Abstract
The influence of hydrocarbon chain branching (Guerbet branching) on the interfacial properties at the solid-water interface was studied by using the Wilhelmy type wetting force measurement technique (dynamic contact angle analyzer). Dynamic contact angles were determined at the Teflon-water interface for a series of well-characterized Guerbet sulfate and monodisperse ethoxy sulfate surfactants. Comparison of C 16 linear with C 16 Guerbet surfactants revealed that hydrocarbon chain branching decreases the advancing and receding angles by about 30°, representing increased wetting effectiveness
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