Investigations of First Adsorption Step of Cationic Dimeric (Gemini) Surfactants onto Silica Surfaces by Analytical and Calorimetric Methods

Influence of the Chemical Surface State

Influence of the Chemical Surface State of Silica on Adsorption Process of Conventional Cationic and Gemini Surfactants: Thermodynamic Investigations

✍ L. Grosmaire; M. Chorro; C. Chorro; S. Partyka 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 171 KB

The aim of this investigation was to study the effect of molecular structure on the adsorption of cationic surfactants onto silica. Thus, the thermodynamics of adsorption of DTAB (dodecyltrimethylammonium bromide) and of the gemini surfactant 12-2-12 (ethanediyl-1,2-bis(dodecyldimethylammonium bromi