Physicochemistry of Interaction between the Cationic Polymer Poly(diallyldimethylammonium chloride) and the Anionic Surfactants Sodium Dodecyl Sulfate, Sodium Dodecylbenzenesulfonate, and Sodium N -Dodecanoylsarcosinate in Water and Isopropyl Alcohol−Water Media (original) (raw)

Complex formation between oppositely charged polyelectrolytes and surfactants has been an important subject of research for both fundamental and application reasons. 1À7 PolymerÀ surfactant mixtures are widely exploited in commonplace formulations to manipulate their performance behaviors. The ternary systems of surfactant, polymer, and water have potential for domestic, industrial, and technological applications, viz., foods, paints, drug delivery, coatings, laundry products, cosmetics, etc. 8,9 In such applications, polymers are mainly used as viscosity modifiers and stabilizers. Oppositely charged polymerÀ micellar aggregates can serve as models for polyionÀcolloid systems. 10 The Coulombic polyionÀcolloid interaction guides the flocculation of inorganic materials important in water purification. 11,12 Although the field is continuously being explored, information on combinations of different kinds is yet not adequate from the standpoint of fundamental understanding and applications.