Evidence for activation - Diffusion controlled dynamic surface tension with a nonionic surfactant

Langmuir

Volumn 14, Issue 5, 1998, Pages 979-981

  Eastoe, Julian ^a   Dalton, James S ^a   Rogueda, Philippe G A ^a,c   Griffiths, Peter C ^b  

^a UNIVERSITY OF BRISTOL   (United Kingdom)

^b CARDIFF UNIVERSITY   (United Kingdom)

^c ASTRAZENECA   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ACTIVATION ENERGY; ADSORPTION; DIFFUSION; MICELLES; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; SOLUTIONS; SURFACE ACTIVE AGENTS;

BUBBLE PRESSURE METHOD; NONIONIC SURFACTANT;

SURFACE TENSION;

EID: 0032477988     PISSN: 07437463     EISSN: None     Source Type: Journal    
DOI: 10.1021/la971241w     Document Type: Article

References (21)

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5. -2 by tensiometry using the Gibbs isotherm.
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10. -1/2, respectively. In this range either eq 1 or 3 can be used to test if the adsorption is essentailly diffusion controlled.
11. Ravera, F.; Liggieri, L.; Steinchen, A. J. Colloid Interface Sci. 1993, 156, 109.
12. a/RT) making the activation barrier calculated in this paper, using eq 2, twice as large.
13. Eastoe, J.; Dalton, J.; Rogueda, P.; Sharpe, D.; Dong, J.; Webster, J. R. P. Langmuir 1996, 12, 2706.
14. Lin, S.-Y.; Tsay, R.-Y.; Lin, L.-Y.; Chen, S.-I. Langmuir 1996, 12, 6530.
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19. -1
20. Using the effective diffusion coefficients derived using eq 3 gave the same activation energy but a slightly lower intercept.
21. -2.