Synthesis and Interfacial Activity of Novel Heterogemini Sulfobetaines in Aqueous Solution
Dobrawa Kwaśniewska , Katarzyna Staszak , Daria Wieczorek , Ryszard Zieliński
AbstractThree new heterogemini sulfobetaines and their chloride salts were synthesised. The interfacial activities of the obtained chlorides in aqueous solution were studied by equilibrium and dynamic surface tension measurements. The critical micelle concentration, surface excess concentration, minimum area per surfactant molecule and standard Gibbs energy of adsorption as well as micelle lifetime and diffusion coefficient were determined. The adsorption properties and micelle lifetime of these compounds significantly depend on the length of alkyl chain. The critical micelle concentration decreases with increasing chain length of the compounds considered. The values of the diffusion coefficient of N-alkyl-N-methyl-N-(3-sulfopropyl)-6-(N-alkyl-N-methylamino)hexylammonium chloride tend to decrease as the concentration is increased.
|Journal series||Journal of Surfactants and Detergents, ISSN 1097-3958, (A 25 pkt)|
|Publication size in sheets||0.5|
|Keywords in English||Sulfobetaine Zwitterions Surface tension|
|ASJC Classification||; ;|
|Score|| = 25.0, 23-12-2019, ArticleFromJournal|
= 25.0, 23-12-2019, ArticleFromJournal
|Publication indicators||= 8; : 2015 = 1.004; : 2015 = 1.853 (2) - 2015=1.718 (5)|
|Citation count*||18 (2020-09-15)|
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.