SUBSTITUTION-REACTIONS OCCURRING IN CROSS-LINKED POLYANION LINEAR POLYCATION ANIONIC SURFACTANT TRIPLE-SYSTEMS

The interaction between stoichiometric interpolyelectrolyte complexes (cross-linked poly(sodium acrylate) - linear polyamine) and anionic su rfactants has been investigated. It was first stated that the polyelec trolyte gels can sorb effectively anionic surfactants. The driving for ce of the process is the substitution reaction which results in the po lymer-colloidal complex (linear polyamine-anionic surfactant) formatio n within cross-linked matrix. The structure of the reaction products w as studied by means of wideangle and small-angle X-ray scattering and differential scanning calorimetry. It was shown that cross-linked matr ix does not prevent from forming lamellar structure of the micellar ph ase characterizing for polymer-colloidal complexes.