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Träfflista för sökning "WFRF:(Oradd G) srt2:(2000-2004)"

Sökning: WFRF:(Oradd G) > (2000-2004)

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2.
  • Adebahr, J, et al. (författare)
  • Ion and solvent dynamics in gel electrolytes based on ethylene oxide grafted acrylate polymers
  • 2002
  • Ingår i: The Journal of Physical Chemistry Part B. - : The American Chemical Society (ACS). - 1520-5207. ; 106:47, s. 12119-12123
  • Tidskriftsartikel (refereegranskat)abstract
    • Multinuclear pulsed field gradient NMR measurements and theological viscosity measurements were performed on three series of polymer gel electrolytes. The gels were based on a lithium salt electrolyte swollen into a copolymer matrix comprising an acrylate backbone and ethylene oxide side chains. In each series the side chains differed in length and number, but the acrylate-to-ethylene oxide ratio was kept constant. It was found that the self-diffusion coefficient of the cations was much lower than that of the anions, and that it decreased rapidly when the side chains got longer. In contrast, the self-diffusion coefficient of the anions was found to be independent of chain length. In the gel electrolytes, the diffusion coefficients of the solvent molecules are relatively constant despite an increased viscosity with increasing length of the side chains. However, in saltfree gels made for comparison, the diffusion coefficients of the solvent molecules decreased with, increasing length of the side chains, which is consistent with an increased viscosity.
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3.
  • Oradd, G, et al. (författare)
  • Intermediate phases in the system egg lecithin/CTAC/brine. SAXS and NMR studies
  • 2001
  • Ingår i: LANGMUIR. - : AMER CHEMICAL SOC. - 0743-7463. ; 17:11, s. 3227-3234 Language: English
  • Tidskriftsartikel (refereegranskat)abstract
    • The phase behavior and phase structures in the pseudo ternary system egg lecithin (EPC)/ cetyltrimethylammonium chloride/brine (100 mM NaCl) have been investigated by H-2 and P-31 NMR spectroscopy and small-angle X-ray diffraction (SAXS). At solvent conte
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4.
  • Wang, K, et al. (författare)
  • Phase behavior and phase structure of a cationic fluorosurfactant in water
  • 2000
  • Ingår i: LANGMUIR. - : AMER CHEMICAL SOC. - 0743-7463. ; 16:3, s. 1042-1049 Language: English
  • Tidskriftsartikel (refereegranskat)abstract
    • The phase behavior of the cationic fluorocarbon surfactant 1,1,2,2-tetrahydroperfluorodecylpyridinium chloride in water has been studied using small-angle X-ray and H-2 NMR spectroscopy as the main techniques. The following phase sequence was found: micel
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  • Resultat 1-4 av 4

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