Behavior of hexadecyltrimethylammonium bromide and Triton X-100 mixture in the bulk phase of aqueous solution in the presence of methanol and propanol

摘要: Abstract Measurements of density, dynamic viscosity and specific conductivity the aqueous solutions p-(1,1,3,3-tetramethylbutyl)phenoxypoly(ethylene glycol) (Triton X-100 or TX-100) hexadecyltrimethylammonium bromide (CTAB) with methanol propanol were made. The surfactant mixture concentration ranged from 1 × 10− 6 to 3 × 10− 2 M mole fraction alcohol changed 0 1. From obtained results critical aggregation (CAC) micelle (CMC) determined. It proved that short-chain alcohols considerably affect CMC surfactants, but surfactants only slightly CAC alcohols. Moreover, form micelles in range below its CAC. Methanol can be treated as a cosolvent while depending on acts both cosurfactant cosolvent. apparent partial molar volumes alcohol, water determined commonly known equations. appeared these also predicted basis bond lengths angles between atoms molecules well average distance by approximating volume certain functional groups cages. composition mixed TX-100 + CTAB was Rosen's theory regular solutions. standard Gibbs free energy micellization evaluated. changes for studied compared.