other organic surfactants to provide detergent compositions having good clay and oily soil removal performance.
分子式为##STR1##的化合物,其中R.sub.1和R.sub.2分别是直链、支链或环烷基、烯基、芳基、芳基烷基或烷芳基基团,具有1-30个碳原子;R.sub.3是C.sub.2-C.sub.8烷基、烯基、芳基或烷芳基基团;R.sub.4是C.sub.1-C.sub.8烷基、烯基、芳基或烷芳基基团;A是一种
水溶性阴离子基团;n为1到约100。这些化合物可用作表面活性剂。在选择R.sub.1、R.sub.2和R.sub.3基团和整数n的化合物中,即使没有建筑材料,也能提供良好的黏土土壤去污性能。这些化合物可与其他有机表面活性剂结合使用,以提供具有良好黏土和油性土壤去除性能的洗涤剂组合物。