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The interaction between positive and negative ions of surfactant in aqueous solution

In order to find out whether the interaction between positive and negative ions is determined by the performance of surfactants, the interaction of anionic and cationic surfactants is introduced by testing the surface tension, interfacial tension, solubilization, compatibility, emulsification, ion distribution, etc. The test results show that the mixed solution of anionic and cationic surfactants can eliminate the repulsion between the same charge and form the attraction between the positive and negative charges, which is very conducive to the association between the two kinds of surfactant ions, at the same time, it can increase the hydrophobicity and improve the surface activity.