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2025 AOCS Annual Meeting & Expo.

Surfactants and Detergents

Applications of HLD Principles

Optimizing Surfactant Selection for Soil Removal using Hansen Solubility Parameters

Tuesday, April 29, 2025
11:35 AM – 11:55 AM PST
Room: B110-112
Abstract: Hansen Solubility Parameters (HSPs) are a valuable predictive tool for understanding soil solvation. This study explores the application of HSP to surfactant micelle detergency, providing formulators with the ability to optimize surfactant choices for targeting specific soils and enhancing their subsequent removal. The goal of this cleaning optimization is to align surfactant chemistry with the targeted soil type, reducing or eliminating the need for organic solvents in HI&I formulations, and thus improving the sustainability profiles of new products.
The study examines prototypical HI&I formulations containing organic solvents, such as P&N series glycol ethers, short-chain alcohols, and dibasic esters. The HSPs of the test matrix soils were calculated and matched against common surfactants used in formulated systems. The cleaning efficacy was then quantified, comparing solvent-free formulations to their solvent-containing counterparts.