Fluorocarbon surfactant/water mesomorphic phases. Part 4.—Study of the distribution of alkyl chain mobilities in the lamellar phase of the sodium 12,12,13,13,14,14,14-heptafluoromyristate/D2O system by 19F and 1H spin echo nuclear magnetic resonance
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 68, 670-675
- https://doi.org/10.1039/f19726800670
Abstract
19 F and 1H spin lattice and spin-spin relaxation times for a lamellar phase sample of the above system indicate that little or no distribution of correlation times for alkyl chain motions exists. The difference between this result and conclusions from e.s.r. spin probe studies is discussed in terms of the ease of internal chain motions as the distance between CH2 groups and the head group increases and differences in molecular structures.Keywords
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