Abstract: This paper gives the experimental setup and the theory of surfactant-selective membrane electrode applying in the study of the interaction between the surfactants and the polymers. The applications of the surfactant-selective membrane in studying the interactions between ionic surfactants and different kinds of polymers are also reviewed. The results have indicated that the binding isotherm of surfactant on polymer is a very good method to investigate the interactions between surfactants and polymers. The earlier studies mainly concerned with surfactants-polymers systems at relatively higher polymer or surfactant concentrations. However, the introduction of the surfactant selective membrane electrode has allowed the extension of these studies to very low surfactant concentration.

Key words: Selective membrane electrode, Surfactants, Macromolecules, Interactions