Critical aggregation concentration in mixed solutions of anionic polyelectrolytes and cationic surfactants.

摘要: We have examined the polymer/surfactant interaction in mixed aqueous solutions of cationic surfactants and anionic polyelectrolytes combining various techniques: tensiometry, potentiometry with surfactant-selective electrodes, viscosimetry. investigated role varying polymer charge density, concentration, surfactant chain length, backbone rigidity, molecular weight on critical aggregation concentration (Cac) systems. The Cac these systems, estimated from tensiometry potentiometry, is found to be close agreement. Different variations density length were observed polymers having persistence lengths either smaller or larger than micelle size, which might reflect a different type organization complexes. at viscosity starts decrease sharply probably reflects shrinkage due binding.