Dynamics in Cationic Micelles: Effect due to location of Phenyl Ring
Surfactants have unique properties base from their amphiphilic nature, i.e., each molecule contains both a hydrophilic and a hydrophobic section and are important in a wide variety of processes: commercial, industrial and biological. The possibility of structural variations and their implications on the micellar behavior is at the core of current research in this area. Understanding and correlating the effect of subtle structural variations on the properties of aqueous surfactant solutions is far from complete. With that view, a series of isomeric cationic surfactants bearing a long alkyl chain that carries a 1,4-phenylene unit and a trimethyl ammonium head group is synthesized. The location of the phenyl ring within the alkyl tail is varied in an effort to understand its influence on the amphiphilic properties of the surfactants. Interest here is the effect of aromatic pi-pi interactions and the location of the aromatic ring, on the segmental dynamics of the surfactant in it’s micellar form. The aim of the proposed experiment is to carry out a systematic study of the internal dynamics in phenyl ring bearing cationic surfactants as a function of its location along the alkyl chain.
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MUKHOPADHYAY Ramaprosad; JOHNSON Mark Robert; MITRA Subhankur; PRABHUDESAI Swapnil and SHARMA Veerendra Kumar. (2013). Dynamics in Cationic Micelles: Effect due to location of Phenyl Ring. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-13-480
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