Citation: Xiao Wen FANG, Hong Chang GAO, Shi Zhen MAO, Sui ZHAO, Jia Yong YU, You Ru DU. Aggregation of Sodium Dodecyl Sulfonate in Poly-ethylene Glycol Aqueous Solutions Studied by Two-dimensional Nuclear Overhauser Enhancement Spectroscopy[J]. Chinese Chemical Letters, ;2002, 13(3): 258-261. shu

Aggregation of Sodium Dodecyl Sulfonate in Poly-ethylene Glycol Aqueous Solutions Studied by Two-dimensional Nuclear Overhauser Enhancement Spectroscopy

1.
State Key Laboratory of Mangnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071;
2.
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101

Received Date: 25 June 2001

Fund Project: Financial support by the National Key Basic Research Development Program "Fundamental Studies of the Extensively Enhanced Petroleum Recovery" (Project Grant number G 19990225) and by NNSFC (29874038) is grateftilly acknowledged.

Two-dimensional nuclear overhauser enhancement (2D NOESY) measurements show that sodium dodecyl sulfonate SDSN molecules co-aggregate with poly-ethylene glycol PEG in their aqueous solution at a concentration range of SDSN between the so-called co-aggregation concentration (cac) and the normal critical micellar concentration (cmc). SDSN micelles are formed when the cmc of SDSN is reached with PEG uniformly distributed in the interior.
- 2D NOESY,
- sodium dodecyl sulfonate,
- poly-ethylene glycol,
- aggregation
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