Investigating Synergis m in Critical Micelle Concen tration (CMC) of cationic-nonioni c surfactantmixtures

The syn ergism behavior of a m ixed surfac tant system consisting of a nonionic surfactant (Triton x-۱۰۰)andca tionic surf actant (cetylpyridinium chloride CnPC, n = ۱۴,۱۶) werestudied. Synergistic effects in mixtures of surfactants have been extensively studied an d different theoretical approaches have been proposed [۱-۲]. Syne rgism is defined as t he condition in which the properties of the mixture are better than those observed for t he individu al components by the mselves [۳]. Rubingh [۴] introduced the concept of t he interactio n parameter, β, based on regular solution th eory, which describes the synergism between two surfactants. The value of the β-parameter gives an ind ication of t he strength of the interaction between the surfactants. In this case, β is the inte raction parameter in t he mixed monolayer,(...)Where β is the molec ular interaction parameter:(...)

کلیدواژه ها:

Surface Tension ، CM C ، surfactant ، Binary M ixture ، Interaction para meter