EFFECTS OF POLYMER CONCENTRATION AND TEMPERATURE ON MICELLIZATION OF CETYLTRIMETHYLAMMNIUM BROMIDE (CTAB) IN AQUEOUS PVP-CTAB MIXED SYSTEM
Makaleler > Tam Makale · 2021
Yazarlar: Özgür MASALCI
Eskişehir Technical University Journal of Science and Technology A - Applied Sciences and Engineering, Hakemli Üniversite Dergisi, Uluslararası, TR Dizin (Ulakbim), 2021, cilt 22, ss 299-311
Özet
Polymeric micelles supply an environment, which can be cautiously regulated for drug delivery. The self-assembly of polymeric micellization is dynamic. Micellization thermodynamic describes how the system defines the formation of micelles. The present study enables the micellization behavior of the surfactants in the presence of polymer to be examined by conductometric and tensiometric methods. The effects of polymer concentration and temperature on the micellization thermodynamics of a neutral soluble polymer and cationic cetyltrimethylammomium bromide (CTAB) surfactant mixture in aqueous medium were investigated. To examine polymer-surfactant interaction, critical micellar concentration (CMC) and thermodynamic parameters such as standard free energy ∆G, enthalpy ∆H and entropy ∆S are calculated by using a pseudo-phase model. Based on CMC, ΔG, ΔH and ΔH, the dependence of the compensation temperature on the polymer effect is discussed. This advanced work to understand micelle stability and compatibility can be comprehensively feasible in polymeric systems.