Abstract
The dissolution of polyelectrolyte (PE) complexes (PECs) in cetyl trimethyl–ammonium bromide (CTAB) or in sodium dodecyl sulfate (SDS) has been investigated. It was verified that the complex divides first into its two components (anionic PE and cationic PE) in aqueous surfactant solution; then one of the components reacts with oppositely charged surfactant to produce a PE–surfactant complex. The dissolution property of the PEC mainly depends on the solubility of PE–surfactant, ie the PE–surfactant dissolves in its aqueous surfactant solution, the PEC also dissolves or otherwise it is insoluble. A tentative dissolution mode of PEC in aqueous surfactant solution is proposed. © 2000 Society of Chemical Industry
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