Effect of the nature of the counterion on the properties of anionic surfactants. 3. Self-association behavior of tetrabutylammonium dodecyl sulfate and tetradecyl sulfate: Clouding and micellar growth

Article Abstract:

The surfactants tetrabutylammonium dodecyl sulfate (TBADS) and tetradecyl sulfate (TBATS) is synthesized by ion exchange, and their self-association behavior is investigated. It is concluded that some bound TBA(super +) ions must be located in an outer and probably incomplete second layer of bound TBA(super +) ions.

Surface active agents, Surface Active Agent Manufacturing, Anionic Surfactants

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Interaction of water with single-walled carbon nanotubes: Reaction and adsorption

Article Abstract:

The interaction of water vapor with carbon nanotubes at room temperature is investigated using Fourier transform (FT) IR spectroscopy and density functional theory (DFT) calculations. FTIR data indicate that water molecules adsorb on single-walled carbon nanotubes at room temperature.

Analysis, Density functionals, Density functional theory, Fourier transform infrared spectroscopy, Nanotubes, Water vapour, Water vapor

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