Proton NMR study of micelle formation in surfactant mixtures
Journal Article
·
· Sep. Sci. Technol.; (United States)
Proton spin-lattice relaxation times (T/sub 1/'s) of micellar solutions of the nonionic surfactant Triton X-100 (TX-100, an alkylbenzenepolyethoxy alcohol) and of mixed micellar systems of TX-100 and n-dodecanol, n-dodecylamine, dodecyl-trimethylammonium chloride, or sodium dodecylsulfate were determined. The results indicate that the hydrocarbon chains of the second surfactant penetrate to the aromatic rings of the TX-100 molecules, but do not extend to the region occupied by the alkyl chains of the TX-100. Ionic cosurfactants appear to produce a general loosening of the micellar structure, presumably because of their mutual coulombic repulsion.
- Research Organization:
- Vanderbilt Univ., Nashville, TN (USA)
- OSTI ID:
- 7076674
- Journal Information:
- Sep. Sci. Technol.; (United States), Journal Name: Sep. Sci. Technol.; (United States) Vol. 23:1-3; ISSN SSTED
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105 -- Separation Procedures
400201* -- Chemical & Physicochemical Properties
ALCOHOLS
ALKANES
AMINES
AMMONIUM CHLORIDES
AMMONIUM COMPOUNDS
AMMONIUM HALIDES
AROMATICS
CHLORIDES
CHLORINE COMPOUNDS
DATA
DISPERSIONS
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
HYDROCARBONS
HYDROGEN 1
HYDROGEN ISOTOPES
HYDROXY COMPOUNDS
INFORMATION
ISOTOPES
LIGHT NUCLEI
MAGNETIC RESONANCE
MICELLAR SYSTEMS
MIXTURES
NMR SPECTRA
NUCLEAR MAGNETIC RESONANCE
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
RELAXATION
RESONANCE
SPECTRA
SPIN-LATTICE RELAXATION
STABLE ISOTOPES
SULFATES
SULFUR COMPOUNDS
SURFACTANTS
400105 -- Separation Procedures
400201* -- Chemical & Physicochemical Properties
ALCOHOLS
ALKANES
AMINES
AMMONIUM CHLORIDES
AMMONIUM COMPOUNDS
AMMONIUM HALIDES
AROMATICS
CHLORIDES
CHLORINE COMPOUNDS
DATA
DISPERSIONS
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
HYDROCARBONS
HYDROGEN 1
HYDROGEN ISOTOPES
HYDROXY COMPOUNDS
INFORMATION
ISOTOPES
LIGHT NUCLEI
MAGNETIC RESONANCE
MICELLAR SYSTEMS
MIXTURES
NMR SPECTRA
NUCLEAR MAGNETIC RESONANCE
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
RELAXATION
RESONANCE
SPECTRA
SPIN-LATTICE RELAXATION
STABLE ISOTOPES
SULFATES
SULFUR COMPOUNDS
SURFACTANTS