Surfactant Micelles as Catalysts: Kinetic Modeling and Key Models

Year 2024, , 1165 - 1180, 30.08.2024

Karrı Lavanya , Srikanth Vemuri , Shyamala P , Nagalakshmi K V , Ravi Vital Kandisa

https://doi.org/10.18596/jotcsa.1399457

Abstract

Surfactant molecules possess both hydrophilic and hydrophobic properties, featuring a hydrophilic head and a hydrophobic tail. When surfactants reach a critical micellar concentration, they assemble into stable molecular aggregates called micelles. These micelles serve as effective catalysts for a range of chemical reactions. To elucidate and make sense of experimental data related to micelle-catalyzed reactions, researchers often employ kinetic modeling as a valuable tool. Several kinetic models have been introduced to describe the reaction rates within micellar environments. In this discussion, we will provide a concise overview of four widely utilized models: The Berezin model, the pseudophase model, the ion exchange model, and the Piskiewicz model.

Keywords

Micellar catalysis, Kinetic modeling, Berezin model, Pseudophase model, Ion exchange model, Piskiewicz model

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