Optimizing Surfactant Selection for Efficient Soil Stain Removal using HLD

This study focuses on the strategic use of the Hydrophobic-Lipophilic Deviation (HLD) equation as a critical criterion for selecting optimal surfactants in the context of removing soils from clothing. By investigating the interfacial properties of surfactants, particularly their characteristic curvature (cc), our research aims to enhance the efficiency of surfactant selection for soil stain removal through a predictive approach utilizing the HLD equation. The analysis involves a comprehensive examination of the characteristic curvature values to determine surfactant compatibility with specific soil types commonly found in laundry applications, considering their unique physicochemical characteristics. Through a systematic evaluation using HLD concepts, we propose a method to optimize surfactant selection for improved soil-wetting and effective contaminant mobilization, contributing practical insights for laundry applications.