Influence of 2‐phenyl alkane and tetralin content on solubility and viscosity of linear alkylbenzene sulfonate

Abstract

Abstract Cloud and clear points and viscosities of linear alkylbenzene sulfonates (LAS) have been determined as a function of 2‐phenyl alkane and/or tetralin content over a wide interval. While the 2‐phenyl content significantly affects the solubility, tetralins have a marked depressive effect on viscosity. The investigation has established that LAS solubility can be explained by assuming eutectic types of isomer and homolog mixtures, which are dependent on internal to external isomer ratios.